Simplify the logic to manage invocation list
[platform/core/connectivity/bluetooth-frwk.git] / bt-service-adaptation / services / audio / hf / bt-service-hf-client.c
1 /*
2  * Bluetooth-frwk
3  *
4  * Copyright (c) 2019 Samsung Electronics Co., Ltd. All rights reserved.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  *              http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  *
18  */
19
20 #include <sys/errno.h>
21 #include <sys/stat.h>
22 #include <fcntl.h>
23 #include <vconf.h>
24
25 #include "oal-hardware.h"
26 #include "oal-manager.h"
27 #include "oal-audio-src.h"
28 #include "oal-device-mgr.h"
29 #include "oal-hf-client.h"
30 #include "bt-service-common.h"
31
32 #include <bt-service-hf-client.h>
33 #include <bt-service-event.h>
34
35
36
37
38 static void __bt_reply_hf_client_disconnection_pending_request(bt_address_t *address)
39 {
40         BT_DBG("+");
41         char addr[BT_ADDRESS_STRING_SIZE] = { 0 };
42         bluetooth_device_address_t device_address;
43         GArray *out_param;
44         invocation_info_t *req_info;
45         int result = BLUETOOTH_ERROR_NONE;
46
47         ret_if(NULL == address);
48
49         memcpy(device_address.addr, address->addr, BLUETOOTH_ADDRESS_LENGTH);
50         _bt_convert_addr_type_to_string(addr, address->addr);
51
52         BT_INFO("HF Client Disconnection remote device [%s]", addr);
53
54         /* Find Async request information*/
55         req_info = _bt_get_request_info_data(BT_HF_DISCONNECT, addr);
56         if (NULL == req_info) {
57                 BT_INFO("HF DisConnect request not found or possibly already replied..");
58
59                 /* if HF Connect call fails on Bluez DBUS, Async callback from bluez will be received
60                    __bt_hf_client_connect_cb) which will internally trigger HF DISCONNECTED event */
61                 req_info = _bt_get_request_info_data(BT_HF_CONNECT, addr);
62                 if (NULL == req_info) {
63                         BT_INFO("HF Connect request not found..");
64                         return;
65                 } else {
66                         BT_INFO("HF Connect request found..reply this request");
67                 }
68         } else {
69                 BT_INFO("HF DisConnect request found..reply this request");
70         }
71
72         /* In any of the above cases, reply DBUS context */
73         out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
74         g_array_append_vals(out_param, &device_address, sizeof(bluetooth_device_address_t));
75         _bt_service_method_return(req_info->context, out_param, result);
76         g_array_free(out_param, TRUE);
77         _bt_free_info_from_invocation_list(req_info);
78
79         BT_DBG("-");
80 }
81
82 static void __bt_reply_hf_client_connection_pending_request(bt_address_t *address)
83 {
84         BT_DBG("+");
85         char addr[BT_ADDRESS_STRING_SIZE] = { 0 };
86         bluetooth_device_address_t device_address;
87         GArray *out_param;
88         invocation_info_t *req_info;
89         int result = BLUETOOTH_ERROR_NONE;
90
91         ret_if(NULL == address);
92
93         memcpy(device_address.addr, address->addr, BLUETOOTH_ADDRESS_LENGTH);
94         _bt_convert_addr_type_to_string(addr, address->addr);
95
96         BT_INFO("HF Client Connection remote device [%s]", addr);
97
98         /* Find Async request information*/
99         req_info = _bt_get_request_info_data(BT_HF_CONNECT, addr);
100         if (NULL == req_info) {
101                 BT_INFO("HF Connect request not found or possibly already replied..");
102                 return;
103
104         } else {
105                 BT_INFO("HF Connect request found..");
106         }
107
108         /* In any of the above cases, reply DBUS context */
109         out_param = g_array_new(FALSE, FALSE, sizeof(gchar));
110         g_array_append_vals(out_param, &device_address, sizeof(bluetooth_device_address_t));
111         _bt_service_method_return(req_info->context, out_param, result);
112         g_array_free(out_param, TRUE);
113         _bt_free_info_from_invocation_list(req_info);
114
115         BT_DBG("-");
116 }
117
118
119 /* This event handler process events for HF Client role */
120 void _bt_hf_client_event_handler(int oal_event, gpointer event_data)
121 {
122         BT_INFO("+");
123         bt_address_t *bt_addr = event_data;
124
125         switch (oal_event) {
126         case OAL_EVENT_HF_CLIENT_DISCONNECTED:
127                 /* Reply to async request for HF Client connect or disconnect request, if any */
128                 BT_INFO("HF client Profile disconnected, reply pending DBUS request and check waiting device");
129                 __bt_reply_hf_client_disconnection_pending_request(bt_addr);
130                 BT_PERMANENT_LOG("Disconnected HF");
131                 break;
132         case OAL_EVENT_HF_CLIENT_CONNECTED:
133                 BT_INFO("HF Client Profile connected, Event & DBUS context will be handled at finalizing SCO connect..");
134                 __bt_reply_hf_client_connection_pending_request(bt_addr);
135                 BT_PERMANENT_LOG("Connected HF");
136                 break;
137         case OAL_EVENT_HF_CLIENT_CONNECTING:
138                 BT_INFO("HF Client Profile connection successful, wait for Audio connect..");
139                 break;
140         case OAL_EVENT_HF_CLIENT_DISCONNECTING:
141                 BT_INFO("HF Client Connecting or Disconnecting..No need to send event to app");
142                 break;
143         default:
144                 break;
145         }
146 }
147
148 int _bt_connect_remote_ag(bluetooth_device_address_t *device_address)
149 {
150         oal_status_t status = OAL_STATUS_SUCCESS;
151         int result = BLUETOOTH_ERROR_NONE;
152         gboolean is_connected = FALSE;
153
154         BT_INFO("+");
155
156         is_connected = device_get_svc_conn_state((bt_address_t*)device_address, HFP_SERVICE_ID);
157         if (is_connected == TRUE) {
158                 BT_ERR("HF Client is already connected");
159                 return BLUETOOTH_ERROR_ALREADY_CONNECT;
160         }
161
162         status = hf_client_connect((bt_address_t *)device_address);
163         if (status != OAL_STATUS_SUCCESS) {
164                 BT_ERR("HF Client Connection could not be established, err: [%d]", status);
165                 result = _bt_convert_oal_status_to_bt_error(status);
166         }
167         return result;
168 }
169
170 int _bt_disconnect_remote_ag(bluetooth_device_address_t *device_address)
171 {
172         oal_status_t status = OAL_STATUS_SUCCESS;
173         int result = BLUETOOTH_ERROR_NONE;
174         BT_INFO("+");
175
176         status = hf_client_disconnect((bt_address_t *)device_address);
177         if (status != OAL_STATUS_SUCCESS) {
178                 BT_ERR("HF Client DisConnection err: [%d]", status);
179                 result = _bt_convert_oal_status_to_bt_error(status);
180         }
181         return result;
182 }
183