New version : 2018.3.4

The following changes fixes a case for me where I hear the sound change levels up and down for each pause un-pause cycle.
Patch provided by daniel.c.wickstrom@gmail.com.

.gitignore

@@ -15,5 +15,3 @@ install_manifest.txt
 build*
 Build
 CMakeLists.txt.user
-3rdparty/expat_2.2.6/
-nbproject

3rdparty/expat/CMakeLists.txt

@@ -1,7 +1,7 @@
 
 configure_file (
     "${PROJECT_SOURCE_DIR}/3rdparty/expat/expat_config_cmake.in"
-    "${PROJECT_BINARY_DIR}/3rdparty/expat/simgear_expat_config.h"
+    "${PROJECT_BINARY_DIR}/3rdparty/expat/expat_config.h"
 )
 
 set(expat_sources 

3rdparty/expat/xmlparse.c

@@ -18,8 +18,6 @@
 #include "amigaconfig.h"
 #elif defined(__WATCOMC__)
 #include "watcomconfig.h"
-#elif defined(HAVE_SIMGEAR_EXPAT_CONFIG_H)
-#include "simgear_expat_config.h"
 #elif defined(HAVE_EXPAT_CONFIG_H)
 #include "expat_config.h"
 #endif /* ndef COMPILED_FROM_DSP */

3rdparty/expat/xmlrole.c

@@ -12,8 +12,6 @@
 #include "amigaconfig.h"
 #elif defined(__WATCOMC__)
 #include "watcomconfig.h"
-#elif defined(HAVE_SIMGEAR_EXPAT_CONFIG_H)
-#include "simgear_expat_config.h"
 #else
 #ifdef HAVE_EXPAT_CONFIG_H
 #include "expat_config.h"

3rdparty/expat/xmltok.c

@@ -12,8 +12,6 @@
 #include "amigaconfig.h"
 #elif defined(__WATCOMC__)
 #include "watcomconfig.h"
-#elif defined(HAVE_SIMGEAR_EXPAT_CONFIG_H)
-#include "simgear_expat_config.h"
 #else
 #ifdef HAVE_EXPAT_CONFIG_H
 #include "expat_config.h"

3rdparty/udns/udns_init.c

@@ -24,7 +24,7 @@
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
 # include <winsock2.h>          /* includes <windows.h> */
 # include <iphlpapi.h>		/* for dns server addresses etc */
 #else
@@ -53,7 +53,7 @@ static void dns_set_srch_internal(struct dns_ctx *ctx, char *srch) {
     dns_add_srch(ctx, srch);
 }
 
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
 
 #ifndef NO_IPHLPAPI
 /* Apparently, some systems does not have proper headers for IPHLPAIP to work.
@@ -217,7 +217,7 @@ int dns_init(struct dns_ctx *ctx, int do_open) {
     ctx = &dns_defctx;
   dns_reset(ctx);
 
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
   if (dns_initns_iphlpapi(ctx) != 0)
     dns_initns_registry(ctx);
   /*XXX WINDOWS: probably good to get default domain and search list too...

3rdparty/udns/udns_resolver.c

@@ -24,7 +24,7 @@
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
 # include <winsock2.h>          /* includes <windows.h> */
 # include <ws2tcpip.h>          /* needed for struct in6_addr */
 #else
@@ -392,7 +392,7 @@ dns_set_tmcbck(struct dns_ctx *ctx, dns_utm_fn *fn, void *data) {
 }
 
 static unsigned dns_nonrandom_32(void) {
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
   FILETIME ft;
   GetSystemTimeAsFileTime(&ft);
   return ft.dwLowDateTime;
@@ -551,7 +551,7 @@ int dns_open(struct dns_ctx *ctx) {
     ctx->dnsc_qstatus = DNS_E_TEMPFAIL;
     return -1;
   }
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
   { unsigned long on = 1;
     if (ioctlsocket(sock, FIONBIO, &on) == SOCKET_ERROR) {
       closesocket(sock);
@@ -991,7 +991,7 @@ again: /* receive the reply */
      * or remote.  On local errors, we should stop, while
      * remote errors should be ignored (for now anyway).
      */
-#if defined(_WINDOWS) || defined(WINDOWS)
+#ifdef WINDOWS
     if (WSAGetLastError() == WSAEWOULDBLOCK)
 #else
     if (errno == EAGAIN)

3rdparty/udns/udns_rr_a.c

@@ -27,7 +27,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <assert.h>
-#if !defined(_WINDOWS) && !defined(WINDOWS)
+#ifndef WINDOWS
 # include <sys/types.h>
 # include <netinet/in.h>
 #endif

CMakeLists.txt

@@ -10,15 +10,6 @@ if(COMMAND cmake_policy)
    if(POLICY CMP0067)
        cmake_policy(SET CMP0067 NEW)
    endif()
-    
-  # OpenGL VND policy : use the old definition for now, until we can audit this
-  if(POLICY CMP0072)
-        cmake_policy(SET CMP0072 OLD)
-  endif()
-
-   if(POLICY CMP0093)
-       cmake_policy(SET CMP0093 NEW)
-   endif()
 endif()
 
 
@@ -49,7 +40,7 @@ set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
 
 # read 'version' file into a variable (stripping any newlines or spaces)
-file(READ simgear-version versionFile)
+file(READ version versionFile)
 string(STRIP ${versionFile} SIMGEAR_VERSION)
 
 project(SimGear VERSION ${SIMGEAR_VERSION} LANGUAGES C CXX)
@@ -143,7 +134,6 @@ if (NOT ENABLE_SIMD AND ENABLE_SIMD_CODE)
 endif()
 
 include (DetectArch)
-include (ExportDebugSymbols)
 
 # until the fstream fix is applied and generally available in OSG,
 # keep the compatability link option as the default
@@ -160,7 +150,7 @@ endif()
 
 
 if (MSVC)
-  GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} DIRECTORY)
+  GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
   if (CMAKE_CL_64)
     SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
   else (CMAKE_CL_64)
@@ -171,11 +161,6 @@ if (MSVC)
   else (EXISTS ${TEST_3RDPARTY_DIR})
     set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
   endif (EXISTS ${TEST_3RDPARTY_DIR})
-
-  # override CMake default RelWithDebInfo flags. This is important to ensure
-  # good performance
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "/Zi /O2 /Ob2 /D NDEBUG")
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO "/Zi /O2 /Ob2 /D NDEBUG")
 else (MSVC)
   set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
 endif (MSVC)
@@ -188,17 +173,15 @@ if (MSVC AND MSVC_3RDPARTY_ROOT)
 
   set( OSG_MSVC "msvc" )
   if (${MSVC_VERSION_MAJOR} EQUAL "19")
-    if (${MSVC_VERSION_MINOR} GREATER_EQUAL "20")
+    if (${MSVC_VERSION_MINOR} EQUAL "00")
-      set( OSG_MSVC ${OSG_MSVC}142 )
-    elseif (${MSVC_VERSION_MINOR} GREATER_EQUAL "10")
-      set( OSG_MSVC ${OSG_MSVC}141 )
-    else ()
       set( OSG_MSVC ${OSG_MSVC}140 )
+    else ()
+      set( OSG_MSVC ${OSG_MSVC}141 )
     endif ()
   elseif (${MSVC_VERSION_MAJOR} EQUAL "18")
     set( OSG_MSVC ${OSG_MSVC}120 )
   else ()
-    message(FATAL_ERROR "Visual Studio 2013 or higher is required")
+    message(FATAL_ERROR "Visual Studio 2013/15/17 is required")
   endif ()
 
   if (CMAKE_CL_64)
@@ -215,7 +198,7 @@ if (MSVC AND MSVC_3RDPARTY_ROOT)
     # if this variable was not set by the user, set it to 3rdparty root's
     # parent dir, which is the normal location for people using our
     # windows-3rd-party repo
-    get_filename_component(MSVC_ROOT_PARENT_DIR ${MSVC_3RDPARTY_ROOT} DIRECTORY)
+    GET_FILENAME_COMPONENT(MSVC_ROOT_PARENT_DIR ${MSVC_3RDPARTY_ROOT} PATH)
     set(BOOST_INCLUDEDIR ${MSVC_ROOT_PARENT_DIR})
     message(STATUS "BOOST_INCLUDEDIR is ${BOOST_INCLUDEDIR}")
   endif()
@@ -233,7 +216,7 @@ if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD
 endif()
 
 find_package(Boost REQUIRED)
-set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION -DBOOST_NO_STDLIB_CONFIG")
+set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
 include(BoostTestTargets)
 
 if(SIMGEAR_HEADLESS)
@@ -288,6 +271,9 @@ if (SYSTEM_EXPAT)
 
 else()
     message(STATUS "Using built-in expat code")
+    # XML_STATIC is important to avoid sg_expat_external.h
+    # declaring symbols as declspec(import)
+    add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
     set(EXPAT_INCLUDE_DIRS
             ${PROJECT_SOURCE_DIR}/3rdparty/expat
             ${PROJECT_BINARY_DIR}/3rdparty/expat)
@@ -306,10 +292,11 @@ endif()
 if(ENABLE_RTI)
     find_package(PkgConfig)
     if(PKG_CONFIG_FOUND)
-      SET(ENV{PKG_CONFIG_PATH} "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/pkgconfig:$ENV{PKG_CONFIG_PATH}")
+      SET(ENV{PKG_CONFIG_PATH} "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig:$ENV{PKG_CONFIG_PATH}")
       pkg_check_modules(RTI hla-rti13)
     endif(PKG_CONFIG_FOUND)
     if(RTI_FOUND)
+      SET(RTI_INCLUDE_DIR "${RTI_INCLUDE_DIRS}")
       message(STATUS "RTI: ENABLED")
     else()
       message(STATUS "RTI: DISABLED")
@@ -423,8 +410,16 @@ if(CMAKE_COMPILER_IS_GNUCXX)
       message(WARNING "GCC 4.4 will be required soon, please upgrade")
     endif()
 
-    if (X86 OR X86_64)
+    if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-        set(SIMD_COMPILER_FLAGS "-msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+      set(CMAKE_C_FLAGS
+        "${CMAKE_C_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline")
+      set(CMAKE_CXX_FLAGS
+        "${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline")
+    elseif (ENABLE_SIMD)
+      if (X86 OR X86_64)
+        set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+        set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+      endif()
     endif()
 
     # certain GCC versions don't provide the atomic builds, and hence
@@ -433,10 +428,6 @@ if(CMAKE_COMPILER_IS_GNUCXX)
     check_cxx_source_compiles(
        "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
         GCC_ATOMIC_BUILTINS_FOUND)
-
-      # override CMake default RelWithDebInfo flags.
-    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG")
-    set(CMAKE_C_FLAGS_RELWITHDEBINFO  "-O3 -g -DNDEBUG")
 endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if (CLANG)
@@ -447,11 +438,17 @@ if (CLANG)
     # fix Boost compilation :(
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
 
-    # override CMake default RelWithDebInfo flags.
+    if (CMAKE_BUILD_TYPE STREQUAL "Debug")
-    set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG")
+      set(CMAKE_C_FLAGS
-    set(CMAKE_C_FLAGS_RELWITHDEBINFO  "-O3 -g -DNDEBUG")
+        "${CMAKE_C_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions")
-
+      set(CMAKE_CXX_FLAGS
-    set(SIMD_COMPILER_FLAGS "-msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+        "${CMAKE_CXX_FLAGS} -O0 -fno-omit-frame-pointer -fno-inline-functions")
+    elseif (ENABLE_SIMD)
+      if (X86 OR X86_64)
+        set(CMAKE_C_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+        set(CMAKE_CXX_FLAGS_RELEASE "-O3 -msse2 -mfpmath=sse -ftree-vectorize -ftree-slp-vectorize")
+      endif()
+    endif()
 endif()
 
 if (ENABLE_OPENMP)
@@ -483,8 +480,14 @@ if(WIN32)
 
     if(MSVC)
         set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /MP")
-        if (X86)
+        if(ENABLE_SIMD)
-          set(SIMD_COMPILER_FLAGS "/arch:SSE /arch:SSE2")
+          if (X86)
+            SET(CMAKE_C_FLAGS_RELEASE "/O2 /arch:SSE /arch:SSE2")
+            SET(CMAKE_CXX_FLAGS_RELEASE "/O2 /arch:SSE /arch:SSE2")
+          else()
+            SET(CMAKE_C_FLAGS_RELEASE "/O2")
+            SET(CMAKE_CXX_FLAGS_RELEASE "/O2")
+          endif()
         endif()
 
         if (NOT OSG_FSTREAM_EXPORT_FIXED)
@@ -508,20 +511,6 @@ if(WIN32)
     set( RT_LIBRARY "winmm" )
 endif(WIN32)
 
-# append the SIMD flags if requested
-if (ENABLE_SIMD)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SIMD_COMPILER_FLAGS}")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SIMD_COMPILER_FLAGS}")
-
-  # set for multi-configuration generators
-  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${SIMD_COMPILER_FLAGS}")
-  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${SIMD_COMPILER_FLAGS}")
-
-  set(CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO} ${SIMD_COMPILER_FLAGS}")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} ${SIMD_COMPILER_FLAGS}")
-endif()
-
-
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
@@ -532,10 +521,6 @@ include(CheckCXXFeatures)
 # ahead of system-installed libs
 include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
 
-if(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")
-    include_directories("/usr/X11R6/include")
-endif()
-
 add_definitions(-DHAVE_CONFIG_H)
 
 # configure a header file to pass some of the CMake settings

CMakeModules/BoostTestTargets.cmake

@@ -46,17 +46,11 @@ set(BOOST_TEST_TARGET_PREFIX "test")
 if(NOT Boost_FOUND)
 	find_package(Boost 1.34.0 QUIET)
 endif()
-
+if("${Boost_VERSION}0" LESS "1034000")
-if (NOT Boost_VERSION_MACRO)
-	# Compatibility with pre CMP0093 (CMake 3.15)
-	set(Boost_VERSION_MACRO ${Boost_VERSION})
-endif()
-
-if("${Boost_VERSION_MACRO}0" LESS "1034000")
 	set(_shared_msg
 		"NOTE: boost::test-based targets and tests cannot "
 		"be added: boost >= 1.34.0 required but not found. "
-		"(found: '${Boost_VERSION_MACRO}'; want >=103400) ")
+		"(found: '${Boost_VERSION}'; want >=103400) ")
 	if(ENABLE_TESTS)
 		message(FATAL_ERROR
 			${_shared_msg}
@@ -72,7 +66,7 @@ endif()
 include(GetForceIncludeDefinitions)
 include(CopyResourcesToBuildTree)
 
-if(Boost_FOUND AND NOT "${Boost_VERSION_MACRO}0" LESS "1034000")
+if(Boost_FOUND AND NOT "${Boost_VERSION}0" LESS "1034000")
 	set(_boosttesttargets_libs)
 	set(_boostConfig "BoostTestTargetsIncluded.h")
 	if(NOT Boost_UNIT_TEST_FRAMEWORK_LIBRARY)
@@ -86,7 +80,7 @@ if(Boost_FOUND AND NOT "${Boost_VERSION_MACRO}0" LESS "1034000")
 			set(_boostConfig "BoostTestTargetsDynamic.h")
 		endif()
 	endif()
-	get_filename_component(_moddir ${CMAKE_CURRENT_LIST_FILE} DIRECTORY)
+	get_filename_component(_moddir ${CMAKE_CURRENT_LIST_FILE} PATH)
 	configure_file("${_moddir}/${_boostConfig}"
 		"${CMAKE_CURRENT_BINARY_DIR}/BoostTestTargetConfig.h"
 		COPYONLY)
@@ -135,7 +129,7 @@ function(add_boost_test _name)
 			"Syntax error in use of add_boost_test: at least one source file required!")
 	endif()
 
-	if(Boost_FOUND AND NOT "${Boost_VERSION_MACRO}0" LESS "1034000")
+	if(Boost_FOUND AND NOT "${Boost_VERSION}0" LESS "1034000")
 
 		include_directories(${Boost_INCLUDE_DIRS})
 
@@ -227,7 +221,7 @@ function(add_boost_test _name)
 			set(_test_command ${_target_name})
 		endif()
 
-		if(TESTS AND ( "${Boost_VERSION_MACRO}" VERSION_GREATER "103799" ))
+		if(TESTS AND ( "${Boost_VERSION}" VERSION_GREATER "103799" ))
 			foreach(_test ${TESTS})
 				add_test(
 					${_name}-${_test}

CMakeModules/CopyResourcesToBuildTree.cmake

@@ -30,12 +30,12 @@ function(copy_resources_to_build_tree _target)
 	endif()
 
 	get_target_property(_path ${_target} LOCATION)
-	get_filename_component(_path "${_path}" DIRECTORY)
+	get_filename_component(_path "${_path}" PATH)
 
 	if(NOT MSVC AND NOT "${CMAKE_GENERATOR}" MATCHES "Makefiles")
 		foreach(_config ${CMAKE_CONFIGURATION_TYPES})
 			get_target_property(_path${_config} ${_target} LOCATION_${_config})
-			get_filename_component(_path${_config} "${_path${_config}}" DIRECTORY)
+			get_filename_component(_path${_config} "${_path${_config}}" PATH)
 			add_custom_command(TARGET ${_target}
 						POST_BUILD
 						COMMAND

CMakeModules/ExportDebugSymbols.cmake

@@ -1,26 +0,0 @@
-
-
-# placehodler target for other ones to depend upon
-add_custom_target(
-    debug_symbols
-)
-
-function(export_debug_symbols target)
-
-    if (NOT SIMGEAR_SHARED)
-        return()
-    endif()
-
-    if (APPLE)
-        add_custom_target(${target}.dSYM
-            COMMENT "Generating dSYM files for ${target}"
-            COMMAND dsymutil --out=${target}.dSYM $<TARGET_FILE:${target}>
-            DEPENDS $<TARGET_FILE:${target}>
-        ) 
-
-        install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/${target}.dSYM DESTINATION symbols OPTIONAL)
-
-        add_dependencies(debug_symbols ${target}.dSYM)
-    endif()
-
-endfunction()

SimGearConfig.cmake.in

@@ -18,16 +18,6 @@ set(USE_AEONWAVE @USE_AEONWAVE@)
 
 set(ENABLE_SIMD @ENABLE_SIMD@)
 
-# OpenRTI support
-set(ENABLE_RTI @ENABLE_RTI@)
-if(ENABLE_RTI)
-  set(RTI_FOUND @RTI_FOUND@)
-  if(RTI_FOUND)
-    set(RTI_INCLUDE_DIRS @RTI_INCLUDE_DIRS@)
-    set(RTI_LDFLAGS @RTI_LDFLAGS@)
-  endif(RTI_FOUND)
-endif(ENABLE_RTI)
-
 # Alternative terrain engine based on pagedLOD
 
 set(ENABLE_GDAL @ENABLE_GDAL@)

simgear-version

@@ -1 +0,0 @@
-2020.2.1

simgear/CMakeLists.txt

@@ -6,7 +6,6 @@ foreach( mylibfolder
         bvh
         debug
         embedded_resources
-        emesary
         ephemeris
         io
         magvar
@@ -65,9 +64,6 @@ if(SIMGEAR_SHARED)
         set_property(TARGET SimGearScene PROPERTY VERSION   ${SIMGEAR_VERSION})
         set_property(TARGET SimGearScene PROPERTY SOVERSION ${SIMGEAR_SOVERSION})
     endif()
-
-    export_debug_symbols(SimGearCore)
-    export_debug_symbols(SimGearScene)
 else()
     message(STATUS "Library building mode: STATIC LIBRARIES")
 
@@ -118,22 +114,11 @@ target_include_directories(SimGearCore BEFORE PUBLIC
     $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
     $<INSTALL_INTERFACE:include>)
 
-# so simgear/simgear_config.h is found
-target_include_directories(SimGearCore BEFORE PUBLIC
-    $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>
-    $<INSTALL_INTERFACE:include>)
-
 target_include_directories(SimGearCore PUBLIC
   ${Boost_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR})
 target_include_directories(SimGearCore PRIVATE
   ${EXPAT_INCLUDE_DIRS} ${CURL_INCLUDE_DIRS})
 
-if (NOT SYSTEM_EXPAT)
-    # XML_STATIC is important to avoid sg_expat_external.h
-    # declaring symbols as declspec(import)
-    target_compile_definitions(SimGearCore PRIVATE HAVE_SIMGEAR_EXPAT_CONFIG_H XML_STATIC)
-endif()
-
     install(TARGETS SimGearCore
             EXPORT SimGearTargets
             LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -158,10 +143,9 @@ if (NOT SIMGEAR_HEADLESS)
     endif()
 endif()
 
-# we expose ZLib in some of our headers
-target_link_libraries(SimGearCore PUBLIC ${ZLIB_LIBRARY})
 
-target_link_libraries(SimGearCore PRIVATE
+target_link_libraries(SimGearCore
+    ${ZLIB_LIBRARY}
     ${RT_LIBRARY}
     ${DL_LIBRARY}
     ${CMAKE_THREAD_LIBS_INIT}
@@ -170,29 +154,29 @@ target_link_libraries(SimGearCore PRIVATE
     ${WINSOCK_LIBRARY})
 
 if(SYSTEM_EXPAT)
-    target_link_libraries(SimGearCore PRIVATE ${EXPAT_LIBRARIES})
+    target_link_libraries(SimGearCore
+        ${EXPAT_LIBRARIES})
 endif()
 
 if(ENABLE_DNS AND SYSTEM_UDNS)
-    target_link_libraries(SimGearCore PRIVATE ${UDNS_LIBRARIES})
+    target_link_libraries(SimGearCore
+        ${UDNS_LIBRARIES})
 endif()
 
 if(NOT SIMGEAR_HEADLESS)
     target_include_directories(SimGearScene PRIVATE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
 
-    target_link_libraries(SimGearScene PUBLIC         
+    target_link_libraries(SimGearScene
         SimGearCore
-        ${OPENSCENEGRAPH_LIBRARIES}
-    )
-
-    target_link_libraries(SimGearScene PRIVATE
         ${ZLIB_LIBRARY}
+        ${OPENSCENEGRAPH_LIBRARIES}
         ${OPENAL_LIBRARY}
         ${OPENGL_LIBRARY}
         ${JPEG_LIBRARY})
 
     if(ENABLE_GDAL)
-        target_link_libraries(SimGearScene PRIVATE ${GDAL_LIBRARIES})
+        target_link_libraries(SimGearScene
+            ${GDAL_LIBRARIES})
     endif()
 
     # only actually needed by canvas/KeyboardEvent.cxx
@@ -204,5 +188,5 @@ if(ENABLE_RTI)
     set_property(SOURCE hla/RTI13InteractionClass.cxx hla/RTI13ObjectClass.cxx
         hla/RTI13ObjectInstance.cxx hla/RTI13Federate.cxx
         hla/RTI13FederateFactory.cxx
-        APPEND PROPERTY COMPILE_FLAGS "-I${RTI_INCLUDE_DIRS}")
+        APPEND PROPERTY COMPILE_FLAGS "-I${RTI_INCLUDE_DIR}")
 endif(ENABLE_RTI)

simgear/bvh/BVHPager.cxx

@@ -20,9 +20,9 @@
 #include "BVHPager.hxx"
 
 #include <list>
-#include <mutex>
 
 #include <simgear/threads/SGThread.hxx>
+#include <simgear/threads/SGGuard.hxx>
 
 #include "BVHPageNode.hxx"
 #include "BVHPageRequest.hxx"
@@ -37,12 +37,12 @@ struct BVHPager::_PrivateData : protected SGThread {
     struct _LockedQueue {
         void _push(const _Request& request)
         {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
+            SGGuard<SGMutex> scopeLock(_mutex);
             _requestList.push_back(request);
         }
         _Request _pop()
         {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
+            SGGuard<SGMutex> scopeLock(_mutex);
             if (_requestList.empty())
                 return _Request();
             _Request request;
@@ -51,7 +51,7 @@ struct BVHPager::_PrivateData : protected SGThread {
             return request;
         }
     private:
-        std::mutex _mutex;
+        SGMutex _mutex;
         _RequestList _requestList;
     };
     
@@ -62,7 +62,7 @@ struct BVHPager::_PrivateData : protected SGThread {
         }
         void _push(const _Request& request)
         {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
+            SGGuard<SGMutex> scopeLock(_mutex);
             bool needSignal = _requestList.empty();
             _requestList.push_back(request);
             if (needSignal)
@@ -70,7 +70,7 @@ struct BVHPager::_PrivateData : protected SGThread {
         }
         _Request _pop()
         {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
+            SGGuard<SGMutex> scopeLock(_mutex);
             while (_requestList.empty())
                 _waitCondition.wait(_mutex);
             _Request request;
@@ -79,7 +79,7 @@ struct BVHPager::_PrivateData : protected SGThread {
             return request;
         }
     private:
-        std::mutex _mutex;
+        SGMutex _mutex;
         SGWaitCondition _waitCondition;
         _RequestList _requestList;
     };

simgear/canvas/CanvasMgr.hxx

@@ -28,39 +28,42 @@ namespace simgear
 namespace canvas
 {
 
-class CanvasMgr : public PropertyBasedMgr
+  class CanvasMgr:
-{
+    public PropertyBasedMgr
-public:
+  {
-    /**
+    public:
-     * @param node    Root node of branch used to control canvasses
-     */
-    CanvasMgr(SGPropertyNode_ptr node);
 
