/// <summary>
/// This helper ensures we invalidate the _currentCall state if we want to throw canceled.
/// </summary>
private void ThrowIfCancellationRequested(CancellationToken cancellationToken)
{
if (cancellationToken.IsCancellationRequested)
{
_currentCall?.Dispose();
_currentCall = null;
cancellationToken.ThrowIfCancellationRequested();
}
}
/// <exclude />
public static async Task <IAsyncEnumerable <T> > GetServerStreamingCallResultAsync <T>(
AsyncServerStreamingCall <Message <T> > call,
CallContext?context,
CancellationToken token)
{
try
{
if (context != null && !token.IsCancellationRequested)
{
var headers = await call.ResponseHeadersAsync.ConfigureAwait(false);
context.ServerResponse = new ServerResponse(
headers,
call.GetStatus,
call.GetTrailers);
}
}
catch
{
call.Dispose();
throw;
}
return(ReadServerStreamingCallResultAsync(call, context, token));
}
public Task DisconnectAsync()
{
_cts.Cancel();
_call?.Dispose();
return(Task.CompletedTask);
}
public void Dispose()
{
_cts?.Cancel();
_cts?.Dispose();
_stream?.Dispose();
channel?.Dispose();
}
public void Dispose()
{
_cts?.Cancel();
_cts?.Dispose();
_stream?.Dispose();
channel?.ShutdownAsync();
}
public void Shutdown()
{
Logger.Info("Shutting down...");
_client.Quit(new QuitRequest());
_commandStream?.Dispose();
_channel.ShutdownAsync().Wait();
Logger.Info("All down.");
}
public async Task DisconnectAsync()
{
_cts.Cancel();
_call?.Dispose();
if (_channel != null)
{
await _channelFactory.DisposeAsync(_channel);
}
}
public async Task DisconnectAsync()
{
_cts.Cancel();
_call?.Dispose();
if (_channel != null)
{
await _channel.ShutdownAsync();
}
}
/// <summary>
/// </summary>
public void Close()
{
if (IsClosed)
{
return;
}
IsClosed = true;
_currentCall?.Dispose();
StreamClosed?.Invoke(this, new StreamClosedEventArgs());
}
public void Dispose()
{
_holdingLineRequest?.Dispose();
_channel?.ShutdownAsync().Wait(TimeSpan.FromSeconds(5));
_channel?.Dispose();
StartStreamCallback = default;
StopStreamCallback = default;
CloseApplicationCallback = default;
}
/// <summary>
/// 使用しているリソースを解放します。
/// </summary>
/// <param name="disposing">dispose メソッドから呼び出されたかどうか</param>
protected override void Dispose(bool disposing)
{
try
{
if (m_DisposableCall)
{
m_Call.Dispose();
}
}
finally
{
base.Dispose(disposing);
}
}
public void Shutdown()
{
if (_invoiceStream != null)
{
_invoiceStream.Dispose();
}
if (_graphStream != null)
{
_graphStream.Dispose();
}
if (_transactionStream != null)
{
_transactionStream.Dispose();
}
rpcChannel.ShutdownAsync().Wait();
}
Action <bool> onNextFn(AsyncServerStreamingCall <Example.HelloReply> call)
{
return(ok =>
{
if (ok)
{
replyCount++;
Example.HelloReply helloReply = call.ResponseStream.Current;
Debug.Log("Got " + replyCount.ToString() + " greeting, I think: " + helloReply.Message);
call.ResponseStream.MoveNext().StartAsCoroutine <bool>(this.onNextFn(call));
}
else
{
Debug.Log("End of stream or failure. Status: " + call.GetStatus() + ". Retrying!");
call.Dispose();
}
});
}
public async Task Subscribe()
{
try
{
call = Client.SubscribeForMessages(new SubscribtionRequest()
{
});
while (await call.ResponseStream.MoveNext())
{
Message mess = call.ResponseStream.Current;
commonWriter.PutData(mess);
//Console.WriteLine(string.Format("New Message! " +
// "ChatId: {0}; MessageId: {1}; Text: {2};", mess.ChatId, mess.Id, mess.Text));
}
}
catch (Grpc.Core.RpcException ex)
{
call.Dispose();
}
}
public void Dispose()
{
subscriptionThread?.Abort();
subscriptionThread = null;
if (subscriptionListener != null)
{
subscriptionListener.ServerEventReceived -= _eventHandler.Invoke;
subscriptionListener.Dispose();
subscriptionListener = null;
}
subscription?.Dispose();
subscription = null;
workingTaskCancellationTokenSource?.Cancel();
workingTaskCancellationTokenSource?.Dispose();
workingTaskCancellationTokenSource = null;
isListening = false;
}
private async Task TryRecoverOnFailureAsync(CancellationToken cancellationToken, Exception exception)
{
_currentCall?.Dispose();
_currentCall = null;
//reconnect on failure which will call reliableconnect and respect resumetoken and resumeskip
cancellationToken.ThrowIfCancellationRequested();
Logger.Warn(
() =>
$"An error occurred attemping to iterate through the sql query. Attempting to recover. Exception:{exception}");
//when we reconnect, we purposely do not do a *reliable*movenext. If we fail to fast forward on the reconnect
//we bail out completely and surface the error.
