1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 24 * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define BTSTACK_FILE__ "goep_client.c" 39 40 #include "btstack_config.h" 41 42 #include <stdint.h> 43 #include <string.h> 44 45 #include "btstack_debug.h" 46 #include "hci_dump.h" 47 #include "bluetooth_sdp.h" 48 #include "btstack_event.h" 49 #include "classic/goep_client.h" 50 #include "classic/obex_message_builder.h" 51 #include "classic/obex.h" 52 #include "classic/obex_iterator.h" 53 #include "classic/rfcomm.h" 54 #include "classic/sdp_client.h" 55 #include "classic/sdp_util.h" 56 #include "l2cap.h" 57 58 //------------------------------------------------------------------------------------------------------------ 59 // goep_client.c 60 // 61 62 // #define ENABLE_GOEP_L2CAP 63 64 #ifdef ENABLE_GOEP_L2CAP 65 #ifndef ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE 66 #error "ENABLE_GOEP_L2CAP requires ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE. Please enable ENABLE_L2CAP_ENHANCED_RETRANSMISSION_MODE or disable ENABLE_GOEP_L2CAP" 67 #endif 68 #endif 69 70 typedef enum { 71 GOEP_INIT, 72 GOEP_W4_SDP, 73 GOEP_W4_CONNECTION, 74 GOEP_CONNECTED, 75 } goep_state_t; 76 77 typedef struct { 78 uint16_t cid; 79 goep_state_t state; 80 bd_addr_t bd_addr; 81 uint16_t uuid; 82 hci_con_handle_t con_handle; 83 uint8_t incoming; 84 uint8_t rfcomm_port; 85 uint16_t l2cap_psm; 86 uint16_t bearer_cid; 87 uint16_t bearer_mtu; 88 89 // cached higher layer information PBAP + MAP 90 uint32_t profile_supported_features; 91 uint8_t map_mas_instance_id; 92 uint8_t map_supported_message_types; 93 94 uint8_t obex_opcode; 95 uint32_t obex_connection_id; 96 int obex_connection_id_set; 97 98 btstack_packet_handler_t client_handler; 99 } goep_client_t; 100 101 static goep_client_t goep_client_singleton; 102 static goep_client_t * goep_client = &goep_client_singleton; 103 104 static uint8_t goep_client_sdp_query_attribute_value[30]; 105 static const unsigned int goep_client_sdp_query_attribute_value_buffer_size = sizeof(goep_client_sdp_query_attribute_value); 106 107 static uint8_t goep_packet_buffer[150]; 108 109 #ifdef ENABLE_GOEP_L2CAP 110 static uint8_t ertm_buffer[1000]; 111 static l2cap_ertm_config_t ertm_config = { 112 1, // ertm mandatory 113 2, // max transmit, some tests require > 1 114 2000, 115 12000, 116 512, // l2cap ertm mtu 117 2, 118 2, 119 1, // 16-bit FCS 120 }; 121 #endif 122 123 static inline void goep_client_emit_connected_event(goep_client_t * context, uint8_t status){ 124 uint8_t event[15]; 125 int pos = 0; 126 event[pos++] = HCI_EVENT_GOEP_META; 127 pos++; // skip len 128 event[pos++] = GOEP_SUBEVENT_CONNECTION_OPENED; 129 little_endian_store_16(event,pos,context->cid); 130 pos+=2; 131 event[pos++] = status; 132 (void)memcpy(&event[pos], context->bd_addr, 6); 133 pos += 6; 134 little_endian_store_16(event,pos,context->con_handle); 135 pos += 2; 136 event[pos++] = context->incoming; 137 event[1] = pos - 2; 138 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 139 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 140 } 141 142 static inline void goep_client_emit_connection_closed_event(goep_client_t * context){ 143 uint8_t event[5]; 144 int pos = 0; 145 event[pos++] = HCI_EVENT_GOEP_META; 146 pos++; // skip len 147 event[pos++] = GOEP_SUBEVENT_CONNECTION_CLOSED; 148 little_endian_store_16(event,pos,context->cid); 149 pos+=2; 150 event[1] = pos - 2; 151 if (pos != sizeof(event)) log_error("goep_client_emit_connection_closed_event size %u", pos); 152 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 153 } 154 155 static inline void goep_client_emit_can_send_now_event(goep_client_t * context){ 156 uint8_t event[5]; 157 int pos = 0; 158 event[pos++] = HCI_EVENT_GOEP_META; 159 pos++; // skip len 160 event[pos++] = GOEP_SUBEVENT_CAN_SEND_NOW; 161 little_endian_store_16(event,pos,context->cid); 162 pos+=2; 163 event[1] = pos - 2; 164 if (pos != sizeof(event)) log_error("goep_client_emit_can_send_now_event size %u", pos); 165 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 166 } 167 168 static void