Extension methods for the C# Socket class.

using System;
using System.Net;
using System.Net.Sockets;

/// <summary>
/// Extensions to Socket class
/// </summary>
public static class SocketExtensions
{
    /// <summary>
    /// Connects the specified socket.
    /// </summary>
    /// <param name="socket">The socket.</param>
    /// <param name="host">The host.</param>
    /// <param name="port">The port.</param>
    /// <param name="timeout">The timeout.</param>
    public static void Connect(this Socket socket, string host, int port, TimeSpan timeout)
    {
        AsyncConnect(socket, (s, a, o) => s.BeginConnect(host, port, a, o), timeout);
    }

    /// <summary>
    /// Connects the specified socket.
    /// </summary>
    /// <param name="socket">The socket.</param>
    /// <param name="addresses">The addresses.</param>
    /// <param name="port">The port.</param>
    /// <param name="timeout">The timeout.</param>
    public static void Connect(this Socket socket, IPAddress[] addresses, int port, TimeSpan timeout)
    {
        AsyncConnect(socket, (s, a, o) => s.BeginConnect(addresses, port, a, o), timeout);
    }

    /// <summary>
    /// Asyncs the connect.
    /// </summary>
    /// <param name="socket">The socket.</param>
    /// <param name="connect">The connect.</param>
    /// <param name="timeout">The timeout.</param>
    private static void AsyncConnect(Socket socket, Func<Socket, AsyncCallback, object, IAsyncResult> connect,
                                     TimeSpan timeout)
    {
        var asyncResult = connect(socket, null, null);
        if (!asyncResult.AsyncWaitHandle.WaitOne(timeout))
        {
            try
            {
                socket.EndConnect(asyncResult);
            }
            catch (SocketException)
            { }
            catch (ObjectDisposedException)
            { }
        }
    }