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 MATTHIAS 24 * RINGWALD 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 /* 39 * daemon.c 40 * 41 * Created by Matthias Ringwald on 7/1/09. 42 * 43 * BTstack background daemon 44 * 45 */ 46 47 #include "btstack-config.h" 48 49 #include <pthread.h> 50 #include <signal.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <strings.h> 54 #include <unistd.h> 55 56 #include <getopt.h> 57 58 #include "btstack.h" 59 #include "linked_list.h" 60 #include "run_loop.h" 61 #include "hci_cmds.h" 62 #include "version.h" 63 64 #include "debug.h" 65 #include "hci.h" 66 #include "hci_dump.h" 67 #include "hci_transport.h" 68 #include "l2cap.h" 69 #include "classic/rfcomm.h" 70 #include "classic/sdp.h" 71 #include "classic/sdp_parser.h" 72 #include "classic/sdp_client.h" 73 #include "classic/sdp_query_util.h" 74 #include "classic/sdp_query_rfcomm.h" 75 #include "socket_connection.h" 76 77 #ifdef HAVE_BLE 78 #include "ble/gatt_client.h" 79 #include "ble/att_server.h" 80 #include "ble/att.h" 81 #include "ble/le_device_db.h" 82 #include "ble/sm.h" 83 #endif 84 85 #ifdef USE_BLUETOOL 86 #include <CoreFoundation/CoreFoundation.h> 87 #include "../port/ios/src/bt_control_iphone.h" 88 #include <notify.h> 89 #endif 90 91 #ifdef USE_SPRINGBOARD 92 #include "../port/ios/src/platform_iphone.h" 93 #endif 94 95 #ifndef BTSTACK_LOG_FILE 96 #define BTSTACK_LOG_FILE "/tmp/hci_dump.pklg" 97 #endif 98 99 // use logger: format HCI_DUMP_PACKETLOGGER, HCI_DUMP_BLUEZ or HCI_DUMP_STDOUT 100 #ifndef BTSTACK_LOG_TYPE 101 #define BTSTACK_LOG_TYPE HCI_DUMP_PACKETLOGGER 102 #endif 103 104 #define DAEMON_NO_ACTIVE_CLIENT_TIMEOUT 10000 105 106 #define ATT_MAX_LONG_ATTRIBUTE_SIZE 512 107 108 109 #define SERVICE_LENGTH 20 110 #define CHARACTERISTIC_LENGTH 24 111 #define CHARACTERISTIC_DESCRIPTOR_LENGTH 18 112 113 // ATT_MTU - 1 114 #define ATT_MAX_ATTRIBUTE_SIZE 22 115 116 typedef struct { 117 // linked list - assert: first field 118 linked_item_t item; 119 120 // connection 121 connection_t * connection; 122 123 linked_list_t rfcomm_cids; 124 linked_list_t rfcomm_services; 125 linked_list_t l2cap_cids; 126 linked_list_t l2cap_psms; 127 linked_list_t sdp_record_handles; 128 linked_list_t gatt_con_handles; 129 // power mode 130 HCI_POWER_MODE power_mode; 131 132 // discoverable 133 uint8_t discoverable; 134 135 } client_state_t; 136 137 typedef struct linked_list_uint32 { 138 linked_item_t item; 139 uint32_t value; 140 } linked_list_uint32_t; 141 142 typedef struct linked_list_connection { 143 linked_item_t item; 144 connection_t * connection; 145 } linked_list_connection_t; 146 147 typedef struct linked_list_gatt_client_helper{ 148 linked_item_t item; 149 uint16_t con_handle; 150 connection_t * active_connection; // the one that started the current query 151 linked_list_t all_connections; // list of all connections that ever used this helper 152 uint16_t characteristic_length; 153 uint16_t characteristic_handle; 154 uint8_t characteristic_buffer[10 + ATT_MAX_LONG_ATTRIBUTE_SIZE]; // header for sending event right away 155 uint8_t long_query_type; 156 } linked_list_gatt_client_helper_t; 157 158 // MARK: prototypes 159 static void handle_sdp_rfcomm_service_result(sdp_query_event_t * event, void * context); 160 static void handle_sdp_client_query_result(sdp_query_event_t * event); 161 static void dummy_bluetooth_status_handler(BLUETOOTH_STATE state); 162 static client_state_t * client_for_connection(connection_t *connection); 163 static int clients_require_power_on(void); 164 static int clients_require_discoverable(void); 165 static void clients_clear_power_request(void); 166 static void start_power_off_timer(void); 167 static void stop_power_off_timer(void); 168 static client_state_t * client_for_connection(connection_t *connection); 169 170 171 // MARK: globals 172 static hci_transport_t * transport; 173 static hci_uart_config_t config; 174 static timer_source_t timeout; 175 static uint8_t timeout_active = 0; 176 static int power_management_sleep = 0; 177 static linked_list_t clients = NULL; // list of connected clients ` 178 #ifdef HAVE_BLE 179 static linked_list_t gatt_client_helpers = NULL; // list of used gatt client (helpers) 180 static uint16_t gatt_client_id = 0; 181 #endif 182 183 static void (*bluetooth_status_handler)(BLUETOOTH_STATE state) = dummy_bluetooth_status_handler; 184 185 static int global_enable = 0; 186 187 static remote_device_db_t const * remote_device_db = NULL; 188 static int rfcomm_channel_generator = 1; 189 190 static uint8_t attribute_value[1000]; 191 static const int attribute_value_buffer_size = sizeof(attribute_value); 192 static uint8_t serviceSearchPattern[200]; 193 static uint8_t attributeIDList[50]; 194 static void * sdp_client_query_connection; 195 196 static int loggingEnabled; 197 198 static void dummy_bluetooth_status_handler(BLUETOOTH_STATE state){ 199 log_info("Bluetooth status: %u\n", state); 200 }; 201 202 static void daemon_no_connections_timeout(struct timer *ts){ 203 if (clients_require_power_on()) return; // false alarm :) 204 log_info("No active client connection for %u seconds -> POWER OFF\n", DAEMON_NO_ACTIVE_CLIENT_TIMEOUT/1000); 205 hci_power_control(HCI_POWER_OFF); 206 } 207 208 209 static void add_uint32_to_list(linked_list_t *list, uint32_t value){ 210 linked_list_iterator_t it; 211 linked_list_iterator_init(&it, list); 212 while (linked_list_iterator_has_next(&it)){ 213 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 214 if ( item->value == value) return; // already in list 215 } 216 217 linked_list_uint32_t * item = malloc(sizeof(linked_list_uint32_t)); 218 if (!item) return; 219 item->value = value; 220 linked_list_add(list, (linked_item_t *) item); 221 } 222 223 static void remove_and_free_uint32_from_list(linked_list_t *list, uint32_t value){ 224 linked_list_iterator_t it; 225 linked_list_iterator_init(&it, list); 226 while (linked_list_iterator_has_next(&it)){ 227 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 228 if ( item->value != value) continue; 229 linked_list_remove(list, (linked_item_t *) item); 230 free(item); 231 } 232 } 233 234 static void daemon_add_client_rfcomm_service(connection_t * connection, uint16_t service_channel){ 235 client_state_t * client_state = client_for_connection(connection); 236 if (!client_state) return; 237 add_uint32_to_list(&client_state->rfcomm_services, service_channel); 238 } 239 240 static void daemon_remove_client_rfcomm_service(connection_t * connection, uint16_t service_channel){ 241 client_state_t * client_state = client_for_connection(connection); 242 if (!client_state) return; 243 remove_and_free_uint32_from_list(&client_state->rfcomm_services, service_channel); 244 } 245 246 static void daemon_add_client_rfcomm_channel(connection_t * connection, uint16_t cid){ 247 client_state_t * client_state = client_for_connection(connection); 248 if (!client_state) return; 249 add_uint32_to_list(&client_state->rfcomm_cids, cid); 250 } 251 252 static void daemon_remove_client_rfcomm_channel(connection_t * connection, uint16_t cid){ 253 client_state_t * client_state = client_for_connection(connection); 254 if (!client_state) return; 255 remove_and_free_uint32_from_list(&client_state->rfcomm_cids, cid); 256 } 257 258 static void daemon_add_client_l2cap_service(connection_t * connection, uint16_t psm){ 259 client_state_t * client_state = client_for_connection(connection); 260 if (!client_state) return; 261 add_uint32_to_list(&client_state->l2cap_psms, psm); 262 } 263 264 static void daemon_remove_client_l2cap_service(connection_t * connection, uint16_t psm){ 265 client_state_t * client_state = client_for_connection(connection); 266 if (!client_state) return; 267 remove_and_free_uint32_from_list(&client_state->l2cap_psms, psm); 268 } 269 270 static void daemon_add_client_l2cap_channel(connection_t * connection, uint16_t cid){ 271 client_state_t * client_state = client_for_connection(connection); 272 if (!client_state) return; 273 add_uint32_to_list(&client_state->l2cap_cids, cid); 274 } 275 276 static void daemon_remove_client_l2cap_channel(connection_t * connection, uint16_t cid){ 277 client_state_t * client_state = client_for_connection(connection); 278 if (!client_state) return; 279 remove_and_free_uint32_from_list(&client_state->l2cap_cids, cid); 280 } 281 282 static void daemon_add_client_sdp_service_record_handle(connection_t * connection, uint32_t handle){ 283 client_state_t * client_state = client_for_connection(connection); 284 if (!client_state) return; 285 add_uint32_to_list(&client_state->sdp_record_handles, handle); 286 } 287 288 static void daemon_remove_client_sdp_service_record_handle(connection_t * connection, uint32_t handle){ 289 client_state_t * client_state = client_for_connection(connection); 290 if (!client_state) return; 291 remove_and_free_uint32_from_list(&client_state->sdp_record_handles, handle); 292 } 293 294 #ifdef HAVE_BLE 295 static void daemon_add_gatt_client_handle(connection_t * connection, uint32_t handle){ 296 client_state_t * client_state = client_for_connection(connection); 297 if (!client_state) return; 298 299 // check if handle already exists in the gatt_con_handles list 300 linked_list_iterator_t it; 301 int handle_found = 0; 302 linked_list_iterator_init(&it, &client_state->gatt_con_handles); 303 while (linked_list_iterator_has_next(&it)){ 304 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 305 if (item->value == handle){ 306 handle_found = 1; 307 break; 308 } 309 } 310 // if handle doesn't exist add it to gatt_con_handles 311 if (!handle_found){ 312 add_uint32_to_list(&client_state->gatt_con_handles, handle); 313 } 314 315 // check if there is a helper with given handle 316 linked_list_gatt_client_helper_t * gatt_helper = NULL; 317 linked_list_iterator_init(&it, &gatt_client_helpers); 318 while (linked_list_iterator_has_next(&it)){ 319 linked_list_gatt_client_helper_t * item = (linked_list_gatt_client_helper_t*) linked_list_iterator_next(&it); 320 if (item->con_handle == handle){ 321 gatt_helper = item; 322 break; 323 } 324 } 325 326 // if gatt_helper doesn't exist, create it and add it to gatt_client_helpers list 327 if (!gatt_helper){ 328 gatt_helper = malloc(sizeof(linked_list_gatt_client_helper_t)); 329 if (!gatt_helper) return; 330 memset(gatt_helper, 0, sizeof(linked_list_gatt_client_helper_t)); 331 gatt_helper->con_handle = handle; 332 linked_list_add(&gatt_client_helpers, (linked_item_t *) gatt_helper); 333 } 334 335 // check if connection exists 336 int connection_found = 0; 337 linked_list_iterator_init(&it, &gatt_helper->all_connections); 338 while (linked_list_iterator_has_next(&it)){ 339 linked_list_connection_t * item = (linked_list_connection_t*) linked_list_iterator_next(&it); 340 if (item->connection == connection){ 341 connection_found = 1; 342 break; 343 } 344 } 345 346 // if connection is not found, add it to the all_connections, and set it as active connection 347 if (!connection_found){ 348 linked_list_connection_t * con = malloc(sizeof(linked_list_connection_t)); 349 if (!con) return; 350 memset(con, 0, sizeof(linked_list_connection_t)); 351 con->connection = connection; 352 linked_list_add(&gatt_helper->all_connections, (linked_item_t *)con); 353 } 354 } 355 356 357 static void daemon_remove_gatt_client_handle(connection_t * connection, uint32_t handle){ 358 // PART 1 - uses connection & handle 359 // might be extracted or vanish totally 360 client_state_t * client_state = client_for_connection(connection); 361 if (!client_state) return; 362 363 linked_list_iterator_t it; 364 // remove handle from gatt_con_handles list 365 linked_list_iterator_init(&it, &client_state->gatt_con_handles); 366 while (linked_list_iterator_has_next(&it)){ 367 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 368 if (item->value == handle){ 369 linked_list_remove(&client_state->gatt_con_handles, (linked_item_t *) item); 370 free(item); 371 } 372 } 373 374 // PART 2 - only uses handle 375 376 // find helper with given handle 377 linked_list_gatt_client_helper_t * helper = NULL; 378 linked_list_iterator_init(&it, &gatt_client_helpers); 379 while (linked_list_iterator_has_next(&it)){ 380 linked_list_gatt_client_helper_t * item = (linked_list_gatt_client_helper_t*) linked_list_iterator_next(&it); 381 if (item->con_handle == handle){ 382 helper = item; 383 break; 384 } 385 } 386 387 if (!helper) return; 388 // remove connection from helper 389 linked_list_iterator_init(&it, &helper->all_connections); 390 while (linked_list_iterator_has_next(&it)){ 391 linked_list_connection_t * item = (linked_list_connection_t*) linked_list_iterator_next(&it); 392 if (item->connection == connection){ 393 linked_list_remove(&helper->all_connections, (linked_item_t *) item); 394 free(item); 395 break; 396 } 397 } 398 399 if (helper->active_connection == connection){ 400 helper->active_connection = NULL; 401 } 402 // if helper has no more connections, call disconnect 403 if (helper->all_connections == NULL){ 404 gap_disconnect((hci_con_handle_t) helper->con_handle); 405 } 406 } 407 408 409 static void daemon_remove_gatt_client_helper(uint32_t con_handle){ 410 linked_list_iterator_t it, cl; 411 // find helper with given handle 412 linked_list_gatt_client_helper_t * helper = NULL; 413 linked_list_iterator_init(&it, &gatt_client_helpers); 414 while (linked_list_iterator_has_next(&it)){ 415 linked_list_gatt_client_helper_t * item = (linked_list_gatt_client_helper_t*) linked_list_iterator_next(&it); 416 if (item->con_handle == con_handle){ 417 helper = item; 418 break; 419 } 420 } 421 422 if (!helper) return; 423 424 // remove all connection from helper 425 linked_list_iterator_init(&it, &helper->all_connections); 426 while (linked_list_iterator_has_next(&it)){ 427 linked_list_connection_t * item = (linked_list_connection_t*) linked_list_iterator_next(&it); 428 linked_list_remove(&helper->all_connections, (linked_item_t *) item); 429 free(item); 430 } 431 432 linked_list_remove(&gatt_client_helpers, (linked_item_t *) helper); 433 free(helper); 434 435 linked_list_iterator_init(&cl, &clients); 436 while (linked_list_iterator_has_next(&cl)){ 437 client_state_t * client_state = (client_state_t *) linked_list_iterator_next(&cl); 438 linked_list_iterator_init(&it, &client_state->gatt_con_handles); 439 while (linked_list_iterator_has_next(&it)){ 440 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 441 if (item->value == con_handle){ 442 linked_list_remove(&client_state->gatt_con_handles, (linked_item_t *) item); 443 free(item); 444 } 445 } 446 } 447 } 448 #endif 449 450 static void daemon_rfcomm_close_connection(client_state_t * daemon_client){ 451 linked_list_iterator_t it; 452 linked_list_t *rfcomm_services = &daemon_client->rfcomm_services; 453 linked_list_t *rfcomm_cids = &daemon_client->rfcomm_cids; 454 455 linked_list_iterator_init(&it, rfcomm_services); 456 while (linked_list_iterator_has_next(&it)){ 457 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 458 rfcomm_unregister_service_internal(item->value); 459 linked_list_remove(rfcomm_services, (linked_item_t *) item); 460 free(item); 461 } 462 463 linked_list_iterator_init(&it, rfcomm_cids); 464 while (linked_list_iterator_has_next(&it)){ 465 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 466 rfcomm_disconnect_internal(item->value); 467 linked_list_remove(rfcomm_cids, (linked_item_t *) item); 468 free(item); 469 } 470 } 471 472 473 static void daemon_l2cap_close_connection(client_state_t * daemon_client){ 474 linked_list_iterator_t it; 475 linked_list_t *l2cap_psms = &daemon_client->l2cap_psms; 476 linked_list_t *l2cap_cids = &daemon_client->l2cap_cids; 477 478 linked_list_iterator_init(&it, l2cap_psms); 479 while (linked_list_iterator_has_next(&it)){ 480 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 481 l2cap_unregister_service_internal(NULL, item->value); 482 linked_list_remove(l2cap_psms, (linked_item_t *) item); 483 free(item); 484 } 485 486 linked_list_iterator_init(&it, l2cap_cids); 487 while (linked_list_iterator_has_next(&it)){ 488 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 489 l2cap_disconnect_internal(item->value, 0); // note: reason isn't used 490 linked_list_remove(l2cap_cids, (linked_item_t *) item); 491 free(item); 492 } 493 } 494 495 static void daemon_sdp_close_connection(client_state_t * daemon_client){ 496 linked_list_t * list = &daemon_client->sdp_record_handles; 497 linked_list_iterator_t it; 498 