static int db_write_object(FILE * f, dbref i, int db_format, int flags) { ATTR *a; char *got, *as; dbref aowner; int ca, aflags, save, j; BOOLEXP *tempbool; if(!(flags & V_ATRNAME)) putstring(f, Name(i)); putref(f, Location(i)); if(flags & V_ZONE) putref(f, Zone(i)); putref(f, Contents(i)); putref(f, Exits(i)); if(flags & V_LINK) putref(f, Link(i)); putref(f, Next(i)); if(!(flags & V_ATRKEY)) { got = atr_get(i, A_LOCK, &aowner, &aflags); tempbool = parse_boolexp(GOD, got, 1); free_lbuf(got); putboolexp(f, tempbool); if(tempbool) free_bool(tempbool); } putref(f, Owner(i)); if(flags & V_PARENT) putref(f, Parent(i)); if(!(flags & V_ATRMONEY)) putref(f, Pennies(i)); putref(f, Flags(i)); if(flags & V_XFLAGS) putref(f, Flags2(i)); if(flags & V_3FLAGS) putref(f, Flags3(i)); if(flags & V_POWERS) { putref(f, Powers(i)); putref(f, Powers2(i)); } /* * write the attribute list */ if((!(flags & V_GDBM)) || (mudstate.panicking == 1)) { for(ca = atr_head(i, &as); ca; ca = atr_next(&as)) { save = 0; a = atr_num(ca); if(a) j = a->number; else j = -1; if(j > 0) { switch (j) { case A_NAME: if(flags & V_ATRNAME) save = 1; break; case A_LOCK: if(flags & V_ATRKEY) save = 1; break; case A_LIST: case A_MONEY: break; default: save = 1; } } if(save) { got = atr_get_raw(i, j); fprintf(f, ">%d\n", j); putstring(f, got); } } fprintf(f, "<\n"); } return 0; }
void do_dbclean( dbref player, dbref cause, int key ) { VATTR *vp, *vpx; dbref i, end; int ca, n_oldtotal, n_oldtop, n_deleted, n_renumbered, n_objt, n_atrt, got; char *as, *str; int *used_table; ATTR **new_table; UFUN *ufp; CMDENT *cmdp; ADDENT *addp; raw_broadcast( 0, "GAME: Cleaning database. Game may freeze for a few minutes." ); used_table = ( int * ) XCALLOC( mudstate.attr_next, sizeof( int ), "dbclean.used_table" ); n_oldtotal = mudstate.attr_next; n_oldtop = anum_alc_top; n_deleted = n_renumbered = n_objt = n_atrt = 0; /* * Non-user-defined attributes are always considered used. */ for( i = 0; i < A_USER_START; i++ ) { used_table[i] = i; } /* * Walk the database. Mark all the attribute numbers in use. */ atr_push(); DO_WHOLE_DB( i ) { for( ca = atr_head( i, &as ); ca; ca = atr_next( &as ) ) { used_table[ca] = ca; } } atr_pop(); /* * Walk the vattr table. If a number isn't in use, zorch it. */ vp = vattr_first(); while( vp ) { vpx = vp; vp = vattr_next( vp ); if( used_table[vpx->number] == 0 ) { anum_set( vpx->number, NULL ); hashdelete( vpx->name, &mudstate.vattr_name_htab ); XFREE( vpx, "dbclean.vpx" ); n_deleted++; } } /* * The user-defined function, added command, and hook structures embed * * attribute numbers. Clean out the ones we've deleted, resetting them * * to the *Invalid (A_TEMP) attr. */ for( ufp = ( UFUN * ) hash_firstentry( &mudstate.ufunc_htab ); ufp != NULL; ufp = ( UFUN * ) hash_nextentry( &mudstate.ufunc_htab ) ) { if( used_table[ufp->atr] == 0 ) { ufp->atr = A_TEMP; } } for( cmdp = ( CMDENT * ) hash_firstentry( &mudstate.command_htab ); cmdp != NULL; cmdp = ( CMDENT * ) hash_nextentry( &mudstate.command_htab ) ) { if( cmdp->pre_hook ) { if( used_table[cmdp->pre_hook->atr] == 0 ) { cmdp->pre_hook->atr = A_TEMP; } } if( cmdp->post_hook ) { if( used_table[cmdp->post_hook->atr] == 0 ) { cmdp->post_hook->atr = A_TEMP; } } if( cmdp->userperms ) { if( used_table[cmdp->userperms->atr] == 0 ) { cmdp->userperms->atr = A_TEMP; } } if( cmdp->callseq & CS_ADDED ) { for( addp = ( ADDENT * ) cmdp->info.added; addp != NULL; addp = addp->next ) { if( used_table[addp->atr] == 0 ) { addp->atr = A_TEMP; } } } } /* * Walk the table we've created of used statuses. When we find free * * slots, walk backwards to the first used slot at the end of the * * table. Write the number of the free slot into that used slot. */ for( i = A_USER_START, end = mudstate.attr_next - 1; ( i < mudstate.attr_next ) && ( i < end ); i++ ) { if( used_table[i] == 