bt-service-adaptation/services/audio/a2dp_src/bt-service-a2dp-src.c

   1 /*
   2  * Bluetooth-frwk
   3  *
   4  * Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:  Anupam Roy <anupam.r@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *              http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <sys/socket.h>
  23 #include <sys/errno.h>
  24 #include <sys/stat.h>
  25 #include <fcntl.h>
  26 #include <vconf.h>
  27
  28 #include "oal-hardware.h"
  29 #include "oal-device-mgr.h"
  30 #include <oal-manager.h>
  31 #include <oal-audio-src.h>
  32
  33 #include <bt-service-a2dp-src.h>
  34 #include <bt-service-event.h>
  35
  36 int _bt_a2dp_connect_remote_sink(bluetooth_device_address_t *device_address)
  37 {
  38         oal_status_t status = OAL_STATUS_SUCCESS;
  39         int result = BLUETOOTH_ERROR_NONE;
  40         BT_INFO("+");
  41
  42         status = audio_connect((bt_address_t*)device_address);
  43         if (status != OAL_STATUS_SUCCESS) {
  44                 BT_ERR("Connection could not be established, err: [%d]", status);
  45                 result = BLUETOOTH_ERROR_INTERNAL;
  46         }
  47         return result;
  48 }
  49
  50 int _bt_a2dp_disconnect_remote_sink(bluetooth_device_address_t *device_address)
  51 {
  52         oal_status_t status = OAL_STATUS_SUCCESS;
  53         int result = BLUETOOTH_ERROR_NONE;
  54         BT_INFO("+");
  55
  56         status = audio_disconnect((bt_address_t*)device_address);
  57         if (status != OAL_STATUS_SUCCESS) {
  58                 BT_ERR("DisConnection err: [%d]", status);
  59                 result = BLUETOOTH_ERROR_INTERNAL;
  60         }
  61         return result;
  62 }
  63
  64 static void __bt_handle_av_connected_state(bluetooth_device_address_t *address)
  65 {
  66         char addr[BT_ADDRESS_STRING_SIZE] = { 0 };
  67         char connected_address[BT_ADDRESS_STRING_SIZE + 1];
  68         gboolean connected;
  69         bt_headset_wait_t *wait_device = NULL;
  70         bluetooth_device_address_t device_address;
  71         bluetooth_device_address_t wait_device_address;
  72         GVariant *param;
  73
  74         GArray *out_param;
  75         invocation_info_t *req_info;
  76         bt_pending_audio_conn_t *data = NULL;
  77
  78         int result = BLUETOOTH_ERROR_NONE;
  79         ret_if(NULL == address);
  80         BT_INFO("+");
  81
  82         _bt_convert_addr_type_to_string(addr, address->addr);
  83         BT_INFO("Address of connected device [%s]", addr);
  84
  85         /* Set VCONF Key for A2DP Connected status */
  86         _bt_set_device_values(TRUE, VCONFKEY_BT_DEVICE_A2DP_HEADSET_CONNECTED);
  87
  88         /* Send A2DP(SRC Role) connected event to Application */
  89         param = g_variant_new("(is)", result, addr);
  90         _bt_send_event(BT_HEADSET_EVENT, BLUETOOTH_EVENT_AV_CONNECTED, param);
  91
  92         connected = _bt_is_headset_type_connected(BT_AUDIO_A2DP, connected_address);
  93         if (connected) {
  94                 BT_INFO("connected_address: %s", connected_address);
  95                 if (g_strcmp0(connected_address, addr) != 0) {
  96                         _bt_convert_addr_string_to_type(
  97                                         device_address.addr,
  98                                         connected_address);
  99                         _bt_audio_disconnect(BT_AUDIO_A2DP, &device_address);
 100                 }
 101         }
 102
 103         /* Add data from the connected list */
 104         _bt_add_headset_to_list(BT_AUDIO_A2DP, BT_STATE_CONNECTED, addr);
 105
 106 #ifdef TIZEN_FEATURE_BT_AVC_TARGET
 107         /* Send the information to Absolute Volume Controller */
 108         _bt_audio_handle_a2dp_state_changed(addr, true);
 109 #endif
 110
 111         /* Delete waiting device data if present */
 112         wait_device = _bt_get_audio_wait_data();
 113         if (wait_device != NULL &&
 114                         (g_strcmp0(wait_device->address, addr) == 0))
 115                 _bt_rel_wait_data();
 116         else {
 117                 if (wait_device != NULL) {
 118                         BT_INFO("A2DP Profile connected for device [%s] but another device [%s]is waiting to be connnected type [%d]",
 119                                         addr, wait_device->address, wait_device->type);
