Pre-defined constants that reflect defaults for CoAP. More...

#include "uri.h"
#include <stdint.h>

Include dependency graph for pdu.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	coap_option

struct	coap_pdu_t
	structure for CoAP PDUs token, if any, follows the fixed size header, then options until payload marker (0xff), then the payload if stored inline. More...

Macros
#define	COAP_DEFAULT_PORT 5683 /* CoAP default UDP/TCP port */

#define	COAPS_DEFAULT_PORT 5684 /* CoAP default UDP/TCP port for secure transmission */

#define	COAP_DEFAULT_MAX_AGE 60 /* default maximum object lifetime in seconds */

#define	COAP_DEFAULT_MTU 1152

#define	COAP_MESSAGE_SIZE_OFFSET_TCP8 13

#define	COAP_MESSAGE_SIZE_OFFSET_TCP16 269 /* 13 + 256 */

#define	COAP_MESSAGE_SIZE_OFFSET_TCP32 65805 /* 269 + 65536 */

#define	COAP_MAX_MESSAGE_SIZE_TCP0 (COAP_MESSAGE_SIZE_OFFSET_TCP8-1) /* 12 */

#define	COAP_MAX_MESSAGE_SIZE_TCP8 (COAP_MESSAGE_SIZE_OFFSET_TCP16-1) /* 268 */

#define	COAP_MAX_MESSAGE_SIZE_TCP16 (COAP_MESSAGE_SIZE_OFFSET_TCP32-1) /* 65804 */

#define	COAP_MAX_MESSAGE_SIZE_TCP32 (COAP_MESSAGE_SIZE_OFFSET_TCP32+0xFFFFFFFF)

#define	COAP_DEFAULT_MAX_PDU_RX_SIZE (810241024+256)

#define	COAP_DEBUG_BUF_SIZE (8 + 1024 * 2)

#define	COAP_DEFAULT_VERSION 1 /* version of CoAP supported */

#define	COAP_DEFAULT_SCHEME "coap" /* the default scheme for CoAP URIs */

#define	COAP_DEFAULT_URI_WELLKNOWN ".well-known/core"
	well-known resources URI More...

#define	COAP_MESSAGE_CON 0 /* confirmable message (requires ACK/RST) */

#define	COAP_MESSAGE_NON 1 /* non-confirmable message (one-shot message) */

#define	COAP_MESSAGE_ACK 2 /* used to acknowledge confirmable messages */

#define	COAP_MESSAGE_RST 3 /* indicates error in received messages */

#define	COAP_REQUEST_GET 1

#define	COAP_REQUEST_POST 2

#define	COAP_REQUEST_PUT 3

#define	COAP_REQUEST_DELETE 4

#define	COAP_REQUEST_FETCH 5 /* RFC 8132 */

#define	COAP_REQUEST_PATCH 6 /* RFC 8132 */

#define	COAP_REQUEST_IPATCH 7 /* RFC 8132 */

#define	COAP_OPTION_IF_MATCH 1 /* C, opaque, 0-8 B, (none) */

#define	COAP_OPTION_URI_HOST 3 /* C, String, 1-255 B, destination address */

#define	COAP_OPTION_ETAG 4 /* E, opaque, 1-8 B, (none) */

#define	COAP_OPTION_IF_NONE_MATCH 5 /* empty, 0 B, (none) */

#define	COAP_OPTION_URI_PORT 7 /* C, uint, 0-2 B, destination port */

#define	COAP_OPTION_LOCATION_PATH 8 /* E, String, 0-255 B, - */

#define	COAP_OPTION_URI_PATH 11 /* C, String, 0-255 B, (none) */

#define	COAP_OPTION_CONTENT_FORMAT 12 /* E, uint, 0-2 B, (none) */

#define	COAP_OPTION_CONTENT_TYPE COAP_OPTION_CONTENT_FORMAT

#define	COAP_OPTION_MAXAGE 14 /* E, uint, 0--4 B, 60 Seconds */

#define	COAP_OPTION_URI_QUERY 15 /* C, String, 1-255 B, (none) */

#define	COAP_OPTION_ACCEPT 17 /* C, uint, 0-2 B, (none) */

#define	COAP_OPTION_LOCATION_QUERY 20 /* E, String, 0-255 B, (none) */

#define	COAP_OPTION_SIZE2 28 /* E, uint, 0-4 B, (none) */

#define	COAP_OPTION_PROXY_URI 35 /* C, String, 1-1034 B, (none) */

#define	COAP_OPTION_PROXY_SCHEME 39 /* C, String, 1-255 B, (none) */

#define	COAP_OPTION_SIZE1 60 /* E, uint, 0-4 B, (none) */

#define	COAP_OPTION_OBSERVE 6 /* E, empty/uint, 0 B/0-3 B, (none) */

#define	COAP_OPTION_SUBSCRIPTION COAP_OPTION_OBSERVE

#define	COAP_OPTION_BLOCK2 23 /* C, uint, 0--3 B, (none) */

#define	COAP_OPTION_BLOCK1 27 /* C, uint, 0--3 B, (none) */

#define	COAP_OPTION_NORESPONSE 258 /* N, uint, 0--1 B, 0 */

#define	COAP_MAX_OPT 65535
	the highest option number we know More...

#define	COAP_RESPONSE_CODE(N) (((N)/100 << 5) \| (N)%100)

#define	COAP_RESPONSE_CLASS(C) (((C) >> 5) & 0xFF)

#define	COAP_ERROR_PHRASE_LENGTH 32
	maximum length of error phrase More...

