Jan Tattermusch | a7fff86 | 2015-02-13 11:08:08 -0800 | [diff] [blame] | 1 | #region Copyright notice and license |
| 2 | |
Jan Tattermusch | af77b3d | 2015-02-13 11:22:21 -0800 | [diff] [blame] | 3 | // Copyright 2015, Google Inc. |
Jan Tattermusch | a7fff86 | 2015-02-13 11:08:08 -0800 | [diff] [blame] | 4 | // All rights reserved. |
| 5 | // |
| 6 | // Redistribution and use in source and binary forms, with or without |
| 7 | // modification, are permitted provided that the following conditions are |
| 8 | // met: |
| 9 | // |
| 10 | // * Redistributions of source code must retain the above copyright |
| 11 | // notice, this list of conditions and the following disclaimer. |
| 12 | // * Redistributions in binary form must reproduce the above |
| 13 | // copyright notice, this list of conditions and the following disclaimer |
| 14 | // in the documentation and/or other materials provided with the |
| 15 | // distribution. |
| 16 | // * Neither the name of Google Inc. nor the names of its |
| 17 | // contributors may be used to endorse or promote products derived from |
| 18 | // this software without specific prior written permission. |
| 19 | // |
| 20 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | |
| 32 | #endregion |
| 33 | |
Jan Tattermusch | 8ce5e8b | 2015-02-05 10:56:49 -0800 | [diff] [blame] | 34 | using System; |
| 35 | using Google.GRPC.Core.Internal; |
| 36 | |
| 37 | namespace Google.GRPC.Core |
| 38 | { |
| 39 | internal interface IServerCallHandler |
| 40 | { |
| 41 | void StartCall(string methodName, CallSafeHandle call, CompletionQueueSafeHandle cq); |
| 42 | } |
| 43 | |
| 44 | internal class UnaryRequestServerCallHandler<TRequest, TResponse> : IServerCallHandler |
| 45 | { |
| 46 | readonly Method<TRequest, TResponse> method; |
| 47 | readonly UnaryRequestServerMethod<TRequest, TResponse> handler; |
| 48 | |
| 49 | public UnaryRequestServerCallHandler(Method<TRequest, TResponse> method, UnaryRequestServerMethod<TRequest, TResponse> handler) |
| 50 | { |
| 51 | this.method = method; |
| 52 | this.handler = handler; |
| 53 | } |
| 54 | |
| 55 | public void StartCall(string methodName, CallSafeHandle call, CompletionQueueSafeHandle cq) |
| 56 | { |
| 57 | var asyncCall = new AsyncCall<TResponse, TRequest>( |
Jan Tattermusch | 15111f5 | 2015-02-05 18:15:14 -0800 | [diff] [blame] | 58 | method.ResponseMarshaller.Serializer, |
| 59 | method.RequestMarshaller.Deserializer); |
Jan Tattermusch | 8ce5e8b | 2015-02-05 10:56:49 -0800 | [diff] [blame] | 60 | |
| 61 | asyncCall.InitializeServer(call); |
| 62 | asyncCall.Accept(cq); |
| 63 | |
| 64 | var request = asyncCall.ReadAsync().Result; |
| 65 | |
| 66 | var responseObserver = new ServerWritingObserver<TResponse, TRequest>(asyncCall); |
| 67 | handler(request, responseObserver); |
| 68 | |
| 69 | asyncCall.Halfclosed.Wait(); |
Jan Tattermusch | 8ce5e8b | 2015-02-05 10:56:49 -0800 | [diff] [blame] | 70 | asyncCall.Finished.Wait(); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | internal class StreamingRequestServerCallHandler<TRequest, TResponse> : IServerCallHandler |
| 75 | { |
| 76 | readonly Method<TRequest, TResponse> method; |
| 77 | readonly StreamingRequestServerMethod<TRequest, TResponse> handler; |
| 78 | |
| 79 | public StreamingRequestServerCallHandler(Method<TRequest, TResponse> method, StreamingRequestServerMethod<TRequest, TResponse> handler) |
| 80 | { |
| 81 | this.method = method; |
| 82 | this.handler = handler; |
| 83 | } |
| 84 | |
| 85 | public void StartCall(string methodName, CallSafeHandle call, CompletionQueueSafeHandle cq) |
| 86 | { |
| 87 | var asyncCall = new AsyncCall<TResponse, TRequest>( |
Jan Tattermusch | 15111f5 | 2015-02-05 18:15:14 -0800 | [diff] [blame] | 88 | method.ResponseMarshaller.Serializer, |
| 89 | method.RequestMarshaller.Deserializer); |
Jan Tattermusch | 8ce5e8b | 2015-02-05 10:56:49 -0800 | [diff] [blame] | 90 | |
| 91 | asyncCall.InitializeServer(call); |
| 92 | asyncCall.Accept(cq); |
| 93 | |
| 94 | var responseObserver = new ServerWritingObserver<TResponse, TRequest>(asyncCall); |
| 95 | var requestObserver = handler(responseObserver); |
| 96 | |
| 97 | // feed the requests |
| 98 | asyncCall.StartReadingToStream(requestObserver); |
| 99 | |
| 100 | asyncCall.Halfclosed.Wait(); |
Jan Tattermusch | 8ce5e8b | 2015-02-05 10:56:49 -0800 | [diff] [blame] | 101 | asyncCall.Finished.Wait(); |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | internal class NoSuchMethodCallHandler : IServerCallHandler |
| 106 | { |
| 107 | public void StartCall(string methodName, CallSafeHandle call, CompletionQueueSafeHandle cq) |
| 108 | { |
| 109 | // We don't care about the payload type here. |
| 110 | AsyncCall<byte[], byte[]> asyncCall = new AsyncCall<byte[], byte[]>( |
| 111 | (payload) => payload, (payload) => payload); |
| 112 | |
| 113 | asyncCall.InitializeServer(call); |
| 114 | asyncCall.Accept(cq); |
| 115 | asyncCall.WriteStatusAsync(new Status(StatusCode.GRPC_STATUS_UNIMPLEMENTED, "No such method.")).Wait(); |
| 116 | |
| 117 | asyncCall.Finished.Wait(); |
| 118 | } |
| 119 | } |
| 120 | } |
| 121 | |