Remove SVN sync code.

This commit is contained in:
James Turner
2016-05-25 20:36:04 +01:00
parent 9d2df12ab8
commit 3e2f37418a
10 changed files with 0 additions and 2223 deletions

View File

@@ -19,10 +19,6 @@ set(HEADERS
HTTPMemoryRequest.hxx
HTTPRequest.hxx
AbstractRepository.hxx
DAVMultiStatus.hxx
SVNRepository.hxx
SVNDirectory.hxx
SVNReportParser.hxx
HTTPRepository.hxx
)
@@ -43,10 +39,6 @@ set(SOURCES
HTTPMemoryRequest.cxx
HTTPRequest.cxx
AbstractRepository.cxx
DAVMultiStatus.cxx
SVNRepository.cxx
SVNDirectory.cxx
SVNReportParser.cxx
HTTPRepository.cxx
)
@@ -59,9 +51,6 @@ simgear_component(io io "${SOURCES}" "${HEADERS}")
if(ENABLE_TESTS)
add_executable(http_svn http_svn.cxx)
target_link_libraries(http_svn ${TEST_LIBS})
add_executable(test_sock socktest.cxx)
target_link_libraries(test_sock ${TEST_LIBS})

View File

@@ -1,402 +0,0 @@
// DAVMultiStatus.cxx -- parser for WebDAV MultiStatus XML data
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifdef HAVE_CONFIG_H
# include <simgear_config.h>
#endif
#include "DAVMultiStatus.hxx"
#include <iostream>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <sstream>
#include <boost/foreach.hpp>
#include "simgear/debug/logstream.hxx"
#include "simgear/misc/strutils.hxx"
#include "simgear/structure/exception.hxx"
#ifdef SYSTEM_EXPAT
# include <expat.h>
#else
# include "sg_expat.h"
#endif
using std::string;
using namespace simgear;
#define DAV_NS "DAV::"
#define SUBVERSION_DAV_NS "http://subversion.tigris.org/xmlns/dav/"
const char* DAV_MULTISTATUS_TAG = DAV_NS "multistatus";
const char* DAV_RESPONSE_TAG = DAV_NS "response";
const char* DAV_PROPSTAT_TAG = DAV_NS "propstat";
const char* DAV_PROP_TAG = DAV_NS "prop";
const char* DAV_HREF_TAG = DAV_NS "href";
const char* DAV_RESOURCE_TYPE_TAG = DAV_NS "resourcetype";
const char* DAV_CONTENT_TYPE_TAG = DAV_NS "getcontenttype";
const char* DAV_CONTENT_LENGTH_TAG = DAV_NS "getcontentlength";
const char* DAV_VERSIONNAME_TAG = DAV_NS "version-name";
const char* DAV_COLLECTION_TAG = DAV_NS "collection";
const char* DAV_VCC_TAG = DAV_NS "version-controlled-configuration";
const char* SUBVERSION_MD5_CHECKSUM_TAG = SUBVERSION_DAV_NS ":md5-checksum";
DAVResource::DAVResource(const string& href) :
_type(Unknown),
_url(href),
_container(NULL)
{
assert(!href.empty());
if (strutils::ends_with(href, "/")) {
_url = href.substr(0, _url.size() - 1);
}
}
void DAVResource::setVersionName(const std::string& aVersion)
{
_versionName = aVersion;
}
void DAVResource::setVersionControlledConfiguration(const std::string& vcc)
{
_vcc = vcc;
}
void DAVResource::setMD5(const std::string& md5Hex)
{
_md5 = md5Hex;
}
std::string DAVResource::name() const
{
string::size_type index = _url.rfind('/');
if (index != string::npos) {
return _url.substr(index + 1);
}
throw sg_exception("bad DAV resource HREF:" + _url);
}
////////////////////////////////////////////////////////////////////////////
DAVCollection::DAVCollection(const string& href) :
DAVResource(href)
{
_type = DAVResource::Collection;
}
DAVCollection::~DAVCollection()
{
BOOST_FOREACH(DAVResource* c, _contents) {
delete c;
}
}
void DAVCollection::addChild(DAVResource *res)
{
assert(res);
if (res->container() == this) {
return;
}
assert(res->container() == NULL);
assert(std::find(_contents.begin(), _contents.end(), res) == _contents.end());
assert(strutils::starts_with(res->url(), _url));
assert(childWithUrl(res->url()) == NULL);
res->_container = this;
_contents.push_back(res);
}
void DAVCollection::removeChild(DAVResource* res)
{
assert(res);
assert(res->container() == this);
res->_container = NULL;
DAVResourceList::iterator it = std::find(_contents.begin(), _contents.end(), res);
assert(it != _contents.end());
_contents.erase(it);
}
DAVCollection*
DAVCollection::createChildCollection(const std::string& name)
{
DAVCollection* child = new DAVCollection(urlForChildWithName(name));
addChild(child);
return child;
}
DAVResourceList DAVCollection::contents() const
{
return _contents;
}
DAVResource* DAVCollection::childWithUrl(const string& url) const
{
if (url.empty())
return NULL;
BOOST_FOREACH(DAVResource* c, _contents) {
if (c->url() == url) {
return c;
}
}
return NULL;
}
DAVResource* DAVCollection::childWithName(const string& name) const
{
return childWithUrl(urlForChildWithName(name));
}
std::string DAVCollection::urlForChildWithName(const std::string& name) const
{
return url() + "/" + name;
}
///////////////////////////////////////////////////////////////////////////////
class DAVMultiStatus::DAVMultiStatusPrivate
{
public:
DAVMultiStatusPrivate() :
parserInited(false),
valid(false)
{
rootResource = NULL;
}
void startElement (const char * name)
{
if (tagStack.empty()) {
if (strcmp(name, DAV_MULTISTATUS_TAG)) {
SG_LOG(SG_TERRASYNC, SG_WARN, "root element is not " <<
DAV_MULTISTATUS_TAG << ", got:" << name);
} else {
}
} else {
// not at the root element
if (tagStack.back() == DAV_MULTISTATUS_TAG) {
if (strcmp(name, DAV_RESPONSE_TAG)) {
SG_LOG(SG_TERRASYNC, SG_WARN, "multistatus child is not response: saw:"
<< name);
}
}
if (tagStack.back() == DAV_RESOURCE_TYPE_TAG) {
if (!strcmp(name, DAV_COLLECTION_TAG)) {
currentElementType = DAVResource::Collection;
} else {
currentElementType = DAVResource::Unknown;
}
}
}
tagStack.push_back(name);
if (!strcmp(name, DAV_RESPONSE_TAG)) {
currentElementType = DAVResource::Unknown;
currentElementUrl.clear();
currentElementMD5.clear();
currentVersionName.clear();
currentVCC.clear();
}
}
void endElement (const char * name)
{
assert(tagStack.back() == name);
tagStack.pop_back();
if (!strcmp(name, DAV_RESPONSE_TAG)) {
// finish complete response
currentElementUrl = strutils::strip(currentElementUrl);
DAVResource* res = NULL;
if (currentElementType == DAVResource::Collection) {
DAVCollection* col = new DAVCollection(currentElementUrl);
res = col;
} else {
res = new DAVResource(currentElementUrl);
}
res->setVersionName(strutils::strip(currentVersionName));
res->setVersionControlledConfiguration(currentVCC);
if (rootResource &&
strutils::starts_with(currentElementUrl, rootResource->url()))
{
static_cast<DAVCollection*>(rootResource)->addChild(res);
}
if (!rootResource) {
rootResource = res;
}
}
}
void data (const char * s, int length)
{
if (tagStack.back() == DAV_HREF_TAG) {
if (tagN(1) == DAV_RESPONSE_TAG) {
currentElementUrl += string(s, length);
} else if (tagN(1) == DAV_VCC_TAG) {
currentVCC += string(s, length);
}
} else if (tagStack.back() == SUBVERSION_MD5_CHECKSUM_TAG) {
currentElementMD5 = string(s, length);
} else if (tagStack.back() == DAV_VERSIONNAME_TAG) {
currentVersionName = string(s, length);
} else if (tagStack.back() == DAV_CONTENT_LENGTH_TAG) {
std::istringstream is(string(s, length));
is >> currentElementLength;
}
}
void pi (const char * target, const char * data) {}
string tagN(const unsigned int n) const
{
size_t sz = tagStack.size();
if (n >= sz) {
return string();
}
return tagStack[sz - (1 + n)];
}
bool parserInited;
bool valid;
XML_Parser xmlParser;
DAVResource* rootResource;
// in-flight data
string_list tagStack;
DAVResource::Type currentElementType;
string currentElementUrl,
currentVersionName,
currentVCC;
int currentElementLength;
string currentElementMD5;
};
////////////////////////////////////////////////////////////////////////
// Static callback functions for Expat.