 120                         BT_INFO("Trigger connect for the waiting device [%s], audio type [%d]",
 121                                         wait_device->address, wait_device->type);
 122                         _bt_convert_addr_string_to_type(wait_device_address.addr,
 123                                         wait_device->address);
 124                         _bt_audio_connect(wait_device->type, &wait_device_address);
 125                         /* Now free the wait list */
 126                         //_bt_rel_wait_data();
 127                 }
 128         }
 129
 130         /* DBUS Context return */
 131         req_info = _bt_get_request_info_data(BT_AV_CONNECT, addr);
 132         if (NULL == req_info) {
 133                 BT_INFO("AV Connect request not found or possibly already replied");
 134                 req_info = _bt_get_request_info_data(BT_AUDIO_CONNECT, addr);
 135
 136                 if (req_info == NULL) {
 137                         BT_INFO("AV Connect request & Audio All connect not found or possibly already replied");
 138                         return;
 139                 } else {
 140                         BT_INFO("Audio All connect request found for address [%s]", addr);
 141                         /* TODO Delete the search info if present */
 142                         data = _bt_get_pending_audio_conn_info(addr);
 143                         if (data) {
 144                                 BT_INFO("Audio Connect All request present and pending connect is also present, delete info");
 145                                 _bt_cleanup_audio_pending_conn_info_and_reply_pending_req(data, BLUETOOTH_ERROR_NONE);
 146                                 return;
 147                         } else {
 148                                 BT_ERR("Abnormal: Audio Connect All request present but pending connect absent");
 149                         }
 150                 }
 151         } else {
 152                 BT_INFO("AV Connect request found for [%s]", addr);
 153         }
 154
 155         out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
 156         g_array_append_vals(out_param, addr, BT_ADDRESS_STRING_SIZE);
 157         _bt_service_method_return(req_info->context,
 158                         out_param, result);
 159         g_array_free(out_param, TRUE);
 160         g_free(req_info->user_data);
 161         _bt_free_info_from_invocation_list(req_info);
 162         BT_INFO("-");
 163 }
 164
 165 static void __bt_handle_av_disconnected_state(bluetooth_device_address_t *address)
 166 {
 167         char addr[BT_ADDRESS_STRING_SIZE] = { 0 };
 168         int result = BLUETOOTH_ERROR_NONE;
 169         GArray *out_param;
 170         bt_headset_wait_t *wait_device;
 171         bluetooth_device_address_t device_address;
 172         bt_pending_audio_conn_t *data = NULL;
 173         GVariant *param;
 174         invocation_info_t *req_info = NULL;
 175         ret_if(NULL == address);
 176         BT_INFO("+");
 177
 178         _bt_convert_addr_type_to_string(addr, address->addr);
 179
 180         /* Set VCONF status for A2DP Disconnection */
 181         _bt_set_device_values(FALSE, VCONFKEY_BT_DEVICE_A2DP_HEADSET_CONNECTED);
 182
 183         /* Send A2DP(SRC Role) disconnected event to Application */
 184         param = g_variant_new("(is)", result, addr);
 185         _bt_send_event(BT_HEADSET_EVENT, BLUETOOTH_EVENT_AV_DISCONNECTED, param);
 186
 187         /* Remove data from the connected list */
 188         _bt_remove_headset_from_list(BT_AUDIO_A2DP, addr);
 189
 190 #ifdef TIZEN_FEATURE_BT_AVC_TARGET
 191         /* Send the information to Absolute Volume Controller */
 192         _bt_audio_handle_a2dp_state_changed(addr, false);
 193 #endif
 194
 195         req_info = _bt_get_request_info_data(BT_AV_DISCONNECT, addr);
 196         BT_INFO("Address  of disconnected device[%s]", addr);
 197
 198         if (NULL == req_info) {
 199                 BT_INFO("AV DisConnect request not found or possibly already replied");
 200                 req_info = _bt_get_request_info_data(BT_AV_CONNECT, addr);
 201                 if (NULL == req_info) {
 202                         /* This means, AV Disconnect request has successfully passed, and real disconnect is completed */
 203                         BT_INFO("Neither AV Connect or AV Disconnect request is found..means, AV Profile is disconnected");
