ssh-test.cs

using System;
using System.Diagnostics;
using System.Threading.Tasks;
using System.Timers;
using Renci.SshNet;

namespace SshNetWaitHandleIssue
{
    class Program
    {
        private static SshClient _client;
        private static Task _task;
        private static Timer _timer;
        private static int _counter;

        static void Main()
        {
            _client = new SshClient(res.host, int.Parse(res.port), res.user, res.password);
            _client.ErrorOccurred += _client_ErrorOccurred;
            _timer = new Timer(500);
            _timer.Elapsed += _timer_Elapsed;
            _counter = 0;

            try
            {
                _client.Connect();
                _timer.Start();
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception);
                Debug.WriteLine(exception);
            }

            Console.WriteLine(@"Enter to Exit");
            Console.ReadLine();
            _timer.Stop();
            if (_client != null && _client.IsConnected)
                _client.Disconnect();
        }

        static void _client_ErrorOccurred(object sender, Renci.SshNet.Common.ExceptionEventArgs e)
        {
            Console.Write("Error-Occured");
            Console.WriteLine(e.Exception);
            Debug.WriteLine(e.Exception);
        }

        static void _timer_Elapsed(object sender, ElapsedEventArgs e)
        {
            if (_task != null && !_task.IsCompleted)
            {
                Console.WriteLine(@"Task still running");
                return;
            }

            _task = Task.Factory.StartNew(() =>
            {
                try
                {
                    if (_client == null || !_client.IsConnected)
                    {
                        Console.WriteLine(@"Client null or not connected");
                        _timer.Stop();
                        return;
                    }

                    _counter++;

                    Console.WriteLine("Run: {0}", _counter);

                    using (var shell = _client.CreateShellStream("dumb", 80, 80, 640, 480, 0))
                    {
                        Console.WriteLine("Line: " + shell.ReadLine());
                    }
                    //Console.WriteLine(_client.RunCommand("ls -l").Result);
                }
                catch (Exception exception)
                {
                    Console.WriteLine(exception);
                    Debug.WriteLine(exception);
                    _timer.Stop();
                }
            });
        }
    }
}