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authorunknown <ram@mysql.r18.ru>2002-10-30 15:57:05 +0400
committerunknown <ram@mysql.r18.ru>2002-10-30 15:57:05 +0400
commit155e78f014de1a2e259ae5119f4621fbb210a784 (patch)
tree6881a3cca88bea0bb9eeffd5aae34be437152786 /bdb/common/db_err.c
parentb8798d25ab71436bf690ee8ae48285a655c5487e (diff)
downloadmariadb-git-155e78f014de1a2e259ae5119f4621fbb210a784.tar.gz
BDB 4.1.24
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BitKeeper/deleted/.del-5.004_04~8f3d1b3cf18bb20a: Delete: bdb/perl.DB_File/patches/5.004_04 BitKeeper/deleted/.del-5.004_05~9c0f02e7331e142: Delete: bdb/perl.DB_File/patches/5.004_05 BitKeeper/deleted/.del-5.005~c2108cb2e3c8d951: Delete: bdb/perl.DB_File/patches/5.005 BitKeeper/deleted/.del-5.005_01~3b45e9673afc4cfa: Delete: bdb/perl.DB_File/patches/5.005_01 BitKeeper/deleted/.del-5.005_02~9fe5766bb02a4522: Delete: bdb/perl.DB_File/patches/5.005_02 BitKeeper/deleted/.del-5.005_03~ffa1c38c19ae72ea: Delete: bdb/perl.DB_File/patches/5.005_03 BitKeeper/deleted/.del-5.6.0~373be3a5ce47be85: Delete: bdb/perl.DB_File/patches/5.6.0 BitKeeper/deleted/.del-db-btree.t~3231595a1c241eb3: Delete: bdb/perl.DB_File/t/db-btree.t BitKeeper/deleted/.del-db-hash.t~7c4ad0c795c7fad2: Delete: bdb/perl.DB_File/t/db-hash.t BitKeeper/deleted/.del-db-recno.t~6c2d3d80b9ba4a50: Delete: bdb/perl.DB_File/t/db-recno.t BitKeeper/deleted/.del-db_server.sed~cdb00ebcd48a64e2: Delete: bdb/rpc_server/db_server.sed BitKeeper/deleted/.del-db_server_proc.c~d46c8f409c3747f4: Delete: bdb/rpc_server/db_server_proc.c BitKeeper/deleted/.del-db_server_svc.sed~3f5e59f334fa4607: Delete: bdb/rpc_server/db_server_svc.sed BitKeeper/deleted/.del-db_server_util.c~a809f3a4629acda: Delete: bdb/rpc_server/db_server_util.c BitKeeper/deleted/.del-log.tcl~ff1b41f1355b97d7: Delete: bdb/test/log.tcl BitKeeper/deleted/.del-mpool.tcl~b0df4dc1b04db26c: Delete: bdb/test/mpool.tcl BitKeeper/deleted/.del-mutex.tcl~52fd5c73a150565: Delete: bdb/test/mutex.tcl BitKeeper/deleted/.del-txn.tcl~c4ff071550b5446e: Delete: bdb/test/txn.tcl BitKeeper/deleted/.del-README~e800a12a5392010a: Delete: bdb/test/upgrade/README BitKeeper/deleted/.del-pack-2.6.6.pl~89d5076d758d3e98: Delete: bdb/test/upgrade/generate-2.X/pack-2.6.6.pl BitKeeper/deleted/.del-test-2.6.patch~4a52dc83d447547b: Delete: bdb/test/upgrade/generate-2.X/test-2.6.patch
Diffstat (limited to 'bdb/common/db_err.c')
-rw-r--r--bdb/common/db_err.c359
1 files changed, 197 insertions, 162 deletions
diff --git a/bdb/common/db_err.c b/bdb/common/db_err.c
index d69bd023dfd..7c9ee3c4fde 100644
--- a/bdb/common/db_err.c
+++ b/bdb/common/db_err.c
@@ -1,14 +1,14 @@
/*-
* See the file LICENSE for redistribution information.
*
- * Copyright (c) 1996, 1997, 1998, 1999, 2000
+ * Copyright (c) 1996-2002
* Sleepycat Software. All rights reserved.
