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sn_coap_builder.c@2:05e4cd1a1542, 2014-07-14 (annotated)

Committer:
bjblazkowicz
Date:
Mon Jul 14 12:33:59 2014 +0000
Revision:
2:05e4cd1a1542
Parent:
0:f6e4e1bbb3fe 
WIP - registration is broken in this commit.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GeofferyOmlette 0:f6e4e1bbb3fe 1 /**
GeofferyOmlette 0:f6e4e1bbb3fe 2 * \file sn_coap_builder.c
GeofferyOmlette 0:f6e4e1bbb3fe 3 *
GeofferyOmlette 0:f6e4e1bbb3fe 4 * \brief CoAP Message builder
GeofferyOmlette 0:f6e4e1bbb3fe 5 *
GeofferyOmlette 0:f6e4e1bbb3fe 6 * Functionality: Builds CoAP message
GeofferyOmlette 0:f6e4e1bbb3fe 7 *
GeofferyOmlette 0:f6e4e1bbb3fe 8 * Created on: Jun 30, 2011
GeofferyOmlette 0:f6e4e1bbb3fe 9 * Author: tero
GeofferyOmlette 0:f6e4e1bbb3fe 10 *
GeofferyOmlette 0:f6e4e1bbb3fe 11 * \note Supports draft-ietf-core-coap-18
GeofferyOmlette 0:f6e4e1bbb3fe 12 */
GeofferyOmlette 0:f6e4e1bbb3fe 13
GeofferyOmlette 0:f6e4e1bbb3fe 14 /* * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 15 /* * * * INCLUDE FILES * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 16 /* * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 17
GeofferyOmlette 0:f6e4e1bbb3fe 18 #include <string.h> /* For memset() and memcpy() */
GeofferyOmlette 0:f6e4e1bbb3fe 19
GeofferyOmlette 0:f6e4e1bbb3fe 20 #include "nsdl_types.h"
GeofferyOmlette 0:f6e4e1bbb3fe 21 #include "sn_nsdl.h"
GeofferyOmlette 0:f6e4e1bbb3fe 22 #include "sn_coap_header.h"
GeofferyOmlette 0:f6e4e1bbb3fe 23 #include "sn_coap_header_internal.h"
GeofferyOmlette 0:f6e4e1bbb3fe 24 #include "sn_coap_protocol_internal.h"
GeofferyOmlette 0:f6e4e1bbb3fe 25
GeofferyOmlette 0:f6e4e1bbb3fe 26 /* * * * LOCAL FUNCTION PROTOTYPES * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 27 static int8_t sn_coap_builder_header_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 28 static int8_t sn_coap_builder_options_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 29 static uint16_t sn_coap_builder_options_calc_option_size(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option);
GeofferyOmlette 0:f6e4e1bbb3fe 30 static int16_t sn_coap_builder_options_build_add_one_option(uint8_t **dst_packet_data_pptr, uint16_t option_len, uint8_t *option_ptr, sn_coap_option_numbers_e option_number); //tehe PUUKKO!!!!
GeofferyOmlette 0:f6e4e1bbb3fe 31 static int16_t sn_coap_builder_options_build_add_multiple_option(uint8_t **dst_packet_data_pptr, uint8_t **src_pptr, uint16_t *src_len_ptr, sn_coap_option_numbers_e option);
GeofferyOmlette 0:f6e4e1bbb3fe 32 static uint8_t sn_coap_builder_options_get_option_part_count(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option);
GeofferyOmlette 0:f6e4e1bbb3fe 33 static uint16_t sn_coap_builder_options_get_option_part_length_from_whole_option_string(uint16_t query_len, uint8_t *query_ptr, uint8_t query_index, sn_coap_option_numbers_e option);
GeofferyOmlette 0:f6e4e1bbb3fe 34 static int16_t sn_coap_builder_options_get_option_part_position(uint16_t query_len, uint8_t *query_ptr, uint8_t query_index, sn_coap_option_numbers_e option);
GeofferyOmlette 0:f6e4e1bbb3fe 35 static void sn_coap_builder_payload_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 36 static uint8_t sn_coap_builder_options_calculate_jump_need(sn_coap_hdr_s *src_coap_msg_ptr, uint8_t block_option);
GeofferyOmlette 0:f6e4e1bbb3fe 37
GeofferyOmlette 0:f6e4e1bbb3fe 38 /* * * * GLOBAL DECLARATIONS * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 39 //SN_MEM_ATTR_COAP_BUILDER_DECL static uint8_t *base_packet_data_ptr = NULL; /* Base (= original) destination Packet data pointer value */
GeofferyOmlette 0:f6e4e1bbb3fe 40 SN_MEM_ATTR_COAP_BUILDER_DECL static uint16_t global_previous_option_number = 0; /* Previous Option number in CoAP message */
GeofferyOmlette 0:f6e4e1bbb3fe 41
GeofferyOmlette 0:f6e4e1bbb3fe 42 SN_MEM_ATTR_COAP_BUILDER_DECL void* (*sn_coap_malloc)(uint16_t); /* Function pointer for used malloc() function */
GeofferyOmlette 0:f6e4e1bbb3fe 43 SN_MEM_ATTR_COAP_BUILDER_DECL void (*sn_coap_free)(void*); /* Function pointer for used free() function */
GeofferyOmlette 0:f6e4e1bbb3fe 44
GeofferyOmlette 0:f6e4e1bbb3fe 45 /* * * * EXTERN VARIABLES * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 46 #if SN_COAP_BLOCKWISE_MAX_PAYLOAD_SIZE
GeofferyOmlette 0:f6e4e1bbb3fe 47 SN_MEM_ATTR_COAP_PROTOCOL_DECL extern uint16_t sn_coap_block_data_size; /* From sn_coap_protocol_ieft_draft_12.c */
GeofferyOmlette 0:f6e4e1bbb3fe 48 #endif
GeofferyOmlette 0:f6e4e1bbb3fe 49
GeofferyOmlette 0:f6e4e1bbb3fe 50
GeofferyOmlette 0:f6e4e1bbb3fe 51
GeofferyOmlette 0:f6e4e1bbb3fe 52
GeofferyOmlette 0:f6e4e1bbb3fe 53 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 54 void sn_coap_builder_and_parser_init(void* (*used_malloc_func_ptr)(uint16_t),
GeofferyOmlette 0:f6e4e1bbb3fe 55 void (*used_free_func_ptr)(void*))
GeofferyOmlette 0:f6e4e1bbb3fe 56 {
GeofferyOmlette 0:f6e4e1bbb3fe 57 /* * * Set used memory allocation function pointer * * */
GeofferyOmlette 0:f6e4e1bbb3fe 58 sn_coap_malloc = used_malloc_func_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 59
GeofferyOmlette 0:f6e4e1bbb3fe 60 /* * * Set used memory free function pointer * * */
GeofferyOmlette 0:f6e4e1bbb3fe 61 sn_coap_free = used_free_func_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 62 }
GeofferyOmlette 0:f6e4e1bbb3fe 63
GeofferyOmlette 0:f6e4e1bbb3fe 64
GeofferyOmlette 0:f6e4e1bbb3fe 65 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 66 sn_coap_hdr_s *sn_coap_build_response(sn_coap_hdr_s *coap_packet_ptr, uint8_t msg_code)
GeofferyOmlette 0:f6e4e1bbb3fe 67 {
GeofferyOmlette 0:f6e4e1bbb3fe 68 sn_coap_hdr_s *coap_res_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 69
GeofferyOmlette 0:f6e4e1bbb3fe 70 if(!coap_packet_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 71 return NULL;
GeofferyOmlette 0:f6e4e1bbb3fe 72
GeofferyOmlette 0:f6e4e1bbb3fe 73 coap_res_ptr = sn_coap_malloc(sizeof(sn_coap_hdr_s));
GeofferyOmlette 0:f6e4e1bbb3fe 74 if(!coap_res_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 75 return NULL;
GeofferyOmlette 0:f6e4e1bbb3fe 76
GeofferyOmlette 0:f6e4e1bbb3fe 77 memset(coap_res_ptr, 0x00, sizeof(sn_coap_hdr_s));
GeofferyOmlette 0:f6e4e1bbb3fe 78
GeofferyOmlette 0:f6e4e1bbb3fe 79 if (coap_packet_ptr->msg_type == COAP_MSG_TYPE_CONFIRMABLE)
GeofferyOmlette 0:f6e4e1bbb3fe 80 {
GeofferyOmlette 0:f6e4e1bbb3fe 81 coap_res_ptr->msg_type = COAP_MSG_TYPE_ACKNOWLEDGEMENT;
GeofferyOmlette 0:f6e4e1bbb3fe 82 coap_res_ptr->msg_code = (sn_coap_msg_code_e)msg_code;
GeofferyOmlette 0:f6e4e1bbb3fe 83 coap_res_ptr->msg_id = coap_packet_ptr->msg_id;
GeofferyOmlette 0:f6e4e1bbb3fe 84 }
GeofferyOmlette 0:f6e4e1bbb3fe 85
GeofferyOmlette 0:f6e4e1bbb3fe 86 else if (coap_packet_ptr->msg_type == COAP_MSG_TYPE_NON_CONFIRMABLE)
GeofferyOmlette 0:f6e4e1bbb3fe 87 {
GeofferyOmlette 0:f6e4e1bbb3fe 88 coap_res_ptr->msg_type = COAP_MSG_TYPE_NON_CONFIRMABLE;
GeofferyOmlette 0:f6e4e1bbb3fe 89 coap_res_ptr->msg_code = (sn_coap_msg_code_e)msg_code;
GeofferyOmlette 0:f6e4e1bbb3fe 90 /* msg_id needs to be set by the caller in this case */
GeofferyOmlette 0:f6e4e1bbb3fe 91 }
GeofferyOmlette 0:f6e4e1bbb3fe 92
GeofferyOmlette 0:f6e4e1bbb3fe 93 else
GeofferyOmlette 0:f6e4e1bbb3fe 94 {
GeofferyOmlette 0:f6e4e1bbb3fe 95 return NULL;
GeofferyOmlette 0:f6e4e1bbb3fe 96 }
GeofferyOmlette 0:f6e4e1bbb3fe 97
GeofferyOmlette 0:f6e4e1bbb3fe 98 if (coap_packet_ptr->token_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 99 {
GeofferyOmlette 0:f6e4e1bbb3fe 100 coap_res_ptr->token_len = coap_packet_ptr->token_len;
GeofferyOmlette 0:f6e4e1bbb3fe 101 coap_res_ptr->token_ptr = sn_coap_malloc(coap_res_ptr->token_len);
GeofferyOmlette 0:f6e4e1bbb3fe 102 if(!coap_res_ptr->token_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 103 {
GeofferyOmlette 0:f6e4e1bbb3fe 104 sn_coap_free(coap_res_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 105 return NULL;
GeofferyOmlette 0:f6e4e1bbb3fe 106 }
GeofferyOmlette 0:f6e4e1bbb3fe 107 memcpy(coap_res_ptr->token_ptr, coap_packet_ptr->token_ptr, coap_res_ptr->token_len);
GeofferyOmlette 0:f6e4e1bbb3fe 108 }
GeofferyOmlette 0:f6e4e1bbb3fe 109 return coap_res_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 110 }
GeofferyOmlette 0:f6e4e1bbb3fe 111
GeofferyOmlette 0:f6e4e1bbb3fe 112
GeofferyOmlette 0:f6e4e1bbb3fe 113
GeofferyOmlette 0:f6e4e1bbb3fe 114 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 115 int16_t sn_coap_builder(uint8_t *dst_packet_data_ptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 116 {
GeofferyOmlette 0:f6e4e1bbb3fe 117 uint8_t *base_packet_data_ptr = NULL;
GeofferyOmlette 0:f6e4e1bbb3fe 118
GeofferyOmlette 0:f6e4e1bbb3fe 119 /* * * * Check given pointers * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 120 if (dst_packet_data_ptr == NULL || src_coap_msg_ptr == NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 121 return -2;
GeofferyOmlette 0:f6e4e1bbb3fe 122
GeofferyOmlette 0:f6e4e1bbb3fe 123 /* Initialize given Packet data memory area with zero values */
GeofferyOmlette 0:f6e4e1bbb3fe 124 uint16_t dst_byte_count_to_be_built = sn_coap_builder_calc_needed_packet_data_size(src_coap_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 125
GeofferyOmlette 0:f6e4e1bbb3fe 126 if(!dst_byte_count_to_be_built)
GeofferyOmlette 0:f6e4e1bbb3fe 127 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 128
GeofferyOmlette 0:f6e4e1bbb3fe 129 memset(dst_packet_data_ptr, 0, dst_byte_count_to_be_built);
GeofferyOmlette 0:f6e4e1bbb3fe 130
GeofferyOmlette 0:f6e4e1bbb3fe 131 /* * * * Store base (= original) destination Packet data pointer for later usage * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 132 base_packet_data_ptr = dst_packet_data_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 133
GeofferyOmlette 0:f6e4e1bbb3fe 134 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 135 /* * * * Header part building * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 136 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 137 if (sn_coap_builder_header_build(&dst_packet_data_ptr, src_coap_msg_ptr) != 0)
