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         /* Delete waiting device data if present */
 107         wait_device = _bt_get_audio_wait_data();
 108         if (wait_device != NULL &&
 109                         (g_strcmp0(wait_device->address, addr) == 0))
 110                 _bt_rel_wait_data();
 111         else {
 112                 if (wait_device != NULL) {
 113                         BT_INFO("A2DP Profile connected for device [%s] but another device [%s]is waiting to be connnected type [%d]",
 114                                         addr, wait_device->address, wait_device->type);
 115                         BT_INFO("Trigger connect for the waiting device [%s], audio type [%d]",
 116                                         wait_device->address, wait_device->type);
 117                         _bt_convert_addr_string_to_type(wait_device_address.addr,
 118                                         wait_device->address);
 119                         _bt_audio_connect(wait_device->type, &wait_device_address);
 120                         /* Now free the wait list */
 121                         //_bt_rel_wait_data();
 122                 }
 123         }
 124
 125         /* DBUS Context return */
 126         req_info = _bt_get_request_info_data(BT_AV_CONNECT, addr);
 127         if (NULL == req_info) {
 128                 BT_INFO("AV Connect request not found or possibly already replied");
 129                 req_info = _bt_get_request_info_data(BT_AUDIO_CONNECT, addr);
 130
 131                 if (req_info == NULL) {
 132                         BT_INFO("AV Connect request & Audio All connect not found or possibly already replied");
 133                         return;
 134                 } else {
 135                         BT_INFO("Audio All connect request found for address [%s]", addr);
 136                         /* TODO Delete the search info if present */
 137                         data = _bt_get_pending_audio_conn_info(addr);
 138                         if (data) {
 139                                 BT_INFO("Audio Connect All request present and pending connect is also present, delete info");
 140                                 _bt_cleanup_audio_pending_conn_info_and_reply_pending_req(data, BLUETOOTH_ERROR_NONE);
 141                                 return;
 142                         } else {
 143                                 BT_ERR("Abnormal: Audio Connect All request present but pending connect absent");
 144                         }
 145                 }
 146         } else {
 147                 BT_INFO("AV Connect request found for [%s]", addr);
 148         }
 149
 150         out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
 151         g_array_append_vals(out_param, addr, BT_ADDRESS_STRING_SIZE);
 152         _bt_service_method_return(req_info->context,
 153                         out_param, result);
 154         g_array_free(out_param, TRUE);
 155         g_free(req_info->user_data);
 156         _bt_free_info_from_invocation_list(req_info);
 157         BT_INFO("-");
 158 }
 159
 160 static void __bt_handle_av_disconnected_state(bluetooth_device_address_t *address)
 161 {
 162         char addr[BT_ADDRESS_STRING_SIZE] = { 0 };
 163         int result = BLUETOOTH_ERROR_NONE;
 164         GArray *out_param;
 165         bt_headset_wait_t *wait_device;
 166         bluetooth_device_address_t device_address;
 167         bt_pending_audio_conn_t *data = NULL;
 168         GVariant *param;
 169         invocation_info_t *req_info = NULL;
 170         ret_if(NULL == address);
 171         BT_INFO("+");
 172
 173         _bt_convert_addr_type_to_string(addr, address->addr);
 174
 175         /* Set VCONF status for A2DP Disconnection */
 176         _bt_set_device_values(FALSE, VCONFKEY_BT_DEVICE_A2DP_HEADSET_CONNECTED);
 177
 178         /* Send A2DP(SRC Role) disconnected event to Application */
 179         param = g_variant_new("(is)", result, addr);
 180         _bt_send_event(BT_HEADSET_EVENT, BLUETOOTH_EVENT_AV_DISCONNECTED, param);
 181
 182         /* Remove data from the connected list */
 183         _bt_remove_headset_from_list(BT_AUDIO_A2DP, addr);
 184
 185         req_info = _bt_get_request_info_data(BT_AV_DISCONNECT, addr);
 186         BT_INFO("Address  of disconnected device[%s]", addr);
 187
 188         if (NULL == req_info) {
 189                 BT_INFO("AV DisConnect request not found or possibly already replied");
 190                 req_info = _bt_get_request_info_data(BT_AV_CONNECT, addr);
