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 pre_bridge_setup(struct ast_channel *chan, struct ast_channel *peer, struct ast_bridge_config *config,
struct ast_bridge_features *chan_features, struct ast_bridge_features *peer_features)
{
int res;
set_bridge_features_on_config(config, pbx_builtin_getvar_helper(chan, "BRIDGE_FEATURES"));
add_features_datastores(chan, peer, config);
/*
* This is an interesting case. One example is if a ringing
* channel gets redirected to an extension that picks up a
* parked call. This will make sure that the call taken out of
* parking gets told that the channel it just got bridged to is
* still ringing.
*/
if (ast_channel_state(chan) == AST_STATE_RINGING
&& ast_channel_visible_indication(peer) != AST_CONTROL_RINGING) {
ast_indicate(peer, AST_CONTROL_RINGING);
}
bridge_check_monitor(chan, peer);
set_config_flags(chan, config);
/* Answer if need be */
if (ast_channel_state(chan) != AST_STATE_UP) {
if (ast_raw_answer(chan)) {
return -1;
}
}
#ifdef FOR_DEBUG
/* show the two channels and cdrs involved in the bridge for debug & devel purposes */
ast_channel_log("Pre-bridge CHAN Channel info", chan);
ast_channel_log("Pre-bridge PEER Channel info", peer);
#endif
res = 0;
ast_channel_lock(chan);
ast_max_forwards_reset(chan);
res |= ast_bridge_features_ds_append(chan, &config->features_caller);
ast_channel_unlock(chan);
ast_channel_lock(peer);
ast_max_forwards_reset(peer);
res |= ast_bridge_features_ds_append(peer, &config->features_callee);
ast_channel_unlock(peer);
if (res) {
return -1;
}
if (config->timelimit) {
struct ast_bridge_features_limits call_duration_limits_chan;
struct ast_bridge_features_limits call_duration_limits_peer;
int abandon_call = 0; /* TRUE if set limits fails so we can abandon the call. */
if (ast_bridge_features_limits_construct(&call_duration_limits_chan)) {
ast_log(LOG_ERROR, "Could not construct caller duration limits. Bridge canceled.\n");
return -1;
}
if (ast_bridge_features_limits_construct(&call_duration_limits_peer)) {
ast_log(LOG_ERROR, "Could not construct callee duration limits. Bridge canceled.\n");
ast_bridge_features_limits_destroy(&call_duration_limits_chan);
return -1;
}
bridge_config_set_limits(config, &call_duration_limits_chan, &call_duration_limits_peer);
if (ast_bridge_features_set_limits(chan_features, &call_duration_limits_chan, 0)) {
abandon_call = 1;
}
if (ast_bridge_features_set_limits(peer_features, &call_duration_limits_peer, 0)) {
abandon_call = 1;
}
/* At this point we are done with the limits structs since they have been copied to the individual feature sets. */
ast_bridge_features_limits_destroy(&call_duration_limits_chan);
ast_bridge_features_limits_destroy(&call_duration_limits_peer);
if (abandon_call) {
ast_log(LOG_ERROR, "Could not set duration limits on one or more sides of the call. Bridge canceled.\n");
return -1;
}
}
return 0;
}