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
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* 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.
*/
#define LOG_TAG "VibratorManagerHalWrapper"
#include <utils/Log.h>
#include <vibratorservice/VibratorManagerHalWrapper.h>
namespace Aidl = android::hardware::vibrator;
namespace android {
namespace vibrator {
constexpr int32_t SINGLE_VIBRATOR_ID = 0;
const constexpr char* MISSING_VIBRATOR_MESSAGE_PREFIX = "No vibrator with id=";
HalResult<void> LegacyManagerHalWrapper::ping() {
auto pingFn = [](HalWrapper* hal) { return hal->ping(); };
return mController->doWithRetry<void>(pingFn, "ping");
}
void LegacyManagerHalWrapper::tryReconnect() {
mController->tryReconnect();
}
HalResult<ManagerCapabilities> LegacyManagerHalWrapper::getCapabilities() {
return HalResult<ManagerCapabilities>::ok(ManagerCapabilities::NONE);
}
HalResult<std::vector<int32_t>> LegacyManagerHalWrapper::getVibratorIds() {
if (mController->init()) {
return HalResult<std::vector<int32_t>>::ok(std::vector<int32_t>(1, SINGLE_VIBRATOR_ID));
}
// Controller.init did not connect to any vibrator HAL service, so the device has no vibrator.
return HalResult<std::vector<int32_t>>::ok(std::vector<int32_t>());
}
HalResult<std::shared_ptr<HalController>> LegacyManagerHalWrapper::getVibrator(int32_t id) {
if (id == SINGLE_VIBRATOR_ID && mController->init()) {
return HalResult<std::shared_ptr<HalController>>::ok(mController);
}
// Controller.init did not connect to any vibrator HAL service, so the device has no vibrator.
return HalResult<std::shared_ptr<HalController>>::failed(MISSING_VIBRATOR_MESSAGE_PREFIX +
std::to_string(id));
}
HalResult<void> LegacyManagerHalWrapper::prepareSynced(const std::vector<int32_t>&) {
return HalResult<void>::unsupported();
}
HalResult<void> LegacyManagerHalWrapper::triggerSynced(const std::function<void()>&) {
return HalResult<void>::unsupported();
}
HalResult<void> LegacyManagerHalWrapper::cancelSynced() {
return HalResult<void>::unsupported();
}
// -------------------------------------------------------------------------------------------------
std::shared_ptr<HalWrapper> AidlManagerHalWrapper::connectToVibrator(
int32_t vibratorId, std::shared_ptr<CallbackScheduler> callbackScheduler) {
std::function<HalResult<sp<Aidl::IVibrator>>()> reconnectFn = [=]() {
sp<Aidl::IVibrator> vibrator;
auto result = this->getHal()->getVibrator(vibratorId, &vibrator);
return HalResult<sp<Aidl::IVibrator>>::fromStatus(result, vibrator);
};
auto result = reconnectFn();
if (!result.isOk()) {
return nullptr;
}
auto vibrator = result.value();
if (!vibrator) {
return nullptr;
}
return std::move(std::make_unique<AidlHalWrapper>(std::move(callbackScheduler),
std::move(vibrator), reconnectFn));
}
HalResult<void> AidlManagerHalWrapper::ping() {
return HalResult<void>::fromStatus(IInterface::asBinder(getHal())->pingBinder());
}
void AidlManagerHalWrapper::tryReconnect() {
sp<Aidl::IVibratorManager> newHandle = checkVintfService<Aidl::IVibratorManager>();
if (newHandle) {
std::lock_guard<std::mutex> lock(mHandleMutex);
mHandle = std::move(newHandle);
}
}
HalResult<ManagerCapabilities> AidlManagerHalWrapper::getCapabilities() {
std::lock_guard<std::mutex> lock(mCapabilitiesMutex);
if (mCapabilities.has_value()) {
// Return copy of cached value.
return HalResult<ManagerCapabilities>::ok(*mCapabilities);
}
int32_t cap = 0;
auto result = getHal()->getCapabilities(&cap);
auto ret = HalResult<ManagerCapabilities>::fromStatus(result,
static_cast<ManagerCapabilities>(cap));
if (ret.isOk()) {
// Cache copy of returned value.
mCapabilities.emplace(ret.value());
}
return ret;
}
HalResult<std::vector<int32_t>> AidlManagerHalWrapper::getVibratorIds() {
std::lock_guard<std::mutex> lock(mVibratorsMutex);
if (mVibratorIds.has_value()) {
// Return copy of cached values.
return HalResult<std::vector<int32_t>>::ok(*mVibratorIds);
}
std::vector<int32_t> ids;
auto result = getHal()->getVibratorIds(&ids);
auto ret = HalResult<std::vector<int32_t>>::fromStatus(result, ids);
if (ret.isOk()) {
// Cache copy of returned value and the individual controllers.
mVibratorIds.emplace(ret.value());
for (auto& id : ids) {
HalController::Connector connector = [&, id](auto scheduler) {
return this->connectToVibrator(id, scheduler);
};
auto controller = std::make_unique<HalController>(mCallbackScheduler, connector);
mVibrators[id] = std::move(controller);
}
}
return ret;
}
HalResult<std::shared_ptr<HalController>> AidlManagerHalWrapper::getVibrator(int32_t id) {
// Make sure we cache vibrator ids and initialize the individual controllers.
getVibratorIds();
std::lock_guard<std::mutex> lock(mVibratorsMutex);
auto it = mVibrators.find(id);
if (it != mVibrators.end()) {
return HalResult<std::shared_ptr<HalController>>::ok(it->second);
}
return HalResult<std::shared_ptr<HalController>>::failed(MISSING_VIBRATOR_MESSAGE_PREFIX +
std::to_string(id));
}
HalResult<void> AidlManagerHalWrapper::prepareSynced(const std::vector<int32_t>& ids) {
auto ret = HalResult<void>::fromStatus(getHal()->prepareSynced(ids));
if (ret.isOk()) {
// Force reload of all vibrator controllers that were prepared for a sync operation here.
// This will trigger calls to getVibrator(id) on each controller, so they can use the
// latest service provided by this manager.
std::lock_guard<std::mutex> lock(mVibratorsMutex);
for (auto& id : ids) {
auto it = mVibrators.find(id);
if (it != mVibrators.end()) {
it->second->tryReconnect();
}
}
}
return ret;
}
HalResult<void> AidlManagerHalWrapper::triggerSynced(
const std::function<void()>& completionCallback) {
HalResult<ManagerCapabilities> capabilities = getCapabilities();
bool supportsCallback = capabilities.isOk() &&
static_cast<int32_t>(capabilities.value() & ManagerCapabilities::TRIGGER_CALLBACK);
auto cb = supportsCallback ? new HalCallbackWrapper(completionCallback) : nullptr;
return HalResult<void>::fromStatus(getHal()->triggerSynced(cb));
}
HalResult<void> AidlManagerHalWrapper::cancelSynced() {
auto ret = HalResult<void>::fromStatus(getHal()->cancelSynced());
if (ret.isOk()) {
// Force reload of all vibrator controllers that were prepared for a sync operation before.
// This will trigger calls to getVibrator(id) on each controller, so they can use the
// latest service provided by this manager.
std::lock_guard<std::mutex> lock(mVibratorsMutex);
for (auto& entry : mVibrators) {
entry.second->tryReconnect();
}
}
return ret;
}
sp<Aidl::IVibratorManager> AidlManagerHalWrapper::getHal() {
std::lock_guard<std::mutex> lock(mHandleMutex);
return mHandle;
}
}; // namespace vibrator
}; // namespace android
|