 191                 if (NULL == req_info) {
 192                         /* This means, AV Disconnect request has successfully passed, and real disconnect is completed */
 193                         BT_INFO("Neither AV Connect or AV Disconnect request is found..means, AV Profile is disconnected");
 194
 195                         req_info = _bt_get_request_info_data(BT_AUDIO_CONNECT, addr);
 196                         if (req_info == NULL) {
 197                                 BT_INFO("Audio Connect All request is also Not found..");
 198
 199                                 req_info = _bt_get_request_info_data(BT_AUDIO_DISCONNECT, addr);
 200                                 if (req_info == NULL) {
 201                                         BT_INFO("Audio DisConnect All request is also Not found..");
 202                                 } else {
 203                                         BT_INFO("Audio DisConnect All request is found..");
 204                                         /* Check if HFP profile is also connected, if yes, disconnect it too */
 205                                         _bt_audio_check_pending_disconnection(addr, BT_AUDIO_HSP);
 206                                 }
 207                         } else {
 208                                 BT_INFO("Audio Connect All request is found..");
 209                                 result = BLUETOOTH_ERROR_INTERNAL;
 210                                 data = _bt_get_pending_audio_conn_info(addr);
 211                                 if (data) {
 212                                         BT_INFO("Pending connect is found, delete it..");
 213                                         _bt_cleanup_audio_pending_conn_info_and_reply_pending_req(data, result);
 214                                         req_info = NULL;
 215                                 } else {
 216                                         BT_INFO("Pending connect is Not found..");
 217                                 }
 218
 219                                 /* Delete waiting device data if present for this device */
 220                                 wait_device = _bt_get_audio_wait_data();
 221                                 if (wait_device && strncasecmp(wait_device->address, addr, BT_ADDRESS_STRING_SIZE) == 0) {
 222                                         _bt_rel_wait_data();
 223                                         goto dbus_return;
 224                                 }
 225                         }
 226                         goto check_wait_device;
 227                 } else {
 228                         BT_ERR("AV Connect request has failed.."); /* DBUS return needed */
 229                         result = BLUETOOTH_ERROR_INTERNAL;
 230                         /* Delete waiting device data if present for this device */
 231                         wait_device = _bt_get_audio_wait_data();
 232                         if (wait_device && strncasecmp(wait_device->address, addr, BT_ADDRESS_STRING_SIZE) == 0) {
 233                                 _bt_rel_wait_data();
 234                                 goto dbus_return;
 235                         }
 236
 237                         goto check_wait_device;
 238                 }
 239         } else {
 240                 BT_ERR("AV Disconnect request found for [%s], means disconnect request is successful", addr); /* DBUS return needed */
 241                 goto check_wait_device;
 242         }
 243 check_wait_device:
 244         wait_device = _bt_get_audio_wait_data();
 245
 246         if (wait_device == NULL)
 247                 goto dbus_return;
 248
 249         BT_INFO("type: %d, ag_flag: %d, disconnection_type: %d", wait_device->type,
 250                         wait_device->ag_flag, wait_device->disconnection_type);
 251         if (((wait_device->type == BT_AUDIO_ALL) &&
 252                                 (wait_device->ag_flag == TRUE)) ||
 253                         (wait_device->type == BT_AUDIO_A2DP) ||
 254                         (wait_device->disconnection_type & BT_AUDIO_A2DP)) {
 255                 if (g_strcmp0(wait_device->address, addr) != 0) {
 256                         BT_INFO("Trigger connect for the waiting device [%s], audio type [%d]",
 257                                         wait_device->address, wait_device->type);
 258                         _bt_convert_addr_string_to_type(device_address.addr,
 259                                         wait_device->address);
