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2022-10-20 20:29:11 +08:00
commit 4d531f8044
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+/*
+ * Copyright (C) 2016 Edward d'Auvergne
+ *
+ * This file is part of the program FlightGear.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <iomanip>
+
+#include "logging.hxx"
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/debug/OsgIoCapture.hxx>
+
+
+// The global stream capture data structure.
+static capturedIO *_iostreams = NULL;
+
+
+// capturedIO constructor.
+capturedIO::capturedIO(sgDebugClass c, sgDebugPriority p)
+{
+    callback_interleaved = new StreamLogCallback(sg_interleaved, c, p, false);
+    callback_bulk_only = new StreamLogCallback(sg_bulk_only, c, SG_BULK, true);
+    callback_debug_only = new StreamLogCallback(sg_debug_only, c, SG_DEBUG, true);
+    callback_info_only = new StreamLogCallback(sg_info_only, c, SG_INFO, true);
+    callback_warn_only = new StreamLogCallback(sg_warn_only, c, SG_WARN, true);
+    callback_alert_only = new StreamLogCallback(sg_alert_only, c, SG_ALERT, true);
+
+    // Store the class as a string.
+    if (c == SG_ALL)
+        log_class = "SG_ALL";
+    else {
+        std::stringstream stream;
+        stream << "0x" << std::right << std::setfill('0') << std::setw(8) << std::hex << c;
+        log_class = stream.str();
+    }
+    
+    // Store the priority as a string.
+    if (p == SG_BULK)
+        log_priority = "SG_BULK";
+    else if (p == SG_DEBUG)
+        log_priority = "SG_DEBUG";
+    else if (p == SG_INFO)
+        log_priority = "SG_INFO";
+    else if (p == SG_WARN)
+        log_priority = "SG_WARN";
+    else if (p == SG_ALERT)
+        log_priority = "SG_ALERT";
+    else if (p == SG_POPUP)
+        log_priority = "SG_POPUP";
+    else if (p == SG_DEV_WARN)
+        log_priority = "SG_DEV_WARN";
+    else if (p == SG_DEV_ALERT)
+        log_priority = "SG_DEV_ALERT";
+}
+
+// capturedIO destructor.
+capturedIO::~capturedIO()
+{
+    // Destroy the callback objects.
+    delete callback_interleaved;
+    delete callback_bulk_only;
+    delete callback_debug_only;
+    delete callback_info_only;
+    delete callback_warn_only;
+    delete callback_alert_only;
+}
+
+
+// Return the global stream capture data structure, creating it if needed.
+capturedIO & getIOstreams(sgDebugClass c, sgDebugPriority p)
+{
+    // Initialise the global stream capture data structure, if needed.
+    if (!_iostreams)
+        _iostreams = new capturedIO(c, p);
+
+    // Return a pointer to the global object.
+    return *_iostreams;
+}
+
+
+// Set up to capture all the simgear logging priorities as separate streams.
+void setupLogging(sgDebugClass c, sgDebugPriority p, bool split)
+{
+    // Get the single logstream instance.
+    logstream &log = sglog();
+
+    // Set up the logstream testing mode.
+    log.setTestingMode(true);
+
+    // OSG IO capture.
+    osg::setNotifyHandler(new NotifyLogger);
+
+    // IO capture.
+    capturedIO &obj = getIOstreams(c, p);
+    if (!split)
+        log.addCallback(obj.callback_interleaved);
+    else {
+        if (p <= SG_BULK)
+            log.addCallback(obj.callback_bulk_only);
+        if (p <= SG_DEBUG)
+            log.addCallback(obj.callback_debug_only);
+        if (p <= SG_INFO)
+            log.addCallback(obj.callback_info_only);
+        if (p <= SG_WARN)
+            log.addCallback(obj.callback_warn_only);
+        if (p <= SG_ALERT)
+            log.addCallback(obj.callback_alert_only);
+    }
+}
+
+
+// Deactivate all the simgear logging priority IO captures.
+void stopLogging()
+{
+    // Get the single logstream instance.
+    logstream &log = sglog();
+
+    // IO decapture.
+    capturedIO &obj = getIOstreams();
+    log.removeCallback(obj.callback_interleaved);
+    log.removeCallback(obj.callback_bulk_only);
+    log.removeCallback(obj.callback_debug_only);
+    log.removeCallback(obj.callback_info_only);
+    log.removeCallback(obj.callback_warn_only);
+    log.removeCallback(obj.callback_alert_only);
+
+    // Clean up the IO stream object.
+    delete _iostreams;
+    _iostreams = NULL;
+
+    // Stop the simgear logstream.
+    simgear::shutdownLogging();
+}