static async Task RunClientAsync()
{
UsualHelper.SetConsoleLogger();
var group = new MultithreadEventLoopGroup();
X509Certificate2 cert = null;
string targetHost = null;
if (ClientSettings.IsSsl)
{
cert = new X509Certificate2(Path.Combine(UsualHelper.ProcessDirectory, "dotnetty.com.pfx"), "password");
targetHost = cert.GetNameInfo(X509NameType.DnsName, false);
}
try
{
var bootstrap = new Bootstrap();
bootstrap
.Group(group)
.Channel <TcpSocketChannel>()
.Option(ChannelOption.TcpNodelay, true)
.Handler(new ActionChannelInitializer <ISocketChannel>(channel =>
{
IChannelPipeline pipeline = channel.Pipeline;
if (cert != null)
{
pipeline.AddLast("tls", new TlsHandler(stream => new SslStream(stream, true, (sender, certificate, chain, errors) => true), new ClientTlsSettings(targetHost)));
}
pipeline.AddLast(new LoggingHandler());
pipeline.AddLast("framing-enc", new LengthFieldPrepender(2));
pipeline.AddLast("framing-dec", new LengthFieldBasedFrameDecoder(ushort.MaxValue, 0, 2, 0, 2));
pipeline.AddLast("echo", new WorkClientHandler());
}));
IChannel clientChannel = await bootstrap.ConnectAsync(new IPEndPoint(ClientSettings.Host, ClientSettings.Port));
Console.ReadLine();
await clientChannel.CloseAsync();
}
finally
{
await group.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1));
}
}
public static async Task RunServerAsync()
{
//设置输出日志到Console
UsualHelper.SetConsoleLogger();
// 主工作线程组，设置为1个线程
var bossGroup = new MultithreadEventLoopGroup(1);
// 工作线程组，默认为内核数*2的线程数
var workerGroup = new MultithreadEventLoopGroup();
X509Certificate2 tlsCertificate = null;
if (SevSettings.IsSsl) //如果使用加密通道
{
tlsCertificate = new X509Certificate2(Path.Combine(UsualHelper.ProcessDirectory, "dotnetty.com.pfx"), "password");
}
try
{
//声明一个服务端Bootstrap，每个Netty服务端程序，都由ServerBootstrap控制，
//通过链式的方式组装需要的参数
var bootstrap = new ServerBootstrap();
bootstrap
.Group(bossGroup, workerGroup) // 设置主和工作线程组
.Channel <TcpServerSocketChannel>() // 设置通道模式为TcpSocket
.Option(ChannelOption.SoBacklog, 100) // 设置网络IO参数等，这里可以设置很多参数，当然你对网络调优和参数设置非常了解的话，你可以设置，或者就用默认参数吧
.Handler(new LoggingHandler("SRV-LSTN")) //在主线程组上设置一个打印日志的处理器
.ChildHandler(new ActionChannelInitializer <ISocketChannel>(channel =>
{
//工作线程连接器 是设置了一个管道，服务端主线程所有接收到的信息都会通过这个管道一层层往下传输
//同时所有出栈的消息 也要这个管道的所有处理器进行一步步处理
var pipeline = channel.Pipeline;
if (tlsCertificate != null) //Tls的加解密
{
pipeline.AddLast("tls", TlsHandler.Server(tlsCertificate));
}
//日志拦截器
pipeline.AddLast(new LoggingHandler("SRV-CONN"));
//出栈消息，通过这个handler 在消息顶部加上消息的长度
pipeline.AddLast("framing-enc", new LengthFieldPrepender(2));
//入栈消息通过该Handler,解析消息的包长信息，并将正确的消息体发送给下一个处理Handler，该类比较常用，后面单独说明
pipeline.AddLast("framing-dec", new LengthFieldBasedFrameDecoder(ushort.MaxValue, 0, 2, 0, 2));
//业务handler ，这里是实际处理Echo业务的Handler
pipeline.AddLast("echo", new WorkServerHandler());
}));
// bootstrap绑定到指定端口的行为 就是服务端启动服务，同样的Serverbootstrap可以bind到多个端口
var boundChannel = await bootstrap.BindAsync(SevSettings.Port);
Console.ReadLine();
//关闭服务
await boundChannel.CloseAsync();
}
finally
{
//释放工作组线程
await Task.WhenAll(
bossGroup.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1)),
workerGroup.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1)));
}
}
