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Import app manager, samples and test-tools

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wenyongh
2019-05-17 17:15:25 +08:00
parent b6e29e2153
commit dd5b133fa5
164 changed files with 21123 additions and 496 deletions
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38
core/shared-lib/coap/LICENSE Normal file
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Contiki is licensed under the 3-clause BSD license. This license gives
everyone the right to use and distribute the code, either in binary or
source code format, as long as the copyright license is retained in
the source code.
The copyright for different parts of the code is held by different
people and organizations, but the code is licensed under the same type
of license. The license text is:
* Copyright (c) (Year), (Name of copyright holder)
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.

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# Copyright (C) 2019 Intel Corporation. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
COAP_ROOT=${ZEPHYR_BASE}/subsys/aee/Beihai/runtime/utils/coap
subdir-ccflags-y += -I${COAP_ROOT}/er-coap -I${COAP_ROOT}/extension
obj-y += er-coap/
obj-y += extension/

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core/shared-lib/coap/er-coap/Makefile Normal file
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# Copyright (C) 2019 Intel Corporation. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
obj-y += er-coap.o

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core/shared-lib/coap/er-coap/er-coap-conf.h Executable file
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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>
*/
#ifndef ER_COAP_CONF_H_
#define ER_COAP_CONF_H_
/* Features that can be disabled to achieve smaller memory footprint */
#define COAP_LINK_FORMAT_FILTERING 0
#define COAP_PROXY_OPTION_PROCESSING 0
/* Listening port for the CoAP REST Engine */
#ifndef COAP_SERVER_PORT
#define COAP_SERVER_PORT COAP_DEFAULT_PORT
#endif
/* 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 512
//(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. */
#define COAP_OBSERVE_REFRESH_INTERVAL 20
#endif /* ER_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 constants specified in the CoAP standard.
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#ifndef ER_COAP_CONSTANTS_H_
#define ER_COAP_CONSTANTS_H_
#define COAP_DEFAULT_PORT 5683
#define COAP_DEFAULT_MAX_AGE 60
#define COAP_RESPONSE_TIMEOUT 3
#define COAP_RESPONSE_RANDOM_FACTOR 1.5
#define COAP_MAX_RETRANSMIT 4
#define COAP_HEADER_LEN 4 /* | version:0x03 type:0x0C tkl:0xF0 | code | mid:0x00FF | mid:0xFF00 | */
#define COAP_TOKEN_LEN 8 /* The maximum number of bytes for the Token */
#define COAP_ETAG_LEN 8 /* The maximum number of bytes for the ETag */
#define COAP_HEADER_VERSION_MASK 0xC0
#define COAP_HEADER_VERSION_POSITION 6
#define COAP_HEADER_TYPE_MASK 0x30
#define COAP_HEADER_TYPE_POSITION 4
#define COAP_HEADER_TOKEN_LEN_MASK 0x0F
#define COAP_HEADER_TOKEN_LEN_POSITION 0
#define COAP_HEADER_OPTION_DELTA_MASK 0xF0
#define COAP_HEADER_OPTION_SHORT_LENGTH_MASK 0x0F
/* CoAP message types */
typedef enum {
COAP_TYPE_CON, /* confirmables */
COAP_TYPE_NON, /* non-confirmables */
COAP_TYPE_ACK, /* acknowledgements */
COAP_TYPE_RST /* reset */
} coap_message_type_t;
/* CoAP request method codes */
typedef enum {
COAP_GET = 1, COAP_POST, COAP_PUT, COAP_DELETE
} coap_method_t;
/* CoAP response codes */
typedef enum {
NO_ERROR = 0,
CREATED_2_01 = 65, /* CREATED */
DELETED_2_02 = 66, /* DELETED */
VALID_2_03 = 67, /* NOT_MODIFIED */
CHANGED_2_04 = 68, /* CHANGED */
CONTENT_2_05 = 69, /* OK */
CONTINUE_2_31 = 95, /* CONTINUE */
BAD_REQUEST_4_00 = 128, /* BAD_REQUEST */
UNAUTHORIZED_4_01 = 129, /* UNAUTHORIZED */
BAD_OPTION_4_02 = 130, /* BAD_OPTION */
FORBIDDEN_4_03 = 131, /* FORBIDDEN */
NOT_FOUND_4_04 = 132, /* NOT_FOUND */
METHOD_NOT_ALLOWED_4_05 = 133, /* METHOD_NOT_ALLOWED */
NOT_ACCEPTABLE_4_06 = 134, /* NOT_ACCEPTABLE */
PRECONDITION_FAILED_4_12 = 140, /* BAD_REQUEST */
REQUEST_ENTITY_TOO_LARGE_4_13 = 141, /* REQUEST_ENTITY_TOO_LARGE */
UNSUPPORTED_MEDIA_TYPE_4_15 = 143, /* UNSUPPORTED_MEDIA_TYPE */
INTERNAL_SERVER_ERROR_5_00 = 160, /* INTERNAL_SERVER_ERROR */
NOT_IMPLEMENTED_5_01 = 161, /* NOT_IMPLEMENTED */
BAD_GATEWAY_5_02 = 162, /* BAD_GATEWAY */
SERVICE_UNAVAILABLE_5_03 = 163, /* SERVICE_UNAVAILABLE */
GATEWAY_TIMEOUT_5_04 = 164, /* GATEWAY_TIMEOUT */
PROXYING_NOT_SUPPORTED_5_05 = 165, /* PROXYING_NOT_SUPPORTED */
/* Erbium errors */
MEMORY_ALLOCATION_ERROR = 192, PACKET_SERIALIZATION_ERROR,
/* Erbium hooks */
MANUAL_RESPONSE, PING_RESPONSE
} coap_status_t;
/* CoAP header option numbers */
