bt-oal/bluez_hal/src/bt-hal-av-dbus-handler.c

   1 /*
   2  * BLUETOOTH HAL
   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 <stdio.h>
  23 #include <stdlib.h>
  24 #include <stdbool.h>
  25 #include <string.h>
  26
  27 #include <glib.h>
  28 #include <gio/gio.h>
  29 #include <dlog.h>
  30 #include <vconf.h>
  31
  32 #include "bt-hal-av-dbus-handler.h"
  33 #include "bt-hal-dbus-common-utils.h"
  34 #include "bt-hal-internal.h"
  35
  36
  37 static handle_stack_msg event_cb = NULL;
  38
  39 /* To send stack event to hal-av handler */
  40 void _bt_hal_register_av_dbus_handler_cb(handle_stack_msg cb)
  41 {
  42         event_cb = cb;
  43 }
  44
  45 /* To send stack event to hal-av handler */
  46 void _bt_hal_unregister_av_dbus_handler_cb()
  47 {
  48         event_cb = NULL;
  49 }
  50
  51 static void __bt_av_connect_cb(GDBusProxy *proxy, GAsyncResult *res,
  52                 gpointer user_data)
  53 {
  54         GError *g_error = NULL;
  55         struct hal_ev_a2dp_conn_state ev;
  56         GVariant *reply = NULL;
  57         char *address = user_data;
  58         int result = BT_STATUS_SUCCESS;
  59
  60         DBG("+");
  61
  62         reply = g_dbus_proxy_call_finish(proxy, res, &g_error);
  63         g_object_unref(proxy);
  64         if (reply == NULL) {
  65                 ERR("A2DP Connect Dbus Call Error");
  66                 if (g_error) {
  67                         ERR("Error: %s\n", g_error->message);
  68                         g_clear_error(&g_error);
  69                 }
  70                 result = BT_STATUS_FAIL;
  71         }
  72         g_variant_unref(reply);
  73
  74         DBG("Address: %s", address);
  75         /*
  76          * If result is success, AV Connecting event will be triggered
  77          * from here.
  78          */
  79         if (result == BT_STATUS_SUCCESS) {
  80                 /* Prepare to send AV connecting event */
  81                 memset(&ev, 0, sizeof(ev));
  82                 ev.state = HAL_EV_A2DP_STATE_CONNECTING;
  83                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
  84                 if (!event_cb)
  85                         ERR("A2DP dbus handler callback not registered");
  86                 else
  87                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
  88         } else {
  89                 /* Prepare to send AV disconnected event */
  90                 memset(&ev, 0, sizeof(ev));
  91                 ev.state = HAL_EV_A2DP_STATE_DISCONNECTED;
  92                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
  93                 if (!event_cb)
  94                         ERR("HF DBUS handler callback not registered");
  95                 else
  96                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
  97         }
  98
  99         g_free(address);
 100 }
 101
 102 bt_status_t _bt_hal_dbus_handler_av_connect(bt_bdaddr_t *bd_addr)
 103 {
 104         char *address;
 105         GDBusConnection *conn;
 106         int ret;
 107
 108         if (!bd_addr) {
 109                 ERR("bd_addr is NULL, return");
 110                 return BT_STATUS_PARM_INVALID;
 111         }
 112
 113         conn = _bt_hal_get_system_gconn();
 114         if (!conn) {
 115                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 116                 return BT_STATUS_FAIL;
 117         }
 118
 119         address = g_malloc0(BT_HAL_ADDRESS_STRING_SIZE * sizeof(char));
 120         if (!address) {
 121                 ERR("Memory allocation failed");
 122                 return BT_STATUS_NOMEM;
 123         }
 124         _bt_hal_convert_addr_type_to_string(address, bd_addr->address);
 125
 126         ret = _bt_hal_connect_profile(address, A2DP_SINK_UUID,
 127                         __bt_av_connect_cb, address);
 128
 129         if (ret != BT_HAL_ERROR_NONE) {
 130                 ERR("_bt_hal_connect_profile(A2DP) Error");
 131                 return BT_STATUS_FAIL;
 132         }
 133         return BT_STATUS_SUCCESS;
 134 }
 135
 136 static void __bt_av_disconnect_cb(GDBusProxy *proxy, GAsyncResult *res,
 137                 gpointer user_data)
 138 {
 139         GError *g_error = NULL;
 140         struct hal_ev_a2dp_conn_state ev;
 141         GVariant *reply = NULL;
 142         char *address = user_data;
 143         int result = BT_STATUS_SUCCESS;
 144
 145         DBG("+");
 146
 147         reply = g_dbus_proxy_call_finish(proxy, res, &g_error);
 148         g_object_unref(proxy);
 149         if (reply == NULL) {
 150                 ERR("A2DP Disconnect Dbus Call Error");
 151                 if (g_error) {
 152                         ERR("Error: %s\n", g_error->message);