goep_client_handle_connection_opened(goep_client_t * context, uint8_t status, uint16_t mtu){ 169 if (status) { 170 context->state = GOEP_INIT; 171 log_info("goep_client: open failed, status %u", status); 172 } else { 173 context->bearer_mtu = mtu; 174 context->state = GOEP_CONNECTED; 175 log_info("goep_client: connection opened. cid %u, max frame size %u", context->bearer_cid, context->bearer_mtu); 176 } 177 goep_client_emit_connected_event(context, status); 178 } 179 180 static void goep_client_handle_connection_close(goep_client_t * context){ 181 context->state = GOEP_INIT; 182 goep_client_emit_connection_closed_event(context); 183 } 184 185 static void goep_client_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 186 UNUSED(channel); 187 UNUSED(size); 188 goep_client_t * context = goep_client; 189 switch (packet_type){ 190 case HCI_EVENT_PACKET: 191 switch (hci_event_packet_get_type(packet)) { 192 #ifdef ENABLE_GOEP_L2CAP 193 case L2CAP_EVENT_CHANNEL_OPENED: 194 goep_client_handle_connection_opened(context, l2cap_event_channel_opened_get_status(packet), 195 btstack_min(l2cap_event_channel_opened_get_remote_mtu(packet), l2cap_event_channel_opened_get_local_mtu(packet))); 196 return; 197 case L2CAP_EVENT_CAN_SEND_NOW: 198 goep_client_emit_can_send_now_event(context); 199 break; 200 case L2CAP_EVENT_CHANNEL_CLOSED: 201 goep_client_handle_connection_close(context); 202 break; 203 #endif 204 case RFCOMM_EVENT_CHANNEL_OPENED: 205 goep_client_handle_connection_opened(context, rfcomm_event_channel_opened_get_status(packet), rfcomm_event_channel_opened_get_max_frame_size(packet)); 206 return; 207 case RFCOMM_EVENT_CAN_SEND_NOW: 208 goep_client_emit_can_send_now_event(context); 209 break; 210 case RFCOMM_EVENT_CHANNEL_CLOSED: 211 goep_client_handle_connection_close(context); 212 break; 213 default: 214 break; 215 } 216 break; 217 case L2CAP_DATA_PACKET: 218 case RFCOMM_DATA_PACKET: 219 context->client_handler(GOEP_DATA_PACKET, context->cid, packet, size); 220 break; 221 default: 222 break; 223 } 224 } 225 226 static void goep_client_handle_sdp_query_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 227 goep_client_t * context = goep_client; 228 229 UNUSED(packet_type); 230 UNUSED(channel); 231 UNUSED(size); 232 233 des_iterator_t des_list_it; 234 des_iterator_t prot_it; 235 uint8_t status; 236 237 238 switch (hci_event_packet_get_type(packet)){ 239 case SDP_EVENT_QUERY_ATTRIBUTE_VALUE: 240 241 // check if relevant attribute 242 switch(sdp_event_query_attribute_byte_get_attribute_id(packet)){ 243 case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST: 244 case BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES: 245 #ifdef ENABLE_GOEP_L2CAP 246 case BLUETOOTH_ATTRIBUTE_GOEP_L2CAP_PSM: 247 #endif 248 break; 249 default: 250 return; 251 } 252 253 // warn if attribute too large to fit in our buffer 254 if (sdp_event_query_attribute_byte_get_attribute_length(packet) > goep_client_sdp_query_attribute_value_buffer_size) { 255 log_error("SDP attribute value size exceeded for attribute %x: available %d, required %d", sdp_event_query_attribute_byte_get_attribute_id(packet), goep_client_sdp_query_attribute_value_buffer_size, sdp_event_query_attribute_byte_get_attribute_length(packet)); 256 break; 257 } 258 259 // store single byte 260 goep_client_sdp_query_attribute_value[sdp_event_query_attribute_byte_get_data_offset(packet)] = sdp_event_query_attribute_byte_get_data(packet); 261 262 // wait until value fully received 263 if ((uint16_t)(sdp_event_query_attribute_byte_get_data_offset(packet)+1) != sdp_event_query_attribute_byte_get_attribute_length(packet)) break; 264 265 // process attributes 266 switch(sdp_event_query_attribute_byte_get_attribute_id(packet)) { 267 case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST: 268 for (des_iterator_init(&des_list_it, goep_client_sdp_query_attribute_value); des_iterator_has_more(&des_list_it); des_iterator_next(&des_list_it)) { 269 uint8_t *des_element; 270 uint8_t *element; 271 uint32_t uuid; 272 #ifdef ENABLE_GOEP_L2CAP 273 uint16_t l2cap_psm; 274 #endif 275 276 if (des_iterator_get_type(&des_list_it) != DE_DES) continue; 277 278 des_element = des_iterator_get_element(&des_list_it); 279 des_iterator_init(&prot_it, des_element); 280 281 // first element is UUID 282 element = des_iterator_get_element(&prot_it); 283 if (de_get_element_type(element) != DE_UUID) continue; 284 285 uuid = de_get_uuid32(element); 286 des_iterator_next(&prot_it); 287 if (!des_iterator_has_more(&prot_it)) continue; 288 289 // second element is RFCOMM server channel or L2CAP PSM 290 element = des_iterator_get_element(&prot_it); 291 switch (uuid){ 292 #ifdef ENABLE_GOEP_L2CAP 293 case BLUETOOTH_PROTOCOL_L2CAP: 294 if (de_element_get_uint16(element, &l2cap_psm)){ 295 context->l2cap_psm = l2cap_psm; 296 } 297 break; 298 #endif 299 case BLUETOOTH_PROTOCOL_RFCOMM: 300 context->rfcomm_port = element[de_get_header_size(element)]; 301 break; 302 default: 303 break; 304 } 305 } 306 break; 307 #ifdef ENABLE_GOEP_L2CAP 308 case BLUETOOTH_ATTRIBUTE_GOEP_L2CAP_PSM: 309 de_element_get_uint16(goep_client_sdp_query_attribute_value, &context->l2cap_psm); 310 break; 311 #endif 312 // BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES == BLUETOOTH_ATTRIBUTE_MAP_SUPPORTED_FEATURES == 0x0317 313 case BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES: 314 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 315 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_32) break; 316 context->profile_supported_features = big_endian_read_32(goep_client_sdp_query_attribute_value, de_get_header_size(goep_client_sdp_query_attribute_value)); 317 log_info("PBAP/MAP supported_features 0x%x", (unsigned int) context->profile_supported_features); 318 break; 319 320 case BLUETOOTH_ATTRIBUTE_MAS_INSTANCE_ID: 321 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 322 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_8) break; 323 context->map_mas_instance_id = goep_client_sdp_query_attribute_value[de_get_header_size(goep_client_sdp_query_attribute_value)]; 324 log_info("MAS Instance ID 0x%x", context->map_mas_instance_id); 325 break; 326 327 case BLUETOOTH_ATTRIBUTE_SUPPORTED_MESSAGE_TYPES: 328 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 329 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_8) break; 330 context->map_supported_message_types = goep_client_sdp_query_attribute_value[de_get_header_size(goep_client_sdp_query_attribute_value)]; 331 log_info("Supported Message Types 0x%x", context->map_mas_instance_id); 332 break; 333 334 default: 335 break; 336 } 337 break; 338 339 case SDP_EVENT_QUERY_COMPLETE: 340 status = sdp_event_query_complete_get_status(packet); 341 if (status != ERROR_CODE_SUCCESS){ 342 log_info("GOEP client, SDP query failed 0x%02x", status); 343 context->state = GOEP_INIT; 344 goep_client_emit_connected_event(goep_client, status); 345 break; 346 } 347 if ((context->rfcomm_port == 0) && (context->l2cap_psm == 0)){ 348 log_info("No GOEP RFCOMM or L2CAP server found"); 349 context->state = GOEP_INIT; 350 goep_client_emit_connected_event(goep_client, SDP_SERVICE_NOT_FOUND); 351 break; 352 } 353 #ifdef ENABLE_GOEP_L2CAP 354 if (context->l2cap_psm){ 355 log_info("Remote GOEP L2CAP PSM: %u", context->l2cap_psm); 356 l2cap_ertm_create_channel(&goep_client_packet_handler, context->bd_addr, context->l2cap_psm, 357 &ertm_config, ertm_buffer, sizeof(ertm_buffer), &context->bearer_cid); 358 return; 359 } 360 #endif 361 log_info("Remote GOEP RFCOMM Server Channel: %u", context->rfcomm_port); 362 rfcomm_create_channel(&goep_client_packet_handler, context->bd_addr, context->rfcomm_port, &context->bearer_cid); 363 break; 364 365 default: 366 break; 367 } 368 } 369 370 static uint8_t * goep_client_get_outgoing_buffer(goep_client_t * context){ 371 if (context->l2cap_psm){ 372 return goep_packet_buffer; 373 } else { 374 return rfcomm_get_outgoing_buffer(); 375 } 376 } 377 378 static uint16_t goep_client_get_outgoing_buffer_len(goep_client_t * context){ 379 if (context->l2cap_psm){ 380 return sizeof(goep_packet_buffer); 381 } else { 382 return rfcomm_get_max_frame_size(context->bearer_cid); 383 } 384 } 385 386 static void goep_client_packet_init(uint16_t