main.cpp 4.36 KB
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/*
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 *  Copyright (C) 2004-2007 Savoir-Faire Linux inc.
 *  Author: Alexandre Bourget <alexandre.bourget@savoirfairelinux.com>
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 *  Author: Yan Morin <yan.morin@savoirfairelinux.com>
 *  Author: Laurielle Lea <laurielle.lea@savoirfairelinux.com>
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 *
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 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <libintl.h>
#include <cstring>
#include <iostream>
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#include <string>
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#include <dirent.h>
#include <sys/stat.h>
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//#include "config.h"
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#include "global.h"

#include "user_cfg.h"
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#include "dbus/dbusmanager.h"
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#include "manager.h"

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#include "audio/audiolayer.h"

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int
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main (int argc, char **argv)
{
    int exit_code = 0;

    //setlocale (LC_ALL, "");
    //bindtextdomain (PACKAGE, LOCALEDIR);
    //textdomain (PACKAGE);

    if (argc == 2 && strcmp (argv[1], "--help") == 0) {


        printf ("%1$s Daemon %2$s, by Savoir-Faire Linux 2004-2009\n\n",
                PROGNAME,
                SFLPHONED_VERSION);
        printf ("USAGE: sflphoned [--help]\nParameters: \n  --help\tfor this message\n\n  --port=3999\tchange the session port\n\n");
        printf ("See http://www.sflphone.org/ for more information\n");

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    } else {
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        FILE *fp;
        char homepid[128];
        char sfldir[128];

        unsigned int iPid = getpid();
        char cPid[64], cOldPid[64];
        sprintf (cPid,"%d", iPid);

        sprintf (homepid, "%s/.%s/%s", HOMEDIR, PROGDIR, PIDFILE);
        sprintf (sfldir, "%s/.%s", HOMEDIR, PROGDIR);

        if ( (fp = fopen (homepid,"r")) == NULL) {
            // Check if $HOME/.sflphone directory exists or not.
            DIR *dir;

            if ( (dir = opendir (sfldir)) == NULL) {
                //Create it
                if (mkdir (sfldir, 0755) != 0) {
                    fprintf (stderr, "Creating directory %s failed. Exited.\n", sfldir);
                    exit (-1);
                }
            }

            // PID file doesn't exists, create and write pid in it
            if ( (fp = fopen (homepid,"w")) == NULL) {
                fprintf (stderr, "Creating PID file %s failed. Exited.\n", homepid);
                exit (-1);
            } else {
                fputs (cPid , fp);
                fclose (fp);
            }
        } else {
            // PID file exists. Check the former process still alive or not. If alive, give user a hint.
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			char *res;
            res = fgets (cOldPid, 64, fp);
            if (res == NULL)	perror ("Error getting string from stream");
			
			else
			{
				fclose (fp);

				if (kill (atoi (cOldPid), 0) == SUCCESS) {
					fprintf (stderr, "There is already a sflphoned daemon running in the system. Starting Failed.\n");
					exit (-1);
				} else {
					if ( (fp = fopen (homepid,"w")) == NULL) {
						fprintf (stderr, "Writing to PID file %s failed. Exited.\n", homepid);
						exit (-1);
					} else {
						fputs (cPid , fp);
						fclose (fp);
					}

				}
			}
		}
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        int sessionPort = 0;

        if (argc == 2) {
            char* ptrPort = strstr (argv[1], "--port=");

            if (ptrPort != 0) {
                sessionPort = atoi (ptrPort+7);
            }
        }

        bool initOK = false;

        try {
            _debug ("Initialize manager in main \n");
            Manager::instance().initConfigFile();
            Manager::instance().init();
            initOK = true;
        } catch (std::exception &e) {
            std::cerr << e.what() << std::endl;
            exit_code = -1;
        } catch (...) {
            fprintf (stderr, "An exception occured when initializing the system.\n");
            exit_code = -1;
        }

        if (initOK) {
            Manager::instance().setDBusManager (&DBusManager::instance());
            exit_code = DBusManager::instance().exec();  // UI Loop
        }
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    }

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    return exit_code;
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}

// EOF