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/*
* Copyright (C) 2017 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.
*/
#ifndef LOGREADER_H
#define LOGREADER_H
#include "logd/LogListener.h"
#include <utils/RefBase.h>
#include <vector>
namespace android {
namespace os {
namespace statsd {
/**
* Class to read logs from logd.
*/
class LogReader : public virtual android::RefBase {
public:
/**
* Construct the LogReader with the event listener. (Which is StatsService)
*/
LogReader(const sp<LogListener>& listener);
/**
* Destructor.
*/
virtual ~LogReader();
/**
* Run the main LogReader loop
*/
void Run();
private:
/**
* Who is going to get the events when they're read.
*/
sp<LogListener> mListener;
/**
* Connect to a single instance of logd, and read until there's a read error.
* Logd can crash, exit, be killed etc.
*
* Returns the number of lines that were read.
*/
int connect_and_read();
};
} // namespace statsd
} // namespace os
} // namespace android
#endif // LOGREADER_H
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