| #region Copyright notice and license |
| |
| // Copyright 2015-2016 gRPC authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #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); |
| } |
| |
| /// <summary>Creates call invocation details for given method.</summary> |
| 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); |
| } |
| } |
| } |