-    /**
+      /**
-     * Create a new canvas
+       * @param node    Root node of branch used to control canvasses
-     *
+       */
-     * @param name    Name of the new canvas
+      CanvasMgr(SGPropertyNode_ptr node);
-     */
-    CanvasPtr createCanvas(const std::string& name = "");
 
-    /**
+      /**
-     * Get ::Canvas by index
+       * Create a new canvas
-     *
+       *
-     * @param index Index of texture node in /canvas/by-index/
+       * @param name    Name of the new canvas
-     */
+       */
-    CanvasPtr getCanvas(size_t index) const;
+      CanvasPtr createCanvas(const std::string& name = "");
 
-    /**
+      /**
-     * Get ::Canvas by name
+       * Get ::Canvas by index
-     *
+       *
-     * @param name Value of child node "name" in
+       * @param index Index of texture node in /canvas/by-index/
-     *             /canvas/by-index/texture[i]/name
+       */
-     */
+      CanvasPtr getCanvas(size_t index) const;
-    CanvasPtr getCanvas(const std::string& name) const;
 
-protected:
+      /**
-    void elementCreated(PropertyBasedElementPtr element) override;
+       * Get ::Canvas by name
-};
+       *
+       * @param name Value of child node "name" in
+       *             /canvas/by-index/texture[i]/name
+       */
+      CanvasPtr getCanvas(const std::string& name) const;
+
+    protected:
+
+      void elementCreated(PropertyBasedElementPtr element) override;
+  };
 
 } // namespace canvas
 } // namespace simgear

simgear/canvas/CanvasWindow.hxx

@@ -68,8 +68,8 @@ namespace canvas
               Element* parent = 0 );
       virtual ~Window();
 
-      void update(double delta_time_sec) override;
+      virtual void update(double delta_time_sec);
-      void valueChanged(SGPropertyNode* node) override;
+      virtual void valueChanged(SGPropertyNode* node);
 
       const SGVec2<float> getPosition() const;
       const SGRect<float>  getScreenRegion() const;
@@ -84,8 +84,8 @@ namespace canvas
       bool isResizable() const;
       bool isCapturingEvents() const;
 
-      void setVisible(bool visible) override;
+      virtual void setVisible(bool visible);
-      bool isVisible() const override;
+      virtual bool isVisible() const;
 
       /**
        * Moves window on top of all other windows with the same z-index.

simgear/canvas/ODGauge.cxx

@@ -250,16 +250,10 @@ namespace canvas
 
     if( !texture )
     {
-      // It shouldn't be necessary to allocate an image for the
-      // texture that is the target of dynamic rendering, but
-      // otherwise OSG won't construct all the mipmaps for the texture
-      // and dynamic mipmap generation doesn't work.
-      osg::Image* image = new osg::Image;
-      image->allocateImage(_size_x, _size_y, 1, GL_RGBA, GL_UNSIGNED_BYTE);
       texture = new osg::Texture2D;
       texture->setResizeNonPowerOfTwoHint(false);
-      texture->setImage(image);
+      texture->setTextureSize(_size_x, _size_y);
-      texture->setUnRefImageDataAfterApply(true);
+      texture->setInternalFormat(GL_RGBA);
     }
 
     updateSampling();

simgear/canvas/ShivaVG/src/shConfig.h

@@ -31,11 +31,6 @@
     // FreeBSD
     #define VG_API_FREEBSD
 
-#elif defined(__OpenBSD__)
-
-    // FreeBSD
-    #define VG_API_OPENBSD
-
 #else
 
     // Unsupported system

simgear/canvas/ShivaVG/src/shDefs.h

@@ -34,7 +34,7 @@
 #include <math.h>
 #include <float.h>
 
-#if !defined(VG_API_MACOSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(VG_API_MACOSX) && !defined(__FreeBSD__)
 #  include <malloc.h>
 #endif
 
@@ -161,7 +161,7 @@ SHfloat getMaxFloat();
 
 /* OpenGL headers */
 
-#if defined(VG_API_LINUX) || defined(VG_API_FREEBSD) || defined(VG_API_OPENBSD)
+#if defined(VG_API_LINUX) || defined(VG_API_FREEBSD)
     #include <GL/gl.h>
     #include <GL/glx.h>
 #elif defined(VG_API_MACOSX)

simgear/canvas/ShivaVG/src/shPath.c

@@ -1193,7 +1193,7 @@ VG_API_CALL VGboolean vgInterpolatePath(VGPath dstPath, VGPath startPath,
   SHfloat *procData1, *procData2;
   SHint procSegCount1=0, procSegCount2=0;
   SHint procDataCount1=0, procDataCount2=0;
-  SHuint8 *newSegs, *newData=0;
+  SHuint8 *newSegs, *newData;
   void *userData[4];
   SHint segment1, segment2;
   SHint segindex, s,d,i;

simgear/canvas/canvas_fwd.hxx

@@ -26,9 +26,11 @@
 #include <osg/ref_ptr>
 #include <osgText/Font>
 
-#include <functional>
+#include <boost/function.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+
 #include <map>
-#include <memory>
 #include <vector>
 
 namespace simgear
@@ -60,8 +62,8 @@ namespace canvas
 
 #define SG_FWD_DECL(name)\
   class name;\
-  typedef std::shared_ptr<name> name##Ptr;\
+  typedef boost::shared_ptr<name> name##Ptr;\
-  typedef std::weak_ptr<name> name##WeakPtr;
+  typedef boost::weak_ptr<name> name##WeakPtr;
 
   SG_FWD_DECL(Placement)
   SG_FWD_DECL(SystemAdapter)
@@ -83,10 +85,10 @@ namespace canvas
   typedef osg::ref_ptr<osgText::Font> FontPtr;
 
   typedef std::vector<PlacementPtr> Placements;
-  typedef std::function<Placements( SGPropertyNode*,
+  typedef boost::function<Placements( SGPropertyNode*,
-                                    CanvasPtr )> PlacementFactory;
+                                      CanvasPtr )> PlacementFactory;
 
-  typedef std::function<void(const EventPtr&)> EventListener;
+  typedef boost::function<void(const EventPtr&)> EventListener;
 
 } // namespace canvas
 } // namespace simgear

simgear/canvas/elements/CanvasElement.hxx

@@ -29,6 +29,9 @@
 #include <osg/BoundingBox>
 #include <osg/MatrixTransform>
 
+#include <boost/bind.hpp>
+#include <boost/function.hpp>
+
 namespace osg
 {
   class Drawable;
@@ -59,9 +62,9 @@ namespace canvas
           OSGUserData(ElementPtr element);
       };
 
-      typedef std::function<bool(Element&, const SGPropertyNode*)>
+      typedef boost::function<bool(Element&, const SGPropertyNode*)>
               StyleSetterFunc;
-      typedef std::function<void(Element&, const SGPropertyNode*)>
+      typedef boost::function<void(Element&, const SGPropertyNode*)>
               StyleSetterFuncUnchecked;
       struct StyleSetter:
         public SGReferenced
@@ -316,7 +319,7 @@ namespace canvas
       StyleSetter
       addStyle( const std::string& name,
                 const std::string& type,
-                const std::function<void (Derived&, T2)>& setter,
+                const boost::function<void (Derived&, T2)>& setter,
                 bool inheritable = true )
       {
         StyleInfo& style_info = _style_setters[ name ];
@@ -342,10 +345,13 @@ namespace canvas
         if( style->func )
           style = style->next = new StyleSetter;
 
-        style->func = std::bind(&type_match<Derived>::call,
+        style->func = boost::bind
-                                std::placeholders::_1,
+        (
-                                std::placeholders::_2,
+          &type_match<Derived>::call,
-                                bindStyleSetter<T1>(name, setter));
+          _1,
+          _2,
+          bindStyleSetter<T1>(name, setter)
+        );
         return *style;
       }
 
@@ -357,7 +363,7 @@ namespace canvas
       StyleSetter
       addStyle( const std::string& name,
                 const std::string& type,
-                const std::function<void (Derived&, T)>& setter,
+                const boost::function<void (Derived&, T)>& setter,
                 bool inheritable = true )
       {
         return addStyle<T, T>(name, type, setter, inheritable);
@@ -378,7 +384,7 @@ namespace canvas
         (
           name,
           type,
-          std::function<void (Derived&, T)>(setter),
+          boost::function<void (Derived&, T)>(setter),
           inheritable
         );
       }
@@ -399,7 +405,7 @@ namespace canvas
         (
           name,
           type,
-          std::function<void (Derived&, T2)>(setter),
+          boost::function<void (Derived&, T2)>(setter),
           inheritable
         );
       }
@@ -418,7 +424,7 @@ namespace canvas
         (
           name,
           type,
-          std::function<void (Derived&, const std::string&)>(setter),
+          boost::function<void (Derived&, const std::string&)>(setter),
           inheritable
         );
       }
@@ -481,7 +487,7 @@ namespace canvas
       StyleSetter
       addStyle( const std::string& name,
                 const std::string& type,
-                const std::function<void (Other&, T2)>& setter,
+                const boost::function<void (Other&, T2)>& setter,
                 OtherRef Derived::*instance_ref,
                 bool inheritable = true )
       {
@@ -511,7 +517,7 @@ namespace canvas
         (
           name,
           type,
-          std::function<void (Other&, const std::string&)>(setter),
+          boost::function<void (Other&, const std::string&)>(setter),
           instance_ref,
           inheritable
         );
@@ -519,37 +525,44 @@ namespace canvas
 
       template<typename T, class Derived, class Other, class OtherRef>
       static
-      std::function<void (Derived&, T)>
+      boost::function<void (Derived&, T)>
       bindOther( void (Other::*setter)(T), OtherRef Derived::*instance_ref )
       {
-        return std::bind(setter,
+        return boost::bind(setter, boost::bind(instance_ref, _1), _2);
-                         std::bind(instance_ref, std::placeholders::_1),
-                         std::placeholders::_2);
       }
 
       template<typename T, class Derived, class Other, class OtherRef>
       static
-      std::function<void (Derived&, T)>
+      boost::function<void (Derived&, T)>
-      bindOther( const std::function<void (Other&, T)>& setter,
+      bindOther( const boost::function<void (Other&, T)>& setter,
                  OtherRef Derived::*instance_ref )
       {
-        return std::bind(setter,
+        return boost::bind
-                         std::bind(&reference_from_pointer<Other, OtherRef>,
+        (
-                                   std::bind(instance_ref, std::placeholders::_1)),
+          setter,
-                         std::placeholders::_2);
+          boost::bind
+          (
+            &reference_from_pointer<Other, OtherRef>,
+            boost::bind(instance_ref, _1)
+          ),
+          _2
+        );
       }
 
       template<typename T1, typename T2, class Derived>
       static
       StyleSetterFuncUnchecked
       bindStyleSetter( const std::string& name,
-                       const std::function<void (Derived&, T2)>& setter )
+                       const boost::function<void (Derived&, T2)>& setter )
       {
-        return std::bind(setter,
+        return boost::bind
-                         // We will only call setters with Derived instances, so we can safely
+        (
-                         // cast here.
+          setter,
-                         std::bind(&derived_cast<Derived>, std::placeholders::_1),
+          // We will only call setters with Derived instances, so we can safely
-                         std::bind(&getValue<T1>, std::placeholders::_2));
+          // cast here.
+          boost::bind(&derived_cast<Derived>, _1),
+          boost::bind(&getValue<T1>, _2)
+        );
       }
 
       bool isStyleEmpty(const SGPropertyNode* child) const;

simgear/canvas/elements/CanvasImage.cxx

@@ -838,143 +838,5 @@ namespace canvas
     return false;
   }
 
-  void Image::fillRect(const SGRect<int>& rect, const std::string& c)
-  {
-    osg::Vec4 color(1,1,1,1);
-    if(!c.empty() && !parseColor(c, color))
-      return;
-    
-    fillRect(rect, color);
-  }
-
-void fillRow(GLubyte* row, GLuint pixel, GLuint width, GLuint pixelBytes)
-{
-  GLubyte* dst = row;
-  for (GLuint x = 0; x < width; ++x) {
-    memcpy(dst, &pixel, pixelBytes);
-    dst += pixelBytes;
-  }
-}
-
-SGRect<int> intersectRect(const SGRect<int>& a, const SGRect<int>& b)
-{
-  SGVec2<int> m1 = max(a.getMin(), b.getMin());
-  SGVec2<int> m2 = min(a.getMax(), b.getMax());
-  return SGRect<int>(m1, m2);
-}
-
-  void Image::fillRect(const SGRect<int>& rect, const osg::Vec4& color)
-  {
-    osg::ref_ptr<osg::Image> image = _texture->getImage();
-    if (!image) {
-      allocateImage();
-      image = _texture->getImage();
-    }
-      
-      if (image->getDataVariance() != osg::Object::DYNAMIC) {
-          image->setDataVariance(osg::Object::DYNAMIC);
-      }
-      
-    const auto format = image->getInternalTextureFormat();
-    
-    auto clippedRect = intersectRect(rect, SGRect<int>(0, 0, image->s(), image->t()));
-    if ((clippedRect.width() == 0) || (clippedRect.height() == 0)) {
-      return;
-    }
-    
-    GLubyte* rowData = nullptr;
-    size_t rowByteSize = 0;
-    GLuint pixelWidth = clippedRect.width();
-    GLuint pixel = 0;
-    GLuint pixelBytes = 0;
-    
-    switch (format) {
-    case GL_RGBA8:
-    case GL_RGBA:
-        rowByteSize = pixelWidth * 4;
-        rowData = static_cast<GLubyte*>(alloca(rowByteSize));
-        
-        // assume litte-endian, so read out backwards, hence when we memcpy
-        // the data, it ends up in RGBA order
-        pixel = color.asABGR();
-        pixelBytes = 4;
-        fillRow(rowData, pixel, pixelWidth, pixelBytes);
-        break;
-    
-    case GL_RGB8:
-    case GL_RGB:
-        rowByteSize = pixelWidth * 3;
-        rowData = static_cast<GLubyte*>(alloca(rowByteSize));
-        pixel = color.asABGR();
-        pixelBytes = 3;
-        fillRow(rowData, pixel, pixelWidth, pixelBytes);
-        break;
-        
-    default:
-      SG_LOG(SG_IO, SG_WARN, "Image::fillRect: unsupported internal image format:" << format);
-      return;
-    }
-    
-    for (int row=clippedRect.t(); row < clippedRect.b(); ++row) {
-      GLubyte* imageData = image->data(clippedRect.l(), row);
-      memcpy(imageData, rowData, rowByteSize);
-    }
-      
-    image->dirty();
-    auto c = getCanvas().lock();
-    c->enableRendering(true); // force a repaint
-  }
-
-  void Image::setPixel(int x, int y, const std::string& c)
-  {
-    osg::Vec4 color(1,1,1,1);
-    if(!c.empty() && !parseColor(c, color))
-      return;
-    
-    setPixel(x, y, color);
-  }
-
-  void Image::setPixel(int x, int y, const osg::Vec4& color)
-  {
-    osg::ref_ptr<osg::Image> image = _texture->getImage();
-    if (!image) {
-        allocateImage();
-        image = _texture->getImage();
-    }
-     
-    if (image->getDataVariance() != osg::Object::DYNAMIC) {
-      image->setDataVariance(osg::Object::DYNAMIC);
-    }
-      
-    image->setColor(color, x, y);
-  }
-
-    void Image::dirtyPixels()
-    {
-        osg::ref_ptr<osg::Image> image = _texture->getImage();
-        if (!image)
-            return;
-        image->dirty();
-        auto c = getCanvas().lock();
-        c->enableRendering(true); // force a repaint
-    }
-
-  void Image::allocateImage()
-  {
-    osg::Image* image = new osg::Image;
-    // default to RGBA
-    image->allocateImage(_node->getIntValue("size[0]"), _node->getIntValue("size[1]"), 1, GL_RGBA, GL_UNSIGNED_BYTE);
-    image->setInternalTextureFormat(GL_RGBA);
-    _texture->setImage(image);
-  }
-
-
-osg::ref_ptr<osg::Image> Image::getImage() const
-{
-    if (!_texture)
-        return {};
-    return _texture->getImage();
-}
-
 } // namespace canvas
 } // namespace simgear

simgear/canvas/elements/CanvasImage.hxx

@@ -101,28 +101,6 @@ namespace canvas
        */
       void setSourceRect(const SGRect<float>& sourceRect);
 
-      /**
-       * fill the specified rectangle of the image, with an RGB value
-       */
-      void fillRect(const SGRect<int>& rect, const std::string& color);
-      
-      /**
-       * fill the specified rectangle of the image, with an RGB value
-       */
-      void fillRect(const SGRect<int>& rect, const osg::Vec4& color);
-      
-      void setPixel(int x, int y, const std::string& color);
-      
-      void setPixel(int x, int y, const osg::Vec4& color);
-
-      /**
-        * mark the image pixels as modified, so the canvas is re-painted
-       */
-      void dirtyPixels();
-      
-      osg::ref_ptr<osg::Image> getImage() const;
-      
-    //  void setRow(int row, int offset, )
     protected:
       enum ImageAttributes
       {
@@ -147,8 +125,6 @@ namespace canvas
                       HTTP::Request& request,
                       const std::string& type );
 
-      void allocateImage();
-      
       osg::ref_ptr<osg::Texture2D> _texture;
       // TODO optionally forward events to canvas
       CanvasWeakPtr _src_canvas;

simgear/canvas/elements/CanvasText.cxx

@@ -53,31 +53,26 @@ namespace canvas
       TextLine lineAt(size_t i) const;
 
       /// Get nearest line to given y-coordinate
-#if OSG_VERSION_LESS_THAN(3,6,5)
       TextLine nearestLine(float pos_y) const;
-      SGVec2i sizeForWidth(int w) const;
-#else
-      TextLine nearestLine(float pos_y);
-      SGVec2i sizeForWidth(int w);
-#endif
 
+
+      SGVec2i sizeForWidth(int w) const;
+
+      osg::BoundingBox
 #if OSG_VERSION_LESS_THAN(3,3,2)
-      osg::BoundingBox computeBound() const override;
+      computeBound()
 #else
-      osg::BoundingBox computeBoundingBox() const override;
+      computeBoundingBox()
 #endif
+      const override;
 
     protected:
       friend class TextLine;
 
       canvas::Text *_text_element;
 
-#if OSG_VERSION_LESS_THAN(3,5,6)
+      void computePositions(unsigned int contextID) const override;
-     void computePositions(unsigned int contextID) const override;
+  };
-#else
-     void computePositionsImplementation() override;
-#endif
-};
 
   class TextLine
   {
@@ -127,7 +122,6 @@ namespace canvas
 
     _quads = &text->_textureGlyphQuadMap.begin()->second;
 
-#if OSG_VERSION_LESS_THAN(3,5,6)
     GlyphQuads::LineNumbers const& line_numbers = _quads->_lineNumbers;
     GlyphQuads::LineNumbers::const_iterator begin_it =
       std::lower_bound(line_numbers.begin(), line_numbers.end(), _line);
@@ -139,9 +133,6 @@ namespace canvas
     _begin = begin_it - line_numbers.begin();
     _end = std::upper_bound(begin_it, line_numbers.end(), _line)
          - line_numbers.begin();
-#else
-  // TODO: Need 3.5.6 version of this
-#endif
   }
 
   //----------------------------------------------------------------------------
@@ -170,40 +161,34 @@ namespace canvas
 
     if( empty() )
       return pos;
-
-#if OSG_VERSION_GREATER_OR_EQUAL(3,5,6)
-    // TODO: need 3.5.6 version of this.
-#else
 #if OSG_VERSION_LESS_THAN(3,3,5)
-      GlyphQuads::Coords2 const& coords = _quads->_coords;
+    GlyphQuads::Coords2 const& coords = _quads->_coords;
 #else
-      GlyphQuads::Coords2 refCoords = _quads->_coords;
+    GlyphQuads::Coords2 refCoords = _quads->_coords;
-      GlyphQuads::Coords2::element_type &coords = *refCoords.get();
+    GlyphQuads::Coords2::element_type &coords = *refCoords.get();
 #endif
+    size_t global_i = _begin + i;
 
-      size_t global_i = _begin + i;
+    if( global_i == _begin )
+      // before first character of line
+      pos.x() = coords[_begin * 4].x();
+    else if( global_i == _end )
+      // After Last character of line
+      pos.x() = coords[(_end - 1) * 4 + 2].x();
+    else
+    {
+      float prev_l = coords[(global_i - 1) * 4].x(),
+            prev_r = coords[(global_i - 1) * 4 + 2].x(),
+            cur_l = coords[global_i * 4].x();
 
-      if (global_i == _begin)
+      if( prev_l == prev_r )
-          // before first character of line
+        // If previous character width is zero set to begin of next character
-          pos.x() = coords[_begin * 4].x();
+        // (Happens eg. with spaces)
-      else if (global_i == _end)
+        pos.x() = cur_l;
-          // After Last character of line
-          pos.x() = coords[(_end - 1) * 4 + 2].x();
       else
-      {
+        // position at center between characters
-          float prev_l = coords[(global_i - 1) * 4].x(),
+        pos.x() = 0.5 * (prev_r + cur_l);
-              prev_r = coords[(global_i - 1) * 4 + 2].x(),
+    }
-              cur_l = coords[global_i * 4].x();
-
-          if (prev_l == prev_r)
-              // If previous character width is zero set to begin of next character
-              // (Happens eg. with spaces)
-              pos.x() = cur_l;
-          else
-              // position at center between characters
-              pos.x() = 0.5 * (prev_r + cur_l);
-      }
-#endif
 
     return pos;
   }
@@ -211,22 +196,17 @@ namespace canvas
   //----------------------------------------------------------------------------
   osg::Vec2 TextLine::nearestCursor(float x) const
   {
-    if (empty())
+    if( empty() )
       return cursorPos(0);
 
-#if OSG_VERSION_GREATER_OR_EQUAL(3,5,6)
+    GlyphQuads::Glyphs const& glyphs = _quads->_glyphs;
-  // TODO: need 3.5.7 version of this.
+    #if OSG_VERSION_LESS_THAN(3,3,5)
-	return cursorPos(0);
-#else
-#if OSG_VERSION_LESS_THAN(3,3,5)
     GlyphQuads::Coords2 const& coords = _quads->_coords;
 #else
     GlyphQuads::Coords2 refCoords = _quads->_coords;
     GlyphQuads::Coords2::element_type &coords = *refCoords.get();
 #endif
 
-    GlyphQuads::Glyphs const& glyphs = _quads->_glyphs;
-
     float const HIT_FRACTION = 0.6;
     float const character_width = _text->getCharacterHeight()
                                 * _text->getCharacterAspectRatio();
@@ -245,7 +225,6 @@ namespace canvas
     }
 
     return cursorPos(i - _begin);
-#endif
   }
 
   //----------------------------------------------------------------------------
@@ -324,16 +303,9 @@ namespace canvas
   }
 
   //----------------------------------------------------------------------------
-#if OSG_VERSION_LESS_THAN(3,6,5)
   TextLine Text::TextOSG::nearestLine(float pos_y) const
   {
     osgText::Font const* font = getActiveFont();
-#else
-  TextLine Text::TextOSG::nearestLine(float pos_y)
-  {
-    auto font = getActiveFont();
-#endif
-
     if( !font || lineCount() <= 0 )
       return TextLine(0, this);
 
@@ -355,21 +327,12 @@ namespace canvas
   // simplified version of osgText::Text::computeGlyphRepresentation() to
   // just calculate the size for a given weight. Glpyh calculations/creating
   // is not necessary for this...
-#if OSG_VERSION_LESS_THAN(3,6,5)
   SGVec2i Text::TextOSG::sizeForWidth(int w) const
-#else
-  SGVec2i Text::TextOSG::sizeForWidth(int w)
-#endif
   {
     if( _text.empty() )
       return SGVec2i(0, 0);
 
-#if OSG_VERSION_LESS_THAN(3,6,5)
     osgText::Font* activefont = const_cast<osgText::Font*>(getActiveFont());
-#else
-    auto activefont = getActiveFont();
-#endif
-
     if( !activefont )
       return SGVec2i(-1, -1);
 
@@ -649,16 +612,19 @@ namespace canvas
   }
 
   //----------------------------------------------------------------------------
+  osg::BoundingBox
 #if OSG_VERSION_LESS_THAN(3,3,2)
-  osg::BoundingBox Text::TextOSG::computeBound() const
+  Text::TextOSG::computeBound()
 #else
-  osg::BoundingBox Text::TextOSG::computeBoundingBox() const
+  Text::TextOSG::computeBoundingBox()
 #endif
+  const
   {
+    osg::BoundingBox bb =
 #if OSG_VERSION_LESS_THAN(3,3,2)
-      osg::BoundingBox bb = osgText::Text::computeBound();
+      osgText::Text::computeBound();
 #else
-      osg::BoundingBox bb = osgText::Text::computeBoundingBox();
+      osgText::Text::computeBoundingBox();
 #endif
 
 #if OSG_VERSION_LESS_THAN(3,1,0)
@@ -674,7 +640,7 @@ namespace canvas
     return bb;
   }
 
-#if OSG_VERSION_LESS_THAN(3,5,6)
+  //----------------------------------------------------------------------------
   void Text::TextOSG::computePositions(unsigned int contextID) const
   {
     if( _textureGlyphQuadMap.empty() || _layout == VERTICAL )
@@ -744,14 +710,6 @@ namespace canvas
     return osgText::Text::computePositions(contextID);
   }
 
