public NotificationConsumer(IMessageHandler messageHandler, IChannelWrapper channelWrapper)
{
_messageHandler = messageHandler;
_channelWrapper = channelWrapper;
Listen();
}
public static async Task RunCustomMetadataAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
{
// step 1: test unary call
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var call = client.UnaryCallAsync(request, headers: CreateTestMetadata());
await call.ResponseAsync;
var responseHeaders = await call.ResponseHeadersAsync;
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.GetValue("x-grpc-test-echo-initial"));
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.GetValueBytes("x-grpc-test-echo-trailing-bin"));
}
{
// step 2: test full duplex call
var request = new StreamingOutputCallRequest
{
ResponseParameters = { new ResponseParameters {
Size = 31415
} },
Payload = CreateZerosPayload(27182)
};
var call = client.FullDuplexCall(headers: CreateTestMetadata());
await call.RequestStream.WriteAsync(request);
await call.RequestStream.CompleteAsync();
await call.ResponseStream.ToListAsync();
var responseHeaders = await call.ResponseHeadersAsync;
var responseTrailers = call.GetTrailers();
Assert.AreEqual("test_initial_metadata_value", responseHeaders.GetValue("x-grpc-test-echo-initial"));
CollectionAssert.AreEqual(new byte[] { 0xab, 0xab, 0xab }, responseTrailers.GetValueBytes("x-grpc-test-echo-trailing-bin"));
}
}
public static async Task RunJwtTokenCreds(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
};
// not setting credentials here because they were set on channel already
var response = await client.UnaryCallAsync(request);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
}
public static async Task RunPerRpcCredsAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var oauthScope = options.OAuthScope !;
var googleCredential = await GoogleCredential.GetApplicationDefaultAsync();
var credentials = googleCredential.ToCallCredentials();
var request = new SimpleRequest
{
FillUsername = true,
};
var response = await client.UnaryCallAsync(request, new CallOptions(credentials : credentials));
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
}
public static async Task RunClientStreamingAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var bodySizes = new List <int> {
27182, 8, 1828, 45904
}.Select((size) => new StreamingInputCallRequest {
Payload = CreateZerosPayload(size)
});
using (var call = client.StreamingInputCall())
{
await call.RequestStream.WriteAllAsync(bodySizes);
var response = await call.ResponseAsync;
Assert.AreEqual(74922, response.AggregatedPayloadSize);
}
}
public static async Task RunCancelAfterBeginAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var cts = new CancellationTokenSource();
using (var call = client.StreamingInputCall(cancellationToken: cts.Token))
{
// TODO(jtattermusch): we need this to ensure call has been initiated once we cancel it.
await Task.Delay(1000);
cts.Cancel();
var ex = await Assert.ThrowsAsync <RpcException>(() => call.ResponseAsync);
Assert.AreEqual(StatusCode.Cancelled, ex.Status.StatusCode);
}
}
public static async Task RunClientCompressedUnary(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var probeRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = true // lie about compression
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var e = await ExceptionAssert.ThrowsAsync <RpcException>(async() => await client.UnaryCallAsync(probeRequest, CreateClientCompressionMetadata(false)));
Assert.AreEqual(StatusCode.InvalidArgument, e.Status.StatusCode);
var compressedRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = true
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response1 = await client.UnaryCallAsync(compressedRequest, CreateClientCompressionMetadata(true));
Assert.AreEqual(314159, response1.Payload.Body.Length);
var uncompressedRequest = new SimpleRequest
{
