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Diffstat (limited to 'src/csharp/Grpc.Core/DefaultCallInvoker.cs')
-rw-r--r-- | src/csharp/Grpc.Core/DefaultCallInvoker.cs | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs new file mode 100644 index 0000000000..1a99e41153 --- /dev/null +++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs @@ -0,0 +1,112 @@ +#region Copyright notice and license + +// Copyright 2015-2016, Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#endregion + +using System.Threading.Tasks; +using Grpc.Core.Internal; +using Grpc.Core.Utils; + +namespace Grpc.Core +{ + /// <summary> + /// Invokes client RPCs using <see cref="Calls"/>. + /// </summary> + public class DefaultCallInvoker : CallInvoker + { + readonly Channel channel; + + /// <summary> + /// Initializes a new instance of the <see cref="Grpc.Core.DefaultCallInvoker"/> class. + /// </summary> + /// <param name="channel">Channel to use.</param> + public DefaultCallInvoker(Channel channel) + { + this.channel = GrpcPreconditions.CheckNotNull(channel); + } + + /// <summary> + /// Invokes a simple remote call in a blocking fashion. + /// </summary> + public override TResponse BlockingUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request) + { + var call = CreateCall(method, host, options); + return Calls.BlockingUnaryCall(call, request); + } + + /// <summary> + /// Invokes a simple remote call asynchronously. + /// </summary> + public override AsyncUnaryCall<TResponse> AsyncUnaryCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request) + { + var call = CreateCall(method, host, options); + return Calls.AsyncUnaryCall(call, request); + } + + /// <summary> + /// Invokes a server streaming call asynchronously. + /// In server streaming scenario, client sends on request and server responds with a stream of responses. + /// </summary> + public override AsyncServerStreamingCall<TResponse> AsyncServerStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options, TRequest request) + { + var call = CreateCall(method, host, options); + return Calls.AsyncServerStreamingCall(call, request); + } + + /// <summary> + /// Invokes a client streaming call asynchronously. + /// In client streaming scenario, client sends a stream of requests and server responds with a single response. + /// </summary> + public override AsyncClientStreamingCall<TRequest, TResponse> AsyncClientStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options) + { + var call = CreateCall(method, host, options); + return Calls.AsyncClientStreamingCall(call); + } + + /// <summary> + /// Invokes a duplex streaming call asynchronously. + /// In duplex streaming scenario, client sends a stream of requests and server responds with a stream of responses. + /// The response stream is completely independent and both side can be sending messages at the same time. + /// </summary> + public override AsyncDuplexStreamingCall<TRequest, TResponse> AsyncDuplexStreamingCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options) + { + var call = CreateCall(method, host, options); + return Calls.AsyncDuplexStreamingCall(call); + } + + protected virtual CallInvocationDetails<TRequest, TResponse> CreateCall<TRequest, TResponse>(Method<TRequest, TResponse> method, string host, CallOptions options) + where TRequest : class + where TResponse : class + { + return new CallInvocationDetails<TRequest, TResponse>(channel, method, host, options); + } + } +} |