【Powershell】Powershell实现TCP通讯

$tcpClientType = @"
using System;
using System.Text;
using System.Net;
using System.Net.Sockets;

public class TcpClientExample
{
    public void Run()
    {
        // 服务器IP和端口
        string serverIP = "127.0.0.1";
        int serverPort = 12345;

        // 创建TCP客户端
        TcpClient client = new TcpClient();

        try
        {
            // 连接服务器
            client.Connect(serverIP, serverPort);

            // 获取网络流
            NetworkStream stream = client.GetStream();

            // 发送数据
            string message = "Hello, server!";
            byte[] data = Encoding.ASCII.GetBytes(message);
            stream.Write(data, 0, data.Length);
            Console.WriteLine("Sent: " + message);

            // 接收数据
            data = new byte[1024];
            int bytesRead = stream.Read(data, 0, data.Length);
            string response = Encoding.ASCII.GetString(data, 0, bytesRead);
            Console.WriteLine("Received: " + response);
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
        finally
        {
            // 关闭连接
            client.Close();
        }
    }
}
"@

# 编译类型定义为程序集
Add-Type -TypeDefinition $tcpClientType

# 创建对象并调用自定义方法
$tcpClient = New-Object -TypeName TcpClientExample
$tcpClient.Run()

# TCP 服务器
# 创建侦听
$port = 12345
$listener = New-Object System.Net.Sockets.TcpListener([System.Net.IPAddress]::Any, $port) # 创建TCP侦听
$listener.Start() # 启动侦听

$tcpClient = $listener.AcceptTcpClient()  # 等待 客户端建立连接后才会继续
$stream = $tcpClient.GetStream()

$buffer = New-Object byte[] 1024
$bytesRead = $stream.Read($buffer, 0, $buffer.Length) # 等待 客户端在stream中write数据后才会继续
$datafromclient = [System.Text.Encoding]::ASCII.GetString($buffer, 0, $bytesRead) #byte to string
Write-Host $datafromclient

$stream.Write([System.Text.Encoding]::ASCII.GetBytes("Hello, client!"), 0, 14) # 将要发送到Cliet的byte流写进stream

$stream.Close()
$tcpClient.Close()
$listener.Stop()

# TCP 客户端
# 建立连接
$serverip = "192.168.11.199"
$port = 12345
$tcpClient = New-Object System.Net.Sockets.TcpClient
$tcpClient.Connect($serverip, $port)

$stream = $tcpClient.GetStream()   # 获取流
$buffer = [System.Text.Encoding]::ASCII.GetBytes("Hello, server!") # 将要发送的数据转变为Byte
$stream.Write($buffer, 0, $buffer.Length) #将byte流写进stream

$buffer = New-Object byte[] 1024  # 创建buffer
$bytesRead = $stream.Read($buffer, 0, $buffer.Length) # 等待 当服务端将数据write到stream中之后才会继续；将stream中的byte读出来，读取长度是buffer的长度
$datafromserver = [System.Text.Encoding]::ASCII.GetString($buffer, 0, $bytesRead) # 将从stream中读取的的byte转换成string
Write-Host $datafromserver

$stream.Close() # 关闭stream
$tcpClient.Close() # 关闭连接