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asterisk/apps/app_followme.c

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/*
* Asterisk -- A telephony toolkit for Linux.
*
* A full-featured Find-Me/Follow-Me Application
*
* Copyright (C) 2005-2006, BJ Weschke All Rights Reserved.
*
* BJ Weschke <bweschke@btwtech.com>
*
* This code is released by the author with no restrictions on usage.
*
* 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.
*
*/
/*! \file
*
* \brief Find-Me Follow-Me application
*
* \author BJ Weschke <bweschke@btwtech.com>
*
* \arg See \ref Config_followme
*
* \ingroup applications
*/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$revision$")
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <signal.h>
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/module.h"
#include "asterisk/translate.h"
#include "asterisk/say.h"
#include "asterisk/features.h"
#include "asterisk/musiconhold.h"
#include "asterisk/cli.h"
#include "asterisk/manager.h"
#include "asterisk/config.h"
#include "asterisk/monitor.h"
#include "asterisk/utils.h"
#include "asterisk/causes.h"
#include "asterisk/astdb.h"
#include "asterisk/app.h"
static char *app = "FollowMe";
static char *synopsis =
"Find-Me/Follow-Me.";
static char *descrip =
" FollowMe(followmeid|options):\n"
"This application performs Find-Me/Follow-Me functionality for the caller\n"
"as defined in the profile matching the <followmeid> parameter in\n"
"followme.conf. If the specified <followmeid> profile doesn't exist in\n"
"followme.conf, execution will be returned to the dialplan and call\n"
"execution will continue at the next priority.\n\n"
" Options:\n"
" s - Playback the incoming status message prior to starting the follow-me step(s)\n"
" a - Record the caller's name so it can be announced to the callee on each step\n"
" n - Playback the unreachable status message if we've run out of steps to reach the\n"
" or the callee has elected not to be reachable.\n";
struct number {
char number[512]; /*!< Phone Number(s) and/or Extension(s) */
long timeout; /*!< Dial Timeout, if used. */
int order; /*!< The order to dial in */
AST_LIST_ENTRY(number) entry; /*!< Next Number record */
};
struct ast_call_followme {
ast_mutex_t lock;
char name[AST_MAX_EXTENSION]; /*!< Name - FollowMeID */
char moh[AST_MAX_CONTEXT]; /*!< Music On Hold Class to be used */
char context[AST_MAX_CONTEXT]; /*!< Context to dial from */
unsigned int active; /*!< Profile is active (1), or disabled (0). */
char takecall[20]; /*!< Digit mapping to take a call */
char nextindp[20]; /*!< Digit mapping to decline a call */
char callfromprompt[PATH_MAX];
char norecordingprompt[PATH_MAX];
char optionsprompt[PATH_MAX];
char plsholdprompt[PATH_MAX];
char statusprompt[PATH_MAX];
char sorryprompt[PATH_MAX];
AST_LIST_HEAD_NOLOCK(numbers, number) numbers; /*!< Head of the list of follow-me numbers */
AST_LIST_HEAD_NOLOCK(blnumbers, number) blnumbers; /*!< Head of the list of black-listed numbers */
AST_LIST_HEAD_NOLOCK(wlnumbers, number) wlnumbers; /*!< Head of the list of white-listed numbers */
AST_LIST_ENTRY(ast_call_followme) entry; /*!< Next Follow-Me record */
};
struct fm_args {
struct ast_channel *chan;
char *mohclass;
AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
int status;
char context[AST_MAX_CONTEXT];
char namerecloc[AST_MAX_CONTEXT];
struct ast_channel *outbound;
char takecall[20]; /*!< Digit mapping to take a call */
char nextindp[20]; /*!< Digit mapping to decline a call */
char callfromprompt[PATH_MAX];
char norecordingprompt[PATH_MAX];
char optionsprompt[PATH_MAX];
char plsholdprompt[PATH_MAX];
char statusprompt[PATH_MAX];
char sorryprompt[PATH_MAX];
struct ast_flags followmeflags;
