From 8496efa146c5882746cc05aa9ab5812853e3724c Mon Sep 17 00:00:00 2001 From: Jan Tattermusch Date: Tue, 22 Mar 2016 11:34:09 -0700 Subject: add concept of CallInvoker --- src/csharp/Grpc.Core/CallInvoker.cs | 84 +++++++++++++++++++++ src/csharp/Grpc.Core/DefaultCallInvoker.cs | 114 +++++++++++++++++++++++++++++ src/csharp/Grpc.Core/Grpc.Core.csproj | 2 + 3 files changed, 200 insertions(+) create mode 100644 src/csharp/Grpc.Core/CallInvoker.cs create mode 100644 src/csharp/Grpc.Core/DefaultCallInvoker.cs diff --git a/src/csharp/Grpc.Core/CallInvoker.cs b/src/csharp/Grpc.Core/CallInvoker.cs new file mode 100644 index 0000000000..e8e43968f8 --- /dev/null +++ b/src/csharp/Grpc.Core/CallInvoker.cs @@ -0,0 +1,84 @@ +#region Copyright notice and license + +// Copyright 2015, 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; + +namespace Grpc.Core +{ + /// + /// Abstraction of client-side RPC invocation. + /// + /// + public abstract class CallInvoker + { + /// + /// Invokes a simple remote call in a blocking fashion. + /// + public abstract TResponse BlockingUnaryCall(Method method, CallOptions options, TRequest request) + where TRequest : class + where TResponse : class; + + /// + /// Invokes a simple remote call asynchronously. + /// + public abstract AsyncUnaryCall AsyncUnaryCall(Method method, CallOptions options, TRequest request) + where TRequest : class + where TResponse : class; + + /// + /// Invokes a server streaming call asynchronously. + /// In server streaming scenario, client sends on request and server responds with a stream of responses. + /// + public abstract AsyncServerStreamingCall AsyncServerStreamingCall(Method method, CallOptions options, TRequest request) + where TRequest : class + where TResponse : class; + + /// + /// Invokes a client streaming call asynchronously. + /// In client streaming scenario, client sends a stream of requests and server responds with a single response. + /// + public abstract AsyncClientStreamingCall AsyncClientStreamingCall(Method method, CallOptions options) + where TRequest : class + where TResponse : class; + + /// + /// 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. + /// + public abstract AsyncDuplexStreamingCall AsyncDuplexStreamingCall(Method method, CallOptions options) + where TRequest : class + where TResponse : class; + } +} diff --git a/src/csharp/Grpc.Core/DefaultCallInvoker.cs b/src/csharp/Grpc.Core/DefaultCallInvoker.cs new file mode 100644 index 0000000000..2ec64019ac --- /dev/null +++ b/src/csharp/Grpc.Core/DefaultCallInvoker.cs @@ -0,0 +1,114 @@ +#region Copyright notice and license + +// Copyright 2015, 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 +{ + /// + /// Invokes client RPCs using . + /// + public class DefaultCallInvoker : CallInvoker + { + readonly Channel channel; + + public DefaultCallInvoker(Channel channel) + { + this.channel = GrpcPreconditions.CheckNotNull(channel); + } + + public string Host + { + get; + set; + } + + /// + /// Invokes a simple remote call in a blocking fashion. + /// + public override TResponse BlockingUnaryCall(Method method, CallOptions options, TRequest request) + { + var call = CreateCall(method, options); + return Calls.BlockingUnaryCall(call, request); + } + + /// + /// Invokes a simple remote call asynchronously. + /// + public override AsyncUnaryCall AsyncUnaryCall(Method method, CallOptions options, TRequest request) + { + var call = CreateCall(method, options); + return Calls.AsyncUnaryCall(call, request); + } + + /// + /// Invokes a server streaming call asynchronously. + /// In server streaming scenario, client sends on request and server responds with a stream of responses. + /// + public override AsyncServerStreamingCall AsyncServerStreamingCall(Method method, CallOptions options, TRequest request) + { + var call = CreateCall(method, options); + return Calls.AsyncServerStreamingCall(call, request); + } + + /// + /// Invokes a client streaming call asynchronously. + /// In client streaming scenario, client sends a stream of requests and server responds with a single response. + /// + public override AsyncClientStreamingCall AsyncClientStreamingCall(Method method, CallOptions options) + { + var call = CreateCall(method, options); + return Calls.AsyncClientStreamingCall(call); + } + + /// + /// 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. + /// + public override AsyncDuplexStreamingCall AsyncDuplexStreamingCall(Method method, CallOptions options) + { + var call = CreateCall(method, options); + return Calls.AsyncDuplexStreamingCall(call); + } + + private CallInvocationDetails CreateCall(Method method, CallOptions options) + where TRequest : class + where TResponse : class + { + return new CallInvocationDetails(channel, method, Host, options); + } + } +} diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj index 3189835ccd..d8c04b3adb 100644 --- a/src/csharp/Grpc.Core/Grpc.Core.csproj +++ b/src/csharp/Grpc.Core/Grpc.Core.csproj @@ -129,6 +129,8 @@ + + -- cgit v1.2.3