com.intuit.karate.debug.DapServer Maven / Gradle / Ivy
/*
* The MIT License
*
* Copyright 2019 Intuit Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.intuit.karate.debug;
import com.intuit.karate.FileUtils;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import java.io.File;
import java.net.InetSocketAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author pthomas3
*/
public class DapServer {
private static final Logger logger = LoggerFactory.getLogger(DapServer.class);
private final EventLoopGroup bossGroup;
private final EventLoopGroup workerGroup;
private final Channel channel;
private final String host;
private final int port;
private final boolean exitAfterDisconnect;
public int getPort() {
return port;
}
public boolean exitAfterDisconnect() {
return exitAfterDisconnect;
}
public void waitSync() {
try {
channel.closeFuture().sync();
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public void stop() {
logger.info("stop: shutting down");
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
logger.info("stop: shutdown complete");
}
public DapServer(int requestedPort) {
this(requestedPort, true);
}
public DapServer(int requestedPort, boolean exitAfterDisconnect) {
bossGroup = new NioEventLoopGroup(1);
workerGroup = new NioEventLoopGroup();
this.exitAfterDisconnect = exitAfterDisconnect;
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
// .handler(new LoggingHandler(getClass().getName(), LogLevel.TRACE))
.childHandler(new ChannelInitializer() {
@Override
protected void initChannel(Channel c) {
ChannelPipeline p = c.pipeline();
p.addLast(new DapDecoder());
p.addLast(new DapEncoder());
p.addLast(new DapServerHandler(DapServer.this));
}
});
channel = b.bind(requestedPort).sync().channel();
InetSocketAddress isa = (InetSocketAddress) channel.localAddress();
host = "127.0.0.1"; //isa.getHostString();
port = isa.getPort();
logger.info("debug server started on port: {}", port);
String buildDir = FileUtils.getBuildDir();
FileUtils.writeToFile(new File(buildDir + File.separator + "karate-debug-port.txt"), port + "");
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}