};
struct findme_user {
struct ast_channel *ochan;
int state;
char dialarg[256];
char yn[10];
int ynidx;
long digts;
int cleared;
AST_LIST_ENTRY(findme_user) entry;
};
enum {
FOLLOWMEFLAG_STATUSMSG = (1 << 0),
FOLLOWMEFLAG_RECORDNAME = (1 << 1),
FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2)
};
AST_APP_OPTIONS(followme_opts, {
AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG ),
AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME ),
AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG ),
});
static int ynlongest = 0;
static char toast[80];
static time_t start_time, answer_time, end_time;
static char *featuredigittostr;
static int featuredigittimeout = 5000; /*!< Feature Digit Timeout */
static const char *defaultmoh = "default"; /*!< Default Music-On-Hold Class */
static char takecall[20] = "1", nextindp[20] = "2";
static char callfromprompt[PATH_MAX] = "followme/call-from";
static char norecordingprompt[PATH_MAX] = "followme/no-recording";
static char optionsprompt[PATH_MAX] = "followme/options";
static char plsholdprompt[PATH_MAX] = "followme/pls-hold-while-try";
static char statusprompt[PATH_MAX] = "followme/status";
static char sorryprompt[PATH_MAX] = "followme/sorry";
static AST_LIST_HEAD_STATIC(followmes, ast_call_followme);
AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
static void free_numbers(struct ast_call_followme *f)
{
/* Free numbers attached to the profile */
struct number *prev;
while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
/* Free the number */
free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
/* Free the blacklisted number */
free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
/* Free the whitelisted number */
free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
}
static struct ast_call_followme *alloc_profile(const char *fmname)
{
struct ast_call_followme *f;
f = ast_calloc(1, sizeof(*f));
if (f) {
ast_mutex_init(&f->lock);
ast_copy_string(f->name, fmname, sizeof(f->name));
ast_copy_string(f->moh, "", sizeof(f->moh));
ast_copy_string(f->context, "", sizeof(f->context));
ast_copy_string(f->takecall, takecall, sizeof(f->takecall));
ast_copy_string(f->nextindp, nextindp, sizeof(f->nextindp));
ast_copy_string(f->callfromprompt, callfromprompt, sizeof(f->callfromprompt));
ast_copy_string(f->norecordingprompt, norecordingprompt, sizeof(f->norecordingprompt));
ast_copy_string(f->optionsprompt, optionsprompt, sizeof(f->optionsprompt));
ast_copy_string(f->plsholdprompt, plsholdprompt, sizeof(f->plsholdprompt));
ast_copy_string(f->statusprompt, statusprompt, sizeof(f->statusprompt));
ast_copy_string(f->sorryprompt, sorryprompt, sizeof(f->sorryprompt));
AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
}
return f;
}
static void init_profile(struct ast_call_followme *f)
{
f->active = 1;
ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
}
static void profile_set_param(struct ast_call_followme *f, const char *param, const char *val, int linenum, int failunknown)
{
if (!strcasecmp(param, "musicclass") || !strcasecmp(param, "musiconhold") || !strcasecmp(param, "music"))
ast_copy_string(f->moh, val, sizeof(f->moh));
else if (!strcasecmp(param, "context")) {
ast_copy_string(f->context, val, sizeof(f->context));
} else if (!strcasecmp(param, "takecall")) {
ast_copy_string(f->takecall, val, sizeof(f->takecall));
} else if (!strcasecmp(param, "declinecall")) {
ast_copy_string(f->nextindp, val, sizeof(f->nextindp));
} else if (!strcasecmp(param, "call-from-prompt")) {
ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
} else if (!strcasecmp(param, "followme-norecording-prompt")) {
ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