-#else
-  void Text::TextOSG::computePositionsImplementation()
-  {
-    TextBase::computePositionsImplementation();
-  }
-#endif
- //----------------------------------------------------------------------------
-
   //----------------------------------------------------------------------------
   const std::string Text::TYPE_NAME = "text";
 

simgear/canvas/layout/BoxLayout.cxx

@@ -73,7 +73,7 @@ namespace canvas
                               int stretch,
                               uint8_t alignment )
   {
-    ItemData item_data = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+    ItemData item_data = {0};
     item_data.layout_item = item;
     item_data.stretch = std::max(0, stretch);
 

simgear/canvas/layout/Layout.cxx

@@ -18,9 +18,6 @@
 
 #include <simgear_config.h>
 #include "Layout.hxx"
-
-#include <algorithm>
-
 #include <simgear/debug/logstream.hxx>
 
 namespace simgear

simgear/canvas/layout/NasalWidget.cxx

@@ -150,7 +150,7 @@ namespace canvas
   //----------------------------------------------------------------------------
   bool NasalWidget::hasHeightForWidth() const
   {
-    return _height_for_width || _min_height_for_width;
+    return !_height_for_width.empty() || !_min_height_for_width.empty();
   }
 
   //----------------------------------------------------------------------------
@@ -186,7 +186,7 @@ namespace canvas
   int NasalWidget::callHeightForWidthFunc( const HeightForWidthFunc& hfw,
                                            int w ) const
   {
-    if( !hfw )
+    if( hfw.empty() )
       return -1;
 
     try
@@ -239,17 +239,17 @@ namespace canvas
   //----------------------------------------------------------------------------
   int NasalWidget::heightForWidthImpl(int w) const
   {
-    return callHeightForWidthFunc( _height_for_width
+    return callHeightForWidthFunc( _height_for_width.empty()
-                                 ? _height_for_width
+                                 ? _min_height_for_width
-                                 : _min_height_for_width, w );
+                                 : _height_for_width, w );
   }
 
   //----------------------------------------------------------------------------
   int NasalWidget::minimumHeightForWidthImpl(int w) const
   {
-    return callHeightForWidthFunc( _min_height_for_width
+    return callHeightForWidthFunc( _min_height_for_width.empty()
-                                 ? _min_height_for_width
+                                 ? _height_for_width
-                                 : _height_for_width, w );
+                                 : _min_height_for_width, w );
   }
 
 

simgear/canvas/layout/NasalWidget.hxx

@@ -40,8 +40,8 @@ namespace canvas
   {
     public:
 
-      typedef std::function<void (nasal::Me, const SGRecti&)> SetGeometryFunc;
+      typedef boost::function<void (nasal::Me, const SGRecti&)> SetGeometryFunc;
-      typedef std::function<int (nasal::Me, int)> HeightForWidthFunc;
+      typedef boost::function<int (nasal::Me, int)> HeightForWidthFunc;
 
       /**
        *

simgear/debug/BufferedLogCallback.cxx

@@ -22,12 +22,13 @@
 #include <simgear_config.h>
 #include <simgear/debug/BufferedLogCallback.hxx>
      
+#include <boost/foreach.hpp>
+     
 #include <simgear/sg_inlines.h>
 #include <simgear/threads/SGThread.hxx>
+#include <simgear/threads/SGGuard.hxx>
 
 #include <cstdlib> // for malloc
-#include <cstring>
-#include <mutex>
      
 namespace simgear
 {
@@ -35,7 +36,7 @@ namespace simgear
 class BufferedLogCallback::BufferedLogCallbackPrivate
 {
 public:
-    std::mutex m_mutex;
+    SGMutex m_mutex;
     vector_cstring m_buffer;
     unsigned int m_stamp;
     unsigned int m_maxLength;
@@ -51,7 +52,7 @@ BufferedLogCallback::BufferedLogCallback(sgDebugClass c, sgDebugPriority p) :
 
 BufferedLogCallback::~BufferedLogCallback()
 {
-    for (auto msg : d->m_buffer) {
+    BOOST_FOREACH(unsigned char* msg, d->m_buffer) {
         free(msg);
     }
 }
@@ -73,7 +74,7 @@ void BufferedLogCallback::operator()(sgDebugClass c, sgDebugPriority p,
         msg = (vector_cstring::value_type) strdup(aMessage.c_str());
     }
     
-    std::lock_guard<std::mutex> g(d->m_mutex);
+    SGGuard<SGMutex> g(d->m_mutex);
     d->m_buffer.push_back(msg);
     d->m_stamp++;
 }
@@ -85,7 +86,7 @@ unsigned int BufferedLogCallback::stamp() const
  
 unsigned int BufferedLogCallback::threadsafeCopy(vector_cstring& aOutput)
 {
-    std::lock_guard<std::mutex> g(d->m_mutex);
+    SGGuard<SGMutex> g(d->m_mutex);
     size_t sz = d->m_buffer.size();
     aOutput.resize(sz);
     memcpy(aOutput.data(), d->m_buffer.data(), sz * sizeof(vector_cstring::value_type));

simgear/debug/BufferedLogCallback.hxx

@@ -26,7 +26,7 @@
 #include <vector>
 #include <memory> // for std::unique_ptr
 
-#include <simgear/debug/LogCallback.hxx>
+#include <simgear/debug/logstream.hxx>
 
 namespace simgear
 {

simgear/debug/CMakeLists.txt

@@ -1,10 +1,7 @@
 
 include (SimGearComponent)
 
-set(HEADERS debug_types.h 
+set(HEADERS debug_types.h logstream.hxx BufferedLogCallback.hxx OsgIoCapture.hxx)
-    logstream.hxx BufferedLogCallback.hxx OsgIoCapture.hxx
+set(SOURCES logstream.cxx BufferedLogCallback.cxx)
-    LogCallback.hxx LogEntry.hxx)
-set(SOURCES logstream.cxx BufferedLogCallback.cxx
-    LogCallback.cxx LogEntry.cxx)
 
 simgear_component(debug debug "${SOURCES}" "${HEADERS}")

simgear/debug/LogCallback.cxx

@@ -1,116 +0,0 @@
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-
-#include <simgear_config.h>
-
-#include "LogCallback.hxx"
-
-using namespace simgear;
-
-LogCallback::LogCallback(sgDebugClass c, sgDebugPriority p) : m_class(c),
-                                                              m_priority(p)
-{
-}
-
-void LogCallback::operator()(sgDebugClass c, sgDebugPriority p,
-                             const char* file, int line, const std::string& aMessage)
-{
-    // override me
-}
-
-bool LogCallback::doProcessEntry(const LogEntry& e)
-{
-    return false;
-}
-
-void LogCallback::processEntry(const LogEntry& e)
-{
-    if (doProcessEntry(e))
-        return; // derived class used the new API
-
-    // call the old API
-    (*this)(e.debugClass, e.debugPriority, e.file, e.line, e.message);
-}
-
-
-bool LogCallback::shouldLog(sgDebugClass c, sgDebugPriority p) const
-{
-    if ((c & m_class) != 0 && p >= m_priority)
-        return true;
-    if (c == SG_OSG) // always have OSG logging as it OSG logging is configured separately.
-        return true;
-    return false;
-}
-
-void LogCallback::setLogLevels(sgDebugClass c, sgDebugPriority p)
-{
-    m_priority = p;
-    m_class = c;
-}
-const char* LogCallback::debugPriorityToString(sgDebugPriority p)
-{
-    switch (p) {
-    case SG_DEV_ALERT:
-    case SG_ALERT:
-        return "ALRT";
-    case SG_BULK: return "BULK";
-    case SG_DEBUG: return "DBUG";
-    case SG_MANDATORY_INFO:
-    case SG_INFO:
-        return "INFO";
-    case SG_POPUP: return "POPU";
-    case SG_DEV_WARN:
-    case SG_WARN:
-        return "WARN";
-
-    default: return "UNKN";
-    }
-}
-
-const char* LogCallback::debugClassToString(sgDebugClass c)
-{
-    switch (c) {
-    case SG_NONE: return "none";
-    case SG_TERRAIN: return "terrain";
-    case SG_ASTRO: return "astro";
-    case SG_FLIGHT: return "flight";
-    case SG_INPUT: return "input";
-    case SG_GL: return "opengl";
-    case SG_VIEW: return "view";
-    case SG_COCKPIT: return "cockpit";
-    case SG_GENERAL: return "general";
-    case SG_MATH: return "math";
-    case SG_EVENT: return "event";
-    case SG_AIRCRAFT: return "aircraft";
-    case SG_AUTOPILOT: return "autopilot";
-    case SG_IO: return "io";
-    case SG_CLIPPER: return "clipper";
-    case SG_NETWORK: return "network";
-    case SG_ATC: return "atc";
-    case SG_NASAL: return "nasal";
-    case SG_INSTR: return "instruments";
-    case SG_SYSTEMS: return "systems";
-    case SG_AI: return "ai";
-    case SG_ENVIRONMENT: return "environment";
-    case SG_SOUND: return "sound";
-    case SG_NAVAID: return "navaid";
-    case SG_GUI: return "gui";
-    case SG_TERRASYNC: return "terrasync";
-    case SG_PARTICLES: return "particles";
-    case SG_HEADLESS: return "headless";
-    case SG_OSG: return "OSG";
-    default: return "unknown";
-    }
-}

simgear/debug/LogCallback.hxx

@@ -1,56 +0,0 @@
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-
-#pragma once
-
-#include <string>
-
-#include "LogEntry.hxx"
-#include "debug_types.h"
-
-namespace simgear {
-
-class LogCallback
-{
-public:
-    virtual ~LogCallback() = default;
-
-    // newer API: return true if you handled the message, otherwise
-    // the old API will be called
-    virtual bool doProcessEntry(const LogEntry& e);
-
-    // old API, kept for compatability
-    virtual void operator()(sgDebugClass c, sgDebugPriority p,
-                            const char* file, int line, const std::string& aMessage);
-
-    void setLogLevels(sgDebugClass c, sgDebugPriority p);
-
-    void processEntry(const LogEntry& e);
-
-protected:
-    LogCallback(sgDebugClass c, sgDebugPriority p);
-
-    bool shouldLog(sgDebugClass c, sgDebugPriority p) const;
-
-    static const char* debugClassToString(sgDebugClass c);
-    static const char* debugPriorityToString(sgDebugPriority p);
-
-private:
-    sgDebugClass m_class;
-    sgDebugPriority m_priority;
-};
-
-
-} // namespace simgear

simgear/debug/LogEntry.cxx

@@ -1,45 +0,0 @@
-
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-
-#include <simgear_config.h>
-
-#include "LogEntry.hxx"
-
-#include <cstring> // for strdup
-
-namespace simgear {
-
-LogEntry::~LogEntry()
-{
-    if (freeFilename) {
-        free(const_cast<char*>(file));
-    }
-}
-
-LogEntry::LogEntry(const LogEntry& c) : debugClass(c.debugClass),
-                                        debugPriority(c.debugPriority),
-                                        originalPriority(c.originalPriority),
-                                        file(c.file),
-                                        line(c.line),
-                                        message(c.message),
-                                        freeFilename(c.freeFilename)
-{
-    if (c.freeFilename) {
-        file = strdup(c.file);
-    }
-}
-
-} // namespace simgear

simgear/debug/LogEntry.hxx

@@ -1,54 +0,0 @@
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-//
-
-#pragma once
-
-#include <string>
-
-#include "debug_types.h"
-
-namespace simgear {
-/**
- * storage of a single log entry. This is used to pass log entries from
- * the various threads to the logging thread, and also to store the startup
- * entries
- */
-class LogEntry
-{
-public:
-    LogEntry(sgDebugClass c, sgDebugPriority p,
-             sgDebugPriority op,
-             const char* f, int l, const std::string& msg) : debugClass(c), debugPriority(p), originalPriority(op),
-                                                             file(f), line(l),
-                                                             message(msg)
-    {
-    }
-
-    LogEntry(const LogEntry& c);
-    LogEntry& operator=(const LogEntry& c) = delete;
-
-    ~LogEntry();
-
-    const sgDebugClass debugClass;
-    const sgDebugPriority debugPriority;
-    const sgDebugPriority originalPriority;
-    const char* file;
-    const int line;
-    const std::string message;
-
-    bool freeFilename = false; ///< if true, we own, and therefore need to free, the memory pointed to by 'file'
-};
-
-} // namespace simgear

simgear/debug/OsgIoCapture.hxx

@@ -2,13 +2,14 @@
 
 #include <osg/Notify>
 
-#include <simgear/debug/logstream.hxx>
+using namespace osg;
+
 
 /**
-* merge OSG output into our logging system, so it gets recorded to file,
+ * merge OSG output into our logging system, so it gets recorded to file,
-* and so we can display a GUI console with renderer issues, especially
+ * and so we can display a GUI console with renderer issues, especially
-* shader compilation warnings and errors.
+ * shader compilation warnings and errors.
-*/
+ */
 class NotifyLogger : public osg::NotifyHandler
 {
 public:
@@ -21,33 +22,24 @@ public:
         if (strstr(message, "the final reference count was")) {
             // as this is going to segfault ignore the translation of severity and always output the message.
             SG_LOG(SG_GL, SG_ALERT, message);
-#ifndef DEBUG
+            int* trigger_segfault = 0;
-            throw new std::string(message);
+            *trigger_segfault     = 0;
-            //int* trigger_segfault = 0;
-            //*trigger_segfault     = 0;
-#endif
             return;
         }
-        char*tmessage = strdup(message);
+        SG_LOG(SG_GL, translateSeverity(severity), message);
-        char*lf = strrchr(tmessage, '\n');
-        if (lf)
-            *lf = 0;
-
-        SG_LOG(SG_OSG, translateSeverity(severity), tmessage);
-        free(tmessage);
     }
 
 private:
     sgDebugPriority translateSeverity(osg::NotifySeverity severity) {
         switch (severity) {
-        case osg::ALWAYS:
+            case osg::ALWAYS:
-        case osg::FATAL:      return SG_ALERT;
+            case osg::FATAL:      return SG_ALERT;
-        case osg::WARN:       return SG_WARN;
+            case osg::WARN:       return SG_WARN;
-        case osg::NOTICE:
+            case osg::NOTICE:
-        case osg::INFO:       return SG_INFO;
+            case osg::INFO:       return SG_INFO;
-        case osg::DEBUG_FP:
+            case osg::DEBUG_FP:
-        case osg::DEBUG_INFO: return SG_DEBUG;
+            case osg::DEBUG_INFO: return SG_DEBUG;
-        default:              return SG_ALERT;
+            default:              return SG_ALERT;
         }
     }
 };

simgear/debug/debug_types.h

@@ -1,5 +1,3 @@
-#pragma once
-
 /** \file debug_types.h
  *  Define the various logging classes and priorities
  */
@@ -37,10 +35,7 @@ typedef enum {
     SG_TERRASYNC   = 0x01000000,
     SG_PARTICLES   = 0x02000000,
     SG_HEADLESS    = 0x04000000,
-    // SG_OSG (OSG notify) - will always be displayed regardless of FG log settings as OSG log level is configured 
+    SG_UNDEFD      = 0x08000000, // For range checking
-    // separately and thus it makes more sense to allow these message through.
-    SG_OSG         = 0x08000000,
-    SG_UNDEFD      = 0x10000000, // For range checking
 
     SG_ALL         = 0xFFFFFFFF
 } sgDebugClass;
@@ -54,17 +49,16 @@ typedef enum {
  * appended, or the priority Nasal reports to compiled code will change.
  */
 typedef enum {
-    SG_BULK = 1, // For frequent messages
+    SG_BULK = 1,       // For frequent messages
-    SG_DEBUG,    // Less frequent debug type messages
+    SG_DEBUG,          // Less frequent debug type messages
-    SG_INFO,     // Informatory messages
+    SG_INFO,           // Informatory messages
-    SG_WARN,     // Possible impending problem
+    SG_WARN,           // Possible impending problem
-    SG_ALERT,    // Very possible impending problem
+    SG_ALERT,          // Very possible impending problem
-    SG_POPUP,    // Severe enough to alert using a pop-up window
+    SG_POPUP,          // Severe enough to alert using a pop-up window
     // SG_EXIT,        // Problem (no core)
     // SG_ABORT        // Abandon ship (core)
 
-    SG_DEV_WARN,  // Warning for developers, translated to other priority
+    SG_DEV_WARN,       // Warning for developers, translated to other priority
-    SG_DEV_ALERT, // Alert for developers, translated
+    SG_DEV_ALERT       // Alert for developers, translated
-
-    SG_MANDATORY_INFO // information, but should always be shown
 } sgDebugPriority;
+

simgear/debug/logstream.cxx

@@ -24,22 +24,20 @@
 
 #include "logstream.hxx"
 
-#include <cstring>
 #include <iostream>
 #include <fstream>
 #include <sstream>
 #include <algorithm>
-#include <mutex>
+
+#include <boost/foreach.hpp>
 
 #include <simgear/sg_inlines.h>
 #include <simgear/threads/SGThread.hxx>
 #include <simgear/threads/SGQueue.hxx>
+#include <simgear/threads/SGGuard.hxx>
 
-#include "LogCallback.hxx"
 #include <simgear/io/iostreams/sgstream.hxx>
 #include <simgear/misc/sg_path.hxx>
-#include <simgear/misc/strutils.hxx>
-#include <simgear/timing/timestamp.hxx>
 
 #if defined (SG_WINDOWS)
 // for AllocConsole, OutputDebugString
@@ -48,55 +46,84 @@
     #include <io.h>
 #endif
 
+
+
 //////////////////////////////////////////////////////////////////////////////
 
+namespace simgear
+{
 
+LogCallback::LogCallback(sgDebugClass c, sgDebugPriority p) :
+	m_class(c),
+	m_priority(p)
+{
+}
+
+bool LogCallback::shouldLog(sgDebugClass c, sgDebugPriority p) const
+{
+	 return ((c & m_class) != 0 && p >= m_priority);
+}
+
+void LogCallback::setLogLevels( sgDebugClass c, sgDebugPriority p )
+{
+	m_priority = p;
+	m_class = c;
+}
+
+const char* LogCallback::debugClassToString(sgDebugClass c)
+{
+    switch (c) {
+        case SG_NONE:       return "none";
+        case SG_TERRAIN:    return "terrain";
+        case SG_ASTRO:      return "astro";
+        case SG_FLIGHT:     return "flight";
+        case SG_INPUT:      return "input";
+        case SG_GL:         return "opengl";
+        case SG_VIEW:       return "view";
+        case SG_COCKPIT:    return "cockpit";
+        case SG_GENERAL:    return "general";
+        case SG_MATH:       return "math";
+        case SG_EVENT:      return "event";
+        case SG_AIRCRAFT:   return "aircraft";
+        case SG_AUTOPILOT:  return "autopilot";
+        case SG_IO:         return "io";
+        case SG_CLIPPER:    return "clipper";
+        case SG_NETWORK:    return "network";
+        case SG_ATC:        return "atc";
+        case SG_NASAL:      return "nasal";
+        case SG_INSTR:      return "instruments";
+        case SG_SYSTEMS:    return "systems";
+        case SG_AI:         return "ai";
+        case SG_ENVIRONMENT:return "environment";
+        case SG_SOUND:      return "sound";
+        case SG_NAVAID:     return "navaid";
+        case SG_GUI:        return "gui";
+        case SG_TERRASYNC:  return "terrasync";
+        case SG_PARTICLES:  return "particles";
+        case SG_HEADLESS:   return "headless";
+        default:            return "unknown";
+    }
+}
+
+} // of namespace simgear
+
+//////////////////////////////////////////////////////////////////////////////
 
 class FileLogCallback : public simgear::LogCallback
 {
 public:
-    SGTimeStamp logTimer;
     FileLogCallback(const SGPath& aPath, sgDebugClass c, sgDebugPriority p) :
 	    simgear::LogCallback(c, p)
     {
         m_file.open(aPath, std::ios_base::out | std::ios_base::trunc);
-        logTimer.stamp();
     }
 
-    void operator()(sgDebugClass c, sgDebugPriority p,
+    virtual void operator()(sgDebugClass c, sgDebugPriority p,
-                    const char* file, int line, const std::string& message) override
+        const char* file, int line, const std::string& message)
     {
         if (!shouldLog(c, p)) return;
-
+        m_file << debugClassToString(c) << ":" << (int) p
-
+            << ":" << file << ":" << line << ":" << message << std::endl;
-//        fprintf(stderr, "%7.2f [%.8s]:%-10s %s\n", logTimer.elapsedMSec() / 1000.0, debugPriorityToString(p), debugClassToString(c), aMessage.c_str());
-        m_file
-            << std::fixed
-            << std::setprecision(2)
-            << std::setw(8)
-            << std::right
-            << (logTimer.elapsedMSec() / 1000.0)
-            << std::setw(8)
-            << std::left
-            << " ["+std::string(debugPriorityToString(p))+"]:"
-            << std::setw(10)
-            << std::left
-            << debugClassToString(c)
-            ;
-        if (file) {
-            /* <line> can be -ve to indicate that m_fileLine was false, but we
-            want to show file:line information regardless of m_fileLine. */
-            m_file
-                << file
-                << ":"
-                << abs(line)
-                << ": "
-                ;
-            }
-        m_file
-            << message << std::endl;
-        //m_file << debugClassToString(c) << ":" << (int)p
-        //    << ":" << file << ":" << line << ":" << message << std::endl;
     }
 private:
     sg_ofstream m_file;
@@ -105,12 +132,9 @@ private:
 class StderrLogCallback : public simgear::LogCallback
 {
 public:
-    SGTimeStamp logTimer;
-
     StderrLogCallback(sgDebugClass c, sgDebugPriority p) :
 		simgear::LogCallback(c, p)
     {
-        logTimer.stamp();
     }
 
 #if defined (SG_WINDOWS)
@@ -120,19 +144,12 @@ public:
     }
 #endif
 
-    void operator()(sgDebugClass c, sgDebugPriority p,
+    virtual void operator()(sgDebugClass c, sgDebugPriority p,
-                    const char* file, int line, const std::string& aMessage) override
+        const char* file, int line, const std::string& aMessage)
     {
         if (!shouldLog(c, p)) return;
-        //fprintf(stderr, "%s\n", aMessage.c_str());
 
-        if (file && line > 0) {
+        fprintf(stderr, "%s\n", aMessage.c_str());
-            fprintf(stderr, "%8.2f %s:%i: [%.8s]:%-10s %s\n", logTimer.elapsedMSec()/1000.0, file, line, debugPriorityToString(p), debugClassToString(c), aMessage.c_str());
-        }
-        else {
-            fprintf(stderr, "%8.2f [%.8s]:%-10s %s\n", logTimer.elapsedMSec()/1000.0, debugPriorityToString(p), debugClassToString(c), aMessage.c_str());
-        }
-        //    file, line, aMessage.c_str());
         //fprintf(stderr, "%s:%d:%s:%d:%s\n", debugClassToString(c), p,
         //    file, line, aMessage.c_str());
         fflush(stderr);
@@ -150,8 +167,8 @@ public:
     {
     }
 
-    void operator()(sgDebugClass c, sgDebugPriority p,
+    virtual void operator()(sgDebugClass c, sgDebugPriority p,
-                    const char* file, int line, const std::string& aMessage) override
+        const char* file, int line, const std::string& aMessage)
     {
         if (!shouldLog(c, p)) return;
 
@@ -166,6 +183,28 @@ public:
 class logstream::LogStreamPrivate : public SGThread
 {
 private:
+    /**
+     * storage of a single log entry. This is used to pass log entries from
+     * the various threads to the logging thread, and also to store the startup
+     * entries
+     */
+    class LogEntry
+    {
+    public:
+        LogEntry(sgDebugClass c, sgDebugPriority p,
+            const char* f, int l, const std::string& msg) :
+            debugClass(c), debugPriority(p), file(f), line(l),
+                message(msg)
+        {
+        }
+
+        const sgDebugClass debugClass;
+        const sgDebugPriority debugPriority;
+        const char* file;
+        const int line;
+        const std::string message;
+    };
+
     /**
      * RAII object to pause the logging thread if it's running, and restart it.
      * used to safely make configuration changes.
@@ -289,34 +328,22 @@ public:
 
         m_callbacks.push_back(new StderrLogCallback(m_logClass, m_logPriority));
         m_consoleCallbacks.push_back(m_callbacks.back());
-        
+#if defined (SG_WINDOWS) && !defined(NDEBUG)
-#if defined (SG_WINDOWS)
+		m_callbacks.push_back(new WinDebugLogCallback(m_logClass, m_logPriority));
-        const char* winDebugEnv = ::getenv("SG_WINDEBUG");
+		m_consoleCallbacks.push_back(m_callbacks.back());
-        const bool b = winDebugEnv ? simgear::strutils::to_bool(std::string{winDebugEnv}) : false;
-        if (b) {
-            m_callbacks.push_back(new WinDebugLogCallback(m_logClass, m_logPriority));
-            m_consoleCallbacks.push_back(m_callbacks.back());
-        }
 #endif
     }
 
     ~LogStreamPrivate()
     {
         removeCallbacks();
-
-        // house-keeping, avoid leak warnings if we exit before disabling
-        // startup logging
-        {
-            std::lock_guard<std::mutex> g(m_lock);
-            clearStartupEntriesLocked();
-        }
     }
 
-    std::mutex m_lock;
+    SGMutex m_lock;
-    SGBlockingQueue<simgear::LogEntry> m_entries;
+    SGBlockingQueue<LogEntry> m_entries;
 
