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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/lib/cpp/test/processor/ServerThread.h | |
parent | Initial commit. (diff) | |
download | ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.tar.xz ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/lib/cpp/test/processor/ServerThread.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/cpp/test/processor/ServerThread.h b/src/jaegertracing/thrift/lib/cpp/test/processor/ServerThread.h new file mode 100644 index 000000000..9cca2d600 --- /dev/null +++ b/src/jaegertracing/thrift/lib/cpp/test/processor/ServerThread.h @@ -0,0 +1,135 @@ +/* + * 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() = default; + + /** + * 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 std::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 std::shared_ptr<server::TServerEventHandler> getServerEventHandler() { + return std::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 std::shared_ptr<ServerState>& state, bool autoStart) + : 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() override { serverThread_->run(); } + + void preServe() override { serverThread_->preServe(); } + + private: + ServerThread* serverThread_; + }; + + void run(); + void preServe(); + + std::shared_ptr<Helper> helper_; + + uint16_t port_; + bool running_; + bool serving_; + bool error_; + concurrency::Monitor serverMonitor_; + + std::shared_ptr<ServerState> serverState_; + std::shared_ptr<server::TServer> server_; + std::shared_ptr<concurrency::Thread> thread_; +}; +} +} +} // apache::thrift::test + +#endif // _THRIFT_TEST_SERVERTHREAD_H_ |