typedef enum {
COAP_OPTION_IF_MATCH = 1, /* 0-8 B */
COAP_OPTION_URI_HOST = 3, /* 1-255 B */
COAP_OPTION_ETAG = 4, /* 1-8 B */
COAP_OPTION_IF_NONE_MATCH = 5, /* 0 B */
COAP_OPTION_OBSERVE = 6, /* 0-3 B */
COAP_OPTION_URI_PORT = 7, /* 0-2 B */
COAP_OPTION_LOCATION_PATH = 8, /* 0-255 B */
COAP_OPTION_URI_PATH = 11, /* 0-255 B */
COAP_OPTION_CONTENT_FORMAT = 12, /* 0-2 B */
COAP_OPTION_MAX_AGE = 14, /* 0-4 B */
COAP_OPTION_URI_QUERY = 15, /* 0-255 B */
COAP_OPTION_ACCEPT = 17, /* 0-2 B */
COAP_OPTION_LOCATION_QUERY = 20, /* 0-255 B */
COAP_OPTION_BLOCK2 = 23, /* 1-3 B */
COAP_OPTION_BLOCK1 = 27, /* 1-3 B */
COAP_OPTION_SIZE2 = 28, /* 0-4 B */
COAP_OPTION_PROXY_URI = 35, /* 1-1034 B */
COAP_OPTION_PROXY_SCHEME = 39, /* 1-255 B */
COAP_OPTION_SIZE1 = 60, /* 0-4 B */
} coap_option_t;
/* CoAP Content-Formats */
typedef enum {
TEXT_PLAIN = 0,
TEXT_XML = 1,
TEXT_CSV = 2,
TEXT_HTML = 3,
IMAGE_GIF = 21,
IMAGE_JPEG = 22,
IMAGE_PNG = 23,
IMAGE_TIFF = 24,
AUDIO_RAW = 25,
VIDEO_RAW = 26,
APPLICATION_LINK_FORMAT = 40,
APPLICATION_XML = 41,
APPLICATION_OCTET_STREAM = 42,
APPLICATION_RDF_XML = 43,
APPLICATION_SOAP_XML = 44,
APPLICATION_ATOM_XML = 45,
APPLICATION_XMPP_XML = 46,
APPLICATION_EXI = 47,
APPLICATION_FASTINFOSET = 48,
APPLICATION_SOAP_FASTINFOSET = 49,
APPLICATION_JSON = 50,
APPLICATION_X_OBIX_BINARY = 51
} coap_content_format_t;
#endif /* ER_COAP_CONSTANTS_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
* An implementation of the Constrained Application Protocol (RFC).
* \author
* Matthias Kovatsch <kovatsch@inf.ethz.ch>
*/
#ifndef ER_COAP_H_
#define ER_COAP_H_
#include "../extension/coap_platforms.h"
#include <stddef.h> /* for size_t */
#include <stdint.h>
//#include "contiki-net.h"
#include "er-coap-constants.h"
#include "er-coap-conf.h"
#ifdef __cplusplus
extern "C" {
#endif
/* sanity check for configured values */
#define COAP_MAX_PACKET_SIZE (COAP_MAX_HEADER_SIZE + REST_MAX_CHUNK_SIZE)
/*#if COAP_MAX_PACKET_SIZE > (UIP_BUFSIZE - UIP_IPH_LEN - UIP_UDPH_LEN)
#error "UIP_CONF_BUFFER_SIZE too small for REST_MAX_CHUNK_SIZE"
#endif
*/
/* ------------------------------------------------------ */
/* ------ section added by the coap request --------- */
/* ------------------------------------------------------ */
//typedef int (*restful_response_handler)(void *response,void *data);
#define RX_TIMEOUT (-1)
typedef int (*Tx_Data)(void * coap_ctx, const uip_ipaddr_t *dst_addr, void *buf, int len);
typedef int (*Rx_Data) (void * coap_ctx, void *buf, int len, int timeout);
typedef int (*Request_Handler) (void * coap_ctx, void *);
typedef int (*CoAP_Res_Handler) (void * request, void * response, char **out_payload, int * payload_len);
typedef struct _coap_resource_handler
{
struct _coap_resource_handler * next;
char * url;
CoAP_Res_Handler get_handler;
CoAP_Res_Handler put_handler;
CoAP_Res_Handler post_handler;
CoAP_Res_Handler other_handler; // create | delete
}coap_resource_handler_t;
typedef struct res_block_state
{
struct res_block_state * next;
char * url;
void * buffer;
int buffer_size;
uint32_t block_num;
uint16_t block_size;
uint16_t content_fmt;
uint32_t last_access;
uint8_t is_get;
} res_block_state_t;
typedef struct peer_block_state
{
struct peer_block_state * next;
struct net_addr_coap peer_addr;
res_block_state_t * list;
}peer_block_state_t;
typedef struct coap_context {
uint8_t * buf;
uint32_t buf_len; // the data length
uint32_t buf_size; // the malloced buffer size
struct net_addr_coap my_addr;
// the address associated with current buffer
struct net_addr_coap src_addr;
uint8_t status;
uint8_t is_used;
uint8_t response_on_not_found;
uint16_t default_retrans_cnt;
uint32_t default_retrans_ms;
Tx_Data tx_data;
Rx_Data rx_data;
int socket;
char * user_data;
peer_block_state_t * blockwise_list;
coap_resource_handler_t * resource_handlers;
void * transactions;
void * transaction_lock;
uint32_t last_checktime;
void * request_handler;
#ifdef WITH_DTLS
struct dtls_context_t *dtls_context;
dtls_handler_t dtls_handler;
struct process *process;
#endif /* WITH_DTLS */
} coap_context_t;
int add_resource_handler(coap_context_t * coap_ctx, coap_resource_handler_t * handler);
// coap_context_t * coap_context_new(uip_ipaddr_t *my_addr, uint16_t my_port); //CANNOTBUILD
void coap_context_close(coap_context_t *coap_ctx);
void coap_ctx_send(coap_context_t *coap_ctx, uint8_t *data,
uint16_t length);
/* ---------------- end of section ------------------ */
/* use Erbium CoAP for the REST Engine. Must come before include of rest-engine.h. */
//#define REST coap_rest_implementation
//#include "rest-engine.h"
/* REST_MAX_CHUNK_SIZE can be different from 2^x so we need to get next lower 2^x for COAP_MAX_BLOCK_SIZE */
#ifndef COAP_MAX_BLOCK_SIZE
#define COAP_MAX_BLOCK_SIZE (REST_MAX_CHUNK_SIZE < 32 ? 16 : \
