# encoding: ascii # api: powershell # title: TCP Client/Server # description: An example of a client/server that works in PowerShell # version: 0.1 # type: function # author: Joel Bennett # license: CC0 # function: listen-port # x-poshcode-id: 4601 # x-archived: 2017-02-21T09:09:44 # x-published: 2014-11-11T18:16:00 # # function listen-port ($port=8989) { $endpoint = new-object System.Net.IPEndPoint ([system.net.ipaddress]::any, $port) $listener = new-object System.Net.Sockets.TcpListener $endpoint $listener.start() do { $client = $listener.AcceptTcpClient() # will block here until connection $stream = $client.GetStream(); $reader = New-Object System.IO.StreamReader $stream do { $line = $reader.ReadLine() write-host $line -fore cyan } while ($line -and $line -ne ([char]4)) $reader.Dispose() $stream.Dispose() $client.Dispose() } while ($line -ne ([char]4)) $listener.stop() } function send-msg ($message=$([char]4), $port=8989, $server="localhost") { $client = New-Object System.Net.Sockets.TcpClient $server, $port $stream = $client.GetStream() $writer = New-Object System.IO.StreamWriter $stream $writer.Write($message) $writer.Dispose() $stream.Dispose() $client.Dispose() }