Remove unnecessary connection getting functions
[platform/core/connectivity/bluetooth-frwk.git] / bt-api / bt-audio.c
index e1b2130..d569f87 100644 (file)
@@ -1,13 +1,11 @@
 /*
- * bluetooth-frwk
- *
- * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *              http://www.apache.org/licenses/LICENSE-2.0
+ *             http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -17,6 +15,8 @@
  *
  */
 
+#include <stdio.h>
+
 #include "bluetooth-api.h"
 #include "bluetooth-audio-api.h"
 #include "bt-internal-types.h"
 #include "bt-common.h"
 #include "bt-request-sender.h"
 #include "bt-event-handler.h"
+#ifdef TIZEN_FEATURE_BT_DPM
+#include "bt-dpm.h"
+#endif
 
 BT_EXPORT_API int bluetooth_audio_init(bt_audio_func_ptr cb, void *user_data)
 {
        int ret;
 
+       if (cb == NULL) {
+               BT_ERR("callback is NULL");
+               return BLUETOOTH_ERROR_INVALID_PARAM;
+       }
        ret = _bt_init_event_handler();
 
        if (ret != BLUETOOTH_ERROR_NONE &&
@@ -40,7 +47,19 @@ BT_EXPORT_API int bluetooth_audio_init(bt_audio_func_ptr cb, void *user_data)
        _bt_set_user_data(BT_AUDIO, (void *)cb, user_data);
 
        /* Register All events */
-       _bt_register_event(BT_HEADSET_EVENT , (void *)cb, user_data);
+       ret = _bt_register_event(BT_HEADSET_EVENT, (void *)cb, user_data);
+       if (ret != BLUETOOTH_ERROR_NONE &&
+           ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
+               _bt_deinit_event_handler();
+               return ret;
+       }
+
+       ret = _bt_register_event(BT_A2DP_SOURCE_EVENT, (void *)cb, user_data);
+       if (ret != BLUETOOTH_ERROR_NONE &&
+                       ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
+               _bt_deinit_event_handler();
+               return ret;
+       }
 
        return BLUETOOTH_ERROR_NONE;
 }
@@ -48,7 +67,7 @@ BT_EXPORT_API int bluetooth_audio_init(bt_audio_func_ptr cb, void *user_data)
 BT_EXPORT_API int bluetooth_audio_deinit(void)
 {
        _bt_unregister_event(BT_HEADSET_EVENT);
-
+       _bt_unregister_event(BT_A2DP_SOURCE_EVENT);
        _bt_set_user_data(BT_AUDIO, NULL, NULL);
 
        return BLUETOOTH_ERROR_NONE;
@@ -56,23 +75,73 @@ BT_EXPORT_API int bluetooth_audio_deinit(void)
 
 BT_EXPORT_API int bluetooth_audio_connect(bluetooth_device_address_t *remote_address)
 {
+       int service_function = BT_AUDIO_CONNECT;
        int result;
        bt_user_info_t *user_info;
 
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
-       BT_INIT_PARAMS();
-       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AUDIO_CONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_address) == BT_DPM_RESTRICTED) {
+               BT_ERR("Blacklist device");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_HSP, NULL) == BT_DPM_RESTRICTED &&
+                _bt_check_dpm(BT_DPM_A2DP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use HSP / A2DP profile");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       } else if (_bt_check_dpm(BT_DPM_HSP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use HSP profile");
+               service_function = BT_AV_CONNECT;
+       } else if (_bt_check_dpm(BT_DPM_A2DP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use A2DP profile");
+               service_function = BT_AG_CONNECT;
+       }
+
+       if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
+               char address[BT_ADDRESS_STRING_SIZE] = { 0 };
+               bluetooth_device_class_t dev_class;
+
+               _bt_convert_addr_type_to_string(address, remote_address->addr);
+               _bt_get_cod_by_address(address, &dev_class);
+
+               if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
+                       BT_ERR("Reject a authorization due to MDM Policy");
+                       return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+               }
+       }
+#endif
 
