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/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

     AUTHOR:       John DiCamillo


     OVERVIEW
     ========
     User level network message
*/


#ifndef NetMsg_h
#define NetMsg_h

#include <windows.h>
#include "NetAddr.h"
#include "NetGram.h"
#include "NetSock.h"
#include "List.h"

// +-------------------------------------------------------------------+

class NetMsg
{
public:
    static const char* TYPENAME() { return "NetMsg"; }

    enum FLAGS { RELIABLE = 0x01, PRIORITY = 0x02, SCATTER = 0x04 };
    enum TYPES { INVALID    = 0,
                     RESERVED   = 0xF0,
                     MULTIPART  = 0xF1
    };
    enum       { MAX_SIZE   = 250 };

    NetMsg(DWORD nid, void* d, int l, BYTE f=0);
    NetMsg(DWORD nid, BYTE type, const char* text, int len, BYTE f=0);
    ~NetMsg();

    int operator == (const NetMsg& m) const { return msgid == m.msgid &&
                                                     netid == m.netid;   }
    int operator <  (const NetMsg& m) const;

    DWORD       Sequence()        const { return msgid;            }
    DWORD       NetID()           const { return netid;            }
    const BYTE* Data()            const { return data;             }
    BYTE        Type()            const { return data ? *data : 0; }
    int         Length()          const { return len;              }
    BYTE        Flags()           const { return flags;            }

    bool        IsReliable()      const { return flags & RELIABLE ? true : false; }
    bool        IsPriority()      const { return flags & PRIORITY ? true : false; }
    bool        IsScatter()       const { return flags & SCATTER  ? true : false; }

    void        SetSequence(DWORD s)    { msgid = s;               }

private:
    DWORD msgid;
    DWORD netid;
    BYTE* data;
    int   len;
    BYTE  flags;
};

// +-------------------------------------------------------------------+

struct NetMsgMultipart {
    BYTE  type;
    BYTE  len;
    DWORD msgid;
    DWORD partno;
    DWORD nparts;
    BYTE  payload[256];
};

// +-------------------------------------------------------------------+


#endif  // NetMsg_h