Asterisk
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asterisk
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Version 0.1.12 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@448 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.0
Mark Spencer 23 years ago
parent 75a75233da
commit b3abeb59d3
2 changed files with 341 additions and 27 deletions
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261
asterisk.c
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@ -23,6 +23,7 @@
#include <asterisk/module.h>
#include <asterisk/image.h>
#include <asterisk/tdd.h>
#include <asterisk/term.h>
#include <fcntl.h>
#include <stdio.h>
#include <signal.h>
@ -50,6 +51,7 @@ int option_highpriority=0;
int option_remote=0;
int option_exec=0;
int option_initcrypto=0;
int option_nocolor;
int fully_booted = 0;
static int ast_socket = -1; /* UNIX Socket for allowing remote control */
@ -300,9 +302,55 @@ static int set_priority(int pri)
return 0;
}
static void quit_handler(int num)
static char *_argv[256];
static int shuttingdown = 0;
static void quit_handler(int num, int nice, int safeshutdown, int restart)
{
char filename[80] = "";
time_t s,e;
int x;
if (safeshutdown) {
shuttingdown = 1;
if (!nice) {
/* Begin shutdown routine, hanging up active channels */
ast_begin_shutdown(1);
if (option_verbose && option_console)
ast_verbose("Beginning asterisk %s....\n", restart ? "restart" : "shutdown");
time(&s);
for(;;) {
time(&e);
/* Wait up to 15 seconds for all channels to go away */
if ((e - s) > 15)
break;
if (!ast_active_channels())
break;
if (!shuttingdown)
break;
/* Sleep 1/10 of a second */
usleep(100000);
}
} else {
if (nice < 2)
ast_begin_shutdown(0);
if (option_verbose && option_console)
ast_verbose("Waiting for inactivity to perform %s...\n", restart ? "restart" : "halt");
for(;;) {
if (!ast_active_channels())
break;
if (!shuttingdown)
break;
sleep(1);
}
}
if (!shuttingdown) {
if (option_verbose && option_console)
ast_verbose("Asterisk %s cancelled.\n", restart ? "restart" : "shutdown");
return;
}
}
if (option_console || option_remote) {
if (getenv("HOME"))
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
@ -312,7 +360,7 @@ static void quit_handler(int num)
}
/* Called on exit */
if (option_verbose && option_console)
ast_verbose("Asterisk ending (%d).\n", num);
ast_verbose("Asterisk %s ending (%d).\n", ast_active_channels() ? "uncleanly" : "cleanly", num);
else if (option_debug)
ast_log(LOG_DEBUG, "Asterisk ending (%d).\n", num);
if (ast_socket > -1)
@ -321,17 +369,50 @@ static void quit_handler(int num)
close(ast_consock);
if (ast_socket > -1)
unlink(AST_SOCKET);
exit(0);
printf(term_quit());
if (restart) {
if (option_verbose || option_console)
ast_verbose("Preparing for Asterisk restart...\n");
/* Mark all FD's for closing on exec */
for (x=3;x<32768;x++) {
fcntl(x, F_SETFD, FD_CLOEXEC);
}
if (option_verbose || option_console)
ast_verbose("Restarting Asterisk NOW...\n");
execvp(_argv[0], _argv);
} else
exit(0);
}
static void __quit_handler(int num)
{
quit_handler(num, 0, 1, 0);
}
static pthread_t consolethread = -1;
static int fix_header(char *outbuf, int maxout, char **s, char *cmp)
{
if (!strncmp(*s, cmp, strlen(cmp))) {
*s += strlen(cmp);
term_color(outbuf, cmp, COLOR_GRAY, 0, maxout);
return 1;
}
return 0;
}
static void console_verboser(char *s, int pos, int replace, int complete)
{
char tmp[80];
/* Return to the beginning of the line */
if (!pos)
if (!pos) {
fprintf(stdout, "\r");
if (fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_4) ||
fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_3) ||
fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_2) ||
fix_header(tmp, sizeof(tmp), &s, VERBOSE_PREFIX_1))
fputs(tmp, stdout);
}
fputs(s + pos,stdout);
fflush(stdout);
if (complete)
@ -341,6 +422,8 @@ static void console_verboser(char *s, int pos, int replace, int complete)
static void consolehandler(char *s)
{
printf(term_end());
fflush(stdout);