goep_cid, uint8_t opcode){ 387 UNUSED(goep_cid); 388 goep_client_t * context = goep_client; 389 if (context->l2cap_psm){ 390 } else { 391 rfcomm_reserve_packet_buffer(); 392 } 393 // store opcode for parsing of response 394 context->obex_opcode = opcode; 395 } 396 397 void goep_client_init(void){ 398 memset(goep_client, 0, sizeof(goep_client_t)); 399 goep_client->state = GOEP_INIT; 400 goep_client->cid = 1; 401 goep_client->obex_connection_id = OBEX_CONNECTION_ID_INVALID; 402 } 403 404 void goep_client_deinit(void){ 405 memset(goep_client, 0, sizeof(goep_client_t)); 406 memset(goep_client_sdp_query_attribute_value, 0, sizeof(goep_client_sdp_query_attribute_value)); 407 memset(goep_packet_buffer, 0, sizeof(goep_packet_buffer)); 408 } 409 410 uint8_t goep_client_create_connection(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t uuid, uint16_t * out_cid){ 411 goep_client_t * context = goep_client; 412 if (context->state != GOEP_INIT) return BTSTACK_MEMORY_ALLOC_FAILED; 413 memset(context, 0, sizeof(goep_client_t)); 414 context->client_handler = handler; 415 context->state = GOEP_W4_SDP; 416 context->uuid = uuid; 417 (void)memcpy(context->bd_addr, addr, 6); 418 context->profile_supported_features = PROFILE_FEATURES_NOT_PRESENT; 419 sdp_client_query_uuid16(&goep_client_handle_sdp_query_event, context->bd_addr, uuid); 420 *out_cid = context->cid; 421 return ERROR_CODE_SUCCESS; 422 } 423 424 uint32_t goep_client_get_pbap_supported_features(uint16_t goep_cid){ 425 UNUSED(goep_cid); 426 goep_client_t * context = goep_client; 427 return context->profile_supported_features; 428 } 429 430 uint32_t goep_client_get_map_supported_features(uint16_t goep_cid){ 431 UNUSED(goep_cid); 432 goep_client_t * context = goep_client; 433 return context->profile_supported_features; 434 } 435 436 uint8_t goep_client_get_map_mas_instance_id(uint16_t goep_cid){ 437 UNUSED(goep_cid); 438 goep_client_t * context = goep_client; 439 return context->map_mas_instance_id; 440 } 441 442 uint8_t goep_client_get_map_suported_message_types(uint16_t goep_cid){ 443 UNUSED(goep_cid); 444 goep_client_t * context = goep_client; 445 return context->map_supported_message_types; 446 } 447 448 449 bool goep_client_version_20_or_higher(uint16_t goep_cid){ 450 UNUSED(goep_cid); 451 goep_client_t * context = goep_client; 452 return context->l2cap_psm != 0; 453 } 454 455 void goep_client_request_can_send_now(uint16_t goep_cid){ 456 UNUSED(goep_cid); 457 goep_client_t * context = goep_client; 458 if (context->l2cap_psm){ 459 l2cap_request_can_send_now_event(context->bearer_cid); 460 } else { 461 rfcomm_request_can_send_now_event(context->bearer_cid); 462 } 463 } 464 465 uint8_t goep_client_disconnect(uint16_t goep_cid){ 466 UNUSED(goep_cid); 467 goep_client_t * context = goep_client; 468 if (context->l2cap_psm){ 469 l2cap_disconnect(context->bearer_cid); 470 } else { 471 rfcomm_disconnect(context->bearer_cid); 472 } 473 return ERROR_CODE_SUCCESS; 474 } 475 476 void goep_client_set_connection_id(uint16_t goep_cid, uint32_t connection_id){ 477 UNUSED(goep_cid); 478 goep_client_t * context = goep_client; 479 context->obex_connection_id = connection_id; 480 } 481 482 uint8_t goep_client_get_request_opcode(uint16_t goep_cid){ 483 UNUSED(goep_cid); 484 goep_client_t * context = goep_client; 485 return context->obex_opcode; 486 } 487 488 void goep_client_request_create_connect(uint16_t goep_cid, uint8_t obex_version_number, uint8_t flags, uint16_t maximum_obex_packet_length){ 489 UNUSED(goep_cid); 490 goep_client_t * context = goep_client; 491 goep_client_packet_init(goep_cid, OBEX_OPCODE_CONNECT); 492 493 // workaround: limit OBEX packet len to L2CAP/RFCOMM MTU to avoid handling of fragemented packets 494 maximum_obex_packet_length = btstack_min(maximum_obex_packet_length, context->bearer_mtu); 495 496 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 497 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 498 obex_message_builder_request_create_connect(buffer, buffer_len, obex_version_number, flags, maximum_obex_packet_length); 499 } 500 501 void goep_client_request_create_get(uint16_t