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freeswitch/src/switch.c

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2012, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Michael Jerris <mike@jerris.com>
* Pawel Pierscionek <pawel@voiceworks.pl>
* Bret McDanel <trixter AT 0xdecafbad.com>
*
*
* switch.c -- Main
*
*/
#ifndef _XOPEN_SOURCE
#define _XOPEN_SOURCE 600
#endif
#ifndef WIN32
#ifdef HAVE_SETRLIMIT
#include <sys/resource.h>
#endif
#endif
#include <switch.h>
#include <switch_version.h>
#include "private/switch_core_pvt.h"
/* pid filename: Stores the process id of the freeswitch process */
#define PIDFILE "freeswitch.pid"
static char *pfile = PIDFILE;
static int system_ready = 0;
/* Picky compiler */
#ifdef __ICC
#pragma warning (disable:167)
#endif
#ifdef WIN32
/* If we are a windows service, what should we be called */
#define SERVICENAME_DEFAULT "FreeSWITCH"
#define SERVICENAME_MAXLEN 256
static char service_name[SERVICENAME_MAXLEN];
static switch_core_flag_t service_flags = SCF_NONE;
#include <winsock2.h>
#include <windows.h>
/* event to signal shutdown (for you unix people, this is like a pthread_cond) */
static HANDLE shutdown_event;
#endif
/* signal handler for when freeswitch is running in background mode.
* signal triggers the shutdown of freeswitch
# */
static void handle_SIGILL(int sig)
{
int32_t arg = 0;
if (sig) {};
/* send shutdown signal to the freeswitch core */
switch_core_session_ctl(SCSC_SHUTDOWN, &arg);
return;
}
#ifndef WIN32
static void handle_SIGUSR2(int sig)
{
if (sig) {};
system_ready = 1;
return;
}
static void handle_SIGCHLD(int sig)
{
int status = 0;
int pid = 0;
if (sig) {};
pid = wait(&status);
if (pid > 0) {
printf("ASS %d\n", pid);
system_ready = -1;
}
return;
}
#endif
/* kill a freeswitch process running in background mode */
static int freeswitch_kill_background()
{
FILE *f; /* FILE handle to open the pid file */
char path[256] = ""; /* full path of the PID file */
pid_t pid = 0; /* pid from the pid file */
/* set the globals so we can use the global paths. */
switch_core_set_globals();
/* get the full path of the pid file. */
switch_snprintf(path, sizeof(path), "%s%s%s", SWITCH_GLOBAL_dirs.run_dir, SWITCH_PATH_SEPARATOR, pfile);
/* open the pid file */
if ((f = fopen(path, "r")) == 0) {
/* pid file does not exist */
fprintf(stderr, "Cannot open pid file %s.\n", path);
return 255;
}
/* pull the pid from the file */
if (fscanf(f, "%d", (int *) (intptr_t) & pid) != 1) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to get the pid!\n");
}
/* if we have a valid pid */
if (pid > 0) {
/* kill the freeswitch running at the pid we found */
fprintf(stderr, "Killing: %d\n", (int) pid);
#ifdef WIN32
/* for windows we need the event to signal for shutting down a background FreeSWITCH */
snprintf(path, sizeof(path), "Global\\Freeswitch.%d", pid);
/* open the event so we can signal it */
shutdown_event = OpenEvent(EVENT_MODIFY_STATE, FALSE, path);
/* did we successfully open the event */
if (!shutdown_event) {
/* 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);
} else {
/* signal the event to shutdown */
SetEvent(shutdown_event);
/* cleanup */
CloseHandle(shutdown_event);
}
#else
/* for unix, send the signal to kill. */
kill(pid, SIGTERM);
#endif
}
/* be nice and close the file handle to the pid file */
fclose(f);
return 0;
}
#ifdef WIN32
/* we need these vars to handle the service */
SERVICE_STATUS_HANDLE hStatus;
SERVICE_STATUS status;
/* Handler function for service start/stop from the service */
void WINAPI ServiceCtrlHandler(DWORD control)
{
switch (control) {
case SERVICE_CONTROL_SHUTDOWN:
case SERVICE_CONTROL_STOP:
/* Shutdown freeswitch */
switch_core_destroy();
/* set service status values */
status.dwCurrentState = SERVICE_STOPPED;
