/// <summary>
/// Sends data to the underlying connection if it is connected.
/// NOTE: Will NOT connect the underlying socket if it is not connected already.
/// </summary>
/// <param name="data">Data to be sent.</param>
public void Send(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (IsConnected)
{
// Pull down a SocketAsyncEventArg to send with
var sendAsyncEventArgs = transmitPool.Pull();
sendAsyncEventArgs.RemoteEndPoint = RemoteEndPoint;
if (sendAsyncEventArgs.LastOperation == SocketAsyncOperation.None)
{
sendAsyncEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(AsyncEventCompleted);
}
// Set our buffer
sendAsyncEventArgs.SetBuffer(data, 0, data.Length);
// Did the operation complete synchroously?
if (!underlyingSocket.SendAsync(sendAsyncEventArgs))
{
AsyncEventCompleted(this, sendAsyncEventArgs);
}
}
}
/// <summary>
/// Connects the underlying connection if it is not already connected.
/// </summary>
public void Connect()
{
// Ensure exclusivity to the resource, we only want one connection attempt.
connectingResetEvent.WaitOne();
if (!IsConnected)
{
// Make a new instance of Socket, in Silverlight there is no DisconnectAsync on Sockets.
underlyingSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
// Pull down a SocketAsyncEventArg to connect with.
var connectAsyncEventArgs = connectionPool.Pull();
connectAsyncEventArgs.RemoteEndPoint = RemoteEndPoint;
if (connectAsyncEventArgs.LastOperation == SocketAsyncOperation.None)
{
connectAsyncEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(AsyncEventCompleted);
}
// Did the operation complete synchronously?
if (!underlyingSocket.ConnectAsync(connectAsyncEventArgs))
{
AsyncEventCompleted(this, connectAsyncEventArgs);
}
connectingVerifyResetEvent.WaitOne();
}
}