asterisk/apps/app_followme.c

1656 lines
54 KiB
C

/*
* Asterisk -- An open source telephony toolkit.
*
* 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>
*
* \ingroup applications
*/
/*! \li \ref app_followme.c uses the configuration file \ref followme.conf
* \addtogroup configuration_file Configuration Files
*/
/*!
* \page followme.conf followme.conf
* \verbinclude followme.conf.sample
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <signal.h>
#include "asterisk/paths.h" /* use ast_config_AST_SPOOL_DIR */
#include "asterisk/lock.h"
#include "asterisk/file.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.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/utils.h"
#include "asterisk/causes.h"
#include "asterisk/astdb.h"
#include "asterisk/dsp.h"
#include "asterisk/app.h"
#include "asterisk/stasis_channels.h"
#include "asterisk/max_forwards.h"
#define REC_FORMAT "sln"
/*** DOCUMENTATION
<application name="FollowMe" language="en_US">
<synopsis>
Find-Me/Follow-Me application.
</synopsis>
<syntax>
<parameter name="followmeid" required="true" />
<parameter name="options">
<optionlist>
<option name="a">
<para>Record the caller's name so it can be announced to the
callee on each step.</para>
</option>
<option name="B" argsep="^">
<para>Before initiating the outgoing call(s), Gosub to the specified
location using the current channel.</para>
<argument name="context" required="false" />
<argument name="exten" required="false" />
<argument name="priority" required="true" hasparams="optional" argsep="^">
<argument name="arg1" multiple="true" required="true" />
<argument name="argN" />
</argument>
</option>
<option name="b" argsep="^">
<para>Before initiating an outgoing call, Gosub to the specified
location using the newly created channel. The Gosub will be
executed for each destination channel.</para>
<argument name="context" required="false" />
<argument name="exten" required="false" />
<argument name="priority" required="true" hasparams="optional" argsep="^">
<argument name="arg1" multiple="true" required="true" />
<argument name="argN" />
</argument>
</option>
<option name="d">
<para>Disable the 'Please hold while we try to connect your call' announcement.</para>
</option>
<option name="I">
<para>Asterisk will ignore any connected line update requests
it may receive on this dial attempt.</para>
</option>
<option name="l">
<para>Disable local call optimization so that applications with
audio hooks between the local bridge don't get dropped when the
calls get joined directly.</para>
</option>
<option name="N">
<para>Don't answer the incoming call until we're ready to
connect the caller or give up.</para>
<note>
<para>This option is ignored if the call is already answered.</para>
</note>
<note>
<para>If the call is not already answered, the 'a' and 's'
options are ignored while the 'd' option is implicitly enabled.</para>
</note>
</option>
<option name="n">
<para>Playback the unreachable status message if we've run out
of steps or the callee has elected not to be reachable.</para>
</option>
<option name="s">
<para>Playback the incoming status message prior to starting
the follow-me step(s)</para>
</option>
</optionlist>
</parameter>
</syntax>
<description>
<para>This application performs Find-Me/Follow-Me functionality for the caller
as defined in the profile matching the <replaceable>followmeid</replaceable> parameter in
<filename>followme.conf</filename>. If the specified <replaceable>followmeid</replaceable>
profile doesn't exist in <filename>followme.conf</filename>, execution will be returned
to the dialplan and call execution will continue at the next priority.</para>
<para>Returns -1 on hangup.</para>
</description>
</application>
***/
static char *app = "FollowMe";
/*! Maximum accept/decline DTMF string plus terminator. */
#define MAX_YN_STRING 20
/*! \brief Number structure */
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 */
};
/*! \brief Data structure for followme scripts */
struct call_followme {
ast_mutex_t lock;
char name[AST_MAX_EXTENSION]; /*!< Name - FollowMeID */
char moh[MAX_MUSICCLASS]; /*!< 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). */
int realtime; /*!< Cached from realtime */
/*! Allow callees to accept/reject the forwarded call */
unsigned int enable_callee_prompt:1;
char takecall[MAX_YN_STRING]; /*!< Digit mapping to take a call */
char nextindp[MAX_YN_STRING]; /*!< Digit mapping to decline a call */
char callfromprompt[PATH_MAX]; /*!< Sound prompt name and path */
char norecordingprompt[PATH_MAX]; /*!< Sound prompt name and path */
char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
char statusprompt[PATH_MAX]; /*!< Sound prompt name and path */
char sorryprompt[PATH_MAX]; /*!< Sound prompt name and path */
char connprompt[PATH_MAX]; /*!< Sound prompt name and path */
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(call_followme) entry; /*!< Next Follow-Me record */
};
struct fm_args {
char *mohclass;
AST_LIST_HEAD_NOLOCK(cnumbers, number) cnumbers;
/*! Gosub app arguments for outgoing calls. NULL if not supplied. */
const char *predial_callee;
/*! Accumulated connected line information from inbound call. */
struct ast_party_connected_line connected_in;
/*! Accumulated connected line information from outbound call. */
struct ast_party_connected_line connected_out;
/*! TRUE if connected line information from inbound call changed. */
unsigned int pending_in_connected_update:1;
/*! TRUE if connected line information from outbound call is available. */
unsigned int pending_out_connected_update:1;
/*! TRUE if caller has a pending hold request for the winning call. */
unsigned int pending_hold:1;
/*! TRUE if callees will be prompted to answer */
