/*
 * meta.h - global vars and configuration stuff
 *
 * MetaServerII
 * Copyright (c) 1993 by Andy McFadden
 * 
 * $Id: meta.h,v 2.4 2000/08/30 03:07:40 unbelver Exp $
 * 
 */
#include <time.h>

/*#define DEBUG*/

/* files - adjust to taste */
#define LOGFILE		"metalog"
#define CONFIGFILE	"metarc"
#define CHECKFILE	"metackp"

/* some time constants, in seconds */
/* MAX_BUSY 20	BUSY_EXTEN 20 */
#define MAX_BUSY	60		/* max time to wait for a server */
#define BUSY_EXTEN	40		/* extension time for distant servers */
#define TIME_RES	40		/* how often do we wake up */
/*#define START_DIST	40		   space initial checks by this much */
#define START_DIST	5
#define MAX_USER	10		/* after this long, bye bye user */
#define MAX_CKP_AGE	60*10		/* reject ckp files after 10 mins */

/* flood controls */
#define MAX_CALLS	3		/* you get this many calls... */
#define FLOOD_TIME	10		/* ...over this many seconds. */

/* server flood controls */
#define MIN_UREAD_TIME  58

#define MAX_WEB_TIME    30              /* maximum amount of time a web */
                                        /* request may last in seconds  */
#define MAX_WEB_BYTES 1024              /* biggest packet I'm expecting */
#define MAX_NUM_WEB     20              /* eh. 20 processes seems ok    */
/*
 * end of configurable stuff
 */

/* what version we are, and date for old format */
#define VERSION	"1.0.3"
#define VDATE	"6/1/93"

/* display flags */
typedef struct {
  int  bit;
  char chr;
  char *word;
} FLAG;
#define MAX_FLAG	8	/* increase to 32 as needed */
extern FLAG flags[MAX_FLAG];
#define DF_HAD_TMODE	0x0001
#define DF_ALWAYS_DEAD	0x0002
#define DF_RSA		0x0004
#define DF_TYPE		0x0040	/* not really a flag */

#define TRUE	1
#define FALSE	0

/* deal with funky SVR3 signal mechanism */
#ifdef _UTS
# define SYSV
#endif
#if defined (SYSV) && !defined(hpux)
# define SIGNAL(sig,action) sigset(sig, action)
#else
# define SIGNAL(sig,action) signal(sig, action)
#endif

/* player info */
typedef struct {
  int  p_status;
  int  p_rank;
  int  p_team;
  char p_mapchars[2];
  char p_name[16];
  char p_login[16];
  char p_monitor[16];
  int  ship_type;
} PLAYER;
#define MAX_PLAYER	36		/* must be >= server MAXPLAYER */
#define NUM_TYPES	8		/* #of different ship types */
#define PNUM_TYPES	16		/* #of different ship types */
#define MAX_HOSTNAME	64

/* global structure declarations */
typedef enum { SS_WORKING, SS_QUEUE, SS_OPEN, SS_EMPTY, SS_NOCONN, SS_INIT }
SERVER_STATUS;	/* note: this affects sorting order */
typedef enum { WD_UNKNOWN, WD_CONN, WD_READ, WD_GARBAGE, WD_TIMEOUT, 
	       WD_FLOODING } WHY_DEAD;
typedef enum { PS_PORTM, PS_PORT } PROBE_STATE;
typedef enum { CS_CLOSED, CS_CONNECTING, CS_CONNECTED } CONN_STATE;
typedef struct {
  SERVER_STATUS status;	/* status of the server */
  PROBE_STATE pstate;		/* what we are trying to do (port or port-1) */
  CONN_STATE cstate;		/* what our connection status is */
  WHY_DEAD why_dead;		/* if status==SS_NOCONN, why? */
  char hostname[MAX_HOSTNAME];	/* DNS */
  char ip_addr[32];	/* ASCII IP */
  long addr;		/* actual address */
  int  port;
  int  count;
  time_t down_time;
  time_t last_update;
  time_t next_update;
  long flags;			/* internal use */
  long display_flags;		/* for "flags" column */
  char comment[40];
  char mask;			/* tournament mode mask */
  char type[1];		/* may expand in the future */
  int  max_players;

  int  player_count;
  int  queue_size;
  int  solicit;         /* we got this as a solicit packet */
  int  spare;           /* treat server as a spare */
  int  prefer;          /* treat server as preferred */
  PLAYER players[MAX_PLAYER];
} SERVER;		/* (if you add pointers here, update checkpointing) */

typedef struct {
  char *buf;
  int  pos;
  int  buf_size;
  int  data_size;
  time_t start_time;		/* if nonzero, then user is active */
} USER;

/* port stuff */
typedef enum { DI_OLD, DI_NEW, DI_WEB, DI_VERBOSE, DI_INFO } DISPLAY;
typedef struct {
  DISPLAY port_kind;
  char *port_name;
} PORT_DEF;
    
typedef struct {
  int  port;
  DISPLAY kind;
  char desc[64];
  char extra[64];
} PORT;

typedef struct {
  long addr;
} EXCLUDE;


/* some stuff from struct.h */
#define PFREE 0
#define POUTFIT 1
#define PALIVE 2
#define PEXPLODE 3
#define PDEAD 4
#define MAX_STATUS 5

#define PTQUEUE 5	/* Paradise servers only */

/* function prototypes */
extern void init_connections(/*void*/),
  main_loop(/*void*/),
  Uprintf(/*pseudo-var*/);
extern char *ctime(),
  *n_to_a(/*long*/);
extern long lookup(/*char *host, char *iphost*/);
extern void wakeup(int signum);
extern int *sort_servers(/*void*/);
void sig_child(/*signal handler*/);  /* the child reaper */

/* disp_udp.c */
char * display_udp(int *length);

#include "data.h"
#include "log.h"

/* policy.c */
int policy_ignore(char *ip);
int policy_local_only();
int policy_limit(char *ip, char *hostname);
void policy_updated_server(SERVER *sp);
int policy_show(SERVER *sp);

/* global variables */
extern int verbose,
  wait_noconn,
  wait_empty,
  wait_open,
  wait_queue,
  try_alt_port,
  server_count,
  port_count,
  exclude_count,
  log_dns_names,
  new_conn,
  mnew_conn,
  busy,
  busy_time;
extern char *prog,
  location[],
  admin[];
extern char *classes[], *pclasses[],
  teamlet[],
  shipnos[];
extern SERVER *servers,
  prev_info;
extern USER *users;
extern PORT_DEF port_defs[];
extern PORT *ports;
extern EXCLUDE *excludes;
extern time_t uptime,
  checktime;