 204
 205                         req_info = _bt_get_request_info_data(BT_AUDIO_CONNECT, addr);
 206                         if (req_info == NULL) {
 207                                 BT_INFO("Audio Connect All request is also Not found..");
 208
 209                                 req_info = _bt_get_request_info_data(BT_AUDIO_DISCONNECT, addr);
 210                                 if (req_info == NULL) {
 211                                         BT_INFO("Audio DisConnect All request is also Not found..");
 212                                 } else {
 213                                         BT_INFO("Audio DisConnect All request is found..");
 214                                         /* Check if HFP profile is also connected, if yes, disconnect it too */
 215                                         _bt_audio_check_pending_disconnection(addr, BT_AUDIO_HSP);
 216                                 }
 217                         } else {
 218                                 BT_INFO("Audio Connect All request is found..");
 219                                 result = BLUETOOTH_ERROR_INTERNAL;
 220                                 data = _bt_get_pending_audio_conn_info(addr);
 221                                 if (data) {
 222                                         BT_INFO("Pending connect is found, delete it..");
 223                                         _bt_cleanup_audio_pending_conn_info_and_reply_pending_req(data, result);
 224                                         req_info = NULL;
 225                                 } else {
 226                                         BT_INFO("Pending connect is Not found..");
 227                                 }
 228
 229                                 /* Delete waiting device data if present for this device */
 230                                 wait_device = _bt_get_audio_wait_data();
 231                                 if (wait_device && strncasecmp(wait_device->address, addr, BT_ADDRESS_STRING_SIZE) == 0) {
 232                                         _bt_rel_wait_data();
 233                                         goto dbus_return;
 234                                 }
 235                         }
 236                         goto check_wait_device;
 237                 } else {
 238                         BT_ERR("AV Connect request has failed.."); /* DBUS return needed */
 239                         result = BLUETOOTH_ERROR_INTERNAL;
 240                         /* Delete waiting device data if present for this device */
 241                         wait_device = _bt_get_audio_wait_data();
 242                         if (wait_device && strncasecmp(wait_device->address, addr, BT_ADDRESS_STRING_SIZE) == 0) {
 243                                 _bt_rel_wait_data();
 244                                 goto dbus_return;
 245                         }
 246
 247                         goto check_wait_device;
 248                 }
 249         } else {
 250                 BT_ERR("AV Disconnect request found for [%s], means disconnect request is successful", addr); /* DBUS return needed */
 251                 goto check_wait_device;
 252         }
 253 check_wait_device:
 254         wait_device = _bt_get_audio_wait_data();
 255
 256         if (wait_device == NULL)
 257                 goto dbus_return;
 258
 259         BT_INFO("type: %d, ag_flag: %d, disconnection_type: %d", wait_device->type,
 260                         wait_device->ag_flag, wait_device->disconnection_type);
 261         if (((wait_device->type == BT_AUDIO_ALL) &&
 262                                 (wait_device->ag_flag == TRUE)) ||
 263                         (wait_device->type == BT_AUDIO_A2DP) ||
 264                         (wait_device->disconnection_type & BT_AUDIO_A2DP)) {
 265                 if (g_strcmp0(wait_device->address, addr) != 0) {
 266                         BT_INFO("Trigger connect for the waiting device [%s], audio type [%d]",
 267                                         wait_device->address, wait_device->type);
 268                         _bt_convert_addr_string_to_type(device_address.addr,
 269                                         wait_device->address);
 270                         _bt_audio_connect(wait_device->type, &device_address);
 271                         /* Now free the wait list */
 272                         //_bt_rel_wait_data();
