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 85 btstack_context_callback_registration_t sdp_query_request; 86 87 uint8_t rfcomm_port; 88 uint16_t l2cap_psm; 89 uint16_t bearer_cid; 90 uint16_t bearer_mtu; 91 92 uint16_t record_index; 93 94 // cached higher layer information PBAP + MAP 95 uint32_t profile_supported_features; 96 uint8_t map_mas_instance_id; 97 uint8_t map_supported_message_types; 98 99 // needed to select one of multiple MAS Instances 100 struct { 101 uint32_t supported_features; 102 uint16_t l2cap_psm; 103 uint8_t instance_id; 104 uint8_t supported_message_types; 105 uint8_t rfcomm_port; 106 } mas_info; 107 108 uint8_t obex_opcode; 109 uint32_t obex_connection_id; 110 int obex_connection_id_set; 111 112 btstack_packet_handler_t client_handler; 113 } goep_client_t; 114 115 static goep_client_t goep_client_singleton; 116 static goep_client_t * goep_client = &goep_client_singleton; 117 118 static uint8_t goep_client_sdp_query_attribute_value[30]; 119 static const unsigned int goep_client_sdp_query_attribute_value_buffer_size = sizeof(goep_client_sdp_query_attribute_value); 120 121 static uint8_t goep_packet_buffer[150]; 122 123 #ifdef ENABLE_GOEP_L2CAP 124 static uint8_t ertm_buffer[1000]; 125 static l2cap_ertm_config_t ertm_config = { 126 1, // ertm mandatory 127 2, // max transmit, some tests require > 1 128 2000, 129 12000, 130 512, // l2cap ertm mtu 131 2, 132 2, 133 1, // 16-bit FCS 134 }; 135 #endif 136 137 static inline void goep_client_emit_connected_event(goep_client_t * context, uint8_t status){ 138 uint8_t event[15]; 139 int pos = 0; 140 event[pos++] = HCI_EVENT_GOEP_META; 141 pos++; // skip len 142 event[pos++] = GOEP_SUBEVENT_CONNECTION_OPENED; 143 little_endian_store_16(event,pos,context->cid); 144 pos+=2; 145 event[pos++] = status; 146 (void)memcpy(&event[pos], context->bd_addr, 6); 147 pos += 6; 148 little_endian_store_16(event,pos,context->con_handle); 149 pos += 2; 150 event[pos++] = context->incoming; 151 event[1] = pos - 2; 152 if (pos != sizeof(event)) log_error("goep_client_emit_connected_event size %u", pos); 153 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 154 } 155 156 static inline void goep_client_emit_connection_closed_event(goep_client_t * context){ 157 uint8_t event[5]; 158 int pos = 0; 159 event[pos++] = HCI_EVENT_GOEP_META; 160 pos++; // skip len 161 event[pos++] = GOEP_SUBEVENT_CONNECTION_CLOSED; 162 little_endian_store_16(event,pos,context->cid); 163 pos+=2; 164 event[1] = pos - 2; 165 if (pos != sizeof(event)) log_error("goep_client_emit_connection_closed_event size %u", pos); 166 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 167 } 168 169 static inline void goep_client_emit_can_send_now_event(goep_client_t * context){ 170 uint8_t event[5]; 171 int pos = 0; 172 event[pos++] = HCI_EVENT_GOEP_META; 173 pos++; // skip len 174 event[pos++] = GOEP_SUBEVENT_CAN_SEND_NOW; 175 little_endian_store_16(event,pos,context->cid); 176 pos+=2; 177 event[1] = pos - 2; 178 if (pos != sizeof(event)) log_error("goep_client_emit_can_send_now_event size %u", pos); 179 context->client_handler(HCI_EVENT_PACKET, context->cid, &event[0], pos); 180 } 181 182 static void goep_client_handle_connection_opened(goep_client_t * context, uint8_t status, uint16_t mtu){ 183 if (status) { 184 context->state = GOEP_INIT; 185 log_info("goep_client: open failed, status %u", status); 186 } else { 187 context->bearer_mtu = mtu; 188 context->state = GOEP_CONNECTED; 189 log_info("goep_client: connection opened. cid %u, max frame size %u", context->bearer_cid, context->bearer_mtu); 190 } 191 