     // log entries posted during startup
-    std::vector<simgear::LogEntry> m_startupEntries;
+    std::vector<LogEntry> m_startupEntries;
     bool m_startupLogging = false;
 
     typedef std::vector<simgear::LogCallback*> CallbackVec;
@@ -334,16 +361,13 @@ public:
     bool m_stdout_isRedirectedAlready = false;
 #endif
     bool m_developerMode = false;
-    bool m_fileLine = false;
 
     // test suite mode.
     bool m_testMode = false;
 
-    std::vector<std::string> _popupMessages;
-
     void startLog()
     {
-        std::lock_guard<std::mutex> g(m_lock);
+        SGGuard<SGMutex> g(m_lock);
         if (m_isRunning) return;
         m_isRunning = true;
         start();
@@ -355,54 +379,44 @@ public:
             return;
         }
 
-        {
+        m_startupLogging = on;
-            std::lock_guard<std::mutex> g(m_lock);
-            m_startupLogging = on;
-            clearStartupEntriesLocked();
-        }
-    }
-
-    void clearStartupEntriesLocked()
-    {
         m_startupEntries.clear();
     }
 
-    void run() override
+    virtual void run()
     {
         while (1) {
-            simgear::LogEntry entry(m_entries.pop());
+            LogEntry entry(m_entries.pop());
             // special marker entry detected, terminate the thread since we are
             // making a configuration change or quitting the app
-            if ((entry.debugClass == SG_NONE) && entry.file && !strcmp(entry.file, "done")) {
+            if ((entry.debugClass == SG_NONE) && !strcmp(entry.file, "done")) {
                 return;
             }
-            {
+
-                std::lock_guard<std::mutex> g(m_lock);
+            if (m_startupLogging) {
-                if (m_startupLogging) {
+                // save to the startup list for not-yet-added callbacks to
-                    // save to the startup list for not-yet-added callbacks to
+                // pull down on startup
-                    // pull down on startup
+                m_startupEntries.push_back(entry);
-                    m_startupEntries.push_back(entry);
-                }
             }
+
             // submit to each installed callback in turn
             for (simgear::LogCallback* cb : m_callbacks) {
-                cb->processEntry(entry);
+                (*cb)(entry.debugClass, entry.debugPriority,
+                    entry.file, entry.line, entry.message);
             }
         } // of main thread loop
     }
 
     bool stop()
     {
-        {
+        SGGuard<SGMutex> g(m_lock);
-            std::lock_guard<std::mutex> g(m_lock);
+        if (!m_isRunning) {
-            if (!m_isRunning) {
+            return false;
-                return false;
-            }
-
-            // log a special marker value, which will cause the thread to wakeup,
-            // and then exit
-            log(SG_NONE, SG_ALERT, "done", -1, "", false);
         }
+
+        // log a special marker value, which will cause the thread to wakeup,
+        // and then exit
+        log(SG_NONE, SG_ALERT, "done", -1, "");
         join();
 
         m_isRunning = false;
@@ -416,8 +430,9 @@ public:
 
         // we clear startup entries not using this, so always safe to run
         // this code, container will simply be empty
-        for (const auto& entry : m_startupEntries) {
+        for (auto entry : m_startupEntries) {
-            cb->processEntry(entry);
+            (*cb)(entry.debugClass, entry.debugPriority,
+               entry.file, entry.line, entry.message);
         }
     }
 
@@ -445,9 +460,9 @@ public:
         PauseThread pause(this);
         m_logPriority = p;
         m_logClass = c;
-        for (auto cb : m_consoleCallbacks) {
+		BOOST_FOREACH(simgear::LogCallback* cb, m_consoleCallbacks) {
-            cb->setLogLevels(c, p);
+	        cb->setLogLevels(c, p);
-        }
+		}
     }
 
     bool would_log( sgDebugClass c, sgDebugPriority p ) const
@@ -455,27 +470,16 @@ public:
         // Testing mode, so always log.
         if (m_testMode) return true;
 
-        // SG_OSG (OSG notify) - will always be displayed regardless of FG log settings as OSG log level is configured
-        // separately and thus it makes more sense to allow these message through.
-        if (static_cast<unsigned>(p) == static_cast<unsigned>(SG_OSG)) return true;
-
         p = translatePriority(p);
         if (p >= SG_INFO) return true;
         return ((c & m_logClass) != 0 && p >= m_logPriority);
     }
 
     void log( sgDebugClass c, sgDebugPriority p,
-            const char* fileName, int line, const std::string& msg,
+            const char* fileName, int line, const std::string& msg)
-             bool freeFilename)
     {
-        auto tp = translatePriority(p);
+        p = translatePriority(p);
-        if (!m_fileLine) {
+        LogEntry entry(c, p, fileName, line, msg);
-            /* This prevents output of file:line in StderrLogCallback. */
-            line = -line;
-        }
-
-        simgear::LogEntry entry(c, tp, p, fileName, line, msg);
-        entry.freeFilename = freeFilename;
         m_entries.push(entry);
     }
 
@@ -486,7 +490,7 @@ public:
         }
 
         if (in == SG_DEV_ALERT) {
-            return m_developerMode ? SG_ALERT : SG_WARN;
+            return m_developerMode ? SG_POPUP : SG_WARN;
         }
 
         return in;
@@ -496,7 +500,7 @@ public:
 /////////////////////////////////////////////////////////////////////////////
 
 static std::unique_ptr<logstream> global_logstream;
-static std::mutex global_logStreamLock;
+static SGMutex global_logStreamLock;
 
 logstream::logstream()
 {
@@ -506,8 +510,8 @@ logstream::logstream()
 
 logstream::~logstream()
 {
+    popup_msgs.clear();
     d->stop();
-    d.reset();
 }
 
 void
@@ -521,10 +525,6 @@ void logstream::setDeveloperMode(bool devMode)
     d->m_developerMode = devMode;
 }
 
-void logstream::setFileLine(bool fileLine)
-{
-    d->m_fileLine = fileLine;
-}
 
 void
 logstream::addCallback(simgear::LogCallback* cb)
@@ -542,14 +542,7 @@ void
 logstream::log( sgDebugClass c, sgDebugPriority p,
         const char* fileName, int line, const std::string& msg)
 {
-    d->log(c, p, fileName, line, msg, false);
+    d->log(c, p, fileName, line, msg);
-}
-
-void
-logstream::logCopyingFilename( sgDebugClass c, sgDebugPriority p,
-         const char* fileName, int line, const std::string& msg)
-{
-    d->log(c, p, strdup(fileName), line, msg, true);
 }
 
 
@@ -610,18 +603,17 @@ void logstream::hexdump(sgDebugClass c, sgDebugPriority p, const char* fileName,
 void
 logstream::popup( const std::string& msg)
 {
-    std::lock_guard<std::mutex> g(d->m_lock);
+    popup_msgs.push_back(msg);
-    d->_popupMessages.push_back(msg);
 }
 
 std::string
 logstream::get_popup()
 {
-    std::string rv;
+    std::string rv = "";
-    std::lock_guard<std::mutex> g(d->m_lock);
+    if (!popup_msgs.empty())
-    if (!d->_popupMessages.empty()) {
+    {
-        rv = d->_popupMessages.front();
+        rv = popup_msgs.front();
-        d->_popupMessages.erase(d->_popupMessages.begin());
+        popup_msgs.erase(popup_msgs.begin());
     }
     return rv;
 }
@@ -629,8 +621,7 @@ logstream::get_popup()
 bool
 logstream::has_popup()
 {
-    std::lock_guard<std::mutex> g(d->m_lock);
+    return (popup_msgs.size() > 0) ? true : false;
-    return !d->_popupMessages.empty();
 }
 
 bool
@@ -663,16 +654,6 @@ logstream::set_log_classes( sgDebugClass c)
     d->setLogLevels(c, d->m_logPriority);
 }
 
-sgDebugPriority logstream::priorityFromString(const std::string& s)
-{
-    if (s == "bulk") return SG_BULK;
-    if (s == "debug") return SG_DEBUG;
-    if (s == "info") return SG_INFO;
-    if (s == "warn") return SG_WARN;
-    if (s == "alert") return SG_ALERT;
-
-    throw std::invalid_argument("Couldn't parse log prioirty:" + s);
-}
 
 logstream&
 sglog()
@@ -683,7 +664,7 @@ sglog()
     // http://www.aristeia.com/Papers/DDJ_Jul_Aug_2004_revised.pdf
     // in the absence of portable memory barrier ops in Simgear,
     // let's keep this correct & safe
-    std::lock_guard<std::mutex> g(global_logStreamLock);
+    SGGuard<SGMutex> g(global_logStreamLock);
 
     if( !global_logstream )
         global_logstream.reset(new logstream);
@@ -764,7 +745,7 @@ void requestConsole()
 
 void shutdownLogging()
 {
-    std::lock_guard<std::mutex> g(global_logStreamLock);
+    SGGuard<SGMutex> g(global_logStreamLock);
     global_logstream.reset();
 }
 

simgear/debug/logstream.hxx

@@ -38,7 +38,25 @@ class SGPath;
 namespace simgear
 {
      
-class LogCallback;
+class LogCallback
+{
+public:
+    virtual ~LogCallback() {}
+    virtual void operator()(sgDebugClass c, sgDebugPriority p, 
+        const char* file, int line, const std::string& aMessage) = 0;
+
+	void setLogLevels(sgDebugClass c, sgDebugPriority p);
+protected:
+	LogCallback(sgDebugClass c, sgDebugPriority p);
+
+	bool shouldLog(sgDebugClass c, sgDebugPriority p) const;
+
+    static const char* debugClassToString(sgDebugClass c);
+private:
+	sgDebugClass m_class;
+	sgDebugPriority m_priority;
+};
+
 /**
  * Helper force a console on platforms where it might optional, when
  * we need to show a console. This basically means Windows at the
@@ -86,11 +104,6 @@ public:
     
     sgDebugPriority get_log_priority() const;
 
-    /**
-        @brief convert a string value to a log prioirty.
-        throws std::invalid_argument if the string is not valid
-     */
-    static sgDebugPriority priorityFromString(const std::string& s);
     /**
      * set developer mode on/off. In developer mode, SG_DEV_WARN messags
      * are treated as warnings. In normal (non-developer) mode they are
@@ -98,26 +111,12 @@ public:
      */
     void setDeveloperMode(bool devMode);
 
-    /**
-     * set output of file:line mode on/off. If on, all log messages are
-     * prefixed by the file:line of the caller of SG_LOG().
-     */
-    void setFileLine(bool fileLine);
-
     /**
      * the core logging method
      */
     void log( sgDebugClass c, sgDebugPriority p,
             const char* fileName, int line, const std::string& msg);
 
-    // overload of above, which can transfer ownership of the file-name.
-    // this is unecesary overhead when logging from C++, since __FILE__ points
-    // to constant data, but it's needed when the filename is Nasal data (for
-    // example) since during shutdown the filename is freed by Nasal GC
-    // asynchronously with the logging thread.
-    void logCopyingFilename( sgDebugClass c, sgDebugPriority p,
-             const char* fileName, int line, const std::string& msg);
-    
     /**
     * output formatted hex dump of memory block
     */
@@ -179,6 +178,8 @@ private:
     // constructor
     logstream();
 
+    std::vector<std::string> popup_msgs;
+
     class LogStreamPrivate;
 
     std::unique_ptr<LogStreamPrivate> d;
@@ -202,11 +203,9 @@ logstream& sglog();
     } } while(0)
 #ifdef FG_NDEBUG
 # define SG_LOG(C,P,M)	do { if((P) == SG_POPUP) SG_LOGX(C,P,M) } while(0)
-# define SG_LOG_NAN(C,P,M) SG_LOG(C,P,M)
 # define SG_HEXDUMP(C,P,MEM,LEN)
 #else
 # define SG_LOG(C,P,M)	SG_LOGX(C,P,M)
-# define SG_LOG_NAN(C,P,M) do { SG_LOGX(C,P,M); throw std::overflow_error(M); } while(0)
 # define SG_LOG_HEXDUMP(C,P,MEM,LEN) if(sglog().would_log(C,P)) sglog().hexdump(C, P, __FILE__, __LINE__, MEM, LEN)
 #endif
 

simgear/emesary/CMakeLists.txt

@@ -1,33 +0,0 @@
-
-
-include (SimGearComponent)
-
-set(HEADERS 
-    Emesary.hxx
-    INotification.hxx
-    IReceiver.hxx
-    ITransmitter.hxx
-    ReceiptStatus.hxx
-    Transmitter.hxx
-    notifications.hxx
-    )
-    
-set(SOURCES 
-    Emesary.cxx
-    )
-
-simgear_component(emesary emesary "${SOURCES}" "${HEADERS}")
-
-
-if(ENABLE_TESTS)
-
-add_executable(test_emesary test_emesary.cxx)
-
-set_target_properties(test_emesary PROPERTIES
-  COMPILE_DEFINITIONS "SRC_DIR=\"${CMAKE_CURRENT_SOURCE_DIR}\"" )
-
-target_link_libraries(test_emesary ${TEST_LIBS})
-add_test(emesary ${EXECUTABLE_OUTPUT_PATH}/test_emesary)
-
-
-endif(ENABLE_TESTS)

simgear/emesary/Emesary.cxx

@@ -1,31 +0,0 @@
-/*---------------------------------------------------------------------------
-*
-*	Title                : Emesary - class based inter-object communication
-*
-*	File Type            : Implementation File
-*
-*	Description          : Emesary main.
-*	                     : This only needs to instance the GlobalTransmitter as all of the 
-*	                     : logic is in the header files (by design)
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*	Author               : Richard Harrison (richard@zaretto.com)
-*
-*	Creation Date        : 18 March 2002
-*
-*	Version              : $Header: $
-*
-*  Copyright © 2002 Richard Harrison           All Rights Reserved.
-*
-*---------------------------------------------------------------------------*/
-
-#include "simgear/emesary/Emesary.hxx"
-
-namespace simgear
-{
-    namespace Emesary
-    {
-      
-    }
-}

simgear/emesary/Emesary.hxx

@@ -1,48 +0,0 @@
-#ifndef EMESARY_hxx
-#define EMESARY_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - class based inter-object communication
-*
-*  File Type            : Implementation File
-*
-*  Description          : Provides generic inter-object communication. For an object to receive a message it
-*                       : must first register with a Transmitter, such as GlobalTransmitter, and implement the
-*                       : IReceiver interface. That's it.
-*                       : To send a message use a Transmitter with an object. That's all there is to it.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-#include <typeinfo>
-
-#include "ReceiptStatus.hxx"
-#include "INotification.hxx"
-#include "IReceiver.hxx"
-#include "ITransmitter.hxx"
-#include "Transmitter.hxx"
-#include <simgear/structure/Singleton.hxx>
-
-namespace simgear
-{
-    namespace Emesary
-    {
-        class GlobalTransmitter : public simgear::Singleton<Transmitter>
-        {
-        public:
-            GlobalTransmitter()
-            {
-            }
-            virtual ~GlobalTransmitter() {}
-        };
-    }
-}
-#endif

simgear/emesary/INotification.hxx

@@ -1,54 +0,0 @@
-#ifndef INOTIFICATION_hxx
-#define INOTIFICATION_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - Notification base class
-*
-*  File Type            : Implementation File
-*
-*  Description          : Base class (interface) for all Notifications.
-*                       : This is also compatible with the usual implementation of how we
-*                       : implement queued notifications.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-namespace simgear
-{
-    namespace Emesary
-    {
-        /// Interface (base class) for all notifications. 
-        class INotification
-        {
-        public:
-            // text representation of notification type. must be unique across all notifications
-            virtual const char *GetType() = 0;
-
-            /// Used to control the sending of notifications. If this returns false then the Transmitter 
-            /// should not send this notification.
-            virtual bool IsReadyToSend() { return true; }
-
-            /// Used to control the timeout. If this notification has timed out - then the processor is entitled 
-            /// to true.
-            virtual bool IsTimedOut() { return false; }
-
-            /// when this notification has completed the processing recipient must set this to true.
-            /// the processing recipient is responsible for follow on notifications.
-            /// a notification can remain as complete until the transmit queue decides to remove it from the queue.
-            /// there is no requirement that elements are removed immediately upon completion merely that once complete
-            /// the transmitter should not notify any more elements.
-            /// The current notification loop may be completed - following the usual convention unless Completed or Abort
-            /// is returned as the status.
-            virtual bool IsComplete() { return true; }
-        };
-    }
-}
-#endif

simgear/emesary/IReceiver.hxx

@@ -1,47 +0,0 @@
-#ifndef IRECEIVER_hxx
-#define IRECEIVER_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - Receiver base class
-*
-*  File Type            : Implementation File
-*
-*  Description          : Base class for all recipients.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-namespace simgear
-{
-    namespace Emesary
-    {
-
-        /// Interface (base class) for a recipeint.
-        class IReceiver
-        {
-        public:
-            /// Receive notification - must be implemented
-            virtual ReceiptStatus Receive(INotification& message) = 0;
-
-            /// Called when registered at a transmitter
-            virtual void OnRegisteredAtTransmitter(class Transmitter *p)
-            {
-            }
-
-            /// Called when de-registered at a transmitter
-            virtual void OnDeRegisteredAtTransmitter(class Transmitter *p)
-            {
-            }
-        };
-
-    }
-}
-#endif

simgear/emesary/ITransmitter.hxx

@@ -1,52 +0,0 @@
-#ifndef ITRANSMITTER_hxx
-#define ITRANSMITTER_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - Transmitter base class
-*
-*  File Type            : Implementation File
-*
-*  Description          : Base class for all transmitters.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-
-namespace simgear
-{
-    namespace Emesary
-    {
-        /// Interface (base clasee) for a transmitter.
-        ///  Transmits Message derived objects. Each instance of this class provides a
-        ///  event/databus to which any number of receivers can attach to.
-        class ITransmitter
-        {
-        public:
-            // Registers a recipient to receive message from this transmitter
-            virtual void Register(IReceiver& R) = 0;
-            // Removes a recipient from from this transmitter
-            virtual void DeRegister(IReceiver& R) = 0;
-
-
-            //Notify all registered recipients. Stop when receipt status of abort or finished are received.
-            //The receipt status from this method will be
-            // - OK > message handled
-            // - Fail > message not handled. A status of Abort from a recipient will result in our status
-            //          being fail as Abort means that the message was not and cannot be handled, and
-            //          allows for usages such as access controls.
-            virtual ReceiptStatus NotifyAll(INotification& M) = 0;
-
-            /// number of recipients
-            virtual int Count() = 0;
-        };
-    }
-}
-#endif

simgear/emesary/ReceiptStatus.hxx

@@ -1,54 +0,0 @@
-#ifndef RECEIPTSTATUS_hxx
-#define RECEIPTSTATUS_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - Transmitter base class
-*
-*  File Type            : Implementation File
-*
-*  Description          : Defines the receipt status that can be returned from 
-*                       : a receive method.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-namespace simgear
-{
-    namespace Emesary
-    {
-        enum ReceiptStatus
-        {
-            /// Processing completed successfully
-            ReceiptStatusOK = 0,
-
-            /// Individual item failure
-            ReceiptStatusFail = 1,
-
-            /// Fatal error; stop processing any further recipieints of this message. Implicitly fail
-            ReceiptStatusAbort = 2,
-
-            /// Definitive completion - do not send message to any further recipieints
-            ReceiptStatusFinished = 3,
-
-            /// Return value when method doesn't process a message.
-            ReceiptStatusNotProcessed = 4,
-
-            /// Message has been sent but the return status cannot be determined as it has not been processed by the recipient. 
-            /// e.g. a queue or outgoing bridge
-            ReceiptStatusPending = 5,
-
-            /// Message has been definitively handled but the return value cannot be determined. The message will not be sent any further
-            /// e.g. a point to point forwarding bridge
-            ReceiptStatusPendingFinished = 6,
-        };
-    }
-}
-#endif

simgear/emesary/Transmitter.hxx

@@ -1,203 +0,0 @@
-#ifndef TRANSMITTER_hxx
-#define TRANSMITTER_hxx
-/*---------------------------------------------------------------------------
-*
-*  Title                : Emesary - Transmitter base class
-*
-*  File Type            : Implementation File
-*
-*  Description          : Defines the receipt status that can be returned from
-*                       : a receive method.
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*  Author               : Richard Harrison (richard@zaretto.com)
-*
-*  Creation Date        : 18 March 2002, rewrite 2017, simgear version 2019
-*
-*  Version              : $Header: $
-*
-*  Copyright (C)2019 Richard Harrison            Licenced under GPL2 or later.
-*
-*---------------------------------------------------------------------------*/
-
-#include <algorithm>
-#include <string>
-#include <list>
-#include <set>
-#include <vector>
-#include <atomic>
-#include <mutex>
-
-namespace simgear
-{
-    namespace Emesary
-    {
-        // Implementation of a ITransmitter
-        class Transmitter : public ITransmitter
-        {
-        protected:
-            typedef std::list<IReceiver *> RecipientList;
-            RecipientList recipient_list;
-            RecipientList deleted_recipients;
-            int CurrentRecipientIndex = 0;
-            std::mutex _lock;
-            std::atomic<int> receiveDepth;
-            std::atomic<int> sentMessageCount;
-
-            void UnlockList()
-            {
-                _lock.unlock();
-            }
-            void LockList()
-            {
-                _lock.lock();
-            }
-        public:
-            Transmitter() : receiveDepth(0), sentMessageCount(0)
-            {
-            }
-
-            virtual ~Transmitter()
-            {
-            }
-
-            // Registers an object to receive messsages from this transmitter.
-            // This object is added to the top of the list of objects to be notified. This is deliberate as
-            // the sequence of registration and message receipt can influence the way messages are processing
-            // when ReceiptStatus of Abort or Finished are encountered. So it was a deliberate decision that the
-            // most recently registered recipients should process the messages/events first.
-            virtual void Register(IReceiver& r)
-            {
-                LockList();
-                recipient_list.push_back(&r);
-                r.OnRegisteredAtTransmitter(this);
-                if (std::find(deleted_recipients.begin(), deleted_recipients.end(), &r) != deleted_recipients.end())
-                    deleted_recipients.remove(&r);
-
-                UnlockList();
-            }
-
-            //  Removes an object from receving message from this transmitter
-            virtual void DeRegister(IReceiver& R)
-            {
-                LockList();
-                //printf("Remove %x\n", &R);
-                if (recipient_list.size())
-                {
-                    if (std::find(recipient_list.begin(), recipient_list.end(), &R) != recipient_list.end())
-                    {
-                        recipient_list.remove(&R);
-                        R.OnDeRegisteredAtTransmitter(this);
-                        if (std::find(deleted_recipients.begin(), deleted_recipients.end(), &R) == deleted_recipients.end())
-                            deleted_recipients.push_back(&R);
-                    }
-                }
-                UnlockList();
-            }
-
-            // Notify all registered recipients. Stop when receipt status of abort or finished are received.
-            // The receipt status from this method will be
-            //  - OK > message handled
-            //  - Fail > message not handled. A status of Abort from a recipient will result in our status
-            //           being fail as Abort means that the message was not and cannot be handled, and
-            //           allows for usages such as access controls.
-            virtual ReceiptStatus NotifyAll(INotification& M)
-            {
-                ReceiptStatus return_status = ReceiptStatusNotProcessed;
-
-                sentMessageCount++;
-                try
-                {
-                    LockList();
-                    if (receiveDepth == 0)
-                        deleted_recipients.clear();
-                    receiveDepth++;
-                    std::vector<IReceiver*> temp(recipient_list.size());
-                    int idx = 0;
-                    for (RecipientList::iterator i = recipient_list.begin(); i != recipient_list.end(); i++)
-                    {
-                        temp[idx++] = *i;
-                    }
-                    UnlockList();
-                    int tempSize = temp.size();
-                    for (int index = 0; index < tempSize; index++)
-                    {
-                        IReceiver* R = temp[index];
-                        LockList();
-                        if (deleted_recipients.size())
-                        {
-                            if (std::find(deleted_recipients.begin(), deleted_recipients.end(), R) != deleted_recipients.end())
-                            {
-                                UnlockList();
-                                continue;
-                            }
-                        }
-                        UnlockList();
-                        if (R)
-                        {
-                            ReceiptStatus rstat = R->Receive(M);
-                            switch (rstat)
-                            {
-                            case ReceiptStatusFail:
-                                return_status = ReceiptStatusFail;
-                                break;
-                            case ReceiptStatusPending:
-                                return_status = ReceiptStatusPending;
-                                break;
-                            case ReceiptStatusPendingFinished:
-                                return rstat;
-
-                            case ReceiptStatusNotProcessed:
-                                break;
-                            case ReceiptStatusOK:
-                                if (return_status == ReceiptStatusNotProcessed)
-                                    return_status = rstat;
-                                break;
-
-                            case ReceiptStatusAbort:
-                                return ReceiptStatusAbort;
-
-                            case ReceiptStatusFinished:
-                                return ReceiptStatusOK;
-                            }
-                        }
-
-                    }
-                }
-                catch (...)
-                {
-                    throw;
-                    // return_status = ReceiptStatusAbort;
-                }
-                receiveDepth--;
-                return return_status;
-            }
-
-            // number of currently registered recipients
-            virtual int Count()
-            {
-                LockList();
-                return recipient_list.size();
-                UnlockList();
-            }
-
-            // number of sent messages.
-            int SentMessageCount()
-            {
-                return sentMessageCount;
-            }
-
-            // ascertain if a receipt status can be interpreted as failure.
-            static bool Failed(ReceiptStatus receiptStatus)
-            {
-                //
-                // failed is either Fail or Abort.
-                // NotProcessed isn't a failure because it hasn't been processed.
-                return receiptStatus == ReceiptStatusFail
-                    || receiptStatus == ReceiptStatusAbort;
-            }
-        };
-    }
-}
-#endif

