Issue #95: Adding ability to specify custom service name/have multiple Redis...

Issue #95: Adding ability to specify custom service name/have multiple Redis service instances running.(Forgive the whitespace changes in Win32_Service.cpp. My editor was set to keep tabs when I wrote the code originally. Tabs are gone now.)

src/Win32_Interop/Win32_EventLog.cpp

@@ -128,7 +128,8 @@ void RedisEventLog::LogMessageToEventLog(LPCSTR msg, const WORD type) {
 extern "C" void WriteEventLog(const char* sysLogInstance, const char* msg) {
 	try {
 		stringstream ss;
-		ss << sysLogInstance << ":: " << msg;
+        ss << "syslog-ident = " << sysLogInstance << endl;
+        ss << msg;
 		RedisEventLog().LogMessageToEventLog(ss.str().c_str(),EVENTLOG_INFORMATION_TYPE);
 	} catch (...) {
 	}

src/Win32_Interop/Win32_Service.h

@@ -28,7 +28,8 @@ extern "C"
 #endif
 
 	BOOL RunningAsService();
-	BOOL HandleServiceCommands(int argc, char **argv);
+    const char* GetServiceName();
+    BOOL HandleServiceCommands(int argc, char **argv);
 	BOOL ServiceStopIssued();
 
 #ifdef __cplusplus

src/Win32_Interop/win32fixes.h

@@ -36,6 +36,7 @@
 
 #include "Win32_FDAPI.h"    
 #include "Win32_QFork.h"
+#include "Win32_Service.h"
 
 #define fseeko fseeko64
 #define ftello ftello64

src/redis.c

@@ -1321,11 +1321,17 @@ void initServerConfig() {
     server.loading = 0;
     server.logfile = zstrdup(REDIS_DEFAULT_LOGFILE);
 #ifdef _WIN32
-	server.syslog_enabled = RunningAsService() ? 1 : REDIS_DEFAULT_SYSLOG_ENABLED;
+    if (RunningAsService()) {
+        server.syslog_enabled = 1;
+        server.syslog_ident = zstrdup(GetServiceName());
+    } else {
+        server.syslog_ident = zstrdup(REDIS_DEFAULT_SYSLOG_IDENT);
+        server.syslog_enabled = REDIS_DEFAULT_SYSLOG_ENABLED;
+    }
 #else
 	server.syslog_enabled = REDIS_DEFAULT_SYSLOG_ENABLED;
-#endif
     server.syslog_ident = zstrdup(REDIS_DEFAULT_SYSLOG_IDENT);
+#endif
     server.syslog_facility = LOG_LOCAL0;
     server.daemonize = REDIS_DEFAULT_DAEMONIZE;
     server.aof_state = REDIS_AOF_OFF;