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mariadb/storage/bdb/env/env_method.c
jimw@mysql.com af88d67a19 Import BDB 4.4.16
2005-12-05 10:27:46 -08:00

1170 lines
28 KiB
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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1999-2005
* Sleepycat Software. All rights reserved.
*
* $Id: env_method.c,v 12.19 2005/11/10 17:12:17 bostic Exp $
*/
#include "db_config.h"
#ifndef NO_SYSTEM_INCLUDES
#include <sys/types.h>
#ifdef HAVE_RPC
#include <rpc/rpc.h>
#endif
#include <string.h>
#endif
#ifdef HAVE_RPC
#include "db_server.h"
#endif
/*
* This is the file that initializes the global array. Do it this way because
* people keep changing one without changing the other. Having declaration and
* initialization in one file will hopefully fix that.
*/
#define DB_INITIALIZE_DB_GLOBALS 1
#include "db_int.h"
#include "dbinc/crypto.h"
#include "dbinc/hmac.h"
#include "dbinc/db_shash.h"
#include "dbinc/db_page.h"
#include "dbinc/db_am.h"
#include "dbinc/lock.h"
#include "dbinc/log.h"
#include "dbinc/mp.h"
#include "dbinc/txn.h"
#ifdef HAVE_RPC
#include "dbinc_auto/rpc_client_ext.h"
#endif
static void __env_err __P((const DB_ENV *, int, const char *, ...));
static void __env_errx __P((const DB_ENV *, const char *, ...));
static int __env_get_data_dirs __P((DB_ENV *, const char ***));
static int __env_get_flags __P((DB_ENV *, u_int32_t *));
static int __env_get_home __P((DB_ENV *, const char **));
static int __env_get_shm_key __P((DB_ENV *, long *));
static int __env_get_tmp_dir __P((DB_ENV *, const char **));
static int __env_get_verbose __P((DB_ENV *, u_int32_t, int *));
static int __env_init __P((DB_ENV *));
static void __env_map_flags __P((DB_ENV *, u_int32_t *, u_int32_t *));
static int __env_set_app_dispatch
__P((DB_ENV *, int (*)(DB_ENV *, DBT *, DB_LSN *, db_recops)));
static int __env_set_feedback __P((DB_ENV *, void (*)(DB_ENV *, int, int)));
static int __env_set_isalive __P((DB_ENV *, int (*)(DB_ENV *,
pid_t, db_threadid_t)));
static int __env_set_thread_id __P((DB_ENV *, void (*)(DB_ENV *,
pid_t *, db_threadid_t *)));
static int __env_set_thread_id_string __P((DB_ENV *,
char * (*)(DB_ENV *, pid_t, db_threadid_t, char *)));
static int __env_set_thread_count __P((DB_ENV *, u_int32_t));
static int __env_set_rpc_server
__P((DB_ENV *, void *, const char *, long, long, u_int32_t));
/*
* db_env_create --
* DB_ENV constructor.
*
* EXTERN: int db_env_create __P((DB_ENV **, u_int32_t));
*/
int
db_env_create(dbenvpp, flags)
DB_ENV **dbenvpp;
u_int32_t flags;
{
DB_ENV *dbenv;
int ret;
/*
* !!!
* Our caller has not yet had the opportunity to reset the panic
* state or turn off mutex locking, and so we can neither check
* the panic state or acquire a mutex in the DB_ENV create path.
*
* !!!
* We can't call the flags-checking routines, we don't have an
* environment yet.
*/
if (flags != 0 && !LF_ISSET(DB_RPCCLIENT))
return (EINVAL);
if ((ret = __os_calloc(NULL, 1, sizeof(*dbenv), &dbenv)) != 0)
return (ret);
#ifdef HAVE_RPC
if (LF_ISSET(DB_RPCCLIENT))
F_SET(dbenv, DB_ENV_RPCCLIENT);
#endif
if ((ret = __env_init(dbenv)) != 0) {
__os_free(NULL, dbenv);
return (ret);
}
*dbenvpp = dbenv;
return (0);
}
/*
* __env_init --
* Initialize a DB_ENV structure.
*/
static int
__env_init(dbenv)
DB_ENV *dbenv;
{
/*
* !!!
* Our caller has not yet had the opportunity to reset the panic
* state or turn off mutex locking, and so we can neither check
* the panic state or acquire a mutex in the DB_ENV create path.
*
* Initialize the method handles.