unsigned int enable_callee_prompt:1;
/*! Music On Hold Class suggested by caller hold for winning call. */
char suggested_moh[MAX_MUSICCLASS];
char context[AST_MAX_CONTEXT];
char namerecloc[PATH_MAX];
char takecall[MAX_YN_STRING]; /*!< Digit mapping to take a call */
char nextindp[MAX_YN_STRING]; /*!< Digit mapping to decline a call */
char callfromprompt[PATH_MAX]; /*!< Sound prompt name and path */
char norecordingprompt[PATH_MAX]; /*!< Sound prompt name and path */
char optionsprompt[PATH_MAX]; /*!< Sound prompt name and path */
char plsholdprompt[PATH_MAX]; /*!< Sound prompt name and path */
char statusprompt[PATH_MAX]; /*!< Sound prompt name and path */
char sorryprompt[PATH_MAX]; /*!< Sound prompt name and path */
char connprompt[PATH_MAX]; /*!< Sound prompt name and path */
struct ast_flags followmeflags;
};
struct findme_user {
struct ast_channel *ochan;
/*! Accumulated connected line information from outgoing call. */
struct ast_party_connected_line connected;
long digts;
int ynidx;
int state;
char dialarg[768];
/*! Collected digits to accept/decline the call. */
char yn[MAX_YN_STRING];
/*! TRUE if the outgoing call is answered. */
unsigned int answered:1;
/*! TRUE if connected line information is available. */
unsigned int pending_connected_update:1;
AST_LIST_ENTRY(findme_user) entry;
};
enum {
FOLLOWMEFLAG_STATUSMSG = (1 << 0),
FOLLOWMEFLAG_RECORDNAME = (1 << 1),
FOLLOWMEFLAG_UNREACHABLEMSG = (1 << 2),
FOLLOWMEFLAG_DISABLEHOLDPROMPT = (1 << 3),
FOLLOWMEFLAG_NOANSWER = (1 << 4),
FOLLOWMEFLAG_DISABLEOPTIMIZATION = (1 << 5),
FOLLOWMEFLAG_IGNORE_CONNECTEDLINE = (1 << 6),
FOLLOWMEFLAG_PREDIAL_CALLER = (1 << 7),
FOLLOWMEFLAG_PREDIAL_CALLEE = (1 << 8),
};
enum {
FOLLOWMEFLAG_ARG_PREDIAL_CALLER,
FOLLOWMEFLAG_ARG_PREDIAL_CALLEE,
/* note: this entry _MUST_ be the last one in the enum */
FOLLOWMEFLAG_ARG_ARRAY_SIZE
};
AST_APP_OPTIONS(followme_opts, {
AST_APP_OPTION('a', FOLLOWMEFLAG_RECORDNAME),
AST_APP_OPTION_ARG('B', FOLLOWMEFLAG_PREDIAL_CALLER, FOLLOWMEFLAG_ARG_PREDIAL_CALLER),
AST_APP_OPTION_ARG('b', FOLLOWMEFLAG_PREDIAL_CALLEE, FOLLOWMEFLAG_ARG_PREDIAL_CALLEE),
AST_APP_OPTION('d', FOLLOWMEFLAG_DISABLEHOLDPROMPT),
AST_APP_OPTION('I', FOLLOWMEFLAG_IGNORE_CONNECTEDLINE),
AST_APP_OPTION('l', FOLLOWMEFLAG_DISABLEOPTIMIZATION),
AST_APP_OPTION('N', FOLLOWMEFLAG_NOANSWER),
AST_APP_OPTION('n', FOLLOWMEFLAG_UNREACHABLEMSG),
AST_APP_OPTION('s', FOLLOWMEFLAG_STATUSMSG),
});
static const char *featuredigittostr;
static int featuredigittimeout = 5000; /*!< Feature Digit Timeout */
static const char *defaultmoh = "default"; /*!< Default Music-On-Hold Class */
static char takecall[MAX_YN_STRING] = "1";
static char nextindp[MAX_YN_STRING] = "2";
static int enable_callee_prompt = 1;
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 char connprompt[PATH_MAX] = "";
static AST_RWLIST_HEAD_STATIC(followmes, call_followme);
AST_LIST_HEAD_NOLOCK(findme_user_listptr, findme_user);
static void free_numbers(struct call_followme *f)
{
/* Free numbers attached to the profile */
struct number *prev;
while ((prev = AST_LIST_REMOVE_HEAD(&f->numbers, entry)))
/* Free the number */
ast_free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->numbers);
while ((prev = AST_LIST_REMOVE_HEAD(&f->blnumbers, entry)))
/* Free the blacklisted number */
ast_free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->blnumbers);
while ((prev = AST_LIST_REMOVE_HEAD(&f->wlnumbers, entry)))
/* Free the whitelisted number */
ast_free(prev);
AST_LIST_HEAD_INIT_NOLOCK(&f->wlnumbers);
}
/*! \brief Allocate and initialize followme profile */
static struct call_followme *alloc_profile(const char *fmname)
{
struct call_followme *f;
if (!(f = ast_calloc(1, sizeof(*f))))
return NULL;
ast_mutex_init(&f->lock);
ast_copy_string(f->name, fmname, sizeof(f->name));
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 call_followme *f, int activate)
{
f->enable_callee_prompt = enable_callee_prompt;
f->context[0] = '\0';
ast_copy_string(f->moh, defaultmoh, sizeof(f->moh));
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_copy_string(f->connprompt, connprompt, sizeof(f->connprompt));
if (activate) {
f->active = 1;
}
}
/*! \brief Set parameter in profile from configuration file */
static void profile_set_param(struct 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, "enable_callee_prompt"))
f->enable_callee_prompt = ast_true(val);
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") || !strcasecmp(param, "call_from_prompt"))
ast_copy_string(f->callfromprompt, val, sizeof(f->callfromprompt));
else if (!strcasecmp(param, "followme-norecording-prompt") || !strcasecmp(param, "norecording_prompt"))
ast_copy_string(f->norecordingprompt, val, sizeof(f->norecordingprompt));
else if (!strcasecmp(param, "followme-options-prompt") || !strcasecmp(param, "options_prompt"))
ast_copy_string(f->optionsprompt, val, sizeof(f->optionsprompt));
else if (!strcasecmp(param, "followme-pls-hold-prompt") || !strcasecmp(param, "pls_hold_prompt"))
ast_copy_string(f->plsholdprompt, val, sizeof(f->plsholdprompt));
else if (!strcasecmp(param, "followme-status-prompt") || !strcasecmp(param, "status_prompt"))
ast_copy_string(f->statusprompt, val, sizeof(f->statusprompt));
else if (!strcasecmp(param, "followme-sorry-prompt") || !strcasecmp(param, "sorry_prompt"))
ast_copy_string(f->sorryprompt, val, sizeof(f->sorryprompt));
else if (!strcasecmp(param, "followme-connecting-prompt") || !strcasecmp(param, "connecting_prompt")) {
ast_copy_string(f->connprompt, val, sizeof(f->connprompt));
} 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);
}
}
/*! \brief Add a new number */
static struct number *create_followme_number(const char *number, int timeout, int numorder)
{
struct number *cur;