*/
#include "db_config.h"
#ifndef lint
-static const char revid[] = "$Id: db_err.c,v 11.38 2001/01/22 21:50:25 sue Exp $";
+static const char revid[] = "$Id: db_err.c,v 11.80 2002/07/30 01:21:53 bostic Exp $";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -20,21 +20,12 @@ static const char revid[] = "$Id: db_err.c,v 11.38 2001/01/22 21:50:25 sue Exp $
#endif
#include "db_int.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 "clib_ext.h"
-#include "common_ext.h"
-#include "db_auto.h"
-
-static void __db_errcall __P((const DB_ENV *, int, int, const char *, va_list));
-static void __db_errfile __P((const DB_ENV *, int, int, const char *, va_list));
+#include "dbinc/db_page.h"
+#include "dbinc/db_am.h"
+#include "dbinc/db_shash.h"
+#include "dbinc/lock.h"
+#include "dbinc/log.h"
+#include "dbinc/txn.h"
/*
* __db_fchk --
@@ -89,12 +80,13 @@ __db_ferr(dbenv, name, iscombo)
* __db_pgerr --
* Error when unable to retrieve a specified page.
*
- * PUBLIC: int __db_pgerr __P((DB *, db_pgno_t));
+ * PUBLIC: void __db_pgerr __P((DB *, db_pgno_t, int));
*/
-int
-__db_pgerr(dbp, pgno)
+void
+__db_pgerr(dbp, pgno, errval)
DB *dbp;
db_pgno_t pgno;
+ int errval;
{
/*
* Three things are certain:
@@ -103,23 +95,22 @@ __db_pgerr(dbp, pgno)
*/
__db_err(dbp->dbenv,
"unable to create/retrieve page %lu", (u_long)pgno);
- return (__db_panic(dbp->dbenv, EIO));
+ (void)__db_panic(dbp->dbenv, errval);
}
/*
* __db_pgfmt --
* Error when a page has the wrong format.
*
- * PUBLIC: int __db_pgfmt __P((DB *, db_pgno_t));
+ * PUBLIC: int __db_pgfmt __P((DB_ENV *, db_pgno_t));
*/
int
-__db_pgfmt(dbp, pgno)
- DB *dbp;
+__db_pgfmt(dbenv, pgno)
+ DB_ENV *dbenv;
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_err(dbenv, "page %lu: illegal page type or format", (u_long)pgno);
+ return (__db_panic(dbenv, EINVAL));
}
/*
@@ -157,7 +148,7 @@ __db_assert(failedexpr, file, line)
(void)fprintf(stderr,
"__db_assert: \"%s\" failed: file \"%s\", line %d\n",
failedexpr, file, line);
- fflush(stderr);
+ (void)fflush(stderr);
/* We want a stack trace of how this could possibly happen. */
abort();
@@ -176,7 +167,7 @@ int
__db_panic_msg(dbenv)
DB_ENV *dbenv;
{
- __db_err(dbenv, "region error detected; run recovery.");
+ __db_err(dbenv, "fatal region error detected; run recovery");
return (DB_RUNRECOVERY);
}
@@ -191,11 +182,10 @@ __db_panic(dbenv, errval)
DB_ENV *dbenv;
int errval;
{
-
if (dbenv != NULL) {
- ((REGENV *)((REGINFO *)dbenv->reginfo)->primary)->panic = 1;
+ PANIC_SET(dbenv, 1);
- dbenv->db_panic = errval;
+ dbenv->panic_errval = errval;
__db_err(dbenv, "PANIC: %s", db_strerror(errval));
@@ -203,6 +193,17 @@ __db_panic(dbenv, errval)
dbenv->db_paniccall(dbenv, errval);
}
+#if defined(DIAGNOSTIC) && !defined(CONFIG_TEST)
+ /*
+ * We want a stack trace of how this could possibly happen.
+ *
+ * Don't drop core if it's the test suite -- it's reasonable for the
+ * test suite to check to make sure that DB_RUNRECOVERY is returned
+ * under certain conditions.
+ */
+ abort();
+#endif
+
/*
* Chaos reigns within.
* Reflect, repent, and reboot.
@@ -214,6 +215,8 @@ __db_panic(dbenv, errval)
/*
* db_strerror --
* ANSI C strerror(3) for DB.
+ *
+ * EXTERN: char *db_strerror __P((int));
*/
char *
db_strerror(error)
@@ -232,8 +235,8 @@ db_strerror(error)
* altered.
