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authorBenny Prijono <bennylp@teluu.com>2010-12-02 10:08:59 +0000
committerBenny Prijono <bennylp@teluu.com>2010-12-02 10:08:59 +0000
commit85f8babfe9b362e0ba948980ca1ca51c0e2458a4 (patch)
tree5f1fa351270a608abf6d48b4dbc2ed4e9fecd334
parentab91191ef015d89ca793f34187d5560d314bd1f2 (diff)
Fixed #1166: Detection of offer/answer glare condition with re-INVITE
git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@3381 74dad513-b988-da41-8d7b-12977e46ad98
-rw-r--r--pjsip/src/pjsip-ua/sip_inv.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c
index b7130a6c..aebd3353 100644
--- a/pjsip/src/pjsip-ua/sip_inv.c
+++ b/pjsip/src/pjsip-ua/sip_inv.c
@@ -3942,6 +3942,22 @@ static void inv_on_state_confirmed( pjsip_inv_session *inv, pjsip_event *e)
return;
}
+ /* Send 491 if we receive re-INVITE while another offer/answer
+ * negotiation is in progress
+ */
+ if (pjmedia_sdp_neg_get_state(inv->neg) !=
+ PJMEDIA_SDP_NEG_STATE_DONE)
+ {
+ status = pjsip_dlg_create_response(inv->dlg, rdata,
+ PJSIP_SC_REQUEST_PENDING,
+ NULL, &tdata);
+ if (status != PJ_SUCCESS)
+ return;
+ pjsip_timer_update_resp(inv, tdata);
+ status = pjsip_dlg_send_response(dlg, tsx, tdata);
+ return;
+ }
+
/* Process SDP in incoming message. */
status = inv_check_sdp_in_incoming_msg(inv, tsx, rdata);