////////////////////////////////////////////////////////////////////////
#define VISITOR static_cast<DAVMultiStatus::DAVMultiStatusPrivate *>(userData)
static void
start_element (void * userData, const char * name, const char ** atts)
{
VISITOR->startElement(name);
}
static void
end_element (void * userData, const char * name)
{
VISITOR->endElement(name);
}
static void
character_data (void * userData, const char * s, int len)
{
VISITOR->data(s, len);
}
static void
processing_instruction (void * userData,
const char * target,
const char * data)
{
VISITOR->pi(target, data);
}
#undef VISITOR
///////////////////////////////////////////////////////////////////////////////
DAVMultiStatus::DAVMultiStatus() :
_d(new DAVMultiStatusPrivate)
{
}
DAVMultiStatus::~DAVMultiStatus()
{
}
void DAVMultiStatus::parseXML(const char* data, int size)
{
if (!_d->parserInited) {
_d->xmlParser = XML_ParserCreateNS(0, ':');
XML_SetUserData(_d->xmlParser, _d.get());
XML_SetElementHandler(_d->xmlParser, start_element, end_element);
XML_SetCharacterDataHandler(_d->xmlParser, character_data);
XML_SetProcessingInstructionHandler(_d->xmlParser, processing_instruction);
_d->parserInited = true;
}
if (!XML_Parse(_d->xmlParser, data, size, false)) {
SG_LOG(SG_TERRASYNC, SG_WARN, "DAV parse error:" << XML_ErrorString(XML_GetErrorCode(_d->xmlParser))
<< " at line:" << XML_GetCurrentLineNumber(_d->xmlParser)
<< " column " << XML_GetCurrentColumnNumber(_d->xmlParser));
XML_ParserFree(_d->xmlParser);
_d->parserInited = false;
_d->valid = false;
}
}
void DAVMultiStatus::finishParse()
{
if (_d->parserInited) {
if (!XML_Parse(_d->xmlParser, NULL, 0, true)) {
SG_LOG(SG_TERRASYNC, SG_WARN, "DAV parse error:" << XML_ErrorString(XML_GetErrorCode(_d->xmlParser))
<< " at line:" << XML_GetCurrentLineNumber(_d->xmlParser)
<< " column " << XML_GetCurrentColumnNumber(_d->xmlParser));
_d->valid = false;
} else {
_d->valid = true;
}
XML_ParserFree(_d->xmlParser);
}
_d->parserInited = false;
}
DAVResource* DAVMultiStatus::resource()
{
return _d->rootResource;
}
bool DAVMultiStatus::isValid() const
{
return _d->valid;
}

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@@ -1,143 +0,0 @@
// DAVMultiStatus.hxx -- parser for WebDAV MultiStatus XML data
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifndef SG_IO_DAVMULTISTATUS_HXX
#define SG_IO_DAVMULTISTATUS_HXX
#include <string>
#include <vector>
#include <memory> // for auto_ptr
namespace simgear
{
class DAVCollection;
class DAVResource
{
public:
DAVResource(const std::string& url);
virtual ~DAVResource() { }
typedef enum {
Unknown = 0,
Collection = 1
} Type;
const Type type() const
{ return _type; }
const std::string& url() const
{ return _url; }
std::string name() const;
/**
* SVN servers use this field to expose the head revision
* of the resource, which is useful
*/
const std::string& versionName() const
{ return _versionName; }
void setVersionName(const std::string& aVersion);
DAVCollection* container() const
{ return _container; }
virtual bool isCollection() const
{ return false; }
void setVersionControlledConfiguration(const std::string& vcc);
const std::string& versionControlledConfiguration() const
{ return _vcc; }
void setMD5(const std::string& md5Hex);
const std::string& md5() const
{ return _md5; }
protected:
friend class DAVCollection;
Type _type;
std::string _url;
std::string _versionName;
std::string _vcc;
std::string _md5;
DAVCollection* _container;
};
typedef std::vector<DAVResource*> DAVResourceList;
class DAVCollection : public DAVResource
{
public:
DAVCollection(const std::string& url);
virtual ~DAVCollection();
DAVResourceList contents() const;
void addChild(DAVResource* res);
void removeChild(DAVResource* res);
DAVCollection* createChildCollection(const std::string& name);
/**
* find the collection member with the specified URL, or return NULL
* if no such member of this collection exists.