*/
switch (error) {
- case DB_INCOMPLETE:
- return ("DB_INCOMPLETE: Cache flush was unable to complete");
+ case DB_DONOTINDEX:
+ return ("DB_DONOTINDEX: Secondary index callback returns null");
case DB_KEYEMPTY:
return ("DB_KEYEMPTY: Non-existent key/data pair");
case DB_KEYEXIST:
@@ -253,8 +256,26 @@ db_strerror(error)
return ("DB_NOTFOUND: No matching key/data pair found");
case DB_OLD_VERSION:
return ("DB_OLDVERSION: Database requires a version upgrade");
+ case DB_PAGE_NOTFOUND:
+ return ("DB_PAGE_NOTFOUND: Requested page not found");
+ case DB_REP_DUPMASTER:
+ return ("DB_REP_DUPMASTER: A second master site appeared");
+ case DB_REP_HOLDELECTION:
+ return ("DB_REP_HOLDELECTION: Need to hold an election");
+ case DB_REP_NEWMASTER:
+ return ("DB_REP_NEWMASTER: A new master has declared itself");
+ case DB_REP_NEWSITE:
+ return ("DB_REP_NEWSITE: A new site has entered the system");
+ case DB_REP_OUTDATED:
+ return
+ ("DB_REP_OUTDATED: Insufficient logs on master to recover");
+ case DB_REP_UNAVAIL:
+ return ("DB_REP_UNAVAIL: Unable to elect a master");
case DB_RUNRECOVERY:
return ("DB_RUNRECOVERY: Fatal error, run database recovery");
+ case DB_SECONDARY_BAD:
+ return
+ ("DB_SECONDARY_BAD: Secondary index item missing from primary");
case DB_VERIFY_BAD:
return ("DB_VERIFY_BAD: Database verification failed");
default: {
@@ -274,8 +295,8 @@ db_strerror(error)
/*
* __db_err --
- * Standard DB error routine. The same as db_errx, except that we
- * don't write to stderr if no output mechanism was specified.
+ * Standard DB error routine. The same as errx, except we don't write
+ * to stderr if no output mechanism was specified.
*
* PUBLIC: void __db_err __P((const DB_ENV *, const char *, ...));
*/
@@ -289,81 +310,17 @@ __db_err(dbenv, fmt, va_alist)
va_dcl
#endif
{
- va_list ap;
-
-/*
- XXX
- Log the message.
-
- It would be nice to automatically log the error into the log files
- if the application is configured for logging. The problem is that
- if we currently hold the log region mutex, we will self-deadlock.
- Leave all the structure in place, but turned off. I'd like to fix
- this in the future by detecting if we have the log region already
- locked (e.g., a flag in the environment handle), or perhaps even
- have a finer granularity so that the only calls to __db_err we
- can't log are those made while we have the current log buffer
- locked, or perhaps have a separate buffer into which we log error
- messages.
-
-#ifdef __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- __db_real_log(dbenv, NULL, "db_err", 0, fmt, ap);
-
- va_end(ap);
-#endif
-*/
-
- /* Tell the application. */
-#ifdef __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- __db_real_err(dbenv, 0, 0, 0, fmt, ap);
-
- va_end(ap);
-}
-
-/*
- * __db_real_err --
- * All the DB error routines end up here.
- *
- * PUBLIC: void __db_real_err
- * PUBLIC: __P((const DB_ENV *, int, int, int, const char *, va_list));
- */
-void
-__db_real_err(dbenv, error, error_set, stderr_default, fmt, ap)
- const DB_ENV *dbenv;
- int error, error_set, stderr_default;
- const char *fmt;
- va_list ap;
-{
- /* Call the user's callback function, if specified. */
- if (dbenv != NULL && dbenv->db_errcall != NULL)
- __db_errcall(dbenv, error, error_set, fmt, ap);
-
- /* Write to the user's file descriptor, if specified. */
- if (dbenv != NULL && dbenv->db_errfile != NULL)
- __db_errfile(dbenv, error, error_set, fmt, ap);
-
- /*
- * If we have a default and we didn't do either of the above, write
- * to the default.
- */
- if (stderr_default && (dbenv == NULL ||
- (dbenv->db_errcall == NULL && dbenv->db_errfile == NULL)))
- __db_errfile(dbenv, error, error_set, fmt, ap);
+ DB_REAL_ERR(dbenv, 0, 0, 0, fmt);
}
/*
* __db_errcall --
* Do the error message work for callback functions.