goep_client_emit_connected_event(context, status); 192 } 193 194 static void goep_client_handle_connection_close(goep_client_t * context){ 195 context->state = GOEP_INIT; 196 goep_client_emit_connection_closed_event(context); 197 } 198 199 static void goep_client_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 200 UNUSED(channel); 201 UNUSED(size); 202 goep_client_t * context = goep_client; 203 switch (packet_type){ 204 case HCI_EVENT_PACKET: 205 switch (hci_event_packet_get_type(packet)) { 206 #ifdef ENABLE_GOEP_L2CAP 207 case L2CAP_EVENT_CHANNEL_OPENED: 208 goep_client_handle_connection_opened(context, l2cap_event_channel_opened_get_status(packet), 209 btstack_min(l2cap_event_channel_opened_get_remote_mtu(packet), l2cap_event_channel_opened_get_local_mtu(packet))); 210 return; 211 case L2CAP_EVENT_CAN_SEND_NOW: 212 goep_client_emit_can_send_now_event(context); 213 break; 214 case L2CAP_EVENT_CHANNEL_CLOSED: 215 goep_client_handle_connection_close(context); 216 break; 217 #endif 218 case RFCOMM_EVENT_CHANNEL_OPENED: 219 goep_client_handle_connection_opened(context, rfcomm_event_channel_opened_get_status(packet), rfcomm_event_channel_opened_get_max_frame_size(packet)); 220 return; 221 case RFCOMM_EVENT_CAN_SEND_NOW: 222 goep_client_emit_can_send_now_event(context); 223 break; 224 case RFCOMM_EVENT_CHANNEL_CLOSED: 225 goep_client_handle_connection_close(context); 226 break; 227 default: 228 break; 229 } 230 break; 231 case L2CAP_DATA_PACKET: 232 case RFCOMM_DATA_PACKET: 233 context->client_handler(GOEP_DATA_PACKET, context->cid, packet, size); 234 break; 235 default: 236 break; 237 } 238 } 239 240 static void goep_client_handle_sdp_query_end_of_record(goep_client_t * context){ 241 if (context->uuid == BLUETOOTH_SERVICE_CLASS_MESSAGE_ACCESS_SERVER){ 242 if (context->mas_info.instance_id == context->map_mas_instance_id){ 243 // Requested MAS Instance found, accept info 244 log_info("MAS Instance #%u found", context->map_mas_instance_id); 245 context->rfcomm_port = context->mas_info.rfcomm_port; 246 context->profile_supported_features = context->mas_info.supported_features; 247 context->map_supported_message_types = context->mas_info.supported_message_types; 248 #ifdef ENABLE_GOEP_L2CAP 249 context->l2cap_psm = context->mas_info.l2cap_psm; 250 #endif 251 } 252 } 253 } 254 255 static void goep_client_handle_sdp_query_event(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 256 goep_client_t * context = goep_client; 257 258 UNUSED(packet_type); 259 UNUSED(channel); 260 UNUSED(size); 261 262 des_iterator_t des_list_it; 263 des_iterator_t prot_it; 264 uint8_t status; 265 uint16_t record_index; 266 267 switch (hci_event_packet_get_type(packet)){ 268 case SDP_EVENT_QUERY_ATTRIBUTE_VALUE: 269 270 // detect new record 271 record_index = sdp_event_query_attribute_byte_get_record_id(packet); 272 if (record_index != context->record_index){ 273 context->record_index = record_index; 274 goep_client_handle_sdp_query_end_of_record(context); 275 memset(&context->mas_info, 0, sizeof(context->mas_info)); 276 } 277 278 // check if relevant attribute 279 switch(sdp_event_query_attribute_byte_get_attribute_id(packet)){ 280 case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST: 281 case BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES: 282 case BLUETOOTH_ATTRIBUTE_MAS_INSTANCE_ID: 283 case BLUETOOTH_ATTRIBUTE_SUPPORTED_MESSAGE_TYPES: 284 #ifdef ENABLE_GOEP_L2CAP 285 case BLUETOOTH_ATTRIBUTE_GOEP_L2CAP_PSM: 286 #endif 287 break; 288 default: 289 return; 290 } 291 292 // warn if attribute too large to fit in our buffer 293 if (sdp_event_query_attribute_byte_get_attribute_length(packet) > goep_client_sdp_query_attribute_value_buffer_size) { 294 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)); 295 break; 296 } 297 298 // store single byte 299 goep_client_sdp_query_attribute_value[sdp_event_query_attribute_byte_get_data_offset(packet)] = sdp_event_query_attribute_byte_get_data(packet); 300 301 // wait until value fully received 302 if ((uint16_t)(sdp_event_query_attribute_byte_get_data_offset(packet)+1) != sdp_event_query_attribute_byte_get_attribute_length(packet)) break; 303 304 // process attributes 305 switch(sdp_event_query_attribute_byte_get_attribute_id(packet)) { 306 case BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST: 307 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)) { 308 uint8_t *des_element; 309 uint8_t *element; 310 uint32_t uuid; 311 312 if (des_iterator_get_type(&des_list_it) != DE_DES) continue; 313 314 des_element = des_iterator_get_element(&des_list_it); 315 des_iterator_init(&prot_it, des_element); 316 317 // first element is UUID 318 element = des_iterator_get_element(&prot_it); 319 if (de_get_element_type(element) != DE_UUID) continue; 320 321 uuid = de_get_uuid32(element); 322 des_iterator_next(&prot_it); 323 if (!des_iterator_has_more(&prot_it)) continue; 324 325 // second element is RFCOMM server channel or L2CAP PSM 326 element = des_iterator_get_element(&prot_it); 327 if (uuid == BLUETOOTH_PROTOCOL_RFCOMM){ 328 if (context->uuid == BLUETOOTH_SERVICE_CLASS_MESSAGE_ACCESS_SERVER) { 329 context->mas_info.rfcomm_port = element[de_get_header_size(element)]; 330 } else { 331 context->rfcomm_port = element[de_get_header_size(element)]; 332 } 333 } 334 } 335 break; 336 #ifdef ENABLE_GOEP_L2CAP 337 case BLUETOOTH_ATTRIBUTE_GOEP_L2CAP_PSM: 338 if (context->uuid == BLUETOOTH_SERVICE_CLASS_MESSAGE_ACCESS_SERVER){ 339 de_element_get_uint16(goep_client_sdp_query_attribute_value, &context->mas_info.l2cap_psm); 340 } else { 341 de_element_get_uint16(goep_client_sdp_query_attribute_value, &context->l2cap_psm); 342 } 343 break; 344 #endif 345 // BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES == BLUETOOTH_ATTRIBUTE_MAP_SUPPORTED_FEATURES == 0x0317 346 case BLUETOOTH_ATTRIBUTE_PBAP_SUPPORTED_FEATURES: 347 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 348 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_32) break; 349 if (context->uuid == BLUETOOTH_SERVICE_CLASS_MESSAGE_ACCESS_SERVER) { 350 context->mas_info.supported_features = big_endian_read_32(goep_client_sdp_query_attribute_value, de_get_header_size(goep_client_sdp_query_attribute_value)); 351 } else { 352 context->profile_supported_features = big_endian_read_32(goep_client_sdp_query_attribute_value, de_get_header_size(goep_client_sdp_query_attribute_value)); 353 } 354 break; 355 356 case BLUETOOTH_ATTRIBUTE_MAS_INSTANCE_ID: 357 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 358 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_8) break; 359 context->mas_info.instance_id = goep_client_sdp_query_attribute_value[de_get_header_size(goep_client_sdp_query_attribute_value)]; 360 break; 361 362 case BLUETOOTH_ATTRIBUTE_SUPPORTED_MESSAGE_TYPES: 363 if (de_get_element_type(goep_client_sdp_query_attribute_value) != DE_UINT) break; 364 if (de_get_size_type(goep_client_sdp_query_attribute_value) != DE_SIZE_8) break; 365 context->mas_info.supported_message_types = goep_client_sdp_query_attribute_value[de_get_header_size(goep_client_sdp_query_attribute_value)]; 366 break; 367 368 default: 369 break; 370 } 371 break; 372 373 case SDP_EVENT_QUERY_COMPLETE: 