提交 46129566 authored 作者: Michael Jerris's avatar Michael Jerris

formatting and comments. More to come.

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@3233 d0543943-73ff-0310-b7d9-9358b9ac24b2
上级 003fb84e
...@@ -33,111 +33,146 @@ ...@@ -33,111 +33,146 @@
#include <switch.h> #include <switch.h>
//pid filename: Stores the process id of the freeswitch process
#define PIDFILE "freeswitch.pid" #define PIDFILE "freeswitch.pid"
#define LOGFILE "freeswitch.log" static char *pfile = PIDFILE;
//log filename: Filename of the freeswitch log file to be used if we are in background mode
#define LOGFILE "freeswitch.log"
static char *lfile = LOGFILE; static char *lfile = LOGFILE;
static char *pfile = PIDFILE;
//If we are a windows service, what should we be called
#define SERVICENAME "Freeswitch" #define SERVICENAME "Freeswitch"
//Picky compiler
#ifdef __ICC #ifdef __ICC
#pragma warning (disable:167) #pragma warning (disable:167)
#endif #endif
#ifdef WIN32 #ifdef WIN32
#include <winsock2.h> #include <winsock2.h>
#include <windows.h> #include <windows.h>
//event to signal shutdown (for you unix people, this is like a pthread_cond)
static HANDLE shutdown_event; static HANDLE shutdown_event;
#endif #endif
//signal handler for when freeswitch is running in background mode.
//signal triggers the shutdown of freeswitch
static void handle_SIGHUP(int sig) static void handle_SIGHUP(int sig)
{ {
uint32_t arg = 0; uint32_t arg = 0;
if(sig); if(sig);
//send shutdown signal to the freeswitch core
switch_core_session_ctl(SCSC_SHUTDOWN, &arg); switch_core_session_ctl(SCSC_SHUTDOWN, &arg);
return; return;
} }
//kill a freeswitch process running in background mode
static int freeswitch_kill_background() static int freeswitch_kill_background()
{ {
FILE *f; FILE *f; //FILE handle to open the pid file
char path[256] = ""; char path[256] = ""; //full path of the PID file
pid_t pid = 0; pid_t pid = 0; //pid from the pid file
//set the globals so we can use the global paths.
switch_core_set_globals(); switch_core_set_globals();
//get the full path of the pid file.
snprintf(path, sizeof(path), "%s%s%s", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, pfile); snprintf(path, sizeof(path), "%s%s%s", SWITCH_GLOBAL_dirs.log_dir, SWITCH_PATH_SEPARATOR, pfile);
//open the pid file
if ((f = fopen(path, "r")) == 0) { if ((f = fopen(path, "r")) == 0) {
//pid file does not exist
fprintf(stderr, "Cannot open pid file %s.\n", path); fprintf(stderr, "Cannot open pid file %s.\n", path);
return 255; return 255;
} }
//pull the pid from the file
fscanf(f, "%d", &pid); fscanf(f, "%d", &pid);
//if we have a valid pid
if (pid > 0) { if (pid > 0) {
//kill the freeswitch running at the pid we found
fprintf(stderr, "Killing: %d\n", (int) pid); fprintf(stderr, "Killing: %d\n", (int) pid);
#ifdef WIN32 #ifdef WIN32
//for windows we need the event to signal for shutting down a background freewitc
snprintf(path, sizeof(path), "Global\\Freeswitch.%d", pid); snprintf(path, sizeof(path), "Global\\Freeswitch.%d", pid);
//open the event so we can signal it
shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, path); shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, path);
//did we sucessfully open the event
if (!shutdown_event) { if (!shutdown_event) {
/* we can't get the event, so we can't signal the process to shutdown */ /* we can't get the event, so we can't signal the process to shutdown */
fprintf(stderr, "ERROR: Can't Shutdown: %d\n", (int) pid); fprintf(stderr, "ERROR: Can't Shutdown: %d\n", (int) pid);
} else { } else {
//signal the event to shutdown
SetEvent(shutdown_event); SetEvent(shutdown_event);
} }
//cleanup
CloseHandle(shutdown_event); CloseHandle(shutdown_event);
#else #else
//for unix, send the signal to kill.
kill(pid, SIGTERM); kill(pid, SIGTERM);
#endif #endif
} }
//be nice and close the file handle to the pid file
fclose(f); fclose(f);
return 0; return 0;
} }
#ifdef WIN32 #ifdef WIN32
//we need these vars to handle the service
SERVICE_STATUS_HANDLE hStatus; SERVICE_STATUS_HANDLE hStatus;
SERVICE_STATUS status; SERVICE_STATUS status;
//Handler function for service start/stop from the service
void WINAPI ServiceCtrlHandler( DWORD control ) void WINAPI ServiceCtrlHandler( DWORD control )
{ {
switch( control ) switch( control )
{ {
case SERVICE_CONTROL_SHUTDOWN: case SERVICE_CONTROL_SHUTDOWN:
case SERVICE_CONTROL_STOP: case SERVICE_CONTROL_STOP:
// do shutdown stuff here // do shutdown stuff here
switch_core_destroy(); switch_core_destroy();
status.dwCurrentState = SERVICE_STOPPED; status.dwCurrentState = SERVICE_STOPPED;
status.dwWin32ExitCode = 0; status.dwWin32ExitCode = 0;
status.dwCheckPoint = 0; status.dwCheckPoint = 0;
status.dwWaitHint = 0; status.dwWaitHint = 0;
break; break;
case SERVICE_CONTROL_INTERROGATE: case SERVICE_CONTROL_INTERROGATE:
// just set the current state to whatever it is... // just set the current state to whatever it is...