+ *
+ * PUBLIC: void __db_errcall
+ * PUBLIC: __P((const DB_ENV *, int, int, const char *, va_list));
*/
-static void
+void
__db_errcall(dbenv, error, error_set, fmt, ap)
const DB_ENV *dbenv;
int error, error_set;
@@ -371,27 +328,44 @@ __db_errcall(dbenv, error, error_set, fmt, ap)
va_list ap;
{
char *p;
- char __errbuf[2048]; /* !!!: END OF THE STACK DON'T TRUST SPRINTF. */
+ char errbuf[2048]; /* !!!: END OF THE STACK DON'T TRUST SPRINTF. */
- p = __errbuf;
- if (fmt != NULL) {
- p += vsnprintf(__errbuf, sizeof(__errbuf), fmt, ap);
- if (error_set) {
- *p++ = ':';
- *p++ = ' ';
- }
- }
+ p = errbuf;
+ if (fmt != NULL)
+ p += vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
if (error_set)
- (void)strcpy(p, db_strerror(error));
+ p += snprintf(p,
+ sizeof(errbuf) - (p - errbuf), ": %s", db_strerror(error));
+ /*
+ * !!!
+ * We're potentially manipulating strings handed us by the application,
+ * and on systems without a real snprintf() the sprintf() calls could
+ * have overflowed the buffer. We can't do anything about it now, but
+ * we don't want to return control to the application, we might have
+ * overwritten the stack with a Trojan horse. We're not trying to do
+ * anything recoverable here because systems without snprintf support
+ * are pretty rare anymore.
+ */
+ if ((size_t)(p - errbuf) > sizeof(errbuf)) {
+ (void)fprintf(stderr,
+ "Berkeley DB: error callback interface buffer overflow\n");
+ (void)fflush(stderr);
+
+ abort();
+ /* NOTREACHED */
+ }
- dbenv->db_errcall(dbenv->db_errpfx, __errbuf);
+ dbenv->db_errcall(dbenv->db_errpfx, errbuf);
}
/*
* __db_errfile --
* Do the error message work for FILE *s.
+ *
+ * PUBLIC: void __db_errfile
+ * PUBLIC: __P((const DB_ENV *, int, int, const char *, va_list));
*/
-static void
+void
__db_errfile(dbenv, error, error_set, fmt, ap)
const DB_ENV *dbenv;
int error, error_set;
@@ -436,48 +410,22 @@ __db_logmsg(dbenv, txnid, opname, flags, fmt, va_alist)
va_dcl
#endif
{
- va_list ap;
-
-#ifdef __STDC__
- va_start(ap, fmt);
-#else
- va_start(ap);
-#endif
- __db_real_log(dbenv, txnid, opname, flags, fmt, ap);
-
- va_end(ap);
-}
-
-/*
- * __db_real_log --
- * Write information into the DB log.
- *
- * PUBLIC: void __db_real_log __P((const DB_ENV *,
- * PUBLIC: DB_TXN *, const char *, u_int32_t, const char *, va_list ap));
- */
-void
-#ifdef __STDC__
-__db_real_log(const DB_ENV *dbenv, DB_TXN *txnid,
- const char *opname, u_int32_t flags, const char *fmt, va_list ap)
-#else
-__db_real_log(dbenv, txnid, opname, flags, fmt, ap)
- const DB_ENV *dbenv;
- DB_TXN *txnid;
- const char *opname, *fmt;
- u_int32_t flags;
- va_list ap;
-#endif
-{
DBT opdbt, msgdbt;
DB_LSN lsn;
+ va_list ap;
char __logbuf[2048]; /* !!!: END OF THE STACK DON'T TRUST SPRINTF. */
if (!LOGGING_ON(dbenv))
return;
+#ifdef __STDC__
+ va_start(ap, fmt);
+#else
+ va_start(ap);
+#endif
memset(&opdbt, 0, sizeof(opdbt));
opdbt.data = (void *)opname;
- opdbt.size = strlen(opname) + 1;
+ opdbt.size = (u_int32_t)(strlen(opname) + 1);
memset(&msgdbt, 0, sizeof(msgdbt));
msgdbt.data = __logbuf;
@@ -490,6 +438,8 @@ __db_real_log(dbenv, txnid, opname, flags, fmt, ap)
*/
__db_debug_log(
(DB_ENV *)dbenv, txnid, &lsn, flags, &opdbt, -1, &msgdbt, NULL, 0);
+
+ va_end(ap);
}
/*
@@ -511,34 +461,119 @@ __db_unknown_flag(dbenv, routine, flag)
/*
* __db_unknown_type -- report internal error
*
- * PUBLIC: int __db_unknown_type __P((DB_ENV *, char *, u_int32_t));
+ * PUBLIC: int __db_unknown_type __P((DB_ENV *, char *, DBTYPE));
*/
int
__db_unknown_type(dbenv, routine, type)
DB_ENV *dbenv;
char *routine;
- u_int32_t type;
+ DBTYPE type;
{
__db_err(dbenv, "%s: Unknown db type: 0x%x", routine, type);
DB_ASSERT(0);
return (EINVAL);
}
-#ifdef DIAGNOSTIC
/*
- * __db_missing_txn_err --
- * Cannot combine operations with and without transactions.
