public static AsyncRequestObject GetIPAddressTask(string hostAddress, OnGetIPAddressComplete GetIPAddressCompleteCallback, CancellationTokenSource cts = null, TaskScheduler ts = null)
{
AsyncRequestObject aro = new AsyncRequestObject(cts);
aro.task = Task.Factory.StartNew(() =>
{
return(GetIPAddress(hostAddress, aro.CancellationToken));
}, aro.CancellationToken, TaskCreationOptions.None, TaskScheduler.Default).ContinueWith((antecedent) =>
{
if (!aro.CancellationToken.IsCancellationRequested)
{
switch (antecedent.Status)
{
case TaskStatus.Faulted:
if (GetIPAddressCompleteCallback != null)
{
GetIPAddressCompleteCallback(antecedent.Exception.InnerException, aro);
}
break;
case TaskStatus.RanToCompletion:
if (GetIPAddressCompleteCallback != null)
{
GetIPAddressCompleteCallback(antecedent.Result, aro);
}
break;
}
}
}, ts == null ? TaskScheduler.FromCurrentSynchronizationContext() : ts);
return(aro);
}
public static AsyncRequestObject TCPRequestPulseRequestsTask(PeerAddress host, byte[] pkt1, byte[] pkt2, int msDelay, OnTCPRequestComplete TCPRequestCompleteCallback, CancellationTokenSource cts = null, TaskScheduler ts = null)
{
AsyncRequestObject aro = new AsyncRequestObject(cts);
aro.task = Task.Factory.StartNew(() =>
{
if (host.ipAddress == null)
{
throw new Exception("No IP Address");
// Not a good idea
// host.ipAddress = GetIPAddress(host.address, aro.CancellationToken);
}
Socket socket = ConnectTCP(host.ipAddress, host.port, aro.CancellationToken);
TransmitOnSocket(socket, pkt1, aro.CancellationToken);
}, aro.CancellationToken, TaskCreationOptions.None, TaskScheduler.Default).ContinueWith((antecedent) =>
{
aro.CancellationToken.WaitHandle.WaitOne(msDelay);
aro.CancellationToken.ThrowIfCancellationRequested();
Socket socket = ConnectTCP(host.ipAddress, host.port, aro.CancellationToken);
TransmitOnSocket(socket, pkt2, aro.CancellationToken);
}, aro.CancellationToken).ContinueWith((antecedent) =>
{
if (!aro.CancellationToken.IsCancellationRequested)
{
switch (antecedent.Status)
{
case TaskStatus.Faulted:
aro.exception = antecedent.Exception.InnerException;
if (TCPRequestCompleteCallback != null)
{
TCPRequestCompleteCallback(antecedent.Exception.InnerException, aro);
}
break;
case TaskStatus.RanToCompletion:
if (TCPRequestCompleteCallback != null)
{
TCPRequestCompleteCallback(null, aro);
}
break;
}
}
}, ts == null ? TaskScheduler.FromCurrentSynchronizationContext() : ts);
return(aro);
}