System.Net.Sockets.Socket.Worker.Connect C# (CSharp) Method

			public void Connect ()
			{
				/* If result.EndPoint is non-null,
				 * this is the standard one-address
				 * connect attempt.  Otherwise
				 * Addresses must be non-null and
				 * contain a list of addresses to try
				 * to connect to; the first one to
				 * succeed causes the rest of the list
				 * to be ignored.
				 */
				if (result.EndPoint != null) {
					try {
						if (!result.Sock.Blocking) {
							int success;
							result.Sock.Poll (-1, SelectMode.SelectWrite, out success);
							if (success == 0) {
								result.Sock.seed_endpoint = result.EndPoint;
								result.Sock.connected = true;
							} else {
								result.Complete (new SocketException (success));
								return;
							}
						} else {
							result.Sock.seed_endpoint = result.EndPoint;
							result.Sock.Connect (result.EndPoint);
							result.Sock.connected = true;
						}
					} catch (Exception e) {
						result.Complete (e);
						return;
					}

					result.Complete ();
				} else if (result.Addresses != null) {
					int error = (int) SocketError.InProgress; // why?
					foreach(IPAddress address in result.Addresses) {
						IPEndPoint iep = new IPEndPoint (address, result.Port);
						SocketAddress serial = iep.Serialize ();
						Socket.Connect_internal (result.Sock.socket, serial, out error);
						if (error == 0) {
							result.Sock.connected = true;
							result.Sock.seed_endpoint = iep;
							result.Complete ();
							return;
						} else if (error != (int)SocketError.InProgress &&
							   error != (int)SocketError.WouldBlock) {
							continue;
						}

						if (!result.Sock.Blocking) {
							int success;
							result.Sock.Poll (-1, SelectMode.SelectWrite, out success);
							if (success == 0) {
								result.Sock.connected = true;
								result.Sock.seed_endpoint = iep;
								result.Complete ();
								return;
							}
						}
					}
					result.Complete (new SocketException (error));
				} else {
					result.Complete (new SocketException ((int)SocketError.AddressNotAvailable));
				}
			}