simgear/emesary/notifications.hxx

@@ -1,68 +0,0 @@
-#ifndef NOTIFICATIONS_hxx
-#define NOTIFICATIONS_hxx
-/*---------------------------------------------------------------------------
-*
-*	Title                : Emesary - class based inter-object communication
-*
-*	File Type            : Implementation File
-*
-*	Description          : simgear notifications
-*
-*  References           : http://www.chateau-logic.com/content/class-based-inter-object-communication
-*
-*	Author               : Richard Harrison (richard@zaretto.com)
-*
-*	Creation Date        : 18 March 2002, rewrite 2017
-*
-*	Version              : $Header: $
-*
-*  Copyright � 2002 - 2017 Richard Harrison           All Rights Reserved.
-*
-*---------------------------------------------------------------------------*/
-
-#include "INotification.hxx"
-
-namespace simgear
-{
-    namespace Notifications
-    {
-        class MainLoopNotification : public simgear::Emesary::INotification
-        {
-        public:
-            enum Type { Started, Stopped, Begin, End };
-            MainLoopNotification(Type v) : _type(v) {}
-
-            virtual Type GetValue() { return _type; }
-            virtual const char *GetType() { return "MainLoop"; }
-
-        protected:
-            Type _type;
-        };
-
-        class NasalGarbageCollectionConfigurationNotification : public simgear::Emesary::INotification
-        {
-        public:
-            NasalGarbageCollectionConfigurationNotification(bool canWait, bool active) : CanWait(canWait), Active(active) {}
-
-            virtual bool GetCanWait() { return CanWait; }
-            virtual bool GetActive() { return Active; }
-            virtual const char *GetType() { return "NasalGarbageCollectionConfiguration"; }
-            virtual bool SetWait(bool wait) {
-                if (wait == CanWait)
-                    return false;
-                CanWait = wait;
-                return true;
-            }
-            virtual bool SetActive(bool active) {
-                if (active == Active)
-                    return false;
-                Active = active;
-                return true;
-            }
-        public:
-            bool CanWait;
-            bool Active;
-        };
-    }
-}
-#endif

simgear/emesary/test_emesary.cxx

@@ -1,130 +0,0 @@
-////////////////////////////////////////////////////////////////////////
-// Test harness for Emesary.
-////////////////////////////////////////////////////////////////////////
-
-#include <simgear_config.h>
-#include <simgear/compiler.h>
-
-#include <iostream>
-
-#include <simgear/threads/SGThread.hxx>
-#include <simgear/emesary/Emesary.hxx>
-
-using std::cout;
-using std::cerr;
-using std::endl;
-
-std::atomic<int> nthread {0};
-std::atomic<int> noperations {0};
-const int MaxIterations = 9999;
-
-class TestThreadNotification : public simgear::Emesary::INotification
-{
-protected:
-    const char *baseValue;
-public:
-    TestThreadNotification(const char *v) : baseValue(v) {}
-
-    virtual const char* GetType () { return baseValue; }
-};
-
-class TestThreadRecipient : public simgear::Emesary::IReceiver
-{
-public:
-    TestThreadRecipient() : receiveCount(0)
-    {
-    }
-
-    std::atomic<int> receiveCount;
-
-    virtual simgear::Emesary::ReceiptStatus Receive(simgear::Emesary::INotification &n)
-    {
-        if (n.GetType() == (const char*)this)
-        {
-            // Unused: TestThreadNotification *tn = dynamic_cast<TestThreadNotification *>(&n);
-            receiveCount++;
-
-            TestThreadNotification onwardNotification("AL");
-            simgear::Emesary::GlobalTransmitter::instance()->NotifyAll(onwardNotification);
-            
-            return simgear::Emesary::ReceiptStatusOK;
-        }
-
-        return simgear::Emesary::ReceiptStatusOK;
-    }
-};
-
-class EmesaryTestThread : public SGThread
-{
-protected:
-    virtual void run() {
-        int threadId = nthread.fetch_add(1);
-
-        //System.Threading.Interlocked.Increment(ref nthread);
-        //var rng = new Random();
-        TestThreadRecipient r;
-        char temp[100];
-        sprintf(temp, "Notif %d", threadId);
-        printf("starting thread %s\n", temp);
-        TestThreadNotification tn((const char*)&r);
-        for (int i = 0; i < MaxIterations; i++)
-        {
-            simgear::Emesary::GlobalTransmitter::instance()->Register(r);
-            simgear::Emesary::GlobalTransmitter::instance()->NotifyAll(tn);
-            simgear::Emesary::GlobalTransmitter::instance()->DeRegister(r);
-            //System.Threading.Thread.Sleep(rng.Next(MaxSleep));
-            noperations++;
-        }
-        printf("%s invocations %d\n", temp, (int)r.receiveCount);
-        printf("finish thread %s\n", temp);
-    }
-};
-
-class EmesaryTest
-{
-public:
-
-    void Emesary_MultiThreadTransmitterTest()
-    {
-        int num_threads = 12;
-        std::list<EmesaryTestThread*> threads;
-
-        for (int i = 0; i < num_threads; i++)
-        {
-            EmesaryTestThread *thread = new EmesaryTestThread();
-            threads.push_back(thread);
-            thread->start();
-        }
-        for (std::list<EmesaryTestThread*>::iterator i = threads.begin(); i != threads.end(); i++)
-        {
-            (*i)->join();
-        }
-    }
-};
-
-void testEmesaryThreaded()
-{
-    TestThreadRecipient r;
-    TestThreadNotification tn((const char*)&r);
-    simgear::Emesary::GlobalTransmitter::instance()->Register(r);
-    for (int i = 0; i < MaxIterations*MaxIterations; i++)
-    {
-        simgear::Emesary::GlobalTransmitter::instance()->NotifyAll(tn);
-        //System.Threading.Thread.Sleep(rng.Next(MaxSleep));
-        noperations++;
-    }
-    simgear::Emesary::GlobalTransmitter::instance()->DeRegister(r);
-    printf("invocations %d\n", simgear::Emesary::GlobalTransmitter::instance()->SentMessageCount());
-
-    EmesaryTest t;
-    t.Emesary_MultiThreadTransmitterTest();
-}
-
-
-int main(int ac, char ** av)
-{
-    testEmesaryThreaded();
-
-    std::cout << "all tests passed" << std::endl;
-    return 0;
-}

simgear/environment/metar.cxx

@@ -38,12 +38,9 @@
 #  include <simgear_config.h>
 #endif
 
-#include <iomanip>
 #include <string>
 #include <time.h>
 #include <cstring>
-#include <ostream>
-#include <sstream>
 
 #include <simgear/debug/logstream.hxx>
 #include <simgear/structure/exception.hxx>
@@ -158,320 +155,6 @@ SGMetar::~SGMetar()
 }
 
 
-static const char *azimuthName(double d)
-{
-	const char *dir[] = {
-		"N", "NNE", "NE", "ENE",
-		"E", "ESE", "SE", "SSE",
-		"S", "SSW", "SW", "WSW",
-		"W", "WNW", "NW", "NNW"
-	};
-	d += 11.25;
-	while (d < 0)
-		d += 360;
-	while (d >= 360)
-		d -= 360;
-	return dir[int(d / 22.5)];
-}
-
-
-// round double to 10^g
-static double rnd(double r, int g = 0)
-{
-	double f = pow(10.0, g);
-	return f * floor(r / f + 0.5);
-}
-
-
-/* A manipulator that can use spaces to emulate tab characters. */
-struct Tab
-{
-    /* If <stops> is 0, we simply insert tab characters. Otherwise we insert
-    spaces to align with the next column at multiple of <stops>. */
-    explicit Tab(int stops)
-    :
-    _stops(stops)
-    {}
-    int _stops;
-};
-
-std::ostream& operator << (std::ostream& out, const Tab& t)
-{
-    if (t._stops == 0) {
-        return out << '\t';
-    }
-    
-    std::ostringstream& out2 = *(std::ostringstream*) &out;
-    std::string s = out2.str();
-    
-    if (t._stops < 0) {
-        if (!s.size() || s[s.size()-1] != ' ') {
-            out << ' ';
-        }
-        return out;
-    }
-    
-    auto nl = s.rfind('\n');
-    if (nl < 0) nl = 0;
-    int column = 0;
-    for (auto i = nl+1; i != s.size(); ++i) {
-        if (s[i] == '\t')
-            column = (column + t._stops) / t._stops * t._stops;
-        else
-            column += 1;
-    }
-    int column2 = (column + t._stops) / t._stops * t._stops;
-    for (int i=column; i<column2; ++i) {
-        out << ' ';
-    }
-    return out;
-}
-
-/* Manipulator for SGMetarVisibility using a Tab. */
-struct SGMetarVisibilityManip
-{
-    explicit SGMetarVisibilityManip(const SGMetarVisibility& v, const Tab& tab)
-    :
-    _v(v),
-    _tab(tab)
-    {}
-    const SGMetarVisibility&    _v;
-    const Tab&                  _tab;
-};
-
-std::ostream& operator << (std::ostream& out, const SGMetarVisibilityManip& v)
-{
-	int m = v._v.getModifier();
-	const char *mod;
-	if (m == SGMetarVisibility::GREATER_THAN)
-		mod = ">=";
-	else if (m == SGMetarVisibility::LESS_THAN)
-		mod = "<";
-	else
-		mod = "";
-	out << mod;
-
-	double dist = rnd(v._v.getVisibility_m(), 1);
-	if (dist < 1000.0)
-		out << rnd(dist, 1) << " m";
-	else
-		out << rnd(dist / 1000.0, -1) << " km";
-
-	const char *dir = "";
-	int i;
-	if ((i = v._v.getDirection()) != -1) {
-		dir = azimuthName(i);
-		out << " " << dir;
-	}
-        out << v._tab << v._tab << v._tab << v._tab << v._tab;
-        out << mod << rnd(v._v.getVisibility_sm(), -1) << " US-miles " << dir;
-        return out;
-}
-
-
-std::string SGMetar::getDescription(int tabstops) const
-{
-        std::ostringstream  out;
-	const char *s;
-	char buf[256];
-	double d;
-	int i, lineno;
-        Tab tab(tabstops);
-        
-	if ((i = getReportType()) == SGMetar::AUTO)
-		out << "(METAR automatically generated)\n";
-	else if (i == SGMetar::COR)
-		out << "(METAR manually corrected)\n";
-	else if (i == SGMetar::RTD)
-		out << "(METAR routine delayed)\n";
-        
-	out << "Airport-Id:" << tab << tab << getId() << "\n";
-
-	// date/time
-	int year = getYear();
-	int month = getMonth();
-	out << "Report time:" << tab << tab << year << '/' << month << '/' << getDay();
-	out << ' ' << getHour() << ':';
-	out << std::setw(2) << std::setfill('0') << getMinute() << " UTC\n";
-
-
-	// visibility
-	SGMetarVisibility minvis = getMinVisibility();
-	SGMetarVisibility maxvis = getMaxVisibility();
-	double min = minvis.getVisibility_m();
-	double max = maxvis.getVisibility_m();
-	if (min != NaN) {
-		if (max != NaN) {
-			out << "min. Visibility:" << tab << SGMetarVisibilityManip(minvis, tab) << "\n";
-			out << "max. Visibility:" << tab << SGMetarVisibilityManip(maxvis, tab) << "\n";
-		} else {
-			out << "Visibility:" << tab << tab << SGMetarVisibilityManip(minvis, tab) << "\n";
-                }
-	}
-
-
-	// directed visibility
-	const SGMetarVisibility *dirvis = getDirVisibility();
-	for (i = 0; i < 8; i++, dirvis++)
-		if (dirvis->getVisibility_m() != NaN)
-			out << tab << tab << tab << SGMetarVisibilityManip(*dirvis, tab) << "\n";
-
-
-	// vertical visibility
-	SGMetarVisibility vertvis = getVertVisibility();
-	if ((d = vertvis.getVisibility_ft()) != NaN)
-		out << "Vert. visibility:" << tab << SGMetarVisibilityManip(vertvis, tab) << "\n";
-	else if (vertvis.getModifier() == SGMetarVisibility::NOGO)
-		out << "Vert. visibility:" << tab << "impossible to determine" << "\n";
-
-
-	// wind
-	d = getWindSpeed_kmh();
-	out << "Wind:" << tab << tab << tab;
-	if (d < .1)
-		out << "none" << "\n";
-	else {
-		if ((i = getWindDir()) == -1)
-			out << "from variable directions";
-		else
-			out << "from the " << azimuthName(i) << " (" << i << " deg)";
-		out << " at " << rnd(d, -1) << " km/h";
-
-		out << tab << tab << rnd(getWindSpeed_kt(), -1) << " kt";
-		out << " = " << rnd(getWindSpeed_mph(), -1) << " mph";
-		out << " = " << rnd(getWindSpeed_mps(), -1) << " m/s";
-		out << "\n";
-
-		d = getGustSpeed_kmh();
-                if (d != NaN && d != 0) {
-			out << tab << tab << tab << "with gusts at " << rnd(d, -1) << " km/h";
-			out << tab << tab << tab << rnd(getGustSpeed_kt(), -1) << " kt";
-			out << " = " << rnd(getGustSpeed_mph(), -1) << " mph";
-			out << " = " << rnd(getGustSpeed_mps(), -1) << " m/s";
-			out << "\n";
-		}
-
-		int from = getWindRangeFrom();
-		int to = getWindRangeTo();
-		if (from != to) {
-			out << tab << tab << tab << "variable from " << azimuthName(from);
-			out << " to " << azimuthName(to);
-			out << " (" << from << "deg --" << to << " deg)" << "\n";
-		}
-	}
-
-
-	// temperature/humidity/air pressure
-	if ((d = getTemperature_C()) != NaN) {
-		out << "Temperature:" << tab << tab << d << " C" << tab << tab << tab << tab << tab;
-		out << rnd(getTemperature_F(), -1) << " F" << "\n";
-
-		if ((d = getDewpoint_C()) != NaN) {
-			out << "Dewpoint:" << tab << tab << d << " C" << tab << tab << tab << tab << tab;
-			out << rnd(getDewpoint_F(), -1) << " F"  << "\n";
-			out << "Rel. Humidity: " << tab << tab << rnd(getRelHumidity()) << " %" << "\n";
-		}
-	}
-	if ((d = getPressure_hPa()) != NaN) {
-		out << "Pressure:" << tab << tab << rnd(d) << " hPa" << tab << tab << tab << tab;
-		out << rnd(getPressure_inHg(), -2) << " in. Hg" << "\n";
-	}
-
-
-	// weather phenomena
-	vector<string> wv = getWeather();
-	vector<string>::iterator weather;
-	for (i = 0, weather = wv.begin(); weather != wv.end(); weather++, i++) {
-		out << (i ? ", " : "Weather:") << tab << tab << weather->c_str();
-	}
-	if (i)
-		out << "\n";
-
-
-	// cloud layers
-	const char *coverage_string[5] = {
-		"clear skies", "few clouds", "scattered clouds", "broken clouds", "sky overcast"
-	};
-	vector<SGMetarCloud> cv = getClouds();
-	vector<SGMetarCloud>::iterator cloud;
-	for (lineno = 0, cloud = cv.begin(); cloud != cv.end(); cloud++, lineno++) {
-                if (lineno) out << tab << tab << tab;
-                else    out << "Sky condition:" << tab << tab;
-
-		if ((i = cloud->getCoverage()) != -1)
-			out << coverage_string[i];
-		if ((d = cloud->getAltitude_ft()) != NaN)
-			out << " at " << rnd(d, 1) << " ft";
-		if ((s = cloud->getTypeLongString()))
-			out << " (" << s << ')';
-		if (d != NaN)
-			out << tab << tab << tab << rnd(cloud->getAltitude_m(), 1) << " m";
-		out << "\n";
-	}
-
-
-	// runways
-	map<string, SGMetarRunway> rm = getRunways();
-	map<string, SGMetarRunway>::iterator runway;
-	for (runway = rm.begin(); runway != rm.end(); runway++) {
-		lineno = 0;
-		if (!strcmp(runway->first.c_str(), "ALL"))
-			out << "All runways:" << tab << tab;
-		else
-			out << "Runway " << runway->first << ":" << tab << tab;
-		SGMetarRunway rwy = runway->second;
-
-		// assemble surface string
-		vector<string> surface;
-		if ((s = rwy.getDepositString()) && strlen(s))
-			surface.push_back(s);
-		if ((s = rwy.getExtentString()) && strlen(s))
-			surface.push_back(s);
-		if ((d = rwy.getDepth()) != NaN) {
-			sprintf(buf, "%.1lf mm", d * 1000.0);
-			surface.push_back(buf);
-		}
-		if ((s = rwy.getFrictionString()) && strlen(s))
-			surface.push_back(s);
-		if ((d = rwy.getFriction()) != NaN) {
-			sprintf(buf, "friction: %.2lf", d);
-			surface.push_back(buf);
-		}
-
-		if (! surface.empty()) {
-			vector<string>::iterator rwysurf = surface.begin();
-			for (i = 0; rwysurf != surface.end(); rwysurf++, i++) {
-				if (i)
-					out << ", ";
-				out << *rwysurf;
-			}
-			lineno++;
-		}
-
-		// assemble visibility string
-		SGMetarVisibility minvis = rwy.getMinVisibility();
-		SGMetarVisibility maxvis = rwy.getMaxVisibility();
-		if ((d = minvis.getVisibility_m()) != NaN) {
-			if (lineno++)
-				out << "\n" << tab << tab << tab;
-			out << SGMetarVisibilityManip(minvis, tab);
-		}
-		if (maxvis.getVisibility_m() != d) {
-			out << "\n" << tab << tab << tab << SGMetarVisibilityManip(maxvis, tab) << "\n";
-			lineno++;
-		}
-
-		if (rwy.getWindShear()) {
-			if (lineno++)
-				out << "\n" << tab << tab << tab;
-			out << "critical wind shear" << "\n";
-		}
-		out << "\n";
-	}
-	out << "\n";
-        return out.str();
-}
-
 void SGMetar::useCurrentDate()
 {
 	struct tm now;
@@ -952,8 +635,6 @@ bool SGMetar::scanWeather()
 		weather += string(a->text) + " ";
 		if (!strcmp(a->id, "RA"))
 			_rain = w.intensity;
-		else if (!strcmp(a->id, "DZ"))
-			_rain = LIGHT;
 		else if (!strcmp(a->id, "HA"))
 			_hail = w.intensity;
 		else if (!strcmp(a->id, "SN"))

simgear/environment/metar.hxx

@@ -235,11 +235,6 @@ public:
 	inline const std::vector<std::string>& getWeather()		const	{ return _weather; }
 	inline const std::vector<struct Weather> getWeather2()	const   { return _weather2; }
 
-        /* Returns human-readable description. If tabtops is 0, we use tab
-        characters. If +ve we use spaces to pad to multiple of <tabstops>. If
-        -1 all sequences of tabs are represented by a single space. */
-        std::string     getDescription(int tabstops)   const;
-
 protected:
 	std::string	_url;
 	int	_grpcount;

simgear/environment/precipitation.cxx

@@ -44,10 +44,6 @@ SGPrecipitation::SGPrecipitation() :
 void SGPrecipitation::setEnabled( bool value )
 {
     _enabled = value;
-    if (!_enabled) {
-        _precipitationEffect->snow(0);
-        _precipitationEffect->rain(0);
-    }
 }
 
 void SGPrecipitation::setDropletExternal( bool value )
@@ -68,9 +64,6 @@ bool SGPrecipitation::getEnabled() const
  */
 osg::Group* SGPrecipitation::build(void)
 {
-    if (!_enabled) 
-        return nullptr;
-
     osg::ref_ptr<osg::Group> group = new osg::Group;
 
     _precipitationEffect->snow(0);	
@@ -234,9 +227,6 @@ void SGPrecipitation::setWindProperty(double heading, double speed)
  */
 bool SGPrecipitation::update(void)
 {
-    if (!_enabled)
-        return false;
-
     if (this->_freeze) {
         if (this->_rain_intensity > 0) {
 		this->_snow_intensity = this->_rain_intensity;

simgear/environment/visual_enviro.cxx

@@ -191,11 +191,52 @@ SGEnviro::~SGEnviro(void) {
 
   // OSGFIXME
   return;
+	list_of_lightning::iterator iLightning;
+	for( iLightning = lightnings.begin() ; iLightning != lightnings.end() ; ++iLightning ) {
+		delete (*iLightning);
+	}
+	lightnings.clear();
 }
 
 void SGEnviro::startOfFrame( SGVec3f p, SGVec3f up, double lon, double lat, double alt, double delta_time) {
   // OSGFIXME
   return;
+	view_in_cloud = false;
+	// ask the impostor cache to do some cleanup
+	last_cloud_turbulence = cloud_turbulence;
+	cloud_turbulence = 0.0;
+	elapsed_time += delta_time;
+	min_time_before_lt -= delta_time;
+	dt = delta_time;
+#if 0
+	sgMat4 T1, LON, LAT;
+    sgVec3 axis;
+
+    sgMakeTransMat4( T1, p );
+
+    sgSetVec3( axis, 0.0, 0.0, 1.0 );
+    sgMakeRotMat4( LON, lon, axis );
+
+    sgSetVec3( axis, 0.0, 1.0, 0.0 );
+    sgMakeRotMat4( LAT, 90.0 - lat, axis );
+
+    sgMat4 TRANSFORM;
+
+    sgCopyMat4( TRANSFORM, T1 );
+    sgPreMultMat4( TRANSFORM, LON );
+    sgPreMultMat4( TRANSFORM, LAT );
+
+    sgCoord pos;
+    sgSetCoord( &pos, TRANSFORM );
+
+	sgMakeCoordMat4( transform, &pos );
+  #endif
+    last_lon = lon;
+    last_lat = lat;
+	last_alt = alt;
+
+	radarEcho.clear();
+	precipitation_max_alt = 400.0;
 }
 
 void SGEnviro::endOfFrame(void) {
@@ -250,6 +291,10 @@ void SGEnviro::set_lightning_enable_state(bool enable) {
 void SGEnviro::setLight(SGVec4f adj_fog_color) {
   // OSGFIXME
   return;
+	 fog_color = adj_fog_color;
+	if( false ) {
+	//    ssgGetLight( 0 ) -> setColour( GL_DIFFUSE, l->scene_diffuse() );
+	}
 }
 #if 0
 void SGEnviro::callback_cloud(float heading, float alt, float radius, int family, float dist, int cloudId) {
@@ -386,6 +431,9 @@ void SGEnviro::set_sampleGroup(SGSampleGroup *sgr) {
 void SGEnviro::drawPrecipitation(double rain_norm, double snow_norm, double hail_norm, double pitch, double roll, double heading, double hspeed) {
   // OSGFIXME
   return;
+	if( precipitation_enable_state && rain_norm > 0.0)
+	  if( precipitation_max_alt >= last_alt )
+		drawRain(pitch, roll, heading, hspeed, rain_norm);
 }
 
 
@@ -423,6 +471,10 @@ void SGLightning::lt_Render(void) {
 void SGEnviro::addLightning(double lon, double lat, double alt) {
   // OSGFIXME
   return;
+	if( lightnings.size() > 10)
+		return;
+	SGLightning *lt= new SGLightning(lon, lat, alt);
+	lightnings.push_back(lt);
 }
 
 void SGEnviro::drawLightning(void) {

simgear/ephemeris/ephemeris.cxx

@@ -31,7 +31,7 @@
 
 
 // Constructor
-SGEphemeris::SGEphemeris( const SGPath& path ) {
+SGEphemeris::SGEphemeris( const std::string &path ) {
     our_sun = new Star;
     moon = new MoonPos;
     mercury = new Mercury;
@@ -44,7 +44,7 @@ SGEphemeris::SGEphemeris( const SGPath& path ) {
     nplanets = 7;
     for ( int i = 0; i < nplanets; ++i )
       planets[i] = SGVec3d::zeros();
-    stars = new SGStarData(path);
+    stars = new SGStarData( SGPath(path) );
 }
 
 

simgear/ephemeris/ephemeris.hxx

@@ -97,7 +97,7 @@ public:
      * calling the constructor you need to provide a path pointing to
      * your star database file.
      * @param path path to your star database */
-    SGEphemeris( const SGPath &path );
+    SGEphemeris( const std::string &path );
 
     /** Destructor */
     ~SGEphemeris( void );

simgear/hla/RTIFederateFactoryRegistry.cxx

@@ -19,13 +19,11 @@
 #  include <simgear_config.h>
 #endif
 
-#include <mutex>
-
 #include <simgear/compiler.h>
 
 #include "RTIFederateFactoryRegistry.hxx"
 