+ * __db_check_txn --
+ * Check for common transaction errors.
*
- * PUBLIC: #ifdef DIAGNOSTIC
- * PUBLIC: int __db_missing_txn_err __P((DB_ENV *));
- * PUBLIC: #endif
+ * PUBLIC: int __db_check_txn __P((DB *, DB_TXN *, u_int32_t, int));
*/
int
-__db_missing_txn_err(dbenv)
- DB_ENV *dbenv;
+__db_check_txn(dbp, txn, assoc_lid, read_op)
+ DB *dbp;
+ DB_TXN *txn;
+ u_int32_t assoc_lid;
+ int read_op;
{
+ DB_ENV *dbenv;
+
+ dbenv = dbp->dbenv;
+
+ /*
+ * If we are in recovery or aborting a transaction, then we
+ * don't need to enforce the rules about dbp's not allowing
+ * transactional operations in non-transactional dbps and
+ * vica-versa. This happens all the time as the dbp during
+ * an abort may be transactional, but we undo operations
+ * outside a transaction since we're aborting.
+ */
+ if (IS_RECOVERING(dbenv) || F_ISSET(dbp, DB_AM_RECOVER))
+ return (0);
+
+ /*
+ * Check for common transaction errors:
+ * Failure to pass a transaction handle to a DB operation
+ * Failure to configure the DB handle in a proper environment
+ * Operation on a handle whose open commit hasn't completed.
+ *
+ * Read operations don't require a txn even if we've used one before
+ * with this handle, although if they do have a txn, we'd better be
+ * prepared for it.
+ */
+ if (txn == NULL) {
+ if (!read_op && F_ISSET(dbp, DB_AM_TXN)) {
+ __db_err(dbenv,
+ "DB handle previously used in transaction, missing transaction handle");
+ return (EINVAL);
+ }
+
+ if (dbp->cur_lid >= TXN_MINIMUM)
+ goto open_err;
+ } else {
+ if (dbp->cur_lid >= TXN_MINIMUM && dbp->cur_lid != txn->txnid)
+ goto open_err;
+
+ if (!TXN_ON(dbenv))
+ return (__db_not_txn_env(dbenv));
+
+ if (!F_ISSET(dbp, DB_AM_TXN)) {
+ __db_err(dbenv,
+ "Transaction specified for a DB handle opened outside a transaction");
+ return (EINVAL);
+ }
+ }
+
+ /*
+ * If dbp->associate_lid is not DB_LOCK_INVALIDID, that means we're in
+ * the middle of a DB->associate with DB_CREATE (i.e., a secondary index
+ * creation).
+ *
+ * In addition to the usual transaction rules, we need to lock out
+ * non-transactional updates that aren't part of the associate (and
+ * thus are using some other locker ID).
+ *
+ * Transactional updates should simply block; from the time we
+ * decide to build the secondary until commit, we'll hold a write
+ * lock on all of its pages, so it should be safe to attempt to update
+ * the secondary in another transaction (presumably by updating the
+ * primary).
+ */
+ if (!read_op && dbp->associate_lid != DB_LOCK_INVALIDID &&
+ txn != NULL && dbp->associate_lid != assoc_lid) {
+ __db_err(dbenv,
+ "Operation forbidden while secondary index is being created");
+ return (EINVAL);
+ }
+
+ return (0);
+open_err:
__db_err(dbenv,
- "DB handle previously used in transaction, missing transaction handle.");
+ "Transaction that opened the DB handle is still active");
+ return (EINVAL);
+}
+
+/*
+ * __db_not_txn_env --
+ * DB handle must be in an environment that supports transactions.
+ *
+ * PUBLIC: int __db_not_txn_env __P((DB_ENV *));
+ */
+int
+__db_not_txn_env(dbenv)
+ DB_ENV *dbenv;
+{
+ __db_err(dbenv, "DB environment not configured for transactions");
return (EINVAL);
}
-#endif