#define	COAP_RESPONSE_200 COAP_RESPONSE_CODE(200) /* 2.00 OK */

#define	COAP_RESPONSE_201 COAP_RESPONSE_CODE(201) /* 2.01 Created */

#define	COAP_RESPONSE_304 COAP_RESPONSE_CODE(203) /* 2.03 Valid */

#define	COAP_RESPONSE_400 COAP_RESPONSE_CODE(400) /* 4.00 Bad Request */

#define	COAP_RESPONSE_404 COAP_RESPONSE_CODE(404) /* 4.04 Not Found */

#define	COAP_RESPONSE_405 COAP_RESPONSE_CODE(405) /* 4.05 Method Not Allowed */

#define	COAP_RESPONSE_415 COAP_RESPONSE_CODE(415) /* 4.15 Unsupported Media Type */

#define	COAP_RESPONSE_500 COAP_RESPONSE_CODE(500) /* 5.00 Internal Server Error */

#define	COAP_RESPONSE_501 COAP_RESPONSE_CODE(501) /* 5.01 Not Implemented */

#define	COAP_RESPONSE_503 COAP_RESPONSE_CODE(503) /* 5.03 Service Unavailable */

#define	COAP_RESPONSE_504 COAP_RESPONSE_CODE(504) /* 5.04 Gateway Timeout */

#define	COAP_RESPONSE_X_242 COAP_RESPONSE_CODE(402) /* Critical Option not supported */

#define	COAP_SIGNALING_CODE(N) (((N)/100 << 5) \| (N)%100)

#define	COAP_SIGNALING_CSM COAP_SIGNALING_CODE(701)

#define	COAP_SIGNALING_PING COAP_SIGNALING_CODE(702)

#define	COAP_SIGNALING_PONG COAP_SIGNALING_CODE(703)

#define	COAP_SIGNALING_RELEASE COAP_SIGNALING_CODE(704)

#define	COAP_SIGNALING_ABORT COAP_SIGNALING_CODE(705)

#define	COAP_SIGNALING_OPTION_MAX_MESSAGE_SIZE 2

#define	COAP_SIGNALING_OPTION_BLOCK_WISE_TRANSFER 4

#define	COAP_SIGNALING_OPTION_CUSTODY 2

#define	COAP_SIGNALING_OPTION_ALTERNATIVE_ADDRESS 2

#define	COAP_SIGNALING_OPTION_HOLD_OFF 4

#define	COAP_SIGNALING_OPTION_BAD_CSM_OPTION 2

#define	COAP_MEDIATYPE_TEXT_PLAIN 0 /* text/plain (UTF-8) */

#define	COAP_MEDIATYPE_APPLICATION_LINK_FORMAT 40 /* application/link-format */

#define	COAP_MEDIATYPE_APPLICATION_XML 41 /* application/xml */

#define	COAP_MEDIATYPE_APPLICATION_OCTET_STREAM 42 /* application/octet-stream */

#define	COAP_MEDIATYPE_APPLICATION_RDF_XML 43 /* application/rdf+xml */

#define	COAP_MEDIATYPE_APPLICATION_EXI 47 /* application/exi */

#define	COAP_MEDIATYPE_APPLICATION_JSON 50 /* application/json */

#define	COAP_MEDIATYPE_APPLICATION_CBOR 60 /* application/cbor */

#define	COAP_MEDIATYPE_APPLICATION_COSE_SIGN 98 /* application/cose; cose-type="cose-sign" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_SIGN1 18 /* application/cose; cose-type="cose-sign1" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT 96 /* application/cose; cose-type="cose-encrypt" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT0 16 /* application/cose; cose-type="cose-encrypt0" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_MAC 97 /* application/cose; cose-type="cose-mac" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_MAC0 17 /* application/cose; cose-type="cose-mac0" */

#define	COAP_MEDIATYPE_APPLICATION_COSE_KEY 101 /* application/cose-key */

#define	COAP_MEDIATYPE_APPLICATION_COSE_KEY_SET 102 /* application/cose-key-set */

#define	COAP_MEDIATYPE_APPLICATION_SENML_JSON 110 /* application/senml+json */

#define	COAP_MEDIATYPE_APPLICATION_SENSML_JSON 111 /* application/sensml+json */

#define	COAP_MEDIATYPE_APPLICATION_SENML_CBOR 112 /* application/senml+cbor */

#define	COAP_MEDIATYPE_APPLICATION_SENSML_CBOR 113 /* application/sensml+cbor */

#define	COAP_MEDIATYPE_APPLICATION_SENML_EXI 114 /* application/senml-exi */

#define	COAP_MEDIATYPE_APPLICATION_SENSML_EXI 115 /* application/sensml-exi */

#define	COAP_MEDIATYPE_APPLICATION_SENML_XML 310 /* application/senml+xml */

#define	COAP_MEDIATYPE_APPLICATION_SENSML_XML 311 /* application/sensml+xml */

#define	COAP_MEDIATYPE_ANY 0xff /* any media type */

#define	COAP_INVALID_TID -1
	Indicates an invalid transaction id. More...

#define	COAP_DROPPED_RESPONSE -2
	Indicates that a response is suppressed. More...

#define	COAP_PDU_DELAYED -3

#define	COAP_OPT_LONG

#define	COAP_OPT_END 0xF0 /* end marker */

#define	COAP_PAYLOAD_START 0xFF /* payload marker */

#define	COAP_OPTION_KEY(option) (option).key

#define	COAP_OPTION_LENGTH(option) (option).length

#define	COAP_OPTION_DATA(option) ((unsigned char *)&(option) + sizeof(coap_option))

#define	COAP_PDU_IS_EMPTY(pdu) ((pdu)->code == 0)

#define	COAP_PDU_IS_REQUEST(pdu) (!COAP_PDU_IS_EMPTY(pdu) && (pdu)->code < 32)

#define	COAP_PDU_IS_RESPONSE(pdu) ((pdu)->code >= 64 && (pdu)->code < 224)

#define	COAP_PDU_IS_SIGNALING(pdu) ((pdu)->code >= 224)

#define	COAP_PDU_MAX_UDP_HEADER_SIZE 4

#define	COAP_PDU_MAX_TCP_HEADER_SIZE 6

#define	COAP_PROTO_NONE 0
	coap_proto_t values More...

