Add HANGUPCAUSE hash implementation for DAHDI MFC/R2 subtech
authorKinsey Moore <kmoore@digium.com>
Fri, 22 Jun 2012 15:57:02 +0000 (15:57 +0000)
committerKinsey Moore <kmoore@digium.com>
Fri, 22 Jun 2012 15:57:02 +0000 (15:57 +0000)
This adds a minimal implementation of the "Who Hung Up?" Asterisk 11
work to chan_dahdi.c for the MFC/R2 DAHDI subtech.  Given the way that
OpenR2 interfaces with chan_dahdi, it is much harder to expose the
type of protocol information that is available in PRI, SS7, or other
channel technologies.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@369190 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_dahdi.c

index d90662b..195c337 100644 (file)
@@ -4125,6 +4125,10 @@ static int dahdi_r2_cause_to_ast_cause(openr2_call_disconnect_cause_t cause)
 static void dahdi_r2_on_call_disconnect(openr2_chan_t *r2chan, openr2_call_disconnect_cause_t cause)
 {
        struct dahdi_pvt *p = openr2_chan_get_client_data(r2chan);
+       char cause_str[20];
+       struct ast_control_pvt_cause_code *cause_code;
+       int datalen = sizeof(*cause_code);
+
        ast_verbose("MFC/R2 call disconnected on channel %d\n", openr2_chan_get_number(r2chan));
        ast_mutex_lock(&p->lock);
        if (!p->owner) {
@@ -4133,6 +4137,14 @@ static void dahdi_r2_on_call_disconnect(openr2_chan_t *r2chan, openr2_call_disco
                dahdi_r2_disconnect_call(p, OR2_CAUSE_NORMAL_CLEARING);
                return;
        }
+
+       snprintf(cause_str, sizeof(cause_str), "R2 DISCONNECT (%d)", dahdi_r2_cause_to_ast_cause(cause));
+       datalen += strlen(cause_str);
+       cause_code = alloca(datalen);
+       ast_copy_string(cause_code->chan_name, ast_channel_name(chan), AST_CHANNEL_NAME);
+       ast_copy_string(cause_code->code, cause_str, datalen + 1 - sizeof(*cause_code));
+       ast_queue_control_data(chan, AST_CONTROL_PVT_CAUSE_CODE, cause_code, datalen);
+
        /* when we have an owner we don't call dahdi_r2_disconnect_call here, that will
           be done in dahdi_hangup */
        if (ast_channel_state(p->owner) == AST_STATE_UP) {