*/
DAVResource* childWithUrl(const std::string& url) const;
/**
* find the collection member with the specified name, or return NULL
*/
DAVResource* childWithName(const std::string& name) const;
/**
* wrapper around URL manipulation
*/
std::string urlForChildWithName(const std::string& name) const;
virtual bool isCollection() const
{ return true; }
private:
DAVResourceList _contents;
};
class DAVMultiStatus
{
public:
DAVMultiStatus();
~DAVMultiStatus();
// incremental XML parsing
void parseXML(const char* data, int size);
void finishParse();
bool isValid() const;
DAVResource* resource();
class DAVMultiStatusPrivate;
private:
std::auto_ptr<DAVMultiStatusPrivate> _d;
};
} // of namespace simgear
#endif // of SG_IO_DAVMULTISTATUS_HXX

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@@ -1,400 +0,0 @@
#include "SVNDirectory.hxx"
#include <cassert>
#include <fstream>
#include <iostream>
#include <boost/foreach.hpp>
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/strutils.hxx>
#include <simgear/misc/sg_dir.hxx>
#include <simgear/io/HTTPClient.hxx>
#include <simgear/io/DAVMultiStatus.hxx>
#include <simgear/io/SVNRepository.hxx>
#include <simgear/io/sg_file.hxx>
#include <simgear/io/SVNReportParser.hxx>
#include <simgear/package/md5.h>
#include <simgear/structure/exception.hxx>
using std::string;
using std::cout;
using std::endl;
using namespace simgear;
typedef std::vector<HTTP::Request_ptr> RequestVector;
typedef std::map<std::string, DAVResource*> DAVResourceMap;
const char* DAV_CACHE_NAME = ".terrasync_cache";
const char* CACHE_VERSION_4_TOKEN = "terrasync-cache-4";
// important: with the Google servers, setting this higher than '1' causes
// server internal errors (500, the connection is closed). In other words we
// can only specify update report items one level deep at most and no more.
// (the root and its direct children, not NOT grand-children)
const unsigned int MAX_UPDATE_REPORT_DEPTH = 1;
enum LineState
{
LINESTATE_HREF = 0,
LINESTATE_VERSIONNAME
};
SVNDirectory::SVNDirectory(SVNRepository *r, const SGPath& path) :
localPath(path),
dav(NULL),
repo(r),
_doingUpdateReport(false),
_parent(NULL)
{
if (path.exists()) {
parseCache();
}
// don't create dir here, repo might not exist at all
}
SVNDirectory::SVNDirectory(SVNDirectory* pr, DAVCollection* col) :
dav(col),
repo(pr->repository()),
_doingUpdateReport(false),
_parent(pr)
{
assert(col->container());
assert(!col->url().empty());
assert(_parent);
localPath = pr->fsDir().file(col->name());
if (!localPath.exists()) {
Dir d(localPath);
d.create(0755);
writeCache();
} else {
parseCache();
}
}
SVNDirectory::~SVNDirectory()
{
// recursive delete our child directories
BOOST_FOREACH(SVNDirectory* d, _children) {
delete d;
}
}
void SVNDirectory::parseCache()
{
SGPath p(localPath);
p.append(DAV_CACHE_NAME);
if (!p.exists()) {
return;
}
char href[1024];
char versionName[128];
LineState lineState = LINESTATE_HREF;
std::ifstream file(p.c_str());
if (!file.is_open()) {
SG_LOG(SG_TERRASYNC, SG_WARN, "unable to open cache file for reading:" << p);
return;
}
bool doneSelf = false;
file.getline(href, 1024);
if (strcmp(CACHE_VERSION_4_TOKEN, href)) {
SG_LOG(SG_TERRASYNC, SG_WARN, "invalid cache file [missing header token]:" << p << " '" << href << "'");
return;
}
std::string vccUrl;
file.getline(href, 1024);
vccUrl = href;
while (!file.eof()) {
if (lineState == LINESTATE_HREF) {
file.getline(href, 1024);
lineState = LINESTATE_VERSIONNAME;
} else {
assert(lineState == LINESTATE_VERSIONNAME);
file.getline(versionName, 1024);
lineState = LINESTATE_HREF;
char* hrefPtr = href;
if (!doneSelf) {
if (!dav) {
dav = new DAVCollection(hrefPtr);
dav->setVersionName(versionName);
} else {
assert(string(hrefPtr) == dav->url());
}
if (!vccUrl.empty()) {
dav->setVersionControlledConfiguration(vccUrl);
}
_cachedRevision = versionName;
doneSelf = true;
} else {
DAVResource* child = parseChildDirectory(hrefPtr)->collection();
string s = strutils::strip(versionName);
if (!s.empty()) {
child->setVersionName(versionName);
}
} // of done self test
} // of line-state switching
} // of file get-line loop
}
void SVNDirectory::writeCache()
{
SGPath p(localPath);
if (!p.exists()) {
Dir d(localPath);
d.create(0755);
}
p.append(string(DAV_CACHE_NAME) + ".new");
std::ofstream file(p.c_str(), std::ios::trunc);
// first, cache file version header
file << CACHE_VERSION_4_TOKEN << '\n';
// second, the repository VCC url
file << dav->versionControlledConfiguration() << '\n';
// third, our own URL, and version
file << dav->url() << '\n' << _cachedRevision << '\n';
BOOST_FOREACH(DAVResource* child, dav->contents()) {
if (child->isCollection()) {
file << child->name() << '\n' << child->versionName() << "\n";
}
} // of child iteration
file.close();
// approximately atomic delete + rename operation
SGPath cacheName(localPath);
cacheName.append(DAV_CACHE_NAME);
p.rename(cacheName);
}
void SVNDirectory::setBaseUrl(const string& url)
{
if (_parent) {
SG_LOG(SG_TERRASYNC, SG_ALERT, "setting base URL on non-root directory " << url);
return;
}
if (dav && (url == dav->url())) {
return;
}
dav = new DAVCollection(url);
}
std::string SVNDirectory::url() const
{
if (!_parent) {
return repo->baseUrl();
}
return _parent->url() + "/" + name();
}
std::string SVNDirectory::name() const
{
return dav->name();
}
DAVResource*
SVNDirectory::addChildFile(const std::string& fileName)
{
DAVResource* child = NULL;
child = new DAVResource(dav->urlForChildWithName(fileName));
dav->addChild(child);
writeCache();
return child;
}
SVNDirectory*
SVNDirectory::addChildDirectory(const std::string& dirName)
{
