Fixes: NB#202329 - mthemedaemon spews out lots of useless debug to syslog

RevBy: Armin Berres

Details:
Use a custom message handler for the mthemedaemon so it will only print
messages to the stderr and make it's default output level to be
critical on ARM and warning on i386.

1 files changed, 41 insertions, 0 deletions

diff --git a/mthemedaemon/main.cpp b/mthemedaemon/main.cpp
index afb35c92..d0499e4c 100644
--- a/mthemedaemon/main.cpp
+++ b/mthemedaemon/main.cpp
@@ -26,6 +26,11 @@
 #include "keypresswaiter.h"
 #endif
 
+namespace
+{
+    QtMsgType outputLevel = QtDebugMsg;
+}
+
 static int setup_unix_signal_handlers()
 {
     struct sigaction sighup, sigterm, sigint;
@@ -55,6 +60,39 @@ static int setup_unix_signal_handlers()
      return 0;
  }
 
+static QtMsgType getOutputLevelFromArgs(QStringList arguments)
+{
+    QString argLevel;
+    int index = arguments.indexOf("-output-level") + 1;
+    if (index > 0 && index < arguments.length()) {
+        argLevel = arguments[index];
+    }
+
+    if (argLevel == "debug")
+        return QtDebugMsg;
+    if (argLevel == "warning")
+        return QtWarningMsg;
+    if (argLevel == "critical")
+        return QtCriticalMsg;
+
+#ifdef __arm__
+    return QtCriticalMsg;
+#else
+    return QtWarningMsg;
+#endif
+}
+
+static void mMessageHandler(QtMsgType type, const char *msg)
+{
+    if (type < outputLevel)
+        return;
+
+   fprintf(stderr, "%s\n", msg);
+
+   if (type == QtFatalMsg)
+       abort();
+}
+
 int main(int argc, char **argv)
 {
     setup_unix_signal_handlers();
@@ -75,6 +113,9 @@ int main(int argc, char **argv)
 
     QApplication app(argc, argv);
 
+    outputLevel = getOutputLevelFromArgs(app.arguments());
+    qInstallMsgHandler(mMessageHandler);
+
     // Apply custom server address, if the "-address" has been passed as argument
     QString serverAddress;
     int index = app.arguments().indexOf("-address");