bridge_simple.c: Unhold channels on join simple bridge.

Patch provided inline by Yury Kirsanov on the linked issue and
approved by Josh Colp.

ASTERISK-29253 #close

Change-Id: I5b9ccc67ebf06e875ed061d9e7fc21f47b0a4e1f
This commit is contained in:
Yury Kirsanov 2022-04-21 10:10:40 -04:00 committed by Friendly Automation
parent 9ec47a5fa8
commit 069a996bd8
1 changed files with 21 additions and 0 deletions

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@ -128,6 +128,7 @@ static int simple_bridge_join(struct ast_bridge *bridge, struct ast_bridge_chann
struct ast_stream_topology *new_top;
struct ast_channel *c0 = AST_LIST_FIRST(&bridge->channels)->chan;
struct ast_channel *c1 = AST_LIST_LAST(&bridge->channels)->chan;
int unhold_c0, unhold_c1;
/*
* If this is the first channel we can't make it compatible...
@ -152,9 +153,29 @@ static int simple_bridge_join(struct ast_bridge *bridge, struct ast_bridge_chann
SWAP(c0, c1);
}
new_top = simple_bridge_request_stream_topology_update(existing_top, req_top);
/* The ast_channel_hold_state() and ast_channel_name() accessors need to be
* called with the associated channel lock held.
*/
if ((unhold_c1 = ast_channel_hold_state(c1) == AST_CONTROL_HOLD)) {
ast_debug(1, "Channel %s simulating UNHOLD for bridge simple join.\n", ast_channel_name(c1));
}
if ((unhold_c0 = ast_channel_hold_state(c0) == AST_CONTROL_HOLD)) {
ast_debug(1, "Channel %s simulating UNHOLD for bridge simple join.\n", ast_channel_name(c0));
}
ast_channel_unlock(c0);
ast_channel_unlock(c1);
if (unhold_c1) {
ast_indicate(c1, AST_CONTROL_UNHOLD);
}
if (unhold_c0) {
ast_indicate(c0, AST_CONTROL_UNHOLD);
}
if (!new_top) {
/* Failure. We'll just have to live with the current topology. */
return 0;