status.dwWin32ExitCode = 0;
status.dwCheckPoint = 0;
status.dwWaitHint = 0;
break;
case SERVICE_CONTROL_INTERROGATE:
/* we already set the service status every time it changes. */
/* if there are other times we change it and don't update, we should do so here */
break;
}
SetServiceStatus(hStatus, &status);
}
/* the main service entry point */
void WINAPI service_main(DWORD numArgs, char **args)
{
switch_core_flag_t flags = SCF_USE_SQL | SCF_USE_AUTO_NAT | SCF_USE_NAT_MAPPING | SCF_CALIBRATE_CLOCK | SCF_USE_CLOCK_RT;
const char *err = NULL; /* error value for return from freeswitch initialization */
/* Override flags if they have been set earlier */
if (service_flags != SCF_NONE)
flags = service_flags;
/* we have to initialize the service-specific stuff */
memset(&status, 0, sizeof(SERVICE_STATUS));
status.dwServiceType = SERVICE_WIN32;
status.dwCurrentState = SERVICE_START_PENDING;
status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
/* register our handler for service control messages */
hStatus = RegisterServiceCtrlHandler(service_name, &ServiceCtrlHandler);
/* update the service status */
SetServiceStatus(hStatus, &status);
switch_core_set_globals();
/* attempt to initialize freeswitch and load modules */
if (switch_core_init_and_modload(flags, SWITCH_FALSE, &err) != SWITCH_STATUS_SUCCESS) {
/* freeswitch did not start successfully */
status.dwCurrentState = SERVICE_STOPPED;
} else {
/* freeswitch started */
status.dwCurrentState = SERVICE_RUNNING;
}
/* update the service status */
SetServiceStatus(hStatus, &status);
}
#else
void daemonize(int do_wait)
{
int fd;
pid_t pid;
if (!do_wait) {
switch (fork()) {
case 0:
break;
case -1:
fprintf(stderr, "Error Backgrounding (fork)! %d - %s\n", errno, strerror(errno));
exit(0);
break;
default:
exit(0);
}
if (setsid() < 0) {
fprintf(stderr, "Error Backgrounding (setsid)! %d - %s\n", errno, strerror(errno));
exit(0);
}
}
pid = fork();
switch (pid) {
case 0:
break;
case -1:
fprintf(stderr, "Error Backgrounding (fork2)! %d - %s\n", errno, strerror(errno));
exit(0);
break;
default:
{
fprintf(stderr, "%d Backgrounding.\n", (int) pid);
if (do_wait) {
unsigned int sanity = 60;
char *o;
if ((o = getenv("FREESWITCH_BG_TIMEOUT"))) {
int tmp = atoi(o);
if (tmp > 0) {
sanity = tmp;
}
}
while(--sanity && !system_ready) {
if (sanity % 2 == 0) {
printf("FreeSWITCH[%d] Waiting for background process pid:%d to be ready.....\n", getpid(), (int) pid);
}
sleep(1);
}
if (system_ready == 1) {
printf("FreeSWITCH[%d] System Ready pid:%d\n", (int) getpid(), (int) pid);
} else {
printf("FreeSWITCH[%d] Error starting system! pid:%d\n", (int)getpid(), (int) pid);
kill(pid, 9);
exit(-1);
}
}
}
exit(0);
}
if (do_wait) {
setsid();
}
/* redirect std* to null */
fd = open("/dev/null", O_RDONLY);
if (fd != 0) {
dup2(fd, 0);
close(fd);
}
fd = open("/dev/null", O_WRONLY);
if (fd != 1) {
dup2(fd, 1);
close(fd);
}
fd = open("/dev/null", O_WRONLY);
if (fd != 2) {
dup2(fd, 2);
close(fd);
}
}
#endif
/* the main application entry point */
int main(int argc, char *argv[])
{
char pid_path[256] = ""; /* full path to the pid file */
char pid_buffer[32] = ""; /* pid string */
char old_pid_buffer[32] = ""; /* pid string */
switch_size_t pid_len, old_pid_len;
const char *err = NULL; /* error value for return from freeswitch initialization */
#ifndef WIN32
int nf = 0; /* TRUE if we are running in nofork mode */
char *runas_user = NULL;
char *runas_group = NULL;
#else
int win32_service = 0;
#endif
int nc = 0; /* TRUE if we are running in noconsole mode */
pid_t pid = 0;
int i, x;
char *opts;
char opts_str[1024] = "";
char *local_argv[1024] = { 0 };
int local_argc = argc;
char *arg_argv[128] = { 0 };
char *usageDesc;
int alt_dirs = 0, log_set = 0, run_set = 0, do_kill = 0;