/* Called when readline data is available */
if (s && strlen(s))
add_history(s);
@ -379,7 +462,7 @@ static void remoteconsolehandler(char *s)
if (!strcasecmp(s, "help"))
fprintf(stdout, " !<command> Executes a given shell command\n");
if (!strcasecmp(s, "quit"))
quit_handler(0);
quit_handler(0, 0, 0, 0);
} else
fprintf(stdout, "\nUse \"quit\" to exit\n");
}
@ -388,15 +471,88 @@ static char quit_help[] =
"Usage: quit\n"
" Exits Asterisk.\n";
static char shutdown_help[] =
"Usage: shutdown\n"
" Shuts down a running Asterisk PBX.\n";
static char abort_halt_help[] =
"Usage: abort shutdown\n"
" Causes Asterisk to abort an executing shutdown or restart, and resume normal\n"
" call operations.\n";
static char shutdown_now_help[] =
"Usage: shutdown now\n"
" Shuts down a running Asterisk immediately, hanging up all active calls .\n";
static char shutdown_gracefully_help[] =
"Usage: shutdown gracefully\n"
" Causes Asterisk to not accept new calls, and exit when all\n"
" active calls have terminated normally.\n";
static char restart_now_help[] =
"Usage: restart now\n"
" Causes Asterisk to hangup all calls and exec() itself performing a cold.\n"
" restart.\n";
static char restart_gracefully_help[] =
"Usage: restart gracefully\n"
" Causes Asterisk to stop accepting new calls and exec() itself performing a cold.\n"
" restart when all active calls have ended.\n";
static char restart_when_convenient_help[] =
"Usage: restart when convenient\n"
" Causes Asterisk to perform a cold restart when all active calls have ended.\n";
static int handle_quit(int fd, int argc, char *argv[])
{
if (argc != 1)
return RESULT_SHOWUSAGE;
quit_handler(0);
quit_handler(0, 0, 1, 0);
return RESULT_SUCCESS;
}
static int handle_shutdown_now(int fd, int argc, char *argv[])
{
if (argc != 2)
return RESULT_SHOWUSAGE;
quit_handler(0, 0 /* Not nice */, 1 /* safely */, 0 /* not restart */);
return RESULT_SUCCESS;
}
static int handle_shutdown_gracefully(int fd, int argc, char *argv[])
{
if (argc != 2)
return RESULT_SHOWUSAGE;
quit_handler(0, 1 /* nicely */, 1 /* safely */, 0 /* no restart */);
return RESULT_SUCCESS;
}
static int handle_restart_now(int fd, int argc, char *argv[])
{
if (argc != 2)
return RESULT_SHOWUSAGE;
quit_handler(0, 0 /* not nicely */, 1 /* safely */, 1 /* restart */);
return RESULT_SUCCESS;
}
static int handle_restart_gracefully(int fd, int argc, char *argv[])
{
if (argc != 2)
return RESULT_SHOWUSAGE;
quit_handler(0, 1 /* nicely */, 1 /* safely */, 1 /* restart */);
return RESULT_SUCCESS;
}
static int handle_restart_when_convenient(int fd, int argc, char *argv[])
{
if (argc != 3)
return RESULT_SHOWUSAGE;
quit_handler(0, 2 /* really nicely */, 1 /* safely */, 1 /* restart */);
return RESULT_SUCCESS;
}
static int handle_abort_halt(int fd, int argc, char *argv[])
{
if (argc != 2)
return RESULT_SHOWUSAGE;
ast_cancel_shutdown();
shuttingdown = 0;
return RESULT_SUCCESS;
}
@ -404,9 +560,15 @@ static int handle_quit(int fd, int argc, char *argv[])
#define ASTERISK_PROMPT2 "%s*CLI> "
static struct ast_cli_entry aborthalt = { { "abort", "halt", NULL }, handle_abort_halt, "Cancel a running halt", abort_halt_help };
static struct ast_cli_entry quit = { { "quit", NULL }, handle_quit, "Exit Asterisk", quit_help };
static struct ast_cli_entry astshutdown = { { "shutdown", NULL }, handle_quit, "Shut down an Asterisk PBX", shutdown_help };
static struct ast_cli_entry astshutdownnow = { { "shutdown", "now", NULL }, handle_shutdown_now, "Shut down Asterisk imediately", shutdown_now_help };
static struct ast_cli_entry astshutdowngracefully = { { "shutdown", "gracefully", NULL }, handle_shutdown_gracefully, "Gracefully shut down Asterisk", shutdown_gracefully_help };
static struct ast_cli_entry astrestartnow = { { "restart", "now", NULL }, handle_restart_now, "Restart Asterisk immediately", restart_now_help };
static struct ast_cli_entry astrestartgracefully = { { "restart", "gracefully", NULL }, handle_restart_gracefully, "Restart Asterisk gracefully", restart_gracefully_help };