} else if (!strcasecmp(param, "followme-options-prompt")) {
ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
} else if (!strcasecmp(param, "followme-pls-hold-prompt")) {
ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
} else if (!strcasecmp(param, "followme-status-prompt")) {
ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
} else if (!strcasecmp(param, "followme-sorry-prompt")) {
ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
} else if (failunknown) {
if (linenum >= 0)
ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s at line %d of followme.conf\n", f->name, param, linenum);
else
ast_log(LOG_WARNING, "Unknown keyword in profile '%s': %s\n", f->name, param);
}
}
static struct number *create_followme_number(char *number, int timeout, int numorder)
{
struct number *cur;
char *tmp;
/* Add a new number */
cur = ast_calloc(1, sizeof(*cur));
if (cur) {
cur->timeout = timeout;
if ((tmp = strchr(number, ','))) {
*tmp = '\0';
}
ast_copy_string(cur->number, number, sizeof(cur->number));
cur->order = numorder;
if (option_debug)
ast_log(LOG_DEBUG, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
}
return cur;
}
static int reload_followme(void)
{
struct ast_call_followme *f;
struct ast_config *cfg;
char *cat = NULL, *tmp;
struct ast_variable *var;
struct number *cur, *nm;
int new, idx;
char numberstr[90];
int timeout;
char *timeoutstr;
int numorder;
char *takecallstr;
char *declinecallstr;
char *tmpstr;
cfg = ast_config_load("followme.conf");
if (!cfg) {
ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
return 0;
}
AST_LIST_LOCK(&followmes);
/* Reset Global Var Values */
featuredigittimeout = 5000;
/* Mark all profiles as inactive for the moment */
AST_LIST_TRAVERSE(&followmes, f, entry) {
f->active = 0;
}
featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
if (!ast_strlen_zero(featuredigittostr)) {
if (!sscanf(featuredigittostr, "%d", &featuredigittimeout))
featuredigittimeout = 5000;
}
takecallstr = ast_variable_retrieve(cfg, "general", "takecall");
if (!ast_strlen_zero(takecallstr))
ast_copy_string(takecall, takecallstr, sizeof(takecall));
declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall");
if (!ast_strlen_zero(declinecallstr))
ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
tmpstr = ast_variable_retrieve(cfg, "general", "norecording-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
tmpstr = ast_variable_retrieve(cfg, "general", "options-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
tmpstr = ast_variable_retrieve(cfg, "general", "pls-hold-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
tmpstr = ast_variable_retrieve(cfg, "general", "status-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
tmpstr = ast_variable_retrieve(cfg, "general", "sorry-prompt");
if (!ast_strlen_zero(tmpstr))
ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
/* Chug through config file */
while ((cat = ast_category_browse(cfg, cat))) {
if (!strcasecmp(cat, "general"))
continue;
/* Define a new profile */
/* Look for an existing one */
AST_LIST_TRAVERSE(&followmes, f, entry) {
if (!strcasecmp(f->name, cat))
break;
}
if (option_debug)
ast_log(LOG_DEBUG, "New profile %s.\n", cat);
if (!f) {
/* Make one then */
f = alloc_profile(cat);
new = 1;
} else
new = 0;
if (f) {
if (!new)
ast_mutex_lock(&f->lock);
/* Re-initialize the profile */
init_profile(f);
free_numbers(f);
var = ast_variable_browse(cfg, cat);
while(var) {
if (!strcasecmp(var->name, "number")) {
/* Add a new number */
ast_copy_string(numberstr, var->value, sizeof(numberstr));
if ((tmp = strchr(numberstr, ','))) {
*tmp = '\0';
tmp++;
timeoutstr = ast_strdupa(tmp);
if ((tmp = strchr(timeoutstr, ','))) {
*tmp = '\0';
tmp++;
numorder = atoi(tmp);