 153                         g_clear_error(&g_error);
 154                 }
 155                 result = BT_STATUS_FAIL;
 156         }
 157         g_variant_unref(reply);
 158
 159         if (result != BT_STATUS_FAIL)
 160                 DBG("A2DP Disconnect successful for Device: %s", address);
 161         else
 162                 DBG("A2DP Disconnect un-successful for Device: %s", address);
 163
 164         if (result == BT_STATUS_FAIL) {
 165                 /* Prepare to send AV Disconnected event */
 166                 memset(&ev, 0, sizeof(ev));
 167                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 168                 ev.state = HAL_EV_A2DP_STATE_DISCONNECTED;
 169                 if (!event_cb)
 170                         ERR("HF DBUS handler callback not registered");
 171                 else
 172                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
 173         } else {
 174                 /* Prepare to send AV Disconnecting event */
 175                 memset(&ev, 0, sizeof(ev));
 176                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 177                 ev.state = HAL_EV_A2DP_STATE_DISCONNECTING;
 178                 if (!event_cb)
 179                         ERR("HF DBUS handler callback not registered");
 180                 else
 181                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
 182         }
 183         g_free(address);
 184         DBG("-");
 185 }
 186
 187 bt_status_t _bt_hal_dbus_handler_av_disconnect(bt_bdaddr_t *bd_addr)
 188 {
 189         char *address;
 190         GDBusConnection *conn;
 191         int ret;
 192
 193         if (!bd_addr) {
 194                 ERR("bd_addr is NULL, return");
 195                 return BT_STATUS_PARM_INVALID;
 196         }
 197
 198         conn = _bt_hal_get_system_gconn();
 199         if (!conn) {
 200                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 201                 return BT_STATUS_FAIL;
 202         }
 203
 204         address = g_malloc0(BT_HAL_ADDRESS_STRING_SIZE * sizeof(char));
 205         if (!address) {
 206                 ERR("Memory allocation failed");
 207                 return BT_STATUS_NOMEM;
 208         }
 209         _bt_hal_convert_addr_type_to_string(address, bd_addr->address);
 210
 211         ret = _bt_hal_disconnect_profile(address, A2DP_SINK_UUID,
 212                         __bt_av_disconnect_cb, address);
 213
 214         if (ret != BT_HAL_ERROR_NONE) {
 215                 ERR("_bt_hal_connect_profile(AV) Error");
 216                 return BT_STATUS_FAIL;
 217         }
 218
 219         return BT_STATUS_SUCCESS;
 220 }
 221
 222 bt_status_t _bt_hal_dbus_handler_enable_a2dp_source(void)
 223 {
 224         GDBusProxy *proxy;
 225         GVariant *ret;
 226         GError *error = NULL;
 227         gchar *adapter_path;
 228         GDBusConnection *gconn;
 229
 230         DBG("+");
 231
 232         if (_bt_hal_is_service_enabled(A2DP_SOURCE_UUID)) {
 233                 ERR("Audio sink role already enabled, return");
 234                 return BT_STATUS_SUCCESS;
 235         }
 236
 237         gconn = _bt_hal_get_system_gconn();
 238         if (!gconn) {
 239                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 240                 return BT_STATUS_FAIL;
 241         }
 242
 243         adapter_path = _bt_hal_get_adapter_path();
 244         if (!adapter_path) {
 245                 ERR("adapter_path is NULL");
 246                 return BT_STATUS_FAIL;
 247         }
 248
 249         proxy = g_dbus_proxy_new_sync(gconn, G_DBUS_PROXY_FLAGS_NONE, NULL,
 250                         BT_HAL_BLUEZ_NAME, adapter_path, BT_HAL_MEDIA_INTERFACE, NULL, &error);
 251         g_free(adapter_path);
 252         if (proxy == NULL) {
 253                 ERR("Unable to create proxy");
 254
 255                 if (error) {
 256                         ERR("Error: %s", error->message);
 257                         g_clear_error(&error);
 258                 }
 259                 return BT_STATUS_FAIL;
 260         }
 261
 262         ret = g_dbus_proxy_call_sync(proxy, "SelectRole", g_variant_new("(s)", "source"),
 263                         G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 264         g_object_unref(proxy);
 265         if (ret == NULL) {
 266                 ERR("Call SelectRole Failed");
 267                 if (error) {
 268                         ERR("errCode[%x], message[%s]", error->code, error->message);
 269                         g_clear_error(&error);
 270                 }
 271                 return BT_STATUS_FAIL;
 272         }
 273
 274         g_variant_unref(ret);
 275         DBG("-");
 276         return BT_STATUS_SUCCESS;
 277 }