(REST_MAX_CHUNK_SIZE < 64 ? 32 : \
(REST_MAX_CHUNK_SIZE < 128 ? 64 : \
(REST_MAX_CHUNK_SIZE < 256 ? 128 : \
(REST_MAX_CHUNK_SIZE < 512 ? 256 : \
(REST_MAX_CHUNK_SIZE < 1024 ? 512 : \
(REST_MAX_CHUNK_SIZE < 2048 ? 1024 : 2048)))))))
#endif /* COAP_MAX_BLOCK_SIZE */
/* direct access into the buffer */
#define UIP_IP_BUF ((struct uip_ip_hdr *)&uip_buf[UIP_LLH_LEN])
#ifdef NETSTACK_CONF_WITH_IPV6
#define UIP_UDP_BUF ((struct uip_udp_hdr *)&uip_buf[uip_l2_l3_hdr_len])
#else
#define UIP_UDP_BUF ((struct uip_udp_hdr *)&uip_buf[UIP_LLH_LEN + UIP_IPH_LEN])
#endif
/* bitmap for set options */
enum { OPTION_MAP_SIZE = sizeof(uint8_t) * 8 };
#define SET_OPTION(packet, opt) ((packet)->options[opt / OPTION_MAP_SIZE] |= 1 << (opt % OPTION_MAP_SIZE))
#define IS_OPTION(packet, opt) ((packet)->options[opt / OPTION_MAP_SIZE] & (1 << (opt % OPTION_MAP_SIZE)))
/* parsed message struct */
typedef struct {
uint8_t *buffer; /* pointer to CoAP header / incoming packet buffer / memory to serialize packet */
uint8_t version;
coap_message_type_t type;
uint8_t code;
uint16_t mid;
uint8_t token_len;
uint8_t token[COAP_TOKEN_LEN];
uint8_t options[COAP_OPTION_SIZE1 / OPTION_MAP_SIZE + 1]; /* bitmap to check if option is set */
coap_content_format_t content_format; /* parse options once and store; allows setting options in random order */
uint32_t max_age;
uint8_t etag_len;
uint8_t etag[COAP_ETAG_LEN];
size_t proxy_uri_len;
const char *proxy_uri;
size_t proxy_scheme_len;
const char *proxy_scheme;
size_t uri_host_len;
const char *uri_host;
size_t location_path_len;
const char *location_path;
uint16_t uri_port;
size_t location_query_len;
const char *location_query;
size_t uri_path_len;
const char *uri_path;
int32_t observe;
coap_content_format_t accept;
uint8_t if_match_len;
uint8_t if_match[COAP_ETAG_LEN];
uint32_t block2_num;
uint8_t block2_more;
uint32_t block2_size;
uint32_t block2_offset;
uint32_t block1_num;
uint8_t block1_more;
uint32_t block1_size;
uint32_t block1_offset;
uint32_t size2;
uint32_t size1;
size_t uri_query_len;
const char *uri_query;
uint8_t if_none_match;
uint32_t payload_len;
uint8_t *payload;
} coap_packet_t;
/* option format serialization */
#define COAP_SERIALIZE_INT_OPTION(number, field, text) \
if(IS_OPTION(coap_pkt, number)) { \
PRINTF(text " [%u]\n", coap_pkt->field); \
option += coap_serialize_int_option(number, current_number, option, coap_pkt->field); \
current_number = number; \
}
#define COAP_SERIALIZE_BYTE_OPTION(number, field, text) \
if(IS_OPTION(coap_pkt, number)) { \
PRINTF(text " %u [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n", coap_pkt->field##_len, \
coap_pkt->field[0], \
coap_pkt->field[1], \
coap_pkt->field[2], \
coap_pkt->field[3], \
coap_pkt->field[4], \
coap_pkt->field[5], \
coap_pkt->field[6], \
coap_pkt->field[7] \
); /* FIXME always prints 8 bytes */ \
option += coap_serialize_array_option(number, current_number, option, coap_pkt->field, coap_pkt->field##_len, '\0'); \
current_number = number; \
}
#define COAP_SERIALIZE_STRING_OPTION(number, field, splitter, text) \
if(IS_OPTION(coap_pkt, number)) { \
PRINTF(text " [%.*s]\n", coap_pkt->field##_len, coap_pkt->field); \
option += coap_serialize_array_option(number, current_number, option, (uint8_t *)coap_pkt->field, coap_pkt->field##_len, splitter); \
current_number = number; \
}
#define COAP_SERIALIZE_BLOCK_OPTION(number, field, text) \
if(IS_OPTION(coap_pkt, number)) \
{ \
PRINTF(text " [%lu%s (%u B/blk)]\n", coap_pkt->field##_num, coap_pkt->field##_more ? "+" : "", coap_pkt->field##_size); \
uint32_t block = coap_pkt->field##_num << 4; \
if(coap_pkt->field##_more) { block |= 0x8; } \
block |= 0xF & coap_log_2(coap_pkt->field##_size / 16); \
PRINTF(text " encoded: 0x%lX\n", block); \
option += coap_serialize_int_option(number, current_number, option, block); \
current_number = number; \
}
/* to store error code and human-readable payload */
extern coap_status_t erbium_status_code;
extern char *coap_error_message;
void coap_init_connection(uint16_t port);
uint16_t coap_get_mid(void);
void coap_init_message(void *packet, coap_message_type_t type, uint8_t code,
uint16_t mid);
size_t coap_serialize_message(void *packet, uint8_t *buffer);
void coap_send_message(coap_context_t*, uip_ipaddr_t *addr, uint16_t port, uint8_t *data,
uint16_t length);
coap_status_t coap_parse_message(void *request, uint8_t *data,
uint16_t data_len);
int coap_get_query_variable(void *packet, const char *name,
const char **output);
int coap_get_post_variable(void *packet, const char *name,
const char **output);
/*---------------------------------------------------------------------------*/
int coap_set_status_code(void *packet, unsigned int code);