if (numorder < 0)
numorder = 0;
} else
numorder = 0;
timeout = atoi(timeoutstr);
if (timeout < 0)
timeout = 25;
} else {
timeout = 25;
numorder = 0;
}
if (!numorder) {
idx = 1;
AST_LIST_TRAVERSE(&f->numbers, nm, entry)
idx++;
numorder = idx;
}
cur = create_followme_number(numberstr, timeout, numorder);
AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
} else {
profile_set_param(f, var->name, var->value, var->lineno, 1);
if (option_debug)
ast_log(LOG_DEBUG, "Logging parameter %s with value %s from lineno %d\n", var->name, var->value, var->lineno);
}
var = var->next;
} /* End while(var) loop */
if (!new)
ast_mutex_unlock(&f->lock);
if (new) {
AST_LIST_INSERT_HEAD(&followmes, f, entry);
}
}
}
ast_config_destroy(cfg);
AST_LIST_UNLOCK(&followmes);
return 1;
}
static void clear_caller(struct findme_user *tmpuser)
{
struct ast_channel *outbound;
if (tmpuser && tmpuser->ochan && tmpuser->state >= 0) {
outbound = tmpuser->ochan;
if (!outbound->cdr) {
outbound->cdr = ast_cdr_alloc();
if (outbound->cdr)
ast_cdr_init(outbound->cdr, outbound);
}
if (outbound->cdr) {
char tmp[256];
snprintf(tmp, sizeof(tmp), "%s/%s", "Local", tmpuser->dialarg);
ast_cdr_setapp(outbound->cdr,"FollowMe",tmp);
ast_cdr_update(outbound);
ast_cdr_start(outbound->cdr);
ast_cdr_end(outbound->cdr);
/* If the cause wasn't handled properly */
if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
ast_cdr_failed(outbound->cdr);
} else
ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
ast_hangup(tmpuser->ochan);
}
}
static void clear_calling_tree(struct findme_user_listptr *findme_user_list)
{
struct findme_user *tmpuser;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
clear_caller(tmpuser);
tmpuser->cleared = 1;
}
}
static struct ast_channel *wait_for_winner(struct findme_user_listptr *findme_user_list, struct number *nm, struct ast_channel *caller, char *namerecloc, int *status, struct fm_args *tpargs)
{
struct ast_channel *watchers[256];
int pos;
struct ast_channel *winner;
struct ast_frame *f;
int ctstatus;
int dg;
struct findme_user *tmpuser;
int to = 0;
int livechannels = 0;
int tmpto;
long totalwait = 0, wtd, towas = 0;
char *callfromname;
char *pressbuttonname;
/* ------------ wait_for_winner_channel start --------------- */
callfromname = ast_strdupa(tpargs->callfromprompt);
pressbuttonname = ast_strdupa(tpargs->optionsprompt);
if (!AST_LIST_EMPTY(findme_user_list))
{
if (!caller) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Original caller hungup. Cleanup.\n");
clear_calling_tree(findme_user_list);
return NULL;
}
ctstatus = 0;
totalwait = nm->timeout * 1000;
wtd = 0;
while (!ctstatus) {
to = 1000;
pos = 1;
livechannels = 0;
watchers[0] = caller;
dg = 0;
winner = NULL;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
if (tmpuser->state >= 0 && tmpuser->ochan) {
if (tmpuser->state == 3) {
tmpuser->digts += (towas - wtd);
}
if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "We've been waiting for digits longer than we should have.\n");
if (!ast_strlen_zero(namerecloc)) {
tmpuser->state = 1;
tmpuser->digts = 0;
if (!ast_streamfile(tmpuser->ochan, callfromname, tmpuser->ochan->language)) {
ast_sched_runq(tmpuser->ochan->sched);
} else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
return NULL;
}
} else {
tmpuser->state = 2;
tmpuser->digts = 0;
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
ast_sched_runq(tmpuser->ochan->sched);
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
return NULL;
}
}
}
if (tmpuser->ochan->stream) {
ast_sched_runq(tmpuser->ochan->sched);
tmpto = ast_sched_wait(tmpuser->ochan->sched);
if (tmpto > 0 && tmpto < to)
to = tmpto;
else if (tmpto < 0 && !tmpuser->ochan->timingfunc) {
