library/cpp/messagebus/remote_server_session_semaphore.h


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#pragma once 
 
#include "cc_semaphore.h"

#include <util/generic/noncopyable.h> 
 
namespace NBus {
    namespace NPrivate {
        class TRemoteServerSessionSemaphore: public TComplexConditionSemaphore<TRemoteServerSessionSemaphore> {
        private:
            const char* const Name;
 
            TAtomicBase const LimitCount;
            TAtomicBase const LimitSize;
            TAtomic CurrentCount;
            TAtomic CurrentSize;
            TAtomic PausedByUser;
            TAtomic StopSignal;
 
        public:
            TRemoteServerSessionSemaphore(TAtomicBase limitCount, TAtomicBase limitSize, const char* name = "unnamed");
            ~TRemoteServerSessionSemaphore();
 
            TAtomicBase GetCurrentCount() const {
                return AtomicGet(CurrentCount);
            }
            TAtomicBase GetCurrentSize() const {
                return AtomicGet(CurrentSize);
            }
 
            void IncrementMultiple(TAtomicBase count, TAtomicBase size);
            bool TryWait();
            void ReleaseMultiple(TAtomicBase count, TAtomicBase size);
            void Stop();
            void PauseByUsed(bool pause);
 
        private:
            void CheckNeedToUnlock();
        };
 
    }
}