static struct ast_cli_entry astrestartwhenconvenient= { { "restart", "when", "convenient", NULL }, handle_restart_when_convenient, "Restart Asterisk at empty call volume", restart_when_convenient_help };
static char *cli_generator(char *text, int state)
{
@ -471,8 +633,10 @@ static void ast_remotecontrol(char * data)
snprintf(filename, sizeof(filename), "%s/.asterisk_history", getenv("HOME"));
if (strlen(filename))
read_history(filename);
ast_cli_register(&quit);
ast_cli_register(&astshutdown);
ast_cli_register(&quit);
#if 0
ast_cli_register(&astshutdown);
#endif
rl_callback_handler_install(tmp, remoteconsolehandler);
rl_completion_entry_function = (Function *)console_cli_generator;
for(;;) {
@ -539,9 +703,20 @@ int main(int argc, char *argv[])
int pid;
char filename[80] = "";
char hostname[256];
char tmp[80];
char * xarg = NULL;
int x;
sigset_t sigs;
/* Remember original args for restart */
if (argc > sizeof(_argv) / sizeof(_argv[0]) - 1) {
fprintf(stderr, "Truncating argument size to %d\n", sizeof(_argv) / sizeof(_argv[0]) - 1);
argc = sizeof(_argv) / sizeof(_argv[0]) - 1;
}
for (x=0;x<argc;x++)
_argv[x] = argv[x];
_argv[x] = NULL;
if (gethostname(hostname, sizeof(hostname)))
strncpy(hostname, "<Unknown>", sizeof(hostname)-1);
mainpid = getpid();
@ -557,7 +732,7 @@ int main(int argc, char *argv[])
exit(1);
}
/* Check for options */
while((c=getopt(argc, argv, "fdvqprcix:")) != EOF) {
while((c=getopt(argc, argv, "fdvqprcinx:")) != EOF) {
switch(c) {
case 'd':
option_debug++;
@ -570,6 +745,9 @@ int main(int argc, char *argv[])
case 'f':
option_nofork++;
break;
case 'n':
option_nocolor++;
break;
case 'r':
option_remote++;
option_nofork++;
@ -595,28 +773,35 @@ int main(int argc, char *argv[])
exit(1);
}
}
term_init();
printf(term_end());
fflush(stdout);
if (ast_tryconnect()) {
/* One is already running */
if (option_remote) {
if (option_exec) {
ast_remotecontrol(xarg);
quit_handler(0);
quit_handler(0, 0, 0, 0);
exit(0);
}
printf(term_quit());
ast_register_verbose(console_verboser);
ast_verbose( "Asterisk " ASTERISK_VERSION ", Copyright (C) 1999-2001 Linux Support Services, Inc.\n");
ast_verbose( "Written by Mark Spencer <markster@linux-support.net>\n");
ast_verbose( "=========================================================================\n");
ast_remotecontrol(NULL);
quit_handler(0);
quit_handler(0, 0, 0, 0);
exit(0);
} else {
ast_log(LOG_ERROR, "Asterisk already running on %s. Use 'asterisk -r' to connect.\n", AST_SOCKET);
printf(term_quit());
exit(1);
}
} else if (option_remote || option_exec) {
ast_log(LOG_ERROR, "Unable to connect to remote asterisk\n");
printf(term_quit());
exit(1);
}
@ -624,6 +809,7 @@ int main(int argc, char *argv[])
pid = fork();
if (pid < 0) {
ast_log(LOG_ERROR, "Unable to fork(): %s\n", strerror(errno));
printf(term_quit());
exit(1);
}
if (pid)
@ -649,31 +835,48 @@ int main(int argc, char *argv[])
if (option_console && !option_verbose)
ast_verbose("[ Booting...");
signal(SIGURG, urg_handler);
signal(SIGINT, quit_handler);
signal(SIGTERM, quit_handler);
signal(SIGINT, __quit_handler);
signal(SIGTERM, __quit_handler);
signal(SIGHUP, hup_handler);
signal(SIGPIPE, pipe_handler);
if (set_priority(option_highpriority))
if (set_priority(option_highpriority)) {
printf(term_quit());
exit(1);
if (init_logger())
}
if (init_logger()) {
printf(term_quit());
exit(1);
if (ast_image_init())
}
if (ast_image_init()) {
printf(term_quit());
exit(1);
if (load_pbx())
}
if (load_pbx()) {
printf(term_quit());
exit(1);
if (load_modules())
}
if (load_modules()) {
printf(term_quit());
exit(1);
if (init_framer())
}
if (init_framer()) {
printf(term_quit());
exit(1);
}
/* We might have the option of showing a console, but for now just
do nothing... */
if (option_console && !option_verbose)
ast_verbose(" ]\n");
if (option_verbose || option_console)
ast_verbose( "Asterisk Ready.\n");
ast_verbose(term_color(tmp, "Asterisk Ready.\n", COLOR_BRWHITE, COLOR_BLACK, sizeof(tmp)));