if (dav->childWithName(dirName)) {
// existing child, let's remove it
deleteChildByName(dirName);
}
DAVCollection* childCol = dav->createChildCollection(dirName);
SVNDirectory* child = new SVNDirectory(this, childCol);
childCol->setVersionName(child->cachedRevision());
_children.push_back(child);
writeCache();
return child;
}
SVNDirectory*
SVNDirectory::parseChildDirectory(const std::string& dirName)
{
assert(!dav->childWithName(dirName));
DAVCollection* childCol = dav->createChildCollection(dirName);
SVNDirectory* child = new SVNDirectory(this, childCol);
childCol->setVersionName(child->cachedRevision());
_children.push_back(child);
return child;
}
void SVNDirectory::deleteChildByName(const std::string& nm)
{
DAVResource* child = dav->childWithName(nm);
if (!child) {
return;
}
SGPath path = fsDir().file(nm);
if (child->isCollection()) {
Dir d(path);
bool ok = d.remove(true);
if (!ok) {
SG_LOG(SG_TERRASYNC, SG_ALERT, "SVNDirectory::deleteChildByName: failed to remove dir:"
<< nm << " at path:\n\t" << path);
}
DirectoryList::iterator it = findChildDir(nm);
if (it != _children.end()) {
SVNDirectory* c = *it;
delete c;
_children.erase(it);
}
} else {
bool ok = path.remove();
if (!ok) {
SG_LOG(SG_TERRASYNC, SG_ALERT, "SVNDirectory::deleteChildByName: failed to remove path:" << nm
<< " at path:\n\t" << path);
}
}
dav->removeChild(child);
delete child;
writeCache();
}
bool SVNDirectory::isDoingSync() const
{
if (_doingUpdateReport) {
return true;
}
BOOST_FOREACH(SVNDirectory* child, _children) {
if (child->isDoingSync()) {
return true;
} // of children
}
return false;
}
void SVNDirectory::beginUpdateReport()
{
_doingUpdateReport = true;
_cachedRevision.clear();
writeCache();
}
void SVNDirectory::updateReportComplete()
{
_cachedRevision = dav->versionName();
_doingUpdateReport = false;
writeCache();
SVNDirectory* pr = parent();
if (pr) {
pr->writeCache();
}
}
SVNRepository* SVNDirectory::repository() const
{
return repo;
}
void SVNDirectory::mergeUpdateReportDetails(unsigned int depth,
string_list& items)
{
// normal, easy case: we are fully in-sync at a revision
if (!_cachedRevision.empty()) {
std::ostringstream os;
os << "<S:entry rev=\"" << _cachedRevision << "\" depth=\"infinity\">"
<< repoPath() << "</S:entry>";
items.push_back(os.str());
return;
}
Dir d(localPath);
if (depth >= MAX_UPDATE_REPORT_DEPTH) {
d.removeChildren();
return;
}
PathList cs = d.children(Dir::NO_DOT_OR_DOTDOT | Dir::INCLUDE_HIDDEN | Dir::TYPE_DIR);
BOOST_FOREACH(SGPath path, cs) {
SVNDirectory* c = child(path.file());
if (!c) {
// ignore this child, if it's an incomplete download,
// it will be over-written on the update anyway
//std::cerr << "unknown SVN child" << path << std::endl;
} else {
// recurse down into children
c->mergeUpdateReportDetails(depth+1, items);
}
} // of child dir iteration
}
std::string SVNDirectory::repoPath() const
{
if (!_parent) {
return "/";
}
// find the length of the repository base URL, then
// trim that off our repo URL - job done!
size_t baseUrlLen = repo->baseUrl().size();
return dav->url().substr(baseUrlLen + 1);
}
SVNDirectory* SVNDirectory::parent() const
{
return _parent;
}
SVNDirectory* SVNDirectory::child(const std::string& dirName) const
{
BOOST_FOREACH(SVNDirectory* d, _children) {
if (d->name() == dirName) {
return d;
}
}
return NULL;
}
DirectoryList::iterator
SVNDirectory::findChildDir(const std::string& dirName)
{
DirectoryList::iterator it;
for (it=_children.begin(); it != _children.end(); ++it) {
if ((*it)->name() == dirName) {
return it;
}
}
return it;
}
simgear::Dir SVNDirectory::fsDir() const
{
return Dir(localPath);
}

View File

@@ -1,109 +0,0 @@
// DAVCollectionMirror.hxx - mirror a DAV collection to the local filesystem
//
// Copyright (C) 2013 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifndef SG_IO_DAVCOLLECTIONMIRROR_HXX
#define SG_IO_DAVCOLLECTIONMIRROR_HXX
#include <string>
#include <vector>
#include <memory>
#include <simgear/misc/sg_path.hxx>
#include <simgear/misc/strutils.hxx>
#include <simgear/io/DAVMultiStatus.hxx>
namespace simgear {
class Dir;
namespace HTTP { class Request; }
// forward decls
class DAVMirror;
class SVNRepository;
class SVNDirectory;
typedef std::vector<SVNDirectory*> DirectoryList;
class SVNDirectory
{
public:
// init from local
SVNDirectory(SVNRepository *repo, const SGPath& path);
~SVNDirectory();
void setBaseUrl(const std::string& url);
// init from a collection
SVNDirectory(SVNDirectory* pr, DAVCollection* col);
void beginUpdateReport();
void updateReportComplete();
bool isDoingSync() const;
std::string url() const;
std::string name() const;
DAVResource* addChildFile(const std::string& fileName);
SVNDirectory* addChildDirectory(const std::string& dirName);
// void updateChild(DAVResource* child);
void deleteChildByName(const std::string& name);
SGPath fsPath() const
{ return localPath; }
simgear::Dir fsDir() const;
std::string repoPath() const;
SVNRepository* repository() const;
DAVCollection* collection() const
{ return dav; }
std::string cachedRevision() const
{ return _cachedRevision; }
void mergeUpdateReportDetails(unsigned int depth, string_list& items);
SVNDirectory* parent() const;
SVNDirectory* child(const std::string& dirName) const;
private:
void parseCache();
void writeCache();
DirectoryList::iterator findChildDir(const std::string& dirName);
SVNDirectory* parseChildDirectory(const std::string& dirName);
SGPath localPath;
DAVCollection* dav;
SVNRepository* repo;
std::string _cachedRevision;
bool _doingUpdateReport;
SVNDirectory* _parent;
DirectoryList _children;
};
} // of namespace simgear
