diff options
Diffstat (limited to 'pjsip/src/pjsip-ua/sip_inv.c')
| -rw-r--r-- | pjsip/src/pjsip-ua/sip_inv.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/pjsip/src/pjsip-ua/sip_inv.c b/pjsip/src/pjsip-ua/sip_inv.c index 8c2c92d0..a36cfed4 100644 --- a/pjsip/src/pjsip-ua/sip_inv.c +++ b/pjsip/src/pjsip-ua/sip_inv.c @@ -212,7 +212,16 @@ void inv_set_state(pjsip_inv_session *inv, pjsip_inv_state state, * otherwise disconnect the session. */ if (state == PJSIP_INV_STATE_CONFIRMED) { - if (pjmedia_sdp_neg_get_state(inv->neg)!=PJMEDIA_SDP_NEG_STATE_DONE) { + struct tsx_inv_data *tsx_inv_data = NULL; + + if (inv->invite_tsx) { + tsx_inv_data = (struct tsx_inv_data*) + inv->invite_tsx->mod_data[mod_inv.mod.id]; + } + + if (pjmedia_sdp_neg_get_state(inv->neg)!=PJMEDIA_SDP_NEG_STATE_DONE && + (tsx_inv_data && !tsx_inv_data->sdp_done) ) + { pjsip_tx_data *bye; PJ_LOG(4,(inv->obj_name, "SDP offer/answer incomplete, ending the " @@ -3954,6 +3963,32 @@ static void inv_on_state_connecting( pjsip_inv_session *inv, pjsip_event *e) } else if (tsx->role == PJSIP_ROLE_UAS && tsx->state == PJSIP_TSX_STATE_TRYING && + pjsip_method_cmp(&tsx->method, &pjsip_invite_method)==0) + { + pjsip_rx_data *rdata = e->body.tsx_state.src.rdata; + pjsip_tx_data *tdata; + pj_status_t status; + + /* See https://trac.pjsip.org/repos/ticket/1455 + * Handle incoming re-INVITE before current INVITE is confirmed. + * According to RFC 5407: + * - answer with 200 if we don't have pending offer-answer + * - answer with 491 if we *have* pending offer-answer + * + * But unfortunately accepting the re-INVITE would mean we have + * two outstanding INVITEs, and we don't support that because + * we will get confused when we handle the ACK. + */ + 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); + + } else if (tsx->role == PJSIP_ROLE_UAS && + tsx->state == PJSIP_TSX_STATE_TRYING && pjsip_method_cmp(&tsx->method, &pjsip_update_method)==0) { /* @@ -3986,6 +4021,7 @@ static void inv_on_state_connecting( pjsip_inv_session *inv, pjsip_event *e) /* Generic handling for UAC tsx completion */ handle_uac_tsx_response(inv, e); + } } |