/*
* Copyright (C)2009 - 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.forwarded;
import net.schmizz.sshj.common.IOUtils;
import net.schmizz.sshj.connection.Connection;
import net.schmizz.sshj.connection.channel.Channel;
import net.schmizz.sshj.connection.channel.OpenFailException;
import net.schmizz.sshj.transport.TransportException;
import org.slf4j.Logger;
import java.io.IOException;
/** Base class for {@link ForwardedChannelOpener}'s. */
public abstract class AbstractForwardedChannelOpener
implements ForwardedChannelOpener {
protected final Logger log;
protected final String chanType;
protected final Connection conn;
protected AbstractForwardedChannelOpener(String chanType, Connection conn) {
this.chanType = chanType;
this.conn = conn;
log = conn.getTransport().getConfig().getLoggerFactory().getLogger(getClass());
}
@Override
public String getChannelType() {
return chanType;
}
/** Calls the listener with the new channel in a separate thread. */
protected void callListener(final ConnectListener listener, final Channel.Forwarded chan) {
new Thread() {
{
setName("chanopener");
}
@Override
public void run() {
try {
listener.gotConnect(chan);
} catch (IOException logged) {
log.warn("In callback to {}: {}", listener, logged);
if (chan.isOpen())
IOUtils.closeQuietly(chan);
else
try {
chan.reject(OpenFailException.Reason.CONNECT_FAILED, "");
} catch (TransportException cantdonthn) {
log.warn("Error rejecting {}: {}", chan, cantdonthn);
}
}
}
}.start();
}
}