374 goep_client_handle_sdp_query_end_of_record(context); 375 status = sdp_event_query_complete_get_status(packet); 376 if (status != ERROR_CODE_SUCCESS){ 377 log_info("GOEP client, SDP query failed 0x%02x", status); 378 context->state = GOEP_INIT; 379 goep_client_emit_connected_event(goep_client, status); 380 break; 381 } 382 if ((context->rfcomm_port == 0) && (context->l2cap_psm == 0)){ 383 log_info("No GOEP RFCOMM or L2CAP server found"); 384 context->state = GOEP_INIT; 385 goep_client_emit_connected_event(goep_client, SDP_SERVICE_NOT_FOUND); 386 break; 387 } 388 #ifdef ENABLE_GOEP_L2CAP 389 if (context->l2cap_psm){ 390 log_info("Remote GOEP L2CAP PSM: %u", context->l2cap_psm); 391 l2cap_ertm_create_channel(&goep_client_packet_handler, context->bd_addr, context->l2cap_psm, 392 &ertm_config, ertm_buffer, sizeof(ertm_buffer), &context->bearer_cid); 393 return; 394 } 395 #endif 396 log_info("Remote GOEP RFCOMM Server Channel: %u", context->rfcomm_port); 397 rfcomm_create_channel(&goep_client_packet_handler, context->bd_addr, context->rfcomm_port, &context->bearer_cid); 398 break; 399 400 default: 401 break; 402 } 403 } 404 405 static uint8_t * goep_client_get_outgoing_buffer(goep_client_t * context){ 406 if (context->l2cap_psm){ 407 return goep_packet_buffer; 408 } else { 409 return rfcomm_get_outgoing_buffer(); 410 } 411 } 412 413 static uint16_t goep_client_get_outgoing_buffer_len(goep_client_t * context){ 414 if (context->l2cap_psm){ 415 return sizeof(goep_packet_buffer); 416 } else { 417 return rfcomm_get_max_frame_size(context->bearer_cid); 418 } 419 } 420 421 static void goep_client_packet_init(uint16_t goep_cid, uint8_t opcode){ 422 UNUSED(goep_cid); 423 goep_client_t * context = goep_client; 424 if (context->l2cap_psm){ 425 } else { 426 rfcomm_reserve_packet_buffer(); 427 } 428 // store opcode for parsing of response 429 context->obex_opcode = opcode; 430 } 431 432 void goep_client_init(void){ 433 memset(goep_client, 0, sizeof(goep_client_t)); 434 goep_client->state = GOEP_INIT; 435 goep_client->cid = 1; 436 goep_client->obex_connection_id = OBEX_CONNECTION_ID_INVALID; 437 } 438 439 void goep_client_deinit(void){ 440 memset(goep_client, 0, sizeof(goep_client_t)); 441 memset(goep_client_sdp_query_attribute_value, 0, sizeof(goep_client_sdp_query_attribute_value)); 442 memset(goep_packet_buffer, 0, sizeof(goep_packet_buffer)); 443 } 444 static void geop_client_sdp_query_start(void * context){ 445 UNUSED(context); 446 goep_client_t * goep_client2 = goep_client; 447 sdp_client_query_uuid16(&goep_client_handle_sdp_query_event, goep_client2->bd_addr, goep_client2->uuid); 448 } 449 450 uint8_t goep_client_create_connection(btstack_packet_handler_t handler, bd_addr_t addr, uint16_t uuid, uint16_t * out_cid){ 451 goep_client_t * context = goep_client; 452 if (context->state != GOEP_INIT) return BTSTACK_MEMORY_ALLOC_FAILED; 453 memset(context, 0, sizeof(goep_client_t)); 454 context->client_handler = handler; 455 context->state = GOEP_W4_SDP; 456 context->uuid = uuid; 457 (void)memcpy(context->bd_addr, addr, 6); 458 context->profile_supported_features = PROFILE_FEATURES_NOT_PRESENT; 459 *out_cid = context->cid; 460 context->sdp_query_request.callback = geop_client_sdp_query_start; 461 context->sdp_query_request.context = (void *)(uintptr_t) context->cid; 462 sdp_client_register_query_callback(&context->sdp_query_request); 463 return ERROR_CODE_SUCCESS; 464 } 465 466 uint32_t goep_client_get_pbap_supported_features(uint16_t goep_cid){ 467 UNUSED(goep_cid); 468 goep_client_t * context = goep_client; 469 return