HttpEmulatorConsumerInitializer.java
/*
* Copyright (c) 2019, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.synapse.commons.emulator.http.consumer;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
import org.apache.synapse.commons.emulator.core.EmulatorType;
import org.apache.synapse.commons.emulator.http.ChannelPipelineInitializer;
import org.apache.synapse.commons.emulator.http.dsl.HttpConsumerContext;
public class HttpEmulatorConsumerInitializer {
private EventLoopGroup bossGroup;
private EventLoopGroup workerGroup;
private HttpConsumerContext consumerContext;
public HttpEmulatorConsumerInitializer(HttpConsumerContext consumerContext) {
this.consumerContext = consumerContext;
}
public void initialize() throws InterruptedException{
// Configure the server.
bossGroup = new NioEventLoopGroup(getCPUCoreSize());
workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap serverBootstrap = new ServerBootstrap();
ChannelPipelineInitializer channelPipelineInitializer =
new ChannelPipelineInitializer(null, EmulatorType.HTTP_CONSUMER);
channelPipelineInitializer.setConsumerContext(consumerContext);
serverBootstrap.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(channelPipelineInitializer);
ChannelFuture f = serverBootstrap.bind(consumerContext.getHost(), consumerContext.getPort())
.sync();
f.channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void shutdown() {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
private int getCPUCoreSize() {
return Runtime.getRuntime().availableProcessors();
}
}