#define	COAP_PROTO_UDP 1

#define	COAP_PROTO_DTLS 2

#define	COAP_PROTO_TCP 3

#define	COAP_PROTO_TLS 4

Typedefs
typedef int	coap_tid_t
	coap_tid_t is used to store CoAP transaction id, i.e. More...

typedef struct coap_pdu_t	coap_pdu_t
	structure for CoAP PDUs token, if any, follows the fixed size header, then options until payload marker (0xff), then the payload if stored inline. More...

typedef uint8_t	coap_proto_t

Functions
const char *	coap_response_phrase (unsigned char code)
	Returns a human-readable response phrase for the specified CoAP response `code`. More...

coap_pdu_t *	coap_pdu_init (uint8_t type, uint8_t code, uint16_t tid, size_t size)
	Creates a new CoAP PDU with at least enough storage space for the given `size` maximum message size. More...

int	coap_pdu_resize (coap_pdu_t *pdu, size_t new_size)
	Dynamically grows the size of `pdu` to `new_size`. More...

void	coap_pdu_clear (coap_pdu_t *pdu, size_t size)
	Clears any contents from `pdu` and resets `used_size`, and `data` pointers. More...

coap_pdu_t *	coap_new_pdu (const struct coap_session_t *session)
	Creates a new CoAP PDU. More...

void	coap_delete_pdu (coap_pdu_t *)
	Dispose of an CoAP PDU and frees associated storage. More...

size_t	coap_pdu_parse_header_size (coap_proto_t proto, const uint8_t *data)
	Interprets `data` to determine the number of bytes in the header. More...

size_t	coap_pdu_parse_size (coap_proto_t proto, const uint8_t *data, size_t length)
	Parses `data` to extract the message size. More...

int	coap_pdu_parse_header (coap_pdu_t *pdu, coap_proto_t proto)
	Decode the protocol specific header for the specified PDU. More...

int	coap_pdu_parse_opt (coap_pdu_t *pdu)
	Verify consistency in the given CoAP PDU structure and locate the data. More...

int	coap_pdu_parse (coap_proto_t proto, const uint8_t data, size_t length, coap_pdu_t pdu)
	Parses `data` into the CoAP PDU structure given in `result`. More...

int	coap_add_token (coap_pdu_t pdu, size_t len, const uint8_t data)
	Adds token of length `len` to `pdu`. More...

size_t	coap_add_option (coap_pdu_t pdu, uint16_t type, size_t len, const uint8_t data)
	Adds option of given type to pdu that is passed as first parameter. More...

uint8_t *	coap_add_option_later (coap_pdu_t *pdu, uint16_t type, size_t len)
	Adds option of given type to pdu that is passed as first parameter, but does not write a value. More...

int	coap_add_data (coap_pdu_t pdu, size_t len, const uint8_t data)
	Adds given data to the pdu that is passed as first parameter. More...

uint8_t *	coap_add_data_after (coap_pdu_t *pdu, size_t len)
	Adds given data to the pdu that is passed as first parameter but does not copyt it. More...

int	coap_get_data (const coap_pdu_t pdu, size_t len, uint8_t **data)
	Retrieves the length and data pointer of specified PDU. More...

size_t	coap_pdu_encode_header (coap_pdu_t *pdu, coap_proto_t proto)
	Compose the protocol specific header for the specified PDU. More...

Detailed Description

Pre-defined constants that reflect defaults for CoAP.

Definition in file pdu.h.

Macro Definition Documentation

◆ COAP_DEBUG_BUF_SIZE

#define COAP_DEBUG_BUF_SIZE (8 + 1024 * 2)

Definition at line 60 of file pdu.h.

◆ COAP_DEFAULT_MAX_AGE

#define COAP_DEFAULT_MAX_AGE 60 /* default maximum object lifetime in seconds */

Definition at line 30 of file pdu.h.

◆ COAP_DEFAULT_MAX_PDU_RX_SIZE

#define COAP_DEFAULT_MAX_PDU_RX_SIZE (8*1024*1024+256)

Definition at line 51 of file pdu.h.

◆ COAP_DEFAULT_MTU

#define COAP_DEFAULT_MTU 1152

Definition at line 32 of file pdu.h.

◆ COAP_DEFAULT_PORT

#define COAP_DEFAULT_PORT 5683 /* CoAP default UDP/TCP port */

Definition at line 28 of file pdu.h.

◆ COAP_DEFAULT_SCHEME

#define COAP_DEFAULT_SCHEME "coap" /* the default scheme for CoAP URIs */

Definition at line 65 of file pdu.h.

◆ COAP_DEFAULT_URI_WELLKNOWN

#define COAP_DEFAULT_URI_WELLKNOWN ".well-known/core"

well-known resources URI

Definition at line 68 of file pdu.h.

◆ COAP_DEFAULT_VERSION

#define COAP_DEFAULT_VERSION 1 /* version of CoAP supported */

Definition at line 64 of file pdu.h.

◆ COAP_DROPPED_RESPONSE

#define COAP_DROPPED_RESPONSE -2

Indicates that a response is suppressed.

This will occur for error responses if the request was received via IP multicast.

Definition at line 247 of file pdu.h.

◆ COAP_ERROR_PHRASE_LENGTH

#define COAP_ERROR_PHRASE_LENGTH 32

maximum length of error phrase

Definition at line 150 of file pdu.h.

◆ COAP_INVALID_TID

#define COAP_INVALID_TID -1

Indicates an invalid transaction id.

Definition at line 241 of file pdu.h.

◆ COAP_MAX_MESSAGE_SIZE_TCP0

#define COAP_MAX_MESSAGE_SIZE_TCP0 (COAP_MESSAGE_SIZE_OFFSET_TCP8-1) /* 12 */

Definition at line 41 of file pdu.h.

◆ COAP_MAX_MESSAGE_SIZE_TCP16

#define COAP_MAX_MESSAGE_SIZE_TCP16 (COAP_MESSAGE_SIZE_OFFSET_TCP32-1) /* 65804 */

Definition at line 43 of file pdu.h.

◆ COAP_MAX_MESSAGE_SIZE_TCP32

#define COAP_MAX_MESSAGE_SIZE_TCP32 (COAP_MESSAGE_SIZE_OFFSET_TCP32+0xFFFFFFFF)

Definition at line 44 of file pdu.h.

◆ COAP_MAX_MESSAGE_SIZE_TCP8

#define COAP_MAX_MESSAGE_SIZE_TCP8 (COAP_MESSAGE_SIZE_OFFSET_TCP16-1) /* 268 */

Definition at line 42 of file pdu.h.

◆ COAP_MAX_OPT

#define COAP_MAX_OPT 65535

the highest option number we know

Definition at line 124 of file pdu.h.