int coap_set_token(void *packet, const uint8_t *token, size_t token_len);
int coap_get_header_content_format(void *packet, unsigned int *format);
int coap_set_header_content_format(void *packet, unsigned int format);
int coap_get_header_accept(void *packet, unsigned int *accept);
int coap_set_header_accept(void *packet, unsigned int accept);
int coap_get_header_max_age(void *packet, uint32_t *age);
int coap_set_header_max_age(void *packet, uint32_t age);
int coap_get_header_etag(void *packet, const uint8_t **etag);
int coap_set_header_etag(void *packet, const uint8_t *etag, size_t etag_len);
int coap_get_header_if_match(void *packet, const uint8_t **etag);
int coap_set_header_if_match(void *packet, const uint8_t *etag,
size_t etag_len);
int coap_get_header_if_none_match(void *packet);
int coap_set_header_if_none_match(void *packet);
int coap_get_header_proxy_uri(void *packet, const char **uri); /* in-place string might not be 0-terminated. */
int coap_set_header_proxy_uri(void *packet, const char *uri);
int coap_get_header_proxy_scheme(void *packet, const char **scheme); /* in-place string might not be 0-terminated. */
int coap_set_header_proxy_scheme(void *packet, const char *scheme);
int coap_get_header_uri_host(void *packet, const char **host); /* in-place string might not be 0-terminated. */
int coap_set_header_uri_host(void *packet, const char *host);
int coap_get_header_uri_path(void *packet, const char **path); /* in-place string might not be 0-terminated. */
int coap_set_header_uri_path(void *packet, const char *path);
int coap_get_header_uri_query(void *packet, const char **query); /* in-place string might not be 0-terminated. */
int coap_set_header_uri_query(void *packet, const char *query);
int coap_get_header_location_path(void *packet, const char **path); /* in-place string might not be 0-terminated. */
int coap_set_header_location_path(void *packet, const char *path); /* also splits optional query into Location-Query option. */
int coap_get_header_location_query(void *packet, const char **query); /* in-place string might not be 0-terminated. */
int coap_set_header_location_query(void *packet, const char *query);
int coap_get_header_observe(void *packet, uint32_t *observe);
int coap_set_header_observe(void *packet, uint32_t observe);
int coap_get_header_block2(void *packet, uint32_t *num, uint8_t *more,
uint32_t *size, uint32_t *offset);
int coap_set_header_block2(void *packet, uint32_t num, uint8_t more,
uint32_t size);
int coap_get_header_block1(void *packet, uint32_t *num, uint8_t *more,
uint16_t *size, uint32_t *offset);
int coap_set_header_block1(void *packet, uint32_t num, uint8_t more,
uint16_t size);
int coap_get_header_size2(void *packet, uint32_t *size);
int coap_set_header_size2(void *packet, uint32_t size);
int coap_get_header_size1(void *packet, uint32_t *size);
int coap_set_header_size1(void *packet, uint32_t size);
int coap_get_payload(void *packet, const uint8_t **payload);
int coap_set_payload(void *packet, const void *payload, size_t length);
#ifdef __cplusplus
}
#endif
#endif /* ER_COAP_H_ */

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# Copyright (C) 2019 Intel Corporation. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
obj-y += coap_over_tcp.o

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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "coap_ext.h"
char * coap_get_full_url_alloc(coap_packet_t * request)
{
const char *url = NULL;
const char * query = NULL;
int url_len = coap_get_header_uri_path(request, &url);
int query_len = coap_get_header_uri_query(request, &query);
if (url_len == 0)
return NULL;
char * url_alloc = (char*) bh_malloc(url_len + 1 + query_len + 1);
memcpy(url_alloc, url, url_len);
url_alloc[url_len] = 0;
// make the url looks like /abc?e=f
if (query_len != 0) {
strcat(url_alloc, "&");
memcpy(url_alloc + strlen(url_alloc), query, query_len);
url_alloc[url_len + 1 + query_len] = 0;
}
return url_alloc;
}
void convert_request_to_coap_packet(request_t * req, coap_packet_t * packet)
{
coap_init_message(packet, COAP_TYPE_NON, req->action, req->mid);
coap_set_token(packet, (uint8_t *) &req->mid, sizeof(req->mid));
coap_set_header_content_format(packet, req->fmt);
coap_set_header_uri_path(packet, req->url);
coap_set_payload(packet, req->payload, req->payload_len);
packet->mid = req->mid;
}
void convert_response_to_coap_packet(response_t * response,
coap_packet_t * packet)
{
coap_init_message(packet, COAP_TYPE_NON, response->status, response->mid);
coap_set_token(packet, (uint8_t *) &response->mid, sizeof(response->mid));
coap_set_header_content_format(packet, response->fmt);
coap_set_payload(packet, response->payload, response->payload_len);
packet->mid = response->mid;
}
// return: the length of url.