_isReading = await ReliableConnectAsync(cancellationToken).ConfigureAwait(false);
if (_isReading)
{
// we try one more time to advance. Note that we should have done an exponential backoff retry
// on the initial connect -- but MoveNext is not idempotent, so all we can do if it fails is start
// from scratch. But in case something is going horribly awry, we don't want to spin indefinitely,
// so we bail if the recovery isn't successful in moving to the next item.
try
{
_isReading = await _currentCall.ResponseStream.MoveNext(cancellationToken)
.WithSessionChecking(() => _session).ConfigureAwait(false);
_resumeSkipCount++;
}
catch (Exception e)
{
Logger.Warn(() => $"An error occurred attemping to recover. Exception:{e}");
//At this point, we give up, rethrowing and setting state such that it will
//need to reconnect if the user calls MoveNext again.
_currentCall?.Dispose();
_currentCall = null;
throw;
}
}
}
// StartServerStream starts a background task listening to server responses
// https://github.com/grpc/grpc/issues/21734#issuecomment-578519701
private async Task <AsyncServerStreamingCall <GameData> > StartServerStream()
{
try
{
while (await _stream.ResponseStream.MoveNext())
{
_tokenSource.Token.ThrowIfCancellationRequested();
GameData gd = _stream.ResponseStream.Current;
game.Set(gd);
game.PlayerRealPosition = gd.Player.Position;
// Debug.Log($"> {gd}");
AckIfNeeded(gd.Info.AckToken);
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
_mGameFailedEvent.Invoke($"Stream cancelled: {ex}");
}
catch (OperationCanceledException ex)
{
_mGameFailedEvent.Invoke($"server streaming thread cancelled: {ex}");
_stream.Dispose();
}
catch (RpcException ex)
{
_mGameFailedEvent.Invoke(ex.ToString());
}
catch (Exception ex)
{
_mGameFailedEvent.Invoke($"Server reading thread failed: {ex}");
Application.Quit();
}
Debug.Log("Exiting server info thread...");
return(null);
}
/// <summary>
/// 指定されたメソッド呼び出しを登録します。
/// </summary>
/// <typeparam name="TRequest">リクエストの型</typeparam>
/// <typeparam name="TResponse">レスポンスの型</typeparam>
/// <param name="call">呼び出しオブジェクト</param>
/// <param name="method">メソッド</param>
/// <param name="host">ホスト</param>
/// <param name="options">オプション</param>
/// <param name="performanceListener">パフォーマンスリスナー</param>
/// <returns>呼び出しオブジェクト</returns>
internal static AsyncServerStreamingCall <TResponse> Regist <TRequest, TResponse>(AsyncServerStreamingCall <TResponse> call, Method <TRequest, TResponse> method, string host, CallOptions options, GrpcClientPerformanceListener performanceListener)
{
GrpcCallInvokerContext.Releaser releaser = new GrpcCallInvokerContext.Releaser(delegate()
{
call.Dispose();
});
GrpcCallState state = new GrpcCallState(method, host, options);
AsyncServerStreamingCall <TResponse> wrap = new AsyncServerStreamingCall <TResponse>(
new ResponseStreamReader <TResponse>(call.ResponseStream, method, host, options, state.OnEndResponse, performanceListener)
, call.ResponseHeadersAsync
, call.GetStatus
, call.GetTrailers
, releaser.Dispose
);
releaser.Target = wrap;
GrpcCallInvokerContext.AddState(wrap, state);
return(wrap);
}
public void Dispose()
{
_call.Dispose();
}
public void Dispose()
{
m_Call.Dispose();
}
public void Dispose()
{
_cancelSource.Cancel();
_streamingCall?.Dispose();
}
protected new void OnDestroy()
{
this.RunCatching(_ => looper.Dispose());
this.RunCatching(_ => call.Dispose());
base.OnDestroy();
}
