void t_phone_user::timeout(t_phone_timer timer) {
switch (timer) {
case PTMR_REGISTRATION:
id_registration = 0;
// Registration expired. Re-register.
if (is_registered || last_reg_failed) {
// Re-register if no register is pending
if (!r_register) {
registration(REG_REGISTER, true, registration_time);
}
}
break;
case PTMR_NAT_KEEPALIVE:
id_nat_keepalive = 0;
// Send a new NAT keepalive packet
if (use_nat_keepalive) {
send_nat_keepalive();
phone->start_timer(PTMR_NAT_KEEPALIVE, this);
}
break;
case PTMR_TCP_PING:
id_tcp_ping = 0;
// Send a TCP ping;
if (user_config->get_persistent_tcp()) {
send_tcp_ping();
phone->start_timer(PTMR_TCP_PING, this);
}
break;
default:
assert(false);
}
}
void t_phone_user::sync_nat_keepalive(void) {
if (user_config->get_enable_nat_keepalive() && !id_nat_keepalive) {
send_nat_keepalive();
phone->start_timer(PTMR_NAT_KEEPALIVE, this);
}
}
void *sender_loop(void *arg) {
t_event *event;
t_event_network *ev_network;
unsigned long local_ipaddr;
bool quit = false;
while (!quit) {
event = evq_sender->pop();
switch(event->get_type()) {
case EV_NETWORK:
ev_network = dynamic_cast<t_event_network *>(event);
local_ipaddr = get_src_ip4_address_for_dst(ev_network->dst_addr);
if (local_ipaddr == 0) {
log_file->write_header("::sender_loop", LOG_NORMAL, LOG_CRITICAL);
log_file->write_raw("Cannot get source IP address for destination: ");
log_file->write_raw(h_ip2str(ev_network->dst_addr));
log_file->write_endl();
log_file->write_footer();
evq_trans_mgr->push_failure(FAIL_TRANSPORT,
ev_network->get_msg()->hdr_via.via_list.front().branch,
ev_network->get_msg()->hdr_cseq.method);
break;
}
if (!ev_network->get_msg()->local_ip_check()) {
log_file->write_report("Local IP check failed",
"::sender_loop", LOG_NORMAL, LOG_CRITICAL);
break;
}
if (ev_network->transport == "udp") {
send_sip_udp(event);
} else if (ev_network->transport == "tcp") {
send_sip_tcp(event);
} else {
log_file->write_header("::sender_loop", LOG_NORMAL, LOG_WARNING);
log_file->write_raw("Received unsupported transport: ");
log_file->write_raw(ev_network->transport);
log_file->write_endl();
log_file->write_footer();
}
break;
case EV_STUN_REQUEST:
send_stun(event);
break;
case EV_NAT_KEEPALIVE:
send_nat_keepalive(event);
break;
case EV_TCP_PING:
send_tcp_ping(event);
break;
case EV_QUIT:
quit = true;
break;
default:
assert(false);
}
MEMMAN_DELETE(event);
delete event;
}
return NULL;
}
