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Diffstat (limited to 'lib/cpp/test/processor/ServerThread.h')
-rwxr-xr-x | lib/cpp/test/processor/ServerThread.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/lib/cpp/test/processor/ServerThread.h b/lib/cpp/test/processor/ServerThread.h new file mode 100755 index 000000000..0dd512797 --- /dev/null +++ b/lib/cpp/test/processor/ServerThread.h @@ -0,0 +1,143 @@ +/* + * 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. + */ +#ifndef _THRIFT_TEST_SERVERTHREAD_H_ +#define _THRIFT_TEST_SERVERTHREAD_H_ 1 + +#include <thrift/TProcessor.h> +#include <thrift/protocol/TProtocol.h> +#include <thrift/server/TServer.h> +#include <thrift/transport/TTransport.h> + +#include "EventLog.h" + +namespace apache { namespace thrift { namespace test { + +/** + * A helper class to tell ServerThread how to create the server + */ +class ServerState { + public: + virtual ~ServerState() {} + + /** + * Create a server to listen on the specified port. + * + * If the server returned fails to bind to the specified port when serve() is + * called on it, createServer() may be called again on a different port. + */ + virtual boost::shared_ptr<server::TServer> createServer(uint16_t port) = 0; + + /** + * Get the TServerEventHandler to set on the server. + * + * This is only called after the server successfully binds and is about to + * start serving traffic. It is invoked from the server thread, rather than + * the main thread. + */ + virtual boost::shared_ptr<server::TServerEventHandler> + getServerEventHandler() { + return boost::shared_ptr<server::TServerEventHandler>(); + } + + /** + * This method is called in the server thread after server binding succeeds. + * + * Subclasses may override this method if they wish to record the final + * port that was used for the server. + */ + virtual void bindSuccessful(uint16_t port) { + } +}; + +/** + * ServerThread starts a thrift server running in a separate thread. + */ +class ServerThread { + public: + ServerThread(const boost::shared_ptr<ServerState>& state, bool autoStart) : + helper_(new Helper(this)), + port_(0), + running_(false), + serving_(false), + error_(false), + serverState_(state) { + if (autoStart) { + start(); + } + } + + void start(); + void stop(); + + uint16_t getPort() const { + return port_; + } + + ~ServerThread() { + if (running_) { + try { + stop(); + } catch (...) { + GlobalOutput.printf("error shutting down server"); + } + } + } + + protected: + // Annoying. thrift forces us to use shared_ptr, so we have to use + // a helper class that we can allocate on the heap and give to thrift. + // It would be simpler if we could just make Runnable and TServerEventHandler + // private base classes of ServerThread. + class Helper : public concurrency::Runnable, + public server::TServerEventHandler { + public: + Helper(ServerThread* serverThread) + : serverThread_(serverThread) {} + + void run() { + serverThread_->run(); + } + + void preServe() { + serverThread_->preServe(); + } + + private: + ServerThread* serverThread_; + }; + + void run(); + void preServe(); + + boost::shared_ptr<Helper> helper_; + + uint16_t port_; + bool running_; + bool serving_; + bool error_; + concurrency::Monitor serverMonitor_; + + boost::shared_ptr<ServerState> serverState_; + boost::shared_ptr<server::TServer> server_; + boost::shared_ptr<concurrency::Thread> thread_; +}; + +}}} // apache::thrift::test + +#endif // _THRIFT_TEST_SERVERTHREAD_H_ |