context->profile_supported_features; 470 } 471 472 uint32_t goep_client_get_map_supported_features(uint16_t goep_cid){ 473 UNUSED(goep_cid); 474 goep_client_t * context = goep_client; 475 return context->profile_supported_features; 476 } 477 478 uint8_t goep_client_get_map_mas_instance_id(uint16_t goep_cid){ 479 UNUSED(goep_cid); 480 goep_client_t * context = goep_client; 481 return context->map_mas_instance_id; 482 } 483 484 uint8_t goep_client_get_map_suported_message_types(uint16_t goep_cid){ 485 UNUSED(goep_cid); 486 goep_client_t * context = goep_client; 487 return context->map_supported_message_types; 488 } 489 490 491 bool goep_client_version_20_or_higher(uint16_t goep_cid){ 492 UNUSED(goep_cid); 493 goep_client_t * context = goep_client; 494 return context->l2cap_psm != 0; 495 } 496 497 void goep_client_request_can_send_now(uint16_t goep_cid){ 498 UNUSED(goep_cid); 499 goep_client_t * context = goep_client; 500 if (context->l2cap_psm){ 501 l2cap_request_can_send_now_event(context->bearer_cid); 502 } else { 503 rfcomm_request_can_send_now_event(context->bearer_cid); 504 } 505 } 506 507 uint8_t goep_client_disconnect(uint16_t goep_cid){ 508 UNUSED(goep_cid); 509 goep_client_t * context = goep_client; 510 if (context->l2cap_psm){ 511 l2cap_disconnect(context->bearer_cid); 512 } else { 513 rfcomm_disconnect(context->bearer_cid); 514 } 515 return ERROR_CODE_SUCCESS; 516 } 517 518 void goep_client_set_connection_id(uint16_t goep_cid, uint32_t connection_id){ 519 UNUSED(goep_cid); 520 goep_client_t * context = goep_client; 521 context->obex_connection_id = connection_id; 522 } 523 524 uint8_t goep_client_get_request_opcode(uint16_t goep_cid){ 525 UNUSED(goep_cid); 526 goep_client_t * context = goep_client; 527 return context->obex_opcode; 528 } 529 530 void goep_client_request_create_connect(uint16_t goep_cid, uint8_t obex_version_number, uint8_t flags, uint16_t maximum_obex_packet_length){ 531 UNUSED(goep_cid); 532 goep_client_t * context = goep_client; 533 goep_client_packet_init(goep_cid, OBEX_OPCODE_CONNECT); 534 535 // workaround: limit OBEX packet len to L2CAP/RFCOMM MTU to avoid handling of fragemented packets 536 maximum_obex_packet_length = btstack_min(maximum_obex_packet_length, context->bearer_mtu); 537 538 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 539 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 540 obex_message_builder_request_create_connect(buffer, buffer_len, obex_version_number, flags, maximum_obex_packet_length); 541 } 542 543 void goep_client_request_create_get(uint16_t goep_cid){ 544 UNUSED(goep_cid); 545 goep_client_t * context = goep_client; 546 goep_client_packet_init(goep_cid, OBEX_OPCODE_GET | OBEX_OPCODE_FINAL_BIT_MASK); 547 548 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 549 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 550 obex_message_builder_request_create_get(buffer, buffer_len, context->obex_connection_id); 551 } 552 553 void goep_client_request_create_put(uint16_t goep_cid){ 554 UNUSED(goep_cid); 555 goep_client_t * context = goep_client; 556 goep_client_packet_init(goep_cid, OBEX_OPCODE_PUT | OBEX_OPCODE_FINAL_BIT_MASK); 557 558 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 559 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 560 obex_message_builder_request_create_put(buffer, buffer_len, context->obex_connection_id); 561 } 562 563 void goep_client_request_create_set_path(uint16_t goep_cid, uint8_t flags){ 564 UNUSED(goep_cid); 565 goep_client_t * context = goep_client; 566 goep_client_packet_init(goep_cid, OBEX_OPCODE_SETPATH); 567 568 