/*- * See the file LICENSE for redistribution information. * * Copyright (c) 1996-2003 * Sleepycat Software. All rights reserved. * * $Id: db.src,v 1.2 2004/03/30 01:21:24 jtownsen Exp $ */ PREFIX __db DBPRIVATE INCLUDE #include "db_config.h" INCLUDE INCLUDE #ifndef NO_SYSTEM_INCLUDES INCLUDE #include <sys/types.h> INCLUDE INCLUDE #include <ctype.h> INCLUDE #include <string.h> INCLUDE #endif INCLUDE INCLUDE #include "db_int.h" INCLUDE #include "dbinc/crypto.h" INCLUDE #include "dbinc/db_page.h" INCLUDE #include "dbinc/db_dispatch.h" INCLUDE #include "dbinc/db_am.h" INCLUDE #include "dbinc/log.h" INCLUDE #include "dbinc/txn.h" INCLUDE /* * addrem -- Add or remove an entry from a duplicate page. * * opcode: identifies if this is an add or delete. * fileid: file identifier of the file being modified. * pgno: duplicate page number. * indx: location at which to insert or delete. * nbytes: number of bytes added/removed to/from the page. * hdr: header for the data item. * dbt: data that is deleted or is to be added. * pagelsn: former lsn of the page. * * If the hdr was NULL then, the dbt is a regular B_KEYDATA. * If the dbt was NULL then the hdr is a complete item to be * pasted on the page. */ BEGIN addrem 41 ARG opcode u_int32_t lu DB fileid int32_t ld ARG pgno db_pgno_t lu ARG indx u_int32_t lu ARG nbytes u_int32_t lu PGDBT hdr DBT s DBT dbt DBT s POINTER pagelsn DB_LSN * lu END /* * big -- Handles addition and deletion of big key/data items. * * opcode: identifies get/put. * fileid: file identifier of the file being modified. * pgno: page onto which data is being added/removed. * prev_pgno: the page before the one we are logging. * next_pgno: the page after the one we are logging. * dbt: data being written onto the page. * pagelsn: former lsn of the orig_page. * prevlsn: former lsn of the prev_pgno. * nextlsn: former lsn of the next_pgno. This is not currently used, but * may be used later if we actually do overwrites of big key/ * data items in place. */ BEGIN big 43 ARG opcode u_int32_t lu DB fileid int32_t ld ARG pgno db_pgno_t lu ARG prev_pgno db_pgno_t lu ARG next_pgno db_pgno_t lu DBT dbt DBT s POINTER pagelsn DB_LSN * lu POINTER prevlsn DB_LSN * lu POINTER nextlsn DB_LSN * lu END /* * ovref -- Handles increment/decrement of overflow page reference count. * * fileid: identifies the file being modified. * pgno: page number whose ref count is being incremented/decremented. * adjust: the adjustment being made. * lsn: the page's original lsn. */ BEGIN ovref 44 DB fileid int32_t ld ARG pgno db_pgno_t lu ARG adjust int32_t ld POINTER lsn DB_LSN * lu END /* * relink -- Handles relinking around a page. * * opcode: indicates if this is an addpage or delete page * pgno: the page being changed. * lsn the page's original lsn. * prev: the previous page. * lsn_prev: the previous page's original lsn. * next: the next page. * lsn_next: the previous page's original lsn. */ BEGIN relink 45 ARG opcode u_int32_t lu DB fileid int32_t ld ARG pgno db_pgno_t lu POINTER lsn DB_LSN * lu ARG prev db_pgno_t lu POINTER lsn_prev DB_LSN * lu ARG next db_pgno_t lu POINTER lsn_next DB_LSN * lu END /* * Debug -- log an operation upon entering an access method. * op: Operation (cursor, c_close, c_get, c_put, c_del, * get, put, delete). * fileid: identifies the file being acted upon. * key: key paramater * data: data parameter * flags: flags parameter */ BEGIN debug 47 DBT op DBT s ARG fileid int32_t ld DBT key DBT s DBT data DBT s ARG arg_flags u_int32_t lu END /* * noop -- do nothing, but get an LSN. */ BEGIN noop 48 DB fileid int32_t ld ARG pgno db_pgno_t lu POINTER prevlsn DB_LSN * lu END /* * pg_alloc: used to record allocating a new page. * * meta_lsn: the meta-data page's original lsn. * meta_pgno the meta-data page number. * page_lsn: the allocated page's original lsn. * pgno: the page allocated. * ptype: the type of the page allocated. * next: the next page on the free list. */ BEGIN pg_alloc 49 DB fileid int32_t ld POINTER meta_lsn DB_LSN * lu ARG meta_pgno db_pgno_t lu POINTER page_lsn DB_LSN * lu ARG pgno db_pgno_t lu ARG ptype u_int32_t lu ARG next db_pgno_t lu END /* * pg_free: used to record freeing a page. * * pgno: the page being freed. * meta_lsn: the meta-data page's original lsn. * meta_pgno: the meta-data page number. * header: the header from the free'd page. * next: the previous next pointer on the metadata page. */ BEGIN pg_free 50 DB fileid int32_t ld ARG pgno db_pgno_t lu POINTER meta_lsn DB_LSN * lu ARG meta_pgno db_pgno_t lu PGDBT header DBT s ARG next db_pgno_t lu END /* * cksum -- * This log record is written when we're unable to checksum a page, * before returning DB_RUNRECOVERY. This log record causes normal * recovery to itself return DB_RUNRECOVERY, as only catastrophic * recovery can fix things. */ BEGIN cksum 51 END /* * pg_freedata: used to record freeing a page with data on it. * * pgno: the page being freed. * meta_lsn: the meta-data page's original lsn. * meta_pgno: the meta-data page number. * header: the header and index entries from the free'd page. * data: the data from the free'd page. * next: the previous next pointer on the metadata page. */ BEGIN pg_freedata 52 DB fileid int32_t ld ARG pgno db_pgno_t lu POINTER meta_lsn DB_LSN * lu ARG meta_pgno db_pgno_t lu PGDBT header DBT s ARG next db_pgno_t lu PGDBT data DBT s END /* * pg_prepare: used to record an aborted page in a prepared transaction. * * pgno: the page being freed. */ BEGIN pg_prepare 53 DB fileid int32_t ld ARG pgno db_pgno_t lu END /* * pg_new: used to record a new page put on the free list. * * pgno: the page being freed. * meta_lsn: the meta-data page's original lsn. * meta_pgno: the meta-data page number. * header: the header from the free'd page. * next: the previous next pointer on the metadata page. */ BEGIN pg_new 54 DB fileid int32_t ld ARG pgno db_pgno_t lu POINTER meta_lsn DB_LSN * lu ARG meta_pgno db_pgno_t lu PGDBT header DBT s ARG next db_pgno_t lu END