Initial commit

TetraIF/PrtCnv/PrtCnvMain.cpp

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+// **************************************************************************
+//
+//  (C) Copyright 2009   Swiss SIMTEC AG
+//
+// **************************************************************************
+//
+//  $HeadURL$
+//  $LastChangedBy$
+//  $LastChangedDate$
+//  $LastChangedRevision$
+//
+// **************************************************************************
+
+/*!
+*
+* \page Tetra-Interface Tetra-Interface
+*
+* This component is needed to communicate between the Server software and the players in
+* the field via Tetra. It's an extra component due to historical reasons only.
+*
+*/
+
+#include "PrtCnvApplication.hpp"
+#include <NGLLogger/INGLLogger.h>
+#include <nglapplication/nglcoreapplication.h>
+#include <LtsCommandLineParser/LtsCommandLineParser.h>
+#include <QNetworkProxy>
+#ifndef WIN32
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+#endif
+
+// ---------------------------------------------------------------
+// Become a daemon
+// ---------------------------------------------------------------
+static void daemonize()
+{
+#ifndef WIN32
+  pid_t pid, sid;
+
+  /* already a daemon */
+  if ( getppid() == 1 )
+    return;
+
+  /* Fork off the parent process */
+  pid = fork();
+  if (pid < 0) {
+    exit(EXIT_FAILURE);
+  }
+  /* If we got a good PID, then we can exit the parent process. */
+  if (pid > 0) {
+    exit(EXIT_SUCCESS);
+  }
+
+  /* At this point we are executing as the child process */
+
+  /* Change the file mode mask */
+  umask(0);
+
+  /* Create a new SID for the child process */
+  sid = setsid();
+  if (sid < 0) {
+    exit(EXIT_FAILURE);
+  }
+
+  /* Change the current working directory.  This prevents the current
+       directory from being locked; hence not being able to remove it. */
+  if ((chdir("/")) < 0) {
+    exit(EXIT_FAILURE);
+  }
+
+  /* Redirect standard files to /dev/null */
+  freopen( "/dev/null", "r", stdin);
+  freopen( "/dev/null", "w", stdout);
+  freopen( "/dev/null", "w", stderr);
+#endif
+}
+
+class CmdLineParser : public LtsCommandLineParser::LtsCommandLineParser
+{
+public:
+  CmdLineParser()
+    : LtsCommandLineParser(ProvideCommandLineParameterOptions(ExerciseId|CustomConfigFile))
+  {
+    addOption( { QStringList() << QStringLiteral("d") << QStringLiteral("daemonize"),
+                 QStringLiteral("Start in background") } );
+    addOption( { QStringList() << QStringLiteral("c") << QStringLiteral("cleandb"),
+                 QStringLiteral("Start over with clean database") } );
+  }
+
+  bool daemonize() const
+  {
+    return isSet(QStringLiteral("d"));
+  }
+  bool cleanDb() const
+  {
+    return isSet(QStringLiteral("c"));
+  }
+};
+
+int main(int argc, char** argv)
+{
+  QNetworkProxy::setApplicationProxy(QNetworkProxy());
+  NGLCoreApplication app(argc, argv);
+
+  CmdLineParser options;
+  if (!options.init())
+    return -1;
+  app.createLogger("PrtCnv", options.exerciseId());
+
+  if (options.daemonize())
+    daemonize();
+
+  PrtCnv::PrtCnvApplication prtCnvApp;
+  prtCnvApp.setCleanDb(options.cleanDb());
+  prtCnvApp.setExerciseId(options.exerciseId());
+  if (options.iniFileSet())
+    prtCnvApp.setConfigFile(options.iniFile());
+
+  STARTUP_LOG(app.baseLogger());
+
+  prtCnvApp.startApp();
+  int ret = app.exec();
+  prtCnvApp.shutdownApp();
+
+  SHUTDOWN_LOG(app.baseLogger());
+
+  return ret;
+}