/* Attempt to pick up specified extension with context */
static int pickup_by_exten(struct ast_channel *chan, const char *exten, const char *context)
{
struct ast_channel *target = NULL;/*!< Potential pickup target */
struct ast_channel_iterator *iter;
int res = -1;
if (!(iter = ast_channel_iterator_by_exten_new(exten, context))) {
return -1;
}
while ((target = ast_channel_iterator_next(iter))) {
ast_channel_lock(target);
if ((chan != target) && ast_can_pickup(target)) {
ast_log(LOG_NOTICE, "%s pickup by %s\n", ast_channel_name(target), ast_channel_name(chan));
break;
}
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
ast_channel_iterator_destroy(iter);
if (target) {
res = ast_do_pickup(chan, target);
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
return res;
}
/* Attempt to pick up specified by partial channel name */
static int pickup_by_part(struct ast_channel *chan, const char *part)
{
struct ast_channel *target;/*!< Potential pickup target */
int res = -1;
/* The found channel is already locked. */
target = ast_channel_callback(find_by_part, NULL, (char *) part, 0);
if (target) {
res = ast_do_pickup(chan, target);
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
return res;
}
/*! \brief Attempt to pick up named channel. */
static int pickup_by_channel(struct ast_channel *chan, const char *name)
{
int res = -1;
struct ast_channel *target;/*!< Potential pickup target */
/* The found channel is already locked. */
target = find_by_channel(chan, name);
if (target) {
res = ast_do_pickup(chan, target);
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
return res;
}
static int pickup_by_group(struct ast_channel *chan)
{
struct ast_channel *target;/*!< Potential pickup target */
int res = -1;
/* The found channel is already locked. */
target = ast_pickup_find_by_group(chan);
if (target) {
ast_log(LOG_NOTICE, "pickup %s attempt by %s\n", ast_channel_name(target), ast_channel_name(chan));
res = ast_do_pickup(chan, target);
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
return res;
}
/*! \brief Attempt to pick up named channel, does not use context */
static int pickup_by_channel(struct ast_channel *chan, char *pickup)
{
int res = -1;
struct ast_channel *target;/*!< Potential pickup target */
target = my_ast_get_channel_by_name_locked(pickup);
if (target) {
/* Just check that we are not picking up the SAME as target. (i.e. ourself) */
if (chan != target) {
res = ast_do_pickup(chan, target);
}
ast_channel_unlock(target);
target = ast_channel_unref(target);
}
return res;
}
/*!
* \brief Pickup a call
* \param chan channel that initiated pickup.
*
* Walk list of channels, checking it is not itself, channel is pbx one,
* check that the callgroup for both channels are the same and the channel is ringing.
* Answer calling channel, flag channel as answered on queue, masq channels together.
*/
int ast_pickup_call(struct ast_channel *chan)
{
struct ast_channel *target;/*!< Potential pickup target */
int res = -1;
RAII_VAR(struct ast_features_pickup_config *, pickup_cfg, NULL, ao2_cleanup);
const char *pickup_sound;
const char *fail_sound;
ast_debug(1, "Pickup attempt by %s\n", ast_channel_name(chan));
ast_channel_lock(chan);
pickup_cfg = ast_get_chan_features_pickup_config(chan);
if (!pickup_cfg) {
ast_log(LOG_ERROR, "Unable to retrieve pickup configuration. Unable to play pickup sounds\n");
}
pickup_sound = ast_strdupa(pickup_cfg ? pickup_cfg->pickupsound : "");
fail_sound = ast_strdupa(pickup_cfg ? pickup_cfg->pickupfailsound : "");
ast_channel_unlock(chan);
/* The found channel is already locked. */
target = ast_pickup_find_by_group(chan);
if (target) {
ast_log(LOG_NOTICE, "Pickup %s attempt by %s\n", ast_channel_name(target), ast_channel_name(chan));
res = ast_do_pickup(chan, target);
ast_channel_unlock(target);
if (!res) {
if (!ast_strlen_zero(pickup_sound)) {
pbx_builtin_setvar_helper(target, "BRIDGE_PLAY_SOUND", pickup_sound);
}
} else {
ast_log(LOG_WARNING, "Pickup %s failed by %s\n", ast_channel_name(target), ast_channel_name(chan));
}
target = ast_channel_unref(target);
}
if (res < 0) {
ast_debug(1, "No call pickup possible... for %s\n", ast_channel_name(chan));
if (!ast_strlen_zero(fail_sound)) {
ast_answer(chan);
ast_stream_and_wait(chan, fail_sound, "");
}
}
return res;
}
