/*
* Copyright 2010, 2011 sshj contributors
*
* 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 net.schmizz.sshj.connection.channel;
import net.schmizz.concurrent.Event;
import net.schmizz.sshj.common.IOUtils;
import java.io.Closeable;
import java.io.IOException;
import java.net.Socket;
import java.util.concurrent.TimeUnit;
public class SocketStreamCopyMonitor
extends Thread {
private SocketStreamCopyMonitor(Runnable r) {
super(r);
setName("sockmon");
setDaemon(true);
}
private static Closeable wrapSocket(final Socket socket) {
return new Closeable() {
@Override
public void close()
throws IOException {
socket.close();
}
};
}
public static void monitor(final int frequency, final TimeUnit unit,
final Event<IOException> x, final Event<IOException> y,
final Channel channel, final Socket socket) {
new SocketStreamCopyMonitor(new Runnable() {
public void run() {
try {
for (Event<IOException> ev = x;
!ev.tryAwait(frequency, unit);
ev = (ev == x) ? y : x) {
}
} catch (IOException ignored) {
} finally {
IOUtils.closeQuietly(channel, wrapSocket(socket));
}
}
}).start();
}
}