/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.cloudstack.framework.client;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.apache.cloudstack.framework.serializer.MessageSerializer;
import org.apache.cloudstack.framework.transport.TransportEndpoint;
import org.apache.cloudstack.framework.transport.TransportEndpointSite;
import org.apache.cloudstack.framework.transport.TransportProvider;
import org.apache.cloudstack.managed.context.ManagedContextRunnable;
import com.cloud.utils.concurrency.NamedThreadFactory;
public class ClientTransportProvider implements TransportProvider {
public static final int DEFAULT_WORKER_POOL_SIZE = 5;
private Map<Integer, ClientTransportEndpointSite> _endpointSites = new HashMap<Integer, ClientTransportEndpointSite>();
private Map<String, ClientTransportEndpointSite> _attachedMap = new HashMap<String, ClientTransportEndpointSite>();
private MessageSerializer _messageSerializer;
private ClientTransportConnection _connection;
private String _serverAddress;
private int _serverPort;
private int _poolSize = DEFAULT_WORKER_POOL_SIZE;
private ExecutorService _executor;
private int _nextProviderKey = 1;
public ClientTransportProvider() {
}
public ClientTransportProvider setPoolSize(int poolSize) {
_poolSize = poolSize;
return this;
}
public void initialize(String serverAddress, int serverPort) {
_serverAddress = serverAddress;
_serverPort = serverPort;
_executor = Executors.newFixedThreadPool(_poolSize, new NamedThreadFactory("Transport-Worker"));
_connection = new ClientTransportConnection(this);
_executor.execute(new ManagedContextRunnable() {
@Override
protected void runInContext() {
try {
_connection.connect(_serverAddress, _serverPort);
} catch (Throwable e) {
}
}
});
}
@Override
public TransportEndpointSite attach(TransportEndpoint endpoint, String predefinedAddress) {
ClientTransportEndpointSite endpointSite;
synchronized (this) {
endpointSite = getEndpointSite(endpoint);
if (endpointSite != null) {
// already attached
return endpointSite;
}
endpointSite = new ClientTransportEndpointSite(this, endpoint, predefinedAddress, getNextProviderKey());
_endpointSites.put(endpointSite.getProviderKey(), endpointSite);
}
return endpointSite;
}
@Override
public boolean detach(TransportEndpoint endpoint) {
// TODO Auto-generated method stub
return false;
}
@Override
public void setMessageSerializer(MessageSerializer messageSerializer) {
assert (messageSerializer != null);
_messageSerializer = messageSerializer;
}
@Override
public MessageSerializer getMessageSerializer() {
return _messageSerializer;
}
@Override
public void requestSiteOutput(TransportEndpointSite site) {
// ???
}
@Override
public void sendMessage(String soureEndpointAddress, String targetEndpointAddress, String multiplexier, String message) {
// TODO
}
private ClientTransportEndpointSite getEndpointSite(TransportEndpoint endpoint) {
synchronized (this) {
for (ClientTransportEndpointSite endpointSite : _endpointSites.values()) {
if (endpointSite.getEndpoint() == endpoint)
return endpointSite;
}
}
return null;
}
public int getNextProviderKey() {
synchronized (this) {
return _nextProviderKey++;
}
}
}