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
-       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AUDIO_CONNECT,
-               in_param1, in_param2, in_param3, in_param4,
-               user_info->cb, user_info->user_data);
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (service_function == BT_AV_CONNECT)
+               result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_CONNECT,
+                               in_param1, in_param2, in_param3, in_param4,
+                               user_info->cb, user_info->user_data);
+       else if (service_function == BT_AG_CONNECT)
+               result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AG_CONNECT,
+                               in_param1, in_param2, in_param3, in_param4,
+                               user_info->cb, user_info->user_data);
+       else /* default case - with or without DPM enabled */
+#endif
+               result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AUDIO_CONNECT,
+                               in_param1, in_param2, in_param3, in_param4,
+                               user_info->cb, user_info->user_data);
 
        BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
@@ -87,11 +156,17 @@ BT_EXPORT_API int bluetooth_audio_disconnect(bluetooth_device_address_t *remote_
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
-       BT_INIT_PARAMS();
-       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AUDIO_DISCONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
 
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
@@ -112,14 +187,46 @@ BT_EXPORT_API int bluetooth_ag_connect(bluetooth_device_address_t *remote_addres
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
-       BT_INIT_PARAMS();
-       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AG_CONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_address) == BT_DPM_RESTRICTED) {
+               BT_ERR("Blacklist device");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_HSP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use HSP profile");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
+               char address[BT_ADDRESS_STRING_SIZE] = { 0 };
+               bluetooth_device_class_t dev_class;
+
+               _bt_convert_addr_type_to_string(address, remote_address->addr);
+               _bt_get_cod_by_address(address, &dev_class);
+
+               if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
+                       BT_ERR("Reject a authorization due to MDM Policy");
+                       return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+               }
+       }
+#endif
 
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
+       BT_INFO_C("### Connect AG");
        result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AG_CONNECT,
                in_param1, in_param2, in_param3, in_param4,
                user_info->cb, user_info->user_data);
@@ -137,11 +244,17 @@ BT_EXPORT_API int bluetooth_ag_disconnect(bluetooth_device_address_t *remote_add
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
-       BT_INIT_PARAMS();
-       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AG_DISCONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
 
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
@@ -162,15 +275,89 @@ BT_EXPORT_API int bluetooth_av_connect(bluetooth_device_address_t *remote_addres
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AV_CONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_address) == BT_DPM_RESTRICTED) {
+               BT_ERR("Blacklist device");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_A2DP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use A2DP profile");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
+               char address[BT_ADDRESS_STRING_SIZE] = { 0 };
+               bluetooth_device_class_t dev_class;
+
+               _bt_convert_addr_type_to_string(address, remote_address->addr);
+               _bt_get_cod_by_address(address, &dev_class);
+
+               if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
+                       BT_ERR("Reject a authorization due to MDM Policy");
+                       return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+               }
+       }
+#endif
+
+       user_info = _bt_get_user_data(BT_AUDIO);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
        BT_INIT_PARAMS();
        BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
+       g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
+
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_CONNECT,
+               in_param1, in_param2, in_param3, in_param4,
+               user_info->cb, user_info->user_data);
+
+       BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       return result;
+}
+
+BT_EXPORT_API int bluetooth_av_source_connect(bluetooth_device_address_t *remote_address)
+{
+       int result;
+       bt_user_info_t *user_info;
+
+       BT_CHECK_PARAMETER(remote_address, return);
+       BT_CHECK_ENABLED(return);
+
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AV_SOURCE_CONNECT)
+                == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_address) == BT_DPM_RESTRICTED) {
+               BT_ERR("Blacklist device");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+
+       if (_bt_check_dpm(BT_DPM_A2DP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use A2DP profile");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+#endif
+
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
-       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_CONNECT,
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_SOURCE_CONNECT,
                in_param1, in_param2, in_param3, in_param4,
                user_info->cb, user_info->user_data);
 