*/
/* DB_ENV PUBLIC HANDLE LIST BEGIN */
dbenv->close = __env_close_pp;
dbenv->dbremove = __env_dbremove_pp;
dbenv->dbrename = __env_dbrename_pp;
dbenv->err = __env_err;
dbenv->errx = __env_errx;
dbenv->failchk = __env_failchk_pp;
dbenv->fileid_reset = __env_fileid_reset_pp;
dbenv->get_cachesize = __memp_get_cachesize;
dbenv->get_data_dirs = __env_get_data_dirs;
dbenv->get_encrypt_flags = __env_get_encrypt_flags;
dbenv->get_errfile = __env_get_errfile;
dbenv->get_errpfx = __env_get_errpfx;
dbenv->get_flags = __env_get_flags;
dbenv->get_home = __env_get_home;
dbenv->get_lg_bsize = __log_get_lg_bsize;
dbenv->get_lg_dir = __log_get_lg_dir;
dbenv->get_lg_filemode = __log_get_lg_filemode;
dbenv->get_lg_max = __log_get_lg_max;
dbenv->get_lg_regionmax = __log_get_lg_regionmax;
dbenv->get_lk_conflicts = __lock_get_lk_conflicts;
dbenv->get_lk_detect = __lock_get_lk_detect;
dbenv->get_lk_max_lockers = __lock_get_lk_max_lockers;
dbenv->get_lk_max_locks = __lock_get_lk_max_locks;
dbenv->get_lk_max_objects = __lock_get_lk_max_objects;
dbenv->get_mp_max_openfd = __memp_get_mp_max_openfd;
dbenv->get_mp_max_write = __memp_get_mp_max_write;
dbenv->get_mp_mmapsize = __memp_get_mp_mmapsize;
dbenv->get_msgfile = __env_get_msgfile;
dbenv->get_open_flags = __env_get_open_flags;
dbenv->get_rep_limit = __rep_get_limit;
dbenv->get_shm_key = __env_get_shm_key;
dbenv->get_timeout = __lock_get_env_timeout;
dbenv->get_tmp_dir = __env_get_tmp_dir;
dbenv->get_tx_max = __txn_get_tx_max;
dbenv->get_tx_timestamp = __txn_get_tx_timestamp;
dbenv->get_verbose = __env_get_verbose;
dbenv->is_bigendian = __db_isbigendian;
dbenv->lock_detect = __lock_detect_pp;
dbenv->lock_get = __lock_get_pp;
dbenv->lock_id = __lock_id_pp;
dbenv->lock_id_free = __lock_id_free_pp;
dbenv->lock_put = __lock_put_pp;
dbenv->lock_stat = __lock_stat_pp;
dbenv->lock_stat_print = __lock_stat_print_pp;
dbenv->lock_vec = __lock_vec_pp;
dbenv->log_archive = __log_archive_pp;
dbenv->log_cursor = __log_cursor_pp;
dbenv->log_file = __log_file_pp;
dbenv->log_flush = __log_flush_pp;
dbenv->log_printf = __log_printf_capi;
dbenv->log_put = __log_put_pp;
dbenv->log_stat = __log_stat_pp;
dbenv->log_stat_print = __log_stat_print_pp;
dbenv->lsn_reset = __env_lsn_reset_pp;
dbenv->memp_fcreate = __memp_fcreate_pp;
dbenv->memp_register = __memp_register_pp;
dbenv->memp_stat = __memp_stat_pp;
dbenv->memp_stat_print = __memp_stat_print_pp;
dbenv->memp_sync = __memp_sync_pp;
dbenv->memp_trickle = __memp_trickle_pp;
dbenv->mutex_alloc = __mutex_alloc_pp;
dbenv->mutex_free = __mutex_free_pp;
dbenv->mutex_get_align = __mutex_get_align;
dbenv->mutex_get_increment = __mutex_get_increment;
dbenv->mutex_get_max = __mutex_get_max;
dbenv->mutex_get_tas_spins = __mutex_get_tas_spins;
dbenv->mutex_lock = __mutex_lock_pp;
dbenv->mutex_set_align = __mutex_set_align;
dbenv->mutex_set_increment = __mutex_set_increment;
dbenv->mutex_set_max = __mutex_set_max;
dbenv->mutex_set_tas_spins = __mutex_set_tas_spins;
dbenv->mutex_stat = __mutex_stat;
dbenv->mutex_stat_print = __mutex_stat_print;
dbenv->mutex_unlock = __mutex_unlock_pp;
dbenv->open = __env_open_pp;
dbenv->remove = __env_remove;
dbenv->rep_elect = __rep_elect;
dbenv->rep_flush = __rep_flush;
dbenv->rep_get_config = __rep_get_config;
dbenv->rep_process_message = __rep_process_message;
dbenv->rep_set_config = __rep_set_config;
dbenv->rep_start = __rep_start;
dbenv->rep_stat = __rep_stat_pp;
