// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License. Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
//
// Automatically generated by addcopyright.py at 04/03/2012
package com.cloud.agent.manager;
import java.nio.channels.ClosedChannelException;
import org.apache.log4j.Logger;
import com.cloud.agent.AgentManager;
import com.cloud.agent.api.Command;
import com.cloud.agent.transport.Request;
import com.cloud.exception.AgentUnavailableException;
import com.cloud.host.Status;
import com.cloud.utils.nio.Link;
/**
* ConnectedAgentAttache implements an direct connection to this management server.
*/
public class ConnectedAgentAttache extends AgentAttache {
private static final Logger s_logger = Logger.getLogger(ConnectedAgentAttache.class);
protected Link _link;
public ConnectedAgentAttache(AgentManagerImpl agentMgr, final long id, final Link link, boolean maintenance) {
super(agentMgr, id, maintenance);
_link = link;
}
@Override
public synchronized void send(Request req) throws AgentUnavailableException {
try {
_link.send(req.toBytes());
} catch (ClosedChannelException e) {
throw new AgentUnavailableException("Channel is closed", _id);
}
}
@Override
public synchronized boolean isClosed() {
return _link == null;
}
@Override
public void disconnect(final Status state) {
synchronized (this) {
s_logger.debug("Processing Disconnect.");
if (_link != null) {
_link.close();
_link.terminated();
}
_link = null;
}
cancelAllCommands(state, true);
_requests.clear();
}
@Override
public boolean equals(Object obj) {
try {
ConnectedAgentAttache that = (ConnectedAgentAttache) obj;
return super.equals(obj) && this._link == that._link && this._link != null;
} catch (ClassCastException e) {
assert false : "Who's sending an " + obj.getClass().getSimpleName() + " to " + this.getClass().getSimpleName() + ".equals()? ";
return false;
}
}
@Override
protected void finalize() throws Throwable {
try {
assert _link == null : "Duh...Says you....Forgot to call disconnect()!";
synchronized (this) {
if (_link != null) {
s_logger.warn("Lost attache " + _id);
disconnect(Status.Alert);
}
}
} finally {
super.finalize();
}
}
@Override
public void updatePassword(Command newPassword) {
throw new IllegalStateException("Should not have come here ");
}
}