/// <summary>
/// Connect to the first ip address of the host the match the address family
/// </summary>
/// <param name="socket"></param>
/// <param name="host">Host name to resolve</param>
/// <param name="port">Port to connect</param>
public static void Connect(this AsyncSocket socket, string host, int port)
{
if (host == null)
{
throw new ArgumentNullException("host");
}
if (port < 0 || port > 65535)
{
throw new ArgumentOutOfRangeException("port");
}
#if NETSTANDARD1_3
var ipAddress = Dns.GetHostAddressesAsync(host).Result.FirstOrDefault(ip =>
ip.AddressFamily == socket.AddressFamily ||
(socket.AddressFamily == AddressFamily.InterNetworkV6 && socket.DualMode && ip.AddressFamily == AddressFamily.InterNetwork));
#else
var ipAddress = Dns.GetHostAddresses(host).FirstOrDefault(ip =>
ip.AddressFamily == socket.AddressFamily ||
(socket.AddressFamily == AddressFamily.InterNetworkV6 && socket.DualMode && ip.AddressFamily == AddressFamily.InterNetwork));
#endif
if (ipAddress != null)
{
socket.Connect(ipAddress, port);
}
else
{
throw new ArgumentException("invalid host", "host");
}
}
/// <summary>
/// Internal function to start the actual connection establishment.
/// </summary>
private void StartConnecting()
{
Debug.Assert(m_s == null);
// Create the socket.
try
{
m_s = AsyncSocket.Create(m_addr.Resolved.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
}
catch (SocketException)
{
AddReconnectTimer();
return;
}
m_ioObject.AddSocket(m_s);
m_handleValid = true;
// Connect to the remote peer.
try
{
m_s.Connect(m_addr.Resolved.Address.Address, m_addr.Resolved.Address.Port);
m_socket.EventConnectDelayed(m_endpoint, ErrorCode.InProgress);
}
catch (SocketException ex)
{
OutCompleted(ex.SocketErrorCode, 0);
}
}
public static void Connect(this AsyncSocket socket, IPAddress ipAddress, int port)
{
socket.Connect(new IPEndPoint(ipAddress, port));
}
/// <summary>
/// Internal function to start the actual connection establishment.
/// </summary>
private void StartConnecting()
{
Debug.Assert(m_s == null);
// Create the socket.
try
{
m_s = AsyncSocket.Create(m_addr.Resolved.Address.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
}
catch (SocketException)
{
AddReconnectTimer();
return;
}
m_ioObject.AddSocket(m_s);
m_handleValid = true;
// Connect to the remote peer.
try
{
m_s.Connect(m_addr.Resolved.Address.Address, m_addr.Resolved.Address.Port);
m_socket.EventConnectDelayed(m_endpoint, ErrorCode.InProgress);
}
catch (SocketException ex)
{
OutCompleted(ex.SocketErrorCode, 0);
}
// TerminatingException can occur in above call to EventConnectDelayed via
// MonitorEvent.Write if corresponding PairSocket has been sent Term command
catch (TerminatingException)
{}
}