 260                         _bt_audio_connect(wait_device->type, &device_address);
 261                         /* Now free the wait list */
 262                         //_bt_rel_wait_data();
 263                 }
 264         }
 265
 266 dbus_return:
 267         if (req_info) {
 268                 out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
 269                 g_array_append_vals(out_param, addr, BT_ADDRESS_STRING_SIZE);
 270                 _bt_service_method_return(req_info->context,
 271                                 out_param, result);
 272                 g_array_free(out_param, TRUE);
 273                 g_free(req_info->user_data);
 274                 _bt_free_info_from_invocation_list(req_info);
 275         }
 276 }
 277
 278 static void __bt_handle_av_audio_stopped(bluetooth_device_address_t *address)
 279 {
 280         BT_INFO("Currently not handled..");
 281 }
 282
 283 static void __bt_handle_av_audio_started(bluetooth_device_address_t *address)
 284 {
 285         BT_INFO("Currently not handled..");
 286 }
 287
 288 void _bt_a2dp_source_event_handler(int oal_event, gpointer event_data)
 289 {
 290         BT_INFO("+");
 291         bluetooth_device_address_t * bd_addr = (bluetooth_device_address_t*)event_data;
 292
 293         switch (oal_event) {
 294         case OAL_EVENT_AUDIO_CONNECTING:
 295                 BT_INFO("A2DP Profile connecting..Ignore this event, wait for connected event");
 296                 break;
 297         case OAL_EVENT_AUDIO_DISCONNECTING:
 298                 BT_INFO("A2DP Profile Disconnecting..Ignore this event, wait for Disconnected event");
 299                 break;
 300         case OAL_EVENT_AUDIO_CONNECTED:
 301                 BT_INFO("A2DP Audio Profile connected..");
 302                 __bt_handle_av_connected_state(bd_addr);
 303                 BT_PERMANENT_LOG("Connected A2DP src");
 304                 break;
 305         case OAL_EVENT_AUDIO_DISCONNECTED:
 306                 BT_INFO("A2DP Audio Profile dissconnected..");
 307                 __bt_handle_av_disconnected_state(bd_addr);
 308                 BT_PERMANENT_LOG("Disconnected A2DP src");
 309                 break;
 310         case OAL_EVENT_AUDIO_STOPPED:
 311                 BT_INFO("A2DP Audio Stream stopped..");
 312                 __bt_handle_av_audio_stopped(bd_addr);
 313                 break;
 314         case OAL_EVENT_AUDIO_STARTED:
 315                 BT_INFO("A2DP Audio Stream started..");
 316                 __bt_handle_av_audio_started(bd_addr);
 317                 break;
 318         default:
 319                 BT_INFO("Invalid Event = %d", oal_event);
 320                 break;
 321         }
 322         BT_INFO("-");
 323 }
 324
 325 void _bt_a2dp_src_handle_incoming_authorization(char *address, int service_id)
 326 {
 327         char connected_address[BT_ADDRESS_STRING_SIZE + 1];
 328         gboolean connected;
 329         bluetooth_device_address_t device_address;
 330         oal_status_t res = OAL_STATUS_SUCCESS;
 331         BT_INFO("+");
 332
 333         _bt_convert_addr_string_to_type(device_address.addr, address);
 334
 335         switch (service_id) {
 336         case A2DP_SERVICE_ID:
 337                 connected = _bt_is_headset_type_connected(BT_AUDIO_A2DP, connected_address);
 338                 if (connected) {
 339                         BT_INFO("A2DP is already connected..check which device..");
 340                         if (g_strcmp0(connected_address, address) != 0) {
 341                                 BT_INFO("Different device is connected[%s] reject current [%s] device authorization request",
 342                                                 connected_address, address);
 343                                 res = device_reply_auth_request((bt_address_t*)&device_address, service_id, FALSE, FALSE);
 344                                 if (res != OAL_STATUS_SUCCESS)
 345                                         BT_ERR("authorize_response: %d", res);
 346                                 return;
 347                         }
 348                 } else {
 349                         res = device_reply_auth_request((bt_address_t*)&device_address, service_id, TRUE, FALSE);
 350                         if (res != OAL_STATUS_SUCCESS)
 351                                 BT_ERR("authorize_response: %d", res);
 352                 }
 353                 break;
 354         default:
 355                 BT_ERR("Invalid Audio Service ID..");
 356         }
 357
 358         BT_INFO("-");
 359 }