InternalPacket.h

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#ifndef __INTERNAL_PACKET_H
#define __INTERNAL_PACKET_H

#include "PacketPriority.h"
#include "RakNetTypes.h"
#include "RakMemoryOverride.h"
#include "RakNetDefines.h"
#include "NativeTypes.h"
#include "RakNetDefines.h"
#if USE_SLIDING_WINDOW_CONGESTION_CONTROL!=1
#include "CCRakNetUDT.h"
#else
#include "CCRakNetSlidingWindow.h"
#endif

namespace RakNet {

typedef uint16_t SplitPacketIdType;
typedef uint32_t SplitPacketIndexType;

typedef uint24_t MessageNumberType;

typedef MessageNumberType OrderingIndexType;

typedef RakNet::TimeUS RemoteSystemTimeType;

struct InternalPacketFixedSizeTransmissionHeader
{
    MessageNumberType reliableMessageNumber;
    OrderingIndexType orderingIndex;
    // Used only with sequenced messages
    OrderingIndexType sequencingIndex;
    unsigned char orderingChannel;
    SplitPacketIdType splitPacketId;
    SplitPacketIndexType splitPacketIndex;
    SplitPacketIndexType splitPacketCount;;
    BitSize_t dataBitLength;
    PacketReliability reliability;
    // Not endian safe
    // unsigned char priority : 3;
    // unsigned char reliability : 5;
};

struct InternalPacketRefCountedData
{
    unsigned char *sharedDataBlock;
    unsigned int refCount;
};

struct InternalPacket : public InternalPacketFixedSizeTransmissionHeader
{
    MessageNumberType messageInternalOrder;
    bool messageNumberAssigned;
//  bool allowWindowUpdate;
    RakNet::TimeUS creationTime;
    RakNet::TimeUS nextActionTime;
    // Size of the header when encoded into a bitstream
    BitSize_t headerLength;
    unsigned char *data;
    enum AllocationScheme
    {
        NORMAL,

        REF_COUNTED,
    
        STACK
    } allocationScheme;
    InternalPacketRefCountedData *refCountedData;
//  unsigned char timesSent;
    PacketPriority priority;
    uint32_t sendReceiptSerial;

    // Used for the resend queue
    // Linked list implementation so I can remove from the list via a pointer, without finding it in the list
    InternalPacket *resendPrev, *resendNext,*unreliablePrev,*unreliableNext;

    unsigned char stackData[128];
};

} // namespace RakNet

#endif