@@ -187,15 +374,52 @@ BT_EXPORT_API int bluetooth_av_disconnect(bluetooth_device_address_t *remote_add
        BT_CHECK_PARAMETER(remote_address, return);
        BT_CHECK_ENABLED(return);
 
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AV_DISCONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+       user_info = _bt_get_user_data(BT_AUDIO);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
        BT_INIT_PARAMS();
        BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
+       g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
+
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_DISCONNECT,
+               in_param1, in_param2, in_param3, in_param4,
+               user_info->cb, user_info->user_data);
+
+       BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       return result;
+}
+
+BT_EXPORT_API int bluetooth_av_source_disconnect(bluetooth_device_address_t *remote_address)
+{
+       int result;
+       bt_user_info_t *user_info;
+
+       BT_CHECK_PARAMETER(remote_address, return);
+       BT_CHECK_ENABLED(return);
+
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_AV_SOURCE_DISCONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
        user_info = _bt_get_user_data(BT_AUDIO);
-       retv_if(user_info == NULL, BLUETOOTH_ERROR_INTERNAL);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
        g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
 
-       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_DISCONNECT,
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_AV_SOURCE_DISCONNECT,
                in_param1, in_param2, in_param3, in_param4,
                user_info->cb, user_info->user_data);
 
@@ -204,6 +428,24 @@ BT_EXPORT_API int bluetooth_av_disconnect(bluetooth_device_address_t *remote_add
        return result;
 }
 
+BT_EXPORT_API int bluetooth_audio_select_role(bluetooth_audio_role_t role)
+{
+       int result;
+
+       BT_CHECK_ENABLED(return);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       g_array_append_vals(in_param1, &role, sizeof(bluetooth_audio_role_t));
+
+       result = _bt_send_request(BT_BLUEZ_SERVICE, BT_AUDIO_SELECT_ROLE,
+               in_param1, in_param2, in_param3, in_param4, &out_param);
+
+       BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+       return result;
+}
+
 BT_EXPORT_API int bluetooth_ag_get_headset_volume(unsigned int *speaker_gain)
 {
        int result;
@@ -233,6 +475,13 @@ BT_EXPORT_API int bluetooth_ag_set_speaker_gain(unsigned int speaker_gain)
 
        BT_CHECK_ENABLED(return);
 
+#ifdef TIZEN_FEATURE_BT_DPM
+       if (_bt_check_dpm(BT_DPM_HSP, NULL) == BT_DPM_RESTRICTED) {
+               BT_ERR("Not allow to use HSP profile");
+               return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
+       }
+#endif
+
        BT_INIT_PARAMS();
        BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 
@@ -246,3 +495,732 @@ BT_EXPORT_API int bluetooth_ag_set_speaker_gain(unsigned int speaker_gain)
        return result;
 }
 
