mirror of https://github.com/asterisk/asterisk
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
446 lines
12 KiB
446 lines
12 KiB
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 1999 - 2005, Digium, Inc.
|
|
*
|
|
* Mark Spencer <markster@digium.com>
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
* This program is free software, distributed under the terms of
|
|
* the GNU General Public License Version 2. See the LICENSE file
|
|
* at the top of the source tree.
|
|
*/
|
|
|
|
/*
|
|
*
|
|
* Full-featured outgoing call spool support
|
|
*
|
|
*/
|
|
|
|
#include <sys/stat.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <utime.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <string.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include "asterisk/lock.h"
|
|
#include "asterisk/file.h"
|
|
#include "asterisk/logger.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/callerid.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/options.h"
|
|
#include "asterisk/utils.h"
|
|
|
|
/*
|
|
* pbx_spool is similar in spirit to qcall, but with substantially enhanced functionality...
|
|
* The spool file contains a header
|
|
*/
|
|
|
|
static char *tdesc = "Outgoing Spool Support";
|
|
static char qdir[255];
|
|
|
|
struct outgoing {
|
|
char fn[256];
|
|
/* Current number of retries */
|
|
int retries;
|
|
/* Maximum number of retries permitted */
|
|
int maxretries;
|
|
/* How long to wait between retries (in seconds) */
|
|
int retrytime;
|
|
/* How long to wait for an answer */
|
|
int waittime;
|
|
/* PID which is currently calling */
|
|
int callingpid;
|
|
|
|
/* What to connect to outgoing */
|
|
char tech[256];
|
|
char dest[256];
|
|
|
|
/* If application */
|
|
char app[256];
|
|
char data[256];
|
|
|
|
/* If extension/context/priority */
|
|
char exten[256];
|
|
char context[256];
|
|
int priority;
|
|
|
|
/* CallerID Information */
|
|
char cid_num[256];
|
|
char cid_name[256];
|
|
|
|
/* Variables and Functions */
|
|
struct ast_variable *vars;
|
|
|
|
/* Maximum length of call */
|
|
int maxlen;
|
|
};
|
|
|
|
static void init_outgoing(struct outgoing *o)
|
|
{
|
|
memset(o, 0, sizeof(struct outgoing));
|
|
o->priority = 1;
|
|
o->retrytime = 300;
|
|
o->waittime = 45;
|
|
}
|
|
|
|
static void free_outgoing(struct outgoing *o)
|
|
{
|
|
struct ast_variable *last;
|
|
while(o->vars) {
|
|
last = o->vars;
|
|
o->vars = o->vars->next;
|
|
free(last);
|
|
}
|
|
free(o);
|
|
}
|
|
|
|
static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
|
|
{
|
|
char buf[256];
|
|
char *c, *c2;
|
|
int lineno = 0;
|
|
struct ast_variable *var;
|
|
|
|
while(fgets(buf, sizeof(buf), f)) {
|
|
lineno++;
|
|
/* Trim comments */
|
|
c = buf;
|
|
while ((c = strchr(c, '#'))) {
|
|
if ((c == buf) || (*(c-1) == ' ') || (*(c-1) == '\t'))
|
|
*c = '\0';
|
|
else
|
|
c++;
|
|
}
|
|
|
|
c = buf;
|
|
while ((c = strchr(c, ';'))) {
|
|
if ((c > buf) && (c[-1] == '\\')) {
|
|
memmove(c - 1, c, strlen(c) + 1);
|
|
c++;
|
|
} else {
|
|
*c = '\0';
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Trim trailing white space */
|
|
while(!ast_strlen_zero(buf) && buf[strlen(buf) - 1] < 33)
|
|
buf[strlen(buf) - 1] = '\0';
|
|