// note: the url is probably not end with 0 due to coap packing design.
int convert_coap_packet_to_request(coap_packet_t *packet, request_t *request)
{
const char *url = NULL;
int url_len = coap_get_header_uri_path(packet, &url);
memset(request, 0, sizeof(*request));
request->action = packet->code;
request->fmt = packet->content_format;
if (packet->token_len == 4) {
request->mid = *((unsigned long *) packet->token);
} else {
request->mid = packet->mid;
}
request->payload = packet->payload;
request->payload_len = packet->payload_len;
request->url = (char *)url;
return url_len;
}
void convert_coap_packet_to_response(coap_packet_t *packet,
response_t *response)
{
memset(response, 0, sizeof(*response));
response->status = packet->code;
response->fmt = packet->content_format;
if (packet->token_len == 4) {
response->mid = *((unsigned long *) packet->token);
} else {
response->mid = packet->mid;
}
response->payload = packet->payload;
response->payload_len = packet->payload_len;
return;
}

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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COAP_EXTENSION_COAP_EXT_H_
#define COAP_EXTENSION_COAP_EXT_H_
#include "er-coap.h"
#include "shared_utils.h"
#ifdef __cplusplus
extern "C" {
#endif
#define COAP_EVENT (COAP_DELETE + 2)
char * coap_get_full_url_alloc(coap_packet_t * request);
coap_status_t coap_parse_message_tcp(void *packet, uint8_t *data,
uint32_t data_len);
int coap_serialize_message_tcp(void *packet, uint8_t ** buffer_out);
int coap_set_payload_tcp(void *packet, const void *payload, size_t length);
uint8_t coap_is_request(coap_packet_t * coap_message);
uint16_t coap_find_mid(uint8_t *buffer);
uint8_t coap_find_code(uint8_t *buffer);
void coap_change_mid(uint8_t *buffer, uint16_t id);
int add_resource_handler(coap_context_t * coap_ctx,
coap_resource_handler_t * handler);
uint32_t check_blockwise_timeout_ms(coap_context_t * coap_ctx, int timeout_sec);
int convert_coap_packet_to_request(coap_packet_t *packet, request_t *request);
void convert_coap_packet_to_response(coap_packet_t *packet,
response_t *response);
void convert_response_to_coap_packet(response_t * response,
coap_packet_t * packet);
void convert_request_to_coap_packet(request_t * req, coap_packet_t * packet);
#ifdef __cplusplus
}
#endif
#endif /* COAP_EXTENSION_COAP_EXT_H_ */

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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <string.h>
#include <stdio.h>
#include "bh_common.h"
#include "er-coap.h"
#include "coap_ext.h"
#include "er-coap-constants.h"
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("[%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x]", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#define PRINTLLADDR(lladdr) PRINTF("[%02x:%02x:%02x:%02x:%02x:%02x]", (lladdr)->addr[0], (lladdr)->addr[1], (lladdr)->addr[2], (lladdr)->addr[3], (lladdr)->addr[4], (lladdr)->addr[5])
#else
#define PRINTF(...)
#define PRINT6ADDR(addr)
#define PRINTLLADDR(addr)
#endif
extern size_t
coap_serialize_array_option(unsigned int number, unsigned int current_number,
uint8_t *buffer, uint8_t *array, size_t length, char split_char);
extern size_t
coap_serialize_int_option(unsigned int number, unsigned int current_number,
uint8_t *buffer, uint32_t value);
extern uint16_t coap_log_2(uint16_t value);
extern uint32_t coap_parse_int_option(uint8_t *bytes, size_t length);
extern void
coap_merge_multi_option(char **dst, size_t *dst_len, uint8_t *option,
size_t option_len, char separator);
/*
*
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|Len=15 | TKL | Extended Length (32 bits)
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | Code | Token (if any, TKL bytes) ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Options (if any) ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 1 1 1 1 1 1 1| Payload (if any) ...
