static int w_dlg_bye(struct sip_msg *msg, char *side, char *s2)
{
dlg_cell_t *dlg = NULL;
int n;
dlg = dlg_get_ctx_dialog();
if(dlg==NULL)
return -1;
n = (int)(long)side;
if(n==1)
{
if(dlg_bye(dlg, NULL, DLG_CALLER_LEG)!=0)
goto error;
goto done;
} else if(n==2) {
if(dlg_bye(dlg, NULL, DLG_CALLEE_LEG)!=0)
goto error;
goto done;
} else {
if(dlg_bye_all(dlg, NULL)!=0)
goto error;
goto done;
}
done:
dlg_release(dlg);
return 1;
error:
dlg_release(dlg);
return -1;
}
/* side =
* 0: caller
* 1: callee
* 2: all
*/
int dlg_terminate(struct dlg_cell *dlg, struct sip_msg *msg, str *reason, int side, str *extra_hdrs) {
struct cell* t;
str default_reason = {"call failed", 11};
int cfg_cmd = 0;
str default_extra_headers = {0,0};
if (!dlg) {
LM_ERR("calling end_dialog with NULL pointer dlg\n");
return -1;
}
if (!extra_hdrs)
extra_hdrs = &default_extra_headers;
if (msg) {
//assume called from cfg command -> dlg_terminate, as opposed to internal API or mi interface
cfg_cmd = 1;
}
if (!reason || reason->len <= 0 || !reason->s) {
reason = &default_reason;
}
if (dlg->state != DLG_STATE_CONFIRMED) {
if (side != 2) {
LM_ERR("can't terminate only 1 side of an early dialog\n");
return -1;
}
if (dlg->transaction) {
LM_DBG("terminating early dialog with %d outbound forks\n",
dlg->transaction->nr_of_outgoings);
t = dlg->transaction;
if (t && t!=(void*) -1 && t->uas.request) {
if (t->method.len!=6 || t->method.s[0]!='I' || t->method.s[1]!='N' || t->method.s[2]!='V')
{
//well this is the transaction of a subsequent request within the dialog
//and the dialog is not confirmed yet, so its a PRACK or an UPDATE
//could also be an options, but the important thing is how am i going to get
//the transaction of the invite, that is the one i have to cancel
LM_WARN("this is not my transaction so where am i?\n");
return 1; //TODO - need to check why we got in here once before? this crashed on t_reply as t seemed invalid
}
//TODO: here we are assuming none of the CALLEE's have sent a 200, in
//which case we would have to send an ACK, BYE
//so right now - we are sending 488 to caller and CANCEL's to all CALLEEs
LM_DBG("tearing down dialog in EARLY state - no clients responded > 199\n");
if (cfg_cmd) {
d_tmb.t_reply(msg,488,reason->s);
d_tmb.t_release(msg);
} else {
d_tmb.t_reply(t->uas.request,488,reason->s);
d_tmb.t_release(t->uas.request);
}
}
} else {
LM_WARN("can't terminate early dialog without a transaction\n");
return -1;
}
} else {
LM_DBG("terminating confirmed dialog\n");
if (side == DLG_CALLER_LEG /* 0 */ || side == DLG_CALLEE_LEG /* 1 */) {
if (dlg_bye(dlg, (extra_hdrs->len > 0) ? extra_hdrs : NULL, side) < 0)
return -1;
} else {
if (dlg_bye_all(dlg, (extra_hdrs->len > 0) ? extra_hdrs : NULL) < 0)
return -1;
}
}
return 1;
}