ExpectCompressed = new BoolValue
{
Value = false
},
ResponseSize = 314159,
Payload = CreateZerosPayload(271828)
};
var response2 = await client.UnaryCallAsync(uncompressedRequest, CreateClientCompressionMetadata(false));
Assert.AreEqual(314159, response2.Payload.Body.Length);
}
public static async Task RunOAuth2AuthTokenAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var oauthScope = options.OAuthScope !;
ITokenAccess credential = (await GoogleCredential.GetApplicationDefaultAsync()).CreateScoped(new[] { oauthScope });
var oauth2Token = await credential.GetAccessTokenForRequestAsync();
var credentials = GoogleGrpcCredentials.FromAccessToken(oauth2Token);
var request = new SimpleRequest
{
FillUsername = true,
FillOauthScope = true
};
var response = await client.UnaryCallAsync(request, new CallOptions(credentials : credentials));
Assert.IsFalse(string.IsNullOrEmpty(response.OauthScope));
Assert.IsTrue(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(GetEmailFromServiceAccountFile(), response.Username);
}
public static async Task RunServerStreamingAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var bodySizes = new List <int> {
31415, 9, 2653, 58979
};
var request = new StreamingOutputCallRequest
{
ResponseParameters = { bodySizes.Select((size) => new ResponseParameters {
Size = size
}) }
};
using (var call = client.StreamingOutputCall(request))
{
var responseList = await call.ResponseStream.ToListAsync();
CollectionAssert.AreEqual(bodySizes, responseList.Select((item) => item.Payload.Body.Length).ToList());
}
}
public static async Task RunComputeEngineCreds(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
var defaultServiceAccount = options.DefaultServiceAccount !;
var oauthScope = options.OAuthScope !;
var request = new SimpleRequest
{
ResponseSize = 314159,
Payload = CreateZerosPayload(271828),
FillUsername = true,
FillOauthScope = true
};
// not setting credentials here because they were set on channel already
var response = await client.UnaryCallAsync(request);
Assert.AreEqual(314159, response.Payload.Body.Length);
Assert.IsFalse(string.IsNullOrEmpty(response.OauthScope));
Assert.IsTrue(oauthScope.Contains(response.OauthScope));
Assert.AreEqual(defaultServiceAccount, response.Username);
}
protected virtual IChannelWrapper <I> CreateProxy <I>(string endpointOverrideAddress)
where I : class
{
IChannelWrapper <I> result = null;
var key = typeof(I).FullName;
if (_proxyCache.ContainsKey(key))
{
lock (_lockObj)
{
var cache = _proxyCache[key];
cache.RemoveAll(p => p.IsFaulted);
if (cache.Where(p => p.InUse == false).Count() > 0)
{
result = cache.First() as IChannelWrapper <I>;
result.InUse = true;
}
}
}
if (result == null)
{
result = CreateProxyInternal <I>(endpointOverrideAddress);
if (result.Instance != null)
{
var factoryProp = result.Instance.GetType().GetProperty("Factory");
if (factoryProp != null && factoryProp.PropertyType.Name == typeof(IProxyFactory).Name)
{
factoryProp.SetValue(result.Instance, this, new object[] { });
}
}
result.InUse = true;
}
return(result);
}
public IChannelPool CreateSubscriptionChannelPool(ushort prefechCount)
{
if (subsCh is null)
{
subsCh = connection.CreateChannel();
subsCh.BasicQos(0, prefechCount, false);
subsCh.QueueDeclare(
config.Queue,
durable: true,
exclusive: false,
autoDelete: false,
arguments: new Dictionary <string, object> {
["x-dead-letter-exchange"] = "",
["x-dead-letter-routing-key"] = "_q_dead"
});
}
IChannelPool pool = channelPoolFactory.CreateChannelPool(subsCh);
subscriptionWrapChannel = pool.GetChannelWrapper();
return(pool);
}
public ConsumerFactory(IChannelWrapper channel, IConsumerBinder consumerBinder)
{
this.channel = channel;
this.consumerBinder = consumerBinder;
}
/// <summary>
/// Configure an endpoint from a setting
/// </summary>
protected virtual IChannelWrapper <I> ConfigureEndpointFromSetting <I>(ClientEndpoint endpoint)
where I : class
{
IChannelWrapper <I> result = null;
