internal ConnectionManager( Resolver resolver, bool disableResolverServiceConfig, ILoggerFactory loggerFactory, ISubchannelTransportFactory subchannelTransportFactory, LoadBalancerFactory[] loadBalancerFactories) { _lock = new object(); _nextPickerLock = new SemaphoreSlim(1); _nextPickerTcs = new TaskCompletionSource <SubchannelPicker>(TaskCreationOptions.RunContinuationsAsynchronously); _resolverStartedTcs = new TaskCompletionSource <object?>(TaskCreationOptions.RunContinuationsAsynchronously); Logger = loggerFactory.CreateLogger <ConnectionManager>(); LoggerFactory = loggerFactory; _subchannels = new List <Subchannel>(); _stateWatchers = new List <StateWatcher>(); _resolver = resolver; DisableResolverServiceConfig = disableResolverServiceConfig; _subchannelTransportFactory = subchannelTransportFactory; LoadBalancerFactories = loadBalancerFactories; }
internal GrpcChannel(Uri address, GrpcChannelOptions channelOptions) : base(address.Authority) { _lock = new object(); _methodInfoCache = new ConcurrentDictionary <IMethod, GrpcMethodInfo>(); // Dispose the HTTP client/handler if... // 1. No client/handler was specified and so the channel created the client itself // 2. User has specified a client/handler and set DisposeHttpClient to true _shouldDisposeHttpClient = (channelOptions.HttpClient == null && channelOptions.HttpHandler == null) || channelOptions.DisposeHttpClient; Address = address; LoggerFactory = channelOptions.LoggerFactory ?? ResolveService <ILoggerFactory>(channelOptions.ServiceProvider, NullLoggerFactory.Instance); RandomGenerator = ResolveService <IRandomGenerator>(channelOptions.ServiceProvider, new RandomGenerator()); HttpHandlerType = CalculateHandlerType(channelOptions); #if SUPPORT_LOAD_BALANCING var resolverFactory = GetResolverFactory(channelOptions); ResolveCredentials(channelOptions, out _isSecure, out _callCredentials); SubchannelTransportFactory = ResolveService <ISubchannelTransportFactory>(channelOptions.ServiceProvider, new SubChannelTransportFactory(this)); if (!IsHttpOrHttpsAddress() || channelOptions.ServiceConfig?.LoadBalancingConfigs.Count > 0) { ValidateHttpHandlerSupportsConnectivity(); } var defaultPort = IsSecure ? 443 : 80; var resolver = resolverFactory.Create(new ResolverOptions(Address, defaultPort, channelOptions.DisableResolverServiceConfig, LoggerFactory)); ConnectionManager = new ConnectionManager( resolver, channelOptions.DisableResolverServiceConfig, LoggerFactory, SubchannelTransportFactory, ResolveLoadBalancerFactories(channelOptions.ServiceProvider)); ConnectionManager.ConfigureBalancer(c => new ChildHandlerLoadBalancer( c, channelOptions.ServiceConfig, ConnectionManager)); #else if (string.IsNullOrEmpty(address.Host)) { throw new ArgumentException($"Address '{address.OriginalString}' doesn't have a host. Address should include a scheme, host, and optional port. For example, 'https://localhost:5001'."); } ResolveCredentials(channelOptions, out _isSecure, out _callCredentials); #endif HttpInvoker = channelOptions.HttpClient ?? CreateInternalHttpInvoker(channelOptions.HttpHandler); SendMaxMessageSize = channelOptions.MaxSendMessageSize; ReceiveMaxMessageSize = channelOptions.MaxReceiveMessageSize; MaxRetryAttempts = channelOptions.MaxRetryAttempts; MaxRetryBufferSize = channelOptions.MaxRetryBufferSize; MaxRetryBufferPerCallSize = channelOptions.MaxRetryBufferPerCallSize; CompressionProviders = ResolveCompressionProviders(channelOptions.CompressionProviders); MessageAcceptEncoding = GrpcProtocolHelpers.GetMessageAcceptEncoding(CompressionProviders); Logger = LoggerFactory.CreateLogger <GrpcChannel>(); ThrowOperationCanceledOnCancellation = channelOptions.ThrowOperationCanceledOnCancellation; _createMethodInfoFunc = CreateMethodInfo; ActiveCalls = new HashSet <IDisposable>(); if (channelOptions.ServiceConfig is { } serviceConfig) { RetryThrottling = serviceConfig.RetryThrottling != null?CreateChannelRetryThrottling(serviceConfig.RetryThrottling) : null; _serviceConfigMethods = CreateServiceConfigMethods(serviceConfig); } // Non-HTTP addresses (e.g. dns:///custom-hostname) usually specify a path instead of an authority. // Only log about a path being present if HTTP or HTTPS. if (!string.IsNullOrEmpty(Address.PathAndQuery) && Address.PathAndQuery != "/" && (Address.Scheme == Uri.UriSchemeHttps || Address.Scheme == Uri.UriSchemeHttp)) { Log.AddressPathUnused(Logger, Address.OriginalString); } }