linked_list_iterator_init(&it, list); 499 while (linked_list_iterator_has_next(&it)){ 500 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 501 sdp_unregister_service_internal(&daemon_client->connection, item->value); 502 linked_list_remove(list, (linked_item_t *) item); 503 free(item); 504 } 505 } 506 507 #ifdef HAVE_BLE 508 static void daemon_gatt_client_close_connection(connection_t * connection){ 509 client_state_t * client = client_for_connection(connection); 510 if (!client) return; 511 512 linked_list_iterator_t it; 513 linked_list_iterator_init(&it, &client->gatt_con_handles); 514 while (linked_list_iterator_has_next(&it)){ 515 linked_list_uint32_t * item = (linked_list_uint32_t*) linked_list_iterator_next(&it); 516 daemon_remove_gatt_client_handle(connection, item->value); 517 } 518 } 519 #endif 520 521 static void daemon_disconnect_client(connection_t * connection){ 522 log_info("Daemon disconnect client %p\n",connection); 523 524 client_state_t * client = client_for_connection(connection); 525 if (!client) return; 526 527 daemon_sdp_close_connection(client); 528 daemon_rfcomm_close_connection(client); 529 daemon_l2cap_close_connection(client); 530 #ifdef HAVE_BLE 531 // NOTE: experimental - disconnect all LE connections where GATT Client was used 532 // gatt_client_disconnect_connection(connection); 533 daemon_gatt_client_close_connection(connection); 534 #endif 535 536 linked_list_remove(&clients, (linked_item_t *) client); 537 free(client); 538 } 539 540 #ifdef HAVE_BLE 541 542 linked_list_gatt_client_helper_t * daemon_get_gatt_client_helper(uint16_t handle) { 543 linked_list_iterator_t it; 544 if (!gatt_client_helpers) return NULL; 545 log_info("daemon_get_gatt_client_helper for handle 0x%02x", handle); 546 547 linked_list_iterator_init(&it, &gatt_client_helpers); 548 while (linked_list_iterator_has_next(&it)){ 549 linked_list_gatt_client_helper_t * item = (linked_list_gatt_client_helper_t*) linked_list_iterator_next(&it); 550 if (!item ) { 551 log_info("daemon_get_gatt_client_helper gatt_client_helpers null item"); 552 break; 553 } 554 if (item->con_handle == handle){ 555 return item; 556 } 557 } 558 log_info("daemon_get_gatt_client_helper for handle 0x%02x is NULL.", handle); 559 return NULL; 560 } 561 562 static void send_gatt_query_complete(connection_t * connection, uint16_t handle, uint8_t status){ 563 // @format H1 564 uint8_t event[5]; 565 event[0] = GATT_QUERY_COMPLETE; 566 event[1] = 3; 567 bt_store_16(event, 2, handle); 568 event[4] = status; 569 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 570 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, event, sizeof(event)); 571 } 572 573 static void send_gatt_mtu_event(connection_t * connection, uint16_t handle, uint16_t mtu){ 574 uint8_t event[6]; 575 int pos = 0; 576 event[pos++] = GATT_MTU; 577 event[pos++] = sizeof(event) - 2; 578 bt_store_16(event, pos, handle); 579 pos += 2; 580 bt_store_16(event, pos, mtu); 581 pos += 2; 582 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 583 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, event, sizeof(event)); 584 } 585 586 static void send_l2cap_connection_open_failed(connection_t * connection, bd_addr_t address, uint16_t psm, uint8_t status){ 587 // emit error - see l2cap.c:l2cap_emit_channel_opened(..) 588 uint8_t event[23]; 589 memset(event, 0, sizeof(event)); 590 event[0] = L2CAP_EVENT_CHANNEL_OPENED; 591 event[1] = sizeof(event) - 2; 592 event[2] = status; 593 bt_flip_addr(&event[3], address); 594 // bt_store_16(event, 9, channel->handle); 595 bt_store_16(event, 11, psm); 596 // bt_store_16(event, 13, channel->local_cid); 597 // bt_store_16(event, 15, channel->remote_cid); 598 // bt_store_16(event, 17, channel->local_mtu); 599 // bt_store_16(event, 19, channel->remote_mtu); 600 // bt_store_16(event, 21, channel->flush_timeout); 601 hci_dump_packet( HCI_EVENT_PACKET, 0, event, sizeof(event)); 602 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, event, sizeof(event)); 603 } 604 605 static void send_rfcomm_create_channel_failed(void * connection, bd_addr_t addr, uint8_t server_channel, uint8_t status){ 606 // emit error - see rfcom.c:rfcomm_emit_channel_open_failed_outgoing_memory(..) 607 uint8_t event[16]; 608 memset(event, 0, sizeof(event)); 609 uint8_t pos = 0; 610 event[pos++] = RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE; 611 event[pos++] = sizeof(event) - 2; 612 event[pos++] = status; 613 bt_flip_addr(&event[pos], addr); pos += 6; 614 bt_store_16(event, pos, 0); pos += 2; 615 event[pos++] = server_channel; 616 bt_store_16(event, pos, 0); pos += 2; // channel ID 617 bt_store_16(event, pos, 0); pos += 2; // max frame size 618 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 619 hci_dump_packet( HCI_EVENT_PACKET, 0, event, sizeof(event)); 620 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, event, sizeof(event)); 621 } 622 623 624 linked_list_gatt_client_helper_t * daemon_setup_gatt_client_request(connection_t *connection, uint8_t *packet, int track_active_connection) { 625 hci_con_handle_t handle = READ_BT_16(packet, 3); 626 log_info("daemon_setup_gatt_client_request for handle 0x%02x", handle); 627 hci_connection_t * hci_con = hci_connection_for_handle(handle); 628 if ((hci_con == NULL) || (hci_con->state != OPEN)){ 629 send_gatt_query_complete(connection, handle, GATT_CLIENT_NOT_CONNECTED); 630 return NULL; 631 } 632 633 linked_list_gatt_client_helper_t * helper = daemon_get_gatt_client_helper(handle); 634 635 if (!helper){ 636 log_info("helper does not exist"); 637 helper = malloc(sizeof(linked_list_gatt_client_helper_t)); 638 if (!helper) return NULL; 639 memset(helper, 0, sizeof(linked_list_gatt_client_helper_t)); 640 helper->con_handle = handle; 641 linked_list_add(&gatt_client_helpers, (linked_item_t *) helper); 642 } 643 644 if (track_active_connection && helper->active_connection){ 645 send_gatt_query_complete(connection, handle, GATT_CLIENT_BUSY); 646 return NULL; 647 } 648 649 daemon_add_gatt_client_handle(connection, handle); 650 651 if (track_active_connection){ 652 // remember connection responsible for this request 653 helper->active_connection = connection; 654 } 655 656 return helper; 657 } 658 659 // (de)serialize structs from/to HCI commands/events 660 661 void daemon_gatt_deserialize_service(uint8_t *packet, int offset, le_service_t *service){ 662 service->start_group_handle = READ_BT_16(packet, offset); 663 service->end_group_handle = READ_BT_16(packet, offset + 2); 664 swap128(&packet[offset + 4], service->uuid128); 665 } 666 667 void daemon_gatt_serialize_service(le_service_t * service, uint8_t * event, int offset){ 668 bt_store_16(event, offset, service->start_group_handle); 669 bt_store_16(event, offset+2, service->end_group_handle); 670 swap128(service->uuid128, &event[offset + 4]); 671 } 672 673 void daemon_gatt_deserialize_characteristic(uint8_t * packet, int offset, le_characteristic_t * characteristic){ 674 characteristic->start_handle = READ_BT_16(packet, offset); 675 characteristic->value_handle = READ_BT_16(packet, offset + 2); 676 characteristic->end_handle = READ_BT_16(packet, offset + 4); 677 characteristic->properties = READ_BT_16(packet, offset + 6); 678 characteristic->uuid16 = READ_BT_16(packet, offset + 8); 679 swap128(&packet[offset+10], characteristic->uuid128); 680 } 681 682 void daemon_gatt_serialize_characteristic(le_characteristic_t * characteristic, uint8_t * event, int offset){ 683 bt_store_16(event, offset, characteristic->start_handle); 684 bt_store_16(event, offset+2, characteristic->value_handle); 685 bt_store_16(event, offset+4, characteristic->end_handle); 686 bt_store_16(event, offset+6, characteristic->properties); 687 swap128(characteristic->uuid128, &event[offset+8]); 688 } 689 690 void daemon_gatt_deserialize_characteristic_descriptor(uint8_t * packet, int offset, le_characteristic_descriptor_t * descriptor){ 691 descriptor->handle = READ_BT_16(packet, offset); 692 swap128(&packet[offset+2], descriptor->uuid128); 693 } 694 695 void daemon_gatt_serialize_characteristic_descriptor(le_characteristic_descriptor_t * characteristic_descriptor, uint8_t * event, int offset){ 696 bt_store_16(event, offset, characteristic_descriptor->handle); 697 swap128(characteristic_descriptor->uuid128, &event[offset+2]); 698 } 699 700 #endif 701 702 static int btstack_command_handler(connection_t *connection, uint8_t *packet, uint16_t size){ 703 704 bd_addr_t addr; 705 bd_addr_type_t addr_type; 706 hci_con_handle_t handle; 707 uint16_t cid; 708 uint16_t psm; 709 uint16_t service_channel; 710 uint16_t mtu; 711 uint8_t reason; 712 uint8_t rfcomm_channel; 713 uint8_t rfcomm_credits; 714 uint32_t service_record_handle; 715 client_state_t *client; 716 uint8_t status; 717 718 #if defined(HAVE_MALLOC) && defined(HAVE_BLE) 719 uint8_t uuid128[16]; 720 le_service_t service; 721 le_characteristic_t characteristic; 722 le_characteristic_descriptor_t descriptor; 723 uint16_t data_length; 724 uint8_t * data; 725 linked_list_gatt_client_helper_t * gatt_helper; 726 #endif 727 728 uint16_t serviceSearchPatternLen; 729 uint16_t attributeIDListLen; 730 731 // verbose log info before other info to allow for better tracking 732 hci_dump_packet( HCI_COMMAND_DATA_PACKET, 1, packet, size); 733 734 // BTstack internal commands - 16 Bit OpCode, 8 Bit ParamLen, Params... 