if (!string.IsNullOrWhiteSpace(endpoint.Implementation))
{
Type t = Type.GetType(endpoint.Implementation);
if (t == null)
{
throw new InvalidOperationException(
string.Format(
"Unable to create service type, your configuration for endpoint.Implementation is probably wrong or you need to add a reference to an assembly. Configured as {0}.",
endpoint.Implementation));
}
if (endpoint.UseWcf)
{
result = CreateInProcWrapper <I>(t);
}
else
{
result = new MockChannelWrapper <I>()
{
Instance = Activator.CreateInstance(t) as I
};
}
}
else if (!string.IsNullOrWhiteSpace(endpoint.Address))
{
if (string.IsNullOrWhiteSpace(endpoint.ChannelFactory))
{
IServiceHelperAttribute configureHelper = new DefaultServiceHelperAttribute();
Binding binding = null;
ClientProxy <I> proxy = null;
EndpointIdentity identity = null;
var attributes = typeof(I).GetCustomAttributes(false);
foreach (var attribute in attributes)
{
if (attribute is IServiceHelperAttribute)
{
configureHelper = attribute as IServiceHelperAttribute;
identity = configureHelper.CreateIdentity();
}
}
if (endpoint.Address.StartsWith("net.tcp://"))
{
binding = new NetTcpBinding()
{
MaxBufferPoolSize = int.MaxValue,
MaxBufferSize = int.MaxValue,
MaxReceivedMessageSize = int.MaxValue,
};
MaxSetter.SetMaxes(binding);
}
else if (endpoint.Address.StartsWith("http://") || endpoint.Address.StartsWith("https://"))
{
binding = new WS2007HttpBinding(SecurityMode.None)
{
MaxBufferPoolSize = int.MaxValue,
MaxReceivedMessageSize = int.MaxValue,
};
MaxSetter.SetMaxes(binding);
MaxSetter.SetTimeouts <I>(binding);
}
else if (endpoint.Address.StartsWith("net.msmq://"))
{
binding = new NetMsmqBinding()
{
MaxBufferPoolSize = int.MaxValue,
MaxReceivedMessageSize = int.MaxValue,
};
}
else if (endpoint.Address.StartsWith("net.pipe://"))
{
binding = new NetNamedPipeBinding()
{
MaxBufferPoolSize = int.MaxValue,
MaxReceivedMessageSize = int.MaxValue,
};
}
configureHelper.ConfigureClientBinding(binding, typeof(I));
proxy = new ClientProxy <I>(
binding,
new EndpointAddress(new Uri(endpoint.Address), configureHelper.CreateIdentity()));
configureHelper.ConfigureClientCredentials(proxy.ClientCredentials, typeof(I));
result = proxy;
}
else
{
var cfType = Type.GetType(endpoint.ChannelFactory);
if (cfType == null)
{
throw new ConfigurationErrorsException("ChannelFactory is invalid");
}
var cf = Activator.CreateInstance(cfType) as ICustomChannelFactory;
if (cf == null)
{
throw new ConfigurationErrorsException("Could not create custom channel factory.");
}
result = cf.CreateChannel <I>(endpoint);
}
}
if (result != null)
{
result.CacheCount = endpoint.CacheCount;
}
return(result);
}
protected virtual void CloseProxy <I>(IChannelWrapper <I> proxy, bool abort)
{
var key = typeof(I).FullName;
if (abort)
{
proxy.Abort();
}
if (proxy.CacheCount > 0)
{
lock (_lockObj)
{
if (!_proxyCache.ContainsKey(key))
{
_proxyCache.Add(key, new List <ICachableChannel>());
}
var cache = _proxyCache[key];
if (cache.Where(p => p.CacheKey == key).Count() > 0)
{
// found in cache
var proxyCached = cache.Where(p => p.CacheKey == key).First();
proxy.InUse = false;
if (abort)
{
cache.Remove(proxyCached);
}
}
else if (!abort)
{
// not in cache and not aborted
if (proxy.CacheCount > cache.Count)
{
proxy.InUse = false;
cache.Add(proxy);
}
else
{
// no room to cache, kill it
try
{
proxy.Close();
}
catch
{
proxy.Abort();
}
}
}
}
}
else if (!abort)
{
// never cache this proxy
try
{
proxy.Close();
}
catch
{
proxy.Abort();
}
}
}
protected virtual HandleExceptionAction HandleCommunicationException <I>(CommunicationException ex, IChannelWrapper <I> wrapper)
{
LogException("Communication exception while proxying a call. ", ex);
return(HandleExceptionAction.ThrowException);
}
protected virtual HandleExceptionAction HandleTimeoutException <I>(TimeoutException ex, IChannelWrapper <I> wrapper)
{
LogException("Timeout exception while proxying a call. ", ex);
