60#define COAP_MAX_PACKET_SIZE (COAP_MAX_HEADER_SIZE + COAP_MAX_CHUNK_SIZE)
63#ifndef COAP_MAX_BLOCK_SIZE
64#define COAP_MAX_BLOCK_SIZE (COAP_MAX_CHUNK_SIZE < 32 ? 16 : \
65 (COAP_MAX_CHUNK_SIZE < 64 ? 32 : \
66 (COAP_MAX_CHUNK_SIZE < 128 ? 64 : \
67 (COAP_MAX_CHUNK_SIZE < 256 ? 128 : \
68 (COAP_MAX_CHUNK_SIZE < 512 ? 256 : \
69 (COAP_MAX_CHUNK_SIZE < 1024 ? 512 : \
70 (COAP_MAX_CHUNK_SIZE < 2048 ? 1024 : 2048)))))))
74#define COAP_OPTION_MAP_SIZE (sizeof(uint8_t) * 8)
81 coap_message_type_t type;
86 uint8_t token[COAP_TOKEN_LEN];
88 uint8_t options[COAP_OPTION_SIZE1 / COAP_OPTION_MAP_SIZE + 1];
90 uint16_t content_format;
93 uint8_t etag[COAP_ETAG_LEN];
95 const char *proxy_uri;
96 size_t proxy_scheme_len;
97 const char *proxy_scheme;
100 size_t location_path_len;
101 const char *location_path;
103 size_t location_query_len;
104 const char *location_query;
106 const char *uri_path;
109 uint8_t if_match_len;
110 uint8_t if_match[COAP_ETAG_LEN];
113 uint16_t block2_size;
114 uint32_t block2_offset;
117 uint16_t block1_size;
118 uint32_t block1_offset;
121 size_t uri_query_len;
122 const char *uri_query;
123 uint8_t if_none_match;
125 const coap_endpoint_t *src_ep;
127 uint16_t payload_len;
132coap_set_option(coap_message_t *message,
unsigned int opt)
134 if(opt > COAP_OPTION_SIZE1) {
137 message->options[opt / COAP_OPTION_MAP_SIZE] |= 1 << (opt % COAP_OPTION_MAP_SIZE);
142coap_is_option(
const coap_message_t *message,
unsigned int opt)
144 return (opt <= COAP_OPTION_SIZE1) &&
145 (message->options[opt / COAP_OPTION_MAP_SIZE] & (1 << (opt % COAP_OPTION_MAP_SIZE))) != 0;
149#define COAP_SERIALIZE_INT_OPTION(number, field, text) \
150 if(coap_is_option(coap_pkt, number)) { \
151 LOG_DBG(text " [%u]\n", (unsigned int)coap_pkt->field); \
152 option += coap_serialize_int_option(number, current_number, option, coap_pkt->field); \
153 current_number = number; \
155#define COAP_SERIALIZE_BYTE_OPTION(number, field, text) \
156 if(coap_is_option(coap_pkt, number)) { \
157 LOG_DBG(text " %u [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n", (unsigned int)coap_pkt->field##_len, \
158 coap_pkt->field[0], \
159 coap_pkt->field[1], \
160 coap_pkt->field[2], \
161 coap_pkt->field[3], \
162 coap_pkt->field[4], \
163 coap_pkt->field[5], \
164 coap_pkt->field[6], \
167 option += coap_serialize_array_option(number, current_number, option, coap_pkt->field, coap_pkt->field##_len, '\0'); \
168 current_number = number; \
170#define COAP_SERIALIZE_STRING_OPTION(number, field, splitter, text) \
171 if(coap_is_option(coap_pkt, number)) { \
172 LOG_DBG(text " ["); \
173 LOG_DBG_COAP_STRING(coap_pkt->field, coap_pkt->field##_len); \
175 option += coap_serialize_array_option(number, current_number, option, (uint8_t *)coap_pkt->field, coap_pkt->field##_len, splitter); \
176 current_number = number; \
178#define COAP_SERIALIZE_BLOCK_OPTION(number, field, text) \
179 if(coap_is_option(coap_pkt, number)) { \
180 LOG_DBG(text " [%lu%s (%u B/blk)]\n", (unsigned long)coap_pkt->field##_num, coap_pkt->field##_more ? "+" : "", coap_pkt->field##_size); \
181 uint32_t block = coap_pkt->field##_num << 4; \
182 if(coap_pkt->field##_more) { block |= 0x8; } \
183 block |= 0xF & coap_log_2(coap_pkt->field##_size / 16); \
184 LOG_DBG(text " encoded: 0x%lX\n", (unsigned long)block); \
185 option += coap_serialize_int_option(number, current_number, option, block); \
186 current_number = number; \
190extern coap_status_t coap_status_code;
191extern const char *coap_error_message;
193void coap_init_connection(
void);
194uint16_t coap_get_mid(
void);
196void coap_init_message(coap_message_t *message, coap_message_type_t type,
197 uint8_t code, uint16_t mid);
198size_t coap_serialize_message(coap_message_t *message, uint8_t *buffer);
199coap_status_t coap_parse_message(coap_message_t *request, uint8_t *data,
202int coap_get_query_variable(coap_message_t *message,
