/*
* Copyright 2011 The Netty Project
*
* The Netty Project 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 io.netty.example.objectecho;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
import io.netty.bootstrap.ClientBootstrap;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPipelineFactory;
import io.netty.channel.Channels;
import io.netty.channel.socket.nio.NioClientSocketChannelFactory;
import io.netty.example.echo.EchoClient;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;
/**
* Modification of {@link EchoClient} which utilizes Java object serialization.
*/
public class ObjectEchoClient {
private final String host;
private final int port;
private final int firstMessageSize;
public ObjectEchoClient(String host, int port, int firstMessageSize) {
this.host = host;
this.port = port;
this.firstMessageSize = firstMessageSize;
}
public void run() {
// Configure the client.
ClientBootstrap bootstrap = new ClientBootstrap(
new NioClientSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
// Set up the pipeline factory.
bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
public ChannelPipeline getPipeline() throws Exception {
return Channels.pipeline(
new ObjectEncoder(),
new ObjectDecoder(),
new ObjectEchoClientHandler(firstMessageSize));
}
});
// Start the connection attempt.
bootstrap.connect(new InetSocketAddress(host, port));
}
public static void main(String[] args) throws Exception {
// Print usage if no argument is specified.
if (args.length < 2 || args.length > 3) {
System.err.println(
"Usage: " + ObjectEchoClient.class.getSimpleName() +
" <host> <port> [<first message size>]");
return;
}
// Parse options.
final String host = args[0];
final int port = Integer.parseInt(args[1]);
final int firstMessageSize;
if (args.length == 3) {
firstMessageSize = Integer.parseInt(args[2]);
} else {
firstMessageSize = 256;
}
new ObjectEchoClient(host, port, firstMessageSize).run();
}
}