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                 g_free(address);
 132                 return BT_STATUS_FAIL;
 133         }
 134         return BT_STATUS_SUCCESS;
 135 }
 136
 137 static void __bt_av_disconnect_cb(GDBusProxy *proxy, GAsyncResult *res,
 138                 gpointer user_data)
 139 {
 140         GError *g_error = NULL;
 141         struct hal_ev_a2dp_conn_state ev;
 142         GVariant *reply = NULL;
 143         char *address = user_data;
 144         int result = BT_STATUS_SUCCESS;
 145
 146         DBG("+");
 147
 148         reply = g_dbus_proxy_call_finish(proxy, res, &g_error);
 149         g_object_unref(proxy);
 150         if (reply == NULL) {
 151                 ERR("A2DP Disconnect Dbus Call Error");
 152                 if (g_error) {
 153                         ERR("Error: %s\n", g_error->message);
 154                         g_clear_error(&g_error);
 155                 }
 156                 result = BT_STATUS_FAIL;
 157         }
 158         g_variant_unref(reply);
 159
 160         if (result != BT_STATUS_FAIL)
 161                 DBG("A2DP Disconnect successful for Device: %s", address);
 162         else
 163                 DBG("A2DP Disconnect un-successful for Device: %s", address);
 164
 165         if (result == BT_STATUS_FAIL) {
 166                 /* Prepare to send AV Disconnected event */
 167                 memset(&ev, 0, sizeof(ev));
 168                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 169                 ev.state = HAL_EV_A2DP_STATE_DISCONNECTED;
 170                 if (!event_cb)
 171                         ERR("HF DBUS handler callback not registered");
 172                 else
 173                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
 174         } else {
 175                 /* Prepare to send AV Disconnecting event */
 176                 memset(&ev, 0, sizeof(ev));
 177                 _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 178                 ev.state = HAL_EV_A2DP_STATE_DISCONNECTING;
 179                 if (!event_cb)
 180                         ERR("HF DBUS handler callback not registered");
 181                 else
 182                         event_cb(HAL_EV_A2DP_CONN_STATE, (void *)&ev, sizeof(ev));
 183         }
 184         g_free(address);
 185         DBG("-");
 186 }
 187
 188 bt_status_t _bt_hal_dbus_handler_av_disconnect(bt_bdaddr_t *bd_addr)
 189 {
 190         char *address;
 191         GDBusConnection *conn;
 192         int ret;
 193
 194         if (!bd_addr) {
 195                 ERR("bd_addr is NULL, return");
 196                 return BT_STATUS_PARM_INVALID;
 197         }
 198
 199         conn = _bt_hal_get_system_gconn();
 200         if (!conn) {
 201                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 202                 return BT_STATUS_FAIL;
 203         }
 204
 205         address = g_malloc0(BT_HAL_ADDRESS_STRING_SIZE * sizeof(char));
 206         if (!address) {
 207                 ERR("Memory allocation failed");
 208                 return BT_STATUS_NOMEM;
 209         }
 210         _bt_hal_convert_addr_type_to_string(address, bd_addr->address);
 211
 212         ret = _bt_hal_disconnect_profile(address, A2DP_SINK_UUID,
 213                         __bt_av_disconnect_cb, address);
 214
 215         if (ret != BT_HAL_ERROR_NONE) {
 216                 ERR("_bt_hal_connect_profile(AV) Error");
 217                 return BT_STATUS_FAIL;
 218         }
 219
 220         return BT_STATUS_SUCCESS;
 221 }
 222
 223 bt_status_t _bt_hal_dbus_handler_enable_a2dp_source(void)
 224 {
 225         GDBusProxy *proxy;
 226         GVariant *ret;
 227         GError *error = NULL;
 228         gchar *adapter_path;
 229         GDBusConnection *gconn;
 230
 231         DBG("+");
 232
 233         if (_bt_hal_is_service_enabled(A2DP_SOURCE_UUID)) {
 234                 ERR("Audio sink role already enabled, return");
 235                 return BT_STATUS_SUCCESS;
 236         }
 237
 238         gconn = _bt_hal_get_system_gconn();
 239         if (!gconn) {
 240                 ERR("_bt_hal_get_system_gconn returned NULL, return");
 241                 return BT_STATUS_FAIL;
 242         }
 243
 244         adapter_path = _bt_hal_get_adapter_path();
 245         if (!adapter_path) {
 246                 ERR("adapter_path is NULL");
 247                 return BT_STATUS_FAIL;
 248         }
 249
 250         proxy = g_dbus_proxy_new_sync(gconn, G_DBUS_PROXY_FLAGS_NONE, NULL,
 251                         BT_HAL_BLUEZ_NAME, adapter_path, BT_HAL_MEDIA_INTERFACE, NULL, &error);
 252         g_free(adapter_path);
 253         if (proxy == NULL) {
 254                 ERR("Unable to create proxy");
 255
 256                 if (error) {
 257                         ERR("Error: %s", error->message);
 258                         g_clear_error(&error);
 259                 }
 260                 return BT_STATUS_FAIL;
 261         }
 262
 263         ret = g_dbus_proxy_call_sync(proxy, "SelectRole", g_variant_new("(s)", "source"),
 264                         G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
 265         g_object_unref(proxy);
 266         if (ret == NULL) {
 267                 ERR("Call SelectRole Failed");
 268                 if (error) {
 269                         ERR("errCode[%x], message[%s]", error->code, error->message);
 270                         g_clear_error(&error);
 271                 }
 272                 return BT_STATUS_FAIL;
 273         }
 274
 275         g_variant_unref(ret);
 276         DBG("-");
 277         return BT_STATUS_SUCCESS;
 278 }