1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
//
// Copyright (C) 2017 Google, Inc.
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "service/ipc/binder/bluetooth_a2dp_source_binder_server.h"
#include <base/logging.h>
#include "service/adapter.h"
#define AIDL_RET(value) \
do { \
*_aidl_return = (value); \
return Status::ok(); \
} while (0)
#define TRY_GET_SOURCE() \
({ \
auto source = GetA2dpSource(); \
if (!source) { \
LOG(ERROR) << __func__ << ": " \
<< "Failed to get A2DP source interface"; \
AIDL_RET(false); \
} \
source; \
})
#define TRY_GET_CB() \
({ \
auto cb = GetA2dpSourceCallback(); \
if (!cb.get()) { \
LOG(WARNING) << "Callback for A2DP SOURCE was deleted"; \
return; \
} \
cb; \
})
#define TRY_RET(expr, msg) \
do { \
if (!(expr)) { \
LOG(ERROR) << msg; \
AIDL_RET(false); \
} \
AIDL_RET(true); \
} while (0)
#define TRY_RET_FUNC(expr) TRY_RET(expr, __func__ << " failed")
using android::String16;
using android::String8;
using android::binder::Status;
using android::bluetooth::BluetoothA2dpCodecConfig;
using android::bluetooth::IBluetoothA2dpSourceCallback;
using LockGuard = std::lock_guard<std::mutex>;
namespace ipc {
namespace binder {
namespace {
std::vector<bluetooth::A2dpCodecConfig> A2dpCodecsFromBinder(
const std::vector<BluetoothA2dpCodecConfig>& codecs) {
std::vector<bluetooth::A2dpCodecConfig> ret;
ret.reserve(codecs.size());
for (const auto& config : codecs) {
ret.push_back(config);
}
return ret;
}
std::vector<BluetoothA2dpCodecConfig> A2dpCodecsToBinder(
const std::vector<bluetooth::A2dpCodecConfig>& codecs) {
std::vector<BluetoothA2dpCodecConfig> ret;
ret.reserve(codecs.size());
for (const auto& config : codecs) {
ret.push_back(config);
}
return ret;
}
} // namespace
BluetoothA2dpSourceBinderServer::BluetoothA2dpSourceBinderServer(
bluetooth::Adapter* adapter)
: adapter_(adapter) {
CHECK(adapter);
}
BluetoothA2dpSourceBinderServer::~BluetoothA2dpSourceBinderServer() = default;
bool BluetoothA2dpSourceBinderServer::HasInstance() {
return GetA2dpSource() != nullptr;
}
Status BluetoothA2dpSourceBinderServer::Register(
const android::sp<IBluetoothA2dpSourceCallback>& callback,
bool* _aidl_return) {
auto factory = adapter_->GetA2dpSourceFactory();
*_aidl_return = RegisterInstanceBase(callback, factory);
return Status::ok();
}
Status BluetoothA2dpSourceBinderServer::Unregister() {
UnregisterAllBase();
return Status::ok();
}
Status BluetoothA2dpSourceBinderServer::Enable(
const std::vector<android::bluetooth::BluetoothA2dpCodecConfig>&
codec_priorities,
bool* _aidl_return) {
auto codec_priorities_non_binder = A2dpCodecsFromBinder(codec_priorities);
LockGuard lock(*maps_lock());
auto a2dp_source = TRY_GET_SOURCE();
TRY_RET_FUNC(a2dp_source->Enable(codec_priorities_non_binder));
}
Status BluetoothA2dpSourceBinderServer::Disable(bool* _aidl_return) {
LockGuard lock(*maps_lock());
auto a2dp_source = TRY_GET_SOURCE();
a2dp_source->Disable();
AIDL_RET(true);
}
Status BluetoothA2dpSourceBinderServer::Connect(const String16& device_address,
bool* _aidl_return) {
LockGuard lock(*maps_lock());
auto a2dp_source = TRY_GET_SOURCE();
TRY_RET_FUNC(a2dp_source->Connect(String8(device_address).string()));
}
Status BluetoothA2dpSourceBinderServer::Disconnect(
const String16& device_address, bool* _aidl_return) {
LockGuard lock(*maps_lock());
auto a2dp_source = TRY_GET_SOURCE();
TRY_RET_FUNC(a2dp_source->Disconnect(String8(device_address).string()));
}
Status BluetoothA2dpSourceBinderServer::ConfigCodec(
const android::String16& device_address,
const std::vector<android::bluetooth::BluetoothA2dpCodecConfig>&
codec_preferences,
bool* _aidl_return) {
auto codec_preferences_non_binder = A2dpCodecsFromBinder(codec_preferences);
LockGuard lock(*maps_lock());
auto a2dp_source = TRY_GET_SOURCE();
TRY_RET_FUNC(a2dp_source->ConfigCodec(String8(device_address).string(),
codec_preferences_non_binder));
}
void BluetoothA2dpSourceBinderServer::OnConnectionState(
const std::string& device_address, int state) {
LockGuard lock(*maps_lock());
auto cb = TRY_GET_CB();
cb->OnConnectionState(String16(device_address.c_str()), state);
}
void BluetoothA2dpSourceBinderServer::OnAudioState(
const std::string& device_address, int state) {
LockGuard lock(*maps_lock());
auto cb = TRY_GET_CB();
cb->OnAudioState(String16(device_address.c_str()), state);
}
void BluetoothA2dpSourceBinderServer::OnAudioConfig(
const std::string& device_address, bluetooth::A2dpCodecConfig codec_config,
const std::vector<bluetooth::A2dpCodecConfig>& codecs_local_capabilities,
const std::vector<bluetooth::A2dpCodecConfig>&
codecs_selectable_capabilities) {
auto binder_codecs_local_capabilities =
A2dpCodecsToBinder(codecs_local_capabilities);
auto binder_codecs_selectable_capabilities =
A2dpCodecsToBinder(codecs_selectable_capabilities);
LockGuard lock(*maps_lock());
auto cb = TRY_GET_CB();
cb->OnAudioConfig(String16(device_address.c_str()), codec_config,
binder_codecs_local_capabilities,
binder_codecs_selectable_capabilities);
}
android::sp<IBluetoothA2dpSourceCallback>
BluetoothA2dpSourceBinderServer::GetA2dpSourceCallback() {
auto cb = GetCallback(bluetooth::A2dpSource::kSingletonInstanceId);
return android::sp<IBluetoothA2dpSourceCallback>(
static_cast<IBluetoothA2dpSourceCallback*>(cb.get()));
}
std::shared_ptr<bluetooth::A2dpSource>
BluetoothA2dpSourceBinderServer::GetA2dpSource() {
return std::static_pointer_cast<bluetooth::A2dpSource>(
GetInstance(bluetooth::A2dpSource::kSingletonInstanceId));
}
void BluetoothA2dpSourceBinderServer::OnRegisterInstanceImpl(
bluetooth::BLEStatus status, android::sp<IInterface> callback,
bluetooth::BluetoothInstance* instance) {
VLOG(1) << __func__ << " instance ID: " << instance->GetInstanceId()
<< " status: " << status;
bluetooth::A2dpSource* a2dp_source =
static_cast<bluetooth::A2dpSource*>(instance);
a2dp_source->SetDelegate(this);
android::sp<IBluetoothA2dpSourceCallback> cb(
static_cast<IBluetoothA2dpSourceCallback*>(callback.get()));
cb->OnRegistered(status);
}
} // namespace binder
} // namespace ipc
|
