168 lines
6.1 KiB
C
168 lines
6.1 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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* Collection of constants specified in the CoAP standard.
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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_CONSTANTS_H_
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#define ER_COAP_CONSTANTS_H_
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#define COAP_DEFAULT_PORT 5683
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#define COAP_DEFAULT_MAX_AGE 60
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#define COAP_RESPONSE_TIMEOUT 3
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#define COAP_RESPONSE_RANDOM_FACTOR 1.5
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#define COAP_MAX_RETRANSMIT 4
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#define COAP_HEADER_LEN 4 /* | version:0x03 type:0x0C tkl:0xF0 | code | mid:0x00FF | mid:0xFF00 | */
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#define COAP_TOKEN_LEN 8 /* The maximum number of bytes for the Token */
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#define COAP_ETAG_LEN 8 /* The maximum number of bytes for the ETag */
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#define COAP_HEADER_VERSION_MASK 0xC0
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#define COAP_HEADER_VERSION_POSITION 6
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#define COAP_HEADER_TYPE_MASK 0x30
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#define COAP_HEADER_TYPE_POSITION 4
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#define COAP_HEADER_TOKEN_LEN_MASK 0x0F
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#define COAP_HEADER_TOKEN_LEN_POSITION 0
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#define COAP_HEADER_OPTION_DELTA_MASK 0xF0
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#define COAP_HEADER_OPTION_SHORT_LENGTH_MASK 0x0F
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/* CoAP message types */
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typedef enum {
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COAP_TYPE_CON, /* confirmables */
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COAP_TYPE_NON, /* non-confirmables */
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COAP_TYPE_ACK, /* acknowledgements */
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COAP_TYPE_RST /* reset */
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} coap_message_type_t;
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/* CoAP request method codes */
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typedef enum {
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COAP_GET = 1,
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COAP_POST,
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COAP_PUT,
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COAP_DELETE
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} coap_method_t;
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/* CoAP response codes */
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typedef enum {
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NO_ERROR = 0,
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CREATED_2_01 = 65, /* CREATED */
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DELETED_2_02 = 66, /* DELETED */
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VALID_2_03 = 67, /* NOT_MODIFIED */
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CHANGED_2_04 = 68, /* CHANGED */
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CONTENT_2_05 = 69, /* OK */
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CONTINUE_2_31 = 95, /* CONTINUE */
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BAD_REQUEST_4_00 = 128, /* BAD_REQUEST */
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UNAUTHORIZED_4_01 = 129, /* UNAUTHORIZED */
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BAD_OPTION_4_02 = 130, /* BAD_OPTION */
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FORBIDDEN_4_03 = 131, /* FORBIDDEN */
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NOT_FOUND_4_04 = 132, /* NOT_FOUND */
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METHOD_NOT_ALLOWED_4_05 = 133, /* METHOD_NOT_ALLOWED */
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NOT_ACCEPTABLE_4_06 = 134, /* NOT_ACCEPTABLE */
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REQUEST_ENTITY_INCOMPLETE_4_08 = 136, /* REQUEST_ENTITY_INCOMPLETE */
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PRECONDITION_FAILED_4_12 = 140, /* BAD_REQUEST */
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REQUEST_ENTITY_TOO_LARGE_4_13 = 141, /* REQUEST_ENTITY_TOO_LARGE */
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UNSUPPORTED_MEDIA_TYPE_4_15 = 143, /* UNSUPPORTED_MEDIA_TYPE */
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INTERNAL_SERVER_ERROR_5_00 = 160, /* INTERNAL_SERVER_ERROR */
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NOT_IMPLEMENTED_5_01 = 161, /* NOT_IMPLEMENTED */
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BAD_GATEWAY_5_02 = 162, /* BAD_GATEWAY */
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SERVICE_UNAVAILABLE_5_03 = 163, /* SERVICE_UNAVAILABLE */
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GATEWAY_TIMEOUT_5_04 = 164, /* GATEWAY_TIMEOUT */
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PROXYING_NOT_SUPPORTED_5_05 = 165, /* PROXYING_NOT_SUPPORTED */
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/* Erbium errors */
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MEMORY_ALLOCATION_ERROR = 192,
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PACKET_SERIALIZATION_ERROR,
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/* Erbium hooks */
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MANUAL_RESPONSE,
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PING_RESPONSE
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} coap_status_t;
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/* CoAP header option numbers */
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typedef enum {
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COAP_OPTION_IF_MATCH = 1, /* 0-8 B */
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COAP_OPTION_URI_HOST = 3, /* 1-255 B */
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COAP_OPTION_ETAG = 4, /* 1-8 B */
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COAP_OPTION_IF_NONE_MATCH = 5, /* 0 B */
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COAP_OPTION_OBSERVE = 6, /* 0-3 B */
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COAP_OPTION_URI_PORT = 7, /* 0-2 B */
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COAP_OPTION_LOCATION_PATH = 8, /* 0-255 B */
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COAP_OPTION_URI_PATH = 11, /* 0-255 B */
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COAP_OPTION_CONTENT_FORMAT = 12, /* 0-2 B */
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COAP_OPTION_MAX_AGE = 14, /* 0-4 B */
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COAP_OPTION_URI_QUERY = 15, /* 0-255 B */
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COAP_OPTION_ACCEPT = 17, /* 0-2 B */
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COAP_OPTION_LOCATION_QUERY = 20, /* 0-255 B */
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COAP_OPTION_BLOCK2 = 23, /* 1-3 B */
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COAP_OPTION_BLOCK1 = 27, /* 1-3 B */
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COAP_OPTION_SIZE2 = 28, /* 0-4 B */
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COAP_OPTION_PROXY_URI = 35, /* 1-1034 B */
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COAP_OPTION_PROXY_SCHEME = 39, /* 1-255 B */
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COAP_OPTION_SIZE1 = 60, /* 0-4 B */
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} coap_option_t;
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/* CoAP Content-Formats */
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typedef enum {
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TEXT_PLAIN = 0,
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TEXT_XML = 1,
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TEXT_CSV = 2,
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TEXT_HTML = 3,
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IMAGE_GIF = 21,
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IMAGE_JPEG = 22,
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IMAGE_PNG = 23,
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IMAGE_TIFF = 24,
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AUDIO_RAW = 25,
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VIDEO_RAW = 26,
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APPLICATION_LINK_FORMAT = 40,
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APPLICATION_XML = 41,
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APPLICATION_OCTET_STREAM = 42,
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APPLICATION_RDF_XML = 43,
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APPLICATION_SOAP_XML = 44,
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APPLICATION_ATOM_XML = 45,
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APPLICATION_XMPP_XML = 46,
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APPLICATION_EXI = 47,
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APPLICATION_FASTINFOSET = 48,
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APPLICATION_SOAP_FASTINFOSET = 49,
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APPLICATION_JSON = 50,
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APPLICATION_X_OBIX_BINARY = 51
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} coap_content_format_t;
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#endif /* ER_COAP_CONSTANTS_H_ */
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