143 lines
4.3 KiB
C#
143 lines
4.3 KiB
C#
/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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using Rebus;
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using Rebus.Configuration;
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using Rebus.Messages;
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using Rebus.RabbitMQ;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using Thrift.Protocol;
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using Thrift.Transport;
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/*
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* The server implements the BasicMathServer service .
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* All results are sent back to the client via the BasicMathClient service
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*/
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namespace RebusSample.Server
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{
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// handler to be registered with Rebus
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class MathRequestCallHandler : IHandleMessages<MathRequestCall>
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{
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public void Handle(MathRequestCall message)
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{
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// Thrift protocol/transport stack
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var stm = new MemoryStream(message.rawBytes);
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var trns = new TStreamTransport(stm, null);
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var prot = new TBinaryProtocol(trns);
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// create a processor and let him handle the call
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var hndl = new MathRequestsHandler();
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var proc = new BasicMathServer.Processor(hndl);
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proc.Process(prot, null); // oneway only
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}
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}
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// serves incoming calculation requests
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internal class MathRequestsHandler : BasicMathServer.Iface
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{
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public void Ping(long value)
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{
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var client = new MathResponseClient("localhost");
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client.Pong(value);
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}
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public void DoTheMath(int arg1, int arg2)
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{
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var client = new MathResponseClient("localhost");
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if( arg2 != 0)
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client.FourResults( arg1+arg2, arg1*arg2, arg1-arg2, arg1/arg2);
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else
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client.ThreeResults( arg1+arg2, arg1*arg2, arg1-arg2);
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}
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}
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// provides the client-side interface for calculation responses
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internal class MathResponseClient : BasicMathClient.Iface
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{
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private BuiltinContainerAdapter MQAdapter;
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public MathResponseClient(string server)
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{
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MQAdapter = new BuiltinContainerAdapter();
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Configure.With(MQAdapter)
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.Transport(t => t.UseRabbitMqInOneWayMode("amqp://" + server)) // we need send only
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.MessageOwnership(o => o.FromRebusConfigurationSection())
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.CreateBus().Start();
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}
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public void SerializeThriftCall(Action<BasicMathClient.Iface> action)
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{
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// Thrift protocol/transport stack
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var stm = new MemoryStream();
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var trns = new TStreamTransport(null, stm);
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var prot = new TBinaryProtocol(trns);
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// serialize the call into a bunch of bytes
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var client = new BasicMathClient.Client(prot);
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if (action != null)
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action(client);
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else
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throw new ArgumentException("action must not be null");
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// make sure everything is written to the MemoryStream
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trns.Flush();
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// send the message
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var msg = new MathResponseCall() { rawBytes = stm.ToArray() };
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MQAdapter.Bus.Send(msg);
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}
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public void Pong(long value)
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{
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SerializeThriftCall(client =>
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{
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client.Pong(value);
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});
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}
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public void ThreeResults(int added, int multiplied, int suctracted)
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{
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SerializeThriftCall(client =>
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{
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client.ThreeResults(added, multiplied, suctracted);
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});
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}
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public void FourResults(int added, int multiplied, int suctracted, int divided)
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{
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SerializeThriftCall(client =>
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{
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client.FourResults(added, multiplied, suctracted, divided);
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});
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}
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}
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}
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