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 // 40 // HFP BTstack Mocks 41 // 42 // ***************************************************************************** 43 44 #include <stdint.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 49 #include "hci.h" 50 #include "hci_dump.h" 51 #include "classic/sdp_client_rfcomm.h" 52 #include "classic/rfcomm.h" 53 #include "classic/hfp_hf.h" 54 #include "classic/sdp_client.h" 55 #include "classic/sdp_client_rfcomm.h" 56 #include "hci.h" 57 #include "l2cap.h" 58 59 #include "mock.h" 60 61 static uint8_t sdp_rfcomm_channel_nr = 1; 62 const char sdp_rfcomm_service_name[] = "BTstackMock"; 63 static uint16_t rfcomm_cid = 1; 64 static bd_addr_t dev_addr; 65 static uint16_t sco_handle = 10; 66 static uint8_t rfcomm_payload[1000]; 67 static uint16_t rfcomm_payload_len = 0; 68 69 static uint8_t outgoing_rfcomm_payload[1000]; 70 static uint16_t outgoing_rfcomm_payload_len = 0; 71 72 static uint8_t rfcomm_reserved_buffer[1000]; 73 74 hfp_connection_t * hfp_context; 75 76 void (*registered_hci_packet_handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 77 void (*registered_rfcomm_packet_handler)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 78 void (*registered_sdp_app_callback)(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size); 79 80 uint8_t * get_rfcomm_payload(void){ 81 return &rfcomm_payload[0]; 82 } 83 84 uint16_t get_rfcomm_payload_len(void){ 85 return rfcomm_payload_len; 86 } 87 88 static int hfp_command_start_index = 0; 89 90 91 int has_more_hfp_commands(int start_command_offset, int end_command_offset){ 92 int has_cmd = get_rfcomm_payload_len() - hfp_command_start_index >= 2 + start_command_offset + end_command_offset; 93 //printf("has more: payload len %d, start %d, has more %d\n", get_rfcomm_payload_len(), hfp_command_start_index, has_cmd); 94 return has_cmd; 95 } 96 97 char * get_next_hfp_command(int start_command_offset, int end_command_offset){ 98 //printf("get next: payload len %d, start %d\n", get_rfcomm_payload_len(), hfp_command_start_index); 99 char * data = (char *)(&get_rfcomm_payload()[hfp_command_start_index + start_command_offset]); 100 int data_len = get_rfcomm_payload_len() - hfp_command_start_index - start_command_offset; 101 102 int i; 103 104 for (i = 0; i < data_len; i++){ 105 if ( *(data+i) == '\r' || *(data+i) == '\n' ) { 106 data[i]=0; 107 // update state 108 //printf("!!! command %s\n", data); 109 hfp_command_start_index = hfp_command_start_index + i + start_command_offset + end_command_offset; 110 return data; 111 } 112 } 113 printf("should not got here\n"); 114 return NULL; 115 } 116 117 void print_without_newlines(uint8_t *data, uint16_t len); 118 void print_without_newlines(uint8_t *data, uint16_t len){ 119 int found_newline = 0; 120 int found_item = 0; 121 122 for (int i=0; i<len; i++){ 123 if (data[i] == '\r' || data[i] == '\n'){ 124 if (!found_newline && found_item) printf("\n"); 125 found_newline = 1; 126 } else { 127 printf("%c", data[i]); 128 found_newline = 0; 129 found_item = 1; 130 } 131 } 132 printf("\n"); 133 } 134 135 void l2cap_init(void){} 136 void hci_add_event_handler(btstack_packet_callback_registration_t * callback_handler){ 137 registered_hci_packet_handler = callback_handler->callback; 138 } 139 140 int rfcomm_send(uint16_t rfcomm_cid, uint8_t *data, uint16_t len){ 141 142 // printf("mock: rfcomm send: "); 143 // print_without_newlines(data, len); 144 145 int start_command_offset = 2; 146 int end_command_offset = 2; 147 148 if (strncmp((char*)data, "AT", 2) == 0){ 149 start_command_offset = 0; 150 } 151 152 if (has_more_hfp_commands(start_command_offset, end_command_offset)){ 153 //printf("Buffer response: "); 154 strncpy((char*)&rfcomm_payload[rfcomm_payload_len], (char*)data, len); 155 rfcomm_payload_len += len; 156 } else { 157 hfp_command_start_index = 0; 158 //printf("Copy response: "); 159 strncpy((char*)&rfcomm_payload[0], (char*)data, len); 160 rfcomm_payload_len = len; 161 } 162 163 // print_without_newlines(rfcomm_payload,rfcomm_payload_len); 164 