GeofferyOmlette 0:f6e4e1bbb3fe 138 {
GeofferyOmlette 0:f6e4e1bbb3fe 139 /* Header building failed */
GeofferyOmlette 0:f6e4e1bbb3fe 140 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 141 }
GeofferyOmlette 0:f6e4e1bbb3fe 142
GeofferyOmlette 0:f6e4e1bbb3fe 143 /* If else than Reset message because Reset message must be empty */
GeofferyOmlette 0:f6e4e1bbb3fe 144 if (src_coap_msg_ptr->msg_type != COAP_MSG_TYPE_RESET)
GeofferyOmlette 0:f6e4e1bbb3fe 145 {
GeofferyOmlette 0:f6e4e1bbb3fe 146 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 147 /* * * * Options part building * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 148 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 149 if (sn_coap_builder_options_build(&dst_packet_data_ptr, src_coap_msg_ptr) != 0)
GeofferyOmlette 0:f6e4e1bbb3fe 150 {
GeofferyOmlette 0:f6e4e1bbb3fe 151 /* Options building failed */
GeofferyOmlette 0:f6e4e1bbb3fe 152 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 153 }
GeofferyOmlette 0:f6e4e1bbb3fe 154
GeofferyOmlette 0:f6e4e1bbb3fe 155 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 156 /* * * * Payload part building * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 157 /* * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 158 sn_coap_builder_payload_build(&dst_packet_data_ptr, src_coap_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 159 }
GeofferyOmlette 0:f6e4e1bbb3fe 160
GeofferyOmlette 0:f6e4e1bbb3fe 161 /* * * * Return built Packet data length * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 162 return (dst_packet_data_ptr - base_packet_data_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 163 }
GeofferyOmlette 0:f6e4e1bbb3fe 164
GeofferyOmlette 0:f6e4e1bbb3fe 165
GeofferyOmlette 0:f6e4e1bbb3fe 166 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 167 uint16_t sn_coap_builder_calc_needed_packet_data_size(sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 168 {
GeofferyOmlette 0:f6e4e1bbb3fe 169 uint16_t returned_byte_count = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 170 uint16_t repeatable_option_size = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 171
GeofferyOmlette 0:f6e4e1bbb3fe 172 if(!src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 173 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 174
GeofferyOmlette 0:f6e4e1bbb3fe 175 /* * * * * HEADER * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 176
GeofferyOmlette 0:f6e4e1bbb3fe 177 /* Header size is fixed */
GeofferyOmlette 0:f6e4e1bbb3fe 178 returned_byte_count = COAP_HEADER_LENGTH;
GeofferyOmlette 0:f6e4e1bbb3fe 179
GeofferyOmlette 0:f6e4e1bbb3fe 180 /* * * * * OPTIONS * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 181
GeofferyOmlette 0:f6e4e1bbb3fe 182 /* If else than Reset message because Reset message must be empty */
GeofferyOmlette 0:f6e4e1bbb3fe 183 if (src_coap_msg_ptr->msg_type != COAP_MSG_TYPE_RESET)
GeofferyOmlette 0:f6e4e1bbb3fe 184 {
GeofferyOmlette 0:f6e4e1bbb3fe 185 /* TOKEN - Length is 1-8 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 186 if (src_coap_msg_ptr->token_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 187 {
GeofferyOmlette 0:f6e4e1bbb3fe 188 if(src_coap_msg_ptr->token_len > 8 || src_coap_msg_ptr->token_len < 1) /* Check that option is not longer than defined */
GeofferyOmlette 0:f6e4e1bbb3fe 189 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 190
GeofferyOmlette 0:f6e4e1bbb3fe 191 returned_byte_count += src_coap_msg_ptr->token_len;
GeofferyOmlette 0:f6e4e1bbb3fe 192 }
GeofferyOmlette 0:f6e4e1bbb3fe 193
GeofferyOmlette 0:f6e4e1bbb3fe 194 /* URI PATH - Repeatable option. Length of one option is 0-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 195 if (src_coap_msg_ptr->uri_path_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 196 {
GeofferyOmlette 0:f6e4e1bbb3fe 197 repeatable_option_size = sn_coap_builder_options_calc_option_size(src_coap_msg_ptr->uri_path_len,
GeofferyOmlette 0:f6e4e1bbb3fe 198 src_coap_msg_ptr->uri_path_ptr, COAP_OPTION_URI_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 199 if(repeatable_option_size)
GeofferyOmlette 0:f6e4e1bbb3fe 200 returned_byte_count += repeatable_option_size;
GeofferyOmlette 0:f6e4e1bbb3fe 201 else
GeofferyOmlette 0:f6e4e1bbb3fe 202 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 203 }
GeofferyOmlette 0:f6e4e1bbb3fe 204
GeofferyOmlette 0:f6e4e1bbb3fe 205 /* CONTENT TYPE - Length of this option is 0-2 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 206 if (src_coap_msg_ptr->content_type_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 207 {
GeofferyOmlette 0:f6e4e1bbb3fe 208 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 209 if(src_coap_msg_ptr->content_type_len > 2)
GeofferyOmlette 0:f6e4e1bbb3fe 210 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 211
GeofferyOmlette 0:f6e4e1bbb3fe 212 returned_byte_count += src_coap_msg_ptr->content_type_len;
GeofferyOmlette 0:f6e4e1bbb3fe 213 }
GeofferyOmlette 0:f6e4e1bbb3fe 214
GeofferyOmlette 0:f6e4e1bbb3fe 215 /* If options list pointer exists */
GeofferyOmlette 0:f6e4e1bbb3fe 216 if (src_coap_msg_ptr->options_list_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 217 {
GeofferyOmlette 0:f6e4e1bbb3fe 218 /* ACCEPT - Repeatable option. Length of this option is 0-2 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 219 if (src_coap_msg_ptr->options_list_ptr->accept_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 220 {
GeofferyOmlette 0:f6e4e1bbb3fe 221 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 222 if(src_coap_msg_ptr->options_list_ptr->accept_len > 2)
GeofferyOmlette 0:f6e4e1bbb3fe 223 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 224
GeofferyOmlette 0:f6e4e1bbb3fe 225 returned_byte_count += src_coap_msg_ptr->options_list_ptr->accept_len;
GeofferyOmlette 0:f6e4e1bbb3fe 226 }
GeofferyOmlette 0:f6e4e1bbb3fe 227
GeofferyOmlette 0:f6e4e1bbb3fe 228 /* MAX AGE - Length of this option is 0-4 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 229 if (src_coap_msg_ptr->options_list_ptr->max_age_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 230 {
GeofferyOmlette 0:f6e4e1bbb3fe 231 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 232 if(src_coap_msg_ptr->options_list_ptr->max_age_len > 4)
GeofferyOmlette 0:f6e4e1bbb3fe 233 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 234
GeofferyOmlette 0:f6e4e1bbb3fe 235 returned_byte_count += src_coap_msg_ptr->options_list_ptr->max_age_len;
GeofferyOmlette 0:f6e4e1bbb3fe 236 }
GeofferyOmlette 0:f6e4e1bbb3fe 237
GeofferyOmlette 0:f6e4e1bbb3fe 238 /* PROXY URI - Length of this option is 1-1034 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 239 if (src_coap_msg_ptr->options_list_ptr->proxy_uri_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 240 {
GeofferyOmlette 0:f6e4e1bbb3fe 241 if (src_coap_msg_ptr->options_list_ptr->proxy_uri_len >= 1 && src_coap_msg_ptr->options_list_ptr->proxy_uri_len <= 12) /* Add option header byte(s) - depending of option length */
GeofferyOmlette 0:f6e4e1bbb3fe 242 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 243
GeofferyOmlette 0:f6e4e1bbb3fe 244 else if(src_coap_msg_ptr->options_list_ptr->proxy_uri_len >= 13 && src_coap_msg_ptr->options_list_ptr->proxy_uri_len <= 269)
GeofferyOmlette 0:f6e4e1bbb3fe 245 returned_byte_count += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 246
GeofferyOmlette 0:f6e4e1bbb3fe 247 else if(src_coap_msg_ptr->options_list_ptr->proxy_uri_len >= 270 && src_coap_msg_ptr->options_list_ptr->proxy_uri_len <= 1034)
GeofferyOmlette 0:f6e4e1bbb3fe 248 returned_byte_count += 3;
GeofferyOmlette 0:f6e4e1bbb3fe 249
GeofferyOmlette 0:f6e4e1bbb3fe 250 else
GeofferyOmlette 0:f6e4e1bbb3fe 251 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 252
GeofferyOmlette 0:f6e4e1bbb3fe 253 /* Add needed memory for Option value */
GeofferyOmlette 0:f6e4e1bbb3fe 254 returned_byte_count += src_coap_msg_ptr->options_list_ptr->proxy_uri_len;
GeofferyOmlette 0:f6e4e1bbb3fe 255 }
GeofferyOmlette 0:f6e4e1bbb3fe 256
GeofferyOmlette 0:f6e4e1bbb3fe 257 /* ETAG - Repeatable option. Length of this option is 1-8 bytes*/
GeofferyOmlette 0:f6e4e1bbb3fe 258 if (src_coap_msg_ptr->options_list_ptr->etag_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 259 {
GeofferyOmlette 0:f6e4e1bbb3fe 260 repeatable_option_size = sn_coap_builder_options_calc_option_size(src_coap_msg_ptr->options_list_ptr->etag_len,
GeofferyOmlette 0:f6e4e1bbb3fe 261 src_coap_msg_ptr->options_list_ptr->etag_ptr, COAP_OPTION_ETAG);
GeofferyOmlette 0:f6e4e1bbb3fe 262 if(repeatable_option_size)
GeofferyOmlette 0:f6e4e1bbb3fe 263 returned_byte_count += repeatable_option_size;
GeofferyOmlette 0:f6e4e1bbb3fe 264 else
GeofferyOmlette 0:f6e4e1bbb3fe 265 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 266 }
GeofferyOmlette 0:f6e4e1bbb3fe 267
GeofferyOmlette 0:f6e4e1bbb3fe 268 /* URI HOST - Length of this option is 1-255 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 269 if (src_coap_msg_ptr->options_list_ptr->uri_host_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 270 {
GeofferyOmlette 0:f6e4e1bbb3fe 271 if (src_coap_msg_ptr->options_list_ptr->uri_host_len > 0 && src_coap_msg_ptr->options_list_ptr->uri_host_len <= 12)
GeofferyOmlette 0:f6e4e1bbb3fe 272 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 273
GeofferyOmlette 0:f6e4e1bbb3fe 274 else if(src_coap_msg_ptr->options_list_ptr->uri_host_len >= 13 && src_coap_msg_ptr->options_list_ptr->uri_host_len <= 255)
GeofferyOmlette 0:f6e4e1bbb3fe 275 returned_byte_count += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 276
GeofferyOmlette 0:f6e4e1bbb3fe 277 else
GeofferyOmlette 0:f6e4e1bbb3fe 278 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 279
GeofferyOmlette 0:f6e4e1bbb3fe 280 returned_byte_count += src_coap_msg_ptr->options_list_ptr->uri_host_len;
GeofferyOmlette 0:f6e4e1bbb3fe 281 }
GeofferyOmlette 0:f6e4e1bbb3fe 282
GeofferyOmlette 0:f6e4e1bbb3fe 283 /* LOCATION PATH - Repeatable option. Length of this option is 0-255 bytes*/
