From cf05ea3d9f43e4e84d621e1f9d54cbef552b6e2b Mon Sep 17 00:00:00 2001 From: lichao <lichao@aiotlink.com> Date: 星期二, 18 五月 2021 16:53:28 +0800 Subject: [PATCH] fix center init mutex. --- src/shm_msg_queue.h | 74 ++++++++++++++++++++++--------------- 1 files changed, 44 insertions(+), 30 deletions(-) diff --git a/src/shm_msg_queue.h b/src/shm_msg_queue.h index d7b33af..de60fde 100644 --- a/src/shm_msg_queue.h +++ b/src/shm_msg_queue.h @@ -18,59 +18,73 @@ #ifndef SHM_MSG_QUEUE_D847TQXH #define SHM_MSG_QUEUE_D847TQXH +#include "defs.h" #include "msg.h" #include "shm_queue.h" using namespace bhome_shm; using namespace bhome_msg; +#define BH_USE_ATOMIC_Q + class ShmMsgQueue : public StaticDataRef<std::atomic<uint64_t>, ShmMsgQueue> { - typedef ShmObject<SharedQueue<MsgI>> Shmq; - typedef Shmq::ShmType ShmType; - typedef Shmq::Data Queue; - typedef std::function<void()> OnSend; - public: + typedef int64_t RawData; + +#ifdef BH_USE_ATOMIC_Q + typedef ShmObject<SharedQ63<0>> Shmq; +#else + typedef ShmObject<SharedQueue<RawData>> Shmq; + // typedef robust::FMutex Mutex; + // typedef robust::SemMutex Mutex; + typedef robust::NullMutex Mutex; + typedef robust::Guard<Mutex> Guard; +#endif + + typedef Shmq::Data Queue; + typedef Shmq::ShmType ShmType; typedef uint64_t MQId; static MQId NewId(); - ShmMsgQueue(const MQId id, ShmType &segment, const int len); - ShmMsgQueue(ShmType &segment, const int len); + ShmMsgQueue(ShmType &segment, const MQId id, const int len); + ShmMsgQueue(ShmType &segment, const bool create_or_else_find, const MQId id, const int len); + ShmMsgQueue(const int64_t abs_addr, ShmType &segment, const MQId id); ~ShmMsgQueue(); - static bool Remove(SharedMemory &shm, const MQId id); + static bool Remove(ShmType &shm, const MQId id); MQId Id() const { return id_; } ShmType &shm() const { return queue_.shm(); } + int64_t AbsAddr() const { return queue_.offset(); } - bool Recv(MsgI &msg, const int timeout_ms) { return queue_.data()->Read(msg, timeout_ms); } - bool TryRecv(MsgI &msg) { return queue_.data()->TryRead(msg); } - static Queue *Find(SharedMemory &shm, const MQId remote_id); - static bool TrySend(SharedMemory &shm, const MQId remote_id, const MsgI &msg, OnSend const &onsend = OnSend()); - template <class Iter> - static int TrySendAll(SharedMemory &shm, const MQId remote_id, const Iter begin, const Iter end, OnSend const &onsend = OnSend()) + bool Recv(RawData &val, const int timeout_ms) { - Queue *remote = Find(shm, remote_id); - if (remote) { - if (onsend) { - return remote->TryWrite(begin, end, [&onsend](const MsgI &msg) { onsend(); msg.AddRef(); }); - } else { - return remote->TryWrite(begin, end, [](const MsgI &msg) { msg.AddRef(); }); - } - } else { - // SetLestError(eNotFound); - return 0; - } +#ifndef BH_USE_ATOMIC_Q + Guard lock(GetMutex(Id())); +#endif + return queue().Read(val, timeout_ms); } - template <class... Rest> - bool TrySend(const MQId remote_id, Rest const &...rest) { return TrySend(shm(), remote_id, rest...); } - template <class... Rest> - int TrySendAll(const MQId remote_id, Rest const &...rest) { return TrySendAll(shm(), remote_id, rest...); } + bool TryRecv(RawData &val) + { +#ifndef BH_USE_ATOMIC_Q + Guard lock(GetMutex(Id())); +#endif + return queue().TryRead(val); + } + + bool Recv(MsgI &msg, const int timeout_ms) { return Recv(msg.OffsetRef(), timeout_ms); } + bool TryRecv(MsgI &msg) { return TryRecv(msg.OffsetRef()); } + static Queue *Find(ShmType &shm, const MQId remote); + static bool TrySend(ShmType &shm, const MQInfo &remote, const RawData val); + bool TrySend(const MQInfo &remote, const RawData val) { return TrySend(shm(), remote, val); } private: +#ifndef BH_USE_ATOMIC_Q + static Mutex &GetMutex(const MQId id); +#endif MQId id_; - Shmq &queue() { return queue_; } + Queue &queue() { return *queue_.data(); } Shmq queue_; }; -- Gitblit v1.8.0