/// <summary>
/// Synchronously connects to the remote host.
/// </summary>
/// <returns>True if the connection attempt completed successfully, otherwise false.</returns>
public bool Connect()
{
Close();
lock (_sync)
{
State = GlowEndPointState.Connecting;
_tcpClient = new TcpClient();
try
{
_tcpClient.Connect(HostName, TcpPort);
_glowReader = new GlowReader(GlowReader_RootReady, GlowReader_KeepAliveRequestReceived);
_glowReader.Error += GlowReader_Error;
var stream = _tcpClient.GetStream();
stream.BeginRead(_buffer, 0, _buffer.Length, ReceiveCallback, stream);
State = GlowEndPointState.ProtocolProbing;
var glow = GlowRootElementCollection.CreateRoot();
glow.Insert(new GlowCommand(GlowCommandType.GetDirectory));
Write(glow);
return(true);
}
catch (Exception ex)
{
State = GlowEndPointState.Error;
Console.WriteLine(ex.Message);
}
}
return(false);
}
/// <summary>
/// Closes the endpoint.
/// </summary>
public void Close()
{
lock (_sync)
{
if (_glowReader != null)
{
_glowReader.Dispose();
}
if (_tcpClient != null)
{
try
{
_tcpClient.Close();
}
catch
{
}
}
_glowReader = null;
_tcpClient = null;
State = GlowEndPointState.Closed;
}
}
public GlowEndPoint(string hostName, int tcpPort, int maxPackageLength, int localNumber, byte remoteSlotId = 0, string description = null)
{
HostName = hostName;
TcpPort = tcpPort;
MaxPackageLength = maxPackageLength;
RemoteSlotId = remoteSlotId;
LocalNumber = localNumber;
Description = description;
_state = GlowEndPointState.Closed;
}
void GlowReader_KeepAliveRequestReceived(object sender, FramingReader.KeepAliveRequestReceivedArgs e)
{
TcpClient tcpClient;
State = GlowEndPointState.Connected;
lock (_sync)
tcpClient = _tcpClient;
if (tcpClient != null)
{
tcpClient.Client.Send(e.Response, e.ResponseLength, SocketFlags.None);
}
}
void GlowReader_RootReady(object sender, EmberLib.AsyncDomReader.RootReadyArgs e)
{
var root = e.Root as EmberLib.Glow.GlowContainer;
State = GlowEndPointState.Connected;
if (root != null)
{
OnGlowRootReady(new GlowRootReadyArgs(root));
}
else
{
OnNotification(new NotificationArgs(String.Format("Unexpected Ember Root: {0} ({1})", e.Root, e.Root.GetType())));
}
}