dbenv->rep_stat_print = __rep_stat_print_pp;
dbenv->rep_sync = __rep_sync;
dbenv->set_alloc = __env_set_alloc;
dbenv->set_app_dispatch = __env_set_app_dispatch;
dbenv->set_cachesize = __memp_set_cachesize;
dbenv->set_data_dir = __env_set_data_dir;
dbenv->set_encrypt = __env_set_encrypt;
dbenv->set_errcall = __env_set_errcall;
dbenv->set_errfile = __env_set_errfile;
dbenv->set_errpfx = __env_set_errpfx;
dbenv->set_feedback = __env_set_feedback;
dbenv->set_flags = __env_set_flags;
dbenv->set_intermediate_dir = __env_set_intermediate_dir;
dbenv->set_isalive = __env_set_isalive;
dbenv->set_lg_bsize = __log_set_lg_bsize;
dbenv->set_lg_dir = __log_set_lg_dir;
dbenv->set_lg_filemode = __log_set_lg_filemode;
dbenv->set_lg_max = __log_set_lg_max;
dbenv->set_lg_regionmax = __log_set_lg_regionmax;
dbenv->set_lk_conflicts = __lock_set_lk_conflicts;
dbenv->set_lk_detect = __lock_set_lk_detect;
dbenv->set_lk_max = __lock_set_lk_max;
dbenv->set_lk_max_lockers = __lock_set_lk_max_lockers;
dbenv->set_lk_max_locks = __lock_set_lk_max_locks;
dbenv->set_lk_max_objects = __lock_set_lk_max_objects;
dbenv->set_mp_max_openfd = __memp_set_mp_max_openfd;
dbenv->set_mp_max_write = __memp_set_mp_max_write;
dbenv->set_mp_mmapsize = __memp_set_mp_mmapsize;
dbenv->set_msgcall = __env_set_msgcall;
dbenv->set_msgfile = __env_set_msgfile;
dbenv->set_paniccall = __env_set_paniccall;
dbenv->set_rep_limit = __rep_set_limit;
dbenv->set_rep_request = __rep_set_request;
dbenv->set_rep_transport = __rep_set_rep_transport;
dbenv->set_rpc_server = __env_set_rpc_server;
dbenv->set_shm_key = __env_set_shm_key;
dbenv->set_thread_count = __env_set_thread_count;
dbenv->set_thread_id = __env_set_thread_id;
dbenv->set_thread_id_string = __env_set_thread_id_string;
dbenv->set_timeout = __lock_set_env_timeout;
dbenv->set_tmp_dir = __env_set_tmp_dir;
dbenv->set_tx_max = __txn_set_tx_max;
dbenv->set_tx_timestamp = __txn_set_tx_timestamp;
dbenv->set_verbose = __env_set_verbose;
dbenv->stat_print = __env_stat_print_pp;
dbenv->txn_begin = __txn_begin_pp;
dbenv->txn_checkpoint = __txn_checkpoint_pp;
dbenv->txn_recover = __txn_recover_pp;
dbenv->txn_stat = __txn_stat_pp;
dbenv->txn_stat_print = __txn_stat_print_pp;
/* DB_ENV PUBLIC HANDLE LIST END */
/* DB_ENV PRIVATE HANDLE LIST BEGIN */
dbenv->prdbt = __db_prdbt;
/* DB_ENV PRIVATE HANDLE LIST END */
__os_id(NULL, &dbenv->pid_cache, NULL);
dbenv->thread_id = __os_id;
dbenv->thread_id_string = __env_thread_id_string;
dbenv->db_ref = 0;
dbenv->shm_key = INVALID_REGION_SEGID;
__lock_dbenv_create(dbenv); /* Subsystem specific. */
__log_dbenv_create(dbenv);
__memp_dbenv_create(dbenv);
__txn_dbenv_create(dbenv);
#ifdef HAVE_RPC
/*
* RPC specific: must be last, as we replace methods set by the
* access methods.
*/
if (F_ISSET(dbenv, DB_ENV_RPCCLIENT)) {
__dbcl_dbenv_init(dbenv);
/*
* !!!
* We wrap the DB_ENV->open and close methods for RPC, and
* the rpc.src file can't handle that.
*/
dbenv->open = __dbcl_env_open_wrap;
dbenv->close = __dbcl_env_close_wrap;
}
#endif
return (0);
}
/*
* __env_err --
* Error message, including the standard error string.
*/
static void
#ifdef STDC_HEADERS
__env_err(const DB_ENV *dbenv, int error, const char *fmt, ...)
#else
__env_err(dbenv, error, fmt, va_alist)
const DB_ENV *dbenv;
int error;
const char *fmt;
va_dcl
#endif
{
DB_REAL_ERR(dbenv, error, 1, 1, fmt);
}
/*
* __env_errx --
* Error message.