+#define BT_HF_SERVICE_NAME "org.bluez.hf_agent"
+#define BT_HF_OBJECT_PATH "/org/bluez/handsfree_agent"
+#define BT_HF_INTERFACE "org.tizen.HfApp"
+
+
+static GVariant* __bt_hf_agent_dbus_send(const char *path, const char *interface,
+                               const char *method, GError **err, GVariant *parameters)
+{
+       GVariant *reply = NULL;
+       GDBusProxy *proxy = NULL;
+       GDBusConnection *conn = NULL;
+
+       conn = _bt_get_system_private_conn();
+       retv_if(conn == NULL, NULL);
+
+       proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
+               NULL, BT_HF_SERVICE_NAME, path, interface, NULL, err);
+       if (proxy == NULL) {
+               BT_ERR("Unable to allocate new proxy");
+               return NULL;
+       }
+
+       reply = g_dbus_proxy_call_sync(proxy, method, parameters,
+                               G_DBUS_CALL_FLAGS_NONE, -1, NULL, err);
+
+       g_object_unref(proxy);
+       return reply;
+}
+
+static int __bt_hf_agent_read_call_list(GVariant *reply,
+                               bt_hf_call_list_s **call_list) {
+
+       GVariantIter iter;
+       GVariant *var_temp = NULL;
+       int32_t call_count;
+       gchar *num = NULL;
+       int dir, status, mpart, idx;
+
+       BT_DBG("+");
+
+       g_variant_get(reply, "(i@a(siiii))", &call_count, &var_temp);
+
+       if (call_count <= 0) {
+               *call_list = NULL;
+               return BLUETOOTH_ERROR_NOT_FOUND;
+       }
+       BT_DBG("Call count = %d", call_count);
+
+       *call_list = g_malloc0(sizeof(bt_hf_call_list_s));
+       (*call_list)->count = call_count;
+
+       g_variant_iter_init(&iter, var_temp);
+       while (g_variant_iter_loop(&iter, "(siiii)", &num, &dir, &status, &mpart, &idx)) {
+               bt_hf_call_status_info_t *call_info;
+
+               call_info = g_malloc0(sizeof(bt_hf_call_status_info_t));
+               call_info->number = g_strdup(num);
+               call_info->direction = dir;
+               call_info->status = status;
+               call_info->mpart = mpart;
+               call_info->idx = idx;
+
+               (*call_list)->list = g_list_append((*call_list)->list,
+                                                       (gpointer)call_info);
+       }
+       BT_DBG("-");
+       return BLUETOOTH_ERROR_NONE;
+}
+
+static int __bluetooth_hf_get_error(const char *error_message)
+{
+       if (error_message == NULL) {
+               BT_ERR("Error message NULL");
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+
+       BT_ERR("Error message = %s", error_message);
+
+       if (g_strcmp0(error_message, "NotConnected") == 0)
+               return BLUETOOTH_ERROR_NOT_CONNECTED;
+       else
+               return BLUETOOTH_ERROR_INTERNAL;
+}
+
+BT_EXPORT_API int bluetooth_hf_init(bt_hf_func_ptr cb, void *user_data)
+{
+       int ret;
+
+       if (cb == NULL) {
+               BT_ERR("callback is NULL");
+               return BLUETOOTH_ERROR_INVALID_PARAM;
+       }
+
+       ret = _bt_init_event_handler();
+
+       if (ret != BLUETOOTH_ERROR_NONE &&
+            ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
+               BT_ERR("Fail to init the event handler");
+               return ret;
+       }
+
+       _bt_set_user_data(BT_HF, (void *)cb, user_data);
+
+       /* Register All events */
+       ret = _bt_register_event(BT_HF_AGENT_EVENT, (void *)cb, user_data);
+       if (ret != BLUETOOTH_ERROR_NONE &&
+            ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
+               _bt_deinit_event_handler();
+               return ret;
+       }
+
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_deinit(void)
+{
+       int ret;
+
+       ret = _bt_unregister_event(BT_HF_AGENT_EVENT);
+       if (ret != BLUETOOTH_ERROR_NONE)
+               BT_ERR("_bt_unregister_event failed");
+
+       _bt_set_user_data(BT_HF, NULL, NULL);
+
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_connect(bluetooth_device_address_t *remote_address)
+{
+       int result;
+       bt_user_info_t *user_info;
+
+       BT_CHECK_ENABLED(return);
+       BT_CHECK_PARAMETER(remote_address, return);
+
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HF_CONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+       user_info = _bt_get_user_data(BT_HF);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
+
+       BT_INFO_C("### Connect HF");
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HF_CONNECT,
+               in_param1, in_param2, in_param3, in_param4,
+               user_info->cb, user_info->user_data);
+
+       BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       return result;
+}
+
+BT_EXPORT_API int bluetooth_hf_disconnect(bluetooth_device_address_t *remote_address)
+{
+       int result;
+       bt_user_info_t *user_info;
+
+       BT_CHECK_PARAMETER(remote_address, return);
+       BT_CHECK_ENABLED(return);
+
+       if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HF_DISCONNECT)
