/* server.h (description) Copyright (C) 1996-1997 Id Software, Inc. 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: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA $Id$ */ // server.h #ifndef _SERVER_H #define _SERVER_H #include #include "QF/info.h" #include "QF/model.h" #include "QF/quakeio.h" #include "QF/sizebuf.h" #include "host.h" #include "netchan.h" #include "qw/bothdefs.h" #include "qw/msg_backbuf.h" #include "qw/protocol.h" #define QW_SERVER #define MAX_MASTERS 32 // max recipients for heartbeat packets #define MAX_SIGNON_BUFFERS 8 typedef enum { ss_dead, // no map loaded ss_loading, // spawning level edicts ss_active // actively running } server_state_t; // some qc commands are valid only before the server has finished // initializing (precache commands, static sounds / objects, etc) typedef struct { qboolean active; // false when server is going down server_state_t state; // precache commands are valid only during load double time; int lastcheck; // used by PF_checkclient double lastchecktime; // for monster ai qboolean paused; // are we paused? //check player/eyes models for hacks unsigned int model_player_checksum; unsigned int eyes_player_checksum; char name[64]; // map name char modelname[MAX_QPATH]; // maps/.bsp, for model_precache[0] struct model_s *worldmodel; const char *model_precache[MAX_MODELS]; // NULL terminated const char *sound_precache[MAX_SOUNDS]; // NULL terminated const char *lightstyles[MAX_LIGHTSTYLES]; struct model_s *models[MAX_MODELS]; int num_edicts; // increases towards MAX_EDICTS struct edict_s *edicts; // can NOT be array indexed, because // struct edict_s is variable sized, but can // be used to reference the world ent byte *pvs, *phs; // fully expanded and decompressed // added to every client's unreliable buffer each frame, then cleared sizebuf_t datagram; byte datagram_buf[MAX_DATAGRAM]; // added to every client's reliable buffer each frame, then cleared sizebuf_t reliable_datagram; byte reliable_datagram_buf[MAX_MSGLEN]; // the multicast buffer is used to send a message to a set of clients sizebuf_t multicast; byte multicast_buf[MAX_MSGLEN]; // the master buffer is used for building log packets sizebuf_t master; byte master_buf[MAX_DATAGRAM]; // the signon buffer will be sent to each client as they connect // includes the entity baselines, the static entities, etc // large levels will have >MAX_DATAGRAM sized signons, so // multiple signon messages are kept sizebuf_t signon; int num_signon_buffers; int signon_buffer_size[MAX_SIGNON_BUFFERS]; byte signon_buffers[MAX_SIGNON_BUFFERS][MAX_DATAGRAM]; // demo stuff int recording_demo; struct recorder_s *recorders; } server_t; #define NUM_SPAWN_PARMS 16 typedef enum { cs_free, // can be reused for a new connection cs_server, // client is grabbed by the server for its own purposes cs_zombie, // client has been disconnected, but don't reuse // connection for a couple seconds cs_connected, // has been assigned to a client_t, but not in game yet cs_spawned // client is fully in game } sv_client_state_t; typedef struct { // received from client // reply double senttime; float ping_time; packet_entities_t entities; packet_players_t players; } client_frame_t; typedef enum { dt_tp_normal, dt_tp_demo, dt_tp_qtv, } delta_type_t; typedef enum { dt_pvs_normal, dt_pvs_fat, dt_pvs_none, } delta_pvs_t; typedef struct { delta_type_t type; delta_pvs_t pvs; int delta_sequence; int cur_frame; int out_frame; int in_frame; struct client_s *client; client_frame_t frames[UPDATE_BACKUP]; // updates can be deltad from here } delta_t; #define MAX_BACK_BUFFERS 8 #define MAX_STUFFTEXT 512 #define MAX_NAME 32 typedef enum { ft_ban, ft_mute, // mute penalty save over disconnect ft_cuff, // cuff penatly save over disconnect } filtertype_t; typedef struct client_s { sv_client_state_t state; int ping; // fake ping for server clients qboolean prespawned; qboolean spawned; int spectator; // non-interactive qboolean sendinfo; // at end of frame, send info to all // this prevents malicious multiple // broadcasts float