void send_coap_post(uint8_t *data, size_t len)
{
uint8_t snd_buf[512];
size_t req_pkt_sz;
coap_buffer_t payload = {
.p = data,
.len = len
};
coap_packet_t req_pkt = {
.header = req_hdr,
.token = (coap_buffer_t) { 0 },
.numopts = 1,
.opts = {{{(uint8_t *)"senml", 5}, (uint8_t)COAP_OPTION_URI_PATH}},
.payload = payload
};
req_pkt_sz = sizeof(req_pkt);
if (coap_build(snd_buf, &req_pkt_sz, &req_pkt) != 0) {
printf("CoAP build failed :(\n");
return;
}
conn_udp_sendto(snd_buf, req_pkt_sz, NULL, 0, &dst_addr, sizeof(dst_addr),
AF_INET6, SPORT, UDP_PORT);
}
int udp_send(int argc, char **argv)
{
if (argc != 4) {
puts("Usage: udp <ipv6-addr> <port> <payload>");
return -1;
}
int res;
ipv6_addr_t src = IPV6_ADDR_UNSPECIFIED, dst;
if (ipv6_addr_from_str(&dst, argv[1]) == NULL) {
puts("Error: unable to parse destination address");
return 1;
}
if((res = conn_udp_sendto(argv[3], strlen(argv[3]), &src, sizeof(src), &dst, sizeof(dst),
AF_INET6, 1234, (uint16_t) (atoi(argv[2])))) < 0) {
puts("could not send");
}
else {
//printf("Success: send %u byte to %s\n", (unsigned) res, argv[1]);
if (gnrc_rpl_instances[0].state && gnrc_rpl_instances[0].dodag.node_status != GNRC_RPL_ROOT_NODE) {
if (acked) {
time = xtimer_now64();
acked = false;
}
}
}
return 0;
}
void *microcoap_server(void *arg)
{
(void) arg;
msg_init_queue(_coap_msg_q, Q_SZ);
uint8_t laddr[16] = { 0 };
uint8_t raddr[16] = { 0 };
size_t raddr_len;
uint16_t rport;
conn_udp_t conn;
int rc = conn_udp_create(&conn, laddr, sizeof(laddr), AF_INET6, COAP_SERVER_PORT);
while (1) {
if ((rc = conn_udp_recvfrom(&conn, (char *)udp_buf, sizeof(udp_buf),
raddr, &raddr_len, &rport)) < 0) {
continue;
}
coap_packet_t pkt;
/* parse UDP packet to CoAP */
if (0 == (rc = coap_parse(&pkt, udp_buf, rc))) {
coap_packet_t rsppkt;
/* handle CoAP request */
coap_handle_req(&scratch_buf, &pkt, &rsppkt, false, false);
/* build reply */
size_t rsplen = sizeof(udp_buf);
if ((rc = coap_build(udp_buf, &rsplen, &rsppkt)) == 0) {
/* send reply via UDP */
rc = conn_udp_sendto(udp_buf, rsplen, NULL, 0, raddr, raddr_len,
AF_INET6, COAP_SERVER_PORT, rport);
}
}
}
/* never reached */
return NULL;
}
int udp_send(int argc, char **argv)
{
if (argc != 4) {
puts("Usage: udp <ipv6-addr> <port> <payload>");
return -1;
}
int res;
ipv6_addr_t src = IPV6_ADDR_UNSPECIFIED, dst;
if (ipv6_addr_from_str(&dst, argv[1]) == NULL) {
puts("Error: unable to parse destination address");
return 1;
}
if((res = conn_udp_sendto(argv[3], strlen(argv[3]), &src, sizeof(src), &dst, sizeof(dst),
AF_INET6, 1234, (uint16_t) (atoi(argv[2])))) < 0) {
puts("could not send");
}
else {
printf("Success: send %u byte to %s\n", (unsigned) res, argv[1]);
}
return 0;
}