*/
static void
#ifdef STDC_HEADERS
__env_errx(const DB_ENV *dbenv, const char *fmt, ...)
#else
__env_errx(dbenv, fmt, va_alist)
const DB_ENV *dbenv;
const char *fmt;
va_dcl
#endif
{
DB_REAL_ERR(dbenv, 0, 0, 1, fmt);
}
static int
__env_get_home(dbenv, homep)
DB_ENV *dbenv;
const char **homep;
{
ENV_ILLEGAL_BEFORE_OPEN(dbenv, "DB_ENV->get_home");
*homep = dbenv->db_home;
return (0);
}
/*
* __env_set_alloc --
* {DB_ENV,DB}->set_alloc.
*
* PUBLIC: int __env_set_alloc __P((DB_ENV *, void *(*)(size_t),
* PUBLIC: void *(*)(void *, size_t), void (*)(void *)));
*/
int
__env_set_alloc(dbenv, mal_func, real_func, free_func)
DB_ENV *dbenv;
void *(*mal_func) __P((size_t));
void *(*real_func) __P((void *, size_t));
void (*free_func) __P((void *));
{
ENV_ILLEGAL_AFTER_OPEN(dbenv, "DB_ENV->set_alloc");
dbenv->db_malloc = mal_func;
dbenv->db_realloc = real_func;
dbenv->db_free = free_func;
return (0);
}
/*
* __env_set_app_dispatch --
* Set the transaction abort recover function.
*/
static int
__env_set_app_dispatch(dbenv, app_dispatch)
DB_ENV *dbenv;
int (*app_dispatch) __P((DB_ENV *, DBT *, DB_LSN *, db_recops));
{
ENV_ILLEGAL_AFTER_OPEN(dbenv, "DB_ENV->set_app_dispatch");
dbenv->app_dispatch = app_dispatch;
return (0);
}
/*
* __env_get_encrypt_flags --
* {DB_ENV,DB}->get_encrypt_flags.
*
* PUBLIC: int __env_get_encrypt_flags __P((DB_ENV *, u_int32_t *));
*/
int
__env_get_encrypt_flags(dbenv, flagsp)
DB_ENV *dbenv;
u_int32_t *flagsp;
{
#ifdef HAVE_CRYPTO
DB_CIPHER *db_cipher;
db_cipher = dbenv->crypto_handle;
if (db_cipher != NULL && db_cipher->alg == CIPHER_AES)
*flagsp = DB_ENCRYPT_AES;
else
*flagsp = 0;
return (0);
#else
COMPQUIET(flagsp, 0);
__db_err(dbenv,
"library build did not include support for cryptography");
return (DB_OPNOTSUP);
#endif
}
/*
* __env_set_encrypt --
* DB_ENV->set_encrypt.
*
* PUBLIC: int __env_set_encrypt __P((DB_ENV *, const char *, u_int32_t));
*/
int
__env_set_encrypt(dbenv, passwd, flags)
DB_ENV *dbenv;
const char *passwd;
u_int32_t flags;
{
#ifdef HAVE_CRYPTO
DB_CIPHER *db_cipher;
int ret;
ENV_ILLEGAL_AFTER_OPEN(dbenv, "DB_ENV->set_encrypt");
#define OK_CRYPTO_FLAGS (DB_ENCRYPT_AES)
if (flags != 0 && LF_ISSET(~OK_CRYPTO_FLAGS))
return (__db_ferr(dbenv, "DB_ENV->set_encrypt", 0));
if (passwd == NULL || strlen(passwd) == 0) {
__db_err(dbenv, "Empty password specified to set_encrypt");
return (EINVAL);
}
if (!CRYPTO_ON(dbenv)) {
if ((ret = __os_calloc(dbenv, 1, sizeof(DB_CIPHER), &db_cipher))
!= 0)
goto err;
dbenv->crypto_handle = db_cipher;
} else
db_cipher = (DB_CIPHER *)dbenv->crypto_handle;
if (dbenv->passwd != NULL)
__os_free(dbenv, dbenv->passwd);
if ((ret = __os_strdup(dbenv, passwd, &dbenv->passwd)) != 0) {
__os_free(dbenv, db_cipher);
goto err;
}
/*
* We're going to need this often enough to keep around
*/
dbenv->passwd_len = strlen(dbenv->passwd) + 1;
/*
* The MAC key is for checksumming, and is separate from
* the algorithm. So initialize it here, even if they
* are using CIPHER_ANY.