int known_opt;
int priority = 0;
#ifndef WIN32
int do_wait = 0;
#endif
#ifdef __sun
switch_core_flag_t flags = SCF_USE_SQL;
#else
switch_core_flag_t flags = SCF_USE_SQL | SCF_USE_AUTO_NAT | SCF_USE_NAT_MAPPING | SCF_CALIBRATE_CLOCK | SCF_USE_CLOCK_RT;
#endif
int ret = 0;
switch_status_t destroy_status;
switch_file_t *fd;
switch_memory_pool_t *pool = NULL;
#ifdef HAVE_SETRLIMIT
struct rlimit rlp;
int waste = 0;
#endif
for (x = 0; x < argc; x++) {
local_argv[x] = argv[x];
}
if ((opts = getenv("FREESWITCH_OPTS"))) {
strncpy(opts_str, opts, sizeof(opts_str) - 1);
i = switch_separate_string(opts_str, ' ', arg_argv, (sizeof(arg_argv) / sizeof(arg_argv[0])));
for (x = 0; x < i; x++) {
local_argv[local_argc++] = arg_argv[x];
}
}
if (local_argv[0] && strstr(local_argv[0], "freeswitchd")) {
nc++;
}
usageDesc = "these are the optional arguments you can pass to freeswitch\n"
#ifdef WIN32
"\t-service [name] -- start freeswitch as a service, cannot be used if loaded as a console app\n"
"\t-install [name] -- install freeswitch as a service, with optional service name\n"
"\t-uninstall -- remove freeswitch as a service\n"
"\t-monotonic-clock -- use monotonic clock as timer source\n"
#else
"\t-nf -- no forking\n"
"\t-u [user] -- specify user to switch to\n" "\t-g [group] -- specify group to switch to\n"
#endif
"\t-help -- this message\n" "\t-version -- print the version and exit\n"
#ifdef HAVE_SETRLIMIT
"\t-waste -- allow memory waste\n"
"\t-core -- dump cores\n"
#endif
"\t-rp -- enable high(realtime) priority settings\n"
"\t-lp -- enable low priority settings\n"
"\t-np -- enable normal priority settings (system defaults)\n"
"\t-vg -- run under valgrind\n"
"\t-nosql -- disable internal sql scoreboard\n"
"\t-heavy-timer -- Heavy Timer, possibly more accurate but at a cost\n"
"\t-nonat -- disable auto nat detection\n"
"\t-nonatmap -- disable auto nat port mapping\n"
"\t-nocal -- disable clock calibration\n"
"\t-nort -- disable clock clock_realtime\n"
"\t-stop -- stop freeswitch\n"
"\t-nc -- do not output to a console and background\n"
#ifndef WIN32
"\t-ncwait -- do not output to a console and background but wait until the system is ready before exiting (implies -nc)\n"
#endif
"\t-c -- output to a console and stay in the foreground\n"
"\t-conf [confdir] -- specify an alternate config dir\n"
"\t-log [logdir] -- specify an alternate log dir\n"
"\t-run [rundir] -- specify an alternate run dir\n"
"\t-db [dbdir] -- specify an alternate db dir\n"
"\t-mod [moddir] -- specify an alternate mod dir\n"
"\t-htdocs [htdocsdir] -- specify an alternate htdocs dir\n" "\t-scripts [scriptsdir] -- specify an alternate scripts dir\n";
for (x = 1; x < local_argc; x++) {
known_opt = 0;
#ifdef WIN32
if (x == 1) {
if (local_argv[x] && !strcmp(local_argv[x], "-service")) {
/* New installs will always have the service name specified, but keep a default for compat */
x++;
if (local_argv[x] && strlen(local_argv[x])) {
switch_copy_string(service_name, local_argv[x], SERVICENAME_MAXLEN);
} else {
switch_copy_string(service_name, SERVICENAME_DEFAULT, SERVICENAME_MAXLEN);
}
known_opt++;
win32_service++;
continue;
}
if (local_argv[x] && !strcmp(local_argv[x], "-install")) {
char exePath[1024];
char servicePath[1024];
x++;
if (local_argv[x] && strlen(local_argv[x])) {
switch_copy_string(service_name, local_argv[x], SERVICENAME_MAXLEN);
} else {
switch_copy_string(service_name, SERVICENAME_DEFAULT, SERVICENAME_MAXLEN);
}
known_opt++;
GetModuleFileName(NULL, exePath, 1024);
snprintf(servicePath, sizeof(servicePath), "%s -service %s", exePath, service_name);
{ /* Perform service installation */
SC_HANDLE hService;
SC_HANDLE hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (!hSCManager) {