-#include "simgear/threads/SGThread.hxx"
+#include "simgear/threads/SGGuard.hxx"
 #include "RTIFederate.hxx"
 
 namespace simgear {
@@ -41,7 +39,7 @@ RTIFederateFactoryRegistry::~RTIFederateFactoryRegistry()
 SGSharedPtr<RTIFederate>
 RTIFederateFactoryRegistry::create(const std::string& name, const std::list<std::string>& stringList) const
 {
-    std::lock_guard<std::mutex> guard(_mutex);
+    SGGuard<SGMutex> guard(_mutex);
     for (FederateFactoryList::const_iterator i = _federateFactoryList.begin(); i != _federateFactoryList.end(); ++i) {
         SGSharedPtr<RTIFederate> federate = (*i)->create(name, stringList);
         if (!federate.valid())
@@ -54,7 +52,7 @@ RTIFederateFactoryRegistry::create(const std::string& name, const std::list<std:
 void
 RTIFederateFactoryRegistry::registerFactory(RTIFederateFactory* factory)
 {
-    std::lock_guard<std::mutex> guard(_mutex);
+    SGGuard<SGMutex> guard(_mutex);
     _federateFactoryList.push_back(factory);
 }
 

simgear/io/HTTPClient.cxx

@@ -33,7 +33,9 @@
 #include <errno.h>
 #include <map>
 #include <stdexcept>
-#include <mutex>
+
+#include <boost/foreach.hpp>
+#include <boost/algorithm/string/case_conv.hpp>
 
 #include <simgear/simgear_config.h>
 
@@ -105,8 +107,6 @@ public:
     unsigned int bytesTransferred;
     unsigned int lastTransferRate;
     uint64_t totalBytesDownloaded;
-
-    SGPath tlsCertificatePath;
 };
 
 Client::Client() :
@@ -122,12 +122,7 @@ Client::Client() :
     d->maxPipelineDepth = 5;
     setUserAgent("SimGear-" SG_STRINGIZE(SIMGEAR_VERSION));
 
-    d->tlsCertificatePath = SGPath::fromEnv("SIMGEAR_TLS_CERT_PATH");
-
     static bool didInitCurlGlobal = false;
-    static std::mutex initMutex;
-
-    std::lock_guard<std::mutex> g(initMutex);
     if (!didInitCurlGlobal) {
       curl_global_init(CURL_GLOBAL_ALL);
       didInitCurlGlobal = true;
@@ -165,14 +160,6 @@ void Client::setMaxPipelineDepth(unsigned int depth)
 #endif
 }
 
-void Client::reset()
-{
-    curl_multi_cleanup(d->curlMulti);
-    d.reset(new ClientPrivate);
-    d->tlsCertificatePath = SGPath::fromEnv("SIMGEAR_TLS_CERT_PATH");
-    d->createCurlMulti();
-}
-
 void Client::update(int waitTimeout)
 {
     if (d->requests.empty()) {
@@ -183,22 +170,32 @@ void Client::update(int waitTimeout)
     }
 
     int remainingActive, messagesInQueue;
-    int numFds;
+#if defined(SG_MAC)
-    CURLMcode mc = curl_multi_wait(d->curlMulti, NULL, 0, waitTimeout, &numFds);
+    // Mac 10.8 libCurl lacks this, let's keep compat for now
-    if (mc != CURLM_OK) {
+    fd_set curlReadFDs, curlWriteFDs, curlErrorFDs;
-        SG_LOG(SG_IO, SG_WARN, "curl_multi_wait failed:" << curl_multi_strerror(mc));
+    int maxFD;
-        return;
+    curl_multi_fdset(d->curlMulti,
+                     &curlReadFDs,
+                     &curlWriteFDs,
+                     &curlErrorFDs,
+                     &maxFD);
+    
+    struct timeval timeout;
+    long t;
+    
+    curl_multi_timeout(d->curlMulti, &t);
+    if ((t < 0) || (t > waitTimeout)) {
+        t = waitTimeout;
     }
     
-    mc = curl_multi_perform(d->curlMulti, &remainingActive);
+    timeout.tv_sec = t / 1000;
-    if (mc == CURLM_CALL_MULTI_PERFORM) {
+    timeout.tv_usec = (t % 1000) * 1000;
-        // we could loop here, but don't want to get blocked
+    ::select(maxFD, &curlReadFDs, &curlWriteFDs, &curlErrorFDs, &timeout);
-        // also this shouldn't  ocurr in any modern libCurl
+#else
-        curl_multi_perform(d->curlMulti, &remainingActive);
+    int numFds;
-    } else if (mc != CURLM_OK) {
+    curl_multi_wait(d->curlMulti, NULL, 0, waitTimeout, &numFds);
-        SG_LOG(SG_IO, SG_WARN, "curl_multi_perform failed:" << curl_multi_strerror(mc));
+#endif
-        return;
+    curl_multi_perform(d->curlMulti, &remainingActive);
-    }
 
     CURLMsg* msg;
     while ((msg = curl_multi_info_read(d->curlMulti, &messagesInQueue))) {
@@ -273,25 +270,11 @@ void Client::makeRequest(const Request_ptr& r)
     curl_easy_setopt(curlRequest, CURLOPT_HEADERFUNCTION, requestHeaderCallback);
     curl_easy_setopt(curlRequest, CURLOPT_HEADERDATA, r.get());
 
-#if !defined(CURL_MAX_READ_SIZE)
-	const int CURL_MAX_READ_SIZE = 512 * 1024;
-#endif
-
-    curl_easy_setopt(curlRequest, CURLOPT_BUFFERSIZE, CURL_MAX_READ_SIZE);
     curl_easy_setopt(curlRequest, CURLOPT_USERAGENT, d->userAgent.c_str());
     curl_easy_setopt(curlRequest, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
 
-    if (sglog().would_log(SG_TERRASYNC, SG_DEBUG)) {
-        curl_easy_setopt(curlRequest, CURLOPT_VERBOSE, 1);
-    }
-
     curl_easy_setopt(curlRequest, CURLOPT_FOLLOWLOCATION, 1);
 
-    if (!d->tlsCertificatePath.isNull()) {
-        const auto utf8 = d->tlsCertificatePath.utf8Str();
-        curl_easy_setopt(curlRequest, CURLOPT_CAINFO, utf8.c_str());
-    }
-
     if (!d->proxy.empty()) {
       curl_easy_setopt(curlRequest, CURLOPT_PROXY, d->proxy.c_str());
       curl_easy_setopt(curlRequest, CURLOPT_PROXYPORT, d->proxyPort);
@@ -302,7 +285,7 @@ void Client::makeRequest(const Request_ptr& r)
       }
     }
 
-    const std::string method = strutils::lowercase (r->method());
+    std::string method = boost::to_lower_copy(r->method());
     if (method == "get") {
       curl_easy_setopt(curlRequest, CURLOPT_HTTPGET, 1);
     } else if (method == "put") {
@@ -535,8 +518,8 @@ size_t Client::requestHeaderCallback(char *rawBuffer, size_t size, size_t nitems
       return byteSize;
   }
 
-  const std::string key = strutils::simplify(h.substr(0, colonPos));
+  std::string key = strutils::simplify(h.substr(0, colonPos));
-  const std::string lkey = strutils::lowercase (key);
+  std::string lkey = boost::to_lower_copy(key);
   std::string value = strutils::strip(h.substr(colonPos + 1));
 
   req->responseHeader(lkey, value);

simgear/io/HTTPClient.hxx

@@ -47,8 +47,6 @@ public:
 
     void update(int waitTimeout = 0);
 
-    void reset();
-
     void makeRequest(const Request_ptr& r);
 
     void cancelRequest(const Request_ptr& r, std::string reason = std::string());

simgear/io/HTTPRepository.cxx

@@ -34,11 +34,9 @@
 
 #include "simgear/debug/logstream.hxx"
 #include "simgear/misc/strutils.hxx"
-
 #include <simgear/misc/sg_dir.hxx>
 #include <simgear/io/HTTPClient.hxx>
 #include <simgear/io/sg_file.hxx>
-#include <simgear/io/untar.hxx>
 #include <simgear/io/iostreams/sgstream.hxx>
 #include <simgear/structure/exception.hxx>
 #include <simgear/timing/timestamp.hxx>
@@ -49,7 +47,6 @@ namespace simgear
 {
 
     class HTTPDirectory;
-    using HTTPDirectory_ptr = std::unique_ptr<HTTPDirectory>;
 
     class HTTPRepoGetRequest : public HTTP::Request
     {
@@ -138,7 +135,7 @@ public:
     SGPath basePath;
     bool isUpdating;
     HTTPRepository::ResultCode status;
-    HTTPDirectory_ptr rootDir;
+    HTTPDirectory* rootDir;
     size_t totalDownloaded;
 
     HTTP::Request_ptr updateFile(HTTPDirectory* dir, const std::string& name,
@@ -166,7 +163,7 @@ public:
     HTTPDirectory* getOrCreateDirectory(const std::string& path);
     bool deleteDirectory(const std::string& relPath, const SGPath& absPath);
 
-    typedef std::vector<HTTPDirectory_ptr> DirectoryVector;
+    typedef std::vector<HTTPDirectory*> DirectoryVector;
     DirectoryVector directories;
 
     SGPath installedCopyPath;
@@ -179,8 +176,7 @@ class HTTPDirectory
         enum Type
         {
             FileType,
-            DirectoryType,
+            DirectoryType
-            TarballType
         };
 
         ChildInfo(Type ty, const std::string & nameData, const std::string & hashData) :
@@ -190,7 +186,7 @@ class HTTPDirectory
         {
         }
 
-		    ChildInfo(const ChildInfo& other) = default;
+		ChildInfo(const ChildInfo& other) = default;
 
         void setSize(const std::string & sizeData)
         {
@@ -315,41 +311,59 @@ public:
 
     void updateChildrenBasedOnHash()
     {
-      copyInstalledChildren();
+        //SG_LOG(SG_TERRASYNC, SG_DEBUG, "updated children for:" << relativePath());
 
-      ChildInfoList toBeUpdated;
+        copyInstalledChildren();
 
-      simgear::Dir d(absolutePath());
+		string_list toBeUpdated, orphans,
-      PathList fsChildren = d.children(0);
+			indexNames = indexChildren();
-      PathList orphans = d.children(0);
+        simgear::Dir d(absolutePath());
+        PathList fsChildren = d.children(0);
 
-      ChildInfoList::const_iterator it;
+        for (const auto& child : fsChildren) {
-      for (it=children.begin(); it != children.end(); ++it) {
+			const auto& fileName = child.file();
-        // Check if the file exists
+			if ((fileName == ".dirindex") || (fileName == ".hashes")) {
-        PathList::const_iterator p = std::find_if(fsChildren.begin(), fsChildren.end(), LocalFileMatcher(*it));
+				continue;
-        if (p == fsChildren.end()) {
+			}
-          // File or directory does not exist on local disk, so needs to be updated.
-          toBeUpdated.push_back(ChildInfo(*it));
-        } else if (hashForChild(*it) != it->hash) {
-          // File/directory exists, but hash doesn't match.
-          toBeUpdated.push_back(ChildInfo(*it));
-          orphans.erase(std::remove(orphans.begin(), orphans.end(), *p), orphans.end());
-        } else {
-          // File/Directory exists and hash is valid.
-          orphans.erase(std::remove(orphans.begin(), orphans.end(), *p), orphans.end());
 
-          if (it->type == ChildInfo::DirectoryType) {
+            ChildInfo info(child.isDir() ? ChildInfo::DirectoryType : ChildInfo::FileType, 
-              // If it's a directory,perform a recursive check.
+				fileName, "");
-              HTTPDirectory* childDir = childDirectory(it->name);
+			info.path = child;
-              childDir->updateChildrenBasedOnHash();
+            std::string hash = hashForChild(info);
-          }
-        }
-      }
 
-      // We now have a list of entries that need to be updated, and a list
+            ChildInfoList::iterator c = findIndexChild(fileName);
-      // of orphan files that should be removed.
+            if (c == children.end()) {
-      removeOrphans(orphans);
+                orphans.push_back(fileName);
-      scheduleUpdates(toBeUpdated);
+            } else if (c->hash != hash) {
+#if 0
+                SG_LOG(SG_TERRASYNC, SG_DEBUG, "hash mismatch'" << fileName);
+                // file exists, but hash mismatch, schedule update
+                if (!hash.empty()) {
+                    SG_LOG(SG_TERRASYNC, SG_DEBUG, "file exists but hash is wrong for:" << fileName);
+                    SG_LOG(SG_TERRASYNC, SG_DEBUG, "on disk:" << hash << " vs in info:" << c->hash);
+                }
+#endif
+                toBeUpdated.push_back(fileName);
+            } else {
+                // file exists and hash is valid. If it's a directory,
+                // perform a recursive check.
+                if (c->type == ChildInfo::DirectoryType) {
+                    HTTPDirectory* childDir = childDirectory(fileName);
+                    childDir->updateChildrenBasedOnHash();
+                }
+            }
+
+            // remove existing file system children from the index list,
+            // so we can detect new children
+            // https://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Erase-Remove
+            indexNames.erase(std::remove(indexNames.begin(), indexNames.end(), fileName), indexNames.end());
+        } // of real children iteration
+
+        // all remaining names in indexChilden are new children
+        toBeUpdated.insert(toBeUpdated.end(), indexNames.begin(), indexNames.end());
+
+        removeOrphans(orphans);
+        scheduleUpdates(toBeUpdated);
     }
 
     HTTPDirectory* childDirectory(const std::string& name)
@@ -358,12 +372,10 @@ public:
         return _repository->getOrCreateDirectory(childPath);
     }
 
-    void removeOrphans(const PathList orphans)
+    void removeOrphans(const string_list& orphans)
     {
-        PathList::const_iterator it;
+        string_list::const_iterator it;
         for (it = orphans.begin(); it != orphans.end(); ++it) {
-            if (it->file() == ".dirindex") continue;
-            if (it->file() == ".hash") continue;
             removeChild(*it);
         }
     }
@@ -379,20 +391,21 @@ public:
         return r;
     }
 
-    void scheduleUpdates(const ChildInfoList names)
+    void scheduleUpdates(const string_list& names)
     {
-        ChildInfoList::const_iterator it;
+        string_list::const_iterator it;
         for (it = names.begin(); it != names.end(); ++it) {
-            if (it->type == ChildInfo::FileType) {
+            ChildInfoList::iterator cit = findIndexChild(*it);
-                _repository->updateFile(this, it->name, it->sizeInBytes);
+            if (cit == children.end()) {
-            } else if (it->type == ChildInfo::DirectoryType){
+                SG_LOG(SG_TERRASYNC, SG_WARN, "scheduleUpdate, unknown child:" << *it);
-                HTTPDirectory* childDir = childDirectory(it->name);
+                continue;
-                _repository->updateDir(childDir, it->hash, it->sizeInBytes);
+            }
-            } else if (it->type == ChildInfo::TarballType) {
+
-                // Download a tarball just as a file.
+            if (cit->type == ChildInfo::FileType) {
-                _repository->updateFile(this, it->name, it->sizeInBytes);
+                _repository->updateFile(this, *it, cit->sizeInBytes);
             } else {
-                SG_LOG(SG_TERRASYNC, SG_ALERT, "Coding error!  Unknown Child type to schedule update");
+                HTTPDirectory* childDir = childDirectory(*it);
+                _repository->updateDir(childDir, cit->hash, cit->sizeInBytes);
             }
         }
     }
@@ -417,58 +430,12 @@ public:
             SG_LOG(SG_TERRASYNC, SG_WARN, "updated file but not found in dir:" << _relativePath << " " << file);
         } else {
             if (it->hash != hash) {
-                SG_LOG(SG_TERRASYNC, SG_WARN, "Checksum error for " << absolutePath() << "/" << file << " " << it->hash << " " << hash);
+                // we don't erase the file on a hash mismatch, becuase if we're syncing during the
-                // we don't erase the file on a hash mismatch, because if we're syncing during the
                 // middle of a server-side update, the downloaded file may actually become valid.
                 _repository->failedToUpdateChild(_relativePath, HTTPRepository::REPO_ERROR_CHECKSUM);
             } else {
                 _repository->updatedFileContents(it->path, hash);
                 _repository->totalDownloaded += sz;
-                SGPath p = SGPath(absolutePath(), file);
-
-                if ((p.extension() == "tgz") || (p.extension() == "zip")) {
-                  // We require that any compressed files have the same filename as the file or directory
-                  // they expand to, so we can remove the old file/directory before extracting the new
-                  // data.
-                  SGPath removePath = SGPath(p.base());
-                  bool pathAvailable = true;
-                  if (removePath.exists()) {
-                    if (removePath.isDir()) {
-                      simgear::Dir pd(removePath);
-                    	pathAvailable = pd.removeChildren();
-                    } else {
-                      pathAvailable = removePath.remove();
-                    }
-                  }
-
-                  if (pathAvailable) {
-                    // If this is a tarball, then extract it.
-                    SGBinaryFile f(p);
-                    if (! f.open(SG_IO_IN)) SG_LOG(SG_TERRASYNC, SG_ALERT, "Unable to open " << p << " to extract");
-
-                    SG_LOG(SG_TERRASYNC, SG_INFO, "Extracting " << absolutePath() << "/" << file << " to " << p.dir());
-                    SGPath extractDir = p.dir();
-                    ArchiveExtractor ex(extractDir);
-
-                    uint8_t* buf = (uint8_t*) alloca(128);
-                    while (!f.eof()) {
-                      size_t bufSize = f.read((char*) buf, 128);
-                      ex.extractBytes(buf, bufSize);
-                    }
-
-                    ex.flush();
-                    if (! ex.isAtEndOfArchive()) {
-                      SG_LOG(SG_TERRASYNC, SG_ALERT, "Corrupt tarball " << p);
-                    }
-
-                    if (ex.hasError()) {
-                      SG_LOG(SG_TERRASYNC, SG_ALERT, "Error extracting " << p);
-                    }
-
-                  } else {
-                    SG_LOG(SG_TERRASYNC, SG_ALERT, "Unable to remove old file/directory " << removePath);
-                  } // of pathAvailable
-                } // of handling tgz files
             } // of hash matches
         } // of found in child list
     }
@@ -491,16 +458,6 @@ private:
         { return info.name == name; }
     };
 
-    struct LocalFileMatcher
-    {
-        LocalFileMatcher(const ChildInfo ci) : childInfo(ci) {}
-        ChildInfo childInfo;
-
-        bool operator()(const SGPath path) const {
-          return path.file() == childInfo.name;
-        }
-    };
-
     ChildInfoList::iterator findIndexChild(const std::string& name)
     {
         return std::find_if(children.begin(), children.end(), ChildWithName(name));
@@ -562,8 +519,8 @@ private:
                 continue;
             }
 
-            if (typeData != "f" && typeData != "d"  && typeData != "t" ) {
+            if (typeData != "f" && typeData != "d" ) {
-                SG_LOG(SG_TERRASYNC, SG_WARN, "malformed .dirindex file: invalid type in line '" << line << "', expected 't', 'd' or 'f', (ignoring line)"
+                SG_LOG(SG_TERRASYNC, SG_WARN, "malformed .dirindex file: invalid type in line '" << line << "', expected 'd' or 'f', (ignoring line)"
                        << "\n\tparsing:" << p.utf8Str());
                 continue;
             }
@@ -576,12 +533,8 @@ private:
                 continue;
             }
 
-            ChildInfo ci = ChildInfo(ChildInfo::FileType, tokens[1], tokens[2]);
+            children.emplace_back(ChildInfo(typeData == "f" ? ChildInfo::FileType : ChildInfo::DirectoryType, tokens[1], tokens[2]));
-            if (typeData == "d") ci.type = ChildInfo::DirectoryType;
+			children.back().path = absolutePath() / tokens[1];
-            if (typeData == "t") ci.type = ChildInfo::TarballType;
-
-            children.emplace_back(ci);
-			      children.back().path = absolutePath() / tokens[1];
             if (tokens.size() > 3) {
                 children.back().setSize(tokens[3]);
             }
@@ -590,36 +543,40 @@ private:
         return true;
     }
 
-    void removeChild(SGPath path)
+    void removeChild(const std::string& name)
     {
+        SGPath p(absolutePath());
+        p.append(name);
         bool ok;
-        SG_LOG(SG_TERRASYNC, SG_INFO, "Removing:" << path);
 
-        std::string fpath = _relativePath + "/" + path.file();
+        std::string fpath = _relativePath + "/" + name;
-        if (path.isDir()) {
+        if (p.isDir()) {
-            ok = _repository->deleteDirectory(fpath, path);
+            ok = _repository->deleteDirectory(fpath, p);
         } else {
             // remove the hash cache entry
-            _repository->updatedFileContents(path, std::string());
+            _repository->updatedFileContents(p, std::string());
-            ok = path.remove();
+            ok = p.remove();
         }
 
         if (!ok) {
-            SG_LOG(SG_TERRASYNC, SG_WARN, "removal failed for:" << path);
+            SG_LOG(SG_TERRASYNC, SG_WARN, "removal failed for:" << p);
-            throw sg_io_exception("Failed to remove existing file/dir:", path);
+            throw sg_io_exception("Failed to remove existing file/dir:", p);
         }
     }
 
     std::string hashForChild(const ChildInfo& child) const
     {
-		    SGPath p(child.path);
+		SGPath p(child.path);
-        if (child.type == ChildInfo::DirectoryType) p.append(".dirindex");
+        if (child.type == ChildInfo::DirectoryType) {
-        if (child.type == ChildInfo::TarballType) p.concat(".tgz");  // For tarballs the hash is against the tarball file itself
+            p.append(".dirindex");
+        }
         return _repository->hashForPath(p);
     }
 
     HTTPRepoPrivate* _repository;
     std::string _relativePath; // in URL and file-system space
+
+
 };
 
 HTTPRepository::HTTPRepository(const SGPath& base, HTTP::Client *cl) :
@@ -627,7 +584,7 @@ HTTPRepository::HTTPRepository(const SGPath& base, HTTP::Client *cl) :
 {
     _d->http = cl;
     _d->basePath = base;
-    _d->rootDir.reset(new HTTPDirectory(_d.get(), ""));
+    _d->rootDir = new HTTPDirectory(_d.get(), "");
     _d->parseHashCache();
 }
 
@@ -664,7 +621,7 @@ void HTTPRepository::update()
     _d->status = REPO_NO_ERROR;
     _d->isUpdating = true;
     _d->failures.clear();
-    _d->updateDir(_d->rootDir.get(), {}, 0);
+    _d->updateDir(_d->rootDir, std::string(), 0);
 }
 
 bool HTTPRepository::isDoingSync() const
@@ -932,7 +889,10 @@ HTTPRepository::failure() const
             http->cancelRequest(*rq, "Repository object deleted");
         }
 
-        directories.clear(); // wil delete them all
+        DirectoryVector::iterator it;
+        for (it=directories.begin(); it != directories.end(); ++it) {
+            delete *it;
+        }
     }
 
     HTTP::Request_ptr HTTPRepoPrivate::updateFile(HTTPDirectory* dir, const std::string& name, size_t sz)
@@ -984,24 +944,16 @@ HTTPRepository::failure() const
     std::string HTTPRepoPrivate::computeHashForPath(const SGPath& p)
     {
         if (!p.exists())
-            return {};
+            return std::string();
-
         sha1nfo info;
         sha1_init(&info);
-
+        char* buf = static_cast<char*>(malloc(1024 * 1024));
-        const int bufSize = 1024 * 1024;
-        char* buf = static_cast<char*>(malloc(bufSize));
-        if (!buf) {
-            sg_io_exception("Couldn't allocate SHA1 computation buffer");
-        }
-
         size_t readLen;
         SGBinaryFile f(p);
         if (!f.open(SG_IO_IN)) {
-            free(buf);
             throw sg_io_exception("Couldn't open file for compute hash", p);
         }
-        while ((readLen = f.read(buf, bufSize)) > 0) {
+        while ((readLen = f.read(buf, 1024 * 1024)) > 0) {
             sha1_write(&info, buf, readLen);
         }
 
@@ -1103,7 +1055,7 @@ HTTPRepository::failure() const
     {
     public:
         DirectoryWithPath(const std::string& p) : path(p) {}
-        bool operator()(const HTTPDirectory_ptr& entry) const
+        bool operator()(const HTTPDirectory* entry) const
         { return entry->relativePath() == path; }
     private:
         std::string path;
@@ -1112,13 +1064,14 @@ HTTPRepository::failure() const
     HTTPDirectory* HTTPRepoPrivate::getOrCreateDirectory(const std::string& path)
     {
         DirectoryWithPath p(path);
-        auto it = std::find_if(directories.begin(), directories.end(), p);
+        DirectoryVector::iterator it = std::find_if(directories.begin(), directories.end(), p);
         if (it != directories.end()) {
-            return it->get();
+            return *it;
         }
 
