/*- * See the file LICENSE for redistribution information. * * Copyright (c) 2001-2003 * Sleepycat Software. All rights reserved. * * $Id: fileops.src,v 1.2 2004/03/30 01:23:27 jtownsen Exp $ */ PREFIX __fop DBPRIVATE INCLUDE #include "db_config.h" INCLUDE INCLUDE #ifndef NO_SYSTEM_INCLUDES INCLUDE #include INCLUDE INCLUDE #include INCLUDE #include 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 #include "dbinc/fop.h" INCLUDE /* * create -- create a file system object. * * name: name in the file system * appname: indicates if the name needs to go through __db_appname * mode: file system mode */ BEGIN create 143 DBT name DBT s ARG appname u_int32_t lu ARG mode u_int32_t o END /* * remove -- remove a file system object. * * name: name in the file system * appname: indicates if the name needs to go through __db_appname */ BEGIN remove 144 DBT name DBT s DBT fid DBT s ARG appname u_int32_t lu END /* * write: log the writing of data into an object. * * name: file containing the page. * appname: indicates if the name needs to go through __db_appname * pgsize: page size. * pageno: page number in the file. * offset: offset on the page. * page: the actual meta-data page. * flag: non-0 indicates that this is a tempfile, so we needn't undo * these modifications (we'll toss the file). */ BEGIN write 145 DBT name DBT s ARG appname u_int32_t lu ARG pgsize u_int32_t lu ARG pageno db_pgno_t lu ARG offset u_int32_t lu PGDBT page DBT s ARG flag u_int32_t lu END /* * rename: move a file from one name to another. * The appname value indicates if this is a path name that should be used * directly (i.e., no interpretation) or if it is a pathname that should * be interpreted via calls to __db_appname. The fileid is the 20-byte * DB fileid of the file being renamed. We need to check it on recovery * so that we don't inadvertently overwrite good files. */ BEGIN rename 146 DBT oldname DBT s DBT newname DBT s DBT fileid DBT s ARG appname u_int32_t lu END /* * File removal record. This is a DB-level log record that indicates * we've just completed some form of file removal. The purpose of this * log record is to logically identify the particular instance of the * named file so that during recovery, in deciding if we should roll-forward * a remove or a rename, we can make sure that we don't roll one forward and * delete or overwrite the wrong file. * real_fid: The 20-byte unique file identifier of the original file being * removed. * tmp_fid: The unique fid of the tmp file that is removed. * name: The pre- __db_appname name of the file * child: The transaction that removed or renamed the file. */ */ BEGIN file_remove 141 DBT real_fid DBT s DBT tmp_fid DBT s DBT name DBT s ARG appname u_int32_t lu ARG child u_int32_t lx END