#endif // of SG_IO_DAVCOLLECTIONMIRROR_HXX

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@@ -1,605 +0,0 @@
// SVNReportParser -- parser for SVN report XML data
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifdef HAVE_CONFIG_H
# include <simgear_config.h>
#endif
#include "SVNReportParser.hxx"
#include <iostream>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <sstream>
#include <fstream>
#include <boost/foreach.hpp>
#include "simgear/misc/sg_path.hxx"
#include "simgear/misc/sg_dir.hxx"
#include "simgear/debug/logstream.hxx"
#include "simgear/xml/easyxml.hxx"
#include "simgear/misc/strutils.hxx"
#include "simgear/package/md5.h"
#ifdef SYSTEM_EXPAT
# include <expat.h>
#else
# include "sg_expat.h"
#endif
#include "SVNDirectory.hxx"
#include "SVNRepository.hxx"
#include "DAVMultiStatus.hxx"
using std::cout;
using std::cerr;
using std::endl;
using std::string;
using namespace simgear;
#define DAV_NS "DAV::"
#define SVN_NS "svn::"
#define SUBVERSION_DAV_NS "http://subversion.tigris.org/xmlns/dav/"
namespace {
#define MAX_ENCODED_INT_LEN 10
static size_t
decode_size(unsigned char* &p,
const unsigned char *end)
{
if (p + MAX_ENCODED_INT_LEN < end)
end = p + MAX_ENCODED_INT_LEN;
/* Decode bytes until we're done. */
size_t result = 0;
while (p < end) {
result = (result << 7) | (*p & 0x7f);
if (((*p++ >> 7) & 0x1) == 0) {
break;
}
}
return result;
}
static bool
try_decode_size(unsigned char* &p,
const unsigned char *end)
{
if (p + MAX_ENCODED_INT_LEN < end)
end = p + MAX_ENCODED_INT_LEN;
while (p < end) {
if (((*p++ >> 7) & 0x1) == 0) {
return true;
}
}
return false;
}
// const char* SVN_UPDATE_REPORT_TAG = SVN_NS "update-report";
// const char* SVN_TARGET_REVISION_TAG = SVN_NS "target-revision";
const char* SVN_OPEN_DIRECTORY_TAG = SVN_NS "open-directory";
const char* SVN_OPEN_FILE_TAG = SVN_NS "open-file";
const char* SVN_ADD_DIRECTORY_TAG = SVN_NS "add-directory";
const char* SVN_ADD_FILE_TAG = SVN_NS "add-file";
const char* SVN_TXDELTA_TAG = SVN_NS "txdelta";
const char* SVN_SET_PROP_TAG = SVN_NS "set-prop";
const char* SVN_PROP_TAG = SVN_NS "prop";
const char* SVN_DELETE_ENTRY_TAG = SVN_NS "delete-entry";
const char* SVN_DAV_MD5_CHECKSUM = SUBVERSION_DAV_NS ":md5-checksum";
const char* DAV_HREF_TAG = DAV_NS "href";
const char* DAV_CHECKED_IN_TAG = DAV_NS "checked-in";
const int svn_txdelta_source = 0;
const int svn_txdelta_target = 1;
const int svn_txdelta_new = 2;
const size_t DELTA_HEADER_SIZE = 4;
/**
* helper struct to decode and store the SVN delta header
* values
*/
struct SVNDeltaWindow
{
public:
static bool isWindowComplete(unsigned char* buffer, size_t bytes)
{
unsigned char* p = buffer;
unsigned char* pEnd = p + bytes;
// if we can't decode five sizes, certainly incomplete
for (int i=0; i<5; i++) {
if (!try_decode_size(p, pEnd)) {
return false;
}
}
p = buffer;
// ignore these three
decode_size(p, pEnd);
decode_size(p, pEnd);
decode_size(p, pEnd);
size_t instructionLen = decode_size(p, pEnd);
size_t newLength = decode_size(p, pEnd);
size_t headerLength = p - buffer;
return (bytes >= (instructionLen + newLength + headerLength));
}
SVNDeltaWindow(unsigned char* p) :
headerLength(0),
_ptr(p)
{
sourceViewOffset = decode_size(p, p+20);
sourceViewLength = decode_size(p, p+20);
targetViewLength = decode_size(p, p+20);
instructionLength = decode_size(p, p+20);
newLength = decode_size(p, p+20);
headerLength = p - _ptr;
_ptr = p;
}
bool apply(std::vector<unsigned char>& output, std::istream& source)
{
unsigned char* pEnd = _ptr + instructionLength;
unsigned char* newData = pEnd;
while (_ptr < pEnd) {
int op = ((*_ptr >> 6) & 0x3);
if (op >= 3) {
SG_LOG(SG_IO, SG_INFO, "SVNDeltaWindow: bad opcode:" << op);
return false;
}
int length = *_ptr++ & 0x3f;
int offset = 0;
if (length == 0) {
length = decode_size(_ptr, pEnd);
}
if (length == 0) {
SG_LOG(SG_IO, SG_INFO, "SVNDeltaWindow: malformed stream, 0 length" << op);
return false;
}
// if op != new, decode another size value
if (op != svn_txdelta_new) {
offset = decode_size(_ptr, pEnd);
}
if (op == svn_txdelta_target) {
// this is inefficent, but ranges can overlap.
while (length > 0) {
output.push_back(output[offset++]);
--length;
}
} else if (op == svn_txdelta_new) {
output.insert(output.end(), newData, newData + length);
newData += length;
} else if (op == svn_txdelta_source) {
source.seekg(offset);
char* sourceBuf = (char*) malloc(length);
assert(sourceBuf);
source.read(sourceBuf, length);
output.insert(output.end(), sourceBuf, sourceBuf + length);
free(sourceBuf);
} else {
SG_LOG(SG_IO, SG_WARN, "bad opcode logic");
return false;
}
} // of instruction loop
return true;
}
size_t size() const
{
return headerLength + instructionLength + newLength;
}
unsigned int sourceViewOffset;
size_t sourceViewLength,
targetViewLength;
size_t headerLength,
instructionLength,
newLength;
private:
unsigned char* _ptr;
};
} // of anonymous namespace
class SVNReportParser::SVNReportParserPrivate
{
public:
SVNReportParserPrivate(SVNRepository* repo) :
tree(repo),
status(AbstractRepository::REPO_NO_ERROR),
parserInited(false),
currentPath(repo->fsBase())
{
inFile = false;
currentDir = repo->rootDir();
}
~SVNReportParserPrivate()
{
}
void startElement (const char * name, const char** attributes)
{
if (status != AbstractRepository::REPO_NO_ERROR) {
return;
}
ExpatAtts attrs(attributes);
tagStack.push_back(name);
if (!strcmp(name, SVN_TXDELTA_TAG)) {
txDeltaData.clear();
} else if (!strcmp(name, SVN_ADD_FILE_TAG)) {
string fileName(attrs.getValue("name"));
SGPath filePath(currentDir->fsDir().file(fileName));
currentPath = filePath;
inFile = true;