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
int coap_set_payload_tcp(void *packet, const void *payload, size_t length)
{
coap_packet_t * const coap_pkt = (coap_packet_t *) packet;
coap_pkt->payload = (uint8_t *) payload;
coap_pkt->payload_len = MIN(REST_MAX_CHUNK_SIZE, length);
return coap_pkt->payload_len;
}
#if 0
static size_t coap_calc_ext_len_field(int len)
{
if(len < 13)
return 0;
else if(len <= (0xFF+13))
return 1;
else if(len <= (0xFFFF+269))
return 2;
else if(len < (0xFFFFFFFF+65805))
return 4;
else
return 0;
}
#endif
static size_t coap_max_options_offset(void *packet)
{
coap_packet_t * const coap_pkt = (coap_packet_t *) packet;
return 6 + coap_pkt->token_len;
}
int coap_serialize_message_tcp(void *packet, uint8_t ** buffer_out)
{
coap_packet_t * const coap_pkt = (coap_packet_t *) packet;
uint8_t buffer[128];
uint8_t *option = buffer;
unsigned int current_number = 0;
if (coap_pkt->uri_path_len > 100) {
*buffer_out = 0;
return -1;
}
/* Serialize options */
current_number = 0;
if (0 == coap_pkt->token_len) {
bh_memcpy_s(coap_pkt->token, COAP_TOKEN_LEN, &coap_pkt->mid,
sizeof(coap_pkt->mid));
coap_pkt->token_len = sizeof(coap_pkt->mid);
}PRINTF("-Serializing options at %p-\n", option);
/* The options must be serialized in the order of their number */
COAP_SERIALIZE_BYTE_OPTION(COAP_OPTION_IF_MATCH, if_match, "If-Match");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_URI_HOST, uri_host, '\0',
"Uri-Host");
COAP_SERIALIZE_BYTE_OPTION(COAP_OPTION_ETAG, etag, "ETag");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_IF_NONE_MATCH,
content_format - coap_pkt-> content_format /* hack to get a zero field */,
"If-None-Match");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_OBSERVE, observe, "Observe");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_URI_PORT, uri_port, "Uri-Port");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_LOCATION_PATH, location_path, '/',
"Location-Path");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_URI_PATH, uri_path, 0, //'/',
"Uri-Path");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_CONTENT_FORMAT, content_format,
"Content-Format");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_MAX_AGE, max_age, "Max-Age");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_URI_QUERY, uri_query, '&',
"Uri-Query");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_ACCEPT, accept, "Accept");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_LOCATION_QUERY, location_query,
'&', "Location-Query");
COAP_SERIALIZE_BLOCK_OPTION(COAP_OPTION_BLOCK2, block2, "Block2");
COAP_SERIALIZE_BLOCK_OPTION(COAP_OPTION_BLOCK1, block1, "Block1");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_SIZE2, size2, "Size2");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_PROXY_URI, proxy_uri, '\0',
"Proxy-Uri");
COAP_SERIALIZE_STRING_OPTION(COAP_OPTION_PROXY_SCHEME, proxy_scheme, '\0',
"Proxy-Scheme");
COAP_SERIALIZE_INT_OPTION(COAP_OPTION_SIZE1, size1, "Size1");
/* Pack payload */
if (coap_pkt->payload_len) {
*option = 0xFF;
++option;
}
uint32_t option_len = option - &buffer[0];
uint8_t * p = (uint8_t *) os_malloc(
coap_max_options_offset(packet) + option_len
+ coap_pkt->payload_len);
if (p == NULL)
return 0;
*buffer_out = p;
uint8_t first_4bits;
*p = (coap_pkt->token_len & 0xF);
uint32_t len = option_len + coap_pkt->payload_len;
if (len < 13) {
first_4bits = len;
*p++ |= first_4bits << 4;
} else if (len <= (0xFF + 13)) {
first_4bits = 13;
*p++ |= first_4bits << 4;
*p++ = len - 13;
} else if (len <= (0xFFFF + 269)) {
first_4bits = 14;
*p++ |= first_4bits << 4;
len -= 269;
*p = (uint8_t)(len >> 8);
p++;
*p = (uint8_t)(len & 0xFF);
p++;
} else {
first_4bits = 15;
*p++ |= first_4bits << 4;
len -= 65805;
*p++ = (uint8_t)(len >> 24);
*p++ = (uint8_t)(len >> 16);
*p++ = (uint8_t)(len >> 8);
*p++ = (uint8_t)(len & 0xFF);
}
*p = coap_pkt->code;
p++;
if (coap_pkt->token_len)
bh_memcpy_s(p, coap_pkt->token_len, coap_pkt->token,
coap_pkt->token_len);
p += coap_pkt->token_len;
bh_memcpy_s(p, option_len, buffer, option_len);
p += option_len;
bh_memcpy_s(p, coap_pkt->payload_len, coap_pkt->payload,
coap_pkt->payload_len);
p += coap_pkt->payload_len;
return (p - *buffer_out); /* packet length */
}
coap_status_t coap_parse_message_tcp(void *packet, uint8_t *data,
uint32_t data_len)
{
coap_packet_t * const coap_pkt = (coap_packet_t *) packet;
/* initialize packet */
memset(coap_pkt, 0, sizeof(coap_packet_t));
/* pointer to packet bytes */
coap_pkt->buffer = data;
/* parse header fields */
coap_pkt->version = 1;
coap_pkt->type = COAP_TYPE_NON;
coap_pkt->token_len = MIN(COAP_TOKEN_LEN, data[0] & 0xF);
coap_pkt->mid = 0;
uint8_t *p = data;
uint8_t first_4bits = data[0] >> 4;
uint32_t options_payload_size;
uint8_t ext_len_field = 0;
if (first_4bits < 13) {
options_payload_size = first_4bits;
p++;
} else if (first_4bits == 13) {
ext_len_field = 1;
options_payload_size = data[1] + 13;
p += 2;