◆ COAP_MEDIATYPE_ANY

#define COAP_MEDIATYPE_ANY 0xff /* any media type */

Definition at line 231 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_CBOR

#define COAP_MEDIATYPE_APPLICATION_CBOR 60 /* application/cbor */

Definition at line 206 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT

#define COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT 96 /* application/cose; cose-type="cose-encrypt" */

Definition at line 211 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT0

#define COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT0 16 /* application/cose; cose-type="cose-encrypt0" */

Definition at line 212 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_KEY

#define COAP_MEDIATYPE_APPLICATION_COSE_KEY 101 /* application/cose-key */

Definition at line 216 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_KEY_SET

#define COAP_MEDIATYPE_APPLICATION_COSE_KEY_SET 102 /* application/cose-key-set */

Definition at line 217 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_MAC

#define COAP_MEDIATYPE_APPLICATION_COSE_MAC 97 /* application/cose; cose-type="cose-mac" */

Definition at line 213 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_MAC0

#define COAP_MEDIATYPE_APPLICATION_COSE_MAC0 17 /* application/cose; cose-type="cose-mac0" */

Definition at line 214 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_SIGN

#define COAP_MEDIATYPE_APPLICATION_COSE_SIGN 98 /* application/cose; cose-type="cose-sign" */

Definition at line 209 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_COSE_SIGN1

#define COAP_MEDIATYPE_APPLICATION_COSE_SIGN1 18 /* application/cose; cose-type="cose-sign1" */

Definition at line 210 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_EXI

#define COAP_MEDIATYPE_APPLICATION_EXI 47 /* application/exi */

Definition at line 204 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_JSON

#define COAP_MEDIATYPE_APPLICATION_JSON 50 /* application/json */

Definition at line 205 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_LINK_FORMAT

#define COAP_MEDIATYPE_APPLICATION_LINK_FORMAT 40 /* application/link-format */

Definition at line 200 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_OCTET_STREAM

#define COAP_MEDIATYPE_APPLICATION_OCTET_STREAM 42 /* application/octet-stream */

Definition at line 202 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_RDF_XML

#define COAP_MEDIATYPE_APPLICATION_RDF_XML 43 /* application/rdf+xml */

Definition at line 203 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENML_CBOR

#define COAP_MEDIATYPE_APPLICATION_SENML_CBOR 112 /* application/senml+cbor */

Definition at line 222 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENML_EXI

#define COAP_MEDIATYPE_APPLICATION_SENML_EXI 114 /* application/senml-exi */

Definition at line 224 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENML_JSON

#define COAP_MEDIATYPE_APPLICATION_SENML_JSON 110 /* application/senml+json */

Definition at line 220 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENML_XML

#define COAP_MEDIATYPE_APPLICATION_SENML_XML 310 /* application/senml+xml */

Definition at line 226 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENSML_CBOR

#define COAP_MEDIATYPE_APPLICATION_SENSML_CBOR 113 /* application/sensml+cbor */

Definition at line 223 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENSML_EXI

#define COAP_MEDIATYPE_APPLICATION_SENSML_EXI 115 /* application/sensml-exi */

Definition at line 225 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENSML_JSON

#define COAP_MEDIATYPE_APPLICATION_SENSML_JSON 111 /* application/sensml+json */

Definition at line 221 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_SENSML_XML

#define COAP_MEDIATYPE_APPLICATION_SENSML_XML 311 /* application/sensml+xml */

Definition at line 227 of file pdu.h.

◆ COAP_MEDIATYPE_APPLICATION_XML

#define COAP_MEDIATYPE_APPLICATION_XML 41 /* application/xml */

Definition at line 201 of file pdu.h.

◆ COAP_MEDIATYPE_TEXT_PLAIN

#define COAP_MEDIATYPE_TEXT_PLAIN 0 /* text/plain (UTF-8) */

Definition at line 199 of file pdu.h.

◆ COAP_MESSAGE_ACK

#define COAP_MESSAGE_ACK 2 /* used to acknowledge confirmable messages */

Definition at line 74 of file pdu.h.

◆ COAP_MESSAGE_CON

#define COAP_MESSAGE_CON 0 /* confirmable message (requires ACK/RST) */

Definition at line 72 of file pdu.h.

◆ COAP_MESSAGE_NON

#define COAP_MESSAGE_NON 1 /* non-confirmable message (one-shot message) */

Definition at line 73 of file pdu.h.

◆ COAP_MESSAGE_RST

#define COAP_MESSAGE_RST 3 /* indicates error in received messages */

Definition at line 75 of file pdu.h.

◆ COAP_MESSAGE_SIZE_OFFSET_TCP16

#define COAP_MESSAGE_SIZE_OFFSET_TCP16 269 /* 13 + 256 */

Definition at line 37 of file pdu.h.

◆ COAP_MESSAGE_SIZE_OFFSET_TCP32

#define COAP_MESSAGE_SIZE_OFFSET_TCP32 65805 /* 269 + 65536 */

Definition at line 38 of file pdu.h.

◆ COAP_MESSAGE_SIZE_OFFSET_TCP8

#define COAP_MESSAGE_SIZE_OFFSET_TCP8 13

Definition at line 36 of file pdu.h.

◆ COAP_OPT_END

#define COAP_OPT_END 0xF0 /* end marker */

Definition at line 255 of file pdu.h.

◆ COAP_OPT_LONG

#define COAP_OPT_LONG

Value:

0x0F      /* OC == 0b1111 indicates that the option list
                                 * in a CoAP message is limited by 0b11110000
                                 * marker */

Definition at line 251 of file pdu.h.

◆ COAP_OPTION_ACCEPT

#define COAP_OPTION_ACCEPT 17 /* C, uint, 0-2 B, (none) */

Definition at line 103 of file pdu.h.

◆ COAP_OPTION_BLOCK1

#define COAP_OPTION_BLOCK1 27 /* C, uint, 0--3 B, (none) */

Definition at line 118 of file pdu.h.

◆ COAP_OPTION_BLOCK2

#define COAP_OPTION_BLOCK2 23 /* C, uint, 0--3 B, (none) */

Definition at line 117 of file pdu.h.

◆ COAP_OPTION_CONTENT_FORMAT

#define COAP_OPTION_CONTENT_FORMAT 12 /* E, uint, 0-2 B, (none) */

Definition at line 99 of file pdu.h.

◆ COAP_OPTION_CONTENT_TYPE

#define COAP_OPTION_CONTENT_TYPE COAP_OPTION_CONTENT_FORMAT

Definition at line 100 of file pdu.h.

◆ COAP_OPTION_DATA

#define COAP_OPTION_DATA ( option ) ((unsigned char *)&(option) + sizeof(coap_option))

Definition at line 273 of file pdu.h.

