formatting and comments. More to come.
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3233 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris
parent
003fb84e7c
commit
461295664f
159
src/switch.c
159
src/switch.c
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@ -33,111 +33,146 @@
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#include <switch.h>
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//pid filename: Stores the process id of the freeswitch process
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#define PIDFILE "freeswitch.pid"
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#define LOGFILE "freeswitch.log"
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static char *lfile = LOGFILE;
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static char *pfile = PIDFILE;
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//log filename: Filename of the freeswitch log file to be used if we are in background mode
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#define LOGFILE "freeswitch.log"
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static char *lfile = LOGFILE;
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//If we are a windows service, what should we be called
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#define SERVICENAME "Freeswitch"
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//Picky compiler
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#ifdef __ICC
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#pragma warning (disable:167)
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#endif
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#ifdef WIN32
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#include <winsock2.h>
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#include <windows.h>
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//event to signal shutdown (for you unix people, this is like a pthread_cond)
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static HANDLE shutdown_event;
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#endif
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//signal handler for when freeswitch is running in background mode.
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//signal triggers the shutdown of freeswitch
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static void handle_SIGHUP(int sig)
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{
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uint32_t arg = 0;
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if(sig);
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//send shutdown signal to the freeswitch core
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switch_core_session_ctl(SCSC_SHUTDOWN, &arg);
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return;
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}
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//kill a freeswitch process running in background mode
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static int freeswitch_kill_background()
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{
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FILE *f;
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char path[256] = "";
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pid_t pid = 0;
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FILE *f; //FILE handle to open the pid file
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char path[256] = ""; //full path of the PID file
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pid_t pid = 0; //pid from the pid file
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//set the globals so we can use the global paths.
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switch_core_set_globals();
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//get the full path of the pid file.
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snprintf(path, sizeof(path), "%s%s%s", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, pfile);
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//open the pid file
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if ((f = fopen(path, "r")) == 0) {
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//pid file does not exist
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fprintf(stderr, "Cannot open pid file %s.\n", path);
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return 255;
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}
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//pull the pid from the file
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fscanf(f, "%d", &pid);
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//if we have a valid pid
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if (pid > 0) {
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//kill the freeswitch running at the pid we found
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fprintf(stderr, "Killing: %d\n", (int) pid);
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#ifdef WIN32
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//for windows we need the event to signal for shutting down a background freewitc
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snprintf(path, sizeof(path), "Global\\Freeswitch.%d", pid);
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//open the event so we can signal it
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shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, path);
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//did we sucessfully open the event
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if (!shutdown_event) {
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/* we can't get the event, so we can't signal the process to shutdown */
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fprintf(stderr, "ERROR: Can't Shutdown: %d\n", (int) pid);
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} else {
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//signal the event to shutdown
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SetEvent(shutdown_event);
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}
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//cleanup
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CloseHandle(shutdown_event);
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#else
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//for unix, send the signal to kill.
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kill(pid, SIGTERM);
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#endif
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}
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//be nice and close the file handle to the pid file
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fclose(f);
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return 0;
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}
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#ifdef WIN32
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//we need these vars to handle the service
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SERVICE_STATUS_HANDLE hStatus;
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SERVICE_STATUS status;
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//Handler function for service start/stop from the service
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void WINAPI ServiceCtrlHandler( DWORD control )
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{
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switch( control )
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{
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case SERVICE_CONTROL_SHUTDOWN:
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case SERVICE_CONTROL_STOP:
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// do shutdown stuff here
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switch( control )
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{
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case SERVICE_CONTROL_SHUTDOWN:
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case SERVICE_CONTROL_STOP:
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// do shutdown stuff here
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switch_core_destroy();
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status.dwCurrentState = SERVICE_STOPPED;
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status.dwWin32ExitCode = 0;
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status.dwCheckPoint = 0;
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status.dwWaitHint = 0;
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break;
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case SERVICE_CONTROL_INTERROGATE:
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// just set the current state to whatever it is...
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break;
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}
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status.dwCurrentState = SERVICE_STOPPED;
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status.dwWin32ExitCode = 0;
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status.dwCheckPoint = 0;
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status.dwWaitHint = 0;
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break;
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case SERVICE_CONTROL_INTERROGATE:
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// just set the current state to whatever it is...
