[asterisk-bugs] [JIRA] (ASTERISK-22045) Handle DTMF wrap up operations and Hold wrap up operations when a channel is pulled from the bridge

Matt Jordan (JIRA) noreply at issues.asterisk.org
Sun Jul 7 21:41:04 CDT 2013


Matt Jordan created ASTERISK-22045:
--------------------------------------

             Summary: Handle DTMF wrap up operations and Hold wrap up operations when a channel is pulled from the bridge
                 Key: ASTERISK-22045
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22045
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/Bridging
    Affects Versions: 12
            Reporter: Matt Jordan
      Target Release: 12


If a channel is pulled from the bridge and a DTMF digit is currently being played on it, or if it currently in a Hold state, we need to end the DTMF digit and take the channel of hold, respectively.

This addresses the BUGBUG in bridging.c:

{noformat}
static void bridge_channel_pull(struct ast_bridge_channel *bridge_channel)
{
	struct ast_bridge *bridge = bridge_channel->bridge;

	if (!bridge_channel->in_bridge) {
		return;
	}
	bridge_channel->in_bridge = 0;

	ast_debug(1, "Bridge %s: pulling %p(%s)\n",
		bridge->uniqueid, bridge_channel, ast_channel_name(bridge_channel->chan));

/* BUGBUG This is where incoming HOLD/UNHOLD memory should write UNHOLD into bridge. (if not local optimizing) */
/* BUGBUG This is where incoming DTMF begin/end memory should write DTMF end into bridge. (if not local optimizing) */
	if (!bridge_channel->just_joined) {
		/* Tell the bridge technology we are leaving so they tear us down */
		ast_debug(1, "Bridge %s: %p(%s) is leaving %s technology\n",
			bridge->uniqueid, bridge_channel, ast_channel_name(bridge_channel->chan),
			bridge->technology->name);
		if (bridge->technology->leave) {
			bridge->technology->leave(bridge, bridge_channel);
		}
	}
{noformat}


And here:

{noformat}
	case AST_FRAME_CONTROL:
		switch (frame->subclass.integer) {
		case AST_CONTROL_HANGUP:
			bridge_handle_hangup(bridge_channel);
			ast_frfree(frame);
			return;
/* BUGBUG This is where incoming HOLD/UNHOLD memory should register.  Write UNHOLD into bridge when this channel is pulled. */
		default:
			break;
		}
		break;
	case AST_FRAME_DTMF_BEGIN:
		frame = bridge_handle_dtmf(bridge_channel, frame);
		if (!frame) {
			return;
		}
		/* Fall through */
	case AST_FRAME_DTMF_END:
		if (!bridge_channel->features->dtmf_passthrough) {
			ast_frfree(frame);
			return;
		}
/* BUGBUG This is where incoming DTMF begin/end memory should register.  Write DTMF end into bridge when this channel is pulled. */
{noformat}

And lastly here:

{noformat}
/* BUGBUG This is where outgoing HOLD/UNHOLD memory should write UNHOLD to channel. */
	/* Complete any partial DTMF digit before exiting the bridge. */
	if (ast_channel_sending_dtmf_digit(bridge_channel->chan)) {
		ast_bridge_end_dtmf(bridge_channel->chan,
			ast_channel_sending_dtmf_digit(bridge_channel->chan),
			ast_channel_sending_dtmf_tv(bridge_channel->chan), "bridge end");
	}
{noformat}

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