static void Main(string[] args)
{
    var server = new SshServer();
    server.AddHostKey("ssh-rsa", "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");
    server.AddHostKey("ssh-dss", "BwIAAAAiAABEU1MyAAQAAG+6KQWB+crih2Ivb6CZsMe/7NHLimiTl0ap97KyBoBOs1amqXB8IRwI2h9A10R/v0BHmdyjwe0c0lPsegqDuBUfD2VmsDgrZ/i78t7EJ6Sb6m2lVQfTT0w7FYgVk3J1Deygh7UcbIbDoQ+refeRNM7CjSKtdR+/zIwO3Qub2qH+p6iol2iAlh0LP+cw+XlH0LW5YKPqOXOLgMIiO+48HZjvV67pn5LDubxru3ZQLvjOcDY0pqi5g7AJ3wkLq5dezzDOOun72E42uUHTXOzo+Ct6OZXFP53ZzOfjNw0SiL66353c9igBiRMTGn2gZ+au0jMeIaSsQNjQmWD+Lnri39n0gSCXurDaPkec+uaufGSG9tWgGnBdJhUDqwab8P/Ipvo5lS5p6PlzAQAAACqx1Nid0Ea0YAuYPhg+YolsJ/ce");
    server.ConnectionAccepted += server_ConnectionAccepted;

    server.Start();

    Task.Delay(-1).Wait();
}

static void server_ConnectionAccepted(object sender, Session e)
{
    Console.WriteLine("Accepted a client.");

    e.ServiceRegistered += e_ServiceRegistered;
}

static void e_ServiceRegistered(object sender, SshService e)
{
    var session = (Session)sender;
    Console.WriteLine("Session {0} requesting {1}.",
        BitConverter.ToString(session.SessionId).Replace("-", ""), e.GetType().Name);

    if (e is UserauthService)
    {
        var service = (UserauthService)e;
        service.Userauth += service_Userauth;
    }
    else if (e is ConnectionService)
    {
        var service = (ConnectionService)e;
        service.CommandOpened += service_CommandOpened;
        service.EnvReceived += service_EnvReceived;
        service.PtyReceived += service_PtyReceived;
        service.TcpForwardRequest += service_TcpForwardRequest;
        service.TcpData += service_TcpData;
    }
}

static void service_TcpForwardRequest(object sender, TcpRequestArgs e)
{
    Console.WriteLine("Received a request to forward data to {0}:{1}", e.Host, e.Port);

    e.OnClientData = (byte[] data) => 
    {
        var dataAsStr = Encoding.UTF8.GetString(data);
        Console.WriteLine("Received data: " + dataAsStr);
    };
    e.OnClientDisconnect = () =>
    {
        Console.WriteLine("Connection closed!");
    };

    Task.Run(() =>
    {
        while (!e.ClientReady())
        {
            Task.Delay(100).Wait();
        }

        var rand = new Random();
        var randomValue = rand.Next();
        e.OnServerData(Encoding.ASCII.GetBytes("OK " + randomValue));

        Task.Delay(5000).Wait();

        e.OnServerDisconnect();
    });
}

static void service_PtyReceived(object sender, PtyArgs e)
{
    Console.WriteLine("Request to create a PTY received for terminal type {0}", e.Terminal);
}

static void service_EnvReceived(object sender, EnvironmentArgs e)
{
    Console.WriteLine("Received environment variable {0}:{1}", e.Name, e.Value);
}

static void service_Userauth(object sender, UserauthArgs e)
{
    Console.WriteLine("Client {0} fingerprint: {1}.", e.KeyAlgorithm, e.Fingerprint);

    e.Result = true;
}

static void service_CommandOpened(object sender, SessionRequestedArgs e)
{
    Console.WriteLine("Channel {0} runs command: \"{1}\".", e.Channel.ServerChannelId, e.CommandText);

    var allow = true; // func(e.CommandText, e.AttachedUserauthArgs);

    if (!allow)
        return;

    var parser = new Regex(@"(?<cmd>git-receive-pack|git-upload-pack|git-upload-archive) \'/?(?<proj>.+)\.git\'");
    var match = parser.Match(e.CommandText);
    var command = match.Groups["cmd"].Value;
    var project = match.Groups["proj"].Value;

    var git = new GitService(command, project);

    e.Channel.DataReceived += (ss, ee) => git.OnData(ee);
    e.Channel.CloseReceived += (ss, ee) => git.OnClose();
    git.DataReceived += (ss, ee) => e.Channel.SendData(ee);
    git.CloseReceived += (ss, ee) => e.Channel.SendClose(ee);

    git.Start();
}