/* * Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution. * * 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; version 2 of the License. * * 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 the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */ /* * disk_manager.h - Disk managment module (at server) */ #ifndef _DISK_MANAGER_H_ #define _DISK_MANAGER_H_ #ident "$Id$" #include "config.h" #include "error_manager.h" #include "storage_common.h" #include "recovery.h" /* Special sector which can steal pages from other sectors */ #define DISK_SECTOR_WITH_ALL_PAGES 0 #define DISK_SECTOR_NPAGES 10 /* Number of pages in a sector */ #define DISK_NULL_PAGEID_WITH_ENOUGH_DISK_PAGES (NULL_PAGEID - 1) typedef enum { DISK_DONT_FLUSH, DISK_FLUSH, DISK_FLUSH_AND_INVALIDATE } DISK_FLUSH_TYPE; typedef enum { DISK_INVALID, DISK_VALID, DISK_ERROR } DISK_ISVALID; typedef enum { DISK_CONTIGUOUS_PAGES, DISK_NONCONTIGUOUS_PAGES, DISK_NONCONTIGUOUS_SPANVOLS_PAGES } DISK_SETPAGE_TYPE; extern bool distk_Tempvol_shrink_enable; #if defined(SERVER_MODE) /* in xserver_interface.h */ extern INT32 xdisk_get_total_numpages (THREAD_ENTRY * thread_p, INT16 volid); extern INT32 xdisk_get_free_numpages (THREAD_ENTRY * thread_p, INT16 volid); extern char *xdisk_get_remarks (THREAD_ENTRY * thread_p, INT16 volid); extern char *xdisk_get_fullname (THREAD_ENTRY * thread_p, INT16 volid, char *vol_fullname); extern DISK_VOLPURPOSE xdisk_get_purpose (THREAD_ENTRY * thread_p, INT16 volid); extern VOLID xdisk_get_purpose_and_total_free_numpages (THREAD_ENTRY * thread_p, VOLID volid, DISK_VOLPURPOSE * vol_purpose, int *vol_ntotal_pages, int *vol_nfree_pages); #endif /* SERVER_MODE */ extern int disk_goodvol_decache (THREAD_ENTRY * thread_p); extern bool disk_goodvol_refresh (THREAD_ENTRY * thread_p, int hint_max_nvols); extern INT16 disk_goodvol_find (THREAD_ENTRY * thread_p, INT16 hint_volid, INT16 undesirable_volid, INT32 exp_numpages, DISK_VOLPURPOSE vol_purpose, DISK_SETPAGE_TYPE setpage_type); extern bool disk_goodvol_refresh_with_new (THREAD_ENTRY * thread_p, INT16 volid); extern INT16 disk_format (THREAD_ENTRY * thread_p, const char *dbname, INT16 volid, const char *vol_fullname, const char *vol_remarks, INT32 npages, DISK_VOLPURPOSE vol_purpose); extern int disk_unformat (THREAD_ENTRY * thread_p, const char *vol_fullname); extern INT32 disk_expand_tmp (THREAD_ENTRY * thread_p, INT16 volid, INT32 min_pages, INT32 max_pages); extern INT32 disk_shrink_tmp (THREAD_ENTRY * thread_p, INT16 volid, bool * removed); extern int disk_reinit_all_tmp (THREAD_ENTRY * thread_p); extern INT32 disk_alloc_sector (THREAD_ENTRY * thread_p, INT16 volid, INT32 nsects); extern INT32 disk_alloc_special_sector (void); extern INT32 disk_alloc_page (THREAD_ENTRY * thread_p, INT16 volid, INT32 sectid, INT32 npages, INT32 near_pageid); extern int disk_dealloc_sector (THREAD_ENTRY * thread_p, INT16 volid, INT32 sectid, INT32 nsects); extern int disk_dealloc_page (THREAD_ENTRY * thread_p, INT16 volid, INT32 pageid, INT32 npages); extern DISK_ISVALID disk_isvalid_page (THREAD_ENTRY * thread_p, INT16 volid, INT32 pageid); extern int disk_set_creation (THREAD_ENTRY * thread_p, INT16 volid, const char *new_vol_fullname, const time_t * new_dbcreation, const LOG_LSA * new_chkptlsa, bool logchange, DISK_FLUSH_TYPE flush_page); extern int disk_set_link (THREAD_ENTRY * thread_p, INT16 volid, const char *next_volext_fullname, bool logchange, DISK_FLUSH_TYPE flush); extern int