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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1996, 1997, 1998
* Sleepycat Software. All rights reserved.
*/
#include "config.h"
#ifndef lint
static const char sccsid[] = "@(#)db_err.c 10.42 (Sleepycat) 11/24/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#ifdef __STDC__
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#endif
#include "db_int.h"
#include "shqueue.h"
#include "db_shash.h"
#include "lock.h"
#include "lock_ext.h"
#include "log.h"
#include "log_ext.h"
#include "mp.h"
#include "mp_ext.h"
#include "txn.h"
#include "txn_ext.h"
#include "common_ext.h"
#include "clib_ext.h"
/*
* __db_fchk --
* General flags checking routine.
*
* PUBLIC: int __db_fchk __P((DB_ENV *, const char *, u_int32_t, u_int32_t));
*/
int
__db_fchk(dbenv, name, flags, ok_flags)
DB_ENV *dbenv;
const char *name;
u_int32_t flags, ok_flags;
{
return (flags & ~ok_flags ? __db_ferr(dbenv, name, 0) : 0);
}
/*
* __db_fcchk --
* General combination flags checking routine.
*
* PUBLIC: int __db_fcchk
* PUBLIC: __P((DB_ENV *, const char *, u_int32_t, u_int32_t, u_int32_t));
*/
int
__db_fcchk(dbenv, name, flags, flag1, flag2)
DB_ENV *dbenv;
const char *name;
u_int32_t flags, flag1, flag2;
{
return ((flags & flag1) &&
(flags & flag2) ? __db_ferr(dbenv, name, 1) : 0);
}
/*
* __db_ferr --
* Common flag errors.
*
* PUBLIC: int __db_ferr __P((const DB_ENV *, const char *, int));
*/
int
__db_ferr(dbenv, name, iscombo)
const DB_ENV *dbenv;
const char *name;
int iscombo;
{
__db_err(dbenv, "illegal flag %sspecified to %s",
iscombo ? "combination " : "", name);
return (EINVAL);
}
/*
* __db_err --
* Standard DB error routine.
*
* PUBLIC: #ifdef __STDC__
* PUBLIC: void __db_err __P((const DB_ENV *dbenv, const char *fmt, ...));
* PUBLIC: #else
* PUBLIC: void __db_err();
* PUBLIC: #endif
*/
void
#ifdef __STDC__
__db_err(const DB_ENV *dbenv, const char *fmt, ...)
#else
__db_err(dbenv, fmt, va_alist)
const DB_ENV *dbenv;
const char *fmt;
va_dcl
#endif
{
va_list ap;
char errbuf[2048]; /* XXX: END OF THE STACK DON'T TRUST SPRINTF. */
if (dbenv == NULL)
return;
if (dbenv->db_errcall != NULL) {
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
(void)vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
dbenv->db_errcall(dbenv->db_errpfx, errbuf);
va_end(ap);
}
if (dbenv->db_errfile != NULL) {
if (dbenv->db_errpfx != NULL)
(void)fprintf(dbenv->db_errfile, "%s: ",
dbenv->db_errpfx);
#ifdef __STDC__
va_start(ap, fmt);
#else
va_start(ap);
#endif
(void)vfprintf(dbenv->db_errfile, fmt, ap);
(void)fprintf(dbenv->db_errfile, "\n");
(void)fflush(dbenv->db_errfile);
va_end(ap);
}
}
/*
* __db_pgerr --
* Error when unable to retrieve a specified page.
*
* PUBLIC: int __db_pgerr __P((DB *, db_pgno_t));
*/
int
__db_pgerr(dbp, pgno)
DB *dbp;
db_pgno_t pgno;
{
/*
* Three things are certain:
* Death, taxes, and lost data.
* Guess which has occurred.
*/
__db_err(dbp->dbenv,
"unable to create/retrieve page %lu", (u_long)pgno);
return (__db_panic(dbp->dbenv, EIO));
}
/*
* __db_pgfmt --
* Error when a page has the wrong format.
*
* PUBLIC: int __db_pgfmt __P((DB *, db_pgno_t));
*/
int
__db_pgfmt(dbp, pgno)
DB *dbp;
db_pgno_t pgno;
{
__db_err(dbp->dbenv,
"page %lu: illegal page type or format", (u_long)pgno);
return (__db_panic(dbp->dbenv, EINVAL));
}
/*
* __db_panic --
* Lock out the tree due to unrecoverable error.
*
* PUBLIC: int __db_panic __P((DB_ENV *, int));
*/
int
__db_panic(dbenv, errval)
DB_ENV *dbenv;
int errval;
{
if (dbenv != NULL) {
dbenv->db_panic = errval;
(void)__log_panic(dbenv);
(void)__memp_panic(dbenv);
(void)__lock_panic(dbenv);
(void)__txn_panic(dbenv);
__db_err(dbenv, "PANIC: %s", strerror(errval));
if (dbenv->db_paniccall != NULL)
dbenv->db_paniccall(dbenv, errval);
}
/*
* Chaos reigns within.
* Reflect, repent, and reboot.
* Order shall return.
*/
return (DB_RUNRECOVERY);
}
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