/// <summary>
/// Allows stateful control of the modifications of the Session Description by blocking other updates.
/// If called when <see cref="UnderModification"/> the call will block until the update can proceed.
/// </summary>
/// <returns>The <see cref="System.Threading.CancellationToken"/> which can be used to cancel the update started</returns>
public System.Threading.CancellationToken BeginUpdate()
{
CheckDisposed();
if (System.Threading.WaitHandle.SignalAndWait(m_UpdateTokenSource.Token.WaitHandle, m_Update.WaitHandle))
{
m_Update.Reset();
}
return(m_UpdateTokenSource.Token);
}
void tx()
{
#if TRACE
Console.WriteLine(new System.Diagnostics.StackTrace(true).GetFrame(0));
#endif
BinaryWriter peerWriter = new BinaryWriter(peer);
while (thread_rx.IsAlive)
{
byte[] messageBytes;
while (!sendQueue.TryDequeue(out messageBytes))
{
mre_tx.Wait(10);
}
mre_tx.Reset();
try {
WriteMessage(peerWriter, messageBytes);
} catch {
PeerDisconnected();
return;
}
}
}
/// <summary>
/// Calls the Disconnected multi-cast delegate when the connection is terminated
/// </summary>
/// <param name="remoteEndPoint">The IPEndPoint of the remote machine</param>
/// <param name="e">The Exception object if an exception occurred</param>
protected override void OnDisconnected(IPEndPoint remoteEndPoint, Exception e)
{
_mreSecured.Reset();
_remotePublicKey = null;
base.OnDisconnected(remoteEndPoint, e);
}
public void Monitor()
{
if (crashSignal.IsSet)
{
ProcessCrashed?.Invoke();
Stop();
if (options.GracePeriodEnabled)
{
if (!gracePeriodTimer.Enabled)
{
gracePeriodTimer.Start();
}
}
else
{
startSignal.Set();
}
crashSignal.Reset();
}
if (resetTimer.IsSet)
{
Stopwatch.Restart();
resetTimer.Reset();
}
if (ShouldStart)
{
if (startSignal.IsSet)
{
startSignal.Reset();
}
Start();
}
if (previousState == Status.Running && Process != null)
{
if (currentState != Status.Running)
{
Status previousStateSnapshot = previousState;
Status currentStateSnapshot = currentState;
Stop();
State = previousStateSnapshot;
State = currentStateSnapshot;
}
}
else
if (previousState == Status.Stopped && Process == null)
{
if (currentState == Status.Running)
{
Start();
}
}
else
if (previousState == Status.Disabled && Process == null)
{
if (currentState == Status.Running)
{
Start();
}
}
if (currentState != Status.Disabled && HasWindow && Process != null)
{
Process.Refresh();
if (options.CrashedIfUnresponsive && !Process.Responding)
{
if (options.DoubleCheckEnabled)
{
if (checkSignal.IsSet)
{
if (!Process.Responding)
{
startSignal.Set();
}
checkSignal.Reset();
}
else if (!doubleCheckTimer.Enabled)
{
doubleCheckTimer.Start();
}
}
else
{
startSignal.Set();
}
if (startSignal.IsSet)
{
Stop();
}
}
if (options.AlwaysOnTopEnabled && Process != null && Process.Responding)
{
BringToFront(true);
}
}
}
