/// <summary>
/// Closes the connection
/// </summary>
public override void Close()
{
if (!IsDisposed)
{
try
{
Send(EndStream);
}
// TODO: empty try-catch bad, martial arts good
// ReSharper disable EmptyGeneralCatchClause
catch
// ReSharper restore EmptyGeneralCatchClause
{
}
finally
{
if (tlsProceedEvent != null)
{
tlsProceedEvent.Set();
tlsProceedEvent = null;
}
if (networkStream != null)
{
networkStream.Dispose();
networkStream = null;
}
if (socket != null)
{
socket.Close();
socket = null;
}
if (inputBuffer != null)
{
inputBuffer.Dispose();
inputBuffer = null;
}
if (parser != null)
{
parser.Dispose();
parser = null;
}
}
base.Close();
}
}
/// <summary>
/// Opens the connection to the XMPP server.
/// </summary>
private void Connect()
{
try
{
if (ConnectionString.ResolveHostName)
{
// ReSharper disable RedundantBaseQualifier
base.ResolveHostName();
// ReSharper restore RedundantBaseQualifier
}
var hostadd = Dns.GetHostEntry(HostName).AddressList[0];
var hostEndPoint = new IPEndPoint(hostadd, ConnectionString.PortNumber);
socket = new ProxySocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
if (ConnectionString.UseProxy)
{
IPAddress proxyadd = Dns.GetHostEntry(ConnectionString.ProxyServer).AddressList[0];
var proxyEndPoint = new IPEndPoint(proxyadd, ConnectionString.ProxyPortNumber);
switch (ConnectionString.ProxyType)
{
case "SOCKS4":
socket.ProxyType = ProxyTypes.Socks4;
break;
case "SOCKS5":
socket.ProxyType = ProxyTypes.Socks5;
break;
default:
socket.ProxyType = ProxyTypes.None;
break;
}
socket.ProxyEndPoint = proxyEndPoint;
socket.ProxyUser = ConnectionString.ProxyUserName;
if (!String.IsNullOrWhiteSpace(ConnectionString.ProxyPassword))
{
socket.ProxyPass = ConnectionString.ProxyPassword;
}
}
// Disables the Nagle algorithm for send coalescing.
socket.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, 1);
// Make the socket to connect to the Server
socket.Connect(hostEndPoint);
// Create the Stream Instance
networkStream = new NetworkStream(socket, false);
}
catch (Exception ex)
{
throw new XmppException(
String.Format("Unable to connect to XMPP server {0}", ConnectionString.HostName), ex);
}
}