/// <summary>
/// Indicates whether the string is well-formed by attempting to
/// construct a URI with the string.
/// </summary>
/// <param name="uriString">A URI.</param>
/// <param name="uriKind">The type of the URI in
/// <paramref name="uriString"/>.</param>
/// <returns>
/// <itemref>true</itemref> if the string was well-formed in accordance
/// with RFC 2396 and RFC 2732; otherwise <itemref>false</itemref>.
/// </returns>
public static bool IsWellFormedUriString(string uriString, UriKind uriKind)
{
try
{ // If absolute Uri was passed - create Uri object.
switch (uriKind)
{
case UriKind.Absolute:
{
UriEx testUri = new UriEx(uriString);
if (testUri.IsAbsoluteUri)
{
return(true);
}
return(false);
}
case UriKind.Relative:
{
UriEx testUri = new UriEx(uriString, UriKind.Relative);
if (!testUri.IsAbsoluteUri)
{
return(true);
}
return(false);
}
default: return(false);
}
}
catch
{
return(false);
}
}
protected virtual void Dispose(bool disposing)
{
if (this.isDisposed)
return;
if (disposing)
{
// disconnect
this.Disconnect();
DateTime timeoutTime = DateTime.Now.AddSeconds(20);
while (this.state != WebSocketState.Disconnected && DateTime.Now < timeoutTime)
Thread.Sleep(500);
// kill thread
this.runThreadLoop = false;
this.runStateMachine.Set();
this.stateMachineThread.Join(1000);
// clear the message queue
if (this.sendQueue != null)
this.sendQueue.Clear();
// kill timer
if (this.activityTimer != null)
this.activityTimer.Dispose();
// cleanup streams
if (this.socketStream != null)
this.socketStream.Close();
// cleanup sockets
if (this.socket != null)
this.socket.Close();
}
// set everything to null
this.eventLock = null;
this.sendLock = null;
this.activityTimer = null;
this.sendQueue = null;
this.socket = null;
this.socketStream = null;
this.receiveBuffer = null;
this.lastRcvdFrame = null;
this.serverUri = null;
this.loggerID = null;
this.origin = null;
this.subProtocol = null;
this.extensions = null;
this.securityKey = null;
this.options = null;
// make sure we don't dispose again
this.isDisposed = true;
}
/// <summary>
/// Connect - Begins the asynchronous (non-blocking) connection process.
/// </summary>
/// <param name="serverUrl">Url of server to connect to.</param>
public void Connect(string serverUrl)
{
if (this.State == WebSocketState.Initialized || this.State == WebSocketState.Disconnected)
{
try
{
this.serverUri = new UriEx(serverUrl);
IPHostEntry hostEntry = Dns.GetHostEntry(this.serverUri.Host);
IPAddress ipAddress = hostEntry.AddressList[0];
this.serverEndpoint = new IPEndPoint(ipAddress, this.serverUri.Port);
// start the connection process
Logger.WriteDebug(this.loggerID, "Connecting to " + serverUrl + " ...");
this.state = WebSocketState.Connecting;
this.subState = SubState.OpenTcpConnection;
this.runStateMachine.Set();
}
catch (Exception ex)
{
this.OnError(WSErrorCode.NativeError, ex.Message, ex.StackTrace);
}
}
}
/// <summary>
/// Indicates whether the string is well-formed by attempting to
/// construct a URI with the string.
/// </summary>
/// <param name="uriString">A URI.</param>
/// <param name="uriKind">The type of the URI in
/// <paramref name="uriString"/>.</param>
/// <returns>
/// <itemref>true</itemref> if the string was well-formed in accordance
/// with RFC 2396 and RFC 2732; otherwise <itemref>false</itemref>.
/// </returns>
public static bool IsWellFormedUriString(string uriString, UriKind uriKind)
{
try
{ // If absolute Uri was passed - create Uri object.
switch (uriKind)
{
case UriKind.Absolute:
{
UriEx testUri = new UriEx(uriString);
if (testUri.IsAbsoluteUri)
{
return true;
}
return false;
}
case UriKind.Relative:
{
UriEx testUri = new UriEx(uriString, UriKind.Relative);
if (!testUri.IsAbsoluteUri)
{
return true;
}
return false;
}
default: return false;
}
}
catch
{
return false;
}
}