char *buf = ast_strdupa(number);
char *tmp;
if (!(cur = ast_calloc(1, sizeof(*cur))))
return NULL;
cur->timeout = timeout;
if ((tmp = strchr(buf, ',')))
*tmp = '\0';
ast_copy_string(cur->number, buf, sizeof(cur->number));
cur->order = numorder;
ast_debug(1, "Created a number, %s, order of , %d, with a timeout of %ld.\n", cur->number, cur->order, cur->timeout);
return cur;
}
/*! \brief Reload followme application module */
static int reload_followme(int reload)
{
struct call_followme *f;
struct ast_config *cfg;
char *cat = NULL, *tmp;
struct ast_variable *var;
struct number *cur, *nm;
int timeout;
int numorder;
const char* enable_callee_prompt_str;
const char *takecallstr;
const char *declinecallstr;
const char *tmpstr;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
if (!(cfg = ast_config_load("followme.conf", config_flags))) {
ast_log(LOG_WARNING, "No follow me config file (followme.conf), so no follow me\n");
return 0;
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
return 0;
} else if (cfg == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_ERROR, "Config file followme.conf is in an invalid format. Aborting.\n");
return 0;
}
AST_RWLIST_WRLOCK(&followmes);
/* Reset Global Var Values */
featuredigittimeout = 5000;
/* Mark all profiles as inactive for the moment */
AST_RWLIST_TRAVERSE(&followmes, f, entry) {
f->active = 0;
}
featuredigittostr = ast_variable_retrieve(cfg, "general", "featuredigittimeout");
if (!ast_strlen_zero(featuredigittostr)) {
if (!sscanf(featuredigittostr, "%30d", &featuredigittimeout))
featuredigittimeout = 5000;
}
if ((enable_callee_prompt_str = ast_variable_retrieve(cfg, "general",
"enable_callee_prompt")) &&
!ast_strlen_zero(enable_callee_prompt_str)) {
enable_callee_prompt = ast_true(enable_callee_prompt_str);
}
if ((takecallstr = ast_variable_retrieve(cfg, "general", "takecall")) && !ast_strlen_zero(takecallstr)) {
ast_copy_string(takecall, takecallstr, sizeof(takecall));
}
if ((declinecallstr = ast_variable_retrieve(cfg, "general", "declinecall")) && !ast_strlen_zero(declinecallstr)) {
ast_copy_string(nextindp, declinecallstr, sizeof(nextindp));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "call-from-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "call_from_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(callfromprompt, tmpstr, sizeof(callfromprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "norecording_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(norecordingprompt, tmpstr, sizeof(norecordingprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "options-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "options_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(optionsprompt, tmpstr, sizeof(optionsprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls-hold-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "pls_hold_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(plsholdprompt, tmpstr, sizeof(plsholdprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "status-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "status_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(statusprompt, tmpstr, sizeof(statusprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "sorry_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(sorryprompt, tmpstr, sizeof(sorryprompt));
}
if ((tmpstr = ast_variable_retrieve(cfg, "general", "connecting-prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(connprompt, tmpstr, sizeof(connprompt));
} else if ((tmpstr = ast_variable_retrieve(cfg, "general", "connecting_prompt")) && !ast_strlen_zero(tmpstr)) {
ast_copy_string(connprompt, tmpstr, sizeof(connprompt));
}
/* Chug through config file */
while ((cat = ast_category_browse(cfg, cat))) {
int new = 0;
if (!strcasecmp(cat, "general"))
continue;
/* Look for an existing one */
AST_LIST_TRAVERSE(&followmes, f, entry) {
if (!strcasecmp(f->name, cat))
break;
}
ast_debug(1, "New profile %s.\n", cat);
if (!f) {
/* Make one then */
f = alloc_profile(cat);
new = 1;
}
/* Totally fail if we fail to find/create an entry */
if (!f)
continue;
if (!new)
ast_mutex_lock(&f->lock);
/* Re-initialize the profile */
init_profile(f, 1);
free_numbers(f);
var = ast_variable_browse(cfg, cat);
while (var) {
if (!strcasecmp(var->name, "number")) {
int idx = 0;
char copy[strlen(var->value) + 1];
char *numberstr;
/* Add a new number */
strcpy(copy, var->value); /* safe */
numberstr = copy;
if ((tmp = strchr(numberstr, ','))) {
*tmp++ = '\0';
timeout = atoi(tmp);
if (timeout < 0) {
timeout = 25;
}
if ((tmp = strchr(tmp, ','))) {
*tmp++ = '\0';
numorder = atoi(tmp);
if (numorder < 0)
numorder = 0;
} else
numorder = 0;
} 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);
if (cur) {
AST_LIST_INSERT_TAIL(&f->numbers, cur, entry);
}
} else {
profile_set_param(f, var->name, var->value, var->lineno, 1);
ast_debug(2, "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);
else
AST_RWLIST_INSERT_HEAD(&followmes, f, entry);
}
ast_config_destroy(cfg);
AST_RWLIST_UNLOCK(&followmes);
return 1;
}
static void publish_dial_end_event(struct ast_channel *in, struct findme_user_listptr *findme_user_list, struct ast_channel *exception, const char *status)
{
struct findme_user *tmpuser;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
if (tmpuser->ochan && tmpuser->ochan != exception) {
ast_channel_publish_dial(in, tmpuser->ochan, NULL, status);
}
}
}
static void clear_caller(struct findme_user *tmpuser)
{
struct ast_channel *outbound;
if (!tmpuser->ochan) {
/* Call already cleared. */
return;
}
outbound = tmpuser->ochan;
ast_hangup(outbound);
tmpuser->ochan = NULL;
}
static void clear_unanswered_calls(struct findme_user_listptr *findme_user_list)
{