return 0; 165 } 166 167 void rfcomm_request_can_send_now_event(uint16_t rfcomm_cid){ 168 169 // printf("mock: rfcomm_request_can_send_now_event\n"); 170 171 uint8_t event[] = { RFCOMM_EVENT_CAN_SEND_NOW, 2, 0, 0}; 172 little_endian_store_16(event, 2, rfcomm_cid); 173 registered_rfcomm_packet_handler(HCI_EVENT_PACKET, 0, event, sizeof(event)); 174 } 175 176 int rfcomm_reserve_packet_buffer(void){ 177 // printf("mock: rfcomm_reserve_packet_buffer\n"); 178 return 1; 179 }; 180 void rfcomm_release_packet_buffer(void){}; 181 uint8_t * rfcomm_get_outgoing_buffer(void) { 182 return rfcomm_reserved_buffer; 183 } 184 uint16_t rfcomm_get_max_frame_size(uint16_t rfcomm_cid){ 185 return sizeof(rfcomm_reserved_buffer); 186 } 187 int rfcomm_send_prepared(uint16_t rfcomm_cid, uint16_t len){ 188 // printf("--- rfcomm_send_prepared with len %u ---\n", len); 189 return rfcomm_send(rfcomm_cid, rfcomm_reserved_buffer, len); 190 } 191 192 static void hci_event_sco_complete(void){ 193 uint8_t event[19]; 194 uint8_t pos = 0; 195 event[pos++] = HCI_EVENT_SYNCHRONOUS_CONNECTION_COMPLETE; 196 event[pos++] = sizeof(event) - 2; 197 198 event[pos++] = 0; //status 199 little_endian_store_16(event, pos, sco_handle); pos += 2; // sco handle 200 reverse_bd_addr(dev_addr, &event[pos]); pos += 6; 201 202 event[pos++] = 0; // link_type 203 event[pos++] = 0; // transmission_interval 204 event[pos++] = 0; // retransmission_interval 205 206 little_endian_store_16(event, pos, 0); pos += 2; // rx_packet_length 207 little_endian_store_16(event, pos, 0); pos += 2; // tx_packet_length 208 209 event[pos++] = 0; // air_mode 210 (*registered_hci_packet_handler)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 211 } 212 213 int hci_send_cmd(const hci_cmd_t *cmd, ...){ 214 //printf("hci_send_cmd opcode 0x%02x\n", cmd->opcode); 215 if (cmd->opcode == 0x428){ 216 hci_event_sco_complete(); 217 } 218 return 0; 219 } 220 221 int hci_can_send_command_packet_now(void){ 222 return 1; 223 } 224 225 static void sdp_query_complete_response(uint8_t status){ 226 uint8_t event[3]; 227 event[0] = SDP_EVENT_QUERY_COMPLETE; 228 event[1] = 1; 229 event[2] = status; 230 (*registered_sdp_app_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 231 } 232 233 static void sdp_client_query_rfcomm_service_response(uint8_t status){ 234 int sdp_service_name_len = strlen(sdp_rfcomm_service_name); 235 uint8_t event[3+SDP_SERVICE_NAME_LEN+1]; 236 event[0] = SDP_EVENT_QUERY_RFCOMM_SERVICE; 237 event[1] = sdp_service_name_len + 1; 238 event[2] = sdp_rfcomm_channel_nr; 239 memcpy(&event[3], sdp_rfcomm_service_name, sdp_service_name_len); 240 event[3+sdp_service_name_len] = 0; 241 (*registered_sdp_app_callback)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 242 } 243 244 uint8_t sdp_client_query_rfcomm_channel_and_name_for_service_class_uuid(btstack_packet_handler_t callback, bd_addr_t remote, uint16_t uuid){ 245 // printf("sdp_client_query_rfcomm_channel_and_name_for_uuid %p\n", registered_sdp_app_callback); 246 registered_sdp_app_callback = callback; 247 sdp_client_query_rfcomm_service_response(0); 248 sdp_query_complete_response(0); 249 return 0; 250 } 251 252 uint8_t sdp_client_register_query_callback(btstack_context_callback_registration_t * callback_registration){ 253 (callback_registration->callback)(callback_registration->context); 254 return ERROR_CODE_SUCCESS; 255 } 256 257 uint8_t rfcomm_create_channel(btstack_packet_handler_t handler, bd_addr_t addr, uint8_t channel, uint16_t * out_cid){ 258 259 // printf("mock: rfcomm_create_channel addr %s\n", bd_addr_to_str(addr)); 260 261 registered_rfcomm_packet_handler = handler; 262 263 // RFCOMM_EVENT_CHANNEL_OPENED 264 uint8_t event[16]; 265 uint8_t pos = 0; 266 event[pos++] = RFCOMM_EVENT_CHANNEL_OPENED; 267 event[pos++] = sizeof(event) - 2; 268 event[pos++] = 0; 269 270 reverse_bd_addr(addr, &event[pos]); 271 memcpy(dev_addr, addr, 6); 272 pos += 6; 273 274 little_endian_store_16(event, pos, 1); pos += 2; 275 event[pos++] = 0; 276 277 little_endian_store_16(event, pos, rfcomm_cid); pos += 