ast_stopstream(tmpuser->ochan);
if (tmpuser->state == 1) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Playback of the call-from file appears to be done.\n");
if (!ast_streamfile(tmpuser->ochan, namerecloc, tmpuser->ochan->language)) {
tmpuser->state = 2;
} else {
ast_log(LOG_NOTICE, "Unable to playback %s. Maybe the caller didn't record their name?\n", namerecloc);
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
tmpuser->ynidx = 0;
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language))
tmpuser->state = 3;
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
return NULL;
}
}
} else if (tmpuser->state == 2) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Playback of name file appears to be done.\n");
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
tmpuser->ynidx = 0;
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, tmpuser->ochan->language)) {
tmpuser->state = 3;
} else {
return NULL;
}
} else if (tmpuser->state == 3) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Playback of the next step file appears to be done.\n");
tmpuser->digts = 0;
}
}
}
watchers[pos++] = tmpuser->ochan;
livechannels++;
}
}
tmpto = to;
if (to < 0) {
to = 1000;
tmpto = 1000;
}
towas = to;
winner = ast_waitfor_n(watchers, pos, &to);
tmpto -= to;
totalwait -= tmpto;
wtd = to;
if (totalwait <= 0) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "We've hit our timeout for this step. Drop everyone and move on to the next one. %ld\n", totalwait);
clear_calling_tree(findme_user_list);
return NULL;
}
if (winner) {
/* Need to find out which channel this is */
dg = 0;
while ((winner != watchers[dg]) && (dg < 256))
dg++;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry)
if (tmpuser->ochan == winner)
break;
f = ast_read(winner);
if (f) {
if (f->frametype == AST_FRAME_CONTROL) {
switch(f->subclass) {
case AST_CONTROL_HANGUP:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s received a hangup frame.\n", winner->name);
if (dg == 0) {
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "The calling channel hungup. Need to drop everyone else.\n");
clear_calling_tree(findme_user_list);
ctstatus = -1;
}
break;
case AST_CONTROL_ANSWER:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", winner->name, caller->name);
/* If call has been answered, then the eventual hangup is likely to be normal hangup */
winner->hangupcause = AST_CAUSE_NORMAL_CLEARING;
caller->hangupcause = AST_CAUSE_NORMAL_CLEARING;
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "Starting playback of %s\n", callfromname);
if (dg > 0) {
if (!ast_strlen_zero(namerecloc)) {
if (!ast_streamfile(winner, callfromname, winner->language)) {
ast_sched_runq(winner->sched);
tmpuser->state = 1;
} else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
ast_frfree(f);
return NULL;
}
} else {
tmpuser->state = 2;
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, tmpuser->ochan->language))
ast_sched_runq(tmpuser->ochan->sched);
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
ast_frfree(f);
return NULL;
}
}
}
break;
case AST_CONTROL_BUSY:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is busy\n", winner->name);
break;
case AST_CONTROL_CONGESTION:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is circuit-busy\n", winner->name);
break;
case AST_CONTROL_RINGING:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", winner->name);
break;
case AST_CONTROL_PROGRESS:
if (option_verbose > 2)
ast_verbose ( VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", winner->name,caller->name);
break;
case AST_CONTROL_VIDUPDATE:
if (option_verbose > 2)
ast_verbose ( VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", winner->name,caller->name);
break;