lastnametime; // time of last name change int lastnamecount; // time of last name change qboolean drop; // lose this guy next opportunity int lossage; // loss percentage int userid; // identifying number struct info_s *userinfo; // infostring usercmd_t lastcmd; // for filling in big drops and partial predictions double localtime; // of last message int oldbuttons; int oldonground; float maxspeed; // localized maxspeed float entgravity; // localized ent gravity struct edict_s *edict; // EDICT_NUM(clientnum+1) char name[MAX_NAME]; // for printing to other people // extracted from userinfo int messagelevel; // for filtering printed messages // the datagram is written to after every frame, but cleared only // when it is sent out to the client. overflow is tolerated. sizebuf_t datagram; byte datagram_buf[MAX_DATAGRAM]; // back buffers for client reliable data backbuf_t backbuf; char stufftext_buf[MAX_STUFFTEXT]; double connection_started; // or time of disconnect for zombies qboolean send_message; // set on frames a datagram arived on // spawn parms are carried from level to level float spawn_parms[NUM_SPAWN_PARMS]; // client known data for deltas int old_frags; int stats[MAX_CL_STATS]; delta_t delta; QFile *download; // file being downloaded int downloadsize; // total bytes int downloadcount; // bytes sent int spec_track; // entnum of player tracking double whensaid[10]; // JACK: For floodprots int whensaidhead; // Head value for floodprots double lockedtill; QFile *upload; struct dstring_s *uploadfn; netadr_t snap_from; qboolean remote_snap; //===== NETWORK ============ int chokecount; netchan_t netchan; int msecs, msec_cheating; double last_check; double cuff_time; float stdver; } client_t; // a client can leave the server in one of four ways: // dropping properly by quiting or disconnecting // timing out if no valid messages are received for timeout->value seconds // getting kicked off by the server operator // a program error, like an overflowed reliable buffer extern qboolean rcon_from_user; // current command is a from a user //============================================================================ #define STATFRAMES 100 typedef struct { double active; double idle; double demo; int count; int packets; double latched_active; double latched_idle; double latched_demo; int latched_packets; } svstats_t; // MAX_CHALLENGES is made large to prevent a denial // of service attack that could cycle all of them // out before legitimate users connected #define MAX_CHALLENGES 1024 typedef struct { netadr_t adr; int challenge; int time; } challenge_t; typedef struct { int spawncount; // number of servers spawned since start, // used to check late spawns client_t clients[MAX_CLIENTS]; int maxclients; int num_clients; int serverflags; // episode completion information double last_heartbeat; int heartbeat_sequence; svstats_t stats; info_t *info; // log messages are used so that fraglog processes can get stats int logsequence; // the message currently being filled double logtime; // time of last swap sizebuf_t log[2]; byte log_buf[2][MAX_DATAGRAM]; challenge_t challenges[MAX_CHALLENGES]; // to prevent invalid IPs from connecting // demo stuff byte *demomem; int demomemsize; } server_static_t; //============================================================================= // DoSflood protection //============================================================================= typedef struct { netadr_t adr; double issued; int floodcount; int cmdcount; double firstseen; } flood_t; typedef enum { FLOOD_PING, FLOOD_LOG, FLOOD_CONNECT, FLOOD_STATUS, FLOOD_RCON, FLOOD_BAN } flood_enum_t; #define DOSFLOODCMDS 6 #define DOSFLOODIP 64 // remember latest 64 IP's for each cmd. //============================================================================= // edict->movetype values #define MOVETYPE_NONE 0 // never moves #define MOVETYPE_ANGLENOCLIP 1 #define MOVETYPE_ANGLECLIP 2 #define MOVETYPE_WALK 3 // gravity #define MOVETYPE_STEP 4 // gravity, special edge handling #define MOVETYPE_FLY 5 #define MOVETYPE_TOSS 