*/
__db_derive_mac((u_int8_t *)dbenv->passwd,
dbenv->passwd_len, db_cipher->mac_key);
switch (flags) {
case 0:
F_SET(db_cipher, CIPHER_ANY);
break;
case DB_ENCRYPT_AES:
if ((ret = __crypto_algsetup(dbenv, db_cipher, CIPHER_AES, 0))
!= 0)
goto err1;
break;
default: /* Impossible. */
break;
}
return (0);
err1:
__os_free(dbenv, dbenv->passwd);
__os_free(dbenv, db_cipher);
dbenv->crypto_handle = NULL;
err:
return (ret);
#else
COMPQUIET(passwd, NULL);
COMPQUIET(flags, 0);
__db_err(dbenv,
"library build did not include support for cryptography");
return (DB_OPNOTSUP);
#endif
}
static void
__env_map_flags(dbenv, inflagsp, outflagsp)
DB_ENV *dbenv;
u_int32_t *inflagsp, *outflagsp;
{
COMPQUIET(dbenv, NULL);
if (FLD_ISSET(*inflagsp, DB_AUTO_COMMIT)) {
FLD_SET(*outflagsp, DB_ENV_AUTO_COMMIT);
FLD_CLR(*inflagsp, DB_AUTO_COMMIT);
}
if (FLD_ISSET(*inflagsp, DB_CDB_ALLDB)) {
FLD_SET(*outflagsp, DB_ENV_CDB_ALLDB);
FLD_CLR(*inflagsp, DB_CDB_ALLDB);
}
if (FLD_ISSET(*inflagsp, DB_DIRECT_DB)) {
FLD_SET(*outflagsp, DB_ENV_DIRECT_DB);
FLD_CLR(*inflagsp, DB_DIRECT_DB);
}
if (FLD_ISSET(*inflagsp, DB_DIRECT_LOG)) {
FLD_SET(*outflagsp, DB_ENV_DIRECT_LOG);
FLD_CLR(*inflagsp, DB_DIRECT_LOG);
}
if (FLD_ISSET(*inflagsp, DB_DSYNC_DB)) {
FLD_SET(*outflagsp, DB_ENV_DSYNC_DB);
FLD_CLR(*inflagsp, DB_DSYNC_DB);
}
if (FLD_ISSET(*inflagsp, DB_DSYNC_LOG)) {
FLD_SET(*outflagsp, DB_ENV_DSYNC_LOG);
FLD_CLR(*inflagsp, DB_DSYNC_LOG);
}
if (FLD_ISSET(*inflagsp, DB_LOG_AUTOREMOVE)) {
FLD_SET(*outflagsp, DB_ENV_LOG_AUTOREMOVE);
FLD_CLR(*inflagsp, DB_LOG_AUTOREMOVE);
}
if (FLD_ISSET(*inflagsp, DB_LOG_INMEMORY)) {
FLD_SET(*outflagsp, DB_ENV_LOG_INMEMORY);
FLD_CLR(*inflagsp, DB_LOG_INMEMORY);
}
if (FLD_ISSET(*inflagsp, DB_NOLOCKING)) {
FLD_SET(*outflagsp, DB_ENV_NOLOCKING);
FLD_CLR(*inflagsp, DB_NOLOCKING);
}
if (FLD_ISSET(*inflagsp, DB_NOMMAP)) {
FLD_SET(*outflagsp, DB_ENV_NOMMAP);
FLD_CLR(*inflagsp, DB_NOMMAP);
}
if (FLD_ISSET(*inflagsp, DB_NOPANIC)) {
FLD_SET(*outflagsp, DB_ENV_NOPANIC);
FLD_CLR(*inflagsp, DB_NOPANIC);
}
if (FLD_ISSET(*inflagsp, DB_OVERWRITE)) {
FLD_SET(*outflagsp, DB_ENV_OVERWRITE);
FLD_CLR(*inflagsp, DB_OVERWRITE);
}
if (FLD_ISSET(*inflagsp, DB_REGION_INIT)) {
FLD_SET(*outflagsp, DB_ENV_REGION_INIT);
FLD_CLR(*inflagsp, DB_REGION_INIT);
}
if (FLD_ISSET(*inflagsp, DB_TIME_NOTGRANTED)) {
FLD_SET(*outflagsp, DB_ENV_TIME_NOTGRANTED);
FLD_CLR(*inflagsp, DB_TIME_NOTGRANTED);
}
if (FLD_ISSET(*inflagsp, DB_TXN_NOSYNC)) {
FLD_SET(*outflagsp, DB_ENV_TXN_NOSYNC);
FLD_CLR(*inflagsp, DB_TXN_NOSYNC);
}
if (FLD_ISSET(*inflagsp, DB_TXN_WRITE_NOSYNC)) {
FLD_SET(*outflagsp, DB_ENV_TXN_WRITE_NOSYNC);
FLD_CLR(*inflagsp, DB_TXN_WRITE_NOSYNC);
}
if (FLD_ISSET(*inflagsp, DB_YIELDCPU)) {
FLD_SET(*outflagsp, DB_ENV_YIELDCPU);
FLD_CLR(*inflagsp, DB_YIELDCPU);
}
}
static int
__env_get_flags(dbenv, flagsp)
DB_ENV *dbenv;
u_int32_t *flagsp;
{
static const u_int32_t env_flags[] = {
DB_AUTO_COMMIT,
DB_CDB_ALLDB,
DB_DIRECT_DB,
DB_DIRECT_LOG,
DB_DSYNC_DB,
DB_DSYNC_LOG,
DB_LOG_AUTOREMOVE,
DB_LOG_INMEMORY,
DB_NOLOCKING,
DB_NOMMAP,
DB_NOPANIC,
DB_OVERWRITE,
DB_REGION_INIT,
DB_TIME_NOTGRANTED,
DB_TXN_NOSYNC,
DB_TXN_WRITE_NOSYNC,
DB_YIELDCPU,
0
};
u_int32_t f, flags, mapped_flag;
int i;
flags = 0;
for (i = 0; (f = env_flags[i]) != 0; i++) {
mapped_flag = 0;
__env_map_flags(dbenv, &f, &mapped_flag);
DB_ASSERT(f == 0);
if (F_ISSET(dbenv, mapped_flag) == mapped_flag)
LF_SET(env_flags[i]);
}
/* Some flags are persisted in the regions. */
if (dbenv->reginfo != NULL &&
((REGENV *)((REGINFO *)dbenv->reginfo)->primary)->panic != 0) {
LF_SET(DB_PANIC_ENVIRONMENT);
}
__log_get_flags(dbenv, &flags);
*flagsp = flags;
return (0);
}
/*
* __env_set_flags --
* DB_ENV->set_flags.