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break;
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}
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SetServiceStatus( hStatus, &status );
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SetServiceStatus( hStatus, &status );
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}
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void WINAPI service_main( DWORD numArgs, char **args )
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{
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const char *err = NULL;
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// we have to initialize the service-specific stuff
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memset( &status, 0, sizeof(SERVICE_STATUS) );
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status.dwServiceType = SERVICE_WIN32;
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status.dwCurrentState = SERVICE_START_PENDING;
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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// we have to initialize the service-specific stuff
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memset( &status, 0, sizeof(SERVICE_STATUS) );
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status.dwServiceType = SERVICE_WIN32;
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status.dwCurrentState = SERVICE_START_PENDING;
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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hStatus = RegisterServiceCtrlHandler( SERVICENAME, &ServiceCtrlHandler );
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hStatus = RegisterServiceCtrlHandler( SERVICENAME, &ServiceCtrlHandler );
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SetServiceStatus( hStatus, &status );
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SetServiceStatus( hStatus, &status );
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set_high_priority();
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if (switch_core_init_and_modload(lfile, &err) != SWITCH_STATUS_SUCCESS) {
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status.dwCurrentState = SERVICE_STOPPED;
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status.dwCurrentState = SERVICE_STOPPED;
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} else {
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status.dwCurrentState = SERVICE_RUNNING;
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}
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SetServiceStatus( hStatus, &status );
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SetServiceStatus( hStatus, &status );
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}
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#endif
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@ -153,23 +188,22 @@ int main(int argc, char *argv[])
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int x, die = 0;
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#ifdef WIN32
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SERVICE_TABLE_ENTRY dispatchTable[] =
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{
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{ SERVICENAME, &service_main },
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{ NULL, NULL }
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};
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SERVICE_TABLE_ENTRY dispatchTable[] =
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{
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{ SERVICENAME, &service_main },
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{ NULL, NULL }
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};
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#endif
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for (x = 1; x < argc; x++) {
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#ifdef WIN32
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if (x == 1) {
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if (argv[x] && !strcmp(argv[x], "-service")) {
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if(StartServiceCtrlDispatcher( dispatchTable ) == 0 )
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{
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//Not loaded as a service
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fprintf(stderr, "Error Freeswitch loaded as a console app with -service option\n");
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fprintf(stderr, "To install the service load freeswitch with -install\n");
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}
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if(StartServiceCtrlDispatcher( dispatchTable ) == 0 ) {
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//Not loaded as a service
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fprintf(stderr, "Error Freeswitch loaded as a console app with -service option\n");
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fprintf(stderr, "To install the service load freeswitch with -install\n");
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}
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exit(0);
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}
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if (argv[x] && !strcmp(argv[x], "-install")) {
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@ -180,30 +214,29 @@ int main(int argc, char *argv[])
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GetModuleFileName( NULL, exePath, 1024 );
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snprintf(servicePath, sizeof(servicePath), "%s -service", exePath);
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CreateService(
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handle,
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SERVICENAME,
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SERVICENAME,
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GENERIC_READ | GENERIC_EXECUTE,
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SERVICE_WIN32_OWN_PROCESS,
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SERVICE_AUTO_START,
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SERVICE_ERROR_IGNORE,
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servicePath,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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);
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handle,
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SERVICENAME,
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SERVICENAME,
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GENERIC_READ | GENERIC_EXECUTE,
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SERVICE_WIN32_OWN_PROCESS,
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SERVICE_AUTO_START,
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SERVICE_ERROR_IGNORE,
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servicePath,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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);
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exit(0);
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}
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if (argv[x] && !strcmp(argv[x], "-uninstall")) {
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SC_HANDLE handle = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
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SC_HANDLE service = OpenService( handle, SERVICENAME, DELETE );
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if( service != NULL )
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{
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// remove the service!
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DeleteService( service );
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}
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if( service != NULL ) {
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// remove the service!
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DeleteService( service );
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}
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exit(0);
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}
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}
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if (argv[x] && !strcmp(argv[x], "-hp")) {
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set_high_priority();
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}
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if (argv[x] && !strcmp(argv[x], "-stop")) {
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die++;
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}
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