struct findme_user *tmpuser;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
if (!tmpuser->answered) {
clear_caller(tmpuser);
}
}
}
static void destroy_calling_node(struct findme_user *node)
{
clear_caller(node);
ast_party_connected_line_free(&node->connected);
ast_free(node);
}
static void destroy_calling_tree(struct findme_user_listptr *findme_user_list)
{
struct findme_user *fmuser;
while ((fmuser = AST_LIST_REMOVE_HEAD(findme_user_list, entry))) {
destroy_calling_node(fmuser);
}
}
static struct ast_channel *wait_for_winner(struct findme_user_listptr *findme_user_list, struct number *nm, struct ast_channel *caller, struct fm_args *tpargs)
{
struct ast_party_connected_line connected;
struct ast_channel *watchers[256];
int pos;
struct ast_channel *winner;
struct ast_frame *f;
struct findme_user *tmpuser;
int to = 0;
int livechannels;
int tmpto;
long totalwait = 0, wtd = 0, towas = 0;
char *callfromname;
char *pressbuttonname;
/* ------------ wait_for_winner_channel start --------------- */
callfromname = ast_strdupa(tpargs->callfromprompt);
pressbuttonname = ast_strdupa(tpargs->optionsprompt);
totalwait = nm->timeout * 1000;
for (;;) {
to = 1000;
pos = 1;
livechannels = 0;
watchers[0] = caller;
winner = NULL;
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
if (!tmpuser->ochan) {
continue;
}
if (tmpuser->state == 3) {
tmpuser->digts += (towas - wtd);
}
if (tmpuser->digts && (tmpuser->digts > featuredigittimeout)) {
ast_verb(3, "<%s> We've been waiting for digits longer than we should have.\n",
ast_channel_name(tmpuser->ochan));
if (tpargs->enable_callee_prompt) {
if (!ast_strlen_zero(tpargs->namerecloc)) {
tmpuser->state = 1;
tmpuser->digts = 0;
if (!ast_streamfile(tmpuser->ochan, callfromname, ast_channel_language(tmpuser->ochan))) {
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
} else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
clear_caller(tmpuser);
continue;
}
} else {
tmpuser->state = 2;
tmpuser->digts = 0;
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, ast_channel_language(tmpuser->ochan)))
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
clear_caller(tmpuser);
continue;
}
}
} else {
tmpuser->state = 3;
}
}
if (ast_channel_stream(tmpuser->ochan)) {
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
tmpto = ast_sched_wait(ast_channel_sched(tmpuser->ochan));
if (tmpto > 0 && tmpto < to)
to = tmpto;
else if (tmpto < 0 && !ast_channel_timingfunc(tmpuser->ochan)) {
ast_stopstream(tmpuser->ochan);
switch (tmpuser->state) {
case 1:
ast_verb(3, "<%s> Playback of the call-from file appears to be done.\n",
ast_channel_name(tmpuser->ochan));
if (!ast_streamfile(tmpuser->ochan, tpargs->namerecloc, ast_channel_language(tmpuser->ochan))) {
tmpuser->state = 2;
} else {
ast_log(LOG_NOTICE, "<%s> Unable to playback %s. Maybe the caller didn't record their name?\n",
ast_channel_name(tmpuser->ochan), tpargs->namerecloc);
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
tmpuser->ynidx = 0;
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, ast_channel_language(tmpuser->ochan)))
tmpuser->state = 3;
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", pressbuttonname);
clear_caller(tmpuser);
continue;
}
}
break;
case 2:
ast_verb(3, "<%s> Playback of name file appears to be done.\n",
ast_channel_name(tmpuser->ochan));
memset(tmpuser->yn, 0, sizeof(tmpuser->yn));
tmpuser->ynidx = 0;
if (!ast_streamfile(tmpuser->ochan, pressbuttonname, ast_channel_language(tmpuser->ochan))) {
tmpuser->state = 3;
} else {
clear_caller(tmpuser);
continue;
}
break;
case 3:
ast_verb(3, "<%s> Playback of the next step file appears to be done.\n",
ast_channel_name(tmpuser->ochan));
tmpuser->digts = 0;
break;
default:
break;
}
}
}
watchers[pos++] = tmpuser->ochan;
livechannels++;
}
if (!livechannels) {
ast_verb(3, "No live channels left for this step.\n");
return NULL;
}
tmpto = to;
towas = to;
winner = ast_waitfor_n(watchers, pos, &to);
tmpto -= to;
totalwait -= tmpto;
wtd = to;
if (totalwait <= 0) {
ast_verb(3, "We've hit our timeout for this step. Dropping unanswered calls and starting the next step.\n");
clear_unanswered_calls(findme_user_list);
return NULL;
}
if (winner) {
/* Need to find out which channel this is */
if (winner != caller) {
/* The winner is an outgoing channel. */
AST_LIST_TRAVERSE(findme_user_list, tmpuser, entry) {
if (tmpuser->ochan == winner) {
break;
}
}
} else {
tmpuser = NULL;
}
f = ast_read(winner);
if (f) {
if (f->frametype == AST_FRAME_CONTROL) {
switch (f->subclass.integer) {
case AST_CONTROL_HANGUP:
ast_verb(3, "%s received a hangup frame.\n", ast_channel_name(winner));
if (f->data.uint32) {
ast_channel_hangupcause_set(winner, f->data.uint32);
}
if (!tmpuser) {
ast_verb(3, "The calling channel hungup. Need to drop everyone.\n");
publish_dial_end_event(caller, findme_user_list, NULL, "CANCEL");
ast_frfree(f);
return NULL;
}
clear_caller(tmpuser);
break;
case AST_CONTROL_ANSWER:
if (!tmpuser) {
/* The caller answered? We want an outgoing channel to answer. */
break;
}
ast_verb(3, "%s answered %s\n", ast_channel_name(winner), ast_channel_name(caller));
ast_channel_publish_dial(caller, winner, NULL, "ANSWER");
publish_dial_end_event(caller, findme_user_list, winner, "CANCEL");
tmpuser->answered = 1;
/* If call has been answered, then the eventual hangup is likely to be normal hangup */
ast_channel_hangupcause_set(winner, AST_CAUSE_NORMAL_CLEARING);
ast_channel_hangupcause_set(caller, AST_CAUSE_NORMAL_CLEARING);
if (tpargs->enable_callee_prompt) {
ast_verb(3, "Starting playback of %s\n", callfromname);
if (!ast_strlen_zero(tpargs->namerecloc)) {
if (!ast_streamfile(winner, callfromname, ast_channel_language(winner))) {
ast_sched_runq(ast_channel_sched(winner));
tmpuser->state = 1;