GeofferyOmlette 0:f6e4e1bbb3fe 284 if (src_coap_msg_ptr->options_list_ptr->location_path_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 285 {
GeofferyOmlette 0:f6e4e1bbb3fe 286 repeatable_option_size = sn_coap_builder_options_calc_option_size(src_coap_msg_ptr->options_list_ptr->location_path_len,
GeofferyOmlette 0:f6e4e1bbb3fe 287 src_coap_msg_ptr->options_list_ptr->location_path_ptr, COAP_OPTION_LOCATION_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 288 if(repeatable_option_size)
GeofferyOmlette 0:f6e4e1bbb3fe 289 returned_byte_count += repeatable_option_size;
GeofferyOmlette 0:f6e4e1bbb3fe 290 else
GeofferyOmlette 0:f6e4e1bbb3fe 291 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 292 }
GeofferyOmlette 0:f6e4e1bbb3fe 293
GeofferyOmlette 0:f6e4e1bbb3fe 294 /* URI PORT - Length of this option is 0-2 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 295 if (src_coap_msg_ptr->options_list_ptr->uri_port_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 296 {
GeofferyOmlette 0:f6e4e1bbb3fe 297 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 298 if(src_coap_msg_ptr->options_list_ptr->uri_port_len > 2)
GeofferyOmlette 0:f6e4e1bbb3fe 299 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 300
GeofferyOmlette 0:f6e4e1bbb3fe 301 returned_byte_count += src_coap_msg_ptr->options_list_ptr->uri_port_len;
GeofferyOmlette 0:f6e4e1bbb3fe 302 }
GeofferyOmlette 0:f6e4e1bbb3fe 303
GeofferyOmlette 0:f6e4e1bbb3fe 304 /* lOCATION QUERY - Repeatable option. Length of this option is 0-255 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 305 if (src_coap_msg_ptr->options_list_ptr->location_query_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 306 {
GeofferyOmlette 0:f6e4e1bbb3fe 307 repeatable_option_size = sn_coap_builder_options_calc_option_size(src_coap_msg_ptr->options_list_ptr->location_query_len,
GeofferyOmlette 0:f6e4e1bbb3fe 308 src_coap_msg_ptr->options_list_ptr->location_query_ptr, COAP_OPTION_LOCATION_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 309 if(repeatable_option_size)
GeofferyOmlette 0:f6e4e1bbb3fe 310 returned_byte_count += repeatable_option_size;
GeofferyOmlette 0:f6e4e1bbb3fe 311 else
GeofferyOmlette 0:f6e4e1bbb3fe 312 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 313 }
GeofferyOmlette 0:f6e4e1bbb3fe 314
GeofferyOmlette 0:f6e4e1bbb3fe 315 /* OBSERVE - Length of this option is 0-2 bytes */
GeofferyOmlette 0:f6e4e1bbb3fe 316 if (src_coap_msg_ptr->options_list_ptr->observe_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 317 {
GeofferyOmlette 0:f6e4e1bbb3fe 318 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 319 if(src_coap_msg_ptr->options_list_ptr->observe_len > 2)
GeofferyOmlette 0:f6e4e1bbb3fe 320 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 321
GeofferyOmlette 0:f6e4e1bbb3fe 322 returned_byte_count += src_coap_msg_ptr->options_list_ptr->observe_len;
GeofferyOmlette 0:f6e4e1bbb3fe 323 }
GeofferyOmlette 0:f6e4e1bbb3fe 324
GeofferyOmlette 0:f6e4e1bbb3fe 325 /* URI QUERY - Repeatable option. Length of this option is 1-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 326 if (src_coap_msg_ptr->options_list_ptr->uri_query_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 327 {
GeofferyOmlette 0:f6e4e1bbb3fe 328 repeatable_option_size = sn_coap_builder_options_calc_option_size(src_coap_msg_ptr->options_list_ptr->uri_query_len,
GeofferyOmlette 0:f6e4e1bbb3fe 329 src_coap_msg_ptr->options_list_ptr->uri_query_ptr, COAP_OPTION_URI_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 330 if(repeatable_option_size)
GeofferyOmlette 0:f6e4e1bbb3fe 331 returned_byte_count += repeatable_option_size;
GeofferyOmlette 0:f6e4e1bbb3fe 332 else
GeofferyOmlette 0:f6e4e1bbb3fe 333 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 334 }
GeofferyOmlette 0:f6e4e1bbb3fe 335
GeofferyOmlette 0:f6e4e1bbb3fe 336 /* BLOCK 1 - Length of this option is 1-3 bytes*/
GeofferyOmlette 0:f6e4e1bbb3fe 337 if (src_coap_msg_ptr->options_list_ptr->block2_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 338 {
GeofferyOmlette 0:f6e4e1bbb3fe 339 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 340 if(src_coap_msg_ptr->options_list_ptr->block2_len > 3 || src_coap_msg_ptr->options_list_ptr->block2_len < 1)
GeofferyOmlette 0:f6e4e1bbb3fe 341 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 342
GeofferyOmlette 0:f6e4e1bbb3fe 343 returned_byte_count += src_coap_msg_ptr->options_list_ptr->block2_len;
GeofferyOmlette 0:f6e4e1bbb3fe 344 }
GeofferyOmlette 0:f6e4e1bbb3fe 345
GeofferyOmlette 0:f6e4e1bbb3fe 346 /* BLOCK 2 - Length of this option is 1-3 bytes*/
GeofferyOmlette 0:f6e4e1bbb3fe 347 if (src_coap_msg_ptr->options_list_ptr->block1_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 348 {
GeofferyOmlette 0:f6e4e1bbb3fe 349 returned_byte_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 350
GeofferyOmlette 0:f6e4e1bbb3fe 351 if(src_coap_msg_ptr->options_list_ptr->block1_len > 3 || src_coap_msg_ptr->options_list_ptr->block1_len < 1)
GeofferyOmlette 0:f6e4e1bbb3fe 352 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 353
GeofferyOmlette 0:f6e4e1bbb3fe 354 returned_byte_count += src_coap_msg_ptr->options_list_ptr->block1_len;
GeofferyOmlette 0:f6e4e1bbb3fe 355 }
GeofferyOmlette 0:f6e4e1bbb3fe 356 }
GeofferyOmlette 0:f6e4e1bbb3fe 357
GeofferyOmlette 0:f6e4e1bbb3fe 358 /* * * * * PAYLOAD * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 359 #if SN_COAP_BLOCKWISE_MAX_PAYLOAD_SIZE /* If Message blockwising is not used at all, this part of code will not be compiled */
GeofferyOmlette 0:f6e4e1bbb3fe 360 if ((src_coap_msg_ptr->payload_len > sn_coap_block_data_size) && (sn_coap_block_data_size > 0))
GeofferyOmlette 0:f6e4e1bbb3fe 361 {
GeofferyOmlette 0:f6e4e1bbb3fe 362 /* Two bytes for Block option */
GeofferyOmlette 0:f6e4e1bbb3fe 363 returned_byte_count += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 364
GeofferyOmlette 0:f6e4e1bbb3fe 365 if (src_coap_msg_ptr->msg_code < COAP_MSG_CODE_RESPONSE_CREATED )
GeofferyOmlette 0:f6e4e1bbb3fe 366 {
GeofferyOmlette 0:f6e4e1bbb3fe 367 returned_byte_count += sn_coap_builder_options_calculate_jump_need(src_coap_msg_ptr, 1);
GeofferyOmlette 0:f6e4e1bbb3fe 368 }
GeofferyOmlette 0:f6e4e1bbb3fe 369 else /* Response message */
GeofferyOmlette 0:f6e4e1bbb3fe 370 {
GeofferyOmlette 0:f6e4e1bbb3fe 371 returned_byte_count += sn_coap_builder_options_calculate_jump_need(src_coap_msg_ptr, 2);
GeofferyOmlette 0:f6e4e1bbb3fe 372 }
GeofferyOmlette 0:f6e4e1bbb3fe 373 /* Add maximum payload at one Blockwise message */
GeofferyOmlette 0:f6e4e1bbb3fe 374 returned_byte_count += sn_coap_block_data_size;
GeofferyOmlette 0:f6e4e1bbb3fe 375 returned_byte_count ++; /* For payload marker */
GeofferyOmlette 0:f6e4e1bbb3fe 376 }
GeofferyOmlette 0:f6e4e1bbb3fe 377 else
GeofferyOmlette 0:f6e4e1bbb3fe 378 {
GeofferyOmlette 0:f6e4e1bbb3fe 379 returned_byte_count += sn_coap_builder_options_calculate_jump_need(src_coap_msg_ptr, 0);
GeofferyOmlette 0:f6e4e1bbb3fe 380 /* Add wanted payload */
GeofferyOmlette 0:f6e4e1bbb3fe 381
GeofferyOmlette 0:f6e4e1bbb3fe 382 returned_byte_count += src_coap_msg_ptr->payload_len;
GeofferyOmlette 0:f6e4e1bbb3fe 383
GeofferyOmlette 0:f6e4e1bbb3fe 384 if(src_coap_msg_ptr->payload_len)
GeofferyOmlette 0:f6e4e1bbb3fe 385 returned_byte_count ++; /* For payload marker */
GeofferyOmlette 0:f6e4e1bbb3fe 386
GeofferyOmlette 0:f6e4e1bbb3fe 387 }
GeofferyOmlette 0:f6e4e1bbb3fe 388 #else
GeofferyOmlette 0:f6e4e1bbb3fe 389 returned_byte_count += src_coap_msg_ptr->payload_len;
GeofferyOmlette 0:f6e4e1bbb3fe 390 if(src_coap_msg_ptr->payload_len)
GeofferyOmlette 0:f6e4e1bbb3fe 391 returned_byte_count ++; /* For payload marker */
GeofferyOmlette 0:f6e4e1bbb3fe 392 returned_byte_count += sn_coap_builder_options_calculate_jump_need(src_coap_msg_ptr, 0);
GeofferyOmlette 0:f6e4e1bbb3fe 393 #endif
GeofferyOmlette 0:f6e4e1bbb3fe 394 }
GeofferyOmlette 0:f6e4e1bbb3fe 395
GeofferyOmlette 0:f6e4e1bbb3fe 396 return returned_byte_count;
GeofferyOmlette 0:f6e4e1bbb3fe 397 }
GeofferyOmlette 0:f6e4e1bbb3fe 398
GeofferyOmlette 0:f6e4e1bbb3fe 399 /**
GeofferyOmlette 0:f6e4e1bbb3fe 400 * \fn void sn_coap_builder_release_allocated_send_msg_mem(sn_nsdl_transmit_s *freed_send_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 401 *
GeofferyOmlette 0:f6e4e1bbb3fe 402 * \brief Releases memory of given Sending message
GeofferyOmlette 0:f6e4e1bbb3fe 403 *
GeofferyOmlette 0:f6e4e1bbb3fe 404 * \param *freed_send_msg_ptr is pointer to released Sending message
GeofferyOmlette 0:f6e4e1bbb3fe 405 */
GeofferyOmlette 0:f6e4e1bbb3fe 406 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 407 void sn_coap_builder_release_allocated_send_msg_mem(sn_nsdl_transmit_s *freed_send_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 408 {
GeofferyOmlette 0:f6e4e1bbb3fe 409 if (freed_send_msg_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 410 {
GeofferyOmlette 0:f6e4e1bbb3fe 411 if (freed_send_msg_ptr->dst_addr_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 412 {
GeofferyOmlette 0:f6e4e1bbb3fe 413 if (freed_send_msg_ptr->dst_addr_ptr->addr_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 414 {
GeofferyOmlette 0:f6e4e1bbb3fe 415 sn_coap_free(freed_send_msg_ptr->dst_addr_ptr->addr_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 416 freed_send_msg_ptr->dst_addr_ptr->addr_ptr = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 417 }
GeofferyOmlette 0:f6e4e1bbb3fe 418
GeofferyOmlette 0:f6e4e1bbb3fe 419 sn_coap_free(freed_send_msg_ptr->dst_addr_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 420 freed_send_msg_ptr->dst_addr_ptr = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 421 }
GeofferyOmlette 0:f6e4e1bbb3fe 422
GeofferyOmlette 0:f6e4e1bbb3fe 423 if (freed_send_msg_ptr->packet_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 424 {
GeofferyOmlette 0:f6e4e1bbb3fe 425 sn_coap_free(freed_send_msg_ptr->packet_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 426 freed_send_msg_ptr->packet_ptr = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 427 }
GeofferyOmlette 0:f6e4e1bbb3fe 428
GeofferyOmlette 0:f6e4e1bbb3fe 429 sn_coap_free(freed_send_msg_ptr);