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 569 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 570 obex_message_builder_request_create_set_path(buffer, buffer_len, flags, context->obex_connection_id); 571 } 572 573 void goep_client_request_create_abort(uint16_t goep_cid){ 574 UNUSED(goep_cid); 575 goep_client_t * context = goep_client; 576 goep_client_packet_init(goep_cid, OBEX_OPCODE_ABORT); 577 578 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 579 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 580 obex_message_builder_request_create_abort(buffer, buffer_len, context->obex_connection_id); 581 } 582 583 void goep_client_request_create_disconnect(uint16_t goep_cid){ 584 UNUSED(goep_cid); 585 goep_client_t * context = goep_client; 586 goep_client_packet_init(goep_cid, OBEX_OPCODE_DISCONNECT); 587 588 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 589 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 590 obex_message_builder_request_create_disconnect(buffer, buffer_len, context->obex_connection_id); 591 } 592 593 void goep_client_header_add_byte(uint16_t goep_cid, uint8_t header_type, uint8_t value){ 594 UNUSED(goep_cid); 595 goep_client_t * context = goep_client; 596 597 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 598 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 599 obex_message_builder_header_add_byte(buffer, buffer_len, header_type, value); 600 } 601 602 void goep_client_header_add_word(uint16_t goep_cid, uint8_t header_type, uint32_t value){ 603 UNUSED(goep_cid); 604 goep_client_t * context = goep_client; 605 606 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 607 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 608 obex_message_builder_header_add_word(buffer, buffer_len, header_type, value); 609 } 610 611 void goep_client_header_add_variable(uint16_t goep_cid, uint8_t header_type, const uint8_t * header_data, uint16_t header_data_length){ 612 UNUSED(goep_cid); 613 goep_client_t * context = goep_client; 614 615 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 616 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 617 obex_message_builder_header_add_variable(buffer, buffer_len, header_type, header_data, header_data_length); 618 } 619 620 void goep_client_header_add_srm_enable(uint16_t goep_cid){ 621 UNUSED(goep_cid); 622 goep_client_t * context = goep_client; 623 624 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 625 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 626 obex_message_builder_header_add_srm_enable(buffer, buffer_len); 627 } 628 629 void goep_client_header_add_target(uint16_t goep_cid, const uint8_t * target, uint16_t length){ 630 UNUSED(goep_cid); 631 goep_client_t * context = goep_client; 632 633 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 634 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 635 obex_message_builder_header_add_target(buffer, buffer_len, target, length); 636 } 637 638 void goep_client_header_add_application_parameters(uint16_t goep_cid, const uint8_t * data, uint16_t length){ 639 UNUSED(goep_cid); 640 goep_client_t * context = goep_client; 641 642 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 643 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 644 obex_message_builder_header_add_application_parameters(buffer, buffer_len, data, length); 645 } 646 647 void goep_client_header_add_challenge_response(uint16_t goep_cid, const uint8_t * data, uint16_t length){ 648 UNUSED(goep_cid); 649 goep_client_t * context = goep_client; 650 651 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 652 