} else if (!strcmp(name, SVN_OPEN_FILE_TAG)) {
string fileName(attrs.getValue("name"));
SGPath filePath(Dir(currentPath).file(fileName));
currentPath = filePath;
if (!filePath.exists()) {
fail(AbstractRepository::REPO_ERROR_FILE_NOT_FOUND);
return;
}
inFile = true;
} else if (!strcmp(name, SVN_ADD_DIRECTORY_TAG)) {
string dirName(attrs.getValue("name"));
Dir d(currentDir->fsDir().file(dirName));
if (d.exists()) {
// policy decision : if we're doing an add, wipe the existing
d.remove(true);
}
currentDir = currentDir->addChildDirectory(dirName);
currentPath = currentDir->fsPath();
currentDir->beginUpdateReport();
//cout << "addDir:" << currentPath << endl;
} else if (!strcmp(name, SVN_SET_PROP_TAG)) {
setPropName = attrs.getValue("name");
setPropValue.clear();
} else if (!strcmp(name, SVN_DAV_MD5_CHECKSUM)) {
md5Sum.clear();
} else if (!strcmp(name, SVN_OPEN_DIRECTORY_TAG)) {
string dirName;
if (attrs.getValue("name")) {
dirName = string(attrs.getValue("name"));
}
openDirectory(dirName);
} else if (!strcmp(name, SVN_DELETE_ENTRY_TAG)) {
string entryName(attrs.getValue("name"));
deleteEntry(entryName);
} else if (!strcmp(name, DAV_CHECKED_IN_TAG) ||
!strcmp(name, DAV_HREF_TAG) ||
!strcmp(name, SVN_PROP_TAG)) {
// don't warn on these ones
} else {
//SG_LOG(SG_IO, SG_WARN, "SVNReportParser: unhandled tag:" << name);
}
} // of startElement
void openDirectory(const std::string& dirName)
{
if (dirName.empty()) {
// root directory, we shall assume
currentDir = tree->rootDir();
} else {
assert(currentDir);
currentDir = currentDir->child(dirName);
}
assert(currentDir);
currentPath = currentDir->fsPath();
currentDir->beginUpdateReport();
}
void deleteEntry(const std::string& entryName)
{
currentDir->deleteChildByName(entryName);
}
bool decodeTextDelta(const SGPath& outputPath)
{
std::vector<unsigned char> output, decoded;
strutils::decodeBase64(txDeltaData, decoded);
size_t bytesToDecode = decoded.size();
unsigned char* p = decoded.data();
if (memcmp(p, "SVN\0", DELTA_HEADER_SIZE) != 0) {
return false; // bad header
}
bytesToDecode -= DELTA_HEADER_SIZE;
p += DELTA_HEADER_SIZE;
std::ifstream source;
source.open(outputPath.c_str(), std::ios::in | std::ios::binary);
while (bytesToDecode > 0) {
if (!SVNDeltaWindow::isWindowComplete(p, bytesToDecode)) {
SG_LOG(SG_IO, SG_WARN, "SVN txdelta broken window");
return false;
}
SVNDeltaWindow window(p);
assert(bytesToDecode >= window.size());
window.apply(output, source);
bytesToDecode -= window.size();
p += window.size();
}
source.close();
std::ofstream f;
f.open(outputPath.c_str(),
std::ios::out | std::ios::trunc | std::ios::binary);
f.write((char*) output.data(), output.size());
// compute MD5 while we have the file in memory
memset(&md5Context, 0, sizeof(SG_MD5_CTX));
SG_MD5Init(&md5Context);
SG_MD5Update(&md5Context, (unsigned char*) output.data(), output.size());
unsigned char digest[MD5_DIGEST_LENGTH];
SG_MD5Final(digest, &md5Context);
decodedFileMd5 = strutils::encodeHex(digest, MD5_DIGEST_LENGTH);
return true;
}
void endElement (const char * name)
{
if (status != SVNRepository::REPO_NO_ERROR) {
return;
}
assert(tagStack.back() == name);
tagStack.pop_back();
if (!strcmp(name, SVN_TXDELTA_TAG)) {
if (!decodeTextDelta(currentPath)) {
fail(SVNRepository::SVN_ERROR_TXDELTA);
}
} else if (!strcmp(name, SVN_ADD_FILE_TAG)) {
finishFile(currentPath);
} else if (!strcmp(name, SVN_OPEN_FILE_TAG)) {
finishFile(currentPath);
} else if (!strcmp(name, SVN_ADD_DIRECTORY_TAG)) {
// pop directory
currentPath = currentPath.dir();
currentDir->updateReportComplete();
currentDir = currentDir->parent();
} else if (!strcmp(name, SVN_SET_PROP_TAG)) {
if (setPropName == "svn:entry:committed-rev") {
revision = strutils::to_int(setPropValue);
currentVersionName = setPropValue;
if (!inFile) {
// for directories we have the resource already
// for adding files, we might not; we set the version name
// above when ending the add/open-file element
currentDir->collection()->setVersionName(currentVersionName);
}
}
} else if (!strcmp(name, SVN_DAV_MD5_CHECKSUM)) {
// validate against (presumably) just written file
if (decodedFileMd5 != md5Sum) {
fail(SVNRepository::REPO_ERROR_CHECKSUM);
}
} else if (!strcmp(name, SVN_OPEN_DIRECTORY_TAG)) {
currentDir->updateReportComplete();
if (currentDir->parent()) {
// pop the collection stack
currentDir = currentDir->parent();
}
currentPath = currentDir->fsPath();
} else {
// std::cout << "element:" << name;
}
}
void finishFile(const SGPath& path)
{
currentPath = path.dir();
inFile = false;
}
void data (const char * s, int length)
{
if (status != SVNRepository::REPO_NO_ERROR) {
return;
}
if (tagStack.back() == SVN_SET_PROP_TAG) {
setPropValue.append(s, length);
} else if (tagStack.back() == SVN_TXDELTA_TAG) {
txDeltaData.append(s, length);
} else if (tagStack.back() == SVN_DAV_MD5_CHECKSUM) {
md5Sum.append(s, length);
}
}
void pi (const char * target, const char * data) {}
string tagN(const unsigned int n) const
{
size_t sz = tagStack.size();
if (n >= sz) {
return string();
}
return tagStack[sz - (1 + n)];
}
void fail(SVNRepository::ResultCode err)
{
status = err;
}
SVNRepository* tree;
DAVCollection* rootCollection;
SVNDirectory* currentDir;
SVNRepository::ResultCode status;
bool parserInited;
XML_Parser xmlParser;
// in-flight data
string_list tagStack;
string currentVersionName;
string txDeltaData;
SGPath currentPath;
bool inFile;
unsigned int revision;
SG_MD5_CTX md5Context;
string md5Sum, decodedFileMd5;
std::string setPropName, setPropValue;
};
////////////////////////////////////////////////////////////////////////
// Static callback functions for Expat.