735 switch (READ_CMD_OCF(packet)){ 736 case BTSTACK_GET_STATE: 737 log_info("BTSTACK_GET_STATE"); 738 hci_emit_state(); 739 break; 740 case BTSTACK_SET_POWER_MODE: 741 log_info("BTSTACK_SET_POWER_MODE %u", packet[3]); 742 // track client power requests 743 client = client_for_connection(connection); 744 if (!client) break; 745 client->power_mode = packet[3]; 746 // handle merged state 747 if (!clients_require_power_on()){ 748 start_power_off_timer(); 749 } else if (!power_management_sleep) { 750 stop_power_off_timer(); 751 hci_power_control(HCI_POWER_ON); 752 } 753 break; 754 case BTSTACK_GET_VERSION: 755 log_info("BTSTACK_GET_VERSION"); 756 hci_emit_btstack_version(); 757 break; 758 #ifdef USE_BLUETOOL 759 case BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED: 760 log_info("BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED %u", packet[3]); 761 iphone_system_bt_set_enabled(packet[3]); 762 hci_emit_system_bluetooth_enabled(iphone_system_bt_enabled()); 763 break; 764 765 case BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED: 766 log_info("BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED"); 767 hci_emit_system_bluetooth_enabled(iphone_system_bt_enabled()); 768 break; 769 #else 770 case BTSTACK_SET_SYSTEM_BLUETOOTH_ENABLED: 771 case BTSTACK_GET_SYSTEM_BLUETOOTH_ENABLED: 772 hci_emit_system_bluetooth_enabled(0); 773 break; 774 #endif 775 case BTSTACK_SET_DISCOVERABLE: 776 log_info("BTSTACK_SET_DISCOVERABLE discoverable %u)", packet[3]); 777 // track client discoverable requests 778 client = client_for_connection(connection); 779 if (!client) break; 780 client->discoverable = packet[3]; 781 // merge state 782 hci_discoverable_control(clients_require_discoverable()); 783 break; 784 case BTSTACK_SET_BLUETOOTH_ENABLED: 785 log_info("BTSTACK_SET_BLUETOOTH_ENABLED: %u\n", packet[3]); 786 if (packet[3]) { 787 // global enable 788 global_enable = 1; 789 hci_power_control(HCI_POWER_ON); 790 } else { 791 global_enable = 0; 792 clients_clear_power_request(); 793 hci_power_control(HCI_POWER_OFF); 794 } 795 break; 796 case L2CAP_CREATE_CHANNEL_MTU: 797 bt_flip_addr(addr, &packet[3]); 798 psm = READ_BT_16(packet, 9); 799 mtu = READ_BT_16(packet, 11); 800 status = l2cap_create_channel(NULL, addr, psm, mtu, &cid); 801 if (status){ 802 send_l2cap_connection_open_failed(connection, addr, psm, status); 803 } else { 804 daemon_add_client_l2cap_channel(connection, cid); 805 } 806 break; 807 case L2CAP_CREATE_CHANNEL: 808 bt_flip_addr(addr, &packet[3]); 809 psm = READ_BT_16(packet, 9); 810 mtu = 150; // until r865 811 status = l2cap_create_channel(NULL, addr, psm, mtu, &cid); 812 if (status){ 813 send_l2cap_connection_open_failed(connection, addr, psm, status); 814 } else { 815 daemon_add_client_l2cap_channel(connection, cid); 816 } 817 break; 818 case L2CAP_DISCONNECT: 819 cid = READ_BT_16(packet, 3); 820 reason = packet[5]; 821 l2cap_disconnect_internal(cid, reason); 822 break; 823 case L2CAP_REGISTER_SERVICE: 824 psm = READ_BT_16(packet, 3); 825 mtu = READ_BT_16(packet, 5); 826 l2cap_register_service_internal(connection, NULL, psm, mtu, LEVEL_0); 827 break; 828 case L2CAP_UNREGISTER_SERVICE: 829 psm = READ_BT_16(packet, 3); 830 daemon_remove_client_l2cap_service(connection, psm); 831 l2cap_unregister_service_internal(connection, psm); 832 break; 833 case L2CAP_ACCEPT_CONNECTION: 834 cid = READ_BT_16(packet, 3); 835 l2cap_accept_connection_internal(cid); 836 break; 837 case L2CAP_DECLINE_CONNECTION: 838 cid = READ_BT_16(packet, 3); 839 reason = packet[7]; 840 l2cap_decline_connection_internal(cid, reason); 841 break; 842 case RFCOMM_CREATE_CHANNEL: 843 bt_flip_addr(addr, &packet[3]); 844 rfcomm_channel = packet[9]; 845 status = rfcomm_create_channel(addr, rfcomm_channel, &cid); 846 if (status){ 847 send_rfcomm_create_channel_failed(connection, addr, rfcomm_channel, status); 848 } else { 849 daemon_add_client_rfcomm_channel(connection, cid); 850 } 851 break; 852 case RFCOMM_CREATE_CHANNEL_WITH_CREDITS: 853 bt_flip_addr(addr, &packet[3]); 854 rfcomm_channel = packet[9]; 855 rfcomm_credits = packet[10]; 856 status = rfcomm_create_channel_with_initial_credits(addr, rfcomm_channel, rfcomm_credits, &cid ); 857 if (status){ 858 send_rfcomm_create_channel_failed(connection, addr, rfcomm_channel, status); 859 } else { 860 daemon_add_client_rfcomm_channel(connection, cid); 861 } 862 break; 863 case RFCOMM_DISCONNECT: 864 cid = READ_BT_16(packet, 3); 865 reason = packet[5]; 866 rfcomm_disconnect_internal(cid); 867 break; 868 case RFCOMM_REGISTER_SERVICE: 869 rfcomm_channel = packet[3]; 870 mtu = READ_BT_16(packet, 4); 871 rfcomm_register_service_internal(connection, rfcomm_channel, mtu); 872 break; 873 case RFCOMM_REGISTER_SERVICE_WITH_CREDITS: 874 rfcomm_channel = packet[3]; 875 mtu = READ_BT_16(packet, 4); 876 rfcomm_credits = packet[6]; 877 rfcomm_register_service_with_initial_credits_internal(connection, rfcomm_channel, mtu, rfcomm_credits); 878 break; 879 case RFCOMM_UNREGISTER_SERVICE: 880 service_channel = READ_BT_16(packet, 3); 881 daemon_remove_client_rfcomm_service(connection, service_channel); 882 rfcomm_unregister_service_internal(service_channel); 883 break; 884 case RFCOMM_ACCEPT_CONNECTION: 885 cid = READ_BT_16(packet, 3); 886 rfcomm_accept_connection_internal(cid); 887 break; 888 case RFCOMM_DECLINE_CONNECTION: 889 cid = READ_BT_16(packet, 3); 890 reason = packet[7]; 891 rfcomm_decline_connection_internal(cid); 892 break; 893 case RFCOMM_GRANT_CREDITS: 894 cid = READ_BT_16(packet, 3); 895 rfcomm_credits = packet[5]; 896 rfcomm_grant_credits(cid, rfcomm_credits); 897 break; 898 case RFCOMM_PERSISTENT_CHANNEL: { 899 if (remote_device_db) { 900 // enforce \0 901 packet[3+248] = 0; 902 rfcomm_channel = remote_device_db->persistent_rfcomm_channel((char*)&packet[3]); 903 } else { 904 // NOTE: hack for non-iOS platforms 905 rfcomm_channel = rfcomm_channel_generator++; 906 } 907 log_info("RFCOMM_EVENT_PERSISTENT_CHANNEL %u", rfcomm_channel); 908 uint8_t event[4]; 909 event[0] = RFCOMM_EVENT_PERSISTENT_CHANNEL; 910 event[1] = sizeof(event) - 2; 911 event[2] = 0; 912 event[3] = rfcomm_channel; 913 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 914 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, (uint8_t *) event, sizeof(event)); 915 break; 916 } 917 918 case SDP_REGISTER_SERVICE_RECORD: 919 log_info("SDP_REGISTER_SERVICE_RECORD size %u\n", size); 920 service_record_handle = sdp_register_service_internal(connection, &packet[3]); 921 daemon_add_client_sdp_service_record_handle(connection, service_record_handle); 922 break; 923 case SDP_UNREGISTER_SERVICE_RECORD: 924 service_record_handle = READ_BT_32(packet, 3); 925 log_info("SDP_UNREGISTER_SERVICE_RECORD handle 0x%x ", service_record_handle); 926 sdp_unregister_service_internal(connection, service_record_handle); 927 daemon_remove_client_sdp_service_record_handle(connection, service_record_handle); 928 break; 929 case SDP_CLIENT_QUERY_RFCOMM_SERVICES: 930 bt_flip_addr(addr, &packet[3]); 931 932 serviceSearchPatternLen = de_get_len(&packet[9]); 933 memcpy(serviceSearchPattern, &packet[9], serviceSearchPatternLen); 934 935 