+            == BLUETOOTH_ERROR_PERMISSION_DEINED) {
+               BT_ERR("Don't have a privilege to use this API");
+               return BLUETOOTH_ERROR_PERMISSION_DEINED;
+       }
+
+       user_info = _bt_get_user_data(BT_HF);
+       retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
+
+       BT_INIT_PARAMS();
+       BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       g_array_append_vals(in_param1, remote_address, sizeof(bluetooth_device_address_t));
+
+       result = _bt_send_request_async(BT_BLUEZ_SERVICE, BT_HF_DISCONNECT,
+               in_param1, in_param2, in_param3, in_param4,
+               user_info->cb, user_info->user_data);
+
+       BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
+
+       return result;
+}
+
+BT_EXPORT_API int bluetooth_hf_answer_call()
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "AnswerCall", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+
+}
+
+BT_EXPORT_API int bluetooth_hf_terminate_call()
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "TerminateCall", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_initiate_call(char *number)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       GVariant *param = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       if (!number)
+               number = "";
+
+       param = g_variant_new("(s)", number);
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "InitiateCall", &err, param);
+       if (!reply) {
+               BT_ERR("Error returned in method call");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_voice_recognition(unsigned int status)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       GVariant *param = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       param = g_variant_new("(i)", status);
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "VoiceRecognition", &err, param);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_audio_disconnect(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "ScoDisconnect", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_set_speaker_gain(unsigned int speaker_gain)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       GVariant *param = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       param = g_variant_new("(u)", speaker_gain);
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "SpeakerGain", &err, param);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_send_dtmf(char *dtmf)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       GVariant *param = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       param = g_variant_new("(s)", dtmf);
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "SendDtmf", &err, param);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_send_xsat_cmd(int app_id, char *xsat_cmd)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       GVariant *param = NULL;
+       char buffer[200] = {0,};
+       char *ptr = buffer;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       strncpy(buffer, "AT+XSAT=\0", 200);
+       snprintf(buffer + strlen(buffer), sizeof(buffer) - strlen(buffer),
+               "%d,", app_id);
+       strncat(buffer, xsat_cmd, (sizeof(buffer) - 1) - strlen(buffer));
+       BT_DBG("Xsat cmd received = %s", buffer);
+
+       param = g_variant_new("(s)", ptr);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                                       "SendAtCmd", &err, param);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_release_and_accept(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "ReleaseAndAccept", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_swap_call(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "CallSwap", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_release_all_call(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "ReleaseAllCall", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_join_call(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "JoinCall", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_dbus_error_strip_remote_error(err);
+                       ret = _bt_get_error_value_from_message(err->message);
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_get_call_list(void *call_list,
+                                                               bt_hf_call_status_info_t **call_status)
+{
+       int i;
+       GList *list = call_list;
+       int call_count;
+       bt_hf_call_status_info_t * call_info;
+
+       BT_CHECK_ENABLED(return);
+       retv_if(list == NULL, BLUETOOTH_ERROR_INVALID_PARAM);
+       retv_if(call_status == NULL, BLUETOOTH_ERROR_INVALID_PARAM);
+
+       call_count = g_list_length(list);
+
+       BT_DBG(" call_count = [%d]", call_count);
+
+       for (i = 0; i < call_count; i++) {
+               call_info = g_list_nth_data(list, i);
+               BT_DBG(" direction = [%d]", call_info->direction);
+               BT_DBG(" status = [%d]", call_info->status);
+               BT_DBG(" mpart = [%d]", call_info->mpart);
