/*
* 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;
import net.schmizz.sshj.common.DisconnectReason;
import net.schmizz.sshj.common.Message;
import net.schmizz.sshj.common.SSHException;
import net.schmizz.sshj.common.SSHPacket;
import net.schmizz.sshj.transport.Transport;
import net.schmizz.sshj.transport.TransportException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** An abstract class for {@link Service} that implements common or default functionality. */
public abstract class AbstractService
implements Service {
/** Logger */
protected final Logger log = LoggerFactory.getLogger(getClass());
/** Assigned name of this service */
protected final String name;
/** Transport layer */
protected final Transport trans;
/** Timeout for blocking operations */
protected int timeout;
public AbstractService(String name, Transport trans) {
this.name = name;
this.trans = trans;
timeout = trans.getTimeout();
}
@Override
public String getName() {
return name;
}
@Override
public void handle(Message msg, SSHPacket buf)
throws SSHException {
trans.sendUnimplemented();
}
@Override
public void notifyError(SSHException error) {
log.debug("Notified of {}", error.toString());
}
@Override
public void notifyUnimplemented(long seqNum)
throws SSHException {
throw new SSHException(DisconnectReason.PROTOCOL_ERROR, "Unexpected: SSH_MSG_UNIMPLEMENTED");
}
@Override
public void request()
throws TransportException {
final Service active = trans.getService();
if (!equals(active))
if (name.equals(active.getName()))
trans.setService(this);
else
trans.reqService(this);
}
public int getTimeout() {
return this.timeout;
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
}