} else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", callfromname);
clear_caller(tmpuser);
}
} else {
tmpuser->state = 2;
if (!ast_streamfile(tmpuser->ochan, tpargs->norecordingprompt, ast_channel_language(tmpuser->ochan)))
ast_sched_runq(ast_channel_sched(tmpuser->ochan));
else {
ast_log(LOG_WARNING, "Unable to playback %s.\n", tpargs->norecordingprompt);
clear_caller(tmpuser);
}
}
} else {
ast_verb(3, "Skip playback of caller name / norecording\n");
tmpuser->state = 2;
}
break;
case AST_CONTROL_BUSY:
ast_verb(3, "%s is busy\n", ast_channel_name(winner));
if (tmpuser) {
/* Outbound call was busy. Drop it. */
ast_channel_publish_dial(caller, winner, NULL, "BUSY");
clear_caller(tmpuser);
}
break;
case AST_CONTROL_CONGESTION:
ast_verb(3, "%s is circuit-busy\n", ast_channel_name(winner));
if (tmpuser) {
/* Outbound call was congested. Drop it. */
ast_channel_publish_dial(caller, winner, NULL, "CONGESTION");
clear_caller(tmpuser);
}
break;
case AST_CONTROL_RINGING:
ast_verb(3, "%s is ringing\n", ast_channel_name(winner));
ast_channel_publish_dial(caller, winner, NULL, "RINGING");
break;
case AST_CONTROL_PROGRESS:
ast_verb(3, "%s is making progress\n", ast_channel_name(winner));
ast_channel_publish_dial(caller, winner, NULL, "PROGRESS");
break;
case AST_CONTROL_VIDUPDATE:
ast_verb(3, "%s requested a video update\n", ast_channel_name(winner));
break;
case AST_CONTROL_SRCUPDATE:
ast_verb(3, "%s requested a source update\n", ast_channel_name(winner));
break;
case AST_CONTROL_PROCEEDING:
ast_verb(3, "%s is proceeding\n", ast_channel_name(winner));
ast_channel_publish_dial(caller, winner, NULL, "PROCEEDING");
break;
case AST_CONTROL_HOLD:
ast_verb(3, "%s placed call on hold\n", ast_channel_name(winner));
if (!tmpuser) {
/* Caller placed outgoing calls on hold. */
tpargs->pending_hold = 1;
if (f->data.ptr) {
ast_copy_string(tpargs->suggested_moh, f->data.ptr,
sizeof(tpargs->suggested_moh));
} else {
tpargs->suggested_moh[0] = '\0';
}
} else {
/*
* Outgoing call placed caller on hold.
*
* Ignore because the outgoing call should not be able to place
* the caller on hold until after they are bridged.
*/
}
break;
case AST_CONTROL_UNHOLD:
ast_verb(3, "%s removed call from hold\n", ast_channel_name(winner));
if (!tmpuser) {
/* Caller removed outgoing calls from hold. */
tpargs->pending_hold = 0;
} else {
/*
* Outgoing call removed caller from hold.
*
* Ignore because the outgoing call should not be able to place
* the caller on hold until after they are bridged.
*/
}
break;
case AST_CONTROL_OFFHOOK:
case AST_CONTROL_FLASH:
/* Ignore going off hook and flash */
break;
case AST_CONTROL_CONNECTED_LINE:
if (ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_IGNORE_CONNECTEDLINE)) {
ast_verb(3, "Connected line update from %s prevented.\n",
ast_channel_name(winner));
break;
}
if (!tmpuser) {
/*
* Hold connected line update from caller until we have a
* winner.
*/
ast_verb(3,
"%s connected line has changed. Saving it until we have a winner.\n",
ast_channel_name(winner));
ast_party_connected_line_set_init(&connected, &tpargs->connected_in);
if (!ast_connected_line_parse_data(f->data.ptr, f->datalen, &connected)) {
ast_party_connected_line_set(&tpargs->connected_in,
&connected, NULL);
tpargs->pending_in_connected_update = 1;
}
ast_party_connected_line_free(&connected);
} else {
ast_verb(3,
"%s connected line has changed. Saving it until answer.\n",
ast_channel_name(winner));
ast_party_connected_line_set_init(&connected, &tmpuser->connected);
if (!ast_connected_line_parse_data(f->data.ptr, f->datalen, &connected)) {
ast_party_connected_line_set(&tmpuser->connected,
&connected, NULL);
tmpuser->pending_connected_update = 1;
}
ast_party_connected_line_free(&connected);
}
break;
case AST_CONTROL_REDIRECTING:
/*
* Ignore because we are masking the FollowMe search progress to
* the caller.
*/
break;
case AST_CONTROL_PVT_CAUSE_CODE:
ast_indicate_data(caller, f->subclass.integer, f->data.ptr, f->datalen);
break;
case -1:
ast_verb(3, "%s stopped sounds\n", ast_channel_name(winner));
break;
default:
ast_debug(1, "Dunno what to do with control type %d from %s\n",
f->subclass.integer, ast_channel_name(winner));
break;
}
}
if (!tpargs->enable_callee_prompt && tmpuser) {
ast_debug(1, "Taking call with no prompt\n");
ast_frfree(f);
return tmpuser->ochan;
}
if (tmpuser && tmpuser->state == 3 && f->frametype == AST_FRAME_DTMF) {
int cmp_len;
if (ast_channel_stream(winner))
ast_stopstream(winner);
tmpuser->digts = 0;
ast_debug(1, "DTMF received: %c\n", (char) f->subclass.integer);
if (tmpuser->ynidx < ARRAY_LEN(tmpuser->yn) - 1) {
tmpuser->yn[tmpuser->ynidx++] = f->subclass.integer;
} else {
/* Discard oldest digit. */
memmove(tmpuser->yn, tmpuser->yn + 1,
sizeof(tmpuser->yn) - 2 * sizeof(tmpuser->yn[0]));
tmpuser->yn[ARRAY_LEN(tmpuser->yn) - 2] = f->subclass.integer;
}
ast_debug(1, "DTMF string: %s\n", tmpuser->yn);
cmp_len = strlen(tpargs->takecall);
if (cmp_len <= tmpuser->ynidx
&& !strcmp(tmpuser->yn + (tmpuser->ynidx - cmp_len), tpargs->takecall)) {
ast_debug(1, "Match to take the call!\n");
ast_frfree(f);
return tmpuser->ochan;
}
cmp_len = strlen(tpargs->nextindp);
if (cmp_len <= tmpuser->ynidx
&& !strcmp(tmpuser->yn + (tmpuser->ynidx - cmp_len), tpargs->nextindp)) {
ast_debug(1, "Declined to take the call.\n");
clear_caller(tmpuser);
}
}
ast_frfree(f);
} else {
ast_debug(1, "we didn't get a frame. hanging up.\n");
if (!tmpuser) {
/* Caller hung up. */
ast_verb(3, "The calling channel hungup. Need to drop everyone.\n");
return NULL;
}
/* Outgoing channel hung up. */
ast_channel_publish_dial(caller, winner, NULL, "NOANSWER");
clear_caller(tmpuser);
}
} else {
ast_debug(1, "timed out waiting for action\n");
}
}
/* Unreachable. */
}
/*!
