main.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#include <iostream>
#include <math.h>
#include <cstdlib>
#include <cstdio>

#include <QApplication>
#include <QString>
#include "cxImageServer.h"
#include "cxImageStreamerOpenCV.h"
#include "cxCommandlineImageStreamerFactory.h"
#include "cxStringHelpers.h"
#include "cxLogger.h"
#include "cxReporter.h"


#ifdef WIN32
#include <windows.h>
//#include <tchar.h>
#endif

#include <signal.h>
#include <stdlib.h>
#include <stdio.h>

#ifdef WIN32
// Catch ctrl + c on windows: http://www.cplusplus.com/forum/beginner/1501/
BOOL WINAPI ConsoleHandler(
        DWORD dwCtrlType   //  control signal type
);

BOOL WINAPI ConsoleHandler(DWORD CEvent)
{
//    char mesg[128];

    switch(CEvent)
    {
    case CTRL_C_EVENT:
        //MessageBox(NULL,_T("CTRL+C received!"),_T("CEvent"),MB_OK);
        break;
    case CTRL_BREAK_EVENT:
        //MessageBox(NULL, _T("CTRL+BREAK received!"),_T("CEvent"),MB_OK);
        break;
    case CTRL_CLOSE_EVENT:
        //MessageBox(NULL,_T("Program being closed!"),_T("CEvent"),MB_OK);
        break;
    case CTRL_LOGOFF_EVENT:
        //MessageBox(NULL,_T("User is logging off!"),_T("CEvent"),MB_OK);
        break;
    case CTRL_SHUTDOWN_EVENT:
        //MessageBox(NULL,_T("User is logging off!"),_T("CEvent"),MB_OK);
        break;

    }
        qApp->quit();
    return TRUE;
}
#endif

#ifndef WIN32
void my_handler(int s)
{
//           printf("Caught signal %d\n",s);
           qApp->quit();
}
#endif

int main(int argc, char* argv[])
{
#ifdef WIN32
        if (SetConsoleCtrlHandler( (PHANDLER_ROUTINE)ConsoleHandler,TRUE)==FALSE)
        {
                // unable to install handler... 
                // display message to the user
                printf("Unable to install handler!\n");
        //return -1;
        }

#endif
#ifndef WIN32
        // nice shutdown of app
        // http://stackoverflow.com/questions/1641182/how-can-i-catch-a-ctrl-c-event-c
        struct sigaction sigIntHandler;

        sigIntHandler.sa_handler = my_handler;
        sigemptyset(&sigIntHandler.sa_mask);
        sigIntHandler.sa_flags = 0;

        sigaction(SIGINT, &sigIntHandler, NULL);
#endif

  QApplication app(argc, argv);
  app.setOrganizationName("SINTEF");
  app.setOrganizationDomain("www.sintef.no");
  app.setApplicationName("OpenIGTLinkServer");
  //------------------------------------------------------------
  // Parse Arguments
  cx::StringMap args = cx::extractCommandlineOptions(app.arguments());
  cx::Reporter::initialize();

  cx::ImageServer server;
  if (args.count("help") || args.count("h"))
  {
          server.printHelpText();
          return 0;
  }

  int port = cx::convertStringWithDefault(args["port"], 18333);

  bool ok = server.initialize();
  if (!ok)
  {
          std::cout << "Can not start streaming. Quitting application" << std::endl;
                return 1;
  }
  ok = server.startListen(port);
        if (!ok)
  {
          std::cout << "Can not start listening. Quitting..." << std::endl;
                std::cout << "This problem may be due to an existing OpenIGTLinkServer running." << std::endl;
                std::cout << "---> Try quitting the running OpenIGTLinkServer process to fix the problem. <---" << std::endl;
                return 1;
  }

  int retVal = app.exec();
  cx::Reporter::shutdown();
  return retVal;

}