case AST_CONTROL_PROCEEDING:
if (option_verbose > 2)
ast_verbose ( VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", winner->name,caller->name);
break;
case AST_CONTROL_HOLD:
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", winner->name);
break;
case AST_CONTROL_UNHOLD:
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", winner->name);
break;
case AST_CONTROL_OFFHOOK:
case AST_CONTROL_FLASH:
/* Ignore going off hook and flash */
break;
case -1:
if (option_verbose > 2)
ast_verbose( VERBOSE_PREFIX_3 "%s stopped sounds\n", winner->name);
break;
default:
if (option_debug)
ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
break;
}
}
if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
if (winner->stream)
ast_stopstream(winner);
tmpuser->digts = 0;
if (option_debug)
ast_log(LOG_DEBUG, "DTMF received: %c\n",(char) f->subclass);
tmpuser->yn[tmpuser->ynidx] = (char) f->subclass;
tmpuser->ynidx++;
if (option_debug)
ast_log(LOG_DEBUG, "DTMF string: %s\n", tmpuser->yn);
if (tmpuser->ynidx >= ynlongest) {
if (option_debug)
ast_log(LOG_DEBUG, "reached longest possible match - doing evals\n");
if (!strcmp(tmpuser->yn, tpargs->takecall)) {
if (option_debug)
ast_log(LOG_DEBUG, "Match to take the call!\n");
ast_frfree(f);
return tmpuser->ochan;
}
if (!strcmp(tmpuser->yn, tpargs->nextindp)) {
if (option_debug)
ast_log(LOG_DEBUG, "Next in dial plan step requested.\n");
*status = 1;
ast_frfree(f);
return NULL;
}
}
}
ast_frfree(f);
} else {
if (winner) {
if (option_debug)
ast_log(LOG_DEBUG, "we didn't get a frame. hanging up. dg is %d\n",dg);
if (!dg) {
clear_calling_tree(findme_user_list);
return NULL;
} else {
tmpuser->state = -1;
ast_hangup(winner);
livechannels--;
if (option_debug)
ast_log(LOG_DEBUG, "live channels left %d\n", livechannels);
if (!livechannels) {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "no live channels left. exiting.\n");
return NULL;
}
}
}
}
} else
if (option_debug)
ast_log(LOG_DEBUG, "timed out waiting for action\n");
}
}
else
{
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n");
}
/* --- WAIT FOR WINNER NUMBER END! -----------*/
return NULL;
}
static void findmeexec(struct fm_args *tpargs)
{
struct number *nm;
struct ast_channel *outbound;
struct ast_channel *caller;
struct ast_channel *winner = NULL;
char dialarg[512];
int dg, idx;
char *rest, *number;
struct findme_user *tmpuser;
struct findme_user *fmuser;
struct findme_user *headuser;
struct findme_user_listptr *findme_user_list;
int status;
findme_user_list = ast_calloc(1, sizeof(*findme_user_list));
AST_LIST_HEAD_INIT_NOLOCK(findme_user_list);
/* We're going to figure out what the longest possible string of digits to collect is */
ynlongest = 0;
if (strlen(tpargs->takecall) > ynlongest)
ynlongest = strlen(tpargs->takecall);
if (strlen(tpargs->nextindp) > ynlongest)
ynlongest = strlen(tpargs->nextindp);
idx = 1;
caller = tpargs->chan;
AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
if (nm->order == idx)
break;
while (nm) {
if (option_debug)
ast_log(LOG_DEBUG, "Number %s timeout %ld\n",nm->number,nm->timeout);
time(&start_time);
number = ast_strdupa(nm->number);
if (option_debug)
ast_log(LOG_DEBUG, "examining %s\n", number);
do {
rest = strchr(number, '&');
if (rest) {
*rest = 0;
rest++;
}
if (!strcmp(tpargs->context, ""))
sprintf(dialarg, "%s", number);
else
sprintf(dialarg, "%s@%s", number, tpargs->context);
tmpuser = ast_calloc(1, sizeof(*tmpuser));
if (!tmpuser) {
ast_log(LOG_WARNING, "Out of memory!\n");
return;
}
outbound = ast_request("Local", ast_best_codec(caller->nativeformats), dialarg, &dg);
if (outbound) {
ast_set_callerid(outbound, caller->cid.cid_num, caller->cid.cid_name, caller->cid.cid_num);
