summaryrefslogtreecommitdiff
path: root/res/res_pjsip
diff options
context:
space:
mode:
Diffstat (limited to 'res/res_pjsip')
-rw-r--r--res/res_pjsip/pjsip_distributor.c27
1 files changed, 20 insertions, 7 deletions
diff --git a/res/res_pjsip/pjsip_distributor.c b/res/res_pjsip/pjsip_distributor.c
index d902ed456..2ab954eb0 100644
--- a/res/res_pjsip/pjsip_distributor.c
+++ b/res/res_pjsip/pjsip_distributor.c
@@ -231,20 +231,33 @@ static pjsip_dialog *find_dialog(pjsip_rx_data *rdata)
if (rdata->msg_info.msg->type == PJSIP_RESPONSE_MSG ||
pjsip_method_cmp(&rdata->msg_info.msg->line.req.method, &pjsip_cancel_method) ||
rdata->msg_info.to->tag.slen != 0) {
- return pjsip_ua_find_dialog(&rdata->msg_info.cid->id, local_tag,
+ dlg = pjsip_ua_find_dialog(&rdata->msg_info.cid->id, local_tag,
remote_tag, PJ_TRUE);
+ if (dlg) {
+ return dlg;
+ }
}
- /* Incoming CANCEL without a to-tag can't use same method for finding the
- * dialog. Instead, we have to find the matching INVITE transaction and
- * then get the dialog from the transaction
+ /*
+ * There may still be a matching dialog if this is
+ * 1) an incoming CANCEL request without a to-tag
+ * 2) an incoming response to a dialog-creating request.
*/
- pjsip_tsx_create_key(rdata->tp_info.pool, &tsx_key, PJSIP_ROLE_UAS,
- pjsip_get_invite_method(), rdata);
+ if (rdata->msg_info.msg->type == PJSIP_REQUEST_MSG) {
+ /* CANCEL requests will need to match the INVITE we initially received. Any
+ * other request type will either have been matched already or is not in
+ * dialog
+ */
+ pjsip_tsx_create_key(rdata->tp_info.pool, &tsx_key, PJSIP_ROLE_UAS,
+ pjsip_get_invite_method(), rdata);
+ } else {
+ pjsip_tsx_create_key(rdata->tp_info.pool, &tsx_key, PJSIP_ROLE_UAC,
+ &rdata->msg_info.cseq->method, rdata);
+ }
tsx = pjsip_tsx_layer_find_tsx(&tsx_key, PJ_TRUE);
if (!tsx) {
- ast_log(LOG_ERROR, "Could not find matching INVITE transaction for CANCEL request\n");
+ ast_debug(3, "Could not find matching transaction for %s\n", rdata->msg_info.info);
return NULL;
}