////////////////////////////////////////////////////////////////////////
#define VISITOR static_cast<SVNReportParser::SVNReportParserPrivate *>(userData)
static void
start_element (void * userData, const char * name, const char ** atts)
{
VISITOR->startElement(name, atts);
}
static void
end_element (void * userData, const char * name)
{
VISITOR->endElement(name);
}
static void
character_data (void * userData, const char * s, int len)
{
VISITOR->data(s, len);
}
static void
processing_instruction (void * userData,
const char * target,
const char * data)
{
VISITOR->pi(target, data);
}
#undef VISITOR
///////////////////////////////////////////////////////////////////////////////
SVNReportParser::SVNReportParser(SVNRepository* repo) :
_d(new SVNReportParserPrivate(repo))
{
}
SVNReportParser::~SVNReportParser()
{
}
SVNRepository::ResultCode
SVNReportParser::innerParseXML(const char* data, int size)
{
if (_d->status != SVNRepository::REPO_NO_ERROR) {
return _d->status;
}
bool isEnd = (data == NULL);
if (!XML_Parse(_d->xmlParser, data, size, isEnd)) {
SG_LOG(SG_IO, SG_INFO, "SVN parse error:" << XML_ErrorString(XML_GetErrorCode(_d->xmlParser))
<< " at line:" << XML_GetCurrentLineNumber(_d->xmlParser)
<< " column " << XML_GetCurrentColumnNumber(_d->xmlParser));
XML_ParserFree(_d->xmlParser);
_d->parserInited = false;
return SVNRepository::SVN_ERROR_XML;
} else if (isEnd) {
XML_ParserFree(_d->xmlParser);
_d->parserInited = false;
}
return _d->status;
}
SVNRepository::ResultCode
SVNReportParser::parseXML(const char* data, int size)
{
if (_d->status != SVNRepository::REPO_NO_ERROR) {
return _d->status;
}
if (!_d->parserInited) {
_d->xmlParser = XML_ParserCreateNS(0, ':');
XML_SetUserData(_d->xmlParser, _d.get());
XML_SetElementHandler(_d->xmlParser, start_element, end_element);
XML_SetCharacterDataHandler(_d->xmlParser, character_data);
XML_SetProcessingInstructionHandler(_d->xmlParser, processing_instruction);
_d->parserInited = true;
}
return innerParseXML(data, size);
}
SVNRepository::ResultCode SVNReportParser::finishParse()
{
if (_d->status != SVNRepository::REPO_NO_ERROR) {
return _d->status;
}
return innerParseXML(NULL, 0);
}
std::string SVNReportParser::etagFromRevision(unsigned int revision)
{
// etags look like W/"7//", hopefully this is stable
// across different servers and similar
std::ostringstream os;
os << "W/\"" << revision << "//";
return os.str();
}

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@@ -1,57 +0,0 @@
// SVNReportParser -- parser for SVN report XML data
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifndef SG_IO_SVNREPORTPARSER_HXX
#define SG_IO_SVNREPORTPARSER_HXX
#include <string>
#include <memory> // for auto_ptr
#include "SVNRepository.hxx"
class SGPath;
namespace simgear
{
class SVNRepository;
class SVNReportParser
{
public:
SVNReportParser(SVNRepository* repo);
~SVNReportParser();
// incremental XML parsing
SVNRepository::ResultCode parseXML(const char* data, int size);
SVNRepository::ResultCode finishParse();
static std::string etagFromRevision(unsigned int revision);
class SVNReportParserPrivate;
private:
SVNRepository::ResultCode innerParseXML(const char* data, int size);
std::auto_ptr<SVNReportParserPrivate> _d;
};
} // of namespace simgear
#endif // of SG_IO_SVNREPORTPARSER_HXX

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@@ -1,386 +0,0 @@
// DAVMirrorTree -- mirror a DAV tree to the local file-system
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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 "SVNRepository.hxx"
#include <iostream>
#include <cstring>
#include <cassert>
#include <algorithm>
#include <sstream>
#include <map>
#include <set>
#include <fstream>
#include <memory>
#include <boost/foreach.hpp>
#include "simgear/debug/logstream.hxx"
#include "simgear/misc/strutils.hxx"
#include <simgear/misc/sg_dir.hxx>
#include <simgear/io/HTTPClient.hxx>
#include <simgear/io/DAVMultiStatus.hxx>
#include <simgear/io/SVNDirectory.hxx>
#include <simgear/io/sg_file.hxx>
#include <simgear/io/SVNReportParser.hxx>
using std::cout;
using std::cerr;
using std::endl;
using std::string;
namespace simgear
{
typedef std::vector<HTTP::Request_ptr> RequestVector;
class SVNRepoPrivate
{
public:
SVNRepoPrivate(SVNRepository* parent) :
p(parent),
isUpdating(false),
status(SVNRepository::REPO_NO_ERROR)
{ ; }
SVNRepository* p; // link back to outer
SVNDirectory* rootCollection;
HTTP::Client* http;
std::string baseUrl;
std::string vccUrl;
std::string targetRevision;
bool isUpdating;
SVNRepository::ResultCode status;
void svnUpdateDone()
{
isUpdating = false;
}
void updateFailed(HTTP::Request* req, SVNRepository::ResultCode err)
{
SG_LOG(SG_TERRASYNC, SG_WARN, "SVN: failed to update from:" << req->url()
<< "\n(repository:" << p->baseUrl() << ")");
isUpdating = false;
status = err;
}
void propFindComplete(HTTP::Request* req, DAVCollection* col);
void propFindFailed(HTTP::Request* req, SVNRepository::ResultCode err);
};
namespace { // anonmouse
string makeAbsoluteUrl(const string& url, const string& base)
{
if (strutils::starts_with(url, "http://"))
return url; // already absolute
assert(strutils::starts_with(base, "http://"));
int schemeEnd = base.find("://");
int hostEnd = base.find('/', schemeEnd + 3);
if (hostEnd < 0) {
return url;
}
return base.substr(0, hostEnd) + url;
}
// keep the responses small by only requesting the properties we actually
// care about; the ETag, length and MD5-sum
const char* PROPFIND_REQUEST_BODY =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>"
"<D:propfind xmlns:D=\"DAV:\">"
"<D:prop xmlns:R=\"http://subversion.tigris.org/xmlns/dav/\">"
"<D:resourcetype/>"
"<D:version-name/>"
"<D:version-controlled-configuration/>"
"</D:prop>"
"</D:propfind>";
class PropFindRequest : public HTTP::Request
{
public:
PropFindRequest(SVNRepoPrivate* repo) :
Request(repo->baseUrl, "PROPFIND"),
_repo(repo)
{
assert(repo);
requestHeader("Depth") = "0";
setBodyData( PROPFIND_REQUEST_BODY,
"application/xml; charset=\"utf-8\"" );
}
protected:
virtual void responseHeadersComplete()
{
if (responseCode() == 207) {
// fine
} else if (responseCode() == 404) {
_repo->propFindFailed(this, SVNRepository::REPO_ERROR_NOT_FOUND);
} else {
SG_LOG(SG_TERRASYNC, SG_WARN, "request for:" << url() <<
" return code " << responseCode());
_repo->propFindFailed(this, SVNRepository::REPO_ERROR_SOCKET);
_repo = NULL;
}
Request::responseHeadersComplete();
}
virtual void onDone()
{
if (responseCode() == 207) {
_davStatus.finishParse();
if (_davStatus.isValid()) {
_repo->propFindComplete(this, (DAVCollection*) _davStatus.resource());
} else {
_repo->propFindFailed(this, SVNRepository::REPO_ERROR_SOCKET);
}
}
}
virtual void gotBodyData(const char* s, int n)
{
if (responseCode() != 207) {