} else if (first_4bits == 14) {
ext_len_field = 2;
options_payload_size = (uint16_t)(data[1] << 8) + data[2] + 269;
p += 3;
} else if (first_4bits == 15) {
ext_len_field = 4;
options_payload_size = (data[1] << 24) + (data[2] << 16)
+ (data[3] << 8) + data[4] + 65805;
p += 5;
}
// check the data size is smaller than the size indicated by the packet
if (ext_len_field + coap_pkt->token_len + 2 + options_payload_size
> data_len)
return BAD_REQUEST_4_00;
coap_pkt->code = *p++;
if (coap_pkt->token_len)
bh_memcpy_s(coap_pkt->token, COAP_TOKEN_LEN, p, coap_pkt->token_len);
if (coap_pkt->token_len >= 2) {
union {
uint16_t *mid;
uint8_t *token;
} mid_token_union;
mid_token_union.token = coap_pkt->token;
coap_pkt->mid = *(mid_token_union.mid);
}
p += coap_pkt->token_len;
uint8_t *current_option = p;
uint8_t * option_start = p;
/* parse options */
memset(coap_pkt->options, 0, sizeof(coap_pkt->options));
unsigned int option_number = 0;
unsigned int option_delta = 0;
size_t option_length = 0;
while (current_option < data + data_len) {
/* payload marker 0xFF, currently only checking for 0xF* because rest is reserved */
if ((current_option[0] & 0xF0) == 0xF0) {
coap_pkt->payload = ++current_option;
coap_pkt->payload_len = options_payload_size
- (coap_pkt->payload - option_start);
//coap_pkt->payload_len = data_len - (coap_pkt->payload - data);
break;
}
option_delta = current_option[0] >> 4;
option_length = current_option[0] & 0x0F;
++current_option;
/* avoids code duplication without function overhead */
unsigned int *x = &option_delta;
do {
if (*x == 13) {
*x += current_option[0];
++current_option;
} else if (*x == 14) {
*x += 255;
*x += current_option[0] << 8;
++current_option;
*x += current_option[0];
++current_option;
}
} while (x != (unsigned int*) &option_length && (x =
(unsigned int*) &option_length));
option_length = *x;
option_number += option_delta;
PRINTF("OPTION %u (delta %u, len %u): ", option_number, option_delta,
option_length);
SET_OPTION(coap_pkt, option_number);
switch (option_number) {
case COAP_OPTION_CONTENT_FORMAT:
coap_pkt->content_format = coap_parse_int_option(current_option,
option_length);
PRINTF("Content-Format [%u]\n", coap_pkt->content_format);
break;
case COAP_OPTION_MAX_AGE:
coap_pkt->max_age = coap_parse_int_option(current_option,
option_length);
PRINTF("Max-Age [%lu]\n", coap_pkt->max_age);
break;
case COAP_OPTION_ETAG:
coap_pkt->etag_len = MIN(COAP_ETAG_LEN, option_length);
bh_memcpy_s(coap_pkt->etag, COAP_ETAG_LEN, current_option,
coap_pkt->etag_len);
PRINTF("ETag %u [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n",
coap_pkt->etag_len, coap_pkt->etag[0], coap_pkt->etag[1],
coap_pkt->etag[2], coap_pkt->etag[3], coap_pkt->etag[4],
coap_pkt->etag[5], coap_pkt->etag[6], coap_pkt->etag[7]
); /*FIXME always prints 8 bytes */
break;
case COAP_OPTION_ACCEPT:
coap_pkt->accept = coap_parse_int_option(current_option,
option_length);
PRINTF("Accept [%u]\n", coap_pkt->accept);
break;
case COAP_OPTION_IF_MATCH:
/* TODO support multiple ETags */
coap_pkt->if_match_len = MIN(COAP_ETAG_LEN, option_length);
bh_memcpy_s(coap_pkt->if_match, COAP_ETAG_LEN, current_option,
coap_pkt->if_match_len);
PRINTF("If-Match %u [0x%02X%02X%02X%02X%02X%02X%02X%02X]\n",
coap_pkt->if_match_len, coap_pkt->if_match[0],
coap_pkt->if_match[1], coap_pkt->if_match[2],
coap_pkt->if_match[3], coap_pkt->if_match[4],
coap_pkt->if_match[5], coap_pkt->if_match[6],
coap_pkt->if_match[7]
); /* FIXME always prints 8 bytes */
break;
case COAP_OPTION_IF_NONE_MATCH:
coap_pkt->if_none_match = 1;
PRINTF("If-None-Match\n");
break;
case COAP_OPTION_PROXY_URI:
#if COAP_PROXY_OPTION_PROCESSING
coap_pkt->proxy_uri = (char *)current_option;
coap_pkt->proxy_uri_len = option_length;
#endif
PRINTF("Proxy-Uri NOT IMPLEMENTED [%.*s]\n", coap_pkt->proxy_uri_len,
coap_pkt->proxy_uri);
coap_error_message = "This is a constrained server (Contiki)";
return PROXYING_NOT_SUPPORTED_5_05;
break;
case COAP_OPTION_PROXY_SCHEME:
#if COAP_PROXY_OPTION_PROCESSING
coap_pkt->proxy_scheme = (char *)current_option;
coap_pkt->proxy_scheme_len = option_length;
#endif
PRINTF("Proxy-Scheme NOT IMPLEMENTED [%.*s]\n",
coap_pkt->proxy_scheme_len, coap_pkt->proxy_scheme);
coap_error_message = "This is a constrained server (Contiki)";
return PROXYING_NOT_SUPPORTED_5_05;
break;
case COAP_OPTION_URI_HOST:
coap_pkt->uri_host = (char *) current_option;
coap_pkt->uri_host_len = option_length;
PRINTF("Uri-Host [%.*s]\n", coap_pkt->uri_host_len, coap_pkt->uri_host);
break;
case COAP_OPTION_URI_PORT:
coap_pkt->uri_port = coap_parse_int_option(current_option,
option_length);
PRINTF("Uri-Port [%u]\n", coap_pkt->uri_port);
break;
case COAP_OPTION_URI_PATH:
/* coap_merge_multi_option() operates in-place on the IPBUF, but final packet field should be const string -> cast to string */
coap_merge_multi_option((char **) &(coap_pkt->uri_path),
&(coap_pkt->uri_path_len), current_option, option_length,
'/');
