/// <summary>
/// Shuts down the channel cleanly. It is strongly recommended to shutdown
/// all previously created channels before exiting from the process.
/// </summary>
/// <remarks>
/// This method doesn't wait for all calls on this channel to finish (nor does
/// it explicitly cancel all outstanding calls). It is user's responsibility to make sure
/// all the calls on this channel have finished (successfully or with an error)
/// before shutting down the channel to ensure channel shutdown won't impact
/// the outcome of those remote calls.
/// </remarks>
public async Task ShutdownAsync()
{
lock (myLock)
{
GrpcPreconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
GrpcEnvironment.UnregisterChannel(this);
shutdownTokenSource.Cancel();
var activeCallCount = activeCallCounter.Count;
if (activeCallCount > 0)
{
Logger.Warning("Channel shutdown was called but there are still {0} active calls for that channel.", activeCallCount);
}
lock (myLock)
{
handle.Dispose();
}
await GrpcEnvironment.ReleaseAsync().ConfigureAwait(false);
}
/// <summary>
/// Shuts down the channel cleanly. It is strongly recommended to shutdown
/// all previously created channels before exiting from the process.
/// </summary>
/// <remarks>
/// This method doesn't wait for all calls on this channel to finish (nor does
/// it explicitly cancel all outstanding calls). It is user's responsibility to make sure
/// all the calls on this channel have finished (successfully or with an error)
/// before shutting down the channel to ensure channel shutdown won't impact
/// the outcome of those remote calls.
/// </remarks>
public IObservable <Unit> ShutdownAsync()
{
lock (myLock)
{
GrpcPreconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
GrpcEnvironment.UnregisterChannel(this);
shutdownTokenSource.Cancel();
var activeCallCount = activeCallCounter.Count;
if (activeCallCount > 0)
{
// wait for shutdown complete...!
Logger.Debug("Wait shutdown start 0.5 sec...");
System.Threading.Thread.Sleep(TimeSpan.FromMilliseconds(500));
if (activeCallCounter.Count > 0)
{
Logger.Warning("Channel shutdown was called but there are still {0} active calls for that channel.", activeCallCount);
}
}
handle.Dispose();
return(GrpcEnvironment.ReleaseAsync());
}
/// <summary>
/// Shuts down the server.
/// </summary>
private async Task ShutdownInternalAsync(bool kill)
{
lock (myLock)
{
GrpcPreconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
GrpcEnvironment.UnregisterServer(this);
var cq = environment.CompletionQueues.First(); // any cq will do
handle.ShutdownAndNotify(HandleServerShutdown, cq);
if (kill)
{
handle.CancelAllCalls();
}
await ShutdownCompleteOrEnvironmentDeadAsync().ConfigureAwait(false);
DisposeHandle();
await GrpcEnvironment.ReleaseAsync().ConfigureAwait(false);
}