0 ) { while( ( end > i ) && ( used_table[end] == 0 ) ) { end--; } if( end > i ) { used_table[end] = used_table[i] = i; end--; } } } /* * Renumber the necessary attributes in the vattr tables. */ for( i = A_USER_START; i < mudstate.attr_next; i++ ) { if( used_table[i] != i ) { vp = ( VATTR * ) anum_get( i ); if( vp ) { vp->number = used_table[i]; vp->flags |= AF_DIRTY; anum_set( used_table[i], ( ATTR * ) vp ); anum_set( i, NULL ); n_renumbered++; } } } /* * Now we walk the database. For every object, if we have an attribute * * we're renumbering (the slot number is not equal to the array value * * at that slot), we delete the old attribute and add the new one. */ atr_push(); DO_WHOLE_DB( i ) { got = 0; for( ca = atr_head( i, &as ); ca; ca = atr_next( &as ) ) { if( used_table[ca] != ca ) { str = atr_get_raw( i, ca ); atr_add_raw( i, used_table[ca], str ); atr_clr( i, ca ); n_atrt++; got = 1; } } if( got ) { n_objt++; } } atr_pop(); /* * The new end of the attribute table is the first thing we've * * renumbered. */ for( end = A_USER_START; ( ( end == used_table[end] ) && ( end < mudstate.attr_next ) ); end++ ); mudstate.attr_next = end; /* * We might be able to shrink the size of the attribute table. * * If the current size of the table is less than the initial * * size, shrink it back down to the initial size. * * Otherwise, shrink it down so it's the current top plus the * * initial size, as if we'd just called anum_extend() for it. */ if( anum_alc_top > mudconf.init_size + A_USER_START ) { if( mudstate.attr_next < mudconf.init_size + A_USER_START ) { end = mudconf.init_size + A_USER_START; } else { end = mudstate.attr_next + mudconf.init_size; } if( end < anum_alc_top ) { new_table = ( ATTR ** ) XCALLOC( end + 1, sizeof( ATTR * ), "dbclean.new_table" ); for( i = 0; i < mudstate.attr_next; i++ ) { new_table[i] = anum_table[i]; } XFREE( anum_table, "dbclean.anum_table" ); anum_table = new_table; anum_alc_top = end; } } /* * Go through the function and added command tables again, and * * take care of the attributes that got renumbered. */ for( ufp = ( UFUN * ) hash_firstentry( &mudstate.ufunc_htab ); ufp != NULL; ufp = ( UFUN * ) hash_nextentry( &mudstate.ufunc_htab ) ) { if( used_table[ufp->atr] != ufp->atr ) { ufp->atr = used_table[ufp->atr]; } } for( cmdp = ( CMDENT * ) hash_firstentry( &mudstate.command_htab ); cmdp != NULL; cmdp = ( CMDENT * ) hash_nextentry( &mudstate.command_htab ) ) { if( cmdp->pre_hook ) { if( used_table[cmdp->pre_hook->atr] != cmdp->pre_hook->atr ) cmdp->pre_hook->atr = used_table[cmdp->pre_hook->atr]; } if( cmdp->post_hook ) { if( used_table[cmdp->post_hook->atr] != cmdp->post_hook->atr ) cmdp->post_hook->atr = used_table[cmdp->post_hook->atr]; } if( cmdp->userperms ) { if( used_table[cmdp->userperms->atr] != cmdp->userperms->atr ) cmdp->userperms->atr = used_table[cmdp->userperms->atr]; } if( cmdp->callseq & CS_ADDED ) { for( addp = ( ADDENT * ) cmdp->info.added; addp != NULL; addp = addp->next ) { if( used_table[addp->atr] != addp->atr ) { addp->atr = used_table[addp->atr]; } } } } /* * Clean up. */ XFREE( used_table, "dbclean.used_table" ); if( anum_alc_top != n_oldtop ) { notify_check( player, player, MSG_PUP_ALWAYS|MSG_ME_ALL|MSG_F_DOWN, "Cleaned %d user attribute slots (reduced to %d): %d deleted, %d renumbered (%d objects and %d individual attrs touched). Table size reduced from %d to %d.", n_oldtotal - A_USER_START, mudstate.attr_next - A_USER_START, n_deleted, n_renumbered, n_objt, n_atrt, n_oldtop, anum_alc_top ); } else { notify_check( player, player, MSG_PUP_ALWAYS|MSG_ME_ALL|MSG_F_DOWN, "Cleaned %d attributes (now %d): %d deleted, %d renumbered (%d objects and %d individual attrs touched).", n_oldtotal, mudstate.attr_next, n_deleted, n_renumbered, n_objt, n_atrt ); } raw_broadcast( 0, "GAME: Database cleaning complete." ); }