/*
* 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.sctp;
import io.netty.bootstrap.ClientBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.ChannelPipelineFactory;
import io.netty.channel.Channels;
import io.netty.channel.sctp.SctpClientSocketChannelFactory;
import io.netty.handler.execution.ExecutionHandler;
import io.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor;
import java.net.InetSocketAddress;
import java.util.concurrent.Executors;
/**
* Simple SCTP Echo Client
*/
public class SctpClient {
private final String host;
private final int port;
public SctpClient(String host, int port) {
this.host = host;
this.port = port;
}
public void run() {
// Configure the client.
ClientBootstrap bootstrap = new ClientBootstrap(
new SctpClientSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool()));
final ExecutionHandler executionHandler = new ExecutionHandler(
new OrderedMemoryAwareThreadPoolExecutor(16, 1048576, 1048576));
// Set up the pipeline factory.
bootstrap.setPipelineFactory(new ChannelPipelineFactory() {
@Override
public ChannelPipeline getPipeline() throws Exception {
return Channels.pipeline(executionHandler, new SctpClientHandler());
}
});
bootstrap.setOption("sendBufferSize", 1048576);
bootstrap.setOption("receiveBufferSize", 1048576);
bootstrap.setOption("sctpNoDelay", true);
// Start the connection attempt.
ChannelFuture future = bootstrap.connect(new InetSocketAddress(host, port));
// Wait until the connection is closed or the connection attempt fails.
future.getChannel().getCloseFuture().awaitUninterruptibly();
// Please check SctpClientHandler to see, how echo message is sent & received
// Shut down thread pools to exit.
bootstrap.releaseExternalResources();
}
public static void main(String[] args) throws Exception {
// Print usage if no argument is specified.
if (args.length != 2) {
System.err.println(
"Usage: " + SctpClient.class.getSimpleName() +
" <host> <port>");
return;
}
// Parse options.
final String host = args[0];
final int port = Integer.parseInt(args[1]);
final int firstMessageSize;
new SctpClient(host, port).run();
}
}