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flightgear/src/Server/message.hxx

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2.4 KiB
C++

// message.hxx -- Multiplayer Client/Server message base class
//
// Written by John Barrett, started November 2003.
//
// Copyright (C) 2003 John R. Barrett - jbarrett@accesshosting.com
//
// 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.
//
#ifndef _FG_MPS_MESSAGE_HXX
#define _FG_MPS_MESSAGE_HXX
#include <simgear/compiler.h>
#include STL_STRING
#include <stdexcept>
#include <map>
SG_USING_STD(string);
SG_USING_STD(invalid_argument);
SG_USING_STD(map);
#include "messagebuf.hxx"
typedef enum
{
fgmps_null = 0x00,
fgmps_uchar = 0xf0,
fgmps_uint = 0xf1,
fgmps_ulong = 0xf2,
fgmps_ulonglong = 0xf3,
fgmps_char = 0xf4,
fgmps_int = 0xf5,
fgmps_long = 0xf6,
fgmps_longlong = 0xf7,
fgmps_float = 0xf8,
fgmps_double = 0xf9,
fgmps_string = 0xfa,
fgmps_reserved = 0xfb,
fgmps_eom = 0xfc,
fgmps_som8 = 0xfd,
fgmps_som16 = 0xfe,
fgmps_esc = 0xfe
} FGMPSMsgElementType;
typedef struct
{
FGMPSMsgElementType type;
void * data;
} FGMPSMsgElementEntry;
#define FGMPSMsgElementArrayEnd {fgmps_null, 0}
class FGMPSMessage;
typedef FGMPSMessage* FGMPSMessagePtr;
typedef FGMPSMessagePtr (*FGMPSMsgInstanceFunc)(void);
typedef map<unsigned int, FGMPSMsgInstanceFunc> FGMPSInstanceFuncMap;
class FGMPSMessage
{
private:
static FGMPSInstanceFuncMap funcmap;
FGMPSMsgElementEntry elements[1];
protected:
FGMPSMessageBuf buf;
unsigned int msgid;
public:
static int registermsg(int msgid, FGMPSMsgInstanceFunc func)
{
funcmap[msgid] = func;
}
FGMPSMessage();
~FGMPSMessage() {}
string encodemsg();
static FGMPSMessage* decodemsg(string msg);
unsigned int getmessageid() { return msgid; }
virtual FGMPSMsgElementEntry* getelements() { return elements; }
};
#endif