GeofferyOmlette 0:f6e4e1bbb3fe 430 }
GeofferyOmlette 0:f6e4e1bbb3fe 431 }
GeofferyOmlette 0:f6e4e1bbb3fe 432
GeofferyOmlette 0:f6e4e1bbb3fe 433 /**
GeofferyOmlette 0:f6e4e1bbb3fe 434 * \fn static uint8_t sn_coap_builder_options_calculate_jump_need(sn_coap_hdr_s *src_coap_msg_ptr, uint8_t block_option)
GeofferyOmlette 0:f6e4e1bbb3fe 435 *
GeofferyOmlette 0:f6e4e1bbb3fe 436 * \brief Checks if there is need for option jump
GeofferyOmlette 0:f6e4e1bbb3fe 437 *
GeofferyOmlette 0:f6e4e1bbb3fe 438 * \param *src_coap_msg_ptr is source of checked CoAP message
GeofferyOmlette 0:f6e4e1bbb3fe 439 *
GeofferyOmlette 0:f6e4e1bbb3fe 440 * \param block option marks if block option is to be added to message later. 0 = no block option, 1 = block1 and 2 = block2
GeofferyOmlette 0:f6e4e1bbb3fe 441 *
GeofferyOmlette 0:f6e4e1bbb3fe 442 * \return Returns bytes needed for jumping
GeofferyOmlette 0:f6e4e1bbb3fe 443 */
GeofferyOmlette 0:f6e4e1bbb3fe 444
GeofferyOmlette 0:f6e4e1bbb3fe 445 static uint8_t sn_coap_builder_options_calculate_jump_need(sn_coap_hdr_s *src_coap_msg_ptr, uint8_t block_option)
GeofferyOmlette 0:f6e4e1bbb3fe 446 {
GeofferyOmlette 0:f6e4e1bbb3fe 447 uint8_t previous_option_number = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 448 uint8_t needed_space = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 449
GeofferyOmlette 0:f6e4e1bbb3fe 450 if(!src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 451 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 452
GeofferyOmlette 0:f6e4e1bbb3fe 453 if (src_coap_msg_ptr->options_list_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 454 {
GeofferyOmlette 0:f6e4e1bbb3fe 455 /* If option numbers greater than 12 is not used, then jumping is not needed */
GeofferyOmlette 0:f6e4e1bbb3fe 456 if(!src_coap_msg_ptr->options_list_ptr->uri_query_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 457 !src_coap_msg_ptr->options_list_ptr->accept_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 458 !src_coap_msg_ptr->options_list_ptr->location_query_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 459 !src_coap_msg_ptr->options_list_ptr->block2_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 460 !src_coap_msg_ptr->options_list_ptr->block1_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 461 !src_coap_msg_ptr->options_list_ptr->proxy_uri_ptr &&
GeofferyOmlette 0:f6e4e1bbb3fe 462 !block_option &&
GeofferyOmlette 0:f6e4e1bbb3fe 463 !src_coap_msg_ptr->options_list_ptr->max_age_ptr )
GeofferyOmlette 0:f6e4e1bbb3fe 464 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 465
GeofferyOmlette 0:f6e4e1bbb3fe 466 if (src_coap_msg_ptr->options_list_ptr->uri_host_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 467 {
GeofferyOmlette 0:f6e4e1bbb3fe 468 previous_option_number = (COAP_OPTION_URI_HOST);
GeofferyOmlette 0:f6e4e1bbb3fe 469 }
GeofferyOmlette 0:f6e4e1bbb3fe 470
GeofferyOmlette 0:f6e4e1bbb3fe 471 if (src_coap_msg_ptr->options_list_ptr->etag_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 472 {
GeofferyOmlette 0:f6e4e1bbb3fe 473 previous_option_number = (COAP_OPTION_ETAG);
GeofferyOmlette 0:f6e4e1bbb3fe 474 }
GeofferyOmlette 0:f6e4e1bbb3fe 475
GeofferyOmlette 0:f6e4e1bbb3fe 476 if (src_coap_msg_ptr->options_list_ptr->observe_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 477 {
GeofferyOmlette 0:f6e4e1bbb3fe 478 previous_option_number = (COAP_OPTION_OBSERVE);
GeofferyOmlette 0:f6e4e1bbb3fe 479 }
GeofferyOmlette 0:f6e4e1bbb3fe 480
GeofferyOmlette 0:f6e4e1bbb3fe 481 if (src_coap_msg_ptr->options_list_ptr->uri_port_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 482 {
GeofferyOmlette 0:f6e4e1bbb3fe 483 previous_option_number = (COAP_OPTION_URI_PORT);
GeofferyOmlette 0:f6e4e1bbb3fe 484 }
GeofferyOmlette 0:f6e4e1bbb3fe 485
GeofferyOmlette 0:f6e4e1bbb3fe 486 if (src_coap_msg_ptr->options_list_ptr->location_path_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 487 {
GeofferyOmlette 0:f6e4e1bbb3fe 488 previous_option_number = (COAP_OPTION_LOCATION_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 489 }
GeofferyOmlette 0:f6e4e1bbb3fe 490
GeofferyOmlette 0:f6e4e1bbb3fe 491 if (src_coap_msg_ptr->uri_path_ptr!= NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 492 {
GeofferyOmlette 0:f6e4e1bbb3fe 493 previous_option_number = (COAP_OPTION_URI_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 494 }
GeofferyOmlette 0:f6e4e1bbb3fe 495 if (src_coap_msg_ptr->content_type_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 496 {
GeofferyOmlette 0:f6e4e1bbb3fe 497 previous_option_number = (COAP_OPTION_CONTENT_FORMAT);
GeofferyOmlette 0:f6e4e1bbb3fe 498 }
GeofferyOmlette 0:f6e4e1bbb3fe 499 if (src_coap_msg_ptr->options_list_ptr->max_age_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 500 {
GeofferyOmlette 0:f6e4e1bbb3fe 501 if((COAP_OPTION_MAX_AGE - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 502 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 503 previous_option_number = (COAP_OPTION_MAX_AGE);
GeofferyOmlette 0:f6e4e1bbb3fe 504 }
GeofferyOmlette 0:f6e4e1bbb3fe 505
GeofferyOmlette 0:f6e4e1bbb3fe 506 if (src_coap_msg_ptr->options_list_ptr->uri_query_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 507 {
GeofferyOmlette 0:f6e4e1bbb3fe 508 if((COAP_OPTION_URI_QUERY - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 509 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 510 previous_option_number = (COAP_OPTION_URI_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 511 }
GeofferyOmlette 0:f6e4e1bbb3fe 512 if (src_coap_msg_ptr->options_list_ptr->accept_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 513 {
GeofferyOmlette 0:f6e4e1bbb3fe 514 if((COAP_OPTION_ACCEPT - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 515 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 516 previous_option_number = (COAP_OPTION_ACCEPT);
GeofferyOmlette 0:f6e4e1bbb3fe 517 }
GeofferyOmlette 0:f6e4e1bbb3fe 518 if (src_coap_msg_ptr->options_list_ptr->location_query_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 519 {
GeofferyOmlette 0:f6e4e1bbb3fe 520 if((COAP_OPTION_LOCATION_QUERY - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 521 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 522 previous_option_number = (COAP_OPTION_LOCATION_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 523 }
GeofferyOmlette 0:f6e4e1bbb3fe 524 if (src_coap_msg_ptr->options_list_ptr->block2_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 525 {
GeofferyOmlette 0:f6e4e1bbb3fe 526 if((COAP_OPTION_BLOCK2 - previous_option_number) > 12 || (block_option == 2 && (COAP_OPTION_BLOCK2 - previous_option_number) > 12 ))
GeofferyOmlette 0:f6e4e1bbb3fe 527 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 528 previous_option_number = (COAP_OPTION_BLOCK2);
GeofferyOmlette 0:f6e4e1bbb3fe 529 }
GeofferyOmlette 0:f6e4e1bbb3fe 530 if (src_coap_msg_ptr->options_list_ptr->block1_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 531 {
GeofferyOmlette 0:f6e4e1bbb3fe 532 if((COAP_OPTION_BLOCK1 - previous_option_number) > 12 || (block_option == 1 && (COAP_OPTION_BLOCK1 - previous_option_number) > 12 ))
GeofferyOmlette 0:f6e4e1bbb3fe 533 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 534 previous_option_number = (COAP_OPTION_BLOCK1);
GeofferyOmlette 0:f6e4e1bbb3fe 535 }
GeofferyOmlette 0:f6e4e1bbb3fe 536 if (src_coap_msg_ptr->options_list_ptr->proxy_uri_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 537 {
GeofferyOmlette 0:f6e4e1bbb3fe 538 if((COAP_OPTION_PROXY_URI - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 539 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 540 if((COAP_OPTION_PROXY_URI - previous_option_number) > 269)
GeofferyOmlette 0:f6e4e1bbb3fe 541 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 542 previous_option_number = (COAP_OPTION_PROXY_URI);
GeofferyOmlette 0:f6e4e1bbb3fe 543 }
GeofferyOmlette 0:f6e4e1bbb3fe 544 }
GeofferyOmlette 0:f6e4e1bbb3fe 545
GeofferyOmlette 0:f6e4e1bbb3fe 546 else
GeofferyOmlette 0:f6e4e1bbb3fe 547 {
GeofferyOmlette 0:f6e4e1bbb3fe 548 if(src_coap_msg_ptr->uri_path_ptr != 0)
GeofferyOmlette 0:f6e4e1bbb3fe 549 {
GeofferyOmlette 0:f6e4e1bbb3fe 550 if((COAP_OPTION_URI_PATH - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 551 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 552 previous_option_number = (COAP_OPTION_URI_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 553 }
GeofferyOmlette 0:f6e4e1bbb3fe 554
GeofferyOmlette 0:f6e4e1bbb3fe 555 if(src_coap_msg_ptr->content_type_ptr != 0)
GeofferyOmlette 0:f6e4e1bbb3fe 556 {
GeofferyOmlette 0:f6e4e1bbb3fe 557 if((COAP_OPTION_CONTENT_FORMAT - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 558 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 559 previous_option_number = (COAP_OPTION_CONTENT_FORMAT);
GeofferyOmlette 0:f6e4e1bbb3fe 560 }
GeofferyOmlette 0:f6e4e1bbb3fe 561
GeofferyOmlette 0:f6e4e1bbb3fe 562 if(block_option == 2)
GeofferyOmlette 0:f6e4e1bbb3fe 563 {
GeofferyOmlette 0:f6e4e1bbb3fe 564 if((COAP_OPTION_BLOCK2 - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 565 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 566 previous_option_number = (COAP_OPTION_BLOCK2);
GeofferyOmlette 0:f6e4e1bbb3fe 567 }
GeofferyOmlette 0:f6e4e1bbb3fe 568 if(block_option == 1)
GeofferyOmlette 0:f6e4e1bbb3fe 569 {
GeofferyOmlette 0:f6e4e1bbb3fe 570 if((COAP_OPTION_BLOCK1 - previous_option_number) > 12)
GeofferyOmlette 0:f6e4e1bbb3fe 571 needed_space += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 572 previous_option_number = (COAP_OPTION_BLOCK1);
GeofferyOmlette 0:f6e4e1bbb3fe 573 }
GeofferyOmlette 0:f6e4e1bbb3fe 574 }
GeofferyOmlette 0:f6e4e1bbb3fe 575 return needed_space;
GeofferyOmlette 0:f6e4e1bbb3fe 576 }
GeofferyOmlette 0:f6e4e1bbb3fe 577
GeofferyOmlette 0:f6e4e1bbb3fe 578 /**
GeofferyOmlette 0:f6e4e1bbb3fe 579 * \fn static int8_t sn_coap_builder_header_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 580 *
GeofferyOmlette 0:f6e4e1bbb3fe 581 * \brief Builds Header part of Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 582 *