sdp_query_rfcomm_register_callback(handle_sdp_rfcomm_service_result, connection); 936 sdp_query_rfcomm_channel_and_name_for_search_pattern(addr, serviceSearchPattern); 937 938 break; 939 case SDP_CLIENT_QUERY_SERVICES: 940 bt_flip_addr(addr, &packet[3]); 941 sdp_parser_init(); 942 sdp_client_query_connection = connection; 943 sdp_parser_register_callback(handle_sdp_client_query_result); 944 945 serviceSearchPatternLen = de_get_len(&packet[9]); 946 memcpy(serviceSearchPattern, &packet[9], serviceSearchPatternLen); 947 948 attributeIDListLen = de_get_len(&packet[9+serviceSearchPatternLen]); 949 memcpy(attributeIDList, &packet[9+serviceSearchPatternLen], attributeIDListLen); 950 951 sdp_client_query(addr, (uint8_t*)&serviceSearchPattern[0], (uint8_t*)&attributeIDList[0]); 952 953 // sdp_general_query_for_uuid(addr, SDP_PublicBrowseGroup); 954 break; 955 case GAP_LE_SCAN_START: 956 le_central_start_scan(); 957 break; 958 case GAP_LE_SCAN_STOP: 959 le_central_stop_scan(); 960 break; 961 case GAP_LE_SET_SCAN_PARAMETERS: 962 le_central_set_scan_parameters(packet[3], READ_BT_16(packet, 4), READ_BT_16(packet, 6)); 963 break; 964 case GAP_LE_CONNECT: 965 bt_flip_addr(addr, &packet[4]); 966 addr_type = packet[3]; 967 le_central_connect(addr, addr_type); 968 break; 969 case GAP_LE_CONNECT_CANCEL: 970 le_central_connect_cancel(); 971 break; 972 case GAP_DISCONNECT: 973 handle = READ_BT_16(packet, 3); 974 gap_disconnect(handle); 975 break; 976 #if defined(HAVE_MALLOC) && defined(HAVE_BLE) 977 case GATT_DISCOVER_ALL_PRIMARY_SERVICES: 978 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 979 if (!gatt_helper) break; 980 gatt_client_discover_primary_services(gatt_client_id, gatt_helper->con_handle); 981 break; 982 case GATT_DISCOVER_PRIMARY_SERVICES_BY_UUID16: 983 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 984 if (!gatt_helper) break; 985 gatt_client_discover_primary_services_by_uuid16(gatt_client_id, gatt_helper->con_handle, READ_BT_16(packet, 5)); 986 break; 987 case GATT_DISCOVER_PRIMARY_SERVICES_BY_UUID128: 988 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 989 if (!gatt_helper) break; 990 swap128(&packet[5], uuid128); 991 gatt_client_discover_primary_services_by_uuid128(gatt_client_id, gatt_helper->con_handle, uuid128); 992 break; 993 case GATT_FIND_INCLUDED_SERVICES_FOR_SERVICE: 994 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 995 if (!gatt_helper) break; 996 daemon_gatt_deserialize_service(packet, 5, &service); 997 gatt_client_find_included_services_for_service(gatt_client_id, gatt_helper->con_handle, &service); 998 break; 999 1000 case GATT_DISCOVER_CHARACTERISTICS_FOR_SERVICE: 1001 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1002 if (!gatt_helper) break; 1003 daemon_gatt_deserialize_service(packet, 5, &service); 1004 gatt_client_discover_characteristics_for_service(gatt_client_id, gatt_helper->con_handle, &service); 1005 break; 1006 case GATT_DISCOVER_CHARACTERISTICS_FOR_SERVICE_BY_UUID128: 1007 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1008 if (!gatt_helper) break; 1009 daemon_gatt_deserialize_service(packet, 5, &service); 1010 swap128(&packet[5 + SERVICE_LENGTH], uuid128); 1011 gatt_client_discover_characteristics_for_service_by_uuid128(gatt_client_id, gatt_helper->con_handle, &service, uuid128); 1012 break; 1013 case GATT_DISCOVER_CHARACTERISTIC_DESCRIPTORS: 1014 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1015 if (!gatt_helper) break; 1016 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1017 gatt_client_discover_characteristic_descriptors(gatt_client_id, gatt_helper->con_handle, &characteristic); 1018 break; 1019 1020 case GATT_READ_VALUE_OF_CHARACTERISTIC: 1021 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1022 if (!gatt_helper) break; 1023 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1024 gatt_client_read_value_of_characteristic(gatt_client_id, gatt_helper->con_handle, &characteristic); 1025 break; 1026 case GATT_READ_LONG_VALUE_OF_CHARACTERISTIC: 1027 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1028 if (!gatt_helper) break; 1029 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1030 gatt_client_read_long_value_of_characteristic(gatt_client_id, gatt_helper->con_handle, &characteristic); 1031 break; 1032 1033 case GATT_WRITE_VALUE_OF_CHARACTERISTIC_WITHOUT_RESPONSE: 1034 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 0); // note: don't track active connection 1035 if (!gatt_helper) break; 1036 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1037 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_LENGTH); 1038 data = gatt_helper->characteristic_buffer; 1039 memcpy(data, &packet[7 + CHARACTERISTIC_LENGTH], data_length); 1040 gatt_client_write_value_of_characteristic_without_response(gatt_client_id, gatt_helper->con_handle, characteristic.value_handle, data_length, data); 1041 break; 1042 case GATT_WRITE_VALUE_OF_CHARACTERISTIC: 1043 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1044 if (!gatt_helper) break; 1045 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1046 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_LENGTH); 1047 data = gatt_helper->characteristic_buffer; 1048 memcpy(data, &packet[7 + CHARACTERISTIC_LENGTH], data_length); 1049 gatt_client_write_value_of_characteristic(gatt_client_id, gatt_helper->con_handle, characteristic.value_handle, data_length, data); 1050 break; 1051 case GATT_WRITE_LONG_VALUE_OF_CHARACTERISTIC: 1052 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1053 if (!gatt_helper) break; 1054 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1055 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_LENGTH); 1056 data = gatt_helper->characteristic_buffer; 1057 memcpy(data, &packet[7 + CHARACTERISTIC_LENGTH], data_length); 1058 gatt_client_write_long_value_of_characteristic(gatt_client_id, gatt_helper->con_handle, characteristic.value_handle, data_length, data); 1059 break; 1060 case GATT_RELIABLE_WRITE_LONG_VALUE_OF_CHARACTERISTIC: 1061 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1062 if (!gatt_helper) break; 1063 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1064 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_LENGTH); 1065 data = gatt_helper->characteristic_buffer; 1066 memcpy(data, &packet[7 + CHARACTERISTIC_LENGTH], data_length); 1067 gatt_client_write_long_value_of_characteristic(gatt_client_id, gatt_helper->con_handle, characteristic.value_handle, data_length, data); 1068 break; 1069 case GATT_READ_CHARACTERISTIC_DESCRIPTOR: 1070 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1071 if (!gatt_helper) break; 1072 handle = READ_BT_16(packet, 3); 1073 daemon_gatt_deserialize_characteristic_descriptor(packet, 5, &descriptor); 1074 gatt_client_read_characteristic_descriptor(gatt_client_id, gatt_helper->con_handle, &descriptor); 1075 break; 1076 case GATT_READ_LONG_CHARACTERISTIC_DESCRIPTOR: 1077 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1078 if (!gatt_helper) break; 1079 daemon_gatt_deserialize_characteristic_descriptor(packet, 5, &descriptor); 1080 gatt_client_read_long_characteristic_descriptor(gatt_client_id, gatt_helper->con_handle, &descriptor); 1081 break; 1082 1083 case GATT_WRITE_CHARACTERISTIC_DESCRIPTOR: 1084 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1085 if (!gatt_helper) break; 1086 daemon_gatt_deserialize_characteristic_descriptor(packet, 5, &descriptor); 1087 data = gatt_helper->characteristic_buffer; 1088 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_DESCRIPTOR_LENGTH); 1089 gatt_client_write_characteristic_descriptor(gatt_client_id, gatt_helper->con_handle, &descriptor, data_length, data); 1090 break; 1091 case GATT_WRITE_LONG_CHARACTERISTIC_DESCRIPTOR: 1092 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1093 if (!gatt_helper) break; 1094 daemon_gatt_deserialize_characteristic_descriptor(packet, 5, &descriptor); 1095 data = gatt_helper->characteristic_buffer; 1096 data_length = READ_BT_16(packet, 5 + CHARACTERISTIC_DESCRIPTOR_LENGTH); 1097 gatt_client_write_long_characteristic_descriptor(gatt_client_id, gatt_helper->con_handle, &descriptor, data_length, data); 1098 break; 1099 case GATT_WRITE_CLIENT_CHARACTERISTIC_CONFIGURATION:{ 1100 uint16_t configuration = READ_BT_16(packet, 5 + CHARACTERISTIC_LENGTH); 1101 gatt_helper = daemon_setup_gatt_client_request(connection, packet, 1); 1102 if (!gatt_helper) break; 1103 data = gatt_helper->characteristic_buffer; 1104 daemon_gatt_deserialize_characteristic(packet, 5, &characteristic); 1105 gatt_client_write_client_characteristic_configuration(gatt_client_id, gatt_helper->con_handle, &characteristic, configuration); 1106 break; 1107 case GATT_GET_MTU: 1108 handle = READ_BT_16(packet, 3); 1109 gatt_client_get_mtu(handle, &mtu); 1110 send_gatt_mtu_event(connection, handle, mtu); 1111 break; 1112 } 1113 #endif 1114 default: 1115 log_error("Error: command %u not implemented:", READ_CMD_OCF(packet)); 1116 break; 1117 } 1118 1119 return 0; 1120 } 1121 1122 static int daemon_client_handler(connection_t *connection, uint16_t packet_type, uint16_t channel, uint8_t *data, uint16_t length){ 1123 1124 int err = 0; 1125 client_state_t * client; 1126 1127 switch (packet_type){ 1128 case HCI_COMMAND_DATA_PACKET: 1129 if (READ_CMD_OGF(data) != OGF_BTSTACK) { 1130 // HCI Command 1131 hci_send_cmd_packet(data, length); 1132 } else { 1133 // BTstack command 1134 btstack_command_handler(connection, data, length); 1135 } 1136 break; 1137 case L2CAP_DATA_PACKET: 1138 // process l2cap packet... 1139 err = l2cap_send_internal(channel, data, length); 1140 if (err == BTSTACK_ACL_BUFFERS_FULL) { 1141 l2cap_block_new_credits(1); 1142 } 1143 break; 1144 case RFCOMM_DATA_PACKET: 1145 // process l2cap packet... 1146 err = rfcomm_send_internal(channel, data, length); 1147 break; 1148 case DAEMON_EVENT_PACKET: 1149 switch (data[0]) { 1150 case DAEMON_EVENT_CONNECTION_OPENED: 1151 log_info("DAEMON_EVENT_CONNECTION_OPENED %p\n",connection); 1152 1153 client = malloc(sizeof(client_state_t)); 1154 if (!client) break; // fail 1155 memset(client, 0, sizeof(client_state_t)); 1156 client->connection = connection; 1157 client->power_mode = HCI_POWER_OFF; 1158 client->discoverable = 0; 1159 linked_list_add(&clients, (linked_item_t *) client); 1160 break; 1161 case DAEMON_EVENT_CONNECTION_CLOSED: 1162 log_info("DAEMON_EVENT_CONNECTION_CLOSED %p\n",connection); 1163 daemon_disconnect_client(connection); 1164 sdp_query_rfcomm_deregister_callback(); 1165 // no clients -> no HCI connections 1166 if (!clients){ 1167 hci_disconnect_all(); 1168 } 1169 1170 // update discoverable mode 1171 hci_discoverable_control(clients_require_discoverable()); 1172 // start power off, if last active client 1173 if (!clients_require_power_on()){ 1174 start_power_off_timer(); 1175 } 1176 break; 1177 case DAEMON_NR_CONNECTIONS_CHANGED: 1178 log_info("Nr Connections changed, new %u\n",data[1]); 1179 break; 1180 default: 1181 break; 1182 } 1183 break; 1184 } 1185 if (err) { 1186 log_info("Daemon Handler: err %d\n", err); 1187 } 1188 return err; 1189 } 1190 1191 1192 static void daemon_set_logging_enabled(int enabled){ 1193 if (enabled && !loggingEnabled){ 1194 hci_dump_open(BTSTACK_LOG_FILE, BTSTACK_LOG_TYPE); 1195 } 1196 if (!enabled && loggingEnabled){ 1197 hci_dump_close(); 1198 } 1199 loggingEnabled = enabled; 1200 } 1201 1202 // local cache used to manage UI status 1203 static HCI_STATE hci_state = HCI_STATE_OFF; 1204 static int num_connections = 0; 1205 static void update_ui_status(void){ 1206 if (hci_state != HCI_STATE_WORKING) { 1207 bluetooth_status_handler(BLUETOOTH_OFF); 1208 } else { 1209 if (num_connections) { 1210 bluetooth_status_handler(BLUETOOTH_ACTIVE); 1211 } else { 1212 bluetooth_status_handler(BLUETOOTH_ON); 1213 } 1214 } 1215 } 1216 1217 #ifdef USE_SPRINGBOARD 1218 static void preferences_changed_callback(void){ 1219 int logging = platform_iphone_logging_enabled(); 1220 log_info("Logging enabled: %u\n", logging); 1221 daemon_set_logging_enabled(logging); 1222 } 1223 #endif 1224 1225 static void deamon_status_event_handler(uint8_t *packet, uint16_t size){ 1226 1227 uint8_t update_status = 0; 1228 1229 // handle state event 1230 switch (packet[0]) { 1231 case BTSTACK_EVENT_STATE: 1232 hci_state = packet[2]; 1233 log_info("New state: %u\n", hci_state); 1234 update_status = 1; 1235 break; 1236 case BTSTACK_EVENT_NR_CONNECTIONS_CHANGED: 1237 num_connections = packet[2]; 1238 log_info("New nr connections: %u\n", num_connections); 1239 update_status = 1; 1240 break; 1241 default: 1242 break; 1243 } 1244 1245 // choose full bluetooth state 1246 if (update_status) { 1247 update_ui_status(); 1248 } 1249 } 1250 1251 static void daemon_retry_parked(void){ 1252 1253 // socket_connection_retry_parked is not reentrant 1254 static int retry_mutex = 0; 1255 1256 // lock mutex 1257 if (retry_mutex) return; 1258 retry_mutex = 1; 1259 1260 // ... try sending again 1261 socket_connection_retry_parked(); 1262 1263 if (!socket_connection_has_parked_connections()){ 1264 l2cap_block_new_credits(0); 1265 } 1266 1267 // unlock mutex 1268 retry_mutex = 0; 1269 } 1270 1271 #if 0 1272 1273 Minimal Code for LE Peripheral 1274 1275 enum { 1276 SET_ADVERTISEMENT_PARAMS = 1 << 0, 1277 SET_ADVERTISEMENT_DATA = 1 << 1, 1278 ENABLE_ADVERTISEMENTS = 1 << 2, 1279 }; 1280 1281 const uint8_t adv_data[] = { 1282 // Flags general discoverable 1283 0x02, 0x01, 0x02, 1284 // Name 1285 0x08, 0x09, 'B', 'T', 's', 't', 'a', 'c', 'k' 1286 }; 1287 uint8_t adv_data_len = sizeof(adv_data); 1288 static uint16_t todos = 0; 1289 1290 static void app_run(void){ 1291 1292 if (!hci_can_send_command_packet_now()) return; 1293 1294 if (todos & SET_ADVERTISEMENT_DATA){ 1295 log_info("app_run: set advertisement data\n"); 1296 todos &= ~SET_ADVERTISEMENT_DATA; 1297 hci_send_cmd(&hci_le_set_advertising_data, adv_data_len, adv_data); 1298 return; 1299 } 1300 1301 if (todos & SET_ADVERTISEMENT_PARAMS){ 1302 todos &= ~SET_ADVERTISEMENT_PARAMS; 1303 uint8_t adv_type = 0; // default 1304 bd_addr_t null_addr; 1305 memset(null_addr, 0, 6); 1306 uint16_t adv_int_min = 0x0030; 1307 uint16_t adv_int_max = 0x0030; 1308 hci_send_cmd(&hci_le_set_advertising_parameters, adv_int_min, adv_int_max, adv_type, 0, 0, &null_addr, 0x07, 0x00); 1309 return; 1310 } 1311 1312 if (todos & ENABLE_ADVERTISEMENTS){ 1313 log_info("app_run: enable advertisements\n"); 1314 todos &= ~ENABLE_ADVERTISEMENTS; 1315 hci_send_cmd(&hci_le_set_advertise_enable, 1); 1316 return; 1317 } 1318 } 1319 #endif 1320 1321 static void daemon_packet_handler(void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ 1322 1323 switch (packet_type) { 1324 case HCI_EVENT_PACKET: 1325 deamon_status_event_handler(packet, size); 1326 switch (packet[0]){ 1327 1328 case HCI_EVENT_NUMBER_OF_COMPLETED_PACKETS: 1329 // ACL buffer freed... 1330 daemon_retry_parked(); 1331 // no need to tell clients 1332 return; 1333 case RFCOMM_EVENT_CREDITS: 1334 // RFCOMM CREDITS received... 1335 daemon_retry_parked(); 1336 break; 1337 case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: 1338 if (packet[2]) { 1339 daemon_remove_client_rfcomm_channel(connection, READ_BT_16(packet, 13)); 1340 } else { 1341 daemon_add_client_rfcomm_channel(connection, READ_BT_16(packet, 13)); 1342 } 1343 break; 1344 case RFCOMM_EVENT_CHANNEL_CLOSED: 1345 daemon_remove_client_rfcomm_channel(connection, READ_BT_16(packet, 2)); 1346 break; 1347 case RFCOMM_EVENT_SERVICE_REGISTERED: 1348 if (packet[2]) break; 1349 daemon_add_client_rfcomm_service(connection, packet[3]); 1350 break; 1351 case L2CAP_EVENT_CHANNEL_OPENED: 1352 if (packet[2]) { 1353 daemon_remove_client_l2cap_channel(connection, READ_BT_16(packet, 13)); 1354 } else { 1355 daemon_add_client_l2cap_channel(connection, READ_BT_16(packet, 13)); 1356 } 1357 break; 1358 case L2CAP_EVENT_CHANNEL_CLOSED: 1359 daemon_remove_client_l2cap_channel(connection, READ_BT_16(packet, 2)); 1360 break; 1361 case L2CAP_EVENT_SERVICE_REGISTERED: 1362 if (packet[2]) break; 1363 daemon_add_client_l2cap_service(connection, READ_BT_16(packet, 3)); 1364 break; 1365 #if defined(HAVE_BLE) && defined(HAVE_MALLOC) 1366 case HCI_EVENT_DISCONNECTION_COMPLETE: 1367 log_info("daemon : ignore HCI_EVENT_DISCONNECTION_COMPLETE ingnoring."); 1368 // note: moved to gatt_client_handler because it's received here prematurely 1369 // daemon_remove_gatt_client_helper(READ_BT_16(packet, 3)); 1370 break; 1371 #endif 1372 default: 1373 break; 1374 } 1375 case