using System;
using System.Text;
using System.Threading.Tasks;
using DotNetty.Transport.Bootstrapping;
using DotNetty.Transport.Channels;
using DotNetty.Transport.Channels.Sockets;
using DotNetty.Codecs;
using System.Net;
using System.Security.Cryptography.X509Certificates;
using System.IO;
using DotNetty.Handlers.Tls;
using System.Net.Security;
using System.Threading;

namespace nettyCommunication
{
    public class ClientDemo
    {
        public static async Task RunClientAsync()
        {
            var group = new MultithreadEventLoopGroup();

            X509Certificate2 cert = null;
            string targetHost = null;
            if (ClientSettings.IsSsl)
            {
                cert = new X509Certificate2(Path.Combine(ConfigurationTools.ProcessDirectory, "dotnetty.com.pfx"), "password");
                targetHost = cert.GetNameInfo(X509NameType.DnsName, false);
            }

            try
            {
                Bootstrap bootstrap = new Bootstrap();
                bootstrap
                    .Group(group)
                    .Channel<TcpSocketChannel>()
                    .Option(ChannelOption.TcpNodelay, true)
                    .Handler(new ActionChannelInitializer<ISocketChannel>(channel =>
                    {
                        IChannelPipeline pipeline = channel.Pipeline;
                        pipeline.AddLast(new ClientDemoHandler());
                    }));


                IChannel bootstrapChannel = await bootstrap.ConnectAsync(new IPEndPoint(ClientSettings.Host, ClientSettings.Port));

                Console.WriteLine("连接已建立，已执行完channelActive，如果buffer有数据，然后切换到ChannelRead");
                Console.WriteLine("ClientDemo RunClientAsync()方法中等待输入:切换到ChannelRead.请输入任意字符：");

                //Console.WriteLine("next执行连接关闭");
                await bootstrapChannel.CloseAsync();

            }
            finally
            {
               // Console.WriteLine("连接不能关闭呀");
               //group.ShutdownGracefullyAsync().Wait(1000);
                //await group.ShutdownGracefullyAsync();
            }
        }
     

    }
}