void eXosip_retransmit_lost200ok() { eXosip_call_t *jc; eXosip_dialog_t *jd; time_t now; now = time (NULL); for (jc = eXosip.j_calls; jc != NULL; jc = jc->next) { if (jc->c_id >= 1 && jc->c_dialogs != NULL) { for (jd = jc->c_dialogs; jd != NULL; jd = jd->next) { if (jd->d_id >=1 && jd->d_dialog != NULL && jd->d_200Ok!=NULL) { if (jd->d_count==5) { OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: no ACK received during 20s: dropping call\n")); /* hard for users to detect than I sent this BYE... */ jd->d_count=0; osip_message_free(jd->d_200Ok); jd->d_200Ok=NULL; eXosip_call_terminate(jc->c_id, jd->d_id); } else if (jd->d_timer<now) { /* a dialog exist: retransmit lost 200ok */ jd->d_timer = time (NULL) + 4; jd->d_count++; jd = jc->c_dialogs; /* TU retransmission */ cb_snd_message (NULL, jd->d_200Ok, NULL,0, -1); } } } } } return; }
int eXosip_call_send_ack (int did, osip_message_t * ack) { eXosip_dialog_t *jd = NULL; eXosip_call_t *jc = NULL; int i; osip_route_t *route; char *host; int port; if (did <= 0) return OSIP_BADPARAMETER; if (did > 0) { eXosip_call_dialog_find (did, &jc, &jd); } if (jc == NULL || jd == NULL) { OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL, "eXosip: No call here?\n")); if (ack != NULL) osip_message_free (ack); return OSIP_NOTFOUND; } if (ack == NULL) { i = eXosip_call_build_ack (did, &ack); if (i != 0) { return i; } } osip_message_get_route (ack, 0, &route); if (route != NULL) { osip_uri_param_t *lr_param = NULL; osip_uri_uparam_get_byname (route->url, "lr", &lr_param); if (lr_param == NULL) route = NULL; } if (route != NULL) { port = 5060; if (route->url->port != NULL) port = osip_atoi (route->url->port); host = route->url->host; } else { /* search for maddr parameter */ osip_uri_param_t *maddr_param = NULL; osip_uri_uparam_get_byname (ack->req_uri, "maddr", &maddr_param); host = NULL; if (maddr_param != NULL && maddr_param->gvalue != NULL) host = maddr_param->gvalue; port = 5060; if (ack->req_uri->port != NULL) port = osip_atoi (ack->req_uri->port); if (host == NULL) host = ack->req_uri->host; } i = cb_snd_message (NULL, ack, host, port, -1); if (jd->d_ack != NULL) osip_message_free (jd->d_ack); jd->d_ack = ack; if (i < 0) return i; /* TODO: could be 1 for icmp... */ return OSIP_SUCCESS; }