/*
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* =====================================================================================
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*
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* Filename: socket.h
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*
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* Description:
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*
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* Version: 1.0
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* Created: 2021年03月30日 15时49分19秒
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* Revision: none
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* Compiler: gcc
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*
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* Author: Li Chao (),
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* Organization:
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*
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* =====================================================================================
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*/
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#ifndef SOCKET_GWTJHBPO
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#define SOCKET_GWTJHBPO
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#include "shm_queue.h"
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#include <atomic>
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#include <boost/noncopyable.hpp>
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#include <functional>
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#include <memory>
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#include <mutex>
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#include <thread>
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#include <vector>
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class ShmSocket : private boost::noncopyable
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{
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protected:
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typedef bhome_shm::ShmMsgQueue Queue;
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public:
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typedef bhome_shm::SharedMemory Shm;
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typedef std::function<void(bhome_msg::BHMsg &msg)> RecvCB;
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typedef std::function<void(bhome_msg::MsgI &imsg)> RecvRawCB;
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ShmSocket(Shm &shm, const int len = 12);
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~ShmSocket();
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// start recv.
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bool Start(const RecvCB &onData, int nworker = 1);
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bool StartRaw(const RecvRawCB &onData, int nworker = 1);
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bool Stop();
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size_t Pending() const { return mq_ ? mq_->Pending() : 0; }
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protected:
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ShmSocket(Shm &shm, const void *id, const int len);
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Shm &shm() { return shm_; }
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const Shm &shm() const { return shm_; }
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Queue &mq() { return *mq_; } // programmer should make sure that mq_ is valid.
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const Queue &mq() const { return *mq_; }
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std::mutex &mutex() { return mutex_; }
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bool SyncSend(const void *id, const bhome_msg::BHMsg &msg, const int timeout_ms);
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bool SyncRecv(bhome_msg::BHMsg &msg, const int timeout_ms);
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private:
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bool StopNoLock();
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bool RunningNoLock() { return !workers_.empty(); }
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Shm &shm_;
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std::vector<std::thread> workers_;
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std::mutex mutex_;
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std::atomic<bool> run_;
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std::unique_ptr<Queue> mq_;
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};
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#endif // end of include guard: SOCKET_GWTJHBPO
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