* \internal
* \brief Find an extension willing to take the call.
*
* \param tpargs Active Followme config.
* \param caller Channel initiating the outgoing calls.
*
* \retval winner Winning outgoing call.
* \retval NULL if could not find someone to take the call.
*/
static struct ast_channel *findmeexec(struct fm_args *tpargs, struct ast_channel *caller)
{
struct number *nm;
struct ast_channel *winner = NULL;
char num[512];
int dg, idx;
char *rest, *number;
struct findme_user *tmpuser;
struct findme_user *fmuser;
struct findme_user_listptr findme_user_list = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
struct findme_user_listptr new_user_list = AST_LIST_HEAD_NOLOCK_INIT_VALUE;
for (idx = 1; !ast_check_hangup(caller); ++idx) {
/* Find next followme numbers to dial. */
AST_LIST_TRAVERSE(&tpargs->cnumbers, nm, entry) {
if (nm->order == idx) {
break;
}
}
if (!nm) {
ast_verb(3, "No more steps left.\n");
break;
}
ast_debug(2, "Number(s) %s timeout %ld\n", nm->number, nm->timeout);
/*
* Put all active outgoing channels into autoservice.
*
* This needs to be done because ast_exists_extension() may put
* the caller into autoservice.
*/
AST_LIST_TRAVERSE(&findme_user_list, tmpuser, entry) {
if (tmpuser->ochan) {
ast_autoservice_start(tmpuser->ochan);
}
}
/* Create all new outgoing calls */
ast_copy_string(num, nm->number, sizeof(num));
for (number = num; number; number = rest) {
struct ast_channel *outbound;
rest = strchr(number, '&');
if (rest) {
*rest++ = 0;
}
/* We check if the extension exists, before creating the ast_channel struct */
if (!ast_exists_extension(caller, tpargs->context, number, 1, S_COR(ast_channel_caller(caller)->id.number.valid, ast_channel_caller(caller)->id.number.str, NULL))) {
ast_log(LOG_ERROR, "Extension '%s@%s' doesn't exist\n", number, tpargs->context);
continue;
}
tmpuser = ast_calloc(1, sizeof(*tmpuser));
if (!tmpuser) {
continue;
}
if (ast_strlen_zero(tpargs->context)) {
snprintf(tmpuser->dialarg, sizeof(tmpuser->dialarg), "%s%s",
number,
ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_DISABLEOPTIMIZATION)
? "/n" : "/m");
} else {
snprintf(tmpuser->dialarg, sizeof(tmpuser->dialarg), "%s@%s%s",
number, tpargs->context,
ast_test_flag(&tpargs->followmeflags, FOLLOWMEFLAG_DISABLEOPTIMIZATION)
? "/n" : "/m");
}
outbound = ast_request("Local", ast_channel_nativeformats(caller), NULL, caller,
tmpuser->dialarg, &dg);
if (!outbound) {
ast_log(LOG_WARNING, "Unable to allocate a channel for Local/%s cause: %s\n",
tmpuser->dialarg, ast_cause2str(dg));
ast_free(tmpuser);
continue;
}
ast_channel_lock_both(caller, outbound);
ast_connected_line_copy_from_caller(ast_channel_connected(outbound), ast_channel_caller(caller));
ast_channel_inherit_variables(caller, outbound);
ast_channel_datastore_inherit(caller, outbound);
ast_max_forwards_decrement(outbound);
ast_channel_language_set(outbound, ast_channel_language(caller));
ast_channel_req_accountcodes(outbound, caller, AST_CHANNEL_REQUESTOR_BRIDGE_PEER);
ast_channel_musicclass_set(outbound, ast_channel_musicclass(caller));
ast_channel_unlock(outbound);
ast_channel_unlock(caller);
tmpuser->ochan = outbound;
tmpuser->state = 0;
AST_LIST_INSERT_TAIL(&new_user_list, tmpuser, entry);
}
/*
* PREDIAL: Run gosub on all of the new callee channels
*
* We run the callee predial before ast_call() in case the user
* wishes to do something on the newly created channels before
* the channel does anything important.
*/
if (tpargs->predial_callee && !AST_LIST_EMPTY(&new_user_list)) {
/* Put caller into autoservice. */
ast_autoservice_start(caller);
/* Run predial on all new outgoing calls. */
AST_LIST_TRAVERSE(&new_user_list, tmpuser, entry) {
ast_pre_call(tmpuser->ochan, tpargs->predial_callee);
}
/* Take caller out of autoservice. */
if (ast_autoservice_stop(caller)) {
/*
* Caller hungup.
*
* Destoy all new outgoing calls.
*/
while ((tmpuser = AST_LIST_REMOVE_HEAD(&new_user_list, entry))) {
destroy_calling_node(tmpuser);
}
/* Take all active outgoing channels out of autoservice. */
AST_LIST_TRAVERSE(&findme_user_list, tmpuser, entry) {
if (tmpuser->ochan) {
ast_autoservice_stop(tmpuser->ochan);
}
}
break;
}
}
/* Start all new outgoing calls */
AST_LIST_TRAVERSE_SAFE_BEGIN(&new_user_list, tmpuser, entry) {
ast_verb(3, "calling Local/%s\n", tmpuser->dialarg);
if (ast_call(tmpuser->ochan, tmpuser->dialarg, 0)) {
ast_verb(3, "couldn't reach at this number.\n");
AST_LIST_REMOVE_CURRENT(entry);
/* Destroy this failed new outgoing call. */
destroy_calling_node(tmpuser);
continue;
}
ast_channel_publish_dial(caller, tmpuser->ochan, tmpuser->dialarg, NULL);
}
AST_LIST_TRAVERSE_SAFE_END;
/* Take all active outgoing channels out of autoservice. */
AST_LIST_TRAVERSE_SAFE_BEGIN(&findme_user_list, tmpuser, entry) {
if (tmpuser->ochan && ast_autoservice_stop(tmpuser->ochan)) {
/* Existing outgoing call hungup. */
AST_LIST_REMOVE_CURRENT(entry);
destroy_calling_node(tmpuser);
}
}
AST_LIST_TRAVERSE_SAFE_END;
if (AST_LIST_EMPTY(&new_user_list)) {
/* No new channels remain at this order level. If there were any at all. */
continue;
}
/* Add new outgoing channels to the findme list. */
AST_LIST_APPEND_LIST(&findme_user_list, &new_user_list, entry);
winner = wait_for_winner(&findme_user_list, nm, caller, tpargs);
if (!winner) {
/* Remove all dead outgoing nodes. */
AST_LIST_TRAVERSE_SAFE_BEGIN(&findme_user_list, tmpuser, entry) {
if (!tmpuser->ochan) {
AST_LIST_REMOVE_CURRENT(entry);
destroy_calling_node(tmpuser);
}
}
AST_LIST_TRAVERSE_SAFE_END;
continue;
}
/* Destroy losing calls up to the winner. The rest will be destroyed later. */
while ((fmuser = AST_LIST_REMOVE_HEAD(&findme_user_list, entry))) {
if (fmuser->ochan == winner) {
/*
* Pass any connected line info up.