return(HandleExceptionAction.ThrowException);
}
private void Send(string message, IChannelWrapper channelWrapper)
{
var messageBodyBytes = Encoding.UTF8.GetBytes(message);
channelWrapper.Channel.BasicPublish(Settings.ExchangeName, Settings.RoutingKey, null,
messageBodyBytes);
}
public PollingConsumer()
{
_channelWrapper = ObjectFactory.GetInstance<IChannelWrapper>();
_thread = new Thread(Start);
_thread.Start(_channelWrapper.Channel);
}
private TClient CreateClient <TClient>(IChannelWrapper channel) where TClient : ClientBase
{
return((TClient)Activator.CreateInstance(typeof(TClient), channel.Channel) !);
}
private async Task RunTestCaseAsync(IChannelWrapper channel, ClientOptions options)
{
var client = CreateClient <TestService.TestServiceClient>(channel);
switch (options.TestCase)
{
case "empty_unary":
RunEmptyUnary(client);
break;
case "large_unary":
RunLargeUnary(client);
break;
case "client_streaming":
await RunClientStreamingAsync(client);
break;
case "server_streaming":
await RunServerStreamingAsync(client);
break;
case "ping_pong":
await RunPingPongAsync(client);
break;
case "empty_stream":
await RunEmptyStreamAsync(client);
break;
case "compute_engine_creds":
RunComputeEngineCreds(client, options.DefaultServiceAccount !, options.OAuthScope !);
break;
case "jwt_token_creds":
RunJwtTokenCreds(client);
break;
case "oauth2_auth_token":
await RunOAuth2AuthTokenAsync(client, options.OAuthScope !);
break;
case "per_rpc_creds":
await RunPerRpcCredsAsync(client, options.OAuthScope !);
break;
case "cancel_after_begin":
await RunCancelAfterBeginAsync(client);
break;
case "cancel_after_first_response":
await RunCancelAfterFirstResponseAsync(client);
break;
case "timeout_on_sleeping_server":
await RunTimeoutOnSleepingServerAsync(client);
break;
case "custom_metadata":
await RunCustomMetadataAsync(client);
break;
case "status_code_and_message":
await RunStatusCodeAndMessageAsync(client);
break;
case "unimplemented_service":
RunUnimplementedService(CreateClient <UnimplementedService.UnimplementedServiceClient>(channel));
break;
case "special_status_message":
await RunSpecialStatusMessageAsync(client);
break;
case "unimplemented_method":
RunUnimplementedMethod(client);
break;
case "client_compressed_unary":
RunClientCompressedUnary(client);
break;
case "client_compressed_streaming":
await RunClientCompressedStreamingAsync(client);
break;
case "server_compressed_unary":
await RunServerCompressedUnary(client);
break;
case "server_compressed_streaming":
await RunServerCompressedStreamingAsync(client);
break;
default:
throw new ArgumentException("Unknown test case " + options.TestCase);
}
}
/// <summary>
/// Proxy a call to WCF
/// </summary>
public virtual void Call <I>(WcfCall <I> call, string endpointOverrideAddress) where I : class
{
IChannelWrapper <I> wrapper = null;
bool abort = true;
try
{
bool skipCall = false;
wrapper = CreateProxy <I>(endpointOverrideAddress);
if (wrapper.IsRealProxy && wrapper.CacheCount > 0)
{
// retry one time
try
{
// turn off every call logging
//Log(string.Format("Calling {0} with cached proxy", typeof(I).Name));
call.Invoke(wrapper.Instance);
skipCall = true;
}
catch (Exception ex)
{
LogException("First call exception with a cached proxy", ex);
CloseProxy <I>(wrapper, true);
wrapper = CreateProxy <I>(endpointOverrideAddress);
}
}
if (!skipCall)
{
call.Invoke(wrapper.Instance);
abort = false;
}
if (wrapper != null)
{
wrapper.LastUse = DateTime.Now;
}
}
catch (CommunicationException cex)
{
if (HandleCommunicationException <I>(cex, wrapper) == HandleExceptionAction.ThrowException)
{
throw;
}
}
catch (TimeoutException tex)
{
if (HandleTimeoutException <I>(tex, wrapper) == HandleExceptionAction.ThrowException)
{
throw;
}
}
catch (Exception ex)
{
if (HandleException <I>(ex, wrapper) == HandleExceptionAction.ThrowException)
{
throw;
}
}
finally
{
if (wrapper != null)
{
try
{
CloseProxy <I>(wrapper, abort);
}
catch
{ }
}
}
}