void ast_channel_callid_set(struct ast_channel *chan, struct ast_callid *callid)
{
char call_identifier_from[AST_CALLID_BUFFER_LENGTH];
char call_identifier_to[AST_CALLID_BUFFER_LENGTH];
call_identifier_from[0] = '\0';
ast_callid_strnprint(call_identifier_to, sizeof(call_identifier_to), callid);
if (chan->callid) {
ast_callid_strnprint(call_identifier_from, sizeof(call_identifier_from), chan->callid);
ast_debug(3, "Channel Call ID changing from %s to %s\n", call_identifier_from, call_identifier_to);
/* unbind if already set */
ast_callid_unref(chan->callid);
}
chan->callid = ast_callid_ref(callid);
ast_test_suite_event_notify("CallIDChange",
"State: CallIDChange\r\n"
"Channel: %s\r\n"
"CallID: %s\r\n"
"PriorCallID: %s",
ast_channel_name(chan),
call_identifier_to,
call_identifier_from);
ast_channel_publish_snapshot(chan);
}
struct ast_callid *ast_channel_callid(const struct ast_channel *chan)
{
if (chan->callid) {
ast_callid_ref(chan->callid);
return chan->callid;
}
return NULL;
}
int ast_unreal_channel_push_to_bridge(struct ast_channel *ast, struct ast_bridge *bridge, unsigned int flags)
{
struct ast_bridge_features *features;
struct ast_channel *chan;
struct ast_channel *owner;
RAII_VAR(struct ast_unreal_pvt *, p, NULL, ao2_cleanup);
RAII_VAR(struct ast_callid *, bridge_callid, NULL, ast_callid_cleanup);
ast_bridge_lock(bridge);
bridge_callid = bridge->callid ? ast_callid_ref(bridge->callid) : NULL;
ast_bridge_unlock(bridge);
{
SCOPED_CHANNELLOCK(lock, ast);
p = ast_channel_tech_pvt(ast);
if (!p) {
return -1;
}
ao2_ref(p, +1);
}
{
SCOPED_AO2LOCK(lock, p);
chan = p->chan;
if (!chan) {
return -1;
}
owner = p->owner;
if (!owner) {
return -1;
}
ast_channel_ref(chan);
ast_channel_ref(owner);
}
if (bridge_callid) {
struct ast_callid *chan_callid;
struct ast_callid *owner_callid;
/* chan side call ID setting */
ast_channel_lock(chan);
chan_callid = ast_channel_callid(chan);
if (!chan_callid) {
ast_channel_callid_set(chan, bridge_callid);
}
ast_channel_unlock(chan);
ast_callid_cleanup(chan_callid);
/* owner side call ID setting */
ast_channel_lock(owner);
owner_callid = ast_channel_callid(owner);
if (!owner_callid) {
ast_channel_callid_set(owner, bridge_callid);
}
ast_channel_unlock(owner);
ast_callid_cleanup(owner_callid);
}
/* We are done with the owner now that its call ID matches the bridge */
ast_channel_unref(owner);
owner = NULL;
features = ast_bridge_features_new();
if (!features) {
ast_channel_unref(chan);
return -1;
}
ast_set_flag(&features->feature_flags, flags);
/* Impart the semi2 channel into the bridge */
if (ast_bridge_impart(bridge, chan, NULL, features,
AST_BRIDGE_IMPART_CHAN_INDEPENDENT)) {
ast_bridge_features_destroy(features);
ast_channel_unref(chan);
return -1;
}
ao2_lock(p);
ast_set_flag(p, AST_UNREAL_CARETAKER_THREAD);
ao2_unlock(p);
ast_channel_unref(chan);
return 0;
}