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 653 obex_message_builder_header_add_challenge_response(buffer, buffer_len, data, length); 654 } 655 656 void goep_client_body_add_static(uint16_t goep_cid, const uint8_t * data, uint32_t length){ 657 UNUSED(goep_cid); 658 goep_client_t * context = goep_client; 659 660 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 661 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 662 obex_message_builder_body_add_static(buffer, buffer_len, data, length); 663 } 664 665 uint16_t goep_client_body_get_outgoing_buffer_len(uint16_t goep_cid) { 666 UNUSED(goep_cid); 667 goep_client_t * context = goep_client; 668 669 return goep_client_get_outgoing_buffer_len(context); 670 }; 671 672 void goep_client_body_fillup_static(uint16_t goep_cid, const uint8_t * data, uint32_t length, uint32_t * ret_length){ 673 UNUSED(goep_cid); 674 goep_client_t * context = goep_client; 675 676 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 677 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 678 obex_message_builder_body_fillup_static(buffer, buffer_len, data, length, ret_length); 679 } 680 681 void goep_client_header_add_name(uint16_t goep_cid, const char * name){ 682 UNUSED(goep_cid); 683 goep_client_t * context = goep_client; 684 685 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 686 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 687 obex_message_builder_header_add_name(buffer, buffer_len, name); 688 } 689 690 void goep_client_header_add_name_prefix(uint16_t goep_cid, const char * name, uint16_t name_len){ 691 UNUSED(goep_cid); 692 goep_client_t * context = goep_client; 693 694 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 695 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 696 obex_message_builder_header_add_name_prefix(buffer, buffer_len, name, name_len); 697 } 698 699 void goep_client_header_add_type(uint16_t goep_cid, const char * type){ 700 UNUSED(goep_cid); 701 goep_client_t * context = goep_client; 702 703 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 704 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 705 obex_message_builder_header_add_type(buffer, buffer_len, type); 706 } 707 708 void goep_client_header_add_length(uint16_t goep_cid, uint32_t length){ 709 UNUSED(goep_cid); 710 goep_client_t * context = goep_client; 711 712 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 713 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 714 obex_message_builder_header_add_length(buffer, buffer_len, length); 715 } 716 717 uint16_t goep_client_request_get_max_body_size(uint16_t goep_cid){ 718 UNUSED(goep_cid); 719 goep_client_t * context = goep_client; 720 721 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 722 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 723 uint16_t pos = big_endian_read_16(buffer, 1); 724 return buffer_len - pos; 725 } 726 727 int goep_client_execute(uint16_t goep_cid){ 728 return goep_client_execute_with_final_bit (goep_cid, true); 729 } 730 731 int goep_client_execute_with_final_bit(uint16_t goep_cid, bool final){ 732 UNUSED(goep_cid); 733 goep_client_t * context = goep_client; 734 uint8_t * buffer = goep_client_get_outgoing_buffer(context); 735 uint16_t buffer_len = goep_client_get_outgoing_buffer_len(context); 736 737 obex_message_builder_set_final_bit (buffer, buffer_len, final); 738 739 uint16_t pos = big_endian_read_16(buffer, 1); 740 if (context->l2cap_psm){ 741 return l2cap_send(context->bearer_cid, buffer, pos); 742 } else { 743 return rfcomm_send_prepared(context->bearer_cid, pos); 744 } 745 } 746 747