goep_cid){ 502 UNUSED(goep_cid); 503 goep_client_t * context = goep_client; 504 goep_client_packet_init(goep_cid, OBEX_OPCODE_GET | OBEX_OPCODE_FINAL_BIT_MASK); 505 506 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 507 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 508 obex_message_builder_request_create_get(buffer, buffer_len, context->obex_connection_id); 509 } 510 511 void goep_client_request_create_put(uint16_t goep_cid){ 512 UNUSED(goep_cid); 513 goep_client_t * context = goep_client; 514 goep_client_packet_init(goep_cid, OBEX_OPCODE_PUT | OBEX_OPCODE_FINAL_BIT_MASK); 515 516 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 517 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 518 obex_message_builder_request_create_put(buffer, buffer_len, context->obex_connection_id); 519 } 520 521 void goep_client_request_create_set_path(uint16_t goep_cid, uint8_t flags){ 522 UNUSED(goep_cid); 523 goep_client_t * context = goep_client; 524 goep_client_packet_init(goep_cid, OBEX_OPCODE_SETPATH); 525 526 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 527 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 528 obex_message_builder_request_create_set_path(buffer, buffer_len, flags, context->obex_connection_id); 529 } 530 531 void goep_client_request_create_abort(uint16_t goep_cid){ 532 UNUSED(goep_cid); 533 goep_client_t * context = goep_client; 534 goep_client_packet_init(goep_cid, OBEX_OPCODE_ABORT); 535 536 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 537 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 538 obex_message_builder_request_create_abort(buffer, buffer_len, context->obex_connection_id); 539 } 540 541 void goep_client_request_create_disconnect(uint16_t goep_cid){ 542 UNUSED(goep_cid); 543 goep_client_t * context = goep_client; 544 goep_client_packet_init(goep_cid, OBEX_OPCODE_DISCONNECT); 545 546 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 547 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 548 obex_message_builder_request_create_disconnect(buffer, buffer_len, context->obex_connection_id); 549 } 550 551 void goep_client_header_add_byte(uint16_t goep_cid, uint8_t header_type, uint8_t value){ 552 UNUSED(goep_cid); 553 goep_client_t * context = goep_client; 554 555 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 556 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 557 obex_message_builder_header_add_byte(buffer, buffer_len, header_type, value); 558 } 559 560 void goep_client_header_add_word(uint16_t goep_cid, uint8_t header_type, uint32_t value){ 561 UNUSED(goep_cid); 562 goep_client_t * context = goep_client; 563 564 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 565 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 566 obex_message_builder_header_add_word(buffer, buffer_len, header_type, value); 567 } 568 569 void goep_client_header_add_variable(uint16_t goep_cid, uint8_t header_type, const uint8_t * header_data, uint16_t header_data_length){ 570 UNUSED(goep_cid); 571 goep_client_t * context = goep_client; 572 573 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 574 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 575 obex_message_builder_header_add_variable(buffer, buffer_len, header_type, header_data, header_data_length); 576 } 577 578 void goep_client_header_add_srm_enable(uint16_t goep_cid){ 579 UNUSED(goep_cid); 580 goep_client_t * context = goep_client; 581 582 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 583 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 584 obex_message_builder_header_add_srm_enable(buffer, buffer_len); 585 } 586 587 void goep_client_header_add_target(uint16_t goep_cid, const uint8_t * target, uint16_t length){ 588 UNUSED(goep_cid); 589 goep_client_t * context = goep_client; 590 591 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 592 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 593 obex_message_builder_header_add_target(buffer, buffer_len, target, length); 594 } 595 596 void goep_client_header_add_application_parameters(uint16_t goep_cid, const uint8_t * data, uint16_t