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Copy pathFifoLogSource.java
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81 lines (73 loc) · 2.61 KB
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/*
* Copyright (C) 2009 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.
*/
package feiw;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
public final class FifoLogSource extends LogSource {
private String mFifoUrl;
public FifoLogSource(final String fifo) throws DeviceNotConnected {
super();
mRollLines = SystemConfigs.instance().getLogRollingLines();
if (!new File(fifo).exists()) {
try {
Runtime.getRuntime().exec("mkfifo " + fifo);
} catch (IOException e) {
throw new DeviceNotConnected("could not mkfifo " + fifo);
}
}
mFifoUrl = fifo;
setStatus(stConnected);
load();
}
public void load() {
new Thread() {
@Override
public void run() {
try {
setStatus(stConnected);
final FileInputStream is = new FileInputStream(mFifoUrl);
while (getStatus() == stConnected) {
// long start_time = System.currentTimeMillis();
if (is.available() > 0 && fetchLogs(is) > 0) {
notifyViews();
} else {
try {
Thread.sleep(20);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
// System.out.println("loading time = " +
// (System.currentTimeMillis() - start_time));
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}.start();
}
@Override
public void disconnect() {
setStatus(stIdle);
File f = new File(mFifoUrl);
if (f.exists()) {
f.delete();
}
}
}