[Freeswitch-dev] Howto stop or cancel a bridge

[Michael Jerris]

uuid_transfer

On Jul 21, 2010, at 3:44 AM, Achim Stamm wrote:

> Hello!
> 
> I have following problem:
> 
> I have bridged my current session to "user/1012 at 192.168.1.30" with 
> timeout of 60 seconds.
> The call of bridge runs in a thread using modificated bgapi.
> The phone 1012 rings and i play a sound file to another phone with 
> number 1010.
> Phone with 1010 wants to have the call.
> I want to stop or cancel the bridge to phone 1012 without hanging up my 
> current session.
> Is there a core command to stop/cancel a bridge (like sending a message 
> "Cancel bridge" or something else) ?
> With this stop/cancel a bridge command the phone 1012 should stop 
> ringing, but my originator session should not
> hang up (see snippet of my DoingBridge -> @ToDo Cancel or Stop Bridge: 
> ???????).
> 
> Here is a snippet of my Dialplan:
> -----------------------------------------------------
> <extension name="Externer-Anrufer">
>      <condition field="destination_number" expression="^70$">
>         <action application="info"/>
>        <action application="set" data="hangup_after_bridge=false"/>
>        <action application="set" data="ignore_early_media=true"/>
>         <action application="myapplication" data="DoingBridge"/>
>      </condition>
>    </extension>
> ------------------------------------------------------
> 
> Here is a snippet of my DoingBridge from myapplication:
> 
> -------------------------------------------
> static switch_status_t DoingBridge(switch_core_session_t *session, 
> switch_input_args_t *args)
> {
>    switch_codec_t codec = { 0 };
>    switch_status_t status;
>    switch_frame_t *read_frame;
>    switch_channel_t *channel = switch_core_session_get_channel(session);
>    switch_core_session_t * PartnerSession = NULL;
>    switch_core_session_t *sessionNebenstelle = NULL;
>    switch_channel_t *channelNebenstelle = NULL;
>    switch_stream_handle_t dstream = { 0 };
>    switch_stream_handle_t astream = { 0 };
> 
>    if (switch_channel_pre_answer(channel) != SWITCH_STATUS_SUCCESS) {
>        return SWITCH_STATUS_FALSE;
>    }
> 
> 
>    // Bridge to phone in a thread:       
>    SWITCH_STANDARD_STREAM(dstream);
>    mybg_bridge("user/1012 at 192.168.1.30" ,60, session, &dstream);
> 
> 
>    bool bNebenStelleAntwortet = 
> switch_channel_test_flag(channel,CF_ANSWERED);
>    const char * NebenStelle_uuid = NULL;
> 
>    while (! phone1010WantsCall && !BridgeAnsweredBy1012)
>    {
>        // PlayAudio File:
> 
>        switch_channel_state_t aktStatus = 
> switch_channel_get_state(channel);
> 
>        NebenStelle_uuid = switch_channel_get_variable_partner(channel , 
> "signal_bond");
>        bNebenStelleAntwortet = 
> switch_channel_test_flag(channel,CF_ANSWERED);
>        if (NebenStelle_uuid && !sessionNebenstelle)
>        {
>            sessionNebenstelle = 
> switch_core_session_locate(NebenStelle_uuid);
>            if (sessionNebenstelle)
>            {
>                channelNebenstelle = 
> switch_core_session_get_channel(sessionNebenstelle);
>            }
>        }
>        PlayAudioFile("1010");
>    }
>    // Stop Playing:
>    StopPlayingAudioFile(session);
> 
>    if (switch_channel_ready(channel))
>    {
>        // sessionNebenstelle is 1012
>        if (sessionNebenstelle)
>        {
>            // @ToDo Cancel or Stop Bridge:
>            // ?????????????????????????????????????????????
>            answerSession(session);
>        }
> 
>    }       
>    ....
>    }
> ---------------------------------------------------
> 
> regards
> 
> Achim Stamm
> 
> -- 
> Achim Stamm, Dipl.-Inform. (FH)
> 
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