resource/csdk/connectivity/src/bt_edr_adapter/tizen/caedrnwmonitor.c

   1 /******************************************************************
   2  *
   3  * Copyright 2014 Samsung Electronics All Rights Reserved.
   4  *
   5  *
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  ******************************************************************/
  20
  21 /**
  22  * @file
  23  *
  24  * This file provides the APIs for EDR Network Monitor.
  25  */
  26
  27 #include <glib.h>
  28 #include <string.h>
  29 #include <bluetooth.h>
  30
  31 #include "caedrinterface.h"
  32 #include "caedrdevicelist.h"
  33 #include "caedrutils.h"
  34 #include "caadapterutils.h"
  35 #include "caqueueingthread.h"
  36 #include "caremotehandler.h"
  37
  38 static GMainLoop *g_mainloop = NULL;
  39 static ca_thread_pool_t g_threadPoolHandle = NULL;
  40
  41 /**
  42  * @var g_edrNetworkChangeCallback
  43  * @brief Maintains the callback to be notified on local bluetooth adapter status change.
  44  */
  45 static CAEDRNetworkStatusCallback g_edrNetworkChangeCallback = NULL;
  46
  47 /**
  48  * @fn CAEDRAdapterStateChangeCallback
  49  * @brief This callback is registered to receive bluetooth adapter state changes.
  50  */
  51 static void CAEDRAdapterStateChangeCallback(int result, bt_adapter_state_e adapterState,
  52                                             void *userData);
  53
  54 void GMainLoopThread (void *param)
  55 {
  56     g_main_loop_run(g_mainloop);
  57 }
  58
  59 CAResult_t CAEDRInitializeNetworkMonitor(const ca_thread_pool_t threadPool)
  60 {
  61     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
  62     g_threadPoolHandle = threadPool;
  63     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
  64     return CA_STATUS_OK;
  65 }
  66
  67 void CAEDRTerminateNetworkMonitor(void)
  68 {
  69     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
  70
  71     g_edrNetworkChangeCallback = NULL;
  72
  73     // Terminate Bluetooth service
  74     bt_deinitialize();
  75
  76     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
  77 }
  78
  79 CAResult_t CAEDRStartNetworkMonitor()
  80 {
  81     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
  82
  83     g_mainloop = g_main_loop_new(NULL, 0);
  84     if(!g_mainloop)
  85     {
  86         OIC_LOG(ERROR, EDR_ADAPTER_TAG, "g_main_loop_new failed\n");
  87         return CA_STATUS_FAILED;
  88     }
  89
  90     if (CA_STATUS_OK != ca_thread_pool_add_task(g_threadPoolHandle, GMainLoopThread, (void *) NULL))
  91     {
  92         OIC_LOG(ERROR, EDR_ADAPTER_TAG, "Failed to create thread!");
  93         return CA_STATUS_FAILED;
  94     }
  95
  96     // Initialize Bluetooth service
  97     int err = bt_initialize();
  98     if (BT_ERROR_NONE != err)
  99     {
 100         OIC_LOG_V(ERROR, EDR_ADAPTER_TAG, "Bluetooth initialization failed!, error num [%x]",
 101                   err);
 102         return CA_STATUS_FAILED;
 103     }
 104
 105     int ret = bt_adapter_set_state_changed_cb(CAEDRAdapterStateChangeCallback, NULL);
 106     if(BT_ERROR_NONE != ret)
 107     {
 108        OIC_LOG(ERROR, EDR_ADAPTER_TAG, "bt_adapter_set_state_changed_cb failed");
 109        return CA_STATUS_FAILED;
 110     }
 111
 112     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
 113     return CA_STATUS_OK;
 114 }
 115
 116 CAResult_t CAEDRStopNetworkMonitor()
 117 {
 118     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
 119     // Unset bluetooth adapter callbacks
 120     int ret = bt_adapter_unset_state_changed_cb();
 121     if(BT_ERROR_NONE != ret)
 122     {
 123         OIC_LOG(ERROR, EDR_ADAPTER_TAG, "bt_adapter_set_state_changed_cb failed");
 124         return CA_STATUS_FAILED;
 125     }
 126
 127     if (g_mainloop)
 128         g_main_loop_unref(g_mainloop);
 129
 130     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
 131     return CA_STATUS_OK;
 132 }
 133
 134 void CAEDRSetNetworkChangeCallback(
 135     CAEDRNetworkStatusCallback networkChangeCallback)
 136 {
 137     g_edrNetworkChangeCallback = networkChangeCallback;
 138 }
 139
 140 CAResult_t CAEDRGetInterfaceInformation(CAEndpoint_t **info)
 141 {
 142     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
 143
 144     // Input validation
 145     VERIFY_NON_NULL(info, EDR_ADAPTER_TAG, "LocalConnectivity info is null");
 146
 147     // Get the bluetooth adapter local address
 148     char *localAddress = NULL;
 149     int err = bt_adapter_get_address(&localAddress);
 150     if (BT_ERROR_NONE != err)
 151     {
 152         OIC_LOG_V(ERROR, EDR_ADAPTER_TAG,
 153                   "Getting local adapter address failed!, error num [%x]",
 154                   err);
 155         return CA_STATUS_FAILED;
 156     }
 157
 158     // Create network info
 159     *info = CACreateEndpointObject(CA_DEFAULT_FLAGS, CA_ADAPTER_RFCOMM_BTEDR, localAddress, 0);
 160     if (NULL == *info)
 161     {
 162         OIC_LOG(ERROR, EDR_ADAPTER_TAG, "Failed to create LocalConnectivity instance!");
 163
 164         OICFree(localAddress);
 165         return CA_MEMORY_ALLOC_FAILED;
 166     }
 167
 168     OICFree(localAddress);
 169
 170     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
 171     return CA_STATUS_OK;
 172 }
 173
 174 CAResult_t CAEDRGetAdapterEnableState(bool *state)
 175 {
 176     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
 177
 178     // Input validation
 179     VERIFY_NON_NULL(state, EDR_ADAPTER_TAG, "state holder is NULL!");
 180
 181
 182     bt_adapter_state_e adapterState;
 183     int err = bt_adapter_get_state(&adapterState);
 184     // Get Bluetooth adapter state
 185     if (BT_ERROR_NONE != err)
 186     {
 187         OIC_LOG_V(ERROR, EDR_ADAPTER_TAG, "Bluetooth get state failed!, error num [%x]",
 188                   err);
 189
 190         return CA_STATUS_FAILED;
 191     }
 192
 193     *state = false;
 194     if (BT_ADAPTER_ENABLED == adapterState)
 195     {
 196         *state = true;
 197     }
 198
 199     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
 200     return CA_STATUS_OK;
 201 }
 202
 203 void CAEDRAdapterStateChangeCallback(int result, bt_adapter_state_e adapterState,
 204                                      void *userData)
 205 {
 206     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "IN");
 207
 208     if (BT_ADAPTER_ENABLED == adapterState)
 209     {
 210         // Notity to upper layer
 211         if (g_edrNetworkChangeCallback)
 212         {
 213             g_edrNetworkChangeCallback(CA_INTERFACE_UP);
 214         }
 215     }
 216     else if (BT_ADAPTER_DISABLED == adapterState)
 217     {
 218         // Notity to upper layer
 219         if (g_edrNetworkChangeCallback)
 220         {
 221             g_edrNetworkChangeCallback(CA_INTERFACE_DOWN);
 222         }
 223     }
 224
 225     OIC_LOG(DEBUG, EDR_ADAPTER_TAG, "OUT");
 226 }