多進程C#中的管道通信實現

在C#中，可以使用System.IO.Pipes命名空間中的類來實現管道通信

服務器端代碼：

using System;
using System.IO.Pipes;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (var server = new NamedPipeServerStream("MyPipe"))
        {
            Console.WriteLine("Waiting for client connection...");
            await server.WaitForConnectionAsync();
            Console.WriteLine("Client connected.");

            var buffer = new byte[1024];
            var readBytes = await server.ReadAsync(buffer, 0, buffer.Length);
            var message = Encoding.UTF8.GetString(buffer, 0, readBytes);
            Console.WriteLine($"Received message: {message}");

            var response = "Hello from server!";
            var responseBuffer = Encoding.UTF8.GetBytes(response);
            await server.WriteAsync(responseBuffer, 0, responseBuffer.Length);
            Console.WriteLine("Sent response to client.");
        }
    }
}

客戶端代碼：

using System;
using System.IO.Pipes;
using System.Text;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (var client = new NamedPipeClientStream(".", "MyPipe", PipeDirection.InOut))
        {
            Console.WriteLine("Connecting to server...");
            await client.ConnectAsync();
            Console.WriteLine("Connected to server.");

            var message = "Hello from client!";
            var messageBuffer = Encoding.UTF8.GetBytes(message);
            await client.WriteAsync(messageBuffer, 0, messageBuffer.Length);
            Console.WriteLine("Sent message to server.");

            var buffer = new byte[1024];
            var readBytes = await client.ReadAsync(buffer, 0, buffer.Length);
            var response = Encoding.UTF8.GetString(buffer, 0, readBytes);
            Console.WriteLine($"Received response: {response}");
        }
    }
}

這個示例中，服務器端和客戶端都使用了異步方法來讀取和寫入數據。首先，服務器端創建一個NamedPipeServerStream實例并等待客戶端連接。客戶端使用NamedPipeClientStream連接到服務器。然后，客戶端向服務器發送一條消息，服務器接收到消息后回復一條響應。客戶端接收到響應后輸出到控制臺。