====== TCPクライアント ======
[[:powershell|一つ上へ]]

<code powershell>

$port = 9998
$target = "127.0.0.1" # 140.83.34.242

$buffer = Read-Host "Input"

# クライアント
$client = [System.Net.Sockets.TcpClient]::new()

try {
    # ターゲットホストへの接続
    Write-Host "Connect to $target : $port"
    Write-Host "$buffer"
    # バイト列に変換
    $bytesSend = [System.Text.Encoding]::UTF8.GetBytes($buffer)

    $client.Connect($target, $port)
    $stream = $client.GetStream()
    $stream.Write($bytesSend, 0, $bytesSend.Length)


    # ターゲットホストからの接続を待機
    $recv_len = 1
    $response = ""

    # 受信データがなくなるまでデータを受信する
    $receiveBuffer = New-Object byte[] 4096
    $byteRead = $stream.Read($receiveBuffer, 0, $receiveBuffer.Length)
    $data = [System.Text.Encoding]::UTF8.GetString($receiveBuffer, 0, $byteRead)
    Write-Host "Received: $data"


} catch {
    Write-Host "Exception, Exitting."
} finally {
    # 接続のクローズ処理
    $stream.Close()
    $client.Close()
}
</code>

===== 受け取り方 =====

<code powershell>
    try {
        # ターゲットホストへの接続
        $client.Connect($target, $port)
        $stream = $client.GetStream()
        $stream.Write($bytesSend, 0, $bytesSend.Length)

        # 受信データがなくなるまで受信
        $receiveBuffer = New-Object byte[] 4096
        $responseBytes = New-Object System.Collections.Generic.List[byte]

        while (($byteRead = $stream.Read($receiveBuffer, 0, $receiveBuffer.Length)) -gt 0) {
            $responseBytes.AddRange([System.ArraySegment[byte]]::new($receiveBuffer, 0, $byteRead))

            # 残りのデータがあるか判定
            if (-not $stream.DataAvailable) { break }
        }

        # デコードして表示する
        $response = [System.Text.Encoding]::UTF8.GetString($responseBytes.ToArray())
        Write-Host "Received: $response"
    } catch {
        Write-Host "Exception, Exitting."
        Write-Host "$_"
    } finally {
        # クローズ処理
        if ($stream) {$stream.Close()}
        if ($client) {$client.Close()}
    }
</code>