GeofferyOmlette 0:f6e4e1bbb3fe 583 * \param **dst_packet_data_pptr is destination for built Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 584 *
GeofferyOmlette 0:f6e4e1bbb3fe 585 * \param *src_coap_msg_ptr is source for building Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 586 *
GeofferyOmlette 0:f6e4e1bbb3fe 587 * \return Return value is 0 in ok case and -1 in failure case
GeofferyOmlette 0:f6e4e1bbb3fe 588 **************************************************************************** */
GeofferyOmlette 0:f6e4e1bbb3fe 589 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 590 static int8_t sn_coap_builder_header_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 591 {
GeofferyOmlette 0:f6e4e1bbb3fe 592 /* * * * Check validity of Header values * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 593 if(!*dst_packet_data_pptr || !src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 594 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 595
GeofferyOmlette 0:f6e4e1bbb3fe 596 if (sn_coap_header_validity_check(src_coap_msg_ptr, COAP_VERSION) != 0)
GeofferyOmlette 0:f6e4e1bbb3fe 597 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 598
GeofferyOmlette 0:f6e4e1bbb3fe 599 /* * * Add CoAP Version * * */
GeofferyOmlette 0:f6e4e1bbb3fe 600 **dst_packet_data_pptr += COAP_VERSION;
GeofferyOmlette 0:f6e4e1bbb3fe 601
GeofferyOmlette 0:f6e4e1bbb3fe 602 /* * * Add Message type * * */
GeofferyOmlette 0:f6e4e1bbb3fe 603 **dst_packet_data_pptr += src_coap_msg_ptr->msg_type;
GeofferyOmlette 0:f6e4e1bbb3fe 604
GeofferyOmlette 0:f6e4e1bbb3fe 605 /* * * Add Token length * * */
GeofferyOmlette 0:f6e4e1bbb3fe 606 **dst_packet_data_pptr += (src_coap_msg_ptr->token_len);
GeofferyOmlette 0:f6e4e1bbb3fe 607
GeofferyOmlette 0:f6e4e1bbb3fe 608 (*dst_packet_data_pptr) ++;
GeofferyOmlette 0:f6e4e1bbb3fe 609 /* * * Add Message code * * */
GeofferyOmlette 0:f6e4e1bbb3fe 610 **dst_packet_data_pptr = src_coap_msg_ptr->msg_code;
GeofferyOmlette 0:f6e4e1bbb3fe 611 (*dst_packet_data_pptr) ++;
GeofferyOmlette 0:f6e4e1bbb3fe 612
GeofferyOmlette 0:f6e4e1bbb3fe 613 /* * * Add Message ID * * */
GeofferyOmlette 0:f6e4e1bbb3fe 614 **dst_packet_data_pptr = (uint8_t)(src_coap_msg_ptr->msg_id >> COAP_HEADER_MSG_ID_MSB_SHIFT); /* MSB part */
GeofferyOmlette 0:f6e4e1bbb3fe 615 (*dst_packet_data_pptr) ++;
GeofferyOmlette 0:f6e4e1bbb3fe 616 **dst_packet_data_pptr = (uint8_t)src_coap_msg_ptr->msg_id; /* LSB part */
GeofferyOmlette 0:f6e4e1bbb3fe 617 (*dst_packet_data_pptr) ++;
GeofferyOmlette 0:f6e4e1bbb3fe 618
GeofferyOmlette 0:f6e4e1bbb3fe 619 /* Success */
GeofferyOmlette 0:f6e4e1bbb3fe 620 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 621 }
GeofferyOmlette 0:f6e4e1bbb3fe 622
GeofferyOmlette 0:f6e4e1bbb3fe 623 /**
GeofferyOmlette 0:f6e4e1bbb3fe 624 * \fn static int8_t sn_coap_builder_options_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 625 *
GeofferyOmlette 0:f6e4e1bbb3fe 626 * \brief Builds Options part of Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 627 *
GeofferyOmlette 0:f6e4e1bbb3fe 628 * \param **dst_packet_data_pptr is destination for built Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 629 *
GeofferyOmlette 0:f6e4e1bbb3fe 630 * \param *src_coap_msg_ptr is source for building Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 631 *
GeofferyOmlette 0:f6e4e1bbb3fe 632 * \return Return value is 0 in ok case and -1 in failure case
GeofferyOmlette 0:f6e4e1bbb3fe 633 */
GeofferyOmlette 0:f6e4e1bbb3fe 634 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 635 static int8_t sn_coap_builder_options_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 636 {
GeofferyOmlette 0:f6e4e1bbb3fe 637 if(!*dst_packet_data_pptr || !src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 638 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 639
GeofferyOmlette 0:f6e4e1bbb3fe 640 int16_t ret_status = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 641
GeofferyOmlette 0:f6e4e1bbb3fe 642 /* * * * Check if Options are used at all * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 643 if (src_coap_msg_ptr->uri_path_ptr == NULL && src_coap_msg_ptr->token_ptr == NULL &&
GeofferyOmlette 0:f6e4e1bbb3fe 644 src_coap_msg_ptr->content_type_ptr == NULL && src_coap_msg_ptr->options_list_ptr == NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 645 {
GeofferyOmlette 0:f6e4e1bbb3fe 646 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 647 }
GeofferyOmlette 0:f6e4e1bbb3fe 648
GeofferyOmlette 0:f6e4e1bbb3fe 649 /* * * * First add Token option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 650 if(src_coap_msg_ptr->token_len && src_coap_msg_ptr->token_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 651 {
GeofferyOmlette 0:f6e4e1bbb3fe 652 memcpy(*dst_packet_data_pptr, src_coap_msg_ptr->token_ptr, src_coap_msg_ptr->token_len);
GeofferyOmlette 0:f6e4e1bbb3fe 653 }
GeofferyOmlette 0:f6e4e1bbb3fe 654 (*dst_packet_data_pptr) += src_coap_msg_ptr->token_len;
GeofferyOmlette 0:f6e4e1bbb3fe 655
GeofferyOmlette 0:f6e4e1bbb3fe 656 /* Then build rest of the options */
GeofferyOmlette 0:f6e4e1bbb3fe 657
GeofferyOmlette 0:f6e4e1bbb3fe 658 /* * * * Initialize previous Option number for new built message * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 659 global_previous_option_number = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 660
GeofferyOmlette 0:f6e4e1bbb3fe 661 //missing: COAP_OPTION_IF_MATCH, COAP_OPTION_IF_NONE_MATCH, COAP_OPTION_SIZE
GeofferyOmlette 0:f6e4e1bbb3fe 662
GeofferyOmlette 0:f6e4e1bbb3fe 663 /* Check if less used options are used at all */
GeofferyOmlette 0:f6e4e1bbb3fe 664 if (src_coap_msg_ptr->options_list_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 665 {
GeofferyOmlette 0:f6e4e1bbb3fe 666 /* * * * Build Uri-Host option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 667 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->uri_host_len,
GeofferyOmlette 0:f6e4e1bbb3fe 668 src_coap_msg_ptr->options_list_ptr->uri_host_ptr, COAP_OPTION_URI_HOST);
GeofferyOmlette 0:f6e4e1bbb3fe 669 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 670 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 671
GeofferyOmlette 0:f6e4e1bbb3fe 672 /* * * * Build ETag option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 673 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->options_list_ptr->etag_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 674 (uint16_t *)&src_coap_msg_ptr->options_list_ptr->etag_len, COAP_OPTION_ETAG);
GeofferyOmlette 0:f6e4e1bbb3fe 675 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 676 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 677
GeofferyOmlette 0:f6e4e1bbb3fe 678 /* * * * Build Observe option * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 679 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->observe_len,
GeofferyOmlette 0:f6e4e1bbb3fe 680 src_coap_msg_ptr->options_list_ptr->observe_ptr, COAP_OPTION_OBSERVE);
GeofferyOmlette 0:f6e4e1bbb3fe 681 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 682 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 683
GeofferyOmlette 0:f6e4e1bbb3fe 684 /* * * * Build Uri-Port option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 685 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->uri_port_len,
GeofferyOmlette 0:f6e4e1bbb3fe 686 src_coap_msg_ptr->options_list_ptr->uri_port_ptr, COAP_OPTION_URI_PORT);
GeofferyOmlette 0:f6e4e1bbb3fe 687 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 688 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 689
GeofferyOmlette 0:f6e4e1bbb3fe 690 /* * * * Build Location-Path option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 691 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->options_list_ptr->location_path_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 692 &src_coap_msg_ptr->options_list_ptr->location_path_len, COAP_OPTION_LOCATION_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 693 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 694 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 695 }
GeofferyOmlette 0:f6e4e1bbb3fe 696 /* * * * Build Uri-Path option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 697 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->uri_path_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 698 &src_coap_msg_ptr->uri_path_len, COAP_OPTION_URI_PATH);
GeofferyOmlette 0:f6e4e1bbb3fe 699 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 700 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 701
GeofferyOmlette 0:f6e4e1bbb3fe 702 /* * * * Build Content-Type option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 703 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->content_type_len,
GeofferyOmlette 0:f6e4e1bbb3fe 704 src_coap_msg_ptr->content_type_ptr, COAP_OPTION_CONTENT_FORMAT);
GeofferyOmlette 0:f6e4e1bbb3fe 705 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 706 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 707
GeofferyOmlette 0:f6e4e1bbb3fe 708 if (src_coap_msg_ptr->options_list_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 709 {
GeofferyOmlette 0:f6e4e1bbb3fe 710 /* * * * Build Max-Age option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 711 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->max_age_len,
GeofferyOmlette 0:f6e4e1bbb3fe 712 src_coap_msg_ptr->options_list_ptr->max_age_ptr, COAP_OPTION_MAX_AGE);
GeofferyOmlette 0:f6e4e1bbb3fe 713 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 714 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 715
GeofferyOmlette 0:f6e4e1bbb3fe 716 /* * * * Build Uri-Query option * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 717 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->options_list_ptr->uri_query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 718 &src_coap_msg_ptr->options_list_ptr->uri_query_len, COAP_OPTION_URI_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 719 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 720 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 721
