main.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) 2008-2014, SINTEF Department of Medical Technology
All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, 
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, 
   this list of conditions and the following disclaimer in the documentation 
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors 
   may be used to endorse or promote products derived from this software 
   without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/

#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 false;
  }
  ok = server.startListen(port);
  if (!ok)
  {
          std::cout << "Can not start listening. Quitting..." << std::endl;
          return false;
  }

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

}