if (!ast_strlen_zero(buf)) {
|
|
c = strchr(buf, ':');
|
|
if (c) {
|
|
*c = '\0';
|
|
c++;
|
|
while ((*c) && (*c < 33))
|
|
c++;
|
|
#if 0
|
|
printf("'%s' is '%s' at line %d\n", buf, c, lineno);
|
|
#endif
|
|
if (!strcasecmp(buf, "channel")) {
|
|
strncpy(o->tech, c, sizeof(o->tech) - 1);
|
|
if ((c2 = strchr(o->tech, '/'))) {
|
|
*c2 = '\0';
|
|
c2++;
|
|
strncpy(o->dest, c2, sizeof(o->dest) - 1);
|
|
} else {
|
|
ast_log(LOG_NOTICE, "Channel should be in form Tech/Dest at line %d of %s\n", lineno, fn);
|
|
o->tech[0] = '\0';
|
|
}
|
|
} else if (!strcasecmp(buf, "callerid")) {
|
|
ast_callerid_split(c, o->cid_name, sizeof(o->cid_name), o->cid_num, sizeof(o->cid_num));
|
|
} else if (!strcasecmp(buf, "application")) {
|
|
strncpy(o->app, c, sizeof(o->app) - 1);
|
|
} else if (!strcasecmp(buf, "data")) {
|
|
strncpy(o->data, c, sizeof(o->data) - 1);
|
|
} else if (!strcasecmp(buf, "maxretries")) {
|
|
if (sscanf(c, "%d", &o->maxretries) != 1) {
|
|
ast_log(LOG_WARNING, "Invalid max retries at line %d of %s\n", lineno, fn);
|
|
o->maxretries = 0;
|
|
}
|
|
} else if (!strcasecmp(buf, "context")) {
|
|
strncpy(o->context, c, sizeof(o->context) - 1);
|
|
} else if (!strcasecmp(buf, "extension")) {
|
|
strncpy(o->exten, c, sizeof(o->exten) - 1);
|
|
} else if (!strcasecmp(buf, "priority")) {
|
|
if ((sscanf(c, "%d", &o->priority) != 1) || (o->priority < 1)) {
|
|
ast_log(LOG_WARNING, "Invalid priority at line %d of %s\n", lineno, fn);
|
|
o->priority = 1;
|
|
}
|
|
} else if (!strcasecmp(buf, "retrytime")) {
|
|
if ((sscanf(c, "%d", &o->retrytime) != 1) || (o->retrytime < 1)) {
|
|
ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
|
|
o->retrytime = 300;
|
|
}
|
|
} else if (!strcasecmp(buf, "waittime")) {
|
|
if ((sscanf(c, "%d", &o->waittime) != 1) || (o->waittime < 1)) {
|
|
ast_log(LOG_WARNING, "Invalid retrytime at line %d of %s\n", lineno, fn);
|
|
o->waittime = 45;
|
|
}
|
|
} else if (!strcasecmp(buf, "retry")) {
|
|
o->retries++;
|
|
} else if (!strcasecmp(buf, "startretry")) {
|
|
if (sscanf(c, "%d", &o->callingpid) != 1) {
|
|
ast_log(LOG_WARNING, "Unable to retrieve calling PID!\n");
|
|
o->callingpid = 0;
|
|
}
|
|
} else if (!strcasecmp(buf, "endretry") || !strcasecmp(buf, "abortretry")) {
|
|
o->callingpid = 0;
|
|
o->retries++;
|
|
} else if (!strcasecmp(buf, "delayedretry")) {
|
|
} else if (!strcasecmp(buf, "setvar") || !strcasecmp(buf, "set")) {
|
|
c2 = c;
|
|
strsep(&c2, "=");
|
|
var = ast_variable_new(c, c2);
|
|
if (var) {
|
|
var->next = o->vars;
|
|
o->vars = var;
|
|
}
|
|
} else if (!strcasecmp(buf, "account")) {
|
|
var = ast_variable_new("CDR(accountcode|r)", c);
|
|
if (var) {
|
|
var->next = o->vars;
|
|
o->vars = var;
|
|
}
|
|
} else {
|
|
ast_log(LOG_WARNING, "Unknown keyword '%s' at line %d of %s\n", buf, lineno, fn);
|
|
}
|
|
} else
|
|
ast_log(LOG_NOTICE, "Syntax error at line %d of %s\n", lineno, fn);
|
|
}
|
|
}
|
|
strncpy(o->fn, fn, sizeof(o->fn) - 1);
|
|
if (ast_strlen_zero(o->tech) || ast_strlen_zero(o->dest) || (ast_strlen_zero(o->app) && ast_strlen_zero(o->exten))) {
|
|
ast_log(LOG_WARNING, "At least one of app or extension must be specified, along with tech and dest in file %s\n", fn);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void safe_append(struct outgoing *o, time_t now, char *s)