fprintf(stderr, "Could not open service manager (%d).\n", GetLastError());
exit(1);
}
hService = CreateService(hSCManager, service_name, service_name, GENERIC_READ | GENERIC_EXECUTE | SERVICE_CHANGE_CONFIG, SERVICE_WIN32_OWN_PROCESS, SERVICE_AUTO_START, SERVICE_ERROR_IGNORE, servicePath, NULL, NULL, NULL, NULL, /* Service start name */
NULL);
if (!hService) {
fprintf(stderr, "Error creating freeswitch service (%d).\n", GetLastError());
} else {
/* Set desc, and don't care if it succeeds */
SERVICE_DESCRIPTION desc;
desc.lpDescription = "The FreeSWITCH service.";
if (!ChangeServiceConfig2(hService, SERVICE_CONFIG_DESCRIPTION, &desc)) {
fprintf(stderr, "FreeSWITCH installed, but could not set the service description (%d).\n", GetLastError());
}
CloseServiceHandle(hService);
}
CloseServiceHandle(hSCManager);
exit(0);
}
}
if (local_argv[x] && !strcmp(local_argv[x], "-uninstall")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
switch_copy_string(service_name, local_argv[x], SERVICENAME_MAXLEN);
} else {
switch_copy_string(service_name, SERVICENAME_DEFAULT, SERVICENAME_MAXLEN);
}
{ /* Do the uninstallation */
SC_HANDLE hService;
SC_HANDLE hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (!hSCManager) {
fprintf(stderr, "Could not open service manager (%d).\n", GetLastError());
exit(1);
}
hService = OpenService(hSCManager, service_name, DELETE);
known_opt++;
if (hService != NULL) {
/* remove the service! */
if (!DeleteService(hService)) {
fprintf(stderr, "Error deleting service (%d).\n", GetLastError());
}
CloseServiceHandle(hService);
} else {
fprintf(stderr, "Error opening service (%d).\n", GetLastError());
}
CloseServiceHandle(hSCManager);
exit(0);
}
}
}
if (local_argv[x] && !strcmp(local_argv[x], "-monotonic-clock")) {
flags |= SCF_USE_WIN32_MONOTONIC;
known_opt++;
}
#else
if (local_argv[x] && !strcmp(local_argv[x], "-u")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
runas_user = local_argv[x];
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-g")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
runas_group = local_argv[x];
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nf")) {
nf++;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-version")) {
fprintf(stdout, "FreeSWITCH version: %s\n", SWITCH_VERSION_FULL);
return 0;
known_opt++;
}
#endif
#ifdef HAVE_SETRLIMIT
if (local_argv[x] && !strcmp(local_argv[x], "-core")) {
memset(&rlp, 0, sizeof(rlp));
rlp.rlim_cur = RLIM_INFINITY;
rlp.rlim_max = RLIM_INFINITY;
setrlimit(RLIMIT_CORE, &rlp);
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-waste")) {
fprintf(stderr, "WARNING: Wasting up to 8 megs of memory per thread.\n");
sleep(2);
waste++;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-no-auto-stack")) {
waste++;
known_opt++;
}
#endif
if (local_argv[x] && (!strcmp(local_argv[x], "-hp") || !strcmp(local_argv[x], "-rp"))) {
priority = 2;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-lp")) {
priority = -1;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-np")) {
priority = 1;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nosql")) {
flags &= ~SCF_USE_SQL;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nonat")) {
flags &= ~SCF_USE_AUTO_NAT;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nonatmap")) {
flags &= ~SCF_USE_NAT_MAPPING;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-heavy-timer")) {
flags |= SCF_USE_HEAVY_TIMING;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nort")) {
flags &= ~SCF_USE_CLOCK_RT;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nocal")) {
flags &= ~SCF_CALIBRATE_CLOCK;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-vg")) {
flags |= SCF_VG;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-stop")) {
do_kill++;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-nc")) {