-        directories.emplace_back(new HTTPDirectory(this, path));
+        HTTPDirectory* d = new HTTPDirectory(this, path);
-        return directories.back().get();
+        directories.push_back(d);
+        return d;
     }
 
     bool HTTPRepoPrivate::deleteDirectory(const std::string& relPath, const SGPath& absPath)
@@ -1126,9 +1079,10 @@ HTTPRepository::failure() const
         DirectoryWithPath p(relPath);
         auto it = std::find_if(directories.begin(), directories.end(), p);
         if (it != directories.end()) {
-            HTTPDirectory* d = it->get();
+            HTTPDirectory* d = *it;
 			assert(d->absolutePath() == absPath);
             directories.erase(it);
+            delete d;
 		} else {
 			// we encounter this code path when deleting an orphaned directory
 		}
@@ -1177,12 +1131,8 @@ HTTPRepository::failure() const
 
     void HTTPRepoPrivate::failedToGetRootIndex(HTTPRepository::ResultCode st)
     {
-        if (st == HTTPRepository::REPO_ERROR_FILE_NOT_FOUND) {
+        SG_LOG(SG_TERRASYNC, SG_WARN, "Failed to get root of repo:" << baseUrl << " " << st);
-            status = HTTPRepository::REPO_ERROR_NOT_FOUND;
+        status = st;
-        } else {
-            SG_LOG(SG_TERRASYNC, SG_WARN, "Failed to get root of repo:" << baseUrl << " " << st);
-            status = st;
-        }
     }
 
     void HTTPRepoPrivate::failedToUpdateChild(const SGPath& relativePath,
@@ -1209,15 +1159,15 @@ HTTPRepository::failure() const
         } else if (fileStatus == HTTPRepository::REPO_ERROR_CANCELLED) {
             // if we were cancelled, don't report or log
             return;
-        } else {
-            SG_LOG(SG_TERRASYNC, SG_WARN, "failed to update entry:" << relativePath << " status/code: "
-               << innerResultCodeAsString(fileStatus) << "/" << fileStatus);
         }
 
         Failure f;
         f.path = relativePath;
         f.error = fileStatus;
         failures.push_back(f);
+
+        SG_LOG(SG_TERRASYNC, SG_WARN, "failed to update entry:" << relativePath << " status/code: "
+               << innerResultCodeAsString(fileStatus) << "/" << fileStatus);
     }
 
 } // of namespace simgear

simgear/io/HTTPRequest.cxx

@@ -18,9 +18,6 @@
 #include <simgear_config.h>
 #include "HTTPRequest.hxx"
 
-#include <cstring>
-#include <algorithm> // for std::min
-
 #include <simgear/compiler.h>
 #include <simgear/debug/logstream.hxx>
 #include <simgear/misc/strutils.hxx>
@@ -193,16 +190,13 @@ void Request::onDone()
 //------------------------------------------------------------------------------
 void Request::onFail()
 {
-  // log if we FAIELD< but not if we CANCELLED
+  SG_LOG
-  if (_ready_state == FAILED) {
+  (
-    SG_LOG
+    SG_IO,
-    (
+    SG_INFO,
-      SG_IO,
+    "request failed:" << url() << " : "
-      SG_INFO,
+                      << responseCode() << "/" << responseReason()
-      "request failed:" << url() << " : "
+  );
-                        << responseCode() << "/" << responseReason()
-    );
-  }
 }
 
 //------------------------------------------------------------------------------
@@ -347,17 +341,12 @@ void Request::setSuccess(int code)
 //------------------------------------------------------------------------------
 void Request::setFailure(int code, const std::string& reason)
 {
-  // we use -1 for cancellation, don't be noisy in that case
-  if (code >= 0) { 
     SG_LOG(SG_IO, SG_WARN, "HTTP request: set failure:" << code << " reason " << reason);
-  }
-
   _responseStatus = code;
   _responseReason = reason;
 
-  if( !isComplete() ) {
+  if( !isComplete() )
-    setReadyState(code < 0 ? CANCELLED : FAILED);
+    setReadyState(FAILED);
-  }
 }
 
 //------------------------------------------------------------------------------
@@ -381,12 +370,6 @@ void Request::setReadyState(ReadyState state)
 
     _cb_fail(this);
   }
-  else if (state == CANCELLED )
-  {
-    onFail(); // do this for compatability
-    onAlways();
-    _cb_fail(this);
-  }
   else
     return;
 
@@ -416,7 +399,7 @@ bool Request::serverSupportsPipelining() const
 //------------------------------------------------------------------------------
 bool Request::isComplete() const
 {
-  return _ready_state == DONE || _ready_state == FAILED || _ready_state == CANCELLED;
+  return _ready_state == DONE || _ready_state == FAILED;
 }
 
 //------------------------------------------------------------------------------

simgear/io/HTTPRequest.hxx

@@ -28,6 +28,8 @@
 #include <simgear/structure/SGSharedPtr.hxx>
 #include <simgear/math/sg_types.hxx>
 
+#include <boost/bind.hpp>
+
 class SGPropertyNode;
 
 namespace simgear
@@ -44,7 +46,7 @@ class Request:
   public SGReferenced
 {
 public:
-    typedef std::function<void(Request*)> Callback;
+    typedef boost::function<void(Request*)> Callback;
 
     enum ReadyState
     {
@@ -54,8 +56,7 @@ public:
       HEADERS_RECEIVED,
       LOADING,
       DONE,
-      FAILED,
+      FAILED
-      CANCELLED
     };
 
     virtual ~Request();
@@ -81,7 +82,7 @@ public:
     template<class C>
     Request* done(C* instance, void (C::*mem_func)(Request*))
     {
-      return done(std::bind(mem_func, instance, std::placeholders::_1));
+      return done(boost::bind(mem_func, instance, _1));
     }
 
     /**
@@ -96,7 +97,7 @@ public:
     template<class C>
     Request* fail(C* instance, void (C::*mem_func)(Request*))
     {
-      return fail(std::bind(mem_func, instance, std::placeholders::_1));
+      return fail(boost::bind(mem_func, instance, _1));
     }
 
     /**
@@ -111,7 +112,7 @@ public:
     template<class C>
     Request* always(C* instance, void (C::*mem_func)(Request*))
     {
-      return always(std::bind(mem_func, instance, std::placeholders::_1));
+      return always(boost::bind(mem_func, instance, _1));
     }
 
     /**

simgear/io/httpget.cxx

@@ -5,6 +5,8 @@
 #include <signal.h>
 
 #include <iostream>
+#include <boost/foreach.hpp>
+
 
 #include <simgear/io/sg_file.hxx>
 #include <simgear/io/HTTPClient.hxx>
@@ -121,7 +123,7 @@ int main(int argc, char* argv[])
     }
 
     ARequest* req = new ARequest(url);
-    for (const auto& h : headers) {
+    BOOST_FOREACH(string h, headers) {
         req->addHeader(h);
     }
     

simgear/io/iostreams/gzcontainerfile.cxx

@@ -71,10 +71,10 @@ static const uint32_t EndianMagic = 0x11223344;
  * gzContainerWriter
  **************************************************************************/
 
-gzContainerWriter::gzContainerWriter(const SGPath& name,
+gzContainerWriter::gzContainerWriter(const std::string& name,
                                      const std::string& fileMagic) :
         sg_gzofstream(name, ios_out | ios_binary),
-        filename(name.utf8Str())
+        filename(name)
 {
     /* write byte-order marker **************************************/
     write((char*)&EndianMagic, sizeof(EndianMagic));
@@ -138,10 +138,10 @@ gzContainerWriter::writeContainer(ContainerType Type, SGPropertyNode* root)
  * gzContainerReader
  **************************************************************************/
 
-gzContainerReader::gzContainerReader(const SGPath& name,
+gzContainerReader::gzContainerReader(const std::string& name,
                                      const std::string& fileMagic) :
         sg_gzifstream(SGPath(name), ios_in | ios_binary),
-        filename(name.utf8Str())
+        filename(name)
 {
     bool ok = (good() && !eof());
 

simgear/io/iostreams/gzcontainerfile.hxx

@@ -35,7 +35,7 @@ typedef int ContainerType;
 class gzContainerReader : public sg_gzifstream
 {
 public:
-    gzContainerReader( const SGPath& name,
+    gzContainerReader( const std::string& name,
                        const std::string& fileMagic);
 
     bool readContainerHeader(ContainerType* pType, size_t* pSize);
@@ -48,7 +48,7 @@ private:
 class gzContainerWriter : public sg_gzofstream
 {
 public:
-    gzContainerWriter( const SGPath& name,
+    gzContainerWriter( const std::string& name,
                        const std::string& fileMagic);
 
     bool writeContainerHeader(ContainerType Type, size_t Size);

simgear/io/iostreams/sgstream.cxx

@@ -212,7 +212,7 @@ sg_ifstream::sg_ifstream(const SGPath& path, ios_openmode io_mode)
 #if defined(SG_WINDOWS)
 	std::wstring ps = path.wstr();
 #else
-    std::string ps = path.utf8Str();
+    std::string ps = path.local8BitStr();
 #endif
 	std::ifstream::open(ps.c_str(), io_mode);
 }
@@ -222,31 +222,17 @@ void sg_ifstream::open( const SGPath& name, ios_openmode io_mode )
 #if defined(SG_WINDOWS)
 	std::wstring ps = name.wstr();
 #else
-	std::string ps = name.utf8Str();
+	std::string ps = name.local8BitStr();
 #endif
     std::ifstream::open(ps.c_str(), io_mode);
 }
 
-std::string sg_ifstream::read_all()
-{
-	this->seekg(0, std::ios::end); // seek to end
-	const auto pos = this->tellg();
-
-	std::string result;
-	result.resize(pos);
-
-	this->seekg(0, std::ios::beg);
-	this->read(const_cast<char*>(result.data()), pos);
-    return result;
-}
-
-
 sg_ofstream::sg_ofstream(const SGPath& path, ios_openmode io_mode)
 {
 #if defined(SG_WINDOWS)
 	std::wstring ps = path.wstr();
 #else
-	std::string ps = path.utf8Str();
+	std::string ps = path.local8BitStr();
 #endif
     std::ofstream::open(ps.c_str(), io_mode);
 }
@@ -256,7 +242,7 @@ void sg_ofstream::open( const SGPath& name, ios_openmode io_mode )
 #if defined(SG_WINDOWS)
 	std::wstring ps = name.wstr();
 #else
-	std::string ps = name.utf8Str();
+	std::string ps = name.local8BitStr();
 #endif
     std::ofstream::open(ps.c_str(), io_mode);
 }

simgear/io/iostreams/sgstream.hxx

@@ -196,10 +196,6 @@ public:
 
     void open( const SGPath& name,
 	       ios_openmode io_mode = ios_in|ios_binary );
-    
-    /// read the entire stream into a buffer. Use on files, etc - not recommended on streams
-    /// which never EOF, will bvlock forever.
-    std::string read_all();
 };
 
 class sg_ofstream : public std::ofstream

simgear/io/iostreams/zlibstream_test.cxx

@@ -431,7 +431,7 @@ void test_ZlibDecompressorIStream_readPutbackEtc()
     try {
       // 'Z' is not the last character read from the stream
       decompressor.putback('Z');
-    } catch (const std::ios_base::failure&) {
+    } catch (std::ios_base::failure) {
       gotException = true;
     } catch (const std::exception& e) {
       // gcc fails to catch std::ios_base::failure due to an inconsistent C++11

simgear/io/raw_socket.cxx

@@ -36,7 +36,6 @@
 #include <cstring>
 #include <cassert>
 #include <cstdio> // for snprintf
-#include <mutex>
 #include <errno.h>
 
 #if defined(WINSOCK)
@@ -214,7 +213,7 @@ private:
       return ok;
     }
 
-    std::mutex _lock;
+    SGMutex _lock;
     SGWaitCondition _wait;
 
     typedef std::map<string, simgear::IPAddress*> AddressCache;

simgear/io/sg_binobj.cxx

@@ -160,7 +160,7 @@ public:
         }
     }
 
-    int32_t readInt()
+    float readInt()
     {
         unsigned int* p = reinterpret_cast<unsigned int*>(ptr + offset);
         if ( sgIsBigEndian() ) {

simgear/io/sg_binobj.hxx

@@ -34,15 +34,18 @@
 #include <simgear/math/sg_types.hxx>
 #include <simgear/math/SGMath.hxx>
 
-#include <array>
-#include <string>
 #include <vector>
+#include <string>
+#include <boost/array.hpp>
 
 #define MAX_TC_SETS     (4)
 #define MAX_VAS         (8)
 
-typedef std::array<int_list, MAX_TC_SETS> tci_list;
+// I really want to pass around fixed length arrays, as the size 
-typedef std::array<int_list, MAX_VAS>     vai_list;
+// has to be hardcoded
+// but it's a C++0x feature use boost in its absence
+typedef boost::array<int_list, MAX_TC_SETS> tci_list;
+typedef boost::array<int_list, MAX_VAS>     vai_list;
 
 /** STL Structure used to store (integer index) object information */
 typedef std::vector < int_list > group_list;

simgear/io/sg_file.cxx

@@ -64,31 +64,6 @@ SGFile::SGFile( int existingFd ) :
 SGFile::~SGFile() {
 }
 
-#include <simgear/misc/sg_hash.hxx>
-#include <simgear/structure/exception.hxx>
-#include "simgear/misc/strutils.hxx"
-
-std::string SGFile::computeHash()
-{
-    if (!file_name.exists())
-        return std::string();
-    simgear::sha1nfo info;
-    sha1_init(&info);
-    char* buf = static_cast<char*>(malloc(1024 * 1024));
-    size_t readLen;
-    SGBinaryFile f(file_name);
-    if (!f.open(SG_IO_IN)) {
-        throw sg_io_exception("Couldn't open file for compute hash", file_name);
-    }
-    while ((readLen = f.read(buf, 1024 * 1024)) > 0) {
-        sha1_write(&info, buf, readLen);
-    }
-
-    f.close();
-    free(buf);
-    std::string hashBytes((char*)sha1_result(&info), HASH_LENGTH);
-    return simgear::strutils::encodeHex(hashBytes);
-}
 
 // open the file based on specified direction
 bool SGFile::open( const SGProtocolDir d ) {

simgear/io/sg_file.hxx

@@ -87,9 +87,6 @@ public:
 
     /** @return true of eof conditions exists */
     virtual bool eof() const { return eof_flag; };
-
-    std::string computeHash();
-
 };
 
 class SGBinaryFile : public SGFile {

simgear/io/test_DNS.cxx

@@ -7,6 +7,8 @@
 #include <thread>
 #include <atomic>
 
+#include <boost/algorithm/string/case_conv.hpp>
+
 #include <simgear/simgear_config.h>
 
 #include "DNSClient.hxx"

simgear/io/test_HTTP.cxx

@@ -1,10 +1,12 @@
 #include <cstdlib>
-#include <cstring>
+
 #include <iostream>
 #include <map>
 #include <sstream>
 #include <cerrno>
 
+#include <boost/algorithm/string/case_conv.hpp>
+
 #include <simgear/simgear_config.h>
 
 #include "HTTPClient.hxx"
@@ -59,23 +61,23 @@ public:
     std::map<string, string> headers;
 protected:
 
-    void onDone() override
+    virtual void onDone()
     {
         complete = true;
     }
 
-    void onFail() override
+    virtual void onFail()
     {
         failed = true;
     }
 
-    void gotBodyData(const char* s, int n) override
+    virtual void gotBodyData(const char* s, int n)
     {
-    //    std::cout << "got body data:'" << string(s, n) << "'" <<std::endl;
+        //std::cout << "got body data:'" << string(s, n) << "'" <<std::endl;
         bodyData += string(s, n);
     }
 
-    void responseHeader(const string& header, const string& value) override
+    virtual void responseHeader(const string& header, const string& value)
     {
         Request::responseHeader(header, value);
         headers[header] =  value;
@@ -379,26 +381,6 @@ void waitForFailed(HTTP::Client* cl, TestRequest* tr)
     cerr << "timed out waiting for failure" << endl;
 }
 
-using CompletionCheck = std::function<bool()>;
-
-bool waitFor(HTTP::Client* cl, CompletionCheck ccheck)
-{
-    SGTimeStamp start(SGTimeStamp::now());
-    while (start.elapsedMSec() <  10000) {
-        cl->update();
-        testServer.poll();
-
-        if (ccheck()) {
-            return true;
-        }
-        SGTimeStamp::sleepForMSec(15);
-    }
-
-    cerr << "timed out" << endl;
-    return false;
-}
-
-
 int main(int argc, char* argv[])
 {
     sglog().setLogLevels( SG_ALL, SG_INFO );
@@ -474,8 +456,6 @@ int main(int argc, char* argv[])
 
 // larger get request
     for (unsigned int i=0; i<body2Size; ++i) {
-        // this contains embeded 0s on purpose, i.e it's
-        // not text data but binary
         body2[i] = (i << 4) | (i >> 2);
     }
 
@@ -620,10 +600,9 @@ cout << "testing proxy close" << endl;
         HTTP::Request_ptr own3(tr3);
         cl.makeRequest(tr3);
 
-        SG_VERIFY(waitFor(&cl, [tr, tr2, tr3]() {
+        waitForComplete(&cl, tr3);
-            return tr->complete && tr2->complete &&tr3->complete; 
+        SG_VERIFY(tr->complete);
-        }));
+        SG_VERIFY(tr2->complete);
-
         SG_CHECK_EQUAL(tr->bodyData, string(BODY1));
 
         SG_CHECK_EQUAL(tr2->responseLength(), strlen(BODY3));
@@ -652,9 +631,9 @@ cout << "testing proxy close" << endl;
         HTTP::Request_ptr own3(tr3);
         cl.makeRequest(tr3);
 
-        SG_VERIFY(waitFor(&cl, [tr, tr2, tr3]() {
+        waitForComplete(&cl, tr3);
-            return tr->complete && tr2->complete &&tr3->complete; 
+        SG_VERIFY(tr->complete);
-        }));
+        SG_VERIFY(tr2->complete);
 
         SG_CHECK_EQUAL(tr->responseLength(), strlen(BODY1));
         SG_CHECK_EQUAL(tr->responseBytesReceived(), strlen(BODY1));
@@ -781,15 +760,8 @@ cout << "testing proxy close" << endl;
         SG_CHECK_EQUAL(tr3->bodyData, string(BODY1));
     }
 
-    // disabling this test for now, since it seems to have changed depending
-    // on the libCurl version. (Or some other configuration which is currently
-    // not apparent).
-    // old behaviour: Curl sends the second request soon after makeRequest
-    // new behaviour: Curl waits for the first request to complete, before
-    // sending the second request (i.e acts as if HTTP pipelining is disabled)
-#if 0
     {
-        cout << "get-during-response-send\n\n" << endl;
+        cout << "get-during-response-send" << endl;
         cl.clearAllConnections();
         //test_get_during_send
 
@@ -809,10 +781,7 @@ cout << "testing proxy close" << endl;
         HTTP::Request_ptr own2(tr2);
         cl.makeRequest(tr2);
 
-        SG_VERIFY(waitFor(&cl, [tr, tr2]() {
+        waitForComplete(&cl, tr2);
-            return tr->isComplete() && tr2->isComplete();
-        }));
-        
         SG_CHECK_EQUAL(tr->responseCode(), 200);
         SG_CHECK_EQUAL(tr->bodyData, string(BODY3));
         SG_CHECK_EQUAL(tr->responseBytesReceived(), strlen(BODY3));
@@ -820,7 +789,6 @@ cout << "testing proxy close" << endl;
         SG_CHECK_EQUAL(tr2->bodyData, string(BODY1));
         SG_CHECK_EQUAL(tr2->responseBytesReceived(), strlen(BODY1));
     }
-#endif
     
     {
         cout << "redirect test" << endl;

simgear/io/test_HTTP.hxx

@@ -1,7 +1,6 @@
 #ifndef SIMGEAR_IO_TEST_HTTP_HXX
 #define SIMGEAR_IO_TEST_HTTP_HXX
 
-#include <algorithm>
 #include <sstream>
 #include <vector>
 

simgear/io/test_repository.cxx

@@ -1,4 +1,3 @@
-#include <cassert>
 #include <cstdlib>
 #include <iostream>
 #include <map>
@@ -6,6 +5,8 @@
 #include <errno.h>
 #include <fcntl.h>
 
+#include <boost/algorithm/string/case_conv.hpp>
+
 #include <simgear/simgear_config.h>
 
 #include "test_HTTP.hxx"

simgear/io/text_DNS.cxx

@@ -5,6 +5,8 @@
 #include <sstream>
 #include <errno.h>
 
+#include <boost/algorithm/string/case_conv.hpp>
+
 #include <simgear/simgear_config.h>
 
 #include "HTTPClient.hxx"

simgear/io/untar.cxx

@@ -48,8 +48,6 @@ namespace simgear
 			assert(outer);
 		}
 
-        virtual ~ArchiveExtractorPrivate() = default;
-        
 		typedef enum {
 			INVALID = 0,
 			READING_HEADER,
@@ -340,7 +338,7 @@ public:
         }
         
         if (!isSafePath(tarPath)) {
-            SG_LOG(SG_IO, SG_WARN, "unsafe tar path, skipping::" << tarPath);
+            SG_LOG(SG_IO, SG_WARN, "bad tar path:" << tarPath);
             skipCurrentEntry = true;
         }
 
@@ -506,7 +504,7 @@ public:
 #endif
 		unzFile zip = unzOpen2(bufferName, &memoryAccessFuncs);
 
-		const size_t BUFFER_SIZE = 1024 * 1024;
+		const size_t BUFFER_SIZE = 32 * 1024;
 		void* buf = malloc(BUFFER_SIZE);
 
 		try {
@@ -532,28 +530,24 @@ public:
 			state = END_OF_ARCHIVE;
 		}
 		catch (sg_exception&) {
-            state = BAD_ARCHIVE;
+			state = BAD_ARCHIVE;
-        }
+		}
 
-        free(buf);
+		free(buf);
-        unzClose(zip);
+		unzClose(zip);
-    }
+	}
 
-    void extractCurrentFile(unzFile zip, char* buffer, size_t bufferSize)
+	void extractCurrentFile(unzFile zip, char* buffer, size_t bufferSize)
-    {
+	{
-        unz_file_info fileInfo;
+		unz_file_info fileInfo;
-        int result = unzGetCurrentFileInfo(zip, &fileInfo,
+		unzGetCurrentFileInfo(zip, &fileInfo,
-                                           buffer, bufferSize,
+			buffer, bufferSize,
-                                           NULL, 0,  /* extra field */
+			NULL, 0,  /* extra field */
-                                           NULL, 0 /* comment field */);
+			NULL, 0 /* comment field */);
-        if (result != Z_OK) {
-            throw sg_io_exception("Failed to get zip current file info");
-        }
 
 		std::string name(buffer);
 		if (!isSafePath(name)) {
-            SG_LOG(SG_IO, SG_WARN, "unsafe zip path, skipping::" << name);
+			throw sg_format_exception("Bad zip path", name);
-            return;
 		}
 
 		auto filterResult = filterPath(name);
@@ -572,7 +566,7 @@ public:
 			return;
 		}
 
-		result = unzOpenCurrentFile(zip);
+		int result = unzOpenCurrentFile(zip);
 		if (result != UNZ_OK) {
 			throw sg_io_exception("opening current zip file failed", sg_location(name));
 		}
@@ -620,7 +614,10 @@ ArchiveExtractor::ArchiveExtractor(const SGPath& rootPath) :
 {
 }
 
-ArchiveExtractor::~ArchiveExtractor() = default;
+ArchiveExtractor::~ArchiveExtractor()
+{
+
+}
 
 void ArchiveExtractor::extractBytes(const uint8_t* bytes, size_t count)
 {
@@ -638,7 +635,7 @@ void ArchiveExtractor::extractBytes(const uint8_t* bytes, size_t count)
 			d.reset(new ZipExtractorPrivate(this));
 		}
 		else {
-			SG_LOG(SG_IO, SG_WARN, "Invalid archive type");
+			SG_LOG(SG_IO, SG_ALERT, "Invcalid archive type");
 			_invalidDataType = true;
 			return;
 		}
@@ -728,10 +725,8 @@ ArchiveExtractor::DetermineResult ArchiveExtractor::isTarData(const uint8_t* byt
         }
 
         int result = inflate(&z, Z_SYNC_FLUSH);
-        if ((result == Z_OK) || (result == Z_STREAM_END)) {
+        if (result != Z_OK) {
-            // all good
+            SG_LOG(SG_IO, SG_WARN, "inflate failed:" << result);
-        } else {
-            SG_LOG(SG_IO, SG_WARN, "isTarData: Zlib inflate failed:" << result);
             inflateEnd(&z);
             return Invalid; // not tar data
         }

simgear/io/untar.hxx

@@ -34,7 +34,7 @@ class ArchiveExtractor
 {
 public:
 	ArchiveExtractor(const SGPath& rootPath);
-	virtual ~ArchiveExtractor();
+	~ArchiveExtractor();
 
 	enum DetermineResult
 	{

simgear/math/SGGeodesy.cxx

@@ -537,13 +537,6 @@ SGGeodesy::advanceRadM(const SGGeoc& geoc, double course, double distance,
   }
 }
 
-SGGeoc SGGeodesy::advanceDegM(const SGGeoc &geoc, double course,
-                              double distance) {
-  SGGeoc result;
-  advanceRadM(geoc, course * SG_DEGREES_TO_RADIANS, distance, result);
-  return result;
-}
-
 double
 SGGeodesy::courseRad(const SGGeoc& from, const SGGeoc& to)
 {

simgear/math/SGGeodesy.hxx

@@ -65,9 +65,6 @@ public:
   // Geocentric course/distance computation
   static void advanceRadM(const SGGeoc& geoc, double course, double distance,
                           SGGeoc& result);
-
-  static SGGeoc advanceDegM(const SGGeoc &geoc, double course, double distance);
-
   static double courseRad(const SGGeoc& from, const SGGeoc& to);
   static double distanceRad(const SGGeoc& from, const SGGeoc& to);
   static double distanceM(const SGGeoc& from, const SGGeoc& to);

simgear/math/SGVec2.hxx

@@ -193,8 +193,8 @@ min(S s, SGVec2<T> v)
 template<typename T>
 inline
 SGVec2<T>
-max(SGVec2<T> v1, const SGVec2<T>& v2)
+max(const SGVec2<T>& v1, const SGVec2<T>& v2)
-{ v1.simd2() = simd4::max(v1.simd2(), v2.simd2()); return v1; }
+{ v1 = simd4::max(v1.simd2(), v2.simd2()); return v1; }
 template<typename S, typename T>
 inline
 SGVec2<T>
@@ -375,29 +375,6 @@ interpolate(T tau, const SGVec2<T>& v1, const SGVec2<T>& v2)
   return r;
 }
 