 273                 }
 274         }
 275
 276 dbus_return:
 277         if (req_info) {
 278                 out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
 279                 g_array_append_vals(out_param, addr, BT_ADDRESS_STRING_SIZE);
 280                 _bt_service_method_return(req_info->context,
 281                                 out_param, result);
 282                 g_array_free(out_param, TRUE);
 283                 g_free(req_info->user_data);
 284                 _bt_free_info_from_invocation_list(req_info);
 285         }
 286 }
 287
 288 static void __bt_handle_av_audio_stopped(bluetooth_device_address_t *address)
 289 {
 290         BT_INFO("Currently not handled..");
 291 }
 292
 293 static void __bt_handle_av_audio_started(bluetooth_device_address_t *address)
 294 {
 295         BT_INFO("Currently not handled..");
 296 }
 297
 298 void _bt_a2dp_source_event_handler(int oal_event, gpointer event_data)
 299 {
 300         BT_INFO("+");
 301         bluetooth_device_address_t * bd_addr = (bluetooth_device_address_t*)event_data;
 302
 303         switch (oal_event) {
 304         case OAL_EVENT_AUDIO_CONNECTING:
 305                 BT_INFO("A2DP Profile connecting..Ignore this event, wait for connected event");
 306                 break;
 307         case OAL_EVENT_AUDIO_DISCONNECTING:
 308                 BT_INFO("A2DP Profile Disconnecting..Ignore this event, wait for Disconnected event");
 309                 break;
 310         case OAL_EVENT_AUDIO_CONNECTED:
 311                 BT_INFO("A2DP Audio Profile connected..");
 312                 __bt_handle_av_connected_state(bd_addr);
 313                 BT_PERMANENT_LOG("Connected A2DP src");
 314                 break;
 315         case OAL_EVENT_AUDIO_DISCONNECTED:
 316                 BT_INFO("A2DP Audio Profile dissconnected..");
 317                 __bt_handle_av_disconnected_state(bd_addr);
 318                 BT_PERMANENT_LOG("Disconnected A2DP src");
 319                 break;
 320         case OAL_EVENT_AUDIO_STOPPED:
 321                 BT_INFO("A2DP Audio Stream stopped..");
 322                 __bt_handle_av_audio_stopped(bd_addr);
 323                 break;
 324         case OAL_EVENT_AUDIO_STARTED:
 325                 BT_INFO("A2DP Audio Stream started..");
 326                 __bt_handle_av_audio_started(bd_addr);
 327                 break;
 328         default:
 329                 BT_INFO("Invalid Event = %d", oal_event);
 330                 break;
 331         }
 332         BT_INFO("-");
 333 }
 334
 335 void _bt_a2dp_src_handle_incoming_authorization(char *address, int service_id)
 336 {
 337         char connected_address[BT_ADDRESS_STRING_SIZE + 1];
 338         gboolean connected;
 339         bluetooth_device_address_t device_address;
 340         oal_status_t res = OAL_STATUS_SUCCESS;
 341         BT_INFO("+");
 342
 343         _bt_convert_addr_string_to_type(device_address.addr, address);
 344
 345         switch (service_id) {
 346         case A2DP_SERVICE_ID:
 347                 connected = _bt_is_headset_type_connected(BT_AUDIO_A2DP, connected_address);
 348                 if (connected) {
 349                         BT_INFO("A2DP is already connected..check which device..");
 350                         if (g_strcmp0(connected_address, address) != 0) {
 351                                 BT_INFO("Different device is connected[%s] reject current [%s] device authorization request",
 352                                                 connected_address, address);
 353                                 res = device_reply_auth_request((bt_address_t*)&device_address, service_id, FALSE, FALSE);
 354                                 if (res != OAL_STATUS_SUCCESS)
 355                                         BT_ERR("authorize_response: %d", res);
 356                                 return;
 357                         }
 358                 } else {
 359                         res = device_reply_auth_request((bt_address_t*)&device_address, service_id, TRUE, FALSE);
 360                         if (res != OAL_STATUS_SUCCESS)
 361                                 BT_ERR("authorize_response: %d", res);
 362                 }
 363                 break;
 364         default:
 365                 BT_ERR("Invalid Audio Service ID..");
 366         }
 367
 368         BT_INFO("-");
 369 }