//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either
//version 2 of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#pragma once

#include "ThrottledSocket.h" // ZZ:UploadBandWithThrottler (UDP)

class UploadBandwidthThrottler :
    public CWinThread 
{
public:
    UploadBandwidthThrottler(void);
    ~UploadBandwidthThrottler(void);

    uint64 GetNumberOfSentBytesSinceLastCallAndReset();
    uint64 GetNumberOfSentBytesOverheadSinceLastCallAndReset();
    uint32 GetHighestNumberOfFullyActivatedSlotsSinceLastCallAndReset();

    uint32 GetStandardListSize() { return m_StandardOrder_list.GetSize(); };

    void AddToStandardList(uint32 index, ThrottledFileSocket* socket);
    bool RemoveFromStandardList(ThrottledFileSocket* socket);

    void QueueForSendingControlPacket(ThrottledControlSocket* socket, bool hasSent = false); // ZZ:UploadBandWithThrottler (UDP)
    void RemoveFromAllQueues(ThrottledControlSocket* socket) { RemoveFromAllQueues(socket, true); }; // ZZ:UploadBandWithThrottler (UDP)
    void RemoveFromAllQueues(ThrottledFileSocket* socket);

    void EndThread();

    void Pause(bool paused);
    static uint32 UploadBandwidthThrottler::GetSlotLimit(uint32 currentUpSpeed);

    void SignalNoLongerBusy();
private:
    static UINT RunProc(LPVOID pParam);
    UINT RunInternal();

    void RemoveFromAllQueues(ThrottledControlSocket* socket, bool lock); // ZZ:UploadBandWithThrottler (UDP)
    bool RemoveFromStandardListNoLock(ThrottledFileSocket* socket);

    uint32 CalculateChangeDelta(uint32 numberOfConsecutiveChanges) const;

    CTypedPtrList<CPtrList, ThrottledControlSocket*> m_ControlQueue_list; // a queue for all the sockets that want to have Send() called on them. // ZZ:UploadBandWithThrottler (UDP)
    CTypedPtrList<CPtrList, ThrottledControlSocket*> m_ControlQueueFirst_list; // a queue for all the sockets that want to have Send() called on them. // ZZ:UploadBandWithThrottler (UDP)
    CTypedPtrList<CPtrList, ThrottledControlSocket*> m_TempControlQueue_list; // sockets that wants to enter m_ControlQueue_list // ZZ:UploadBandWithThrottler (UDP)
    CTypedPtrList<CPtrList, ThrottledControlSocket*> m_TempControlQueueFirst_list; // sockets that wants to enter m_ControlQueue_list and has been able to send before // ZZ:UploadBandWithThrottler (UDP)

    CArray<ThrottledFileSocket*, ThrottledFileSocket*> m_StandardOrder_list; // sockets that have upload slots. Ordered so the most prioritized socket is first

    CCriticalSection sendLocker;
    CCriticalSection tempQueueLocker;
    CCriticalSection sendBytesLocker;

    CEvent* threadEndedEvent;
    CEvent* pauseEvent;

    uint64 m_SentBytesSinceLastCall;
    uint64 m_SentBytesSinceLastCallOverhead;
    uint32 m_highestNumberOfFullyActivatedSlots;

    bool doRun;

    CEvent busyEvent;
};