nc++;
known_opt++;
}
#ifndef WIN32
if (local_argv[x] && !strcmp(local_argv[x], "-ncwait")) {
nc++;
do_wait++;
known_opt++;
}
#endif
if (local_argv[x] && !strcmp(local_argv[x], "-c")) {
nc = 0;
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-conf")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.conf_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.conf_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.conf_dir, local_argv[x]);
alt_dirs++;
} else {
fprintf(stderr, "When using -conf you must specify a config directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-mod")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.mod_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.mod_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.mod_dir, local_argv[x]);
} else {
fprintf(stderr, "When using -mod you must specify a module directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-log")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.log_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.log_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.log_dir, local_argv[x]);
alt_dirs++;
log_set++;
} else {
fprintf(stderr, "When using -log you must specify a log directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-run")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.run_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.run_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.run_dir, local_argv[x]);
run_set++;
} else {
fprintf(stderr, "When using -run you must specify a pid directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-db")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.db_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.db_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.db_dir, local_argv[x]);
alt_dirs++;
} else {
fprintf(stderr, "When using -db you must specify a db directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-scripts")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.script_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.script_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.script_dir, local_argv[x]);
} else {
fprintf(stderr, "When using -scripts you must specify a scripts directory\n");
return 255;
}
known_opt++;
}
if (local_argv[x] && !strcmp(local_argv[x], "-htdocs")) {
x++;
if (local_argv[x] && strlen(local_argv[x])) {
SWITCH_GLOBAL_dirs.htdocs_dir = (char *) malloc(strlen(local_argv[x]) + 1);
if (!SWITCH_GLOBAL_dirs.htdocs_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.htdocs_dir, local_argv[x]);
} else {
fprintf(stderr, "When using -htdocs you must specify a htdocs directory\n");
return 255;
}
known_opt++;
}
if (!known_opt || (local_argv[x] && (!strcmp(local_argv[x], "-help") || !strcmp(local_argv[x], "-h") || !strcmp(local_argv[x], "-?")))) {
printf("%s\n", usageDesc);
exit(0);
}
}
if (log_set && !run_set) {
SWITCH_GLOBAL_dirs.run_dir = (char *) malloc(strlen(SWITCH_GLOBAL_dirs.log_dir) + 1);
if (!SWITCH_GLOBAL_dirs.run_dir) {
fprintf(stderr, "Allocation error\n");
return 255;
}
strcpy(SWITCH_GLOBAL_dirs.run_dir, SWITCH_GLOBAL_dirs.log_dir);
}
if (do_kill) {
return freeswitch_kill_background();
}
if (apr_initialize() != SWITCH_STATUS_SUCCESS) {
fprintf(stderr, "FATAL ERROR! Could not initialize APR\n");
return 255;
}
if (alt_dirs && alt_dirs != 3) {
fprintf(stderr, "You must specify all or none of -conf, -log, and -db\n");
return 255;
}
#if defined(HAVE_SETRLIMIT) && !defined(__sun)
if (!waste && !(flags & SCF_VG)) {
//int x;
memset(&rlp, 0, sizeof(rlp));
getrlimit(RLIMIT_STACK, &rlp);
if (rlp.rlim_max > SWITCH_THREAD_STACKSIZE) {
char buf[1024] = "";
int i = 0;