◆ COAP_OPTION_ETAG

#define COAP_OPTION_ETAG 4 /* E, opaque, 1-8 B, (none) */

Definition at line 94 of file pdu.h.

◆ COAP_OPTION_IF_MATCH

#define COAP_OPTION_IF_MATCH 1 /* C, opaque, 0-8 B, (none) */

Definition at line 92 of file pdu.h.

◆ COAP_OPTION_IF_NONE_MATCH

#define COAP_OPTION_IF_NONE_MATCH 5 /* empty, 0 B, (none) */

Definition at line 95 of file pdu.h.

◆ COAP_OPTION_KEY

#define COAP_OPTION_KEY ( option ) (option).key

Definition at line 271 of file pdu.h.

◆ COAP_OPTION_LENGTH

#define COAP_OPTION_LENGTH ( option ) (option).length

Definition at line 272 of file pdu.h.

◆ COAP_OPTION_LOCATION_PATH

#define COAP_OPTION_LOCATION_PATH 8 /* E, String, 0-255 B, - */

Definition at line 97 of file pdu.h.

◆ COAP_OPTION_LOCATION_QUERY

#define COAP_OPTION_LOCATION_QUERY 20 /* E, String, 0-255 B, (none) */

Definition at line 104 of file pdu.h.

◆ COAP_OPTION_MAXAGE

#define COAP_OPTION_MAXAGE 14 /* E, uint, 0--4 B, 60 Seconds */

Definition at line 101 of file pdu.h.

◆ COAP_OPTION_NORESPONSE

#define COAP_OPTION_NORESPONSE 258 /* N, uint, 0--1 B, 0 */

Definition at line 122 of file pdu.h.

◆ COAP_OPTION_OBSERVE

#define COAP_OPTION_OBSERVE 6 /* E, empty/uint, 0 B/0-3 B, (none) */

Definition at line 112 of file pdu.h.

◆ COAP_OPTION_PROXY_SCHEME

#define COAP_OPTION_PROXY_SCHEME 39 /* C, String, 1-255 B, (none) */

Definition at line 107 of file pdu.h.

◆ COAP_OPTION_PROXY_URI

#define COAP_OPTION_PROXY_URI 35 /* C, String, 1-1034 B, (none) */

Definition at line 106 of file pdu.h.

◆ COAP_OPTION_SIZE1

#define COAP_OPTION_SIZE1 60 /* E, uint, 0-4 B, (none) */

Definition at line 108 of file pdu.h.

◆ COAP_OPTION_SIZE2

#define COAP_OPTION_SIZE2 28 /* E, uint, 0-4 B, (none) */

Definition at line 105 of file pdu.h.

◆ COAP_OPTION_SUBSCRIPTION

#define COAP_OPTION_SUBSCRIPTION COAP_OPTION_OBSERVE

Definition at line 113 of file pdu.h.

◆ COAP_OPTION_URI_HOST

#define COAP_OPTION_URI_HOST 3 /* C, String, 1-255 B, destination address */

Definition at line 93 of file pdu.h.

◆ COAP_OPTION_URI_PATH

#define COAP_OPTION_URI_PATH 11 /* C, String, 0-255 B, (none) */

Definition at line 98 of file pdu.h.

◆ COAP_OPTION_URI_PORT

#define COAP_OPTION_URI_PORT 7 /* C, uint, 0-2 B, destination port */

Definition at line 96 of file pdu.h.

◆ COAP_OPTION_URI_QUERY

#define COAP_OPTION_URI_QUERY 15 /* C, String, 1-255 B, (none) */

Definition at line 102 of file pdu.h.

◆ COAP_PAYLOAD_START

#define COAP_PAYLOAD_START 0xFF /* payload marker */

Definition at line 257 of file pdu.h.

◆ COAP_PDU_DELAYED

#define COAP_PDU_DELAYED -3

Definition at line 249 of file pdu.h.

◆ COAP_PDU_IS_EMPTY

#define COAP_PDU_IS_EMPTY ( pdu ) ((pdu)->code == 0)

Definition at line 312 of file pdu.h.

◆ COAP_PDU_IS_REQUEST

#define COAP_PDU_IS_REQUEST ( pdu ) (!COAP_PDU_IS_EMPTY(pdu) && (pdu)->code < 32)

Definition at line 313 of file pdu.h.

◆ COAP_PDU_IS_RESPONSE

#define COAP_PDU_IS_RESPONSE ( pdu ) ((pdu)->code >= 64 && (pdu)->code < 224)

Definition at line 314 of file pdu.h.

◆ COAP_PDU_IS_SIGNALING

#define COAP_PDU_IS_SIGNALING ( pdu ) ((pdu)->code >= 224)

Definition at line 315 of file pdu.h.

◆ COAP_PDU_MAX_TCP_HEADER_SIZE

#define COAP_PDU_MAX_TCP_HEADER_SIZE 6

Definition at line 318 of file pdu.h.

◆ COAP_PDU_MAX_UDP_HEADER_SIZE

#define COAP_PDU_MAX_UDP_HEADER_SIZE 4

Definition at line 317 of file pdu.h.

◆ COAP_PROTO_DTLS

#define COAP_PROTO_DTLS 2

Definition at line 345 of file pdu.h.

◆ COAP_PROTO_NONE

#define COAP_PROTO_NONE 0

coap_proto_t values

Definition at line 343 of file pdu.h.

◆ COAP_PROTO_TCP

#define COAP_PROTO_TCP 3

Definition at line 346 of file pdu.h.

◆ COAP_PROTO_TLS

#define COAP_PROTO_TLS 4

Definition at line 347 of file pdu.h.

◆ COAP_PROTO_UDP

#define COAP_PROTO_UDP 1

Definition at line 344 of file pdu.h.

◆ COAP_REQUEST_DELETE

#define COAP_REQUEST_DELETE 4

Definition at line 82 of file pdu.h.

◆ COAP_REQUEST_FETCH

#define COAP_REQUEST_FETCH 5 /* RFC 8132 */

Definition at line 83 of file pdu.h.

◆ COAP_REQUEST_GET

#define COAP_REQUEST_GET 1

Definition at line 79 of file pdu.h.

◆ COAP_REQUEST_IPATCH

#define COAP_REQUEST_IPATCH 7 /* RFC 8132 */

Definition at line 85 of file pdu.h.