fully_booted = 1;
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
ast_cli_register(&astshutdown);
ast_cli_register(&astshutdownnow);
ast_cli_register(&astshutdowngracefully);
ast_cli_register(&astrestartnow);
ast_cli_register(&astrestartgracefully);
ast_cli_register(&astrestartwhenconvenient);
ast_cli_register(&aborthalt);
if (option_console) {
/* Console stuff now... */
/* Register our quit function */
@ -685,14 +888,18 @@ int main(int argc, char *argv[])
consolethread = pthread_self();
if (strlen(filename))
read_history(filename);
rl_callback_handler_install(ASTERISK_PROMPT, consolehandler);
term_prompt(tmp, ASTERISK_PROMPT, sizeof(tmp));
rl_callback_handler_install(tmp, consolehandler);
rl_completion_entry_function = (Function *)cli_generator;
for(;;) {
FD_ZERO(&rfds);
FD_SET(STDIN_FILENO, &rfds);
res = select(STDIN_FILENO + 1, &rfds, NULL, NULL, NULL);
if (res > 0) {
printf(term_prep());
rl_callback_read_char();
printf(term_end());
fflush(stdout);
} else if (res < 1) {
rl_forced_update_display();
}

107
include/asterisk/lock.h
Unescape View File

@ -0,0 +1,107 @@
/*
* Asterisk -- A telephony toolkit for Linux.
*
* General Asterisk channel definitions.
*
* Copyright (C) 1999, Mark Spencer
*
* Mark Spencer <markster@linux-support.net>
*
* This program is free software, distributed under the terms of
* the GNU General Public License
*/
#ifndef _ASTERISK_LOCK_H
#define _ASTERISK_LOCK_H
#include <pthread.h>
#ifdef DEBUG_THREADS
#define TRIES 50
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
// #define AST_MUTEX_INITIALIZER PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
// #define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE_NP
#ifdef PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
#define AST_MUTEX_INITIALIZER PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP
#define AST_MUTEX_KIND PTHREAD_MUTEX_ERRORCHECK_NP
#else
#define AST_MUTEX_INITIALIZER PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP
#define AST_MUTEX_KIND PTHREAD_MUTEX_RECURSIVE_NP
#endif
struct mutex_info {
pthread_mutex_t *mutex;
char *file;
int lineno;
char *func;
struct mutex_info *next;
};
static inline int ast_pthread_mutex_init(pthread_mutex_t *t) {
static pthread_mutexattr_t attr;
static int init = 1;
extern int pthread_mutexattr_setkind_np(pthread_mutexattr_t *, int);
if (init) {
pthread_mutexattr_init(&attr);
pthread_mutexattr_setkind_np(&attr, AST_MUTEX_KIND);
init = 0;
}
return pthread_mutex_init(t, &attr);
}
static inline int __ast_pthread_mutex_lock(char *filename, int lineno, char *func, pthread_mutex_t *t) {
int res;
int tries = TRIES;
do {
res = pthread_mutex_trylock(t);
/* If we can't run, yield */
if (res) {
sched_yield();
usleep(1);
}
} while(res && tries--);
if (res) {
fprintf(stderr, "%s line %d (%s): Error obtaining mutex: %s\n",
filename, lineno, func, strerror(res));
if ((res = pthread_mutex_lock(t)))
fprintf(stderr, "%s line %d (%s): Error waiting for mutex: %s\n",
filename, lineno, func, strerror(res));
else
fprintf(stderr, "%s line %d (%s): Got it eventually...\n",
filename, lineno, func);
}
return res;
}
#define ast_pthread_mutex_lock(a) __ast_pthread_mutex_lock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a)
static inline int __ast_pthread_mutex_unlock(char *filename, int lineno, char *func, pthread_mutex_t *t) {
int res;
res = pthread_mutex_unlock(t);
if (res)
fprintf(stderr, "%s line %d (%s): Error releasing mutex: %s\n",
filename, lineno, func, strerror(res));
return res;
}
#define ast_pthread_mutex_unlock(a) __ast_pthread_mutex_unlock(__FILE__, __LINE__, __PRETTY_FUNCTION__, a)
#else
#define AST_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
#define AST_MUTEX_KIND PTHREAD_MUTEX_FAST_NP
#define ast_pthread_mutex_initi(mutex,kind) pthread_mutex_init(mutex)
#define ast_pthread_mutex_lock pthread_mutex_lock
#define ast_pthread_mutex_unlock pthread_mutex_unlock
#endif
#endif
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