/// <summary>
/// Sends a buffer.
/// </summary>
public bool SendAsync(IMessageSocketAsyncEventArgs args)
{
ProxyMessageSocketAsyncEventArgs eventArgs = args as ProxyMessageSocketAsyncEventArgs;
if (eventArgs == null)
{
throw new ArgumentNullException("args");
}
if (ProxySocket == null)
{
throw new InvalidOperationException("The socket is not connected.");
}
eventArgs.m_args.SocketError = SocketError.Unknown;
return(ProxySocket.SendAsync(eventArgs.m_args));
}
/// <summary>
/// Connects to an endpoint.
/// </summary>
public async Task <bool> BeginConnect(Uri endpointUrl, EventHandler <IMessageSocketAsyncEventArgs> callback, object state)
{
bool result = false;
if (endpointUrl == null)
{
throw new ArgumentNullException("endpointUrl");
}
if (ProxySocket != null)
{
throw new InvalidOperationException("The socket is already connected.");
}
ProxyMessageSocketAsyncEventArgs args = new ProxyMessageSocketAsyncEventArgs();
args.UserToken = state;
args.m_args.SocketError = SocketError.Host_unknown;
ProxySocket = new Socket(SocketType.Stream, ProtocolType.Tcp);
try
{
await ProxySocket.ConnectAsync(endpointUrl.DnsSafeHost, endpointUrl.Port);
args.m_args.SocketError = SocketError.Success;
result = true;
}
catch (Exception e)
{
SocketException se = e as SocketException;
if (se != null)
{
args.m_args.SocketError = se.Error;
}
}
finally
{
Task t = Task.Run(() => callback(this, args));
}
return(result);
}
