nes-proj/os/net/app-layer/coap/coap-conf.h

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/*
* Copyright (c) 2013, Institute for Pervasive Computing, ETH Zurich
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* This file is part of the Contiki operating system.
*/
/**
* \file
* Collection of default configuration values.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
/**
* \addtogroup coap
* @{
*/
#ifndef COAP_CONF_H_
#define COAP_CONF_H_
#include "contiki.h"
/*
* The maximum buffer size that is provided for resource responses and must be
* respected due to the limited IP buffer. Larger data must be handled by the
* resource and will be sent chunk-wise through a TCP stream or CoAP blocks.
*/
#ifndef COAP_MAX_CHUNK_SIZE
#ifdef REST_MAX_CHUNK_SIZE
#define COAP_MAX_CHUNK_SIZE REST_MAX_CHUNK_SIZE
#else /* REST_MAX_CHUNK_SIZE */
#define COAP_MAX_CHUNK_SIZE 64
#endif /* REST_MAX_CHUNK_SIZE */
#endif /* COAP_MAX_CHUNK_SIZE */
/* Define REST_MAX_CHUNK_SIZE for backward compatibility */
#ifndef REST_MAX_CHUNK_SIZE
#define REST_MAX_CHUNK_SIZE COAP_MAX_CHUNK_SIZE
#endif /* REST_MAX_CHUNK_SIZE */
/* Features that can be disabled to achieve smaller memory footprint */
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#ifndef COAP_LINK_FORMAT_FILTERING
#define COAP_LINK_FORMAT_FILTERING 0
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#endif /* COAP_LINK_FORMAT_FILTERING */
#ifndef COAP_PROXY_OPTION_PROCESSING
#define COAP_PROXY_OPTION_PROCESSING 0
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#endif /* COAP_PROXY_OPTION_PROCESSING */
/* Listening port for the CoAP REST Engine */
#ifndef COAP_SERVER_PORT
#define COAP_SERVER_PORT COAP_DEFAULT_PORT
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#endif /* COAP_SERVER_PORT */
/* The number of concurrent messages that can be stored for retransmission in the transaction layer. */
#ifndef COAP_MAX_OPEN_TRANSACTIONS
#define COAP_MAX_OPEN_TRANSACTIONS 4
#endif /* COAP_MAX_OPEN_TRANSACTIONS */
/* Maximum number of failed request attempts before action */
#ifndef COAP_MAX_ATTEMPTS
#define COAP_MAX_ATTEMPTS 4
#endif /* COAP_MAX_ATTEMPTS */
/* Conservative size limit, as not all options have to be set at the same time. Check when Proxy-Uri option is used */
#ifndef COAP_MAX_HEADER_SIZE /* Hdr CoF If-Match Obs Blo strings */
#define COAP_MAX_HEADER_SIZE (4 + COAP_TOKEN_LEN + 3 + 1 + COAP_ETAG_LEN + 4 + 4 + 30) /* 65 */
#endif /* COAP_MAX_HEADER_SIZE */
/* Number of observer slots (each takes abot xxx bytes) */
#ifndef COAP_MAX_OBSERVERS
#define COAP_MAX_OBSERVERS COAP_MAX_OPEN_TRANSACTIONS - 1
#endif /* COAP_MAX_OBSERVERS */
/* Interval in notifies in which NON notifies are changed to CON notifies to check client. */
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#ifndef COAP_OBSERVE_REFRESH_INTERVAL
#define COAP_OBSERVE_REFRESH_INTERVAL 20
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#endif /* COAP_OBSERVE_REFRESH_INTERVAL */
#endif /* COAP_CONF_H_ */
/** @} */