void coap_check_timeouts(coap_endpoint_mgr_t * p_endpoint_mgr, int i)
{
struct queue_hdr_t *p = NULL, *next = NULL;
coap_endpoint_t * p_endpoint = coap_get_endpoint(p_endpoint_mgr, i);
if (NULL == p_endpoint)
{
return;
}
for (p = p_endpoint->m_send_queue.next; p != &p_endpoint->m_send_queue; p = next)
{
coap_pkt_t * p_pkt = queue_entry(p, coap_pkt_t, node);
next = p->next;
if (p_pkt->last_transmit_time + p_pkt->retransmit_interval < p_endpoint_mgr->m_endpoint_mgr_time_cache)
{
if (p_pkt->retransmit_count < COAP_MAX_RETRANSMIT)
{
coap_log_debug_packet((char *)p_pkt);
sendto(p_endpoint->m_servsock, (const char *)&p_pkt->hdr, p_pkt->packet_length, 0, (struct sockaddr *)&p_endpoint->m_servaddr, sizeof(p_endpoint->m_servaddr));
p_pkt->last_transmit_time = coap_get_milliseconds();
p_pkt->retransmit_interval <<= 1;
p_pkt->retransmit_count++;
}
else
{
coap_free_endpoint(p_endpoint_mgr, i);
coap_set_endpoint(p_endpoint_mgr, i, NULL);
break;
}
}
}
return;
}
coap_endpoint_t *
coap_new_endpoint(const coap_address_t *addr, int flags) {
struct coap_endpoint_t *ep = coap_malloc_contiki_endpoint();
if (ep) {
memset(ep, 0, sizeof(struct coap_endpoint_t));
ep->handle.conn = udp_new(NULL, 0, NULL);
if (!ep->handle.conn) {
coap_free_endpoint(ep);
return NULL;
}
coap_address_init(&ep->addr);
uip_ipaddr_copy(&ep->addr.addr, &addr->addr);
ep->addr.port = addr->port;
udp_bind((struct uip_udp_conn *)ep->handle.conn, addr->port);
}
return ep;
}