length){ 597 UNUSED(goep_cid); 598 goep_client_t * context = goep_client; 599 600 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 601 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 602 obex_message_builder_header_add_application_parameters(buffer, buffer_len, data, length); 603 } 604 605 void goep_client_header_add_challenge_response(uint16_t goep_cid, const uint8_t * data, uint16_t length){ 606 UNUSED(goep_cid); 607 goep_client_t * context = goep_client; 608 609 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 610 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 611 obex_message_builder_header_add_challenge_response(buffer, buffer_len, data, length); 612 } 613 614 void goep_client_body_add_static(uint16_t goep_cid, const uint8_t * data, uint32_t length){ 615 UNUSED(goep_cid); 616 goep_client_t * context = goep_client; 617 618 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 619 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 620 obex_message_builder_body_add_static(buffer, buffer_len, data, length); 621 } 622 623 uint16_t goep_client_body_get_outgoing_buffer_len(uint16_t goep_cid) { 624 UNUSED(goep_cid); 625 goep_client_t * context = goep_client; 626 627 return goep_client_get_outgoing_buffer_len(context); 628 }; 629 630 void goep_client_body_fillup_static(uint16_t goep_cid, const uint8_t * data, uint32_t length, uint32_t * ret_length){ 631 UNUSED(goep_cid); 632 goep_client_t * context = goep_client; 633 634 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 635 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 636 obex_message_builder_body_fillup_static(buffer, buffer_len, data, length, ret_length); 637 } 638 639 void goep_client_header_add_name(uint16_t goep_cid, const char * name){ 640 UNUSED(goep_cid); 641 goep_client_t * context = goep_client; 642 643 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 644 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 645 obex_message_builder_header_add_name(buffer, buffer_len, name); 646 } 647 648 void goep_client_header_add_name_prefix(uint16_t goep_cid, const char * name, uint16_t name_len){ 649 UNUSED(goep_cid); 650 goep_client_t * context = goep_client; 651 652 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 653 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 654 obex_message_builder_header_add_name_prefix(buffer, buffer_len, name, name_len); 655 } 656 657 void goep_client_header_add_type(uint16_t goep_cid, const char * type){ 658 UNUSED(goep_cid); 659 goep_client_t * context = goep_client; 660 661 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 662 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 663 obex_message_builder_header_add_type(buffer, buffer_len, type); 664 } 665 666 void goep_client_header_add_length(uint16_t goep_cid, uint32_t length){ 667 UNUSED(goep_cid); 668 goep_client_t * context = goep_client; 669 670 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 671 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 672 obex_message_builder_header_add_length(buffer, buffer_len, length); 673 } 674 675 uint16_t goep_client_request_get_max_body_size(uint16_t goep_cid){ 676 UNUSED(goep_cid); 677 goep_client_t * context = goep_client; 678 679 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 680 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 681 uint16_t pos = big_endian_read_16(buffer, 1); 682 return buffer_len - pos; 683 } 684 685 int goep_client_execute(uint16_t goep_cid){ 686 return goep_client_execute_with_final_bit (goep_cid, true); 687 } 688 689 int goep_client_execute_with_final_bit(uint16_t goep_cid, bool final){ 690 UNUSED(goep_cid); 691 goep_client_t * context = goep_client; 692 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 693 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 694 695 obex_message_builder_set_final_bit (buffer, buffer_len, final); 696 697 uint16_t pos = big_endian_read_16(buffer, 1); 698 if (context->l2cap_psm){ 699 return l2cap_send(context->bearer_cid, buffer, pos); 700 } else { 701 return rfcomm_send_prepared(context->bearer_cid, pos); 702 } 703 } 704 705