ast_channel_inherit_variables(tpargs->chan, outbound);
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "calling %s\n", dialarg);
if (!ast_call(outbound,dialarg,0)) {
tmpuser->ochan = outbound;
tmpuser->state = 0;
tmpuser->cleared = 0;
ast_copy_string(tmpuser->dialarg, dialarg, sizeof(dialarg));
AST_LIST_INSERT_TAIL(findme_user_list, tmpuser, entry);
} else {
if (option_verbose > 2)
ast_verbose(VERBOSE_PREFIX_3 "couldn't reach at this number.\n");
if (outbound) {
if (!outbound->cdr) {
outbound->cdr = ast_cdr_alloc();
}
if (outbound->cdr) {
char tmp[256];
ast_cdr_init(outbound->cdr, outbound);
snprintf(tmp, sizeof(tmp), "%s/%s", "Local", dialarg);
ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
ast_cdr_update(outbound);
ast_cdr_start(outbound->cdr);
ast_cdr_end(outbound->cdr);
/* If the cause wasn't handled properly */
if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
ast_cdr_failed(outbound->cdr);
} else {
ast_log(LOG_WARNING, "Unable to create Call Detail Record\n");
ast_hangup(outbound);
outbound = NULL;
}
}
}
} else
ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n", dialarg, ast_cause2str(dg));
number = rest;
} while (number);
status = 0;
if (!AST_LIST_EMPTY(findme_user_list))
winner = wait_for_winner(findme_user_list, nm, caller, tpargs->namerecloc, &status, tpargs);
AST_LIST_TRAVERSE_SAFE_BEGIN(findme_user_list, fmuser, entry) {
if (!fmuser->cleared && fmuser->ochan != winner)
clear_caller(fmuser);
AST_LIST_REMOVE_CURRENT(findme_user_list, entry);
free(fmuser);
}
AST_LIST_TRAVERSE_SAFE_END
fmuser = NULL;
tmpuser = NULL;
headuser = NULL;
if (winner)
break;
if (!caller) {
tpargs->status = 1;
return;
}
idx++;
AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry)
if (nm->order == idx)
break;
}
free(findme_user_list);
if (!winner)
tpargs->status = 1;
else {
tpargs->status = 100;
tpargs->outbound = winner;
}
return;
}
static int app_exec(struct ast_channel *chan, void *data)
{
struct fm_args targs;
struct ast_bridge_config config;
struct ast_call_followme *f;
struct number *nm, *newnm;
int res = 0;
struct ast_module_user *u;
char *argstr;
char namerecloc[255];
int duration = 0;
struct ast_channel *caller;
struct ast_channel *outbound;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(followmeid);
AST_APP_ARG(options);
);
if (!(argstr = ast_strdupa((char *)data))) {
ast_log(LOG_ERROR, "Out of memory!\n");
return -1;
}
if (!data) {
ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n",app);
return -1;
}
u = ast_module_user_add(chan);
AST_STANDARD_APP_ARGS(args, argstr);
if (!ast_strlen_zero(args.followmeid))
AST_LIST_LOCK(&followmes);
AST_LIST_TRAVERSE(&followmes, f, entry) {
if (!strcasecmp(f->name, args.followmeid) && (f->active))
break;
}
AST_LIST_UNLOCK(&followmes);
if (option_debug)
ast_log(LOG_DEBUG, "New profile %s.\n", args.followmeid);
if (!f)
{
ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.", args.followmeid);
res = -1;
}
else
{
/* XXX TODO: Reinsert the db check value to see whether or not follow-me is on or off */
if (args.options) {
ast_app_parse_options(followme_opts, &targs.followmeflags, NULL, args.options);
}
/* Lock the profile lock and copy out everything we need to run with before unlocking it again */
ast_mutex_lock(&f->lock);
targs.mohclass = ast_strdupa(f->moh);
ast_copy_string(targs.context, f->context, sizeof(targs.context));
ast_copy_string(targs.takecall, f->takecall, sizeof(targs.takecall));
ast_copy_string(targs.nextindp, f->nextindp, sizeof(targs.nextindp));
ast_copy_string(targs.callfromprompt, f->callfromprompt, sizeof(targs.callfromprompt));
ast_copy_string(targs.norecordingprompt, f->norecordingprompt, sizeof(targs.norecordingprompt));
