From 303982942237d3c7dec81eaccbb8eb5611d4688a Mon Sep 17 00:00:00 2001 From: Liong Sauw Ming Date: Wed, 27 Feb 2013 12:12:59 +0000 Subject: Re #1596: Backported to 1.x git-svn-id: http://svn.pjsip.org/repos/pjproject/branches/1.x@4396 74dad513-b988-da41-8d7b-12977e46ad98 --- pjsip/src/pjsip-ua/sip_inv.c | 28 ++++++++++++++++++---------- 1 file changed, 18 insertions(+), 10 deletions(-) (limited to 'pjsip') diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c index 6f71fa1c..6e4ad195 100644 --- a/pjsip/src/pjsip-ua/sip_inv.c +++ b/pjsip/src/pjsip-ua/sip_inv.c @@ -2854,8 +2854,16 @@ static void inv_respond_incoming_update(pjsip_inv_session *inv, neg_state = pjmedia_sdp_neg_get_state(inv->neg); + /* If UPDATE doesn't contain SDP, just respond with 200/OK. + * This is a valid scenario according to session-timer draft. + */ + if (rdata->msg_info.msg->body == NULL) { + + status = pjsip_dlg_create_response(inv->dlg, rdata, + 200, NULL, &tdata); + } /* Send 491 if we receive UPDATE while we're waiting for an answer */ - if (neg_state == PJMEDIA_SDP_NEG_STATE_LOCAL_OFFER) { + else if (neg_state == PJMEDIA_SDP_NEG_STATE_LOCAL_OFFER) { status = pjsip_dlg_create_response(inv->dlg, rdata, PJSIP_SC_REQUEST_PENDING, NULL, &tdata); @@ -2864,18 +2872,18 @@ static void inv_respond_incoming_update(pjsip_inv_session *inv, * receive UPDATE while we haven't sent answer. */ else if (neg_state == PJMEDIA_SDP_NEG_STATE_REMOTE_OFFER || - neg_state == PJMEDIA_SDP_NEG_STATE_WAIT_NEGO) { - status = pjsip_dlg_create_response(inv->dlg, rdata, + neg_state == PJMEDIA_SDP_NEG_STATE_WAIT_NEGO) + { + pjsip_retry_after_hdr *ra_hdr; + int val; + + status = pjsip_dlg_create_response(inv->dlg, rdata, PJSIP_SC_INTERNAL_SERVER_ERROR, NULL, &tdata); - /* If UPDATE doesn't contain SDP, just respond with 200/OK. - * This is a valid scenario according to session-timer draft. - */ - } else if (rdata->msg_info.msg->body == NULL) { - - status = pjsip_dlg_create_response(inv->dlg, rdata, - 200, NULL, &tdata); + val = (pj_rand() % 10); + ra_hdr = pjsip_retry_after_hdr_create(tdata->pool, val); + pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)ra_hdr); } else { /* We receive new offer from remote */ -- cgit v1.2.3