DAEMON_EVENT_PACKET: 1376 switch (packet[0]){ 1377 case DAEMON_EVENT_NEW_RFCOMM_CREDITS: 1378 daemon_retry_parked(); 1379 break; 1380 default: 1381 break; 1382 } 1383 default: 1384 break; 1385 } 1386 if (connection) { 1387 socket_connection_send_packet(connection, packet_type, channel, packet, size); 1388 } else { 1389 socket_connection_send_packet_all(packet_type, channel, packet, size); 1390 } 1391 } 1392 1393 static void handle_sdp_rfcomm_service_result(sdp_query_event_t * rfcomm_event, void * context){ 1394 switch (rfcomm_event->type){ 1395 case SDP_QUERY_RFCOMM_SERVICE: { 1396 sdp_query_rfcomm_service_event_t * service_event = (sdp_query_rfcomm_service_event_t*) rfcomm_event; 1397 int name_len = (int)strlen((const char*)service_event->service_name); 1398 int event_len = 3 + name_len; 1399 uint8_t event[event_len]; 1400 event[0] = rfcomm_event->type; 1401 event[1] = 1 + name_len; 1402 event[2] = service_event->channel_nr; 1403 memcpy(&event[3], service_event->service_name, name_len); 1404 hci_dump_packet(HCI_EVENT_PACKET, 0, event, event_len); 1405 socket_connection_send_packet(context, HCI_EVENT_PACKET, 0, event, event_len); 1406 break; 1407 } 1408 case SDP_QUERY_COMPLETE: { 1409 sdp_query_complete_event_t * complete_event = (sdp_query_complete_event_t*) rfcomm_event; 1410 uint8_t event[] = { rfcomm_event->type, 1, complete_event->status}; 1411 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 1412 socket_connection_send_packet(context, HCI_EVENT_PACKET, 0, event, sizeof(event)); 1413 break; 1414 } 1415 } 1416 } 1417 1418 static void sdp_client_assert_buffer(int size){ 1419 if (size > attribute_value_buffer_size){ 1420 log_error("SDP attribute value buffer size exceeded: available %d, required %d", attribute_value_buffer_size, size); 1421 } 1422 } 1423 1424 // define new packet type SDP_CLIENT_PACKET 1425 static void handle_sdp_client_query_result(sdp_query_event_t * event){ 1426 sdp_query_attribute_value_event_t * ve; 1427 sdp_query_complete_event_t * complete_event; 1428 1429 switch (event->type){ 1430 case SDP_QUERY_ATTRIBUTE_VALUE: 1431 ve = (sdp_query_attribute_value_event_t*) event; 1432 1433 sdp_client_assert_buffer(ve->attribute_length); 1434 1435 attribute_value[ve->data_offset] = ve->data; 1436 1437 if ((uint16_t)(ve->data_offset+1) == ve->attribute_length){ 1438 hexdump(attribute_value, ve->attribute_length); 1439 1440 int event_len = 1 + 3 * 2 + ve->attribute_length; 1441 uint8_t event[event_len]; 1442 event[0] = SDP_QUERY_ATTRIBUTE_VALUE; 1443 bt_store_16(event, 1, (uint16_t)ve->record_id); 1444 bt_store_16(event, 3, ve->attribute_id); 1445 bt_store_16(event, 5, (uint16_t)ve->attribute_length); 1446 memcpy(&event[7], attribute_value, ve->attribute_length); 1447 hci_dump_packet(SDP_CLIENT_PACKET, 0, event, event_len); 1448 socket_connection_send_packet(sdp_client_query_connection, SDP_CLIENT_PACKET, 0, event, event_len); 1449 } 1450 1451 break; 1452 case SDP_QUERY_COMPLETE: 1453 complete_event = (sdp_query_complete_event_t*) event; 1454 uint8_t event[] = { SDP_QUERY_COMPLETE, 1, complete_event->status}; 1455 hci_dump_packet(HCI_EVENT_PACKET, 0, event, sizeof(event)); 1456 socket_connection_send_packet(sdp_client_query_connection, HCI_EVENT_PACKET, 0, event, sizeof(event)); 1457 break; 1458 } 1459 } 1460 1461 static void power_notification_callback(POWER_NOTIFICATION_t notification){ 1462 switch (notification) { 1463 case POWER_WILL_SLEEP: 1464 // let's sleep 1465 power_management_sleep = 1; 1466 hci_power_control(HCI_POWER_SLEEP); 1467 break; 1468 case POWER_WILL_WAKE_UP: 1469 // assume that all clients use Bluetooth -> if connection, start Bluetooth 1470 power_management_sleep = 0; 1471 if (clients_require_power_on()) { 1472 hci_power_control(HCI_POWER_ON); 1473 } 1474 break; 1475 default: 1476 break; 1477 } 1478 } 1479 1480 static void daemon_sigint_handler(int param){ 1481 1482 #ifdef USE_BLUETOOL 1483 // notify daemons 1484 notify_post("ch.ringwald.btstack.stopped"); 1485 #endif 1486 1487 log_info(" <= SIGINT received, shutting down..\n"); 1488 1489 hci_power_control( HCI_POWER_OFF); 1490 hci_close(); 1491 1492 log_info("Good bye, see you.\n"); 1493 1494 exit(0); 1495 } 1496 1497 // MARK: manage power off timer 1498 1499 #define USE_POWER_OFF_TIMER 1500 1501 static void stop_power_off_timer(void){ 1502 #ifdef USE_POWER_OFF_TIMER 1503 if (timeout_active) { 1504 run_loop_remove_timer(&timeout); 1505 timeout_active = 0; 1506 } 1507 #endif 1508 } 1509 1510 static void start_power_off_timer(void){ 1511 #ifdef USE_POWER_OFF_TIMER 1512 stop_power_off_timer(); 1513 run_loop_set_timer(&timeout, DAEMON_NO_ACTIVE_CLIENT_TIMEOUT); 1514 run_loop_add_timer(&timeout); 1515 timeout_active = 1; 1516 #else 1517 hci_power_control(HCI_POWER_OFF); 1518 #endif 1519 } 1520 1521 // MARK: manage list of clients 1522 1523 1524 static client_state_t * client_for_connection(connection_t *connection) { 1525 linked_item_t *it; 1526 for (it = (linked_item_t *) clients; it ; it = it->next){ 1527 client_state_t * client_state = (client_state_t *) it; 1528 if (client_state->connection == connection) { 1529 return client_state; 1530 } 1531 } 1532 return NULL; 1533 } 1534 1535 static void clients_clear_power_request(void){ 1536 linked_item_t *it; 1537 for (it = (linked_item_t *) clients; it ; it = it->next){ 1538 client_state_t * client_state = (client_state_t *) it; 1539 client_state->power_mode = HCI_POWER_OFF; 1540 } 1541 } 1542 1543 static int clients_require_power_on(void){ 1544 1545 if (global_enable) return 1; 1546 1547 linked_item_t *it; 1548 for (it = (linked_item_t *) clients; it ; it = it->next){ 1549 client_state_t * client_state = (client_state_t *) it; 1550 if (client_state->power_mode == HCI_POWER_ON) { 1551 return 1; 1552 } 1553 } 1554 return 0; 1555 } 1556 1557 static int clients_require_discoverable(void){ 1558 linked_item_t *it; 1559 for (it = (linked_item_t *) clients; it ; it = it->next){ 1560 client_state_t * client_state = (client_state_t *) it; 1561 if (client_state->discoverable) { 1562 return 1; 1563 } 1564 } 1565 return 0; 1566 } 1567 1568 static void usage(const char * name) { 1569 printf("%s, BTstack background daemon\n", name); 1570 printf("usage: %s [--help] [--tcp port]\n", name); 1571 printf(" --help display this usage\n"); 1572 printf(" --tcp use TCP server on port %u\n", BTSTACK_PORT); 1573 printf("Without the --tcp option, BTstack daemon is listening on unix domain socket %s\n\n", BTSTACK_UNIX); 1574 } 1575 1576 #ifdef USE_BLUETOOL 1577 static void * run_loop_thread(void *context){ 1578 run_loop_execute(); 1579 return NULL; 1580 } 1581 #endif 1582 1583 #ifdef HAVE_BLE 1584 1585 static void handle_gatt_client_event(uint8_t packet_type, uint8_t * packet, uint16_t size){ 1586 1587 // hack: handle disconnection_complete_here instead of main hci event packet handler 1588 // we receive a HCI event packet in disguise 1589 if (packet[0] == HCI_EVENT_DISCONNECTION_COMPLETE){ 1590 log_info("daemon hack: handle disconnection_complete in handle_gatt_client_event instead of main hci event packet handler"); 1591 uint16_t handle = READ_BT_16(packet, 3); 1592 daemon_remove_gatt_client_helper(handle); 1593 return; 1594 } 1595 1596 // only handle GATT Events 1597 switch(packet[0]){ 1598 case GATT_SERVICE_QUERY_RESULT: 1599 case GATT_INCLUDED_SERVICE_QUERY_RESULT: 1600 case GATT_NOTIFICATION: 1601 case GATT_INDICATION: 1602 case GATT_CHARACTERISTIC_QUERY_RESULT: 1603 case GATT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT: 1604 case GATT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT: 1605 case GATT_LONG_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT: 1606 case GATT_CHARACTERISTIC_VALUE_QUERY_RESULT: 1607 case GATT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT: 1608 case GATT_QUERY_COMPLETE: 1609 break; 1610 default: 1611 return; 1612 } 1613 1614 uint16_t con_handle = READ_BT_16(packet, 2); 1615 linked_list_gatt_client_helper_t * gatt_client_helper = daemon_get_gatt_client_helper(con_handle); 1616 if (!gatt_client_helper){ 1617 log_info("daemon handle_gatt_client_event: gc helper for handle 0x%2x is NULL.", con_handle); 1618 return; 1619 } 1620 1621 connection_t *connection = NULL; 1622 1623 // daemon doesn't track which connection subscribed to