6 // gravity #define MOVETYPE_PUSH 7 // no clip to world, push and crush #define MOVETYPE_NOCLIP 8 #define MOVETYPE_FLYMISSILE 9 // extra size to monsters #define MOVETYPE_BOUNCE 10 #define MOVETYPE_PPUSH 13 // no clip to world, push and crush // edict->solid values #define SOLID_NOT 0 // no interaction with other objects #define SOLID_TRIGGER 1 // touch on edge, but not blocking #define SOLID_BBOX 2 // touch on edge, block #define SOLID_SLIDEBOX 3 // touch on edge, but not an onground #define SOLID_BSP 4 // bsp clip, touch on edge, block // edict->deadflag values #define DEAD_NO 0 #define DEAD_DYING 1 #define DEAD_DEAD 2 #define DAMAGE_NO 0 #define DAMAGE_YES 1 #define DAMAGE_AIM 2 // edict->flags #define FL_FLY 1 #define FL_SWIM 2 #define FL_GLIMPSE 4 #define FL_CLIENT 8 #define FL_INWATER 16 #define FL_MONSTER 32 #define FL_GODMODE 64 #define FL_NOTARGET 128 #define FL_ITEM 256 #define FL_ONGROUND 512 #define FL_PARTIALGROUND 1024 // not all corners are valid #define FL_WATERJUMP 2048 // player jumping out of water // 4096 used by quakec #define FL_FINALIZED 8192 #define FL_FINDABLE_NONSOLID 16384 #define TL_ANY_SOLID 0 #define TL_BSP_ONLY 1 // 2 used internally (MOVE_MISSILE) #define TL_TRIGGERS 3 // scan for triggers #define TL_EVERYTHING 4 // scan for anything // entity effects //define EF_BRIGHTFIELD 1 //define EF_MUZZLEFLASH 2 #define EF_BRIGHTLIGHT 4 #define EF_DIMLIGHT 8 #define SPAWNFLAG_NOT_EASY 256 #define SPAWNFLAG_NOT_MEDIUM 512 #define SPAWNFLAG_NOT_HARD 1024 #define SPAWNFLAG_NOT_DEATHMATCH 2048 #define MULTICAST_ALL 0 #define MULTICAST_PHS 1 #define MULTICAST_PVS 2 #define MULTICAST_ALL_R 3 #define MULTICAST_PHS_R 4 #define MULTICAST_PVS_R 5 //============================================================================ // FIXME: declare exported variables in their own relevant .h extern struct cvar_s *sv_hide_version_info; extern struct cvar_s *sv_highchars; extern struct cvar_s *sv_mintic, *sv_maxtic; extern struct cvar_s *sv_maxspeed; extern struct cvar_s *timeout; extern netadr_t master_adr[MAX_MASTERS]; // address of the master server extern struct cvar_s *spawn; extern struct cvar_s *teamplay; extern struct cvar_s *deathmatch; extern struct cvar_s *fraglimit; extern struct cvar_s *timelimit; extern server_static_t svs; // persistant server info extern struct info_s **svs_info; extern server_t sv; // local server extern client_t *host_client; extern struct edict_s *sv_player; extern char localmodels[MAX_MODELS][5]; // inline model names for precache extern struct info_s *localinfo; extern int host_hunklevel; extern QFile *sv_logfile; extern QFile *sv_fraglogfile; extern double sv_frametime; extern double realtime; extern const char *client_info_filters[]; extern struct cbuf_s *sv_cbuf; extern struct cbuf_args_s *sv_args; //=========================================================== // FIXME: declare exported functions in their own relevant .h void SV_Init (void); void SV_Sbar_Init (void); void SV_Progs_Init (void); void SV_Progs_Init_Cvars (void); void SV_PR_Cmds_Init (void); void SV_LoadProgs (void); void Con_Printf (const char *fmt, ...) __attribute__((format(printf,1,2))); void Con_DPrintf (const char *fmt, ...) __attribute__((format(printf,1,2))); extern struct clip_hull_s *pf_hull_list[]; // // sv_main.c // client_t *SV_AllocClient (int spectator, int server); void SV_SavePenaltyFilter (client_t *cl, filtertype_t type, double pentime); double SV_RestorePenaltyFilter (client_t *cl, filtertype_t type); void SV_Shutdown (void); void SV_Frame (float time); void SV_FinalMessage (const char *message); void SV_DropClient (client_t *drop); int SV_CalcPing (client_t *cl); void SV_FullClientUpdate (client_t *client, sizebuf_t *buf); void SV_FullClientUpdateToClient (client_t *client, backbuf_t *backbuf); int SV_ModelIndex (const char *name); qboolean SV_CheckBottom (struct edict_s *ent); qboolean SV_movestep (struct edict_s *ent, const vec3_t move, qboolean relink); void SV_WriteClientdataToMessage (client_t *client, sizebuf_t *msg); struct progs_s; void SV_MoveToGoal (struct progs_s *pr); void SV_SaveSpawnparms (void); void SV_Physics_Client (struct edict_s *ent); void SV_PreRunCmd (void); void SV_RunCmd (usercmd_t *ucmd, qboolean inside); void SV_PostRunCmd (void); void SV_SetupUserCommands (void); void SV_ExecuteUserCommand (const char *s); void SV_InitOperatorCommands (void); void SV_GIB_Init (void); void SV_SendServerinfo (client_t *client); void SV_ExtractFromUserinfo (client_t *cl); void Master_Heartbeat (void); void Master_Packet (void); // // sv_init.c // void SV_SpawnServer (const char *server); void SV_FlushSignon (void); // // sv_phys.c // void SV_ProgStartFrame (void); void SV_Physics (void); void SV_CheckVelocity (struct edict_s *ent); void SV_AddGravity (struct edict_s *ent); qboolean SV_RunThink (struct edict_s *ent); void SV_Physics_Toss (struct edict_s *ent); void SV_RunNewmis (void); void SV_Impact (struct edict_s *e1, struct edict_s *e2); void SV_SetMoveVars(void); // // sv_send.c // void SV_Print (const char *fmt, va_list args); void SV_Printf (const char *fmt, ...) __attribute__((format(printf,1,2))); void SV_SendClientMessages (void); void SV_GetStats (struct edict_s *ent, int spectator, int stats[]); void SV_Multicast (const vec3_t origin, int to); void SV_StartSound (struct edict_s *entity, int channel, const char *sample, int volume, float attenuation); void SV_ClientPrintf (int recorder, client_t *cl, int level, const char *fmt, ...) __attribute__((format(printf,4,5))); void SV_BroadcastPrintf (int level, const char *fmt, ...) __attribute__((format(printf,2,3))); void SV_BroadcastCommand (const char *fmt, ...) __attribute__((format(printf,1,2))); void SV_SendMessagesToAll (void); void SV_FindModelNumbers (void); // // sv_user.c // #define UCMD_NO_REDIRECT 1 #define UCMD_OVERRIDABLE 2 void SV_WriteWorldVars (netchan_t *netchan); void SV_WriteSoundlist (netchan_t *netchan, int n); void SV_WriteModellist (netchan_t *netchan, int n); void SV_WriteSpawn1 (backbuf_t *backbuf, int n); void SV_WriteSpawn2 (backbuf_t *backbuf); void SV_ExecuteClientMessage (client_t *cl); void SV_UserInit (void); void SV_TogglePause (const char *msg); void *SV_AddUserCommand (const char *name, void (*func) (void *userdata), int flags, void *userdata, void (*on_free) (void *userdata)); int SV_RemoveUserCommand (void *cmd); void SV_Spawn (client_t *client); void SV_SetUserinfo (client_t *client, const char *key, const char *value); extern int (*ucmd_unknown)(void); // // svonly.c // typedef enum { RD_NONE, RD_CLIENT, RD_PACKET, RD_MOD, } redirect_t; void SV_BeginRedirect (redirect_t rd); void SV_EndRedirect (void); extern redirect_t sv_redirected; extern struct dstring_s outputbuf; // // sv_ccmds.c // void SV_Status_f (void); const char *SV_Current_Map (void); void SV_SetLocalinfo (const char *key, const char *value); // // sv_ents.c // void SV_WriteEntitiesToClient (delta_t *delta, sizebuf_t *msg); // // sv_nchan.c // void Cvar_Info (struct cvar_s *var); extern struct cvar_s *sv_timecheck_fuzz; extern struct cvar_s *sv_timecheck_decay; extern struct cvar_s *sv_maxrate; extern struct cvar_s *sv_timestamps; extern struct cvar_s *sv_timefmt; extern struct cvar_s *sv_phs; extern struct cvar_s *sv_maxvelocity; extern struct cvar_s *sv_gravity; extern struct cvar_s *sv_aim; extern struct cvar_s *sv_stopspeed; extern struct cvar_s *sv_spectatormaxspeed; extern struct cvar_s *sv_accelerate; extern struct cvar_s *sv_airaccelerate; extern struct cvar_s *sv_wateraccelerate; extern struct cvar_s *sv_friction; extern struct cvar_s *sv_waterfriction; extern struct cvar_s *pr_double_remove; extern struct cvar_s *allow_download; extern struct cvar_s *allow_download_skins; extern struct cvar_s *allow_download_models; extern struct cvar_s *allow_download_sounds; extern struct cvar_s *allow_download_maps; extern int fp_messages; extern int fp_persecond; extern int fp_secondsdead; extern struct cvar_s *pausable; extern qboolean nouse; extern char fp_msg[255]; extern int sv_nailmodel, sv_supernailmodel, sv_playermodel; extern int con_printf_no_log; #endif // _SERVER_H