◆ COAP_REQUEST_PATCH

#define COAP_REQUEST_PATCH 6 /* RFC 8132 */

Definition at line 84 of file pdu.h.

◆ COAP_REQUEST_POST

#define COAP_REQUEST_POST 2

Definition at line 80 of file pdu.h.

◆ COAP_REQUEST_PUT

#define COAP_REQUEST_PUT 3

Definition at line 81 of file pdu.h.

◆ COAP_RESPONSE_200

#define COAP_RESPONSE_200 COAP_RESPONSE_CODE(200) /* 2.00 OK */

Definition at line 162 of file pdu.h.

◆ COAP_RESPONSE_201

#define COAP_RESPONSE_201 COAP_RESPONSE_CODE(201) /* 2.01 Created */

Definition at line 163 of file pdu.h.

◆ COAP_RESPONSE_304

#define COAP_RESPONSE_304 COAP_RESPONSE_CODE(203) /* 2.03 Valid */

Definition at line 164 of file pdu.h.

◆ COAP_RESPONSE_400

#define COAP_RESPONSE_400 COAP_RESPONSE_CODE(400) /* 4.00 Bad Request */

Definition at line 165 of file pdu.h.

◆ COAP_RESPONSE_404

#define COAP_RESPONSE_404 COAP_RESPONSE_CODE(404) /* 4.04 Not Found */

Definition at line 166 of file pdu.h.

◆ COAP_RESPONSE_405

#define COAP_RESPONSE_405 COAP_RESPONSE_CODE(405) /* 4.05 Method Not Allowed */

Definition at line 167 of file pdu.h.

◆ COAP_RESPONSE_415

#define COAP_RESPONSE_415 COAP_RESPONSE_CODE(415) /* 4.15 Unsupported Media Type */

Definition at line 168 of file pdu.h.

◆ COAP_RESPONSE_500

#define COAP_RESPONSE_500 COAP_RESPONSE_CODE(500) /* 5.00 Internal Server Error */

Definition at line 169 of file pdu.h.

◆ COAP_RESPONSE_501

#define COAP_RESPONSE_501 COAP_RESPONSE_CODE(501) /* 5.01 Not Implemented */

Definition at line 170 of file pdu.h.

◆ COAP_RESPONSE_503

#define COAP_RESPONSE_503 COAP_RESPONSE_CODE(503) /* 5.03 Service Unavailable */

Definition at line 171 of file pdu.h.

◆ COAP_RESPONSE_504

#define COAP_RESPONSE_504 COAP_RESPONSE_CODE(504) /* 5.04 Gateway Timeout */

Definition at line 172 of file pdu.h.

◆ COAP_RESPONSE_CLASS

#define COAP_RESPONSE_CLASS ( C ) (((C) >> 5) & 0xFF)

Definition at line 135 of file pdu.h.

◆ COAP_RESPONSE_CODE

#define COAP_RESPONSE_CODE ( N ) (((N)/100 << 5) | (N)%100)

Definition at line 132 of file pdu.h.

◆ COAP_RESPONSE_X_242

#define COAP_RESPONSE_X_242 COAP_RESPONSE_CODE(402) /* Critical Option not supported */

Definition at line 177 of file pdu.h.

◆ COAP_SIGNALING_ABORT

#define COAP_SIGNALING_ABORT COAP_SIGNALING_CODE(705)

Definition at line 184 of file pdu.h.

◆ COAP_SIGNALING_CODE

#define COAP_SIGNALING_CODE ( N ) (((N)/100 << 5) | (N)%100)

Definition at line 179 of file pdu.h.

◆ COAP_SIGNALING_CSM

#define COAP_SIGNALING_CSM COAP_SIGNALING_CODE(701)

Definition at line 180 of file pdu.h.

◆ COAP_SIGNALING_OPTION_ALTERNATIVE_ADDRESS

#define COAP_SIGNALING_OPTION_ALTERNATIVE_ADDRESS 2

Definition at line 192 of file pdu.h.

◆ COAP_SIGNALING_OPTION_BAD_CSM_OPTION

#define COAP_SIGNALING_OPTION_BAD_CSM_OPTION 2

Definition at line 195 of file pdu.h.

◆ COAP_SIGNALING_OPTION_BLOCK_WISE_TRANSFER

#define COAP_SIGNALING_OPTION_BLOCK_WISE_TRANSFER 4

Definition at line 188 of file pdu.h.

◆ COAP_SIGNALING_OPTION_CUSTODY

#define COAP_SIGNALING_OPTION_CUSTODY 2

Definition at line 190 of file pdu.h.

◆ COAP_SIGNALING_OPTION_HOLD_OFF

#define COAP_SIGNALING_OPTION_HOLD_OFF 4

Definition at line 193 of file pdu.h.

◆ COAP_SIGNALING_OPTION_MAX_MESSAGE_SIZE

#define COAP_SIGNALING_OPTION_MAX_MESSAGE_SIZE 2

Definition at line 187 of file pdu.h.

◆ COAP_SIGNALING_PING

#define COAP_SIGNALING_PING COAP_SIGNALING_CODE(702)

Definition at line 181 of file pdu.h.

◆ COAP_SIGNALING_PONG

#define COAP_SIGNALING_PONG COAP_SIGNALING_CODE(703)

Definition at line 182 of file pdu.h.

◆ COAP_SIGNALING_RELEASE

#define COAP_SIGNALING_RELEASE COAP_SIGNALING_CODE(704)

Definition at line 183 of file pdu.h.

◆ COAPS_DEFAULT_PORT

#define COAPS_DEFAULT_PORT 5684 /* CoAP default UDP/TCP port for secure transmission */

Definition at line 29 of file pdu.h.

Typedef Documentation

◆ coap_pdu_t

typedef struct coap_pdu_t coap_pdu_t

structure for CoAP PDUs token, if any, follows the fixed size header, then options until payload marker (0xff), then the payload if stored inline.

Memory layout is: <—header—>|<—token—><—options—>0xff<—payload—> header is addressed with a negative offset to token, its maximum size is max_hdr_size. options starts at token + token_length payload starts at data, its length is used_size - (data - token)

◆ coap_proto_t

typedef uint8_t coap_proto_t

Definition at line 339 of file pdu.h.