-// Helper function for point_in_triangle
-template <typename T>
-inline
-T
-pt_determine(const SGVec2<T>& pt1, const SGVec2<T>& pt2, const SGVec2<T>& pt3)
-{
-  return (pt1.x()-pt3.x()) * (pt2.y()-pt3.y()) - (pt2.x() - pt3.x()) * (pt1.y() - pt3.y());
-}
-
-// Is testpt inside the triangle formed by the other three points?
-template <typename T>
-inline
-bool
-point_in_triangle(const SGVec2<T>& testpt, const SGVec2<T>& pt1, const SGVec2<T>& pt2, const SGVec2<T>& pt3)
-{
-  T d1 = pt_determine(testpt,pt1,pt2);
-  T d2 = pt_determine(testpt,pt2,pt3);
-  T d3 = pt_determine(testpt,pt3,pt1);
-  bool has_neg = (d1 < 0) || (d2 < 0) || (d3 < 0);
-  bool has_pos = (d1 > 0) || (d2 > 0) || (d3 > 0);
-  return !(has_neg && has_pos);
-}
-
 #ifndef NDEBUG
 template<typename T>
 inline

simgear/math/interpolater.cxx

@@ -56,6 +56,8 @@ SGInterpTable::SGInterpTable(const SGPropertyNode* interpolation)
 // file
 SGInterpTable::SGInterpTable( const std::string& file )
 {
+    SG_LOG( SG_MATH, SG_INFO, "Initializing Interpolator for " << file );
+
     sg_gzifstream in( SGPath::fromUtf8(file) );
     if ( !in.is_open() ) {
         SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );
@@ -76,6 +78,8 @@ SGInterpTable::SGInterpTable( const std::string& file )
 // file
 SGInterpTable::SGInterpTable( const SGPath& file )
 {
+    SG_LOG( SG_MATH, SG_INFO, "Initializing Interpolator for " << file );
+
     sg_gzifstream in( file );
     if ( !in.is_open() ) {
         SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );

simgear/misc/CMakeLists.txt

@@ -19,8 +19,6 @@ set(HEADERS
     tabbed_values.hxx
     texcoord.hxx
     test_macros.hxx
-    lru_cache.hxx
-    simgear_optional.hxx
     )
 
 set(SOURCES

simgear/misc/CSSBorder.cxx

@@ -18,6 +18,8 @@
 
 #include "CSSBorder.hxx"
 
+#include <boost/lexical_cast.hpp>
+#include <boost/range.hpp>
 #include <boost/tokenizer.hpp>
 
 namespace simgear
@@ -112,9 +114,9 @@ namespace simgear
           std::max
           (
             0.f,
-            std::stof
+            boost::lexical_cast<float>
             (
-              rel ? std::string(tok->begin(), tok->end() - 1)
+              rel ? boost::make_iterator_range(tok->begin(), tok->end() - 1)
                   : *tok
             )
             /

simgear/misc/ListDiff.hxx

@@ -21,6 +21,7 @@
 #define SG_LISTDIFF_HXX_
 
 #include <vector>
+#include <boost/function.hpp>
 
 namespace simgear
 {
@@ -29,7 +30,7 @@ namespace simgear
   struct ListDiff
   {
     typedef std::vector<T> List;
-    typedef std::function<void (T)> Callback;
+    typedef boost::function<void (T)> Callback;
 
     /**
      * Perform list diff in-place (modifies both lists) and call cb_add for

simgear/misc/ResourceManager.cxx

@@ -56,15 +56,6 @@ ResourceManager::~ResourceManager()
     std::for_each(_providers.begin(), _providers.end(), 
         [](ResourceProvider* p) { delete p; });
 }
-
-void ResourceManager::reset()
-{
-    if (static_manager) {
-        delete static_manager;
-        static_manager = nullptr;
-    }
-}
-
 /**
  * trivial provider using a fixed base path
  */
@@ -116,8 +107,6 @@ void ResourceManager::removeProvider(ResourceProvider* aProvider)
         SG_LOG(SG_GENERAL, SG_DEV_ALERT, "unknown provider doing remove");
         return;
     }
-
-    _providers.erase(it);
 }
 
 SGPath ResourceManager::findPath(const std::string& aResource, SGPath aContext)

simgear/misc/ResourceManager.hxx

@@ -47,8 +47,6 @@ public:
 
     static ResourceManager* instance();    
     
-    static void reset();
-
     /**
      * add a simple fixed resource location, to resolve against
      */

simgear/misc/interpolator.hxx

@@ -30,16 +30,11 @@
 // code can register another one immediately without worrying about
 // timer aliasing.
 
-class SGInterpolator : public SGSubsystem
+class SGInterpolator : public SGSubsystem {
-{
 public:
     SGInterpolator() { _list = 0; }
-
+    virtual void init() {}
-    // Subsystem API.
+    virtual void update(double delta_time_sec);
-    void update(double delta_time_sec) override;
-
-    // Subsystem identification.
-    static const char* staticSubsystemClassId() { return "interpolator"; }
 
     // Simple method that interpolates a double property value from
     // its current value (default of zero) to the specified target

simgear/misc/lru_cache.hxx

@@ -1,173 +0,0 @@
-///@file
-/// Compare lists and get differences
-//---------------------------------------------------------------------------//
-// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
-//
-// Distributed under the Boost Software License, Version 1.0
-// See accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt
-//
-// See http://boostorg.github.com/compute for more information.
-//---------------------------------------------------------------------------//
-///
-// Changes Copyright (C) 2019    Richard Harrison (rjh@zaretto.com)
-//
-// As the boost licence is lax and permissive see 
-// (https://www.gnu.org/licenses/license-list.en.html#boost)
-// any changes to this module are covered under the GPL
-// 
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
-
-#ifndef LRU_CACHE_HXX_
-#define LRU_CACHE_HXX_
-
-#include <map>
-#include <list>
-#include <utility>
-#include <mutex>
-
-#include <boost/optional.hpp>
-#include <simgear/threads/SGThread.hxx>
-
-namespace simgear
-{
-    // a cache which evicts the least recently used item when it is full
-    template<class Key, class Value>
-    class lru_cache
-    {
-    public:
-        std::mutex _mutex;
-
-        typedef Key key_type;
-        typedef Value value_type;
-        typedef std::list<key_type> list_type;
-        typedef std::map<
-            key_type,
-            std::pair<value_type, typename list_type::iterator>
-        > map_type;
-
-        lru_cache(size_t capacity)
-            : m_capacity(capacity)
-        {
-        }
-
-        ~lru_cache()
-        {
-        }
-
-
-        size_t size() const
-        {
-            return m_map.size();
-        }
-
-        size_t capacity() const
-        {
-            return m_capacity;
-        }
-
-        bool empty() const
-        {
-            return m_map.empty();
-        }
-
-        bool contains(const key_type &key)
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            return m_map.find(key) != m_map.end();
-        }
-
-        void insert(const key_type &key, const value_type &value)
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            typename map_type::iterator i = m_map.find(key);
-            if (i == m_map.end()) {
-                // insert item into the cache, but first check if it is full
-                if (size() >= m_capacity) {
-                    // cache is full, evict the least recently used item
-                    evict();
-                }
-
-                // insert the new item
-                m_list.push_front(key);
-                m_map[key] = std::make_pair(value, m_list.begin());
-            }
-        }
-        boost::optional<key_type> findValue(const std::string &requiredValue)
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            for (typename map_type::iterator it = m_map.begin(); it != m_map.end(); ++it)
-                if (it->second.first == requiredValue)
-                    return it->first;
-            return boost::none;
-        }
-        boost::optional<value_type> get(const key_type &key)
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            // lookup value in the cache
-            typename map_type::iterator i = m_map.find(key);
-            if (i == m_map.end()) {
-                // value not in cache
-                return boost::none;
-            }
-
-            // return the value, but first update its place in the most
-            // recently used list
-            typename list_type::iterator j = i->second.second;
-            if (j != m_list.begin()) {
-                // move item to the front of the most recently used list
-                m_list.erase(j);
-                m_list.push_front(key);
-
-                // update iterator in map
-                j = m_list.begin();
-                const value_type &value = i->second.first;
-                m_map[key] = std::make_pair(value, j);
-
-                // return the value
-                return value;
-            }
-            else {
-                // the item is already at the front of the most recently
-                // used list so just return it
-                return i->second.first;
-            }
-        }
-
-        void clear()
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            m_map.clear();
-            m_list.clear();
-        }
-
-    private:
-        void evict()
-        {
-            std::lock_guard<std::mutex> scopeLock(_mutex);
-            // evict item from the end of most recently used list
-            typename list_type::iterator i = --m_list.end();
-            m_map.erase(*i);
-            m_list.erase(i);
-        }
-
-    private:
-        map_type m_map;
-        list_type m_list;
-        size_t m_capacity;
-    };
-} // namespace simgear
-
-#endif /* SG_LISTDIFF_HXX_ */

simgear/misc/path_test.cxx

@@ -333,12 +333,6 @@ void test_hash_function()
   SG_CHECK_NE(std::hash<SGPath>{}(p), std::hash<SGPath>{}(p / "foobar"));
 }
 
-void test_null_path()
-{
-	const SGPath nullPath;
-	SG_VERIFY(!nullPath.exists());
-}
-
 int main(int argc, char* argv[])
 {
     SGPath pa;
@@ -447,7 +441,6 @@ int main(int argc, char* argv[])
     test_update_dir();
     test_comparisons();
     test_hash_function();
-	test_null_path();
 
     cout << "all tests passed OK" << endl;
     return 0; // passed

simgear/misc/sg_dir.cxx

@@ -41,6 +41,7 @@
 
 #include <simgear/misc/strutils.hxx>
 #include <simgear/debug/logstream.hxx>
+#include <boost/foreach.hpp>
 
 #include <cstring>
 #include <cstdlib>
@@ -114,7 +115,7 @@ Dir Dir::tempDir(const std::string& templ)
     // Mac OS-X / BSD manual says any number of 'X's, but GLibc manual
     // says exactly six, so that's what I'm going with
     p.concat("-XXXXXX");
-    std::string s = p.utf8Str();
+    std::string s = p.local8BitStr();
     ::snprintf(buf, 1024, "%s", s.c_str());
     if (!mkdtemp(buf)) {
         SG_LOG(SG_IO, SG_WARN,
@@ -205,7 +206,7 @@ PathList Dir::children(int types, const std::string& nameFilter) const
 
   FindClose(find);
 #else
-    std::string ps = _path.utf8Str();
+    std::string ps = _path.local8BitStr();
   DIR* dp = opendir(ps.c_str());
   if (!dp) {
     SG_LOG(SG_GENERAL, SG_WARN, "Dir::children: opendir failed:" << _path);
@@ -289,7 +290,7 @@ bool Dir::isEmpty() const
   std::wstring ps = _path.wstr();
   return PathIsDirectoryEmptyW( ps.c_str() );
 #else
-  std::string ps = _path.utf8Str();
+  std::string ps = _path.local8BitStr();
   DIR* dp = opendir( ps.c_str() );
   if (!dp) return true;
 
@@ -338,7 +339,7 @@ bool Dir::create(mode_t mode)
 	std::wstring ps = _path.wstr();
 	int err = _wmkdir(ps.c_str());
 #else
-    std::string ps = _path.utf8Str();
+    std::string ps = _path.local8BitStr();
     int err = mkdir(ps.c_str(), mode);
 #endif
     if (err) {
@@ -358,7 +359,7 @@ bool Dir::removeChildren() const
 
     bool ok;
     PathList cs = children(NO_DOT_OR_DOTDOT | INCLUDE_HIDDEN | TYPE_FILE | TYPE_DIR);
-    for (auto path : cs) {
+    BOOST_FOREACH(SGPath path, cs) {
         if (path.isDir()) {
             Dir childDir(path);
             ok = childDir.remove(true);
@@ -393,7 +394,7 @@ bool Dir::remove(bool recursive)
 	std::wstring ps = _path.wstr();
     int err = _wrmdir(ps.c_str());
 #else
-	std::string ps = _path.utf8Str();
+	std::string ps = _path.local8BitStr();
     int err = rmdir(ps.c_str());
 #endif
     if (err) {

simgear/misc/sg_path.cxx

@@ -29,7 +29,6 @@
 #include <simgear/misc/strutils.hxx>
 #include <simgear/io/iostreams/sgstream.hxx>
 
-#include <cstring>
 #include <stdio.h>
 #include <sys/stat.h>
 #include <errno.h>
@@ -48,6 +47,8 @@
 
 #include "sg_path.hxx"
 
+#include <boost/algorithm/string/case_conv.hpp>
+
 using std::string;
 using simgear::strutils::starts_with;
 
@@ -397,7 +398,7 @@ string SGPath::extension() const {
 }
 
 string SGPath::lower_extension() const {
-    return simgear::strutils::lowercase (extension());
+    return boost::to_lower_copy(extension());
 }
 
 string SGPath::complete_lower_extension() const
@@ -411,7 +412,7 @@ string SGPath::complete_lower_extension() const
 
     string::size_type firstDot = path.find(".", index);
     if ((firstDot != string::npos)  && (path.find(sgDirPathSep, firstDot) == string::npos)) {
-        return simgear::strutils::lowercase (path.substr(firstDot + 1));
+        return boost::to_lower_copy(path.substr(firstDot + 1));
     } else {
         return "";
     }
@@ -785,8 +786,8 @@ bool SGPath::rename(const SGPath& newName)
 	std::wstring np = newName.wstr();
 	if (_wrename(p.c_str(), np.c_str()) != 0)
 #else
-    std::string p = utf8Str();
+    std::string p = local8BitStr();
-    std::string np = newName.utf8Str();
+    std::string np = newName.local8BitStr();
     if( ::rename(p.c_str(), np.c_str()) != 0 )
 #endif
 

simgear/misc/simgear_optional.hxx

@@ -1,95 +0,0 @@
-// -*- coding: utf-8 -*-
-//
-// simgear_optional.hxx --- Mimic std::optional until we can use C++14
-// Copyright (C) 2020  James Turner <james@flightgear.org>
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Library General Public
-// License as published by the Free Software Foundation; either
-// version 2 of the License, or (at your option) any later version.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-// Library General Public License for more details.
-//
-// You should have received a copy of the GNU Library General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-// MA  02110-1301  USA.
-
-
-#pragma once
-
-#include <simgear/structure/exception.hxx>
-
-namespace simgear
-{
-
-/**
- * Inefficient version of std::optional. It requires a default-constructable,
- * copyable T type, unlike the real version.
- */
-
-template <class T>
-class optional
-{
-public:
-    using value_type  = T;
-
-    optional() = default;
-
-    optional(const T& v) :
-        _value(v),
-        _haveValue(true)
-    {}
-
-    optional(const optional<T>& other) :
-        _value(other._value),
-        _haveValue(other._haveValue)
-    {}
-
-    optional<T>& operator=(const optional<T>& other)
-    {
-        _haveValue = other._haveValue;
-        _value = other._value;
-        return *this;
-    }
-
-    explicit operator bool() const
-    {
-        return _haveValue;
-    }
-
-    bool has_value() const
-    {
-        return _haveValue;
-    }
-
-    const T& value() const
-    {
-        if (!_haveValue) {
-            throw sg_exception("No value in optional");
-        }
-        return _value;
-    }
-
-    T& value()
-    {
-        if (!_haveValue) {
-            throw sg_exception("No value in optional");
-        }
-        return _value;
-    }
-
-    void reset()
-    {
-        _haveValue = false;
-        _value = {};
-    }
-private:
-    T _value = {};
-    bool _haveValue = false;
-};
-
-} // of namespace simgear

simgear/misc/strutils.cxx

@@ -267,38 +267,6 @@ namespace simgear {
 	    return do_strip( s, BOTHSTRIP );
 	}
 
-    string makeStringSafeForPropertyName(const std::string& str)
-    {
-        // This function replaces all characters in 'str' that are not
-        // alphanumeric or '-'.
-        // TODO: make the function multibyte safe.
-        string res = str;
-
-        int index = 0;
-        for (char& c : res) {
-            if (!std::isalpha(c) && !std::isdigit(c) && c != '-') {
-                switch (c) {
-                case ' ':
-                case '\t':
-                case '\n':
-                case '\r':
-                case '_':
-                case '.':
-                case '/':
-                case '\\':
-                    res[index] = '-';
-                    break;
-                default:
-                    res[index] = '_';
-                    SG_LOG(SG_GENERAL, SG_WARN, "makeStringSafeForPropertyName: Modified '" << str << "' to '" << res << "'");
-                }
-            }
-            index++;
-        }
-
-        return res;
-    }
-
         void
         stripTrailingNewlines_inplace(string& s)
         {
@@ -620,40 +588,6 @@ namespace simgear {
         return v1parts.size() - v2parts.size();
     }
 
-    bool compareVersionToWildcard(const std::string& aVersion, const std::string& aCandidate)
-    {
-        if (aCandidate == aVersion) {
-            return true;
-        }
-
-        // examine each dot-seperated component in turn, supporting a wildcard
-        // in the versions from the catalog.
-        string_list parts = split(aVersion, ".");
-        string_list candidateParts = split(aCandidate, ".");
-
-        const size_t partCount = parts.size();
-        const size_t candidatePartCount =  candidateParts.size();
-        
-        bool previousCandidatePartWasWildcard = false;
-
-        for (unsigned int p=0; p < partCount; ++p) {
-            // candidate string is too short, can match if it ended with wildcard
-            // part. This allows candidate '2016.*' to match '2016.1.2' and so on
-            if (candidatePartCount <= p) {
-                return previousCandidatePartWasWildcard;
-            }
-
-            if (candidateParts.at(p) == "*") {
-                // always passes
-                previousCandidatePartWasWildcard = true;
-            } else if (parts.at(p) != candidateParts.at(p)) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-
     string join(const string_list& l, const string& joinWith)
     {
         string result;
@@ -690,22 +624,6 @@ namespace simgear {
       }
     }
 
-        
-bool iequals(const std::string& a, const std::string& b)
-{
-    const auto lenA = a.length();
-    const auto lenB = b.length();
-    if (lenA != lenB) return false;
-    
-    const char* aPtr = a.data();
-    const char* bPtr = b.data();
-    for (size_t i = 0; i < lenA; ++i) {
-        if (tolower(*aPtr++) != tolower(*bPtr++)) return false;
-    }
-    
-    return true;
-}
-
 #if defined(SG_WINDOWS)
 static std::wstring convertMultiByteToWString(DWORD encoding, const std::string& a)
 {
@@ -738,7 +656,8 @@ static std::string convertWStringToMultiByte(DWORD encoding, const std::wstring&
 std::wstring convertUtf8ToWString(const std::string& a)
 {
 #if defined(SG_WINDOWS)
-    return convertMultiByteToWString(CP_UTF8, a);
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> ucs2conv;
+    return ucs2conv.from_bytes(a);
 #else
     assert(sizeof(wchar_t) == 4);
     std::wstring result;
@@ -788,7 +707,8 @@ std::wstring convertUtf8ToWString(const std::string& a)
 std::string convertWStringToUtf8(const std::wstring& w)
 {
 #if defined(SG_WINDOWS)
-    return convertWStringToMultiByte(CP_UTF8, w);
+    std::wstring_convert<std::codecvt_utf8<wchar_t>, wchar_t> ucs2conv;
+    return ucs2conv.to_bytes(w);
 #else
     assert(sizeof(wchar_t) == 4);
     std::string result;
@@ -963,69 +883,6 @@ std::string encodeHex(const unsigned char* rawBytes, unsigned int length)
   return hex;
 }
 
-std::vector<uint8_t> decodeHex(const std::string& input)
-{
-    std::vector<uint8_t> result;
-    char* ptr = const_cast<char*>(input.data());
-    const char* end = ptr + input.length();
-    
-    bool highNibble = true;
-    uint8_t b = 0;
-    
-    while (ptr != end) {
-        const char c = *ptr;
-        char val = 0;
-        
-        if (c == '0') {
-            val = 0;
-            if ((ptr + 1) < end) {
-                const auto peek = *(ptr + 1);
-                if (peek == 'x') {
-                    // tolerate 0x prefixing
-                    highNibble = true;
-                    ptr += 2; // skip both bytes
-                    continue;
-                }
-            }
-        } else if (isdigit(c)) {
-            val =  c - '0';
-        } else if ((c >= 'A') && (c <= 'F')) {
-            val = c - 'A' + 10;
-        } else if ((c >= 'a') && (c <= 'f')) {
-            val = c - 'a' + 10;
-        } else {
-            // any other input: newline, space, tab, comma...
-            if (!highNibble) {
-                // allow a single digit to work, if we have spacing
-                highNibble = true;
-                result.push_back(b >> 4);
-            }
-            
-            ++ptr;
-            continue;
-        }
-        
-        if (highNibble) {
-            highNibble = false;
-            b = val << 4;
-        } else {
-            highNibble = true;
-            b |= val;
-            result.push_back(b);
-        }
-        
-        ++ptr;
-    }
-    
-    // watch for trailing single digit
-    // this is reqquired so a stirng ending in 0x3 is decoded.
-    if (!highNibble) {
-        result.push_back(b >> 4);
-    }
-    
-    return result;
-}
-    
 // Write an octal backslash-escaped respresentation of 'val' to 'buf'.
 //
 // At least 4 write positions must be available at 'buf'. The result is *not*
@@ -1134,16 +991,6 @@ std::string unescape(const char* s)
   }
   return r;
 }
-std::string replace(std::string source, const std::string search, const std::string replacement, std::size_t start_pos)
-{
-    if (start_pos < source.length()) {
-        while ((start_pos = source.find(search, start_pos)) != std::string::npos) {
-            source.replace(start_pos, search.length(), replacement);
-            start_pos += replacement.length();
-        }
-    }
-    return source;
-}
 
 string sanitizePrintfFormat(const string& input)
 {
@@ -1170,7 +1017,7 @@ std::string error_string(int errnum)
   retcode = strerror_s(buf, sizeof(buf), errnum);
 #elif defined(_GNU_SOURCE)
   return std::string(strerror_r(errnum, buf, sizeof(buf)));
-#elif (_POSIX_C_SOURCE >= 200112L) || defined(SG_MAC) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#elif (_POSIX_C_SOURCE >= 200112L) || defined(SG_MAC) || defined(__FreeBSD__)
   int retcode;
   // POSIX.1-2001 and POSIX.1-2008
   retcode = strerror_r(errnum, buf, sizeof(buf));

simgear/misc/strutils.hxx

@@ -33,7 +33,6 @@
 #include <vector>
 #include <type_traits>
 #include <cstdlib>
-#include <cstdint>
 
 typedef std::vector < std::string > string_list;
 
@@ -75,9 +74,7 @@ namespace simgear {
 	std::string rstrip( const std::string& s );
 	std::string strip( const std::string& s );
 
-    std::string makeStringSafeForPropertyName(const std::string& str);
+	/**
-
-    /**
          * Return a new string with any trailing \\r and \\n characters removed.
          * Typically useful to clean a CR-terminated line obtained from
          * std::getline() which, upon reading CRLF (\\r\\n), discards the Line
@@ -250,13 +247,6 @@ namespace simgear {
                           const std::string& v2,
                           int maxComponents = 0 );
 
-    /**
-        @brief COmpare a version string to a template version string (which can contain wildcards)
-     @param aVersion : a regular version such as 2017.6 or 2020.1.2
-     @param aCandidate : a version specifier, eg 2020.* or 21.5.*
-     */
-    bool compareVersionToWildcard(const std::string& aVersion, const std::string& aCandidate);
-  
     /**
      * Convert a string to upper case.
      * @return upper case string
@@ -274,11 +264,6 @@ namespace simgear {
    */
   void lowercase(std::string &s);
   
-      /**
-       * case-insensitive string comparisom
-       */
-      bool iequals(const std::string& a, const std::string& b);
-      
 	/**
      * convert a string in the local Windows 8-bit encoding to UTF-8
      * (no-op on other platforms)
@@ -314,9 +299,6 @@ namespace simgear {
 
     std::string encodeHex(const unsigned char* rawBytes, unsigned int length);
 
-  
-    std::vector<uint8_t> decodeHex(const std::string& input);
-
     /**
      * Backslash-escape a string for C/C++ string literal syntax.
      *
@@ -346,18 +328,7 @@ namespace simgear {
     inline std::string unescape(const std::string& str)
     { return unescape(str.c_str()); }
 
-    /**
+      /**
-    * Replace matching elements of string.
-    *
-    * @param source source string
-    * @param search search string
-    * @param replace replacement string
-    * @param start_pos starting position for replacement in source. Checked to ensure less than length of source.
-    * @return string with all occurrences of search changed to replace
-    */
-    std::string replace(std::string source, const std::string search, const std::string replacement, std::size_t start_pos = 0);
-
-    /**
        * Check a printf-style format string for dangerous (buffer-overflowing,
        * memory re-writing) format tokens. If a problematic token is
        * found, logs an error (SG_WARN) and returns an empty format string.