Added ability to automatically log debug info to a debug logfile (respecting the new read / write configurable path)

mk/linux/configuration.xml

@@ -402,6 +402,12 @@ when they are issued a command"/>
 					<enum value="false"/>
 				</enums>
 			</field>
+			<field type="String">
+				<name value="Debug LogFile"/>
+				<variable-name value="DebugLogFile"/>
+				<description value="Debug LogFile to save debug output"/>
+				<default value=""/>
+			</field>
 			<field type="IntRange">
 				<name value="AI log"/>
 				<variable-name value="AiLog"/>

source/glest_game/main/main.cpp

@@ -167,6 +167,7 @@ int glestMain(int argc, char** argv){
 	Program *program= NULL;
 	ExceptionHandler exceptionHandler;
 	exceptionHandler.install( getCrashDumpFileName() );
+	string debugLogFile = "";
 
 	try{
 		Config &config = Config::getInstance();
@@ -175,6 +176,11 @@ int glestMain(int argc, char** argv){
 
 		SystemFlags::enableNetworkDebugInfo = config.getBool("DebugNetwork","0");
 		SystemFlags::enableDebugText = config.getBool("DebugMode","0");
+		debugLogFile = config.getString("DebugLogFile","");
+        if(getGameReadWritePath() != "") {
+            debugLogFile = getGameReadWritePath() + debugLogFile;
+        }
+		SystemFlags::debugLogFile = debugLogFile.c_str();
 
 		NetworkInterface::setDisplayMessageFunction(ExceptionHandler::DisplayMessage);
 

source/shared_lib/include/util/util.h

@@ -29,6 +29,7 @@ public:
 
     static bool enableDebugText;
     static bool enableNetworkDebugInfo;
+    static const char *debugLogFile;
 
     static void OutputDebug(DebugType type, const char *fmt, ...);
 };

source/shared_lib/sources/util/util.cpp

@@ -17,6 +17,7 @@
 #include <cstring>
 #include <cstdio>
 #include <stdarg.h>
+#include <fstream>
 
 #include "leak_dumper.h"
 
@@ -27,6 +28,7 @@ namespace Shared{ namespace Util{
 
 bool SystemFlags::enableDebugText           = false;
 bool SystemFlags::enableNetworkDebugInfo    = false;
+const char * SystemFlags::debugLogFile            = NULL;
 
 void SystemFlags::OutputDebug(DebugType type, const char *fmt, ...) {
     if((type == debugSystem && SystemFlags::enableDebugText == false) ||
@@ -37,7 +39,27 @@ void SystemFlags::OutputDebug(DebugType type, const char *fmt, ...) {
     va_list argList;
     va_start(argList, fmt);
 
-    vprintf(fmt, argList);
+    // Either output to a logfile or
+    if(SystemFlags::debugLogFile != NULL && SystemFlags::debugLogFile[0] != 0) {
+        static ofstream fileStream;
+        if(fileStream.is_open() == false) {
+            printf("Opening logfile [%s]\n",SystemFlags::debugLogFile);
+            fileStream.open(SystemFlags::debugLogFile, ios_base::out | ios_base::trunc);
+        }
+
+        //printf("Logfile is open [%s]\n",SystemFlags::debugLogFile);
+
+        char szBuf[1024]="";
+        vsprintf(szBuf,fmt, argList);
+
+        //printf("writing to logfile [%s]\n",szBuf);
+        fileStream << szBuf;
+        fileStream.flush();
+    }
+    // output to console
+    else {
+        vprintf(fmt, argList);
+    }
 
     va_end(argList);
 }