break; break;
} }
SetServiceStatus( hStatus, &status ); SetServiceStatus( hStatus, &status );
} }
void WINAPI service_main( DWORD numArgs, char **args ) void WINAPI service_main( DWORD numArgs, char **args )
{ {
const char *err = NULL; const char *err = NULL;
// we have to initialize the service-specific stuff // we have to initialize the service-specific stuff
memset( &status, 0, sizeof(SERVICE_STATUS) ); memset( &status, 0, sizeof(SERVICE_STATUS) );
status.dwServiceType = SERVICE_WIN32; status.dwServiceType = SERVICE_WIN32;
status.dwCurrentState = SERVICE_START_PENDING; status.dwCurrentState = SERVICE_START_PENDING;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP; status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
hStatus = RegisterServiceCtrlHandler( SERVICENAME, &ServiceCtrlHandler ); hStatus = RegisterServiceCtrlHandler( SERVICENAME, &ServiceCtrlHandler );
SetServiceStatus( hStatus, &status ); SetServiceStatus( hStatus, &status );
set_high_priority(); set_high_priority();
if (switch_core_init_and_modload(lfile, &err) != SWITCH_STATUS_SUCCESS) { if (switch_core_init_and_modload(lfile, &err) != SWITCH_STATUS_SUCCESS) {
status.dwCurrentState = SERVICE_STOPPED; status.dwCurrentState = SERVICE_STOPPED;
} else { } else {
status.dwCurrentState = SERVICE_RUNNING; status.dwCurrentState = SERVICE_RUNNING;
} }
SetServiceStatus( hStatus, &status ); SetServiceStatus( hStatus, &status );
} }
#endif #endif
...@@ -153,23 +188,22 @@ int main(int argc, char *argv[]) ...@@ -153,23 +188,22 @@ int main(int argc, char *argv[])
int x, die = 0; int x, die = 0;
#ifdef WIN32 #ifdef WIN32
SERVICE_TABLE_ENTRY dispatchTable[] = SERVICE_TABLE_ENTRY dispatchTable[] =
{ {
{ SERVICENAME, &service_main }, { SERVICENAME, &service_main },
{ NULL, NULL } { NULL, NULL }
}; };
#endif #endif
for (x = 1; x < argc; x++) { for (x = 1; x < argc; x++) {
#ifdef WIN32 #ifdef WIN32
if (x == 1) { if (x == 1) {
if (argv[x] && !strcmp(argv[x], "-service")) { if (argv[x] && !strcmp(argv[x], "-service")) {
if(StartServiceCtrlDispatcher( dispatchTable ) == 0 ) if(StartServiceCtrlDispatcher( dispatchTable ) == 0 ) {
{ //Not loaded as a service
//Not loaded as a service fprintf(stderr, "Error Freeswitch loaded as a console app with -service option\n");
fprintf(stderr, "Error Freeswitch loaded as a console app with -service option\n"); fprintf(stderr, "To install the service load freeswitch with -install\n");
fprintf(stderr, "To install the service load freeswitch with -install\n"); }
}
exit(0); exit(0);
} }
if (argv[x] && !strcmp(argv[x], "-install")) { if (argv[x] && !strcmp(argv[x], "-install")) {
...@@ -180,30 +214,29 @@ int main(int argc, char *argv[]) ...@@ -180,30 +214,29 @@ int main(int argc, char *argv[])
GetModuleFileName( NULL, exePath, 1024 ); GetModuleFileName( NULL, exePath, 1024 );
snprintf(servicePath, sizeof(servicePath), "%s -service", exePath); snprintf(servicePath, sizeof(servicePath), "%s -service", exePath);
CreateService( CreateService(
handle, handle,
SERVICENAME, SERVICENAME,
SERVICENAME, SERVICENAME,
GENERIC_READ | GENERIC_EXECUTE, GENERIC_READ | GENERIC_EXECUTE,
SERVICE_WIN32_OWN_PROCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_AUTO_START,
SERVICE_ERROR_IGNORE, SERVICE_ERROR_IGNORE,
servicePath, servicePath,
NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL, NULL,
NULL NULL
); );
exit(0); exit(0);
} }
if (argv[x] && !strcmp(argv[x], "-uninstall")) { if (argv[x] && !strcmp(argv[x], "-uninstall")) {
SC_HANDLE handle = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS ); SC_HANDLE handle = OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
SC_HANDLE service = OpenService( handle, SERVICENAME, DELETE ); SC_HANDLE service = OpenService( handle, SERVICENAME, DELETE );
if( service != NULL ) if( service != NULL ) {
{ // remove the service!
// remove the service! DeleteService( service );
DeleteService( service ); }
}
exit(0); exit(0);
} }
} }
...@@ -211,7 +244,7 @@ int main(int argc, char *argv[]) ...@@ -211,7 +244,7 @@ int main(int argc, char *argv[])
if (argv[x] && !strcmp(argv[x], "-hp")) { if (argv[x] && !strcmp(argv[x], "-hp")) {
set_high_priority(); set_high_priority();
} }
if (argv[x] && !strcmp(argv[x], "-stop")) { if (argv[x] && !strcmp(argv[x], "-stop")) {
die++; die++;
} }
......
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