platform_system_core/healthd/BatteryPropertiesRegistrar.cpp
Todd Poynor 752faf2c18 healthd: Add system health monitoring daemon
Initially moving battery health monitoring here.

Command line flag -n tells healthd not to use (or wait for) servicemanager
in this execution, for charger and recovery modes.

Change-Id: I1720594724af0c068497b359f9c6ad65aeaa1519
2013-07-26 01:30:42 +00:00

81 lines
2.6 KiB
C++

/*
* Copyright (C) 2013 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.
*/
#include "BatteryPropertiesRegistrar.h"
#include <batteryservice/BatteryService.h>
#include <batteryservice/IBatteryPropertiesListener.h>
#include <batteryservice/IBatteryPropertiesRegistrar.h>
#include <binder/IServiceManager.h>
#include <utils/Errors.h>
#include <utils/Mutex.h>
#include <utils/String16.h>
namespace android {
BatteryPropertiesRegistrar::BatteryPropertiesRegistrar(BatteryMonitor* monitor) {
mBatteryMonitor = monitor;
}
void BatteryPropertiesRegistrar::publish() {
defaultServiceManager()->addService(String16("batterypropreg"), this);
}
void BatteryPropertiesRegistrar::notifyListeners(struct BatteryProperties props) {
Mutex::Autolock _l(mRegistrationLock);
for (size_t i = 0; i < mListeners.size(); i++) {
mListeners[i]->batteryPropertiesChanged(props);
}
}
void BatteryPropertiesRegistrar::registerListener(const sp<IBatteryPropertiesListener>& listener) {
{
Mutex::Autolock _l(mRegistrationLock);
// check whether this is a duplicate
for (size_t i = 0; i < mListeners.size(); i++) {
if (mListeners[i]->asBinder() == listener->asBinder()) {
return;
}
}
mListeners.add(listener);
listener->asBinder()->linkToDeath(this);
}
mBatteryMonitor->update();
}
void BatteryPropertiesRegistrar::unregisterListener(const sp<IBatteryPropertiesListener>& listener) {
Mutex::Autolock _l(mRegistrationLock);
for (size_t i = 0; i < mListeners.size(); i++) {
if (mListeners[i]->asBinder() == listener->asBinder()) {
mListeners[i]->asBinder()->unlinkToDeath(this);
mListeners.removeAt(i);
break;
}
}
}
void BatteryPropertiesRegistrar::binderDied(const wp<IBinder>& who) {
Mutex::Autolock _l(mRegistrationLock);
for (size_t i = 0; i < mListeners.size(); i++) {
if (mListeners[i]->asBinder() == who) {
mListeners.removeAt(i);
break;
}
}
}
} // namespace android