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799e9350a0
Client-side support for CoAP observe is not compiled by default. To enable it, the COAP_OBSERVE_CLIENT macro must be defined equal to 1.
87 lines
3.3 KiB
C
87 lines
3.3 KiB
C
/*
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* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*/
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/**
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* \file
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* CoAP implementation for the REST Engine.
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* \author
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* Matthias Kovatsch <kovatsch@inf.ethz.ch>
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*/
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#ifndef ER_COAP_ENGINE_H_
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#define ER_COAP_ENGINE_H_
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#include "pt.h"
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#include "er-coap.h"
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#include "er-coap-transactions.h"
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#include "er-coap-observe.h"
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#include "er-coap-separate.h"
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#include "er-coap-observe-client.h"
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#define SERVER_LISTEN_PORT UIP_HTONS(COAP_SERVER_PORT)
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typedef coap_packet_t rest_request_t;
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typedef coap_packet_t rest_response_t;
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void coap_init_engine(void);
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/*---------------------------------------------------------------------------*/
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/*- Client Part -------------------------------------------------------------*/
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/*---------------------------------------------------------------------------*/
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struct request_state_t {
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struct pt pt;
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struct process *process;
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coap_transaction_t *transaction;
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coap_packet_t *response;
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uint32_t block_num;
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};
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typedef void (*blocking_response_handler)(void *response);
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PT_THREAD(coap_blocking_request
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(struct request_state_t *state, process_event_t ev,
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uip_ipaddr_t *remote_ipaddr, uint16_t remote_port,
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coap_packet_t *request,
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blocking_response_handler request_callback));
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#define COAP_BLOCKING_REQUEST(server_addr, server_port, request, chunk_handler) \
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{ \
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static struct request_state_t request_state; \
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PT_SPAWN(process_pt, &request_state.pt, \
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coap_blocking_request(&request_state, ev, \
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server_addr, server_port, \
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request, chunk_handler) \
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); \
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}
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/*---------------------------------------------------------------------------*/
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#endif /* ER_COAP_ENGINE_H_ */
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