GeofferyOmlette 0:f6e4e1bbb3fe 722 /* * * * Build Accept option * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 723 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->options_list_ptr->accept_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 724 (uint16_t*)&src_coap_msg_ptr->options_list_ptr->accept_len, COAP_OPTION_ACCEPT);
GeofferyOmlette 0:f6e4e1bbb3fe 725 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 726 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 727 }
GeofferyOmlette 0:f6e4e1bbb3fe 728
GeofferyOmlette 0:f6e4e1bbb3fe 729 if (src_coap_msg_ptr->options_list_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 730 {
GeofferyOmlette 0:f6e4e1bbb3fe 731 /* * * * Build Location-Query option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 732 ret_status = sn_coap_builder_options_build_add_multiple_option(dst_packet_data_pptr, &src_coap_msg_ptr->options_list_ptr->location_query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 733 &src_coap_msg_ptr->options_list_ptr->location_query_len, COAP_OPTION_LOCATION_QUERY);
GeofferyOmlette 0:f6e4e1bbb3fe 734 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 735 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 736
GeofferyOmlette 0:f6e4e1bbb3fe 737 /* * * * Build Block2 option * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 738 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->block2_len,
GeofferyOmlette 0:f6e4e1bbb3fe 739 src_coap_msg_ptr->options_list_ptr->block2_ptr, COAP_OPTION_BLOCK2);
GeofferyOmlette 0:f6e4e1bbb3fe 740 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 741 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 742
GeofferyOmlette 0:f6e4e1bbb3fe 743 /* * * * Build Block1 option * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 744 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->block1_len,
GeofferyOmlette 0:f6e4e1bbb3fe 745 src_coap_msg_ptr->options_list_ptr->block1_ptr, COAP_OPTION_BLOCK1);
GeofferyOmlette 0:f6e4e1bbb3fe 746 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 747 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 748
GeofferyOmlette 0:f6e4e1bbb3fe 749 /* * * * Build Proxy-Uri option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 750 ret_status = sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, src_coap_msg_ptr->options_list_ptr->proxy_uri_len,
GeofferyOmlette 0:f6e4e1bbb3fe 751 src_coap_msg_ptr->options_list_ptr->proxy_uri_ptr, COAP_OPTION_PROXY_URI);
GeofferyOmlette 0:f6e4e1bbb3fe 752 if (ret_status == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 753 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 754 }
GeofferyOmlette 0:f6e4e1bbb3fe 755
GeofferyOmlette 0:f6e4e1bbb3fe 756 /* Success */
GeofferyOmlette 0:f6e4e1bbb3fe 757 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 758 }
GeofferyOmlette 0:f6e4e1bbb3fe 759
GeofferyOmlette 0:f6e4e1bbb3fe 760 /**
GeofferyOmlette 0:f6e4e1bbb3fe 761 * \fn static int16_t sn_coap_builder_options_build_add_one_option(uint8_t **dst_packet_data_pptr, uint16_t option_value_len, uint8_t *option_value_ptr, sn_coap_option_numbers_e option_number)
GeofferyOmlette 0:f6e4e1bbb3fe 762 *
GeofferyOmlette 0:f6e4e1bbb3fe 763 * \brief Adds Options part of Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 764 *
GeofferyOmlette 0:f6e4e1bbb3fe 765 * \param **dst_packet_data_pptr is destination for built Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 766 *
GeofferyOmlette 0:f6e4e1bbb3fe 767 * \param option_value_len is Option value length to be added
GeofferyOmlette 0:f6e4e1bbb3fe 768 *
GeofferyOmlette 0:f6e4e1bbb3fe 769 * \param *option_value_ptr is pointer to Option value data to be added
GeofferyOmlette 0:f6e4e1bbb3fe 770 *
GeofferyOmlette 0:f6e4e1bbb3fe 771 * \param option_number is Option number to be added
GeofferyOmlette 0:f6e4e1bbb3fe 772 *
GeofferyOmlette 0:f6e4e1bbb3fe 773 * \return Return value is 0 if option was not added, 1 if added and -1 in failure case
GeofferyOmlette 0:f6e4e1bbb3fe 774 */
GeofferyOmlette 0:f6e4e1bbb3fe 775 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 776 static int16_t sn_coap_builder_options_build_add_one_option(uint8_t **dst_packet_data_pptr, uint16_t option_len,
GeofferyOmlette 0:f6e4e1bbb3fe 777 uint8_t *option_ptr, sn_coap_option_numbers_e option_number)
GeofferyOmlette 0:f6e4e1bbb3fe 778 {
GeofferyOmlette 0:f6e4e1bbb3fe 779 /* Check if there is option at all */
GeofferyOmlette 0:f6e4e1bbb3fe 780 if (option_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 781 {
GeofferyOmlette 0:f6e4e1bbb3fe 782 uint16_t option_delta;
GeofferyOmlette 0:f6e4e1bbb3fe 783
GeofferyOmlette 0:f6e4e1bbb3fe 784 option_delta = (option_number - global_previous_option_number);
GeofferyOmlette 0:f6e4e1bbb3fe 785
GeofferyOmlette 0:f6e4e1bbb3fe 786 /* * * Build option header * * */
GeofferyOmlette 0:f6e4e1bbb3fe 787
GeofferyOmlette 0:f6e4e1bbb3fe 788 /* First option length without extended part */
GeofferyOmlette 0:f6e4e1bbb3fe 789 if(option_len <= 12)
GeofferyOmlette 0:f6e4e1bbb3fe 790 **dst_packet_data_pptr = option_len;
GeofferyOmlette 0:f6e4e1bbb3fe 791
GeofferyOmlette 0:f6e4e1bbb3fe 792 else if(option_len > 12 && option_len < 269)
GeofferyOmlette 0:f6e4e1bbb3fe 793 **dst_packet_data_pptr = 0x0D;
GeofferyOmlette 0:f6e4e1bbb3fe 794
GeofferyOmlette 0:f6e4e1bbb3fe 795 else if(option_len >= 269)
GeofferyOmlette 0:f6e4e1bbb3fe 796 **dst_packet_data_pptr = 0x0E;
GeofferyOmlette 0:f6e4e1bbb3fe 797
GeofferyOmlette 0:f6e4e1bbb3fe 798 /* Then option delta with extensions, and move pointer */
GeofferyOmlette 0:f6e4e1bbb3fe 799 if(option_delta <= 12)
GeofferyOmlette 0:f6e4e1bbb3fe 800 {
GeofferyOmlette 0:f6e4e1bbb3fe 801 **dst_packet_data_pptr += (option_delta << 4);
GeofferyOmlette 0:f6e4e1bbb3fe 802 *dst_packet_data_pptr += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 803 }
GeofferyOmlette 0:f6e4e1bbb3fe 804
GeofferyOmlette 0:f6e4e1bbb3fe 805 else if(option_delta > 12 && option_delta < 269)
GeofferyOmlette 0:f6e4e1bbb3fe 806 {
GeofferyOmlette 0:f6e4e1bbb3fe 807 **dst_packet_data_pptr += 0xD0;
GeofferyOmlette 0:f6e4e1bbb3fe 808 option_delta -= 13;
GeofferyOmlette 0:f6e4e1bbb3fe 809
GeofferyOmlette 0:f6e4e1bbb3fe 810 *(*dst_packet_data_pptr + 1) = (uint8_t)option_delta;
GeofferyOmlette 0:f6e4e1bbb3fe 811 *dst_packet_data_pptr += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 812 }
GeofferyOmlette 0:f6e4e1bbb3fe 813
GeofferyOmlette 0:f6e4e1bbb3fe 814 else if(option_delta >= 269)
GeofferyOmlette 0:f6e4e1bbb3fe 815 {
GeofferyOmlette 0:f6e4e1bbb3fe 816 **dst_packet_data_pptr += 0xE0;
GeofferyOmlette 0:f6e4e1bbb3fe 817 option_delta -= 269;
GeofferyOmlette 0:f6e4e1bbb3fe 818
GeofferyOmlette 0:f6e4e1bbb3fe 819 *(*dst_packet_data_pptr + 2) = (uint8_t)option_delta;
GeofferyOmlette 0:f6e4e1bbb3fe 820 *(*dst_packet_data_pptr + 1) = (option_delta >> 8);
GeofferyOmlette 0:f6e4e1bbb3fe 821 *dst_packet_data_pptr += 3;
GeofferyOmlette 0:f6e4e1bbb3fe 822 }
GeofferyOmlette 0:f6e4e1bbb3fe 823
GeofferyOmlette 0:f6e4e1bbb3fe 824 /* Now option length extensions, if needed */
GeofferyOmlette 0:f6e4e1bbb3fe 825 if(option_len > 12 && option_len < 269)
GeofferyOmlette 0:f6e4e1bbb3fe 826 {
GeofferyOmlette 0:f6e4e1bbb3fe 827 **dst_packet_data_pptr = (uint8_t)(option_len - 13);
GeofferyOmlette 0:f6e4e1bbb3fe 828 *dst_packet_data_pptr += 1;
GeofferyOmlette 0:f6e4e1bbb3fe 829 }
GeofferyOmlette 0:f6e4e1bbb3fe 830
GeofferyOmlette 0:f6e4e1bbb3fe 831 else if(option_len >= 269)
GeofferyOmlette 0:f6e4e1bbb3fe 832 {
GeofferyOmlette 0:f6e4e1bbb3fe 833 *(*dst_packet_data_pptr + 1) = (uint8_t)(option_len - 269);
GeofferyOmlette 0:f6e4e1bbb3fe 834 **dst_packet_data_pptr = ((option_len - 269) >> 8);
GeofferyOmlette 0:f6e4e1bbb3fe 835 *dst_packet_data_pptr += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 836 }
GeofferyOmlette 0:f6e4e1bbb3fe 837
GeofferyOmlette 0:f6e4e1bbb3fe 838
GeofferyOmlette 0:f6e4e1bbb3fe 839 global_previous_option_number = option_number;
GeofferyOmlette 0:f6e4e1bbb3fe 840
GeofferyOmlette 0:f6e4e1bbb3fe 841
GeofferyOmlette 0:f6e4e1bbb3fe 842 /* Write Option value */
GeofferyOmlette 0:f6e4e1bbb3fe 843 memcpy(*dst_packet_data_pptr, option_ptr, option_len);
GeofferyOmlette 0:f6e4e1bbb3fe 844
GeofferyOmlette 0:f6e4e1bbb3fe 845 /* Increase destination Packet data pointer */
GeofferyOmlette 0:f6e4e1bbb3fe 846 (*dst_packet_data_pptr) += option_len;
GeofferyOmlette 0:f6e4e1bbb3fe 847
GeofferyOmlette 0:f6e4e1bbb3fe 848 return 1;
GeofferyOmlette 0:f6e4e1bbb3fe 849 }
GeofferyOmlette 0:f6e4e1bbb3fe 850
GeofferyOmlette 0:f6e4e1bbb3fe 851 /* Success */
GeofferyOmlette 0:f6e4e1bbb3fe 852 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 853 }
GeofferyOmlette 0:f6e4e1bbb3fe 854
GeofferyOmlette 0:f6e4e1bbb3fe 855
GeofferyOmlette 0:f6e4e1bbb3fe 856 /**
GeofferyOmlette 0:f6e4e1bbb3fe 857 * \fn static int16_t sn_coap_builder_options_build_add_multiple_option(uint8_t **dst_packet_data_pptr, uint8_t **src_pptr, uint16_t *src_len_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 858 *
GeofferyOmlette 0:f6e4e1bbb3fe 859 * \brief Builds Option Uri-Query from given CoAP Header structure to Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 860 *
GeofferyOmlette 0:f6e4e1bbb3fe 861 * \param **dst_packet_data_pptr is destination for built Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 862 *
GeofferyOmlette 0:f6e4e1bbb3fe 863 * \param uint8_t **src_pptr
GeofferyOmlette 0:f6e4e1bbb3fe 864 *
GeofferyOmlette 0:f6e4e1bbb3fe 865 * \param uint16_t *src_len_ptr
GeofferyOmlette 0:f6e4e1bbb3fe 866 *
GeofferyOmlette 0:f6e4e1bbb3fe 867 * \paramsn_coap_option_numbers_e option option to be added
GeofferyOmlette 0:f6e4e1bbb3fe 868 *
GeofferyOmlette 0:f6e4e1bbb3fe 869 * \return Return value is 0 in ok case and -1 in failure case
GeofferyOmlette 0:f6e4e1bbb3fe 870 */
GeofferyOmlette 0:f6e4e1bbb3fe 871 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 872 static int16_t sn_coap_builder_options_build_add_multiple_option(uint8_t **dst_packet_data_pptr, uint8_t **src_pptr, uint16_t *src_len_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 873 {
GeofferyOmlette 0:f6e4e1bbb3fe 874 /* Check if there is option at all */
