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FairMQ: Introduce callbacks for the FairMQUnmanagedRegion.

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Callbacks are called when the data buffer of the message assiciated
with the corresponding region is no longer needed by the transport.
Example in examples/advanced/Region/
This commit is contained in:
Alexey Rybalchenko
2017-11-14 17:00:37 +01:00
committed by Mohammad Al-Turany
parent 378c47c5e5
commit 58a312b730
39 changed files with 747 additions and 548 deletions
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36
fairmq/shmem/FairMQMessageSHM.h
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@@ -18,54 +18,52 @@
#include "FairMQMessage.h"
#include "FairMQUnmanagedRegion.h"
#include "FairMQShmManager.h"
#include "Manager.h"
class FairMQMessageSHM : public FairMQMessage
{
friend class FairMQSocketSHM;
public:
FairMQMessageSHM();
FairMQMessageSHM(const size_t size);
FairMQMessageSHM(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr);
FairMQMessageSHM(FairMQUnmanagedRegionPtr& region, void* data, const size_t size);
FairMQMessageSHM(fair::mq::shmem::Manager& manager);
FairMQMessageSHM(fair::mq::shmem::Manager& manager, const size_t size);
FairMQMessageSHM(fair::mq::shmem::Manager& manager, void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr);
FairMQMessageSHM(fair::mq::shmem::Manager& manager, FairMQUnmanagedRegionPtr& region, void* data, const size_t size);
FairMQMessageSHM(const FairMQMessageSHM&) = delete;
FairMQMessageSHM operator=(const FairMQMessageSHM&) = delete;
bool InitializeChunk(const size_t size);
virtual void Rebuild();
virtual void Rebuild(const size_t size);
virtual void Rebuild(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr);
void Rebuild() override;
void Rebuild(const size_t size) override;
void Rebuild(void* data, const size_t size, fairmq_free_fn* ffn, void* hint = nullptr) override;
virtual void* GetMessage();
virtual void* GetData();
virtual size_t GetSize();
void* GetMessage() override;
void* GetData() override;
size_t GetSize() override;
virtual void SetMessage(void* data, const size_t size);
void SetMessage(void* data, const size_t size) override;
virtual void SetDeviceId(const std::string& deviceId);
FairMQ::Transport GetType() const override;
virtual FairMQ::Transport GetType() const;
virtual void Copy(const std::unique_ptr<FairMQMessage>& msg);
void Copy(const std::unique_ptr<FairMQMessage>& msg) override;
void CloseMessage();
virtual ~FairMQMessageSHM();
~FairMQMessageSHM() override;
private:
fair::mq::shmem::Manager& fManager;
zmq_msg_t fMessage;
bool fQueued;
bool fMetaCreated;
static std::atomic<bool> fInterrupted;
static FairMQ::Transport fTransportType;
uint64_t fRegionId;
bipc::managed_shared_memory::handle_t fHandle;
boost::interprocess::managed_shared_memory::handle_t fHandle;
size_t fSize;
void* fLocalPtr;
boost::interprocess::mapped_region* fRemoteRegion; // cache region ptr
};
#endif /* FAIRMQMESSAGESHM_H_ */