fprintf(stderr, "Error: stacksize %d is too large: run ulimit -s %d from your shell before starting the application.\nauto-adjusting stack size for optimal performance...\n",
(int) (rlp.rlim_max / 1024), SWITCH_THREAD_STACKSIZE / 1024);
memset(&rlp, 0, sizeof(rlp));
rlp.rlim_cur = SWITCH_THREAD_STACKSIZE;
rlp.rlim_max = SWITCH_THREAD_STACKSIZE;
setrlimit(RLIMIT_STACK, &rlp);
apr_terminate();
ret = (int) execv(argv[0], argv);
for (i = 0; i < argc; i++) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%s ", argv[i]);
}
return system(buf);
}
}
#endif
signal(SIGILL, handle_SIGILL);
signal(SIGTERM, handle_SIGILL);
#ifndef WIN32
if (do_wait) {
signal(SIGUSR2, handle_SIGUSR2);
signal(SIGCHLD, handle_SIGCHLD);
}
#endif
if (nc) {
#ifdef WIN32
FreeConsole();
#else
if (!nf) {
daemonize(do_wait);
}
#endif
}
switch(priority) {
case 2:
set_realtime_priority();
break;
case 1:
set_normal_priority();
break;
case -1:
set_low_priority();
break;
default:
set_auto_priority();
break;
}
switch_core_setrlimits();
#ifndef WIN32
if (runas_user || runas_group) {
if (change_user_group(runas_user, runas_group) < 0) {
fprintf(stderr, "Failed to switch user / group\n");
return 255;
}
}
#else
if (win32_service) {
{ /* Attempt to start service */
SERVICE_TABLE_ENTRY dispatchTable[] = {
{service_name, &service_main}
,
{NULL, NULL}
};
service_flags = flags; /* copy parsed flags for service startup */
if (StartServiceCtrlDispatcher(dispatchTable) == 0) {
/* Not loaded as a service */
fprintf(stderr, "Error Freeswitch loaded as a console app with -service option\n");
fprintf(stderr, "To install the service load freeswitch with -install\n");
}
exit(0);
}
}
#endif
switch_core_set_globals();
pid = getpid();
memset(pid_buffer, 0, sizeof(pid_buffer));
switch_snprintf(pid_path, sizeof(pid_path), "%s%s%s", SWITCH_GLOBAL_dirs.run_dir, SWITCH_PATH_SEPARATOR, pfile);
switch_snprintf(pid_buffer, sizeof(pid_buffer), "%d", pid);
pid_len = strlen(pid_buffer);
apr_pool_create(&pool, NULL);
switch_dir_make_recursive(SWITCH_GLOBAL_dirs.run_dir, SWITCH_DEFAULT_DIR_PERMS, pool);
if (switch_file_open(&fd, pid_path, SWITCH_FOPEN_READ, SWITCH_FPROT_UREAD | SWITCH_FPROT_UWRITE, pool) == SWITCH_STATUS_SUCCESS) {
old_pid_len = sizeof(old_pid_buffer);
switch_file_read(fd, old_pid_buffer, &old_pid_len);
switch_file_close(fd);
}
if (switch_file_open(&fd,
pid_path,
SWITCH_FOPEN_WRITE | SWITCH_FOPEN_CREATE | SWITCH_FOPEN_TRUNCATE,
SWITCH_FPROT_UREAD | SWITCH_FPROT_UWRITE, pool) != SWITCH_STATUS_SUCCESS) {
fprintf(stderr, "Cannot open pid file %s.\n", pid_path);
return 255;
}
if (switch_file_lock(fd, SWITCH_FLOCK_EXCLUSIVE | SWITCH_FLOCK_NONBLOCK) != SWITCH_STATUS_SUCCESS) {
fprintf(stderr, "Cannot lock pid file %s.\n", pid_path);
old_pid_len = strlen(old_pid_buffer);
if (strlen(old_pid_buffer)) {
switch_file_write(fd, old_pid_buffer, &old_pid_len);
}
return 255;
}
switch_file_write(fd, pid_buffer, &pid_len);
if (switch_core_init_and_modload(flags, nc ? SWITCH_FALSE : SWITCH_TRUE, &err) != SWITCH_STATUS_SUCCESS) {
fprintf(stderr, "Cannot Initialize [%s]\n", err);
return 255;
}
#ifndef WIN32
if (do_wait) {
kill(getppid(), SIGUSR2);
}
#endif
switch_core_runtime_loop(nc);
destroy_status = switch_core_destroy();
switch_file_close(fd);
apr_pool_destroy(pool);
if (unlink(pid_path) != 0) {
fprintf(stderr, "Failed to delete pid file [%s]\n", pid_path);
}
if (destroy_status == SWITCH_STATUS_RESTART) {
char buf[1024] = "";
int j = 0;
switch_sleep(1000000);
ret = (int) execv(argv[0], argv);
fprintf(stderr, "Restart Failed [%s] resorting to plan b\n", strerror(errno));
for (j = 0; j < argc; j++) {
switch_snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%s ", argv[j]);
}
ret = system(buf);
}
return ret;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/
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