*
* PUBLIC: int __env_set_flags __P((DB_ENV *, u_int32_t, int));
*/
int
__env_set_flags(dbenv, flags, on)
DB_ENV *dbenv;
u_int32_t flags;
int on;
{
u_int32_t mapped_flags;
int ret;
#define OK_FLAGS \
(DB_AUTO_COMMIT | DB_CDB_ALLDB | DB_DIRECT_DB | DB_DIRECT_LOG | \
DB_DSYNC_DB | DB_DSYNC_LOG | DB_LOG_AUTOREMOVE | \
DB_LOG_INMEMORY | DB_NOLOCKING | DB_NOMMAP | DB_NOPANIC | \
DB_OVERWRITE | DB_PANIC_ENVIRONMENT | DB_REGION_INIT | \
DB_TIME_NOTGRANTED | DB_TXN_NOSYNC | DB_TXN_WRITE_NOSYNC | \
DB_YIELDCPU)
if (LF_ISSET(~OK_FLAGS))
return (__db_ferr(dbenv, "DB_ENV->set_flags", 0));
if (on) {
if ((ret = __db_fcchk(dbenv, "DB_ENV->set_flags",
flags, DB_LOG_INMEMORY, DB_TXN_NOSYNC)) != 0)
return (ret);
if ((ret = __db_fcchk(dbenv, "DB_ENV->set_flags",
flags, DB_LOG_INMEMORY, DB_TXN_WRITE_NOSYNC)) != 0)
return (ret);
if ((ret = __db_fcchk(dbenv, "DB_ENV->set_flags",
flags, DB_TXN_NOSYNC, DB_TXN_WRITE_NOSYNC)) != 0)
return (ret);
if (LF_ISSET(DB_DIRECT_DB |
DB_DIRECT_LOG) && __os_have_direct() == 0) {
__db_err(dbenv,
"DB_ENV->set_flags: direct I/O either not configured or not supported");
return (EINVAL);
}
}
if (LF_ISSET(DB_CDB_ALLDB))
ENV_ILLEGAL_AFTER_OPEN(dbenv,
"DB_ENV->set_flags: DB_CDB_ALLDB");
if (LF_ISSET(DB_PANIC_ENVIRONMENT)) {
ENV_ILLEGAL_BEFORE_OPEN(dbenv,
"DB_ENV->set_flags: DB_PANIC_ENVIRONMENT");
if (on) {
__db_err(dbenv, "Environment panic set");
(void)__db_panic(dbenv, EACCES);
} else
__db_panic_set(dbenv, 0);
}
if (LF_ISSET(DB_REGION_INIT))
ENV_ILLEGAL_AFTER_OPEN(dbenv,
"DB_ENV->set_flags: DB_REGION_INIT");
if (LF_ISSET(DB_LOG_INMEMORY))
ENV_ILLEGAL_AFTER_OPEN(dbenv,
"DB_ENV->set_flags: DB_LOG_INMEMORY");
/*
* DB_LOG_INMEMORY, DB_TXN_NOSYNC and DB_TXN_WRITE_NOSYNC are
* mutually incompatible. If we're setting one of them, clear all
* current settings.