*
* NOTE: This code must be in line with destroy_calling_node().
*/
tpargs->connected_out = fmuser->connected;
tpargs->pending_out_connected_update = fmuser->pending_connected_update;
ast_free(fmuser);
break;
} else {
/* Destroy losing call. */
destroy_calling_node(fmuser);
}
}
break;
}
destroy_calling_tree(&findme_user_list);
return winner;
}
static struct call_followme *find_realtime(const char *name)
{
struct ast_variable *var;
struct ast_variable *v;
struct ast_config *cfg;
const char *catg;
struct call_followme *new_follower;
struct ast_str *str;
str = ast_str_create(16);
if (!str) {
return NULL;
}
var = ast_load_realtime("followme", "name", name, SENTINEL);
if (!var) {
ast_free(str);
return NULL;
}
if (!(new_follower = alloc_profile(name))) {
ast_variables_destroy(var);
ast_free(str);
return NULL;
}
init_profile(new_follower, 0);
for (v = var; v; v = v->next) {
if (!strcasecmp(v->name, "active")) {
if (ast_false(v->value)) {
ast_mutex_destroy(&new_follower->lock);
ast_free(new_follower);
ast_variables_destroy(var);
ast_free(str);
return NULL;
}
} else {
profile_set_param(new_follower, v->name, v->value, 0, 0);
}
}
ast_variables_destroy(var);
new_follower->realtime = 1;
/* Load numbers */
cfg = ast_load_realtime_multientry("followme_numbers", "ordinal LIKE", "%", "name",
name, SENTINEL);
if (!cfg) {
ast_mutex_destroy(&new_follower->lock);
ast_free(new_follower);
ast_free(str);
return NULL;
}
for (catg = ast_category_browse(cfg, NULL); catg; catg = ast_category_browse(cfg, catg)) {
const char *numstr;
const char *timeoutstr;
const char *ordstr;
int timeout;
struct number *cur;
if (!(numstr = ast_variable_retrieve(cfg, catg, "phonenumber"))) {
continue;
}
if (!(timeoutstr = ast_variable_retrieve(cfg, catg, "timeout"))
|| sscanf(timeoutstr, "%30d", &timeout) != 1
|| timeout < 1) {
timeout = 25;
}
/* This one has to exist; it was part of the query */
ordstr = ast_variable_retrieve(cfg, catg, "ordinal");
ast_str_set(&str, 0, "%s", numstr);
if ((cur = create_followme_number(ast_str_buffer(str), timeout, atoi(ordstr)))) {
AST_LIST_INSERT_TAIL(&new_follower->numbers, cur, entry);
}
}
ast_config_destroy(cfg);
ast_free(str);
return new_follower;
}
static void end_bridge_callback(void *data)
{
char buf[80];
time_t end;
struct ast_channel *chan = data;
time(&end);
ast_channel_lock(chan);
snprintf(buf, sizeof(buf), "%d", ast_channel_get_up_time(chan));
pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
snprintf(buf, sizeof(buf), "%d", ast_channel_get_duration(chan));
pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
ast_channel_unlock(chan);
}
static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator)
{
bconfig->end_bridge_callback_data = originator;
}
static int app_exec(struct ast_channel *chan, const char *data)
{
struct fm_args *targs;
struct ast_bridge_config config;
struct call_followme *f;
struct number *nm, *newnm;
int res = 0;
char *argstr;
struct ast_channel *caller;
struct ast_channel *outbound;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(followmeid);
AST_APP_ARG(options);
);
char *opt_args[FOLLOWMEFLAG_ARG_ARRAY_SIZE];
int max_forwards;
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
return -1;
}
ast_channel_lock(chan);
max_forwards = ast_max_forwards_get(chan);
ast_channel_unlock(chan);
if (max_forwards <= 0) {
ast_log(LOG_WARNING, "Unable to execute FollowMe on channel %s. Max forwards exceeded\n",
ast_channel_name(chan));
return -1;
}
argstr = ast_strdupa((char *) data);
AST_STANDARD_APP_ARGS(args, argstr);
if (ast_strlen_zero(args.followmeid)) {
ast_log(LOG_WARNING, "%s requires an argument (followmeid)\n", app);
return -1;
}
targs = ast_calloc(1, sizeof(*targs));
if (!targs) {
return -1;
}
AST_RWLIST_RDLOCK(&followmes);
AST_RWLIST_TRAVERSE(&followmes, f, entry) {
if (!strcasecmp(f->name, args.followmeid) && (f->active))
break;
}
AST_RWLIST_UNLOCK(&followmes);
ast_debug(1, "New profile %s.\n", args.followmeid);
if (!f) {
f = find_realtime(args.followmeid);
}
if (!f) {
ast_log(LOG_WARNING, "Profile requested, %s, not found in the configuration.\n", args.followmeid);
ast_free(targs);
return 0;
}
/* 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, opt_args, 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->enable_callee_prompt = f->enable_callee_prompt;
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));
ast_copy_string(targs->connprompt, f->connprompt, sizeof(targs->connprompt));
/* 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);
if (newnm) {
AST_LIST_INSERT_TAIL(&targs->cnumbers, newnm, entry);
}
}
ast_mutex_unlock(&f->lock);
/* PREDIAL: Preprocess any callee gosub arguments. */
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_PREDIAL_CALLEE)
&& !ast_strlen_zero(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE])) {
ast_replace_subargument_delimiter(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE]);
targs->predial_callee =
ast_app_expand_sub_args(chan, opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLEE]);
}
/* PREDIAL: Run gosub on the caller's channel */
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_PREDIAL_CALLER)
&& !ast_strlen_zero(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER])) {
ast_replace_subargument_delimiter(opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER]);
ast_app_exec_sub(NULL, chan, opt_args[FOLLOWMEFLAG_ARG_PREDIAL_CALLER], 0);
}
/* Forget the 'N' option if the call is already up. */
