dbreg_stat.c

/*-
 * See the file LICENSE for redistribution information.
 *
 * Copyright (c) 1997-2005
 *      Sleepycat Software.  All rights reserved.
 *
 * $Id: dbreg_stat.c,v 12.5 2005/10/12 15:01:47 margo Exp $
 */

#include "db_config.h"

#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <string.h>
#endif

#include "db_int.h"
#include "dbinc/db_page.h"
#include "dbinc/db_am.h"
#include "dbinc/log.h"
#include "dbinc/txn.h"

#ifdef HAVE_STATISTICS
static int __dbreg_print_dblist __P((DB_ENV *, u_int32_t));

/*
 * __dbreg_stat_print --
 *      Print the dbreg statistics.
 *
 * PUBLIC: int __dbreg_stat_print __P((DB_ENV *, u_int32_t));
 */
int
__dbreg_stat_print(dbenv, flags)
        DB_ENV *dbenv;
        u_int32_t flags;
{
        int ret;

        if (LF_ISSET(DB_STAT_ALL) &&
            (ret = __dbreg_print_dblist(dbenv, flags)) != 0)
                return (ret);

        return (0);
}

/*
 * __dbreg_print_fname --
 *      Display the contents of an FNAME structure.
 *
 * PUBLIC: void __dbreg_print_fname __P((DB_ENV *, FNAME *));
 */
void
__dbreg_print_fname(dbenv, fnp)
        DB_ENV *dbenv;
        FNAME *fnp;
{
        static const FN fn[] = {
                { DB_FNAME_DURABLE,     "DB_FNAME_DURABLE" },
                { DB_FNAME_NOTLOGGED,   "DB_FNAME_NOTLOGGED" },
                { 0,                    NULL }
        };

        __db_msg(dbenv, "%s", DB_GLOBAL(db_line));
        __db_msg(dbenv, "DB handle FNAME contents:");
        STAT_LONG("log ID", fnp->id);
        STAT_ULONG("Meta pgno", fnp->meta_pgno);
        __db_print_fileid(dbenv, fnp->ufid, "\tFile ID");
        STAT_ULONG("create txn", fnp->create_txnid);
        __db_prflags(dbenv, NULL, fnp->flags, fn, NULL, "\tFlags");
}

/*
 * __dbreg_print_dblist --
 *      Display the DB_ENV's list of files.
 */
static int
__dbreg_print_dblist(dbenv, flags)
        DB_ENV *dbenv;
        u_int32_t flags;
{
        DB *dbp;
        DB_LOG *dblp;
        FNAME *fnp;
        LOG *lp;
        int del, first;
        char *name;

        dblp = dbenv->lg_handle;
        lp = dblp->reginfo.primary;

        __db_msg(dbenv, "%s", DB_GLOBAL(db_line));
        __db_msg(dbenv, "LOG FNAME list:");
        __mutex_print_debug_single(
            dbenv, "File name mutex", lp->mtx_filelist, flags);

        STAT_LONG("Fid max", lp->fid_max);

        MUTEX_LOCK(dbenv, lp->mtx_filelist);
        for (first = 1, fnp = SH_TAILQ_FIRST(&lp->fq, __fname);
            fnp != NULL; fnp = SH_TAILQ_NEXT(fnp, q, __fname)) {
                if (first) {
                        first = 0;
                        __db_msg(dbenv,
                            "ID\tName\tType\tPgno\tTxnid\tDBP-info");
                }
                if (fnp->name_off == INVALID_ROFF)
                        name = "";
                else
                        name = R_ADDR(&dblp->reginfo, fnp->name_off);

                dbp = fnp->id >= dblp->dbentry_cnt ? NULL :
                    dblp->dbentry[fnp->id].dbp;
                del = fnp->id >= dblp->dbentry_cnt ? 0 :
                    dblp->dbentry[fnp->id].deleted;
                __db_msg(dbenv, "%ld\t%s\t%s\t%lu\t%lx\t%s %d %lx %lx",
                    (long)fnp->id, name,
                    __db_dbtype_to_string(fnp->s_type),
                    (u_long)fnp->meta_pgno, (u_long)fnp->create_txnid,
                    dbp == NULL ? "No DBP" : "DBP", del, P_TO_ULONG(dbp),
                    (u_long)(dbp == NULL ? 0 : dbp->flags));
        }
        MUTEX_UNLOCK(dbenv, lp->mtx_filelist);

        return (0);
}
#endif

---