|
|
{
|
|
int fd;
|
|
FILE *f;
|
|
struct utimbuf tbuf;
|
|
fd = open(o->fn, O_WRONLY|O_APPEND);
|
|
if (fd > -1) {
|
|
f = fdopen(fd, "a");
|
|
if (f) {
|
|
fprintf(f, "%s: %ld %d (%ld)\n", s, (long)ast_mainpid, o->retries, (long) now);
|
|
fclose(f);
|
|
} else
|
|
close(fd);
|
|
/* Update the file time */
|
|
tbuf.actime = now;
|
|
tbuf.modtime = now + o->retrytime;
|
|
if (utime(o->fn, &tbuf))
|
|
ast_log(LOG_WARNING, "Unable to set utime on %s: %s\n", o->fn, strerror(errno));
|
|
}
|
|
}
|
|
|
|
static void *attempt_thread(void *data)
|
|
{
|
|
struct outgoing *o = data;
|
|
int res, reason;
|
|
if (!ast_strlen_zero(o->app)) {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "Attempting call on %s/%s for application %s(%s) (Retry %d)\n", o->tech, o->dest, o->app, o->data, o->retries);
|
|
res = ast_pbx_outgoing_app(o->tech, AST_FORMAT_SLINEAR, o->dest, o->waittime * 1000, o->app, o->data, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, NULL);
|
|
} else {
|
|
if (option_verbose > 2)
|
|
ast_verbose(VERBOSE_PREFIX_3 "Attempting call on %s/%s for %s@%s:%d (Retry %d)\n", o->tech, o->dest, o->exten, o->context,o->priority, o->retries);
|
|
res = ast_pbx_outgoing_exten(o->tech, AST_FORMAT_SLINEAR, o->dest, o->waittime * 1000, o->context, o->exten, o->priority, &reason, 2 /* wait to finish */, o->cid_num, o->cid_name, o->vars, NULL);
|
|
}
|
|
if (res) {
|
|
ast_log(LOG_NOTICE, "Call failed to go through, reason %d\n", reason);
|
|
if (o->retries >= o->maxretries + 1) {
|
|
/* Max retries exceeded */
|
|
ast_log(LOG_EVENT, "Queued call to %s/%s expired without completion after %d attempt%s\n", o->tech, o->dest, o->retries - 1, ((o->retries - 1) != 1) ? "s" : "");
|
|
unlink(o->fn);
|
|
} else {
|
|
/* Notate that the call is still active */
|
|
safe_append(o, time(NULL), "EndRetry");
|
|
}
|
|
} else {
|
|
ast_log(LOG_NOTICE, "Call completed to %s/%s\n", o->tech, o->dest);
|
|
ast_log(LOG_EVENT, "Queued call to %s/%s completed\n", o->tech, o->dest);
|
|
unlink(o->fn);
|
|
}
|
|
free_outgoing(o);
|
|
return NULL;
|
|
}
|
|
|
|
static void launch_service(struct outgoing *o)
|
|
{
|
|
pthread_t t;
|
|
pthread_attr_t attr;
|
|
pthread_attr_init(&attr);
|
|
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
|
|
if (ast_pthread_create(&t,&attr,attempt_thread, o) == -1) {
|
|
ast_log(LOG_WARNING, "Unable to create thread :(\n");
|
|
free_outgoing(o);
|
|
}
|
|
}
|
|
|
|
static int scan_service(char *fn, time_t now, time_t atime)
|
|
{
|
|
struct outgoing *o;
|
|
FILE *f;
|
|
o = malloc(sizeof(struct outgoing));
|
|
if (o) {
|
|
init_outgoing(o);
|
|
f = fopen(fn, "r+");
|
|
if (f) {
|
|
if (!apply_outgoing(o, fn, f)) {
|
|
#if 0
|
|
printf("Filename: %s, Retries: %d, max: %d\n", fn, o->retries, o->maxretries);
|
|
#endif
|
|
fclose(f);
|
|
if (o->retries <= o->maxretries) {
|
|
if (o->callingpid && (o->callingpid == ast_mainpid)) {
|
|
safe_append(o, time(NULL), "DelayedRetry");
|
|
ast_log(LOG_DEBUG, "Delaying retry since we're currently running '%s'\n", o->fn);
|
|
} else {
|
|
/* Increment retries */
|
|
o->retries++;
|
|