GeofferyOmlette 0:f6e4e1bbb3fe 875 if (*src_pptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 876 {
GeofferyOmlette 0:f6e4e1bbb3fe 877 uint8_t *query_ptr = *src_pptr;
GeofferyOmlette 0:f6e4e1bbb3fe 878 uint8_t query_part_count = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 879 uint16_t query_len = *src_len_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 880 uint8_t i = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 881 uint16_t query_part_offset = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 882
GeofferyOmlette 0:f6e4e1bbb3fe 883 /* Get query part count */
GeofferyOmlette 0:f6e4e1bbb3fe 884 query_part_count = sn_coap_builder_options_get_option_part_count(query_len, query_ptr, option);
GeofferyOmlette 0:f6e4e1bbb3fe 885
GeofferyOmlette 0:f6e4e1bbb3fe 886 /* * * * Options by adding all parts to option * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 887 for (i = 0; i < query_part_count; i++)
GeofferyOmlette 0:f6e4e1bbb3fe 888 {
GeofferyOmlette 0:f6e4e1bbb3fe 889 /* Get length of query part */
GeofferyOmlette 0:f6e4e1bbb3fe 890 uint16_t one_query_part_len = sn_coap_builder_options_get_option_part_length_from_whole_option_string(query_len, query_ptr, i, option);
GeofferyOmlette 0:f6e4e1bbb3fe 891
GeofferyOmlette 0:f6e4e1bbb3fe 892 /* Get position of query part */
GeofferyOmlette 0:f6e4e1bbb3fe 893 query_part_offset = sn_coap_builder_options_get_option_part_position(query_len, query_ptr, i, option);
GeofferyOmlette 0:f6e4e1bbb3fe 894
GeofferyOmlette 0:f6e4e1bbb3fe 895 /* Add Uri-query's one part to Options */
GeofferyOmlette 0:f6e4e1bbb3fe 896 if (sn_coap_builder_options_build_add_one_option(dst_packet_data_pptr, one_query_part_len, *src_pptr + query_part_offset, option) == -1)
GeofferyOmlette 0:f6e4e1bbb3fe 897 return -1; /* If failed, return -1 */
GeofferyOmlette 0:f6e4e1bbb3fe 898 }
GeofferyOmlette 0:f6e4e1bbb3fe 899 }
GeofferyOmlette 0:f6e4e1bbb3fe 900 /* Success */
GeofferyOmlette 0:f6e4e1bbb3fe 901 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 902 }
GeofferyOmlette 0:f6e4e1bbb3fe 903
GeofferyOmlette 0:f6e4e1bbb3fe 904
GeofferyOmlette 0:f6e4e1bbb3fe 905 /**
GeofferyOmlette 0:f6e4e1bbb3fe 906 * \fn static uint16_t sn_coap_builder_options_calc_option_size(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 907 *
GeofferyOmlette 0:f6e4e1bbb3fe 908 * \brief Calculates needed Packet data memory size for option
GeofferyOmlette 0:f6e4e1bbb3fe 909 *
GeofferyOmlette 0:f6e4e1bbb3fe 910 * \param path_len is length of calculated strting(s)
GeofferyOmlette 0:f6e4e1bbb3fe 911 *
GeofferyOmlette 0:f6e4e1bbb3fe 912 * \param *path_ptr is pointer to calculated options
GeofferyOmlette 0:f6e4e1bbb3fe 913 *
GeofferyOmlette 0:f6e4e1bbb3fe 914 * \return Return value is count of needed memory as bytes for Uri-query option
GeofferyOmlette 0:f6e4e1bbb3fe 915 */
GeofferyOmlette 0:f6e4e1bbb3fe 916 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 917 static uint16_t sn_coap_builder_options_calc_option_size(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 918 {
GeofferyOmlette 0:f6e4e1bbb3fe 919 uint8_t query_part_count = sn_coap_builder_options_get_option_part_count(query_len, query_ptr, option);
GeofferyOmlette 0:f6e4e1bbb3fe 920 uint8_t i = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 921 uint16_t ret_value = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 922
GeofferyOmlette 0:f6e4e1bbb3fe 923 /* * * * * * * * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 924 /* * * * Calculate Uri-query options length * * */
GeofferyOmlette 0:f6e4e1bbb3fe 925 /* * * * * * * * * * * * * * * * * * * * * * * * */
GeofferyOmlette 0:f6e4e1bbb3fe 926 for (i = 0; i < query_part_count; i++)
GeofferyOmlette 0:f6e4e1bbb3fe 927 {
GeofferyOmlette 0:f6e4e1bbb3fe 928 /* * * Length of Option number and Option value length * * */
GeofferyOmlette 0:f6e4e1bbb3fe 929
GeofferyOmlette 0:f6e4e1bbb3fe 930 /* Get length of Query part */
GeofferyOmlette 0:f6e4e1bbb3fe 931 uint16_t one_query_part_len = sn_coap_builder_options_get_option_part_length_from_whole_option_string(query_len, query_ptr, i, option);
GeofferyOmlette 0:f6e4e1bbb3fe 932
GeofferyOmlette 0:f6e4e1bbb3fe 933 /* Check option length */
GeofferyOmlette 0:f6e4e1bbb3fe 934 switch(option)
GeofferyOmlette 0:f6e4e1bbb3fe 935 {
GeofferyOmlette 0:f6e4e1bbb3fe 936 case(COAP_OPTION_ETAG): /* Length 1-8 */
GeofferyOmlette 0:f6e4e1bbb3fe 937 if(one_query_part_len < 1 || one_query_part_len > 8)
GeofferyOmlette 0:f6e4e1bbb3fe 938 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 939 break;
GeofferyOmlette 0:f6e4e1bbb3fe 940 case(COAP_OPTION_LOCATION_PATH): /* Length 0-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 941 case(COAP_OPTION_URI_PATH): /* Length 0-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 942 case(COAP_OPTION_LOCATION_QUERY): /* Length 0-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 943 if(one_query_part_len > 255)
GeofferyOmlette 0:f6e4e1bbb3fe 944 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 945 break;
GeofferyOmlette 0:f6e4e1bbb3fe 946 case(COAP_OPTION_URI_QUERY): /* Length 1-255 */
GeofferyOmlette 0:f6e4e1bbb3fe 947 if(one_query_part_len < 1 || one_query_part_len > 255)
GeofferyOmlette 0:f6e4e1bbb3fe 948 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 949 break;
GeofferyOmlette 0:f6e4e1bbb3fe 950 case(COAP_OPTION_ACCEPT): /* Length 0-2 */
GeofferyOmlette 0:f6e4e1bbb3fe 951 if(one_query_part_len > 2)
GeofferyOmlette 0:f6e4e1bbb3fe 952 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 953 break;
GeofferyOmlette 0:f6e4e1bbb3fe 954 default:
GeofferyOmlette 0:f6e4e1bbb3fe 955 break;
GeofferyOmlette 0:f6e4e1bbb3fe 956 }
GeofferyOmlette 0:f6e4e1bbb3fe 957
GeofferyOmlette 0:f6e4e1bbb3fe 958 /* Check if 4 bits are enough for writing Option value length */
GeofferyOmlette 0:f6e4e1bbb3fe 959 if (one_query_part_len <= 12)
GeofferyOmlette 0:f6e4e1bbb3fe 960 {
GeofferyOmlette 0:f6e4e1bbb3fe 961 /* 4 bits are enough for Option value length */
GeofferyOmlette 0:f6e4e1bbb3fe 962 ret_value++;
GeofferyOmlette 0:f6e4e1bbb3fe 963 }
GeofferyOmlette 0:f6e4e1bbb3fe 964 else if (one_query_part_len >= 13 && one_query_part_len < 269)
GeofferyOmlette 0:f6e4e1bbb3fe 965 {
GeofferyOmlette 0:f6e4e1bbb3fe 966 /* Extra byte for Option value length is needed */
GeofferyOmlette 0:f6e4e1bbb3fe 967 ret_value += 2;
GeofferyOmlette 0:f6e4e1bbb3fe 968 }
GeofferyOmlette 0:f6e4e1bbb3fe 969 else if (one_query_part_len >= 270 && one_query_part_len < 1034)
GeofferyOmlette 0:f6e4e1bbb3fe 970 {
GeofferyOmlette 0:f6e4e1bbb3fe 971 /* Extra bytes for Option value length is needed */
GeofferyOmlette 0:f6e4e1bbb3fe 972 ret_value += 3;
GeofferyOmlette 0:f6e4e1bbb3fe 973 }
GeofferyOmlette 0:f6e4e1bbb3fe 974
GeofferyOmlette 0:f6e4e1bbb3fe 975
GeofferyOmlette 0:f6e4e1bbb3fe 976 /* * * Length of Option value * * */
GeofferyOmlette 0:f6e4e1bbb3fe 977
GeofferyOmlette 0:f6e4e1bbb3fe 978 /* Increase options length */
GeofferyOmlette 0:f6e4e1bbb3fe 979 ret_value += one_query_part_len;
GeofferyOmlette 0:f6e4e1bbb3fe 980 }
GeofferyOmlette 0:f6e4e1bbb3fe 981
GeofferyOmlette 0:f6e4e1bbb3fe 982 /* Success */
GeofferyOmlette 0:f6e4e1bbb3fe 983 return ret_value;
GeofferyOmlette 0:f6e4e1bbb3fe 984 }
GeofferyOmlette 0:f6e4e1bbb3fe 985
GeofferyOmlette 0:f6e4e1bbb3fe 986
GeofferyOmlette 0:f6e4e1bbb3fe 987
GeofferyOmlette 0:f6e4e1bbb3fe 988 /**
GeofferyOmlette 0:f6e4e1bbb3fe 989 * \fn static uint8_t sn_coap_builder_options_get_option_part_count(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 990 *
GeofferyOmlette 0:f6e4e1bbb3fe 991 * \brief Gets query part count from whole option string
GeofferyOmlette 0:f6e4e1bbb3fe 992 *
GeofferyOmlette 0:f6e4e1bbb3fe 993 * \param query_len is length of whole Path
GeofferyOmlette 0:f6e4e1bbb3fe 994 *
GeofferyOmlette 0:f6e4e1bbb3fe 995 * \param *query_ptr is pointer to the start of whole Path
GeofferyOmlette 0:f6e4e1bbb3fe 996 *
GeofferyOmlette 0:f6e4e1bbb3fe 997 * \return Return value is count of query parts
GeofferyOmlette 0:f6e4e1bbb3fe 998 */
GeofferyOmlette 0:f6e4e1bbb3fe 999 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 1000 static uint8_t sn_coap_builder_options_get_option_part_count(uint16_t query_len, uint8_t *query_ptr, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 1001 {
GeofferyOmlette 0:f6e4e1bbb3fe 1002 uint8_t returned_query_count = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1003 uint16_t query_len_index = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1004 uint8_t char_to_search = '&';
GeofferyOmlette 0:f6e4e1bbb3fe 1005
GeofferyOmlette 0:f6e4e1bbb3fe 1006 if(option == COAP_OPTION_URI_PATH || option == COAP_OPTION_LOCATION_PATH)
GeofferyOmlette 0:f6e4e1bbb3fe 1007 char_to_search = '/';
GeofferyOmlette 0:f6e4e1bbb3fe 1008
GeofferyOmlette 0:f6e4e1bbb3fe 1009 /* Loop whole query and search '\0' characters (not first and last char) */
GeofferyOmlette 0:f6e4e1bbb3fe 1010 for (query_len_index = 1; query_len_index < query_len - 1; query_len_index++)
GeofferyOmlette 0:f6e4e1bbb3fe 1011 {
GeofferyOmlette 0:f6e4e1bbb3fe 1012 /* If new query part starts */
GeofferyOmlette 0:f6e4e1bbb3fe 1013 if (*(query_ptr + query_len_index) == char_to_search) /* If match */
GeofferyOmlette 0:f6e4e1bbb3fe 1014 {
GeofferyOmlette 0:f6e4e1bbb3fe 1015 returned_query_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 1016 }
GeofferyOmlette 0:f6e4e1bbb3fe 1017 }
GeofferyOmlette 0:f6e4e1bbb3fe 1018
GeofferyOmlette 0:f6e4e1bbb3fe 1019 returned_query_count++;
GeofferyOmlette 0:f6e4e1bbb3fe 1020
GeofferyOmlette 0:f6e4e1bbb3fe 1021 return returned_query_count;
GeofferyOmlette 0:f6e4e1bbb3fe 1022 }
GeofferyOmlette 0:f6e4e1bbb3fe 1023
GeofferyOmlette 0:f6e4e1bbb3fe 1024 /**
GeofferyOmlette 0:f6e4e1bbb3fe 1025 * \fn static uint16_t sn_coap_builder_options_get_option_part_length_from_whole_option_string(uint16_t query_len,
GeofferyOmlette 0:f6e4e1bbb3fe 1026 uint8_t *query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 1027 uint8_t query_index, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 1028 *
GeofferyOmlette 0:f6e4e1bbb3fe 1029 * \brief Gets one's query part length from whole query string