disk_set_checkpoint (THREAD_ENTRY * thread_p, INT16 volid, const LOG_LSA * log_chkpt_lsa); extern int disk_set_boot_hfid (THREAD_ENTRY * thread_p, INT16 volid, const HFID * hfid); extern int disk_set_alloctables (DISK_VOLPURPOSE vol_purpose, INT32 total_sects, INT32 total_pages, INT32 * sect_alloctb_npages, INT32 * page_alloctb_npages, INT32 * sect_alloctb_page1, INT32 * page_alloctb_page1, INT32 * sys_lastpage); extern INT16 disk_get_all_total_free_numpages (THREAD_ENTRY * thread_p, DISK_VOLPURPOSE vol_purpose, INT16 * nvols, int *total_pages, int *free_pages); extern INT16 disk_get_first_total_free_numpages (THREAD_ENTRY * thread_p, DISK_VOLPURPOSE purpose, INT32 * ntotal_pages, INT32 * nfree_pgs); extern INT16 xdisk_get_purpose_and_sys_lastpage (THREAD_ENTRY * thread_p, INT16 volid, DISK_VOLPURPOSE * vol_purpose, INT32 * sys_lastpage); extern int disk_get_checkpoint (THREAD_ENTRY * thread_p, INT16 volid, LOG_LSA * vol_lsa); extern int disk_get_creation_time (THREAD_ENTRY * thread_p, INT16 volid, time_t * db_creation); extern INT32 disk_get_total_numsectors (THREAD_ENTRY * thread_p, INT16 volid); extern INT32 disk_get_overhead_numpages (THREAD_ENTRY * thread_p, INT16 volid); extern INT32 disk_get_maxcontiguous_numpages (THREAD_ENTRY * thread_p, INT16 volid); extern HFID *disk_get_boot_hfid (THREAD_ENTRY * thread_p, INT16 volid, HFID * hfid); extern char *disk_get_link (THREAD_ENTRY * thread_p, INT16 volid, char *next_volext_fullname); extern int disk_get_temporarytmp_shrink_info (VPID * vpid, bool * decreased); extern INT32 disk_get_max_numpages (THREAD_ENTRY * thread_p, DISK_VOLPURPOSE vol_purpose); extern DISK_ISVALID disk_check (THREAD_ENTRY * thread_p, INT16 volid, bool repair); extern int disk_dump_all (THREAD_ENTRY * thread_p); extern int disk_rv_redo_dboutside_newvol (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern int disk_rv_undo_format (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_hdr (int length_ignore, void *data); extern int disk_rv_redo_init_map (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_init_map (int length_ignore, void *data); extern int disk_vhdr_rv_undoredo_free_sectors (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_vhdr_rv_dump_free_sectors (int length_ignore, void *data); extern int disk_vhdr_rv_undoredo_free_pages (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_vhdr_rv_dump_free_pages (int length_ignore, void *data); extern int disk_rv_set_alloctable (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern int disk_rv_clear_alloctable (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_alloctable (int length_ignore, void *data); extern int disk_rv_redo_magic (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_magic (int length_ignore, void *data); extern int disk_rv_undoredo_set_creation_time (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_set_creation_time (int length_ignore, void *data); extern int disk_rv_undoredo_set_boot_hfid (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_set_boot_hfid (int length_ignore, void *data); extern int disk_rv_undoredo_link (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_link (int length_ignore, void *data); extern int disk_rv_set_alloctable_with_vhdr (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern int disk_rv_clear_alloctable_with_vhdr (THREAD_ENTRY * thread_p, LOG_RCV * rcv); extern void disk_rv_dump_alloctable_with_vhdr (int length_ignore, void *data); #endif /* _DISK_MANAGER_H_ */