return;
}
_davStatus.parseXML(s, n);
}
virtual void onFail()
{
HTTP::Request::onFail();
if (_repo) {
_repo->propFindFailed(this, SVNRepository::REPO_ERROR_SOCKET);
_repo = NULL;
}
}
private:
SVNRepoPrivate* _repo;
DAVMultiStatus _davStatus;
};
class UpdateReportRequest:
public HTTP::Request
{
public:
UpdateReportRequest(SVNRepoPrivate* repo,
const std::string& aVersionName,
bool startEmpty) :
HTTP::Request("", "REPORT"),
_parser(repo->p),
_repo(repo),
_failed(false)
{
setUrl(repo->vccUrl);
std::string request =
"<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
"<S:update-report send-all=\"true\" xmlns:S=\"svn:\">\n"
"<S:src-path>" + repo->baseUrl + "</S:src-path>\n"
"<S:depth>unknown</S:depth>\n"
"<S:entry rev=\"" + aVersionName + "\" depth=\"infinity\" start-empty=\"true\"/>\n";
if( !startEmpty )
{
string_list entries;
_repo->rootCollection->mergeUpdateReportDetails(0, entries);
BOOST_FOREACH(string e, entries)
{
request += e + "\n";
}
}
request += "</S:update-report>";
setBodyData(request, "application/xml; charset=\"utf-8\"");
}
protected:
virtual void onDone()
{
if (_failed) {
return;
}
if (responseCode() == 200) {
SVNRepository::ResultCode err = _parser.finishParse();
if (err) {
_repo->updateFailed(this, err);
_failed = true;
} else {
_repo->svnUpdateDone();
}
} else if (responseCode() == 404) {
_repo->updateFailed(this, SVNRepository::REPO_ERROR_NOT_FOUND);
_failed = true;
} else {
SG_LOG(SG_TERRASYNC, SG_WARN, "SVN: request for:" << url() <<
" got HTTP status " << responseCode());
_repo->updateFailed(this, SVNRepository::REPO_ERROR_HTTP);
_failed = true;
}
}
virtual void gotBodyData(const char* s, int n)
{
if (_failed) {
return;
}
if (responseCode() != 200) {
return;
}
SVNRepository::ResultCode err = _parser.parseXML(s, n);
if (err) {
_failed = true;
SG_LOG(SG_IO, SG_WARN, this << ": SVN: request for:" << url() << " failed:" << err);
_repo->updateFailed(this, err);
_repo = NULL;
}
}
virtual void onFail()
{
HTTP::Request::onFail();
if (_repo) {
_repo->updateFailed(this, SVNRepository::REPO_ERROR_SOCKET);
_repo = NULL;
}
}
private:
SVNReportParser _parser;
SVNRepoPrivate* _repo;
bool _failed;
};
} // anonymous
SVNRepository::SVNRepository(const SGPath& base, HTTP::Client *cl) :
_d(new SVNRepoPrivate(this))
{
_d->http = cl;
_d->rootCollection = new SVNDirectory(this, base);
_d->baseUrl = _d->rootCollection->url();
}
SVNRepository::~SVNRepository()
{
delete _d->rootCollection;
}
void SVNRepository::setBaseUrl(const std::string &url)
{
_d->baseUrl = url;
_d->rootCollection->setBaseUrl(url);
}
std::string SVNRepository::baseUrl() const
{
return _d->baseUrl;
}
HTTP::Client* SVNRepository::http() const
{
return _d->http;
}
SGPath SVNRepository::fsBase() const
{
return _d->rootCollection->fsPath();
}
bool SVNRepository::isBare() const
{
if (!fsBase().exists() || Dir(fsBase()).isEmpty()) {
return true;
}
if (_d->vccUrl.empty()) {
return true;
}
return false;
}
void SVNRepository::update()
{
_d->status = REPO_NO_ERROR;
if (_d->targetRevision.empty() || _d->vccUrl.empty()) {
_d->isUpdating = true;
PropFindRequest* pfr = new PropFindRequest(_d.get());
http()->makeRequest(pfr);
return;
}
if (_d->targetRevision == rootDir()->cachedRevision()) {
SG_LOG(SG_TERRASYNC, SG_DEBUG, baseUrl() << " in sync at version " << _d->targetRevision);
_d->isUpdating = false;
return;
}
_d->isUpdating = true;
UpdateReportRequest* urr = new UpdateReportRequest(_d.get(),
_d->targetRevision, isBare());
http()->makeRequest(urr);
}
bool SVNRepository::isDoingSync() const
{
if (_d->status != REPO_NO_ERROR) {
return false;
}
return _d->isUpdating || _d->rootCollection->isDoingSync();
}
SVNDirectory* SVNRepository::rootDir() const
{
return _d->rootCollection;
}
SVNRepository::ResultCode
SVNRepository::failure() const
{
return _d->status;
}
///////////////////////////////////////////////////////////////////////////
void SVNRepoPrivate::propFindComplete(HTTP::Request* req, DAVCollection* c)
{
targetRevision = c->versionName();
vccUrl = makeAbsoluteUrl(c->versionControlledConfiguration(), baseUrl);
rootCollection->collection()->setVersionControlledConfiguration(vccUrl);
p->update();
}
void SVNRepoPrivate::propFindFailed(HTTP::Request *req, SVNRepository::ResultCode err)
{
if (err != SVNRepository::REPO_ERROR_NOT_FOUND) {
SG_LOG(SG_TERRASYNC, SG_WARN, "PropFind failed for:" << req->url());
}
isUpdating = false;
status = err;
}
} // of namespace simgear

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@@ -1,59 +0,0 @@
// DAVMirrorTree.hxx - mirror a DAV tree to the local file system
//
// Copyright (C) 2012 James Turner <zakalawe@mac.com>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// 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.
#ifndef SG_IO_SVN_REPOSITORY_HXX
#define SG_IO_SVN_REPOSITORY_HXX
#include <simgear/io/AbstractRepository.hxx>
#include <memory>
namespace simgear {
class SVNDirectory;
class SVNRepoPrivate;
class SVNRepository : public AbstractRepository
{
public:
SVNRepository(const SGPath& root, HTTP::Client* cl);
virtual ~SVNRepository();
SVNDirectory* rootDir() const;
virtual SGPath fsBase() const;
virtual void setBaseUrl(const std::string& url);
virtual std::string baseUrl() const;
virtual HTTP::Client* http() const;
virtual void update();
virtual bool isDoingSync() const;
virtual ResultCode failure() const;
private:
bool isBare() const;
std::auto_ptr<SVNRepoPrivate> _d;
};
} // of namespace simgear
#endif // of SG_IO_SVN_REPOSITORY_HXX

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@@ -1,51 +0,0 @@
#include <cstdio>
#include <cstring>
#include <signal.h>
#include <iostream>
#include <boost/foreach.hpp>
#include <simgear/io/sg_file.hxx>
#include <simgear/io/HTTPClient.hxx>
#include <simgear/io/HTTPRequest.hxx>
#include <simgear/io/sg_netChannel.hxx>
#include <simgear/io/DAVMultiStatus.hxx>
#include <simgear/io/SVNRepository.hxx>
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/strutils.hxx>
#include <simgear/timing/timestamp.hxx>
using namespace simgear;
using std::cout;
using std::endl;
using std::cerr;
using std::string;
HTTP::Client* httpClient;
int main(int argc, char* argv[])
{
sglog().setLogLevels( SG_ALL, SG_INFO );
HTTP::Client cl;
httpClient = &cl;
SGPath p("/Users/jmt/Desktop/traffic");
SVNRepository airports(p, &cl);
// airports.setBaseUrl("http://svn.goneabitbursar.com/testproject1");
// airports.setBaseUrl("http://terrascenery.googlecode.com/svn/trunk/data/Scenery/Models");
airports.setBaseUrl("http://fgfs.goneabitbursar.com/fgfsai/trunk/AI/Traffic");
// airports.setBaseUrl("http://terrascenery.googlecode.com/svn/trunk/data/Scenery/Airports");
airports.update();
while (airports.isDoingSync()) {
cl.update(100);
}
cout << "all done!" << endl;
return EXIT_SUCCESS;
}