GeofferyOmlette 0:f6e4e1bbb3fe 1030 *
GeofferyOmlette 0:f6e4e1bbb3fe 1031 * \param query_len is length of whole string
GeofferyOmlette 0:f6e4e1bbb3fe 1032 *
GeofferyOmlette 0:f6e4e1bbb3fe 1033 * \param *query_ptr is pointer to the start of whole string
GeofferyOmlette 0:f6e4e1bbb3fe 1034 *
GeofferyOmlette 0:f6e4e1bbb3fe 1035 * \param query_index is query part index to be found
GeofferyOmlette 0:f6e4e1bbb3fe 1036 *
GeofferyOmlette 0:f6e4e1bbb3fe 1037 * \param sn_coap_option_numbers_e option is option number of the option
GeofferyOmlette 0:f6e4e1bbb3fe 1038 *
GeofferyOmlette 0:f6e4e1bbb3fe 1039 * \return Return value is length of query part
GeofferyOmlette 0:f6e4e1bbb3fe 1040 */
GeofferyOmlette 0:f6e4e1bbb3fe 1041 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 1042 static uint16_t sn_coap_builder_options_get_option_part_length_from_whole_option_string(uint16_t query_len, uint8_t *query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 1043 uint8_t query_index, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 1044 {
GeofferyOmlette 0:f6e4e1bbb3fe 1045 uint16_t returned_query_part_len = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1046 uint8_t temp_query_index = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1047 uint16_t query_len_index = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1048 uint8_t char_to_search = '&';
GeofferyOmlette 0:f6e4e1bbb3fe 1049
GeofferyOmlette 0:f6e4e1bbb3fe 1050 if(option == COAP_OPTION_URI_PATH || option == COAP_OPTION_LOCATION_PATH)
GeofferyOmlette 0:f6e4e1bbb3fe 1051 char_to_search = '/';
GeofferyOmlette 0:f6e4e1bbb3fe 1052
GeofferyOmlette 0:f6e4e1bbb3fe 1053 /* Loop whole query and search '\0' characters */
GeofferyOmlette 0:f6e4e1bbb3fe 1054 for (query_len_index = 0; query_len_index < query_len; query_len_index++)
GeofferyOmlette 0:f6e4e1bbb3fe 1055 {
GeofferyOmlette 0:f6e4e1bbb3fe 1056 /* Store character to temp_char for helping debugging */
GeofferyOmlette 0:f6e4e1bbb3fe 1057 uint8_t temp_char = *query_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 1058
GeofferyOmlette 0:f6e4e1bbb3fe 1059 /* If new query part starts */
GeofferyOmlette 0:f6e4e1bbb3fe 1060 if (temp_char == char_to_search && returned_query_part_len > 0) /* returned_query_part_len > 0 is for querys which start with "\0" */
GeofferyOmlette 0:f6e4e1bbb3fe 1061 {
GeofferyOmlette 0:f6e4e1bbb3fe 1062 /* If query part index is wanted */
GeofferyOmlette 0:f6e4e1bbb3fe 1063 if (temp_query_index == query_index)
GeofferyOmlette 0:f6e4e1bbb3fe 1064 {
GeofferyOmlette 0:f6e4e1bbb3fe 1065 /* Return length of query part */
GeofferyOmlette 0:f6e4e1bbb3fe 1066 return returned_query_part_len;
GeofferyOmlette 0:f6e4e1bbb3fe 1067 }
GeofferyOmlette 0:f6e4e1bbb3fe 1068 else
GeofferyOmlette 0:f6e4e1bbb3fe 1069 {
GeofferyOmlette 0:f6e4e1bbb3fe 1070 /* Reset length of query part because wanted query part finding continues*/
GeofferyOmlette 0:f6e4e1bbb3fe 1071 returned_query_part_len = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1072 }
GeofferyOmlette 0:f6e4e1bbb3fe 1073
GeofferyOmlette 0:f6e4e1bbb3fe 1074 /* Next query part is looped */
GeofferyOmlette 0:f6e4e1bbb3fe 1075 temp_query_index++;
GeofferyOmlette 0:f6e4e1bbb3fe 1076 }
GeofferyOmlette 0:f6e4e1bbb3fe 1077 else if (temp_char != char_to_search) /* Else if query part continues */
GeofferyOmlette 0:f6e4e1bbb3fe 1078 {
GeofferyOmlette 0:f6e4e1bbb3fe 1079 /* Increase query part length */
GeofferyOmlette 0:f6e4e1bbb3fe 1080 returned_query_part_len++;
GeofferyOmlette 0:f6e4e1bbb3fe 1081 }
GeofferyOmlette 0:f6e4e1bbb3fe 1082
GeofferyOmlette 0:f6e4e1bbb3fe 1083 query_ptr++;
GeofferyOmlette 0:f6e4e1bbb3fe 1084 }
GeofferyOmlette 0:f6e4e1bbb3fe 1085
GeofferyOmlette 0:f6e4e1bbb3fe 1086 /* Return length of query part in cases that query part does not finish to '\0' character (last query part can be like that) */
GeofferyOmlette 0:f6e4e1bbb3fe 1087 return returned_query_part_len;
GeofferyOmlette 0:f6e4e1bbb3fe 1088 }
GeofferyOmlette 0:f6e4e1bbb3fe 1089
GeofferyOmlette 0:f6e4e1bbb3fe 1090 /**
GeofferyOmlette 0:f6e4e1bbb3fe 1091 * \fn static uint16_t sn_coap_builder_options_get_option_part_position(uint16_t query_len,
GeofferyOmlette 0:f6e4e1bbb3fe 1092 uint8_t *query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 1093 uint8_t query_index, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 1094 *
GeofferyOmlette 0:f6e4e1bbb3fe 1095 * \brief Gets query part position in whole query
GeofferyOmlette 0:f6e4e1bbb3fe 1096 *
GeofferyOmlette 0:f6e4e1bbb3fe 1097 * \param query_len is length of whole query
GeofferyOmlette 0:f6e4e1bbb3fe 1098 *
GeofferyOmlette 0:f6e4e1bbb3fe 1099 * \param *query_ptr is pointer to the start of whole query
GeofferyOmlette 0:f6e4e1bbb3fe 1100 *
GeofferyOmlette 0:f6e4e1bbb3fe 1101 * \param query_index is query part index to be found
GeofferyOmlette 0:f6e4e1bbb3fe 1102 *
GeofferyOmlette 0:f6e4e1bbb3fe 1103 * \return Return value is position (= offset) of query part in whole query. In
GeofferyOmlette 0:f6e4e1bbb3fe 1104 * fail cases -1 is returned.
GeofferyOmlette 0:f6e4e1bbb3fe 1105 */
GeofferyOmlette 0:f6e4e1bbb3fe 1106 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 1107 static int16_t sn_coap_builder_options_get_option_part_position(uint16_t query_len, uint8_t *query_ptr,
GeofferyOmlette 0:f6e4e1bbb3fe 1108 uint8_t query_index, sn_coap_option_numbers_e option)
GeofferyOmlette 0:f6e4e1bbb3fe 1109 {
GeofferyOmlette 0:f6e4e1bbb3fe 1110 uint16_t returned_query_part_offset = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1111 uint8_t temp_query_index = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1112 uint16_t query_len_index = 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1113 uint8_t char_to_search = '&';
GeofferyOmlette 0:f6e4e1bbb3fe 1114
GeofferyOmlette 0:f6e4e1bbb3fe 1115 if(option == COAP_OPTION_URI_PATH || option == COAP_OPTION_LOCATION_PATH)
GeofferyOmlette 0:f6e4e1bbb3fe 1116 char_to_search = '/';
GeofferyOmlette 0:f6e4e1bbb3fe 1117
GeofferyOmlette 0:f6e4e1bbb3fe 1118 if (query_index == 0)
GeofferyOmlette 0:f6e4e1bbb3fe 1119 {
GeofferyOmlette 0:f6e4e1bbb3fe 1120 if (*query_ptr == 0 || *query_ptr == char_to_search)
GeofferyOmlette 0:f6e4e1bbb3fe 1121 {
GeofferyOmlette 0:f6e4e1bbb3fe 1122 return 1;
GeofferyOmlette 0:f6e4e1bbb3fe 1123 }
GeofferyOmlette 0:f6e4e1bbb3fe 1124 else
GeofferyOmlette 0:f6e4e1bbb3fe 1125 {
GeofferyOmlette 0:f6e4e1bbb3fe 1126 return 0;
GeofferyOmlette 0:f6e4e1bbb3fe 1127 }
GeofferyOmlette 0:f6e4e1bbb3fe 1128 }
GeofferyOmlette 0:f6e4e1bbb3fe 1129
GeofferyOmlette 0:f6e4e1bbb3fe 1130 /* Loop whole query and search separator characters */
GeofferyOmlette 0:f6e4e1bbb3fe 1131 for (query_len_index = 0; query_len_index < query_len; query_len_index++)
GeofferyOmlette 0:f6e4e1bbb3fe 1132 {
GeofferyOmlette 0:f6e4e1bbb3fe 1133 /* Store character to temp_char for helping debugging */
GeofferyOmlette 0:f6e4e1bbb3fe 1134 uint8_t temp_char = *query_ptr;
GeofferyOmlette 0:f6e4e1bbb3fe 1135
GeofferyOmlette 0:f6e4e1bbb3fe 1136 /* If new query part starts */
GeofferyOmlette 0:f6e4e1bbb3fe 1137 if (temp_char == char_to_search && returned_query_part_offset > 0) /* returned_query_part_offset > 0 is for querys which start with searched char */
GeofferyOmlette 0:f6e4e1bbb3fe 1138 {
GeofferyOmlette 0:f6e4e1bbb3fe 1139 /* If query part index is wanted */
GeofferyOmlette 0:f6e4e1bbb3fe 1140 if (temp_query_index == (query_index - 1))
GeofferyOmlette 0:f6e4e1bbb3fe 1141 {
GeofferyOmlette 0:f6e4e1bbb3fe 1142 /* Return offset of query part */
GeofferyOmlette 0:f6e4e1bbb3fe 1143 return (returned_query_part_offset + 1); /* Plus one is for passing separator */
GeofferyOmlette 0:f6e4e1bbb3fe 1144 }
GeofferyOmlette 0:f6e4e1bbb3fe 1145
GeofferyOmlette 0:f6e4e1bbb3fe 1146 /* Next query part is looped */
GeofferyOmlette 0:f6e4e1bbb3fe 1147 temp_query_index++;
GeofferyOmlette 0:f6e4e1bbb3fe 1148 }
GeofferyOmlette 0:f6e4e1bbb3fe 1149
GeofferyOmlette 0:f6e4e1bbb3fe 1150 returned_query_part_offset++;
GeofferyOmlette 0:f6e4e1bbb3fe 1151
GeofferyOmlette 0:f6e4e1bbb3fe 1152 query_ptr++;
GeofferyOmlette 0:f6e4e1bbb3fe 1153 }
GeofferyOmlette 0:f6e4e1bbb3fe 1154
GeofferyOmlette 0:f6e4e1bbb3fe 1155 return -1;
GeofferyOmlette 0:f6e4e1bbb3fe 1156 }
GeofferyOmlette 0:f6e4e1bbb3fe 1157
GeofferyOmlette 0:f6e4e1bbb3fe 1158
GeofferyOmlette 0:f6e4e1bbb3fe 1159 /**
GeofferyOmlette 0:f6e4e1bbb3fe 1160 * \fn SN_MEM_ATTR_COAP_BUILDER_FUNC static void sn_coap_builder_payload_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 1161 *
GeofferyOmlette 0:f6e4e1bbb3fe 1162 * \brief Builds Options part of Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 1163 *
GeofferyOmlette 0:f6e4e1bbb3fe 1164 * \param **dst_packet_data_pptr is destination for built Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 1165 *
GeofferyOmlette 0:f6e4e1bbb3fe 1166 * \param *src_coap_msg_ptr is source for building Packet data
GeofferyOmlette 0:f6e4e1bbb3fe 1167 */
GeofferyOmlette 0:f6e4e1bbb3fe 1168 SN_MEM_ATTR_COAP_BUILDER_FUNC
GeofferyOmlette 0:f6e4e1bbb3fe 1169 static void sn_coap_builder_payload_build(uint8_t **dst_packet_data_pptr, sn_coap_hdr_s *src_coap_msg_ptr)
GeofferyOmlette 0:f6e4e1bbb3fe 1170 {
GeofferyOmlette 0:f6e4e1bbb3fe 1171 /* Check if Payload is used at all */
GeofferyOmlette 0:f6e4e1bbb3fe 1172 if (src_coap_msg_ptr->payload_ptr != NULL)
GeofferyOmlette 0:f6e4e1bbb3fe 1173 {
GeofferyOmlette 0:f6e4e1bbb3fe 1174 /* Write Payload marker */
GeofferyOmlette 0:f6e4e1bbb3fe 1175
GeofferyOmlette 0:f6e4e1bbb3fe 1176 **dst_packet_data_pptr = 0xff;
GeofferyOmlette 0:f6e4e1bbb3fe 1177 (*dst_packet_data_pptr)++;
GeofferyOmlette 0:f6e4e1bbb3fe 1178
GeofferyOmlette 0:f6e4e1bbb3fe 1179 /* Write Payload */
GeofferyOmlette 0:f6e4e1bbb3fe 1180 memcpy(*dst_packet_data_pptr, src_coap_msg_ptr->payload_ptr, src_coap_msg_ptr->payload_len);
GeofferyOmlette 0:f6e4e1bbb3fe 1181
GeofferyOmlette 0:f6e4e1bbb3fe 1182 /* Increase destination Packet data pointer */
GeofferyOmlette 0:f6e4e1bbb3fe 1183 (*dst_packet_data_pptr) += src_coap_msg_ptr->payload_len;
GeofferyOmlette 0:f6e4e1bbb3fe 1184 }
GeofferyOmlette 0:f6e4e1bbb3fe 1185 }