*/
if (LF_ISSET(
DB_LOG_INMEMORY | DB_TXN_NOSYNC | DB_TXN_WRITE_NOSYNC))
F_CLR(dbenv,
DB_ENV_LOG_INMEMORY |
DB_ENV_TXN_NOSYNC | DB_ENV_TXN_WRITE_NOSYNC);
/* Some flags are persisted in the regions. */
__log_set_flags(dbenv, flags, on);
mapped_flags = 0;
__env_map_flags(dbenv, &flags, &mapped_flags);
if (on)
F_SET(dbenv, mapped_flags);
else
F_CLR(dbenv, mapped_flags);
return (0);
}
static int
__env_get_data_dirs(dbenv, dirpp)
DB_ENV *dbenv;
const char ***dirpp;
{
*dirpp = (const char **)dbenv->db_data_dir;
return (0);
}
/*
* __env_set_data_dir --
* DB_ENV->set_data_dir.
*
* PUBLIC: int __env_set_data_dir __P((DB_ENV *, const char *));
*/
int
__env_set_data_dir(dbenv, dir)
DB_ENV *dbenv;
const char *dir;
{
int ret;
/*
* The array is NULL-terminated so it can be returned by get_data_dirs
* without a length.
*/
#define DATA_INIT_CNT 20 /* Start with 20 data slots. */
if (dbenv->db_data_dir == NULL) {
if ((ret = __os_calloc(dbenv, DATA_INIT_CNT,
sizeof(char **), &dbenv->db_data_dir)) != 0)
return (ret);
dbenv->data_cnt = DATA_INIT_CNT;
} else if (dbenv->data_next == dbenv->data_cnt - 2) {
dbenv->data_cnt *= 2;
if ((ret = __os_realloc(dbenv,
(u_int)dbenv->data_cnt * sizeof(char **),
&dbenv->db_data_dir)) != 0)
return (ret);
}
ret = __os_strdup(dbenv,
dir, &dbenv->db_data_dir[dbenv->data_next++]);
dbenv->db_data_dir[dbenv->data_next] = NULL;
return (ret);
}
/*
* __env_set_intermediate_dir --
* DB_ENV->set_intermediate_dir.
*
* !!!
* Undocumented routine allowing applications to configure Berkeley DB to
* create intermediate directories.
*
* PUBLIC: int __env_set_intermediate_dir __P((DB_ENV *, int, u_int32_t));
*/
int
__env_set_intermediate_dir(dbenv, mode, flags)
DB_ENV *dbenv;
int mode;
u_int32_t flags;
{
if (flags != 0)
return (__db_ferr(dbenv, "DB_ENV->set_intermediate_dir", 0));
if (mode == 0) {
__db_err(dbenv,
"DB_ENV->set_intermediate_dir: mode may not be set to 0");
return (EINVAL);
}
dbenv->dir_mode = mode;
return (0);
}
/*
* __env_set_errcall --
* {DB_ENV,DB}->set_errcall.
*
* PUBLIC: void __env_set_errcall __P((DB_ENV *,
* PUBLIC: void (*)(const DB_ENV *, const char *, const char *)));
*/
void
__env_set_errcall(dbenv, errcall)
DB_ENV *dbenv;
void (*errcall) __P((const DB_ENV *, const char *, const char *));
{
dbenv->db_errcall = errcall;
}
/*
* __env_get_errfile --
* {DB_ENV,DB}->get_errfile.
*
* PUBLIC: void __env_get_errfile __P((DB_ENV *, FILE **));
*/
void
__env_get_errfile(dbenv, errfilep)
DB_ENV *dbenv;
FILE **errfilep;
{
*errfilep = dbenv->db_errfile;
}
/*
* __env_set_errfile --
* {DB_ENV,DB}->set_errfile.
*
* PUBLIC: void __env_set_errfile __P((DB_ENV *, FILE *));
*/
void
__env_set_errfile(dbenv, errfile)
DB_ENV *dbenv;
FILE *errfile;
{
dbenv->db_errfile = errfile;
}
/*
* __env_get_errpfx --
* {DB_ENV,DB}->get_errpfx.
*
* PUBLIC: void __env_get_errpfx __P((DB_ENV *, const char **));
*/
void
__env_get_errpfx(dbenv, errpfxp)
DB_ENV *dbenv;
const char **errpfxp;
{
*errpfxp = dbenv->db_errpfx;
}
/*
* __env_set_errpfx --
* {DB_ENV,DB}->set_errpfx.