if (ast_channel_state(chan) == AST_STATE_UP) {
ast_clear_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER);
}
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
ast_indicate(chan, AST_CONTROL_RINGING);
} else {
/* Answer the call */
if (ast_channel_state(chan) != AST_STATE_UP) {
ast_answer(chan);
}
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_STATUSMSG)) {
ast_stream_and_wait(chan, targs->statusprompt, "");
}
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_RECORDNAME)) {
int duration = 5;
snprintf(targs->namerecloc, sizeof(targs->namerecloc), "%s/followme.%s",
ast_config_AST_SPOOL_DIR, ast_channel_uniqueid(chan));
if (ast_play_and_record(chan, "vm-rec-name", targs->namerecloc, 5, REC_FORMAT, &duration,
NULL, ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE), 0, NULL) < 0) {
goto outrun;
}
if (!ast_fileexists(targs->namerecloc, NULL, ast_channel_language(chan))) {
targs->namerecloc[0] = '\0';
}
}
if (!ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_DISABLEHOLDPROMPT)) {
if (ast_streamfile(chan, targs->plsholdprompt, ast_channel_language(chan))) {
goto outrun;
}
if (ast_waitstream(chan, "") < 0)
goto outrun;
}
ast_moh_start(chan, targs->mohclass, NULL);
}
ast_channel_lock(chan);
ast_connected_line_copy_from_caller(&targs->connected_in, ast_channel_caller(chan));
ast_channel_unlock(chan);
outbound = findmeexec(targs, chan);
if (!outbound) {
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
if (ast_channel_state(chan) != AST_STATE_UP) {
ast_answer(chan);
}
} else {
ast_moh_stop(chan);
}
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_UNREACHABLEMSG)) {
ast_stream_and_wait(chan, targs->sorryprompt, "");
}
res = 0;
} else {
caller = chan;
/* Play "connecting" message to the winner, if configured. */
if (!ast_strlen_zero(targs->connprompt)) {
ast_autoservice_start(caller);
ast_stream_and_wait(outbound, targs->connprompt, "");
ast_autoservice_stop(caller);
}
/* Bridge the two channels. */
memset(&config, 0, sizeof(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);
config.end_bridge_callback = end_bridge_callback;
config.end_bridge_callback_data = chan;
config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
/* Update connected line to caller if available. */
if (targs->pending_out_connected_update) {
if (ast_channel_connected_line_sub(outbound, caller, &targs->connected_out, 0) &&
ast_channel_connected_line_macro(outbound, caller, &targs->connected_out, 1, 0)) {
ast_channel_update_connected_line(caller, &targs->connected_out, NULL);
}
}
if (ast_test_flag(&targs->followmeflags, FOLLOWMEFLAG_NOANSWER)) {
if (ast_channel_state(caller) != AST_STATE_UP) {
ast_answer(caller);
}
} else {
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", ast_channel_name(caller), ast_channel_name(outbound));
ast_autoservice_chan_hangup_peer(caller, outbound);
goto outrun;
}
/* Update connected line to winner if changed. */
if (targs->pending_in_connected_update) {
if (ast_channel_connected_line_sub(caller, outbound, &targs->connected_in, 0) &&
ast_channel_connected_line_macro(caller, outbound, &targs->connected_in, 0, 0)) {
ast_channel_update_connected_line(outbound, &targs->connected_in, NULL);
}
}
/* Put winner on hold if caller requested. */
if (targs->pending_hold) {
if (ast_strlen_zero(targs->suggested_moh)) {
ast_indicate_data(outbound, AST_CONTROL_HOLD, NULL, 0);
} else {
ast_indicate_data(outbound, AST_CONTROL_HOLD,
targs->suggested_moh, strlen(targs->suggested_moh) + 1);
}
}
res = ast_bridge_call(caller, outbound, &config);
}
outrun:
while ((nm = AST_LIST_REMOVE_HEAD(&targs->cnumbers, entry))) {
ast_free(nm);
}
if (!ast_strlen_zero(targs->namerecloc)) {
int ret;
char fn[PATH_MAX + sizeof(REC_FORMAT)];
snprintf(fn, sizeof(fn), "%s.%s", targs->namerecloc,
REC_FORMAT);
ret = unlink(fn);
if (ret != 0) {
ast_log(LOG_NOTICE, "Failed to delete recorded name file %s: %d (%s)\n",
fn, errno, strerror(errno));
} else {
ast_debug(2, "deleted recorded prompt %s.\n", fn);
}
}
ast_free((char *) targs->predial_callee);
ast_party_connected_line_free(&targs->connected_in);
ast_party_connected_line_free(&targs->connected_out);
ast_free(targs);
if (f->realtime) {
/* Not in list */
free_numbers(f);
ast_free(f);
}
return res;
}
static int unload_module(void)
{
struct call_followme *f;
ast_unregister_application(app);
/* Free Memory. Yeah! I'm free! */
AST_RWLIST_WRLOCK(&followmes);
while ((f = AST_RWLIST_REMOVE_HEAD(&followmes, entry))) {
free_numbers(f);
ast_free(f);
}
AST_RWLIST_UNLOCK(&followmes);
return 0;
}
/*!
* \brief Load the module
*
* Module loading including tests for configuration or dependencies.
* This function can return AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_DECLINE,
* or AST_MODULE_LOAD_SUCCESS. If a dependency or environment variable fails
* tests return AST_MODULE_LOAD_FAILURE. If the module can not load the
* configuration file or other non-critical problem return
* AST_MODULE_LOAD_DECLINE. On success return AST_MODULE_LOAD_SUCCESS.
*/
static int load_module(void)
{
if(!reload_followme(0))
return AST_MODULE_LOAD_DECLINE;
return ast_register_application_xml(app, app_exec);
}
static int reload(void)
{
reload_followme(1);
return 0;
}
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "Find-Me/Follow-Me Application",
.support_level = AST_MODULE_SUPPORT_CORE,
.load = load_module,
.unload = unload_module,
.reload = reload,
);