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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2013, Digium, Inc.
*
* Jonathan Rose <jrose@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.
*/
/*! \file
*
* \brief Built in bridging interval features
*
* \author Jonathan Rose <jrose@digium.com>
*
* \ingroup bridges
*/
/*** MODULEINFO
<support_level>core</support_level>
***/
#include "asterisk.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "asterisk/module.h"
#include "asterisk/channel.h"
#include "asterisk/bridge.h"
#include "asterisk/file.h"
#include "asterisk/app.h"
#include "asterisk/astobj2.h"
#include "asterisk/test.h"
#include "asterisk/say.h"
#include "asterisk/stringfields.h"
#include "asterisk/musiconhold.h"
#include "asterisk/causes.h"
static int bridge_features_duration_callback(struct ast_bridge_channel *bridge_channel, void *hook_pvt)
{
struct ast_bridge_features_limits *limits = hook_pvt;
if (!ast_strlen_zero(limits->duration_sound)) {
ast_stream_and_wait(bridge_channel->chan, limits->duration_sound, AST_DIGIT_NONE);
}
ast_bridge_channel_leave_bridge(bridge_channel, BRIDGE_CHANNEL_STATE_END,
AST_CAUSE_NORMAL_CLEARING);
ast_test_suite_event_notify("BRIDGE_TIMELIMIT", "Channel1: %s",
ast_channel_name(bridge_channel->chan));
return -1;
}
static void limits_interval_playback(struct ast_bridge_channel *bridge_channel, struct ast_bridge_features_limits *limits, const char *file)
{
if (!strcasecmp(file, "timeleft")) {
unsigned int remaining = ast_tvdiff_ms(limits->quitting_time, ast_tvnow()) / 1000;
unsigned int min;
unsigned int sec;
if (remaining <= 0) {
return;
}
if ((remaining / 60) > 1) {
min = remaining / 60;
sec = remaining % 60;
} else {
min = 0;
sec = remaining;
}
ast_stream_and_wait(bridge_channel->chan, "vm-youhave", AST_DIGIT_NONE);
if (min) {
ast_say_number(bridge_channel->chan, min, AST_DIGIT_NONE,
ast_channel_language(bridge_channel->chan), NULL);
ast_stream_and_wait(bridge_channel->chan, "queue-minutes", AST_DIGIT_NONE);
}
if (sec) {
ast_say_number(bridge_channel->chan, sec, AST_DIGIT_NONE,
ast_channel_language(bridge_channel->chan), NULL);
ast_stream_and_wait(bridge_channel->chan, "queue-seconds", AST_DIGIT_NONE);
}
} else {
ast_stream_and_wait(bridge_channel->chan, file, AST_DIGIT_NONE);
}
/*
* It may be necessary to resume music on hold after we finish
* playing the announcment.
*/
if (ast_test_flag(ast_channel_flags(bridge_channel->chan), AST_FLAG_MOH)) {
const char *latest_musicclass;
ast_channel_lock(bridge_channel->chan);
latest_musicclass = ast_strdupa(ast_channel_latest_musicclass(bridge_channel->chan));
ast_channel_unlock(bridge_channel->chan);
ast_moh_start(bridge_channel->chan, latest_musicclass, NULL);
}
}
static int bridge_features_connect_callback(struct ast_bridge_channel *bridge_channel, void *hook_pvt)
{
struct ast_bridge_features_limits *limits = hook_pvt;
limits_interval_playback(bridge_channel, limits, limits->connect_sound);
return -1;
}
static int bridge_features_warning_callback(struct ast_bridge_channel *bridge_channel, void *hook_pvt)
{
struct ast_bridge_features_limits *limits = hook_pvt;
limits_interval_playback(bridge_channel, limits, limits->warning_sound);
return limits->frequency ?: -1;
}
static void bridge_features_limits_copy(struct ast_bridge_features_limits *dst, struct ast_bridge_features_limits *src)
{
ast_string_fields_copy(dst, src);
dst->quitting_time = src->quitting_time;
dst->duration = src->duration;
dst->warning = src->warning;
dst->frequency = src->frequency;
}
static void bridge_features_limits_dtor(void *vdoomed)
{
struct ast_bridge_features_limits *doomed = vdoomed;
ast_bridge_features_limits_destroy(doomed);
ast_module_unref(ast_module_info->self);
}
static int bridge_builtin_set_limits(struct ast_bridge_features *features,
struct ast_bridge_features_limits *limits,
enum ast_bridge_hook_remove_flags remove_flags)
{
RAII_VAR(struct ast_bridge_features_limits *, feature_limits, NULL, ao2_cleanup);
if (!limits->duration) {
return -1;
}
/* Create limits hook_pvt data. */
ast_module_ref(ast_module_info->self);
feature_limits = ao2_alloc_options(sizeof(*feature_limits),
bridge_features_limits_dtor, AO2_ALLOC_OPT_LOCK_NOLOCK);
if (!feature_limits) {
ast_module_unref(ast_module_info->self);
return -1;
}
if (ast_bridge_features_limits_construct(feature_limits)) {
return -1;
}
bridge_features_limits_copy(feature_limits, limits);
feature_limits->quitting_time = ast_tvadd(ast_tvnow(),
ast_samp2tv(feature_limits->duration, 1000));
/* Install limit hooks. */
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA,
feature_limits->duration,
bridge_features_duration_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_ERROR, "Failed to schedule the duration limiter to the bridge channel.\n");
ao2_ref(feature_limits, -1);
return -1;
}
if (!ast_strlen_zero(feature_limits->connect_sound)) {
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA, 1,
bridge_features_connect_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_WARNING, "Failed to schedule connect sound to the bridge channel.\n");
ao2_ref(feature_limits, -1);
}
}
if (feature_limits->warning && feature_limits->warning < feature_limits->duration) {
ao2_ref(feature_limits, +1);
if (ast_bridge_interval_hook(features, AST_BRIDGE_HOOK_TIMER_OPTION_MEDIA,
feature_limits->duration - feature_limits->warning,
bridge_features_warning_callback, feature_limits, __ao2_cleanup, remove_flags)) {
ast_log(LOG_WARNING, "Failed to schedule warning sound playback to the bridge channel.\n");
ao2_ref(feature_limits, -1);
}
}
return 0;
}
static int unload_module(void)
{
ast_bridge_interval_unregister(AST_BRIDGE_BUILTIN_INTERVAL_LIMITS);
return 0;
}
static int load_module(void)
{
return ast_bridge_interval_register(AST_BRIDGE_BUILTIN_INTERVAL_LIMITS,
bridge_builtin_set_limits);
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Built in bridging interval features");
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