/* interface.h */ #include "copyright.h" #ifndef __INTERFACE__H #define __INTERFACE__H #ifndef lint static char interface_RCSid[] = "$Id: interface.h,v 1.8 1995/03/29 23:42:51 ambar Exp $"; USE(interface_RCSid); #endif #include "externs.h" #include "htab.h" #include "alloc.h" #include <sys/types.h> #include <sys/time.h> #ifndef __bsdi__ #include <netinet/in.h> #endif #include <arpa/inet.h> #include <netdb.h> #ifdef HAVE_SYS_SELECT_H #include <sys/select.h> #endif /* these symbols must be defined by the interface */ extern int shutdown_flag; /* if non-zero, interface should shut down */ /* Disconnection reason codes */ #define R_QUIT 1 /* User quit */ #define R_TIMEOUT 2 /* Inactivity timeout */ #define R_BOOT 3 /* Victim of @boot, @toad, or @destroy */ #define R_SOCKDIED 4 /* Other end of socked closed it */ #define R_GOING_DOWN 5 /* Game is going down */ #define R_BADLOGIN 6 /* Too many failed login attempts */ #define R_GAMEDOWN 7 /* Not admitting users now */ #define R_LOGOUT 8 /* Logged out w/o disconnecting */ #define R_GAMEFULL 9 /* Too many players logged in */ extern NAMETAB logout_cmdtable[]; typedef struct cmd_block_hdr CBLKHDR; typedef struct cmd_block CBLK; struct cmd_block { struct cmd_block_hdr { struct cmd_block *nxt; } hdr; char cmd[LBUF_SIZE - sizeof(CBLKHDR)]; }; typedef struct text_block_hdr TBLKHDR; typedef struct text_block TBLOCK; struct text_block { struct text_block_hdr { struct text_block *nxt; char *start; char *end; int nchars; } hdr; char data[LBUF_SIZE - sizeof(TBLKHDR)]; }; typedef struct prog_data PROG; struct prog_data { dbref wait_cause; char *wait_regs[MAX_GLOBAL_REGS]; }; typedef struct descriptor_data DESC; struct descriptor_data { int descriptor; int flags; int retries_left; int command_count; int timeout; int host_info; char addr[51]; char doing[DOING_LEN]; dbref player; char *output_prefix; char *output_suffix; int output_size; int output_tot; int output_lost; TBLOCK *output_head; TBLOCK *output_tail; int input_size; int input_tot; int input_lost; CBLK *input_head; CBLK *input_tail; CBLK *raw_input; char *raw_input_at; time_t connected_at; time_t last_time; int quota; int wait_for_input; /* Used by @program */ dbref wait_cause; /* Used by @program */ PROG *program_data; struct sockaddr_in address; /* added 3/6/90 SCG */ struct descriptor_data *hashnext; struct descriptor_data *next; struct descriptor_data **prev; }; /* flags in the flag field */ #define DS_CONNECTED 0x0001 /* player is connected */ #define DS_AUTODARK 0x0002 /* Wizard was auto set dark. */ #define DS_PUEBLOCLIENT 0x0004 /* Client is Pueblo-enhanced. */ extern DESC *descriptor_list; #ifndef HAVE_GETTIMEOFDAY #define get_tod(x) { (x)->tv_sec = time(NULL); (x)->tv_usec = 0; } #else #define get_tod(x) gettimeofday(x, (struct timezone *)0) #endif /* from the net interface */ extern void NDECL(emergency_shutdown); extern void FDECL(shutdownsock, (DESC *, int)); extern void FDECL(shovechars, (int)); extern void NDECL(set_signals); /* from netcommon.c */ extern struct timeval FDECL(timeval_sub, (struct timeval, struct timeval)); extern int FDECL(msec_diff, (struct timeval now, struct timeval then)); extern struct timeval FDECL(msec_add, (struct timeval, int)); extern struct timeval FDECL(update_quotas, (struct timeval, struct timeval)); extern void FDECL(raw_notify, (dbref, const char *)); extern void FDECL(clearstrings, (DESC *)); extern void FDECL(queue_write, (DESC *, const char *, int)); extern INLINE void FDECL(queue_rawstring, (DESC *, const char *)); extern INLINE void FDECL(queue_string, (DESC *, const char *)); extern void FDECL(freeqs, (DESC *)); extern void FDECL(welcome_user, (DESC *)); extern void FDECL(save_command, (DESC *, CBLK *)); extern void FDECL(announce_disconnect, (dbref, DESC *, const char *)); extern int FDECL(boot_off, (dbref, char *)); extern int FDECL(boot_by_port, (int, int, char *)); extern int FDECL(fetch_idle, (dbref)); extern int FDECL(fetch_connect, (dbref)); extern void NDECL(check_idle); extern void NDECL(process_commands); extern int FDECL(site_check, (struct in_addr, SITE *)); extern void FDECL(make_ulist, (dbref, char *)); extern void FDECL(make_portlist, (dbref, dbref, char *)); extern dbref FDECL(find_connected_name, (dbref, char *)); /* From predicates.c */ #define alloc_desc(s) (DESC *)pool_alloc(POOL_DESC,s) #define free_desc(b) pool_free(POOL_DESC,((char **)&(b))) #define DESC_ITER_PLAYER(p,d) \ for (d=(DESC *)nhashfind((int)p,&mudstate.desc_htab);d;d=d->hashnext) #define DESC_ITER_CONN(d) \ for (d=descriptor_list;(d);d=(d)->next) \ if ((d)->flags & DS_CONNECTED) #define DESC_ITER_ALL(d) \ for (d=descriptor_list;(d);d=(d)->next) #define DESC_SAFEITER_PLAYER(p,d,n) \ for (d=(DESC *)nhashfind((int)p,&mudstate.desc_htab), \ n=((d!=NULL) ? d->hashnext : NULL); \ d; \ d=n,n=((n!=NULL) ? n->hashnext : NULL)) #define DESC_SAFEITER_CONN(d,n) \ for (d=descriptor_list,n=((d!=NULL) ? d->next : NULL); \ d; \ d=n,n=((n!=NULL) ? n->next : NULL)) \ if ((d)->flags & DS_CONNECTED) #define DESC_SAFEITER_ALL(d,n) \ for (d=descriptor_list,n=((d!=NULL) ? d->next : NULL); \ d; \ d=n,n=((n!=NULL) ? n->next : NULL)) #endif