/*
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* =====================================================================================
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*
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* Filename: reqrep.h
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*
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* Description: topic request/reply sockets
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*
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* Version: 1.0
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* Created: 2021年04月01日 09时36分06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 REQREP_ACEH09NK
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#define REQREP_ACEH09NK
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#include "defs.h"
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#include "socket.h"
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#include <functional>
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#include <unordered_map>
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class SocketRequest : private ShmSocket
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{
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typedef ShmSocket Socket;
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public:
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SocketRequest(Socket::Shm &shm) :
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Socket(shm, 64) { StartWorker(); }
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SocketRequest() :
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SocketRequest(BHomeShm()) {}
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typedef std::function<void(const std::string &data)> RequestResultCB;
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bool StartWorker(const RequestResultCB &rrcb, int nworker = 2);
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bool StartWorker(int nworker = 2) { return StartWorker(RequestResultCB(), nworker); }
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bool AsyncRequest(const std::string &topic, const void *data, const size_t size, const int timeout_ms, const RequestResultCB &rrcb);
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bool AsyncRequest(const std::string &topic, const std::string &data, const int timeout_ms, const RequestResultCB &rrcb)
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{
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return AsyncRequest(topic, data.data(), data.size(), timeout_ms, rrcb);
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}
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bool SyncRequest(const std::string &topic, const void *data, const size_t size, const int timeout_ms, std::string &out);
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bool SyncRequest(const std::string &topic, const std::string &data, const int timeout_ms, std::string &out)
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{
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return SyncRequest(topic, data.data(), data.size(), timeout_ms, out);
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}
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private:
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bool AsyncSend(const void *remote, const void *msg, const int timeout_ms, const RecvCB &cb);
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bool SyncSendAndRecv(const void *remote, const void *msg, void *result, const int timeout_ms);
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bool QueryRPCTopic(const std::string &topic, bhome::msg::BHAddress &addr, const int timeout_ms);
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std::unordered_map<std::string, RecvCB> async_cbs_;
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};
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#endif // end of include guard: REQREP_ACEH09NK
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