◆ coap_tid_t

typedef int coap_tid_t

coap_tid_t is used to store CoAP transaction id, i.e.

a hash value built from the remote transport address and the message id of a CoAP PDU. Valid transaction ids are greater or equal zero.

Definition at line 238 of file pdu.h.

Function Documentation

◆ coap_add_data()

int coap_add_data	(	coap_pdu_t *	pdu,
		size_t	len,
		const uint8_t *	data
	)

Adds given data to the pdu that is passed as first parameter.

Note that the PDU's data is destroyed by coap_add_option(). coap_add_data() must be called only once per PDU, otherwise the result is undefined.

Definition at line 288 of file pdu.c.

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◆ coap_add_data_after()

uint8_t* coap_add_data_after	(	coap_pdu_t *	pdu,
		size_t	len
	)

Adds given data to the pdu that is passed as first parameter but does not copyt it.

Note that the PDU's data is destroyed by coap_add_option(). coap_add_data() must be have been called once for this PDU, otherwise the result is undefined. The actual data must be copied at the returned location.

Definition at line 300 of file pdu.c.

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◆ coap_add_option()

size_t coap_add_option	(	coap_pdu_t *	pdu,
		uint16_t	type,
		size_t	len,
		const uint8_t *	data
	)

Adds option of given type to pdu that is passed as first parameter.

coap_add_option() destroys the PDU's data, so coap_add_data() must be called after all options have been added. As coap_add_token() destroys the options following the token, the token must be added before coap_add_option() is called. This function returns the number of bytes written or 0 on error.

Definition at line 215 of file pdu.c.

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◆ coap_add_option_later()

uint8_t* coap_add_option_later	(	coap_pdu_t *	pdu,
		uint16_t	type,
		size_t	len
	)

Adds option of given type to pdu that is passed as first parameter, but does not write a value.

It works like coap_add_option with respect to calling sequence (i.e. after token and before data). This function returns a memory address to which the option data has to be written before the PDU can be sent, or NULL on error.

Definition at line 252 of file pdu.c.

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◆ coap_add_token()

int coap_add_token	(	coap_pdu_t *	pdu,
		size_t	len,
		const uint8_t *	data
	)

Adds token of length len to pdu.

Adding the token destroys any following contents of the pdu. Hence options and data must be added after coap_add_token() has been called. In pdu, length is set to len + 4, and max_delta is set to 0. This function returns 0 on error or a value greater than zero on success.

Parameters

pdu	The PDU where the token is to be added.
len	The length of the new token.
data	The token to add.

Returns: A value greater than zero on success, or 0 on error.

Definition at line 191 of file pdu.c.

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◆ coap_delete_pdu()

void coap_delete_pdu ( coap_pdu_t * )

Dispose of an CoAP PDU and frees associated storage.

Not that in general you should not call this function directly. When a PDU is sent with coap_send(), coap_delete_pdu() will be called automatically for you.

Definition at line 127 of file pdu.c.

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◆ coap_get_data()

int coap_get_data	(	const coap_pdu_t *	pdu,
		size_t *	len,
		uint8_t **	data
	)

Retrieves the length and data pointer of specified PDU.

Returns 0 on error or 1 if *len and *data have correct values. Note that these values are destroyed with the pdu.

Definition at line 318 of file pdu.c.

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◆ coap_new_pdu()

coap_pdu_t* coap_new_pdu ( const struct coap_session_t * session )

Creates a new CoAP PDU.

Definition at line 119 of file pdu.c.

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◆ coap_pdu_clear()

void coap_pdu_clear	(	coap_pdu_t *	pdu,
		size_t	size
	)

Clears any contents from pdu and resets used_size, and data pointers.

max_size is set to size, any other field is set to 0. Note that pdu must be a valid pointer to a coap_pdu_t object created e.g. by coap_pdu_init().

Definition at line 34 of file pdu.c.

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◆ coap_pdu_encode_header()

size_t coap_pdu_encode_header	(	coap_pdu_t *	pdu,
		coap_proto_t	proto
	)

Compose the protocol specific header for the specified PDU.

Parameters

pdu	A newly composed PDU.
proto	The target wire protocol.

Returns: Number of header bytes prepended before pdu->token or 0 on error.

Definition at line 568 of file pdu.c.

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◆ coap_pdu_init()

coap_pdu_t* coap_pdu_init	(	uint8_t	type,
		uint8_t	code,
		uint16_t	tid,
		size_t	size
	)

Creates a new CoAP PDU with at least enough storage space for the given size maximum message size.

The function returns a pointer to the node coap_pdu_t object on success, or NULL on error. The storage allocated for the result must be released with coap_delete_pdu() if coap_send() is not called.

Parameters

type	The type of the PDU (one of COAP_MESSAGE_CON, COAP_MESSAGE_NON, COAP_MESSAGE_ACK, COAP_MESSAGE_RST).
code	The message code.
tid	The transcation id to set or 0 if unknown / not applicable.
size	The maximum allowed number of byte for the message.

Returns: A pointer to the new PDU object or NULL on error.

Definition at line 79 of file pdu.c.

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◆ coap_pdu_parse()

int coap_pdu_parse	(	coap_proto_t	proto,
		const uint8_t *	data,
		size_t	length,
		coap_pdu_t *	pdu
	)

Parses data into the CoAP PDU structure given in result.

The target pdu must be large enough to This function returns 0 on error or a number greater than zero on success.

Parameters

proto	Session's protocol
data	The raw data to parse as CoAP PDU.
length	The actual size of `data`.
pdu	The PDU structure to fill. Note that the structure must provide space to hold at least the token and options part of the message.

Returns: 1 on success or 0 on error.

Definition at line 543 of file pdu.c.

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◆ coap_pdu_parse_header()

int coap_pdu_parse_header	(	coap_pdu_t *	pdu,
		coap_proto_t	proto
	)

Decode the protocol specific header for the specified PDU.

Parameters

pdu	A newly received PDU.
proto	The target wire protocol.

Returns: 1 for success or 0 on error.

Definition at line 460 of file pdu.c.

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◆ coap_pdu_parse_header_size()

size_t coap_pdu_parse_header_size	(	coap_proto_t	proto,
		const uint8_t *	data
	)

Interprets data to determine the number of bytes in the header.

This function returns 0 on error or a number greater than zero on success.

Parameters

proto	Session's protocol
data	The first byte of raw data to parse as CoAP PDU.