ast_copy_string(targs.optionsprompt, f->optionsprompt, sizeof(targs.optionsprompt));
ast_copy_string(targs.plsholdprompt, f->plsholdprompt, sizeof(targs.plsholdprompt));
ast_copy_string(targs.statusprompt, f->statusprompt, sizeof(targs.statusprompt));
ast_copy_string(targs.sorryprompt, f->sorryprompt, sizeof(targs.sorryprompt));
/* Copy the numbers we're going to use into another list in case the master list should get modified
(and locked) while we're trying to do a follow-me */
AST_LIST_HEAD_INIT_NOLOCK(&targs.cnumbers);
AST_LIST_TRAVERSE(&f->numbers, nm, entry) {
newnm = create_followme_number(nm->number, nm->timeout, nm->order);
AST_LIST_INSERT_TAIL(&targs.cnumbers, newnm, entry);
}
ast_mutex_unlock(&f->lock);
if (targs.followmeflags.flags & FOLLOWMEFLAG_STATUSMSG)
ast_stream_and_wait(chan, targs.statusprompt, chan->language, "");
snprintf(namerecloc,sizeof(namerecloc),"%s/followme.%s",ast_config_AST_SPOOL_DIR,chan->uniqueid);
duration = 5;
if (targs.followmeflags.flags & FOLLOWMEFLAG_RECORDNAME)
if (ast_play_and_record(chan, "vm-rec-name", namerecloc, 5, "sln", &duration, 128, 0, NULL) < 0)
goto outrun;
/* The following call looks like we're going to playback the file, but we're actually */
/* just checking to see if we *can* play it. */
if (ast_streamfile(chan, namerecloc, chan->language))
ast_copy_string(namerecloc, "", sizeof(namerecloc));
else
ast_stopstream(chan);
if (ast_streamfile(chan, targs.plsholdprompt, chan->language))
goto outrun;
if (ast_waitstream(chan, "") < 0)
goto outrun;
ast_moh_start(chan, S_OR(targs.mohclass, NULL), NULL);
targs.status = 0;
targs.chan = chan;
ast_copy_string(targs.namerecloc, namerecloc, sizeof(targs.namerecloc));
findmeexec(&targs);
AST_LIST_TRAVERSE_SAFE_BEGIN(&targs.cnumbers, nm, entry) {
AST_LIST_REMOVE_CURRENT(&targs.cnumbers, entry);
free(nm);
}
AST_LIST_TRAVERSE_SAFE_END
if (!ast_strlen_zero(namerecloc))
unlink(namerecloc);
if (targs.status != 100)
{
ast_moh_stop(chan);
if (targs.followmeflags.flags & FOLLOWMEFLAG_UNREACHABLEMSG)
ast_stream_and_wait(chan, targs.sorryprompt, chan->language, "");
res = 0;
}
else
{
caller = chan;
outbound = targs.outbound;
/* Bridge the two channels. */
memset(&config,0,sizeof(struct ast_bridge_config));
ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
ast_moh_stop(caller);
/* Be sure no generators are left on it */
ast_deactivate_generator(caller);
/* Make sure channels are compatible */
res = ast_channel_make_compatible(caller, outbound);
if (res < 0) {
ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", caller->name, outbound->name);
ast_hangup(outbound);
goto outrun;
}
time(&answer_time);
res = ast_bridge_call(caller,outbound,&config);
time(&end_time);
snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
pbx_builtin_setvar_helper(caller, "DIALEDTIME", toast);
snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
pbx_builtin_setvar_helper(caller, "ANSWEREDTIME", toast);
if (outbound)
ast_hangup(outbound);
res = 1;
}
}
outrun:
ast_module_user_remove(u);
return res;
}
static int unload_module(void)
{
struct ast_call_followme *f;
ast_module_user_hangup_all();
ast_unregister_application(app);
/* Free Memory. Yeah! I'm free! */
AST_LIST_LOCK(&followmes);
while ((f = AST_LIST_REMOVE_HEAD(&followmes, entry))) {
free_numbers(f);
free(f);
}
AST_LIST_UNLOCK(&followmes);
return 0;
}
static int load_module(void)
{
if(!reload_followme())
return AST_MODULE_LOAD_DECLINE;
return ast_register_application(app, app_exec, synopsis, descrip);
}
static int reload(void)
{
reload_followme();
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Find-Me/Follow-Me Application",
.load = load_module,
.unload = unload_module,
.reload = reload,
);
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