258   coap_delete_pdu(node->pdu);  in coap_delete_node()
445 			   coap_pdu_t *pdu,  in coap_option_check_critical()  argument
451   coap_option_iterator_init(pdu, &opt_iter, COAP_OPT_ALL);  in coap_option_check_critical()
496 coap_transaction_id(const coap_address_t *peer, const coap_pdu_t *pdu,   in coap_transaction_id()  argument
528   coap_hash((const unsigned char *)&pdu->hdr->id, sizeof(unsigned short), h);  in coap_transaction_id()
557 	       coap_pdu_t *pdu) {  in coap_send_impl()  argument
561   if ( !context || !dst || !pdu )  in coap_send_impl()
567       COAP_RESPONSE_CLASS(pdu->hdr->code) > 2) {  in coap_send_impl()
572 				    (unsigned char *)pdu->hdr, pdu->length);  in coap_send_impl()
575     coap_transaction_id(dst, pdu, &id);  in coap_send_impl()
588 	       coap_pdu_t *pdu) {  in coap_send_impl()  argument
593   if ( !context || !dst || !pdu )  in coap_send_impl()
598   data_backup = pdu->data;  in coap_send_impl()
604   pbuf_realloc(pdu->pbuf, pdu->length);  in coap_send_impl()
606   coap_transaction_id(dst, pdu, &id);  in coap_send_impl()
608   udp_sendto(context->endpoint->pcb, pdu->pbuf,  in coap_send_impl()
619 	  coap_pdu_t *pdu) {  in coap_send()  argument
620   return coap_send_impl(context, local_interface, dst, pdu);  in coap_send()
705 		    coap_pdu_t *pdu) {  in coap_send_confirmed()  argument
716   node->id = coap_send_impl(context, local_interface, dst, pdu);  in coap_send_confirmed()
730   node->pdu = pdu;  in coap_send_confirmed()
789 	  node->retransmit_cnt, ntohs(node->pdu->hdr->id));  in coap_retransmit()
792 			      &node->remote, node->pdu);  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()
883   node->pdu = coap_pdu_from_pbuf(coap_packet_extract_pbuf(packet));  in coap_handle_message()
885   node->pdu = coap_pdu_init(0, 0, 0, msg_len);  in coap_handle_message()
887   if (!node->pdu) {  in coap_handle_message()
891   if (!coap_pdu_parse(msg, msg_len, node->pdu)) {  in coap_handle_message()
902   coap_transaction_id(&node->remote, node->pdu, &node->id);  in coap_handle_message()
917     coap_show_pdu(node->pdu);  in coap_handle_message()
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()
1290   COAP_SET_STR(&token, sent->pdu->hdr->token_length, sent->pdu->hdr->token);  in coap_cancel()
1365   coap_hash_request_uri(node->pdu, key);  in handle_request()
1373     switch(node->pdu->hdr->code) {  in handle_request()
1378 	response = coap_wellknown_response(context, node->pdu);  in handle_request()
1385 	  coap_new_error_response(node->pdu, COAP_RESPONSE_CODE(404),   in handle_request()
1395 	response = coap_new_error_response(node->pdu, COAP_RESPONSE_CODE(405),   in handle_request()
1399     if (response && !no_response(node->pdu, response) && coap_send(context, &node->local_if,   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()
1432 	observe = coap_check_option(node->pdu, COAP_OPTION_OBSERVE, &opt_iter);  in handle_request()
1452 	node->pdu, &token, response);  in handle_request()
1454       if (!no_response(node->pdu, response)) {  in handle_request()
1478 	  debug("cannot send response for message %d\n", node->pdu->hdr->id);  in handle_request()
1487     if (WANT_WKC(node->pdu, key)) {  in handle_request()
1489       response = coap_wellknown_response(context, node->pdu);  in handle_request()
1492       response = coap_new_error_response(node->pdu, COAP_RESPONSE_CODE(405),   in handle_request()
1507   coap_send_ack(context, &rcvd->local_if, &rcvd->remote, rcvd->pdu);  in handle_response()
1514 			   rcvd->pdu->hdr->token,   in handle_response()
1515 			   rcvd->pdu->hdr->token_length);  in handle_response()
1520 			      &rcvd->remote, sent ? sent->pdu : NULL,   in handle_response()
1521 			      rcvd->pdu, rcvd->id);  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));
1591       if (coap_option_check_critical(context, rcvd->pdu, opt_filter) == 0)
1596       if (coap_option_check_critical(context, rcvd->pdu, opt_filter) == 0) {
1601 	  coap_new_error_response(rcvd->pdu, COAP_RESPONSE_CODE(402), opt_filter);
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);
1632 				 rcvd->pdu, COAP_MESSAGE_RST);