+               BT_DBG(" number = [%s]", call_info->number);
+               BT_DBG(" idx = [%d]", call_info->idx);
+               call_status[i] = call_info;
+       }
+
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_free_call_list(bt_hf_call_list_s *call_list)
+{
+       bt_hf_call_list_s *handle;
+       bt_hf_call_status_info_t *call_status;
+
+       retv_if(call_list == NULL, BLUETOOTH_ERROR_INVALID_PARAM);
+
+       handle = (bt_hf_call_list_s *)call_list;
+       do  {
+               call_status = (bt_hf_call_status_info_t *)g_list_nth_data(
+                                                       handle->list, 0);
+               if (call_status == NULL)
+                       break;
+               handle->list = g_list_remove(handle->list, call_status);
+               g_free(call_status->number);
+               g_free(call_status);
+       } while (1);
+       g_free(handle);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_request_call_list(
+                                       bt_hf_call_list_s **call_list)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "RequestCallList", &err, NULL);
+       if (!reply) {
+               BT_ERR("dbus Error or call list is null\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_clear_error(&err);
+               }
+               *call_list = NULL;
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+       __bt_hf_agent_read_call_list(reply, call_list);
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_request_call_list_async(void)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int ret = BLUETOOTH_ERROR_INTERNAL;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "RequestCallListAsync", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       if (strstr(err->message, "No data"))
+                               ret = BLUETOOTH_ERROR_NO_DATA;
+                       g_clear_error(&err);
+               }
+               return ret;
+       }
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_get_codec(unsigned int *codec_id)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int32_t current_codec;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "GetCurrentCodec", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_clear_error(&err);
+               }
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+
+       g_variant_get(reply, "(i)", &current_codec);
+       *codec_id = current_codec;
+       BT_DBG(" Codec ID is : %d", *codec_id);
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_get_audio_connected(unsigned int *audio_connected)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       int32_t sco_audio_connected_from_bt_agent;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "GetAudioConnected", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_clear_error(&err);
+               }
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+
+       g_variant_get(reply, "(i)", &sco_audio_connected_from_bt_agent);
+       *audio_connected = sco_audio_connected_from_bt_agent;
+
+       if (*audio_connected == BLUETOOTH_HF_AUDIO_CONNECTED)
+               BT_DBG("SCO Audio is Connected");
+       else
+               BT_DBG("SCO Audio is Disconnected");
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_is_connected(gboolean *hf_connected)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       gboolean hf_connected_from_bt_agent;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "IsHfConnected", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call\n");
+               if (err) {
+                       BT_ERR("Error = %s", err->message);
+                       g_clear_error(&err);
+               }
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+
+       g_variant_get(reply, "(b)", &hf_connected_from_bt_agent);
+       *hf_connected = hf_connected_from_bt_agent;
+
+       BT_DBG("%s", *hf_connected ? "Connected" : "Disconnected");
+
+       g_variant_unref(reply);
+       return BLUETOOTH_ERROR_NONE;
+}
+
+BT_EXPORT_API int bluetooth_hf_is_ibr_supported(gboolean *ibr_supported)
+{
+       GVariant *reply = NULL;
+       GError *err = NULL;
+       gboolean is_supported;
+       int ret = BLUETOOTH_ERROR_NONE;
+
+       BT_CHECK_ENABLED(return);
+
+       reply = __bt_hf_agent_dbus_send(BT_HF_OBJECT_PATH, BT_HF_INTERFACE,
+                       "IsInbandRingtoneSupported", &err, NULL);
+       if (!reply) {
+               BT_ERR("Error returned in method call");
+               if (err) {
+                       g_dbus_error_strip_remote_error(err);
+                       ret = __bluetooth_hf_get_error(err->message);
+                       g_error_free(err);
+                       return ret;
+               }
+               return BLUETOOTH_ERROR_INTERNAL;
+       }
+
+       g_variant_get(reply, "(b)", &is_supported);
+       *ibr_supported = is_supported;
+
+       BT_DBG("%s", *ibr_supported ? "Supported" : "Not Supported");
+
+       g_variant_unref(reply);
+       return ret;
+}