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在C#中使用Netty,通常会使用其C#版本的实现库,如DotNetty。以下是使用DotNetty的基本方法:
引入DotNetty库: 首先需要在项目中引入DotNetty的NuGet包。可以在Visual Studio中搜索并安装DotNetty的NuGet包。
创建服务器端: 使用DotNetty创建服务器端需要定义一个Bootstrap对象,并设置相应的参数,如端口号、处理器等。然后调用Bootstrap的BindAsync方法启动服务器。
var bossGroup = new MultithreadEventLoopGroup(1); var workerGroup = new MultithreadEventLoopGroup(); try { var bootstrap = new ServerBootstrap() .Group(bossGroup, workerGroup) .Channel<TcpServerSocketChannel>() .ChildHandler(new ActionChannelInitializer<IChannel>(channel => { var pipeline = channel.Pipeline; pipeline.AddLast(new LoggingHandler("SRV-CONN")); pipeline.AddLast(new ServerHandler()); })); var channel = await bootstrap.BindAsync(new IPEndPoint(IPAddress.Any, 8080)); Console.WriteLine($"Server started on {channel.LocalAddress}"); await channel.CloseCompletion; } finally { await Task.WhenAll( bossGroup.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1)), workerGroup.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1)) ); }
- 创建客户端: 使用DotNetty创建客户端也需要定义一个Bootstrap对象,设置相应参数,如服务器地址、端口号、处理器等。然后调用Bootstrap的ConnectAsync方法连接服务器。
var group = new MultithreadEventLoopGroup(); try { var bootstrap = new Bootstrap() .Group(group) .Channel<TcpSocketChannel>() .Handler(new ActionChannelInitializer<IChannel>(channel => { var pipeline = channel.Pipeline; pipeline.AddLast(new LoggingHandler("CLI-CONN")); pipeline.AddLast(new ClientHandler()); })); var channel = await bootstrap.ConnectAsync(new IPEndPoint(IPAddress.Loopback, 8080)); Console.WriteLine($"Client connected to {channel.RemoteAddress}"); await channel.CloseCompletion; } finally { await group.ShutdownGracefullyAsync(TimeSpan.FromMilliseconds(100), TimeSpan.FromSeconds(1)); }
在以上示例中,ServerHandler和ClientHandler是自定义的处理器,用于处理收到的数据。通过设置处理器,可以实现具体业务逻辑。
总的来说,使用Netty的C#版本DotNetty,通过创建Bootstrap对象来定义服务器端和客户端,设置相应参数和处理器,然后启动服务器或连接服务器,从而实现网络通信功能。