/// <summary>
/// Connects the <see cref="ZeroMQClient"/> to the server asynchronously.
/// </summary>
/// <exception cref="InvalidOperationException">Attempt is made to connect the <see cref="ZeroMQClient"/> when it is not disconnected.</exception>
/// <returns><see cref="WaitHandle"/> for the asynchronous operation.</returns>
public override WaitHandle ConnectAsync()
{
m_connectionHandle = (ManualResetEvent)base.ConnectAsync();
m_zeroMQClient.SetReceiveBuffer(ReceiveBufferSize);
m_connectionThread = new Thread(OpenSocket);
m_connectionThread.IsBackground = true;
m_connectionThread.Start();
return(m_connectionHandle);
}
private void ReceiveDataHandler()
{
while (Enabled)
{
Guid clientID = Guid.Empty;
TransportProvider <DateTime> clientInfo = null;
try
{
// Receive data from the socket
using (ZMessage message = m_zeroMQServer.ReceiveMessage())
{
// Router socket should provide identity, delimiter and data payload frames
if (message.Count == 3)
{
// Extract client identity
clientID = new Guid(message[0].ReadStream());
// Lookup client info, adding it if it doesn't exist
clientInfo = GetClient(clientID);
// Get data payload frame
ZFrame frame = message[2];
clientInfo.BytesReceived = (int)frame.Length;
if (clientInfo.ReceiveBufferSize < clientInfo.BytesReceived)
{
clientInfo.SetReceiveBuffer(clientInfo.BytesReceived);
}
frame.Read(clientInfo.ReceiveBuffer, 0, clientInfo.BytesReceived);
clientInfo.Statistics.UpdateBytesReceived(clientInfo.BytesReceived);
// Update last client activity time
clientInfo.Provider = DateTime.UtcNow;
}
}
// Notify consumer of received data
if ((object)clientInfo != null)
{
OnReceiveClientDataComplete(clientID, clientInfo.ReceiveBuffer, clientInfo.BytesReceived);
}
}
catch (Exception ex)
{
OnReceiveClientDataException(clientID, ex);
}
}
}
/// <summary>
/// Connects the <see cref="FileClient"/> to the <see cref="FileStream"/> asynchronously.
/// </summary>
/// <exception cref="InvalidOperationException">Attempt is made to connect the <see cref="FileClient"/> when it is not disconnected.</exception>
/// <returns><see cref="WaitHandle"/> for the asynchronous operation.</returns>
public override WaitHandle ConnectAsync()
{
m_connectionHandle = (ManualResetEvent)base.ConnectAsync();
m_fileClient.SetReceiveBuffer(ReceiveBufferSize);
#if ThreadTracking
m_connectionThread = new ManagedThread(OpenFile);
m_connectionThread.Name = "GSF.Communication.FileClient.OpenFile()";
#else
m_connectionThread = new Thread(OpenFile);
#endif
m_connectionThread.Start();
return(m_connectionHandle);
}
/// <summary>
/// Connects the <see cref="SerialClient"/> to the <see cref="SerialPort"/> asynchronously.
/// </summary>
/// <exception cref="InvalidOperationException">Attempt is made to connect the <see cref="SerialClient"/> when it is connected.</exception>
/// <returns><see cref="WaitHandle"/> for the asynchronous operation.</returns>
public override WaitHandle ConnectAsync()
{
m_connectionHandle = (ManualResetEvent)base.ConnectAsync();
m_serialClient.SetReceiveBuffer(ReceiveBufferSize);
m_serialClient.Provider = new SerialPort();
#if !MONO
m_serialClient.Provider.ReceivedBytesThreshold = m_receivedBytesThreshold;
#endif
m_serialClient.Provider.DataReceived += SerialPort_DataReceived;
m_serialClient.Provider.ErrorReceived += SerialPort_ErrorReceived;
m_serialClient.Provider.PortName = m_connectData["port"];
m_serialClient.Provider.BaudRate = int.Parse(m_connectData["baudrate"]);
m_serialClient.Provider.DataBits = int.Parse(m_connectData["databits"]);
m_serialClient.Provider.Parity = (Parity)(Enum.Parse(typeof(Parity), m_connectData["parity"], true));
m_serialClient.Provider.StopBits = (StopBits)(Enum.Parse(typeof(StopBits), m_connectData["stopbits"], true));
if (m_connectData.ContainsKey("dtrenable"))
{
m_serialClient.Provider.DtrEnable = m_connectData["dtrenable"].ParseBoolean();
}
if (m_connectData.ContainsKey("rtsenable"))
{
m_serialClient.Provider.RtsEnable = m_connectData["rtsenable"].ParseBoolean();
}
#if ThreadTracking
m_connectionThread = new ManagedThread(OpenPort);
m_connectionThread.Name = "GSF.Communication.SerialClient.OpenPort()";
#else
m_connectionThread = new Thread(OpenPort);
#endif
m_connectionThread.Start();
return(m_connectionHandle);
}