Returns: A value greater than zero on success or 0 on error.

Definition at line 405 of file pdu.c.

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◆ coap_pdu_parse_opt()

int coap_pdu_parse_opt ( coap_pdu_t * pdu )

Verify consistency in the given CoAP PDU structure and locate the data.

This function returns 0 on error or a number greater than zero on success. This function only parses the token and options, up to the payload start marker.

Parameters

pdu	The PDU structure to.

Returns: 1 on success or 0 on error.

Definition at line 492 of file pdu.c.

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◆ coap_pdu_parse_size()

size_t coap_pdu_parse_size	(	coap_proto_t	proto,
		const uint8_t *	data,
		size_t	length
	)

Parses data to extract the message size.

length must be at least coap_pdu_parse_header_size(proto, data). This function returns 0 on error or a number greater than zero on success.

Parameters

proto	Session's protocol
data	The raw data to parse as CoAP PDU.
length	The actual size of `data`.

Returns: A value greater than zero on success or 0 on error.

Definition at line 428 of file pdu.c.

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◆ coap_pdu_resize()

int coap_pdu_resize	(	coap_pdu_t *	pdu,
		size_t	new_size
	)

Dynamically grows the size of pdu to new_size.

The new size must not exceed the PDU's configure maximum size. On success, this function returns 1, otherwise 0.

Parameters

pdu	The PDU to resize.
new_size	The new size in bytes.

Returns: 1 if the operation succeeded, 0 otherwise.

Definition at line 140 of file pdu.c.

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◆ coap_response_phrase()

const char* coap_response_phrase ( unsigned char code )

Returns a human-readable response phrase for the specified CoAP response code.

This function returns NULL if not found.

Parameters

code	The response code for which the literal phrase should be retrieved.

Returns: A zero-terminated string describing the error, or NULL if not found.

Definition at line 370 of file pdu.c.

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Data Structures

Macros

Typedefs

Functions

Detailed Description

Macro Definition Documentation

◆ COAP_DEBUG_BUF_SIZE

◆ COAP_DEFAULT_MAX_AGE

◆ COAP_DEFAULT_MAX_PDU_RX_SIZE

◆ COAP_DEFAULT_MTU

◆ COAP_DEFAULT_PORT

◆ COAP_DEFAULT_SCHEME

◆ COAP_DEFAULT_URI_WELLKNOWN

◆ COAP_DEFAULT_VERSION

◆ COAP_DROPPED_RESPONSE

◆ COAP_ERROR_PHRASE_LENGTH

◆ COAP_INVALID_TID

◆ COAP_MAX_MESSAGE_SIZE_TCP0

◆ COAP_MAX_MESSAGE_SIZE_TCP16

◆ COAP_MAX_MESSAGE_SIZE_TCP32

◆ COAP_MAX_MESSAGE_SIZE_TCP8

◆ COAP_MAX_OPT

◆ COAP_MEDIATYPE_ANY

◆ COAP_MEDIATYPE_APPLICATION_CBOR

◆ COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT

◆ COAP_MEDIATYPE_APPLICATION_COSE_ENCRYPT0

◆ COAP_MEDIATYPE_APPLICATION_COSE_KEY

◆ COAP_MEDIATYPE_APPLICATION_COSE_KEY_SET

◆ COAP_MEDIATYPE_APPLICATION_COSE_MAC

◆ COAP_MEDIATYPE_APPLICATION_COSE_MAC0

◆ COAP_MEDIATYPE_APPLICATION_COSE_SIGN

◆ COAP_MEDIATYPE_APPLICATION_COSE_SIGN1

◆ COAP_MEDIATYPE_APPLICATION_EXI

◆ COAP_MEDIATYPE_APPLICATION_JSON

◆ COAP_MEDIATYPE_APPLICATION_LINK_FORMAT

◆ COAP_MEDIATYPE_APPLICATION_OCTET_STREAM

◆ COAP_MEDIATYPE_APPLICATION_RDF_XML

◆ COAP_MEDIATYPE_APPLICATION_SENML_CBOR

◆ COAP_MEDIATYPE_APPLICATION_SENML_EXI

◆ COAP_MEDIATYPE_APPLICATION_SENML_JSON

◆ COAP_MEDIATYPE_APPLICATION_SENML_XML

◆ COAP_MEDIATYPE_APPLICATION_SENSML_CBOR

◆ COAP_MEDIATYPE_APPLICATION_SENSML_EXI

◆ COAP_MEDIATYPE_APPLICATION_SENSML_JSON

◆ COAP_MEDIATYPE_APPLICATION_SENSML_XML

◆ COAP_MEDIATYPE_APPLICATION_XML

◆ COAP_MEDIATYPE_TEXT_PLAIN

◆ COAP_MESSAGE_ACK

◆ COAP_MESSAGE_CON

◆ COAP_MESSAGE_NON

◆ COAP_MESSAGE_RST

◆ COAP_MESSAGE_SIZE_OFFSET_TCP16

◆ COAP_MESSAGE_SIZE_OFFSET_TCP32

◆ COAP_MESSAGE_SIZE_OFFSET_TCP8

◆ COAP_OPT_END

◆ COAP_OPT_LONG

◆ COAP_OPTION_ACCEPT

◆ COAP_OPTION_BLOCK1

◆ COAP_OPTION_BLOCK2

◆ COAP_OPTION_CONTENT_FORMAT

◆ COAP_OPTION_CONTENT_TYPE

◆ COAP_OPTION_DATA

◆ COAP_OPTION_ETAG

◆ COAP_OPTION_IF_MATCH

◆ COAP_OPTION_IF_NONE_MATCH

◆ COAP_OPTION_KEY

◆ COAP_OPTION_LENGTH

◆ COAP_OPTION_LOCATION_PATH

◆ COAP_OPTION_LOCATION_QUERY

◆ COAP_OPTION_MAXAGE

◆ COAP_OPTION_NORESPONSE

◆ COAP_OPTION_OBSERVE

◆ COAP_OPTION_PROXY_SCHEME

◆ COAP_OPTION_PROXY_URI

◆ COAP_OPTION_SIZE1

◆ COAP_OPTION_SIZE2

◆ COAP_OPTION_SUBSCRIPTION

◆ COAP_OPTION_URI_HOST

◆ COAP_OPTION_URI_PATH

◆ COAP_OPTION_URI_PORT