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#pragma once

#include "socket.h" 
 
#include <util/generic/ptr.h>
#include <util/datetime/base.h> 

class TSocketPoller { 
public: 
    TSocketPoller(); 
    ~TSocketPoller();
 
    void WaitRead(SOCKET sock, void* cookie); 
    void WaitWrite(SOCKET sock, void* cookie); 
    void WaitReadWrite(SOCKET sock, void* cookie); 
    void WaitRdhup(SOCKET sock, void* cookie);
 
    void WaitReadOneShot(SOCKET sock, void* cookie); 
    void WaitWriteOneShot(SOCKET sock, void* cookie); 
    void WaitReadWriteOneShot(SOCKET sock, void* cookie); 

    void WaitReadWriteEdgeTriggered(SOCKET sock, void* cookie);
    void RestartReadWriteEdgeTriggered(SOCKET sock, void* cookie, bool empty = true);

    void Unwait(SOCKET sock); 
 
    size_t WaitD(void** events, size_t len, const TInstant& deadLine); 
 
    inline size_t WaitT(void** events, size_t len, const TDuration& timeOut) { 
        return WaitD(events, len, timeOut.ToDeadLine()); 
    } 
 
    inline size_t WaitI(void** events, size_t len) { 
        return WaitD(events, len, TInstant::Max()); 
    } 
 
    inline void* WaitD(const TInstant& deadLine) { 
        void* ret; 
 
        if (WaitD(&ret, 1, deadLine)) { 
            return ret; 
        } 
 
        return nullptr;
    } 
 
    inline void* WaitT(const TDuration& timeOut) { 
        return WaitD(timeOut.ToDeadLine()); 
    } 
 
    inline void* WaitI() { 
        return WaitD(TInstant::Max()); 
    } 
 
private: 
    class TImpl; 
    THolder<TImpl> Impl_; 
};