| | |
| | | * Revision: none |
| | | * Compiler: gcc |
| | | * |
| | | * Author: LiChao (), |
| | | * Author: Li Chao (), |
| | | * Organization: |
| | | * |
| | | * ===================================================================================== |
| | |
| | | #include <boost/noncopyable.hpp> |
| | | #include <boost/date_time/posix_time/posix_time.hpp> |
| | | #include <boost/uuid/uuid.hpp> |
| | | #include "msg.h" |
| | | |
| | | namespace bhome_shm { |
| | | |
| | |
| | | template <class D> using Circular = boost::circular_buffer<D, Allocator<D> >; |
| | | |
| | | typedef boost::uuids::uuid MQId; |
| | | |
| | | template <class D> |
| | | class SyncedQueue : private Circular<D> |
| | | { |
| | |
| | | } |
| | | |
| | | public: |
| | | template <class...T> SyncedQueue(MQId id, T&&...t):Super(t...), id_(id) {} |
| | | // template <class...T> SyncedQueue(const MQId &id, T&&...t):Super(t...), id_(id) {} |
| | | SyncedQueue(const MQId &id, const uint32_t len, Allocator<D> const& alloc):Super(len, alloc), id_(id) {} |
| | | using Super::size; |
| | | using Super::capacity; |
| | | MQId Id() const { return id_; } |
| | | const MQId &Id() const { return id_; } |
| | | bool Write(D buf, const int timeout_ms) { |
| | | Guard lock(mutex()); |
| | | if (cond_write_.timed_wait(lock, MSFromNow(timeout_ms), [&]() { return !this->full(); })) { |
| | |
| | | } |
| | | }; |
| | | |
| | | // safe to be stored in shared memory. |
| | | struct Msg { |
| | | MQId src_; |
| | | offset_ptr<void> data_; |
| | | size_t size_; |
| | | }; |
| | | |
| | | class ShmMsgQueue : private ShmObject<SyncedQueue<Msg> > |
| | | { |
| | | typedef ShmObject<SyncedQueue<Msg> > SharedQueue; |
| | |
| | | bool Write(const Msg &buf, const int timeout_ms) { return data()->Write(buf, timeout_ms); } |
| | | bool Read(Msg &buf, const int timeout_ms) { return data()->Read(buf, timeout_ms); } |
| | | public: |
| | | ShmMsgQueue(MQId id, ShmType &segment, const uint32_t len); |
| | | ShmMsgQueue(const MQId &id, ShmType &segment, const uint32_t len); |
| | | ShmMsgQueue(ShmType &segment, const uint32_t len); |
| | | ~ShmMsgQueue(); |
| | | bool Send(MQId remote_id, const void *data, const size_t size, const int timeout_ms); |
| | | bool Send(const MQId &remote_id, const void *data, const size_t size, const int timeout_ms); |
| | | bool Recv(MQId &source_id, void *&data, size_t &size, const int timeout_ms); |
| | | using SharedQueue::Remove; |
| | | MQId Id() const { return data()->Id(); } |
| | | const MQId &Id() const { return data()->Id(); } |
| | | }; |
| | | |
| | | } // namespace bhome_shm |