2; // channel ID 278 little_endian_store_16(event, pos, 200); pos += 2; // max frame size 279 (*registered_rfcomm_packet_handler)(HCI_EVENT_PACKET, 0, (uint8_t *) event, pos); 280 281 if (out_cid){ 282 *out_cid = rfcomm_cid; 283 } 284 return 0; 285 } 286 287 int rfcomm_can_send_packet_now(uint16_t rfcomm_cid){ 288 // printf("mock: rfcomm_can_send_packet_now\n"); 289 return 1; 290 } 291 292 void rfcomm_disconnect(uint16_t rfcomm_cid){ 293 uint8_t event[4]; 294 event[0] = RFCOMM_EVENT_CHANNEL_CLOSED; 295 event[1] = sizeof(event) - 2; 296 little_endian_store_16(event, 2, rfcomm_cid); 297 (*registered_rfcomm_packet_handler)(HCI_EVENT_PACKET, 0, (uint8_t *) event, sizeof(event)); 298 } 299 300 uint8_t rfcomm_register_service(btstack_packet_handler_t handler, uint8_t channel, uint16_t max_frame_size){ 301 // printf("rfcomm_register_service\n"); 302 registered_rfcomm_packet_handler = handler; 303 return 0; 304 } 305 306 307 uint8_t sdp_client_query_rfcomm_channel_and_name_for_search_pattern(btstack_packet_handler_t callback, bd_addr_t remote, const uint8_t * des_serviceSearchPattern){ 308 // printf("sdp_client_query_rfcomm_channel_and_name_for_search_pattern\n"); 309 return 0; 310 } 311 312 313 void rfcomm_accept_connection(uint16_t rfcomm_cid){ 314 // printf("rfcomm_accept_connection \n"); 315 } 316 317 void rfcomm_decline_connection(uint16_t rfcomm_cid){ 318 // printf("rfcomm_accept_connection \n"); 319 } 320 321 void btstack_run_loop_add_timer(btstack_timer_source_t *timer){ 322 } 323 324 int btstack_run_loop_remove_timer(btstack_timer_source_t *timer){ 325 return 0; 326 } 327 void btstack_run_loop_set_timer_handler(btstack_timer_source_t *ts, void (*process)(btstack_timer_source_t *_ts)){ 328 } 329 330 void btstack_run_loop_set_timer(btstack_timer_source_t *a, uint32_t timeout_in_ms){ 331 } 332 333 334 static void hci_emit_disconnection_complete(uint16_t handle, uint8_t reason){ 335 uint8_t event[6]; 336 event[0] = HCI_EVENT_DISCONNECTION_COMPLETE; 337 event[1] = sizeof(event) - 2; 338 event[2] = 0; // status = OK 339 little_endian_store_16(event, 3, handle); 340 event[5] = reason; 341 (*registered_hci_packet_handler)(HCI_EVENT_PACKET, 0, event, sizeof(event)); 342 } 343 344 uint8_t gap_disconnect(hci_con_handle_t handle){ 345 hci_emit_disconnection_complete(handle, 0); 346 return 0; 347 } 348 349 uint16_t hci_get_sco_voice_setting(void){ 350 return 0x40; 351 } 352 353 int hci_remote_esco_supported(hci_con_handle_t handle){ 354 return 0; 355 } 356 357 static void add_new_lines_to_hfp_command(uint8_t * data, int len){ 358 if (len <= 0) return; 359 memset(&outgoing_rfcomm_payload, 0, 200); 360 int pos = 0; 361 362 if (strncmp((char*)data, "AT", 2) == 0){ 363 strncpy((char*)&outgoing_rfcomm_payload[pos], (char*)data, len); 364 pos += len; 365 } else { 366 outgoing_rfcomm_payload[pos++] = '\r'; 367 outgoing_rfcomm_payload[pos++] = '\n'; 368 strncpy((char*)&outgoing_rfcomm_payload[pos], (char*)data, len); 369 pos += len; 370 } 371 outgoing_rfcomm_payload[pos++] = '\r'; 372 outgoing_rfcomm_payload[pos++] = '\n'; 373 outgoing_rfcomm_payload[pos] = 0; 374 outgoing_rfcomm_payload_len = pos; 375 } 376 377 void inject_hfp_command_to_hf(uint8_t * data, int len){ 378 if (memcmp((char*)data, "AT", 2) == 0) return; 379 add_new_lines_to_hfp_command(data, len); 380 // printf("inject_hfp_command_to_hf to HF: "); 381 // print_without_newlines(outgoing_rfcomm_payload,outgoing_rfcomm_payload_len); 382 (*registered_rfcomm_packet_handler)(RFCOMM_DATA_PACKET, rfcomm_cid, (uint8_t *) &outgoing_rfcomm_payload[0], outgoing_rfcomm_payload_len); 383 384 } 385 386 void inject_hfp_command_to_ag(uint8_t * data, int len){ 387 if (data[0] == '+') return; 388 389 add_new_lines_to_hfp_command(data, len); 390 391 // printf("mock: inject command to ag: "); 392 // print_without_newlines(data, len); 393 394 (*registered_rfcomm_packet_handler)(RFCOMM_DATA_PACKET, rfcomm_cid, (uint8_t *) &outgoing_rfcomm_payload[0], outgoing_rfcomm_payload_len); 395 } 396 397 398 int hci_extended_sco_link_supported(void){ 399 return 1; 400 } 401