*
* PUBLIC: void __env_set_errpfx __P((DB_ENV *, const char *));
*/
void
__env_set_errpfx(dbenv, errpfx)
DB_ENV *dbenv;
const char *errpfx;
{
dbenv->db_errpfx = errpfx;
}
static int
__env_set_feedback(dbenv, feedback)
DB_ENV *dbenv;
void (*feedback) __P((DB_ENV *, int, int));
{
dbenv->db_feedback = feedback;
return (0);
}
/*
* __env_set_thread_id --
* DB_ENV->set_thread_id
*/
static int
__env_set_thread_id(dbenv, id)
DB_ENV *dbenv;
void (*id) __P((DB_ENV *, pid_t *, db_threadid_t *));
{
dbenv->thread_id = id;
return (0);
}
/*
* __env_set_threadid_string --
* DB_ENV->set_threadid_string
*/
static int
__env_set_thread_id_string(dbenv, thread_id_string)
DB_ENV *dbenv;
char *(*thread_id_string) __P((DB_ENV *, pid_t, db_threadid_t, char *));
{
dbenv->thread_id_string = thread_id_string;
return (0);
}
/*
* __env_set_isalive --
* DB_ENV->set_isalive
*/
static int
__env_set_isalive(dbenv, is_alive)
DB_ENV *dbenv;
int (*is_alive) __P((DB_ENV *, pid_t, db_threadid_t));
{
if (F_ISSET((dbenv), DB_ENV_OPEN_CALLED) &&
dbenv->thr_nbucket == 0) {
__db_err(dbenv,
"is_alive method specified but no thread region allocated");
return (EINVAL);
}
dbenv->is_alive = is_alive;
return (0);
}
/*
* __env_set_thread_count --
* DB_ENV->set_thread_count
*/
static int
__env_set_thread_count(dbenv, count)
DB_ENV *dbenv;
u_int32_t count;
{
ENV_ILLEGAL_AFTER_OPEN(dbenv, "DB_ENV->set_thread_count");
dbenv->thr_max = count;
/*
* Set the number of buckets to be 1/8th the number of
* proposed threads control blocks. This is rather
* arbitrary.
*/
dbenv->thr_nbucket = count / 8;
return (0);
}
/*
* __env_set_msgcall --
* {DB_ENV,DB}->set_msgcall.
*
* PUBLIC: void __env_set_msgcall
* PUBLIC: __P((DB_ENV *, void (*)(const DB_ENV *, const char *)));
*/
void
__env_set_msgcall(dbenv, msgcall)
DB_ENV *dbenv;
void (*msgcall) __P((const DB_ENV *, const char *));
{
dbenv->db_msgcall = msgcall;
}
/*
* __env_get_msgfile --
* {DB_ENV,DB}->get_msgfile.
*
* PUBLIC: void __env_get_msgfile __P((DB_ENV *, FILE **));
*/
void
__env_get_msgfile(dbenv, msgfilep)
DB_ENV *dbenv;
FILE **msgfilep;
{
*msgfilep = dbenv->db_msgfile;
}
/*
* __env_set_msgfile --
* {DB_ENV,DB}->set_msgfile.
*
* PUBLIC: void __env_set_msgfile __P((DB_ENV *, FILE *));
*/
void
__env_set_msgfile(dbenv, msgfile)
DB_ENV *dbenv;
FILE *msgfile;
{
dbenv->db_msgfile = msgfile;
}
/*
* __env_set_paniccall --
* {DB_ENV,DB}->set_paniccall.
*
* PUBLIC: int __env_set_paniccall __P((DB_ENV *, void (*)(DB_ENV *, int)));
*/
int
__env_set_paniccall(dbenv, paniccall)
DB_ENV *dbenv;
void (*paniccall) __P((DB_ENV *, int));
{
dbenv->db_paniccall = paniccall;
return (0);
}
static int
__env_get_shm_key(dbenv, shm_keyp)
DB_ENV *dbenv;
long *shm_keyp; /* !!!: really a key_t *. */
{
*shm_keyp = dbenv->shm_key;
return (0);
}
/*
* __env_set_shm_key --
* DB_ENV->set_shm_key.
*
* PUBLIC: int __env_set_shm_key __P((DB_ENV *, long));
*/
int
__env_set_shm_key(dbenv, shm_key)
DB_ENV *dbenv;
long shm_key; /* !!!: really a key_t. */
{
ENV_ILLEGAL_AFTER_OPEN(dbenv, "DB_ENV->set_shm_key");
dbenv->shm_key = shm_key;
return (0);
}
static int
__env_get_tmp_dir(dbenv, dirp)
DB_ENV *dbenv;
const char **dirp;
{
*dirp = dbenv->db_tmp_dir;
return (0);
}
/*
* __env_set_tmp_dir --
* DB_ENV->set_tmp_dir.
*
* PUBLIC: int __env_set_tmp_dir __P((DB_ENV *, const char *));
*/
int
__env_set_tmp_dir(dbenv, dir)
DB_ENV *dbenv;
const char *dir;
{
if (dbenv->db_tmp_dir != NULL)
__os_free(dbenv, dbenv->db_tmp_dir);
return (__os_strdup(dbenv, dir, &dbenv->db_tmp_dir));
}
static int
__env_get_verbose(dbenv, which, onoffp)
DB_ENV *dbenv;
u_int32_t which;
int *onoffp;
{
switch (which) {
case DB_VERB_DEADLOCK:
case DB_VERB_RