mserv.h

// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2023 by Sonic Team Junior.
// Copyright (C) 2020-2023 by James R.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file  mserv.h
/// \brief Header file for the master server routines

#ifndef _MSERV_H_
#define _MSERV_H_

#include "../i_threads.h"

// lowered from 32 due to menu changes
#define NUM_LIST_ROOMS 16

#if defined(_MSC_VER)
#pragma pack(1)
#endif

typedef union
{
	char buffer[16]; // information such as password
	UINT32 signature;
} ATTRPACK msg_header_t;

// Keep this structure 8 bytes aligned (current size is 80)
typedef struct
{
	msg_header_t header;
	char ip[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"];
	char port[8];
	char name[32];
	INT32 room;
	char version[8]; // format is: x.yy.z (like 1.30.2 or 1.31)
} ATTRPACK msg_server_t;

typedef struct
{
	msg_header_t header;
	INT32 id;
	char name[32];
	char motd[255];
} ATTRPACK msg_rooms_t;

typedef struct
{
	msg_header_t header;
	char ipstart[16];
	char ipend[16];
	char endstamp[32];
	char reason[255];
	INT32 hostonly;
} ATTRPACK msg_ban_t;

#if defined(_MSC_VER)
#pragma pack()
#endif

// ================================ GLOBALS ===============================

extern consvar_t cv_masterserver, cv_servername;
extern consvar_t cv_masterserver_update_rate;
extern consvar_t cv_masterserver_timeout;
extern consvar_t cv_masterserver_debug;
extern consvar_t cv_masterserver_token;

// < 0 to not connect (usually -1) (offline mode)
// == 0 to show all rooms, not a valid hosting room
// anything else is whatever room the MS assigns to that number (online mode)
extern INT16 ms_RoomId;

#ifdef HAVE_THREADS
extern int           ms_QueryId;
extern I_mutex       ms_QueryId_mutex;

extern msg_server_t *ms_ServerList;
extern I_mutex       ms_ServerList_mutex;
#endif

void RegisterServer(void);
void UnregisterServer(void);

void MasterClient_Ticker(void);

msg_server_t *GetShortServersList(INT32 room, int id);
INT32 GetRoomsList(boolean hosting, int id);
#ifdef UPDATE_ALERT
char *GetMODVersion(int id);
void GetMODVersion_Console(void);
#endif
extern msg_rooms_t room_list[NUM_LIST_ROOMS+1];

void AddMServCommands(void);

/* HTTP */
void HMS_set_api (char *api);
int  HMS_fetch_rooms (int joining, int id);
int  HMS_register (void);
int  HMS_unlist (void);
int  HMS_update (void);
void HMS_list_servers (void);
msg_server_t * HMS_fetch_servers (msg_server_t *list, int room, int id);
int  HMS_compare_mod_version (char *buffer, size_t size_of_buffer);

#endif