wifi-tally_Oostendam/nodemcu-firmware/app/coap/coap_server.c
Eljakim Herrewijnen 50b5fc1824 Initial commit
2021-09-27 21:52:27 +02:00

62 lines
1.3 KiB
C

#include "user_config.h"
#include <stdint.h>
#include <stddef.h>
#include <stdlib.h>
#include "coap.h"
size_t coap_server_respond(char *req, unsigned short reqlen, char *rsp, unsigned short rsplen)
{
NODE_DBG("coap_server_respond is called.\n");
size_t rlen = rsplen;
coap_packet_t pkt;
pkt.content.p = NULL;
pkt.content.len = 0;
uint8_t scratch_raw[4];
coap_rw_buffer_t scratch_buf = {scratch_raw, sizeof(scratch_raw)};
int rc;
#ifdef COAP_DEBUG
NODE_DBG("Received: ");
coap_dump(req, reqlen, true);
NODE_DBG("\n");
#endif
if (0 != (rc = coap_parse(&pkt, req, reqlen))){
NODE_DBG("Bad packet rc=%d\n", rc);
return 0;
}
else
{
coap_packet_t rsppkt;
rsppkt.content.p = NULL;
rsppkt.content.len = 0;
#ifdef COAP_DEBUG
coap_dumpPacket(&pkt);
#endif
coap_handle_req(&scratch_buf, &pkt, &rsppkt);
if (0 != (rc = coap_build(rsp, &rlen, &rsppkt))){
NODE_DBG("coap_build failed rc=%d\n", rc);
// return 0;
rlen = 0;
}
else
{
#ifdef COAP_DEBUG
NODE_DBG("Responding: ");
coap_dump(rsp, rlen, true);
NODE_DBG("\n");
#endif
#ifdef COAP_DEBUG
coap_dumpPacket(&rsppkt);
#endif
}
if(rsppkt.content.p){
free(rsppkt.content.p);
rsppkt.content.p = NULL;
rsppkt.content.len = 0;
}
return rlen;
}
}