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/* bzflag
* Copyright (c) 1993-2025 Tim Riker
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the license found in the file
* named COPYING that should have accompanied this file.
*
* THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#ifndef __PING_H__
#define __PING_H__
#include "common.h"
/* system headers */
#include <fstream>
/* common interface headers */
#include "Address.h"
#include "Pack.h"
// 8 uint16's and 13 uint8's hex encoded
static const int PingPacketHexPackedSize = 4 * 8 + 2 * 13;
/** PingPacket:
* Encapsulates server `ping' info.
*/
class PingPacket
{
public:
PingPacket();
~PingPacket();
bool read(int fd, struct sockaddr_in*);
bool write(int fd, const struct sockaddr_in*) const;
bool waitForReply(int fd, const Address& from,
int millisecondsToBlock = 0);
void* pack(void*, const char* version) const;
const void* unpack(const void*, char* version);
void packHex(char*) const;
void unpackHex(char*);
void zeroPlayerCounts();
void writeToFile(std::ostream& out) const;
bool readFromFile(std::istream& in);
static void repackHexPlayerCounts(char*, int* counts);
static bool isRequest(int fd, struct sockaddr_in*);
static bool sendRequest(int fd, const struct sockaddr_in*);
public:
ServerId serverId;
Address sourceAddr;
uint16_t gameOptions;
uint16_t gameType;
uint16_t maxShots;
uint16_t shakeWins;
uint16_t shakeTimeout; // 1/10ths of second
uint16_t maxPlayerScore;
uint16_t maxTeamScore;
uint16_t maxTime; // seconds
uint8_t maxPlayers;
uint8_t rogueCount;
uint8_t rogueMax;
uint8_t redCount;
uint8_t redMax;
uint8_t greenCount;
uint8_t greenMax;
uint8_t blueCount;
uint8_t blueMax;
uint8_t purpleCount;
uint8_t purpleMax;
uint8_t observerCount;
uint8_t observerMax;
private:
static int hex2bin(char);
static char bin2hex(int);
static char* packHex16(char*, uint16_t);
static char* unpackHex16(char*, uint16_t&);
static char* packHex8(char*, uint8_t);
static char* unpackHex8(char*, uint8_t&);
private:
static const int PacketSize;
};
#endif /* __PING_H__ */
// Local Variables: ***
// mode: C++ ***
// tab-width: 4 ***
// c-basic-offset: 4 ***
// indent-tabs-mode: nil ***
// End: ***
// ex: shiftwidth=4 tabstop=4
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