/// <summary>
/// Requests server shutdown and when there are no more calls being serviced,
/// cleans up used resources. The returned task finishes when shutdown procedure
/// is complete.
/// </summary>
public async Task ShutdownAsync()
{
lock (myLock)
{
GrpcPreconditions.CheckState(startRequested);
GrpcPreconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
handle.ShutdownAndNotify(HandleServerShutdown, environment);
await shutdownTcs.Task.ConfigureAwait(false);
DisposeHandle();
await Task.Run(() => GrpcEnvironment.Release()).ConfigureAwait(false);
}
/// <summary>
/// Waits until there are no more active calls for this channel and then cleans up
/// resources used by this channel.
/// </summary>
public async Task ShutdownAsync()
{
lock (myLock)
{
Preconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
var activeCallCount = activeCallCounter.Count;
if (activeCallCount > 0)
{
Logger.Warning("Channel shutdown was called but there are still {0} active calls for that channel.", activeCallCount);
}
handle.Dispose();
await Task.Run(() => GrpcEnvironment.Release());
}
/// <summary>
/// Requests server shutdown while cancelling all the in-progress calls.
/// The returned task finishes when shutdown procedure is complete.
/// </summary>
public async Task KillAsync()
{
lock (myLock)
{
GrpcPreconditions.CheckState(startRequested);
GrpcPreconditions.CheckState(!shutdownRequested);
shutdownRequested = true;
}
var cq = environment.CompletionQueues.First(); // any cq will do
handle.ShutdownAndNotify(HandleServerShutdown, cq);
handle.CancelAllCalls();
await shutdownTcs.Task.ConfigureAwait(false);
DisposeHandle();
await Task.Run(() => GrpcEnvironment.Release()).ConfigureAwait(false);
}