this particular handle, so we just notify all connections 1624 switch(packet[0]){ 1625 case GATT_NOTIFICATION: 1626 case GATT_INDICATION:{ 1627 hci_dump_packet(HCI_EVENT_PACKET, 0, packet, size); 1628 1629 linked_item_t *it; 1630 for (it = (linked_item_t *) clients; it ; it = it->next){ 1631 client_state_t * client_state = (client_state_t *) it; 1632 socket_connection_send_packet(client_state->connection, HCI_EVENT_PACKET, 0, packet, size); 1633 } 1634 return; 1635 } 1636 default: 1637 break; 1638 } 1639 1640 // otherwise, we have to have an active connection 1641 connection = gatt_client_helper->active_connection; 1642 uint16_t offset; 1643 uint16_t length; 1644 1645 if (!connection) return; 1646 1647 switch(packet[0]){ 1648 1649 case GATT_SERVICE_QUERY_RESULT: 1650 case GATT_INCLUDED_SERVICE_QUERY_RESULT: 1651 case GATT_CHARACTERISTIC_QUERY_RESULT: 1652 case GATT_CHARACTERISTIC_VALUE_QUERY_RESULT: 1653 case GATT_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT: 1654 case GATT_ALL_CHARACTERISTIC_DESCRIPTORS_QUERY_RESULT: 1655 hci_dump_packet(HCI_EVENT_PACKET, 0, packet, size); 1656 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, packet, size); 1657 break; 1658 1659 case GATT_LONG_CHARACTERISTIC_VALUE_QUERY_RESULT: 1660 case GATT_LONG_CHARACTERISTIC_DESCRIPTOR_QUERY_RESULT: 1661 offset = READ_BT_16(packet, 6); 1662 length = READ_BT_16(packet, 8); 1663 gatt_client_helper->characteristic_buffer[0] = packet[0]; // store type (characteristic/descriptor) 1664 gatt_client_helper->characteristic_handle = READ_BT_16(packet, 4); // store attribute handle 1665 gatt_client_helper->characteristic_length = offset + length; // update length 1666 memcpy(&gatt_client_helper->characteristic_buffer[10 + offset], &packet[10], length); 1667 break; 1668 1669 case GATT_QUERY_COMPLETE:{ 1670 gatt_client_helper->active_connection = NULL; 1671 if (gatt_client_helper->characteristic_length){ 1672 // send re-combined long characteristic value or long characteristic descriptor value 1673 uint8_t * event = gatt_client_helper->characteristic_buffer; 1674 uint16_t event_size = 10 + gatt_client_helper->characteristic_length; 1675 // event[0] == already set by previsous case 1676 event[1] = 8 + gatt_client_helper->characteristic_length; 1677 bt_store_16(event, 2, READ_BT_16(packet, 2)); 1678 bt_store_16(event, 4, gatt_client_helper->characteristic_handle); 1679 bt_store_16(event, 6, 0); // offset 1680 bt_store_16(event, 8, gatt_client_helper->characteristic_length); 1681 hci_dump_packet(HCI_EVENT_PACKET, 0, event, event_size); 1682 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, event, event_size); 1683 gatt_client_helper->characteristic_length = 0; 1684 } 1685 hci_dump_packet(HCI_EVENT_PACKET, 0, packet, size); 1686 socket_connection_send_packet(connection, HCI_EVENT_PACKET, 0, packet, size); 1687 break; 1688 } 1689 default: 1690 break; 1691 } 1692 } 1693 #endif 1694 1695 int main (int argc, char * const * argv){ 1696 1697 static int tcp_flag = 0; 1698 1699 while (1) { 1700 static struct option long_options[] = { 1701 { "tcp", no_argument, &tcp_flag, 1 }, 1702 { "help", no_argument, 0, 0 }, 1703 { 0,0,0,0 } // This is a filler for -1 1704 }; 1705 1706 int c; 1707 int option_index = -1; 1708 1709 c = getopt_long(argc, argv, "h", long_options, &option_index); 1710 1711 if (c == -1) break; // no more option 1712 1713 // treat long parameter first 1714 if (option_index == -1) { 1715 switch (c) { 1716 case '?': 1717 case 'h': 1718 usage(argv[0]); 1719 return 0; 1720 break; 1721 } 1722 } else { 1723 switch (option_index) { 1724 case 1: 1725 usage(argv[0]); 1726 return 0; 1727 break; 1728 } 1729 } 1730 } 1731 1732 if (tcp_flag){ 1733 printf("BTstack Daemon started on port %u\n", BTSTACK_PORT); 1734 } else { 1735 printf("BTstack Daemon started on socket %s\n", BTSTACK_UNIX); 1736 } 1737 1738 // make stdout unbuffered 1739 setbuf(stdout, NULL); 1740 1741 // handle CTRL-c 1742 signal(SIGINT, daemon_sigint_handler); 1743 // handle SIGTERM - suggested for launchd 1744 signal(SIGTERM, daemon_sigint_handler); 1745 1746 // TODO: win32 variant 1747 #ifndef _WIN32 1748 // handle SIGPIPE 1749 struct sigaction act; 1750 act.sa_handler = SIG_IGN; 1751 sigemptyset (&act.sa_mask); 1752 act.sa_flags = 0; 1753 sigaction (SIGPIPE, &act, NULL); 1754 #endif 1755 1756 bt_control_t * control = NULL; 1757 1758 #ifdef HAVE_TRANSPORT_H4 1759 config.device_name = UART_DEVICE; 1760 config.baudrate_init = UART_SPEED; 1761 config.baudrate_main = 0; 1762 config.flowcontrol = 1; 1763 #if defined(USE_BLUETOOL) && defined(USE_POWERMANAGEMENT) 1764 if (bt_control_iphone_power_management_supported()){ 1765 // use default (max) UART baudrate over netraph interface 1766 config.baudrate_init = 0; 1767 transport = hci_transport_h4_iphone_instance(); 1768 } else { 1769 transport = hci_transport_h4_instance(); 1770 } 1771 #else 1772 transport = hci_transport_h4_instance(); 1773 #endif 1774 #endif 1775 1776 #ifdef HAVE_TRANSPORT_USB 1777 transport = hci_transport_usb_instance(); 1778 #endif 1779 1780 #ifdef USE_BLUETOOL 1781 control = &bt_control_iphone; 1782 #endif 1783 1784 #if defined(USE_BLUETOOL) && defined(USE_POWERMANAGEMENT) 1785 if (bt_control_iphone_power_management_supported()){ 1786 hci_transport_h4_iphone_set_enforce_wake_device("/dev/btwake"); 1787 } 1788 #endif 1789 1790 #ifdef USE_SPRINGBOARD 1791 bluetooth_status_handler = platform_iphone_status_handler; 1792 platform_iphone_register_window_manager_restart(update_ui_status); 1793 platform_iphone_register_preferences_changed(preferences_changed_callback); 1794 #endif 1795 1796 #ifdef REMOTE_DEVICE_DB 1797 remote_device_db = &REMOTE_DEVICE_DB; 1798 #endif 1799 1800 run_loop_init(RUN_LOOP_POSIX); 1801 1802 // init power management notifications 1803 if (control && control->register_for_power_notifications){ 1804 control->register_for_power_notifications(power_notification_callback); 1805 } 1806 1807 // logging 1808 loggingEnabled = 0; 1809 int newLoggingEnabled = 1; 1810 #ifdef USE_BLUETOOL 1811 // iPhone has toggle in Preferences.app 1812 newLoggingEnabled = platform_iphone_logging_enabled(); 1813 #endif 1814 daemon_set_logging_enabled(newLoggingEnabled); 1815 1816 // dump version 1817 log_info("BTdaemon started\n"); 1818 log_info("version %s, build %s", BTSTACK_VERSION, BTSTACK_DATE); 1819 1820 // init HCI 1821 hci_init(transport, &config, control, remote_device_db); 1822 1823 #ifdef USE_BLUETOOL 1824 // iPhone doesn't use SSP yet as there's no UI for it yet and auto accept is not an option 1825 hci_ssp_set_enable(0); 1826 #endif 1827 // init L2CAP 1828 l2cap_init(); 1829 l2cap_register_packet_handler(&daemon_packet_handler); 1830 timeout.process = daemon_no_connections_timeout; 1831 1832 #ifdef HAVE_RFCOMM 1833 log_info("config.h: HAVE_RFCOMM\n"); 1834 rfcomm_init(); 1835 rfcomm_register_packet_handler(&daemon_packet_handler); 1836 #endif 1837 1838 #ifdef HAVE_SDP 1839 sdp_init(); 1840 sdp_register_packet_handler(&daemon_packet_handler); 1841 #endif 1842 1843 #ifdef HAVE_BLE 1844 // GATT Client 1845 gatt_client_init(); 1846 gatt_client_id = gatt_client_register_packet_handler(&handle_gatt_client_event); 1847 1848 // sm_init(); 1849 // sm_set_io_capabilities(IO_CAPABILITY_DISPLAY_ONLY); 1850 // sm_set_authentication_requirements( SM_AUTHREQ_BONDING | SM_AUTHREQ_MITM_PROTECTION); 1851 1852 // GATT Server - empty attribute database 1853 le_device_db_init(); 1854 att_server_init(NULL, NULL, NULL); 1855 1856 #endif 1857 1858 #ifdef USE_LAUNCHD 1859 socket_connection_create_launchd(); 1860 #else 1861 // create server 1862 if (tcp_flag) { 1863 socket_connection_create_tcp(BTSTACK_PORT); 1864 } else { 1865 socket_connection_create_unix(BTSTACK_UNIX); 1866 } 1867 #endif 1868 socket_connection_register_packet_callback(&daemon_client_handler); 1869 1870 #ifdef USE_BLUETOOL 1871 // notify daemons 1872 notify_post("ch.ringwald.btstack.started"); 1873 1874 // spawn thread to have BTstack run loop on new thread, while main thread is used to keep CFRunLoop 1875 pthread_t run_loop; 1876 pthread_create(&run_loop, NULL, &run_loop_thread, NULL); 1877 1878 // needed to receive notifications 1879 CFRunLoopRun(); 1880 #endif 1881 // go! 1882 run_loop_execute(); 1883 return 0; 1884 } 1885