PRINTF("Uri-Path [%.*s]\n", coap_pkt->uri_path_len, coap_pkt->uri_path);
break;
case COAP_OPTION_URI_QUERY:
/* coap_merge_multi_option() operates in-place on the IPBUF, but final packet field should be const string -> cast to string */
coap_merge_multi_option((char **) &(coap_pkt->uri_query),
&(coap_pkt->uri_query_len), current_option, option_length,
'&');
PRINTF("Uri-Query [%.*s]\n", coap_pkt->uri_query_len,
coap_pkt->uri_query);
break;
case COAP_OPTION_LOCATION_PATH:
/* coap_merge_multi_option() operates in-place on the IPBUF, but final packet field should be const string -> cast to string */
coap_merge_multi_option((char **) &(coap_pkt->location_path),
&(coap_pkt->location_path_len), current_option,
option_length, '/');
PRINTF("Location-Path [%.*s]\n", coap_pkt->location_path_len,
coap_pkt->location_path);
break;
case COAP_OPTION_LOCATION_QUERY:
/* coap_merge_multi_option() operates in-place on the IPBUF, but final packet field should be const string -> cast to string */
coap_merge_multi_option((char **) &(coap_pkt->location_query),
&(coap_pkt->location_query_len), current_option,
option_length, '&');
PRINTF("Location-Query [%.*s]\n", coap_pkt->location_query_len,
coap_pkt->location_query);
break;
case COAP_OPTION_OBSERVE:
coap_pkt->observe = coap_parse_int_option(current_option,
option_length);
PRINTF("Observe [%lu]\n", coap_pkt->observe);
break;
case COAP_OPTION_BLOCK2:
coap_pkt->block2_num = coap_parse_int_option(current_option,
option_length);
coap_pkt->block2_more = (coap_pkt->block2_num & 0x08) >> 3;
coap_pkt->block2_size = 16 << (coap_pkt->block2_num & 0x07);
coap_pkt->block2_offset = (coap_pkt->block2_num & ~0x0000000F)
<< (coap_pkt->block2_num & 0x07);
coap_pkt->block2_num >>= 4;
PRINTF("Block2 [%lu%s (%u B/blk)]\n", coap_pkt->block2_num,
coap_pkt->block2_more ? "+" : "", coap_pkt->block2_size);
break;
case COAP_OPTION_BLOCK1:
coap_pkt->block1_num = coap_parse_int_option(current_option,
option_length);
coap_pkt->block1_more = (coap_pkt->block1_num & 0x08) >> 3;
coap_pkt->block1_size = 16 << (coap_pkt->block1_num & 0x07);
coap_pkt->block1_offset = (coap_pkt->block1_num & ~0x0000000F)
<< (coap_pkt->block1_num & 0x07);
coap_pkt->block1_num >>= 4;
PRINTF("Block1 [%lu%s (%u B/blk)]\n", coap_pkt->block1_num,
coap_pkt->block1_more ? "+" : "", coap_pkt->block1_size);
break;
case COAP_OPTION_SIZE2:
coap_pkt->size2 = coap_parse_int_option(current_option,
option_length);
PRINTF("Size2 [%lu]\n", coap_pkt->size2);
break;
case COAP_OPTION_SIZE1:
coap_pkt->size1 = coap_parse_int_option(current_option,
option_length);
PRINTF("Size1 [%lu]\n", coap_pkt->size1);
break;
default:
PRINTF("unknown (%u)\n", option_number);
/* check if critical (odd) */
if (option_number & 1) {
coap_error_message = "Unsupported critical option";
return BAD_OPTION_4_02;
}
}
current_option += option_length;
} /* for */
PRINTF("-Done parsing-------\n");
return NO_ERROR;
}

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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef COAP_PLATFORMS_H_
#define COAP_PLATFORMS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "bh_platform.h"
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
/*#include "list_coap.h"*/
#include <stdbool.h>
#define COAP_TRANS_LOCK(ctx) coap_lock(ctx->transaction_lock)
#define COAP_TRANS_UNLOCK(ctx ) coap_unlock(ctx->transaction_lock)
/* REST_MAX_CHUNK_SIZE is the max size of payload.
* 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 REST_MAX_CHUNK_SIZE
#define REST_MAX_CHUNK_SIZE (1024*1024)
#endif
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif /* MIN */
#define CLOCK_SECOND 1000
typedef enum {
A_Raw, A_Sock_Addr, A_IP_Addr, A_Custom
} Net_Addr_Type;
#define NET_ADDR_RAW_SIZE 32
typedef struct net_addr_coap {
Net_Addr_Type addr_type;
union {
char raw[NET_ADDR_RAW_SIZE];
struct sockaddr_in sock_addr;
} u;
uint16_t port;
uint16_t addr_len;
} net_addr_t;
#define uip_ipaddr_t struct net_addr_coap
#define memb_free(x, y) free(x)
void set_addr_ip(uip_ipaddr_t *, char * ip, int port);
uip_ipaddr_t * new_net_addr(Net_Addr_Type type);
void copy_net_addr(uip_ipaddr_t * dest, uip_ipaddr_t * src);
bool compare_net_addr(uip_ipaddr_t * dest, uip_ipaddr_t * src);
uint32_t get_elpased_ms(uint32_t * last_system_clock);
uint32_t get_platform_time();
uint32_t get_platform_time_sec();
void coap_sleep_ms(uint32_t ms);
void coap_lock(void *);
void coap_unlock(void *);
void * coap_create_lock();
void coap_free_lock(void *);
void *xalloc(uint32_t size);
#define os_malloc bh_malloc
#define os_free bh_free
#ifdef __cplusplus
}
#endif
#endif /* COAP_PLATFORMS_H_ */

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# Copyright (C) 2019 Intel Corporation. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set (LIB_COAP_DIR ${CMAKE_CURRENT_LIST_DIR})
include_directories(${LIB_COAP_DIR}/er-coap)
include_directories(${LIB_COAP_DIR}/extension)
file (GLOB_RECURSE source_all ${LIB_COAP_DIR}/*.c)
set (LIB_COAP_SOURCE ${source_all})