const char *name,
204int coap_get_post_variable(coap_message_t *message,
const char *name,
208coap_get_method_type(coap_message_t *message)
213static inline const coap_endpoint_t *
214coap_get_src_endpoint(coap_message_t *request)
216 return request->src_ep;
220coap_set_src_endpoint(coap_message_t *request,
const coap_endpoint_t *ep)
222 request->src_ep = ep;
226int coap_set_status_code(coap_message_t *message,
unsigned int code);
228int coap_set_token(coap_message_t *message,
const uint8_t *token,
231int coap_get_header_content_format(coap_message_t *message,
unsigned int *format);
232int coap_set_header_content_format(coap_message_t *message,
unsigned int format);
234int coap_get_header_accept(coap_message_t *message,
unsigned int *
accept);
235int coap_set_header_accept(coap_message_t *message,
unsigned int accept);
237int coap_get_header_max_age(coap_message_t *message, uint32_t *age);
238int coap_set_header_max_age(coap_message_t *message, uint32_t age);
240int coap_get_header_etag(coap_message_t *message,
const uint8_t **etag);
241int coap_set_header_etag(coap_message_t *message,
const uint8_t *etag,
244int coap_get_header_if_match(coap_message_t *message,
const uint8_t **etag);
245int coap_set_header_if_match(coap_message_t *message,
const uint8_t *etag,
248int coap_get_header_if_none_match(coap_message_t *message);
249int coap_set_header_if_none_match(coap_message_t *message);
252int coap_get_header_proxy_uri(coap_message_t *message,
const char **uri);
253int coap_set_header_proxy_uri(coap_message_t *message,
const char *uri);
256int coap_get_header_proxy_scheme(coap_message_t *message,
const char **scheme);
257int coap_set_header_proxy_scheme(coap_message_t *message,
const char *scheme);
260int coap_get_header_uri_host(coap_message_t *message,
const char **host);
261int coap_set_header_uri_host(coap_message_t *message,
const char *host);
264int coap_get_header_uri_path(coap_message_t *message,
const char **path);
265int coap_set_header_uri_path(coap_message_t *message,
const char *path);
268int coap_get_header_uri_query(coap_message_t *message,
const char **query);
269int coap_set_header_uri_query(coap_message_t *message,
const char *query);
272int coap_get_header_location_path(coap_message_t *message,
const char **path);
274int coap_set_header_location_path(coap_message_t *message,
const char *path);
277int coap_get_header_location_query(coap_message_t *message,
const char **query);
278int coap_set_header_location_query(coap_message_t *message,
const char *query);
280int coap_get_header_observe(coap_message_t *message, uint32_t *observe);
281int coap_set_header_observe(coap_message_t *message, uint32_t observe);
283int coap_get_header_block2(coap_message_t *message, uint32_t *num, uint8_t *more,
284 uint16_t *size, uint32_t *offset);
285int coap_set_header_block2(coap_message_t *message, uint32_t num, uint8_t more,
288int coap_get_header_block1(coap_message_t *message, uint32_t *num, uint8_t *more,
289 uint16_t *size, uint32_t *offset);
290int coap_set_header_block1(coap_message_t *message, uint32_t num, uint8_t more,
293int coap_get_header_size2(coap_message_t *message, uint32_t *size);
294int coap_set_header_size2(coap_message_t *message, uint32_t size);
296int coap_get_header_size1(coap_message_t *message, uint32_t *size);
297int coap_set_header_size1(coap_message_t *message, uint32_t size);
299int coap_get_payload(coap_message_t *message,
const uint8_t **payload);
300int coap_set_payload(coap_message_t *message,
const void *payload,
size_t length);
Collection of default configuration values.
Collection of constants specified in the CoAP standard.
coap_resource_flags_t
Resource flags for allowed methods and special functionalities.
static uint8_t accept(uint8_t in)
static uint8_t output(const linkaddr_t *localdest)
Take an IP packet and format it to be sent on an 802.15.4 network using 6lowpan.