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Diffstat (limited to 'lib/csharp/src/Transport/THttpTaskAsyncHandler.cs')
-rw-r--r-- | lib/csharp/src/Transport/THttpTaskAsyncHandler.cs | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/lib/csharp/src/Transport/THttpTaskAsyncHandler.cs b/lib/csharp/src/Transport/THttpTaskAsyncHandler.cs new file mode 100644 index 000000000..e491f32cb --- /dev/null +++ b/lib/csharp/src/Transport/THttpTaskAsyncHandler.cs @@ -0,0 +1,97 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + * + * Contains some contributions under the Thrift Software License. + * Please see doc/old-thrift-license.txt in the Thrift distribution for + * details. + */ + +using System.Threading.Tasks; +using System.Web; +using Thrift.Protocol; + +namespace Thrift.Transport +{ + /// <summary> + /// An async task based HTTP handler for processing thrift services. + /// </summary> + public class THttpTaskAsyncHandler : HttpTaskAsyncHandler + { + private readonly TAsyncProcessor _processor; + private readonly TProtocolFactory _inputProtocolFactory; + private readonly TProtocolFactory _outputProtocolFactory; + + /// <summary> + /// Initializes a new instance of the <see cref="THttpTaskAsyncHandler"/> class + /// using the <see cref="TBinaryProtocol.Factory"/> for both input and output streams. + /// </summary> + /// <param name="processor">The async processor implementation.</param> + public THttpTaskAsyncHandler(TAsyncProcessor processor) + : this(processor, new TBinaryProtocol.Factory()) + { + } + + /// <summary> + /// Initializes a new instance of the <see cref="THttpTaskAsyncHandler"/> class + /// using <paramref name="protocolFactory"/> for both input and output streams. + /// </summary> + /// <param name="processor">The async processor implementation.</param> + /// <param name="protocolFactory">The protocol factory.</param> + public THttpTaskAsyncHandler(TAsyncProcessor processor, TProtocolFactory protocolFactory) + : this(processor, protocolFactory, protocolFactory) + { + } + + /// <summary> + /// Initializes a new instance of the <see cref="THttpTaskAsyncHandler"/> class. + /// </summary> + /// <param name="processor">The async processor implementation.</param> + /// <param name="inputProtocolFactory">The input protocol factory.</param> + /// <param name="outputProtocolFactory">The output protocol factory.</param> + public THttpTaskAsyncHandler(TAsyncProcessor processor, TProtocolFactory inputProtocolFactory, + TProtocolFactory outputProtocolFactory) + { + _processor = processor; + _inputProtocolFactory = inputProtocolFactory; + _outputProtocolFactory = outputProtocolFactory; + } + + public override async Task ProcessRequestAsync(HttpContext context) + { + var transport = new TStreamTransport(context.Request.InputStream, context.Response.OutputStream); + + try + { + var input = _inputProtocolFactory.GetProtocol(transport); + var output = _outputProtocolFactory.GetProtocol(transport); + + while (await _processor.ProcessAsync(input, output)) + { + } + } + catch (TTransportException) + { + // Client died, just move on + } + finally + { + transport.Close(); + } + } + } +} |