528   coap_hash((const unsigned char *)&pdu->hdr->id, sizeof(unsigned short), h);  in coap_transaction_id()
541   if (request && request->hdr->type == COAP_MESSAGE_CON) {  in coap_send_ack()
542     response = coap_pdu_init(COAP_MESSAGE_ACK, 0, request->hdr->id,   in coap_send_ack()
567       COAP_RESPONSE_CLASS(pdu->hdr->code) > 2) {  in coap_send_impl()
572 				    (unsigned char *)pdu->hdr, pdu->length);  in coap_send_impl()
655     response = coap_pdu_init(type, 0, request->hdr->id, sizeof(coap_pdu_t));   in coap_send_message_type()
789 	  node->retransmit_cnt, ntohs(node->pdu->hdr->id));  in coap_retransmit()
805   if (node->pdu->hdr->code >= 64) {  in coap_retransmit()
808     token.length = node->pdu->hdr->token_length;  in coap_retransmit()
809     token.s = node->pdu->hdr->token;  in coap_retransmit()
993 		     context->sendqueue->pdu->hdr->token,   in coap_cancel_all_messages()
994 		     context->sendqueue->pdu->hdr->token_length)) {  in coap_cancel_all_messages()
997     debug("**** removed transaction %d\n", ntohs(q->pdu->hdr->id));  in coap_cancel_all_messages()
1011 		    q->pdu->hdr->token, q->pdu->hdr->token_length)) {  in coap_cancel_all_messages()
1013       debug("**** removed transaction %d\n", ntohs(q->pdu->hdr->id));  in coap_cancel_all_messages()
1036   size_t size = sizeof(coap_hdr_t) + request->hdr->token_length;  in coap_new_error_response()
1052   type = request->hdr->type == COAP_MESSAGE_CON   in coap_new_error_response()
1097   response = coap_pdu_init(type, code, request->hdr->id, size);  in coap_new_error_response()
1100     if (!coap_add_token(response, request->hdr->token_length,   in coap_new_error_response()
1101 			request->hdr->token)) {  in coap_new_error_response()
1158   resp = coap_pdu_init(request->hdr->type == COAP_MESSAGE_CON   in coap_wellknown_response()
1162 		       request->hdr->id, COAP_MAX_PDU_SIZE);  in coap_wellknown_response()
1168   if (!coap_add_token(resp, request->hdr->token_length, request->hdr->token)) {  in coap_wellknown_response()
1180     resp->hdr->code = COAP_RESPONSE_CODE(400);  in coap_wellknown_response()
1181     resp->length = sizeof(coap_hdr_t) + resp->hdr->token_length;  in coap_wellknown_response()
1190       resp->hdr->code = COAP_RESPONSE_CODE(400);  in coap_wellknown_response()
1248   resp->data = (unsigned char *)resp->hdr + resp->length;  in coap_wellknown_response()
1265   resp->hdr->code = COAP_RESPONSE_CODE(503);  in coap_wellknown_response()
1266   resp->length = sizeof(coap_hdr_t) + resp->hdr->token_length;  in coap_wellknown_response()
1290   COAP_SET_STR(&token, sent->pdu->hdr->token_length, sent->pdu->hdr->token);  in coap_cancel()
1347   return (COAP_RESPONSE_CLASS(response->hdr->code) > 0)  in no_response()
1348     && (((1 << (COAP_RESPONSE_CLASS(response->hdr->code) - 1)) & val) > 0);  in no_response()
1352   (((Pdu)->hdr->code == COAP_REQUEST_GET) && is_wkc(Key))
1373     switch(node->pdu->hdr->code) {  in handle_request()
1409   if ((size_t)node->pdu->hdr->code - 1 <  in handle_request()
1411     h = resource->handler[node->pdu->hdr->code - 1];  in handle_request()
1416     response = coap_pdu_init(node->pdu->hdr->type == COAP_MESSAGE_CON   in handle_request()
1419 			     0, node->pdu->hdr->id, COAP_MAX_PDU_SIZE);  in handle_request()
1423     if (coap_add_token(response, node->pdu->hdr->token_length,  in handle_request()
1424 		       node->pdu->hdr->token)) {  in handle_request()
1425       str token = { node->pdu->hdr->token_length, node->pdu->hdr->token };  in handle_request()
1455       if (observe && ((COAP_RESPONSE_CLASS(response->hdr->code) > 2)  in handle_request()
1465       if ((response->hdr->type == COAP_MESSAGE_ACK)  in handle_request()
1466 	  && (response->hdr->code == 0)) {  in handle_request()
1468 	response->hdr->token_length = 0;  in handle_request()
1472       if (response->hdr->type != COAP_MESSAGE_NON ||  in handle_request()
1473 	  (response->hdr->code >= 64   in handle_request()
1478 	  debug("cannot send response for message %d\n", node->pdu->hdr->id);  in handle_request()
1514 			   rcvd->pdu->hdr->token,   in handle_response()
1515 			   rcvd->pdu->hdr->token_length);  in handle_response()
1554     switch (rcvd->pdu->hdr->type) {
1559       if (rcvd->pdu->hdr->code == 0)
1565       if (sent && COAP_RESPONSE_CLASS(sent->pdu->hdr->code) == 2) {
1567 	  { sent->pdu->hdr->token_length, sent->pdu->hdr->token };
1578       coap_log(LOG_ALERT, "got RST for message %u\n", ntohs(rcvd->pdu->hdr->id));
1580       coap_log(LOG_ALERT, "got RST for message %u\n", uip_ntohs(rcvd->pdu->hdr->id));
1621       if (COAP_MESSAGE_IS_REQUEST(rcvd->pdu->hdr))
1623       else if (COAP_MESSAGE_IS_RESPONSE(rcvd->pdu->hdr))
1627 	      COAP_RESPONSE_CLASS(rcvd->pdu->hdr->code),
1628 	      rcvd->pdu->hdr->code & 0x1f);