/* If someone else was calling, they're presumably gone now
|
|
so abort their retry and continue as we were... */
|
|
if (o->callingpid)
|
|
safe_append(o, time(NULL), "AbortRetry");
|
|
|
|
safe_append(o, now, "StartRetry");
|
|
launch_service(o);
|
|
}
|
|
now += o->retrytime;
|
|
return now;
|
|
} else {
|
|
ast_log(LOG_EVENT, "Queued call to %s/%s expired without completion after %d attempt%s\n", o->tech, o->dest, o->retries - 1, ((o->retries - 1) != 1) ? "s" : "");
|
|
free_outgoing(o);
|
|
unlink(fn);
|
|
return 0;
|
|
}
|
|
} else {
|
|
free_outgoing(o);
|
|
ast_log(LOG_WARNING, "Invalid file contents in %s, deleting\n", fn);
|
|
fclose(f);
|
|
unlink(fn);
|
|
}
|
|
} else {
|
|
free_outgoing(o);
|
|
ast_log(LOG_WARNING, "Unable to open %s: %s, deleting\n", fn, strerror(errno));
|
|
unlink(fn);
|
|
}
|
|
} else
|
|
ast_log(LOG_WARNING, "Out of memory :(\n");
|
|
return -1;
|
|
}
|
|
|
|
static void *scan_thread(void *unused)
|
|
{
|
|
struct stat st;
|
|
DIR *dir;
|
|
struct dirent *de;
|
|
char fn[256];
|
|
int res;
|
|
time_t last = 0, next = 0, now;
|
|
for(;;) {
|
|
/* Wait a sec */
|
|
sleep(1);
|
|
time(&now);
|
|
if (!stat(qdir, &st)) {
|
|
if ((st.st_mtime != last) || (next && (now > next))) {
|
|
#if 0
|
|
printf("atime: %ld, mtime: %ld, ctime: %ld\n", st.st_atime, st.st_mtime, st.st_ctime);
|
|
printf("Ooh, something changed / timeout\n");
|
|
#endif
|
|
next = 0;
|
|
last = st.st_mtime;
|
|
dir = opendir(qdir);
|
|
if (dir) {
|
|
while((de = readdir(dir))) {
|
|
snprintf(fn, sizeof(fn), "%s/%s", qdir, de->d_name);
|
|
if (!stat(fn, &st)) {
|
|
if (S_ISREG(st.st_mode)) {
|
|
if (st.st_mtime <= now) {
|
|
res = scan_service(fn, now, st.st_atime);
|
|
if (res > 0) {
|
|
/* Update next service time */
|
|
if (!next || (res < next)) {
|
|
next = res;
|
|
}
|
|
} else if (res)
|
|
ast_log(LOG_WARNING, "Failed to scan service '%s'\n", fn);
|
|
} else {
|
|
/* Update "next" update if necessary */
|
|
if (!next || (st.st_mtime < next))
|
|
next = st.st_mtime;
|
|
}
|
|
}
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to stat %s: %s\n", fn, strerror(errno));
|
|
}
|
|
closedir(dir);
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to open directory %s: %s\n", qdir, strerror(errno));
|
|
}
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to stat %s\n", qdir);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int unload_module(void)
|
|
{
|
|
return -1;
|
|
}
|
|
|
|
int load_module(void)
|
|
{
|
|
pthread_t thread;
|
|
pthread_attr_t attr;
|
|
snprintf(qdir, sizeof(qdir), "%s/%s", ast_config_AST_SPOOL_DIR, "outgoing");
|
|
if (mkdir(qdir, 0700) && (errno != EEXIST)) {
|
|
ast_log(LOG_WARNING, "Unable to create queue directory %s -- outgoing spool disabled\n", qdir);
|
|
return 0;
|
|
}
|
|
pthread_attr_init(&attr);
|
|
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
|
|
if (ast_pthread_create(&thread,&attr,scan_thread, NULL) == -1) {
|
|
ast_log(LOG_WARNING, "Unable to create thread :(\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
char *description(void)
|
|
{
|
|
return tdesc;
|
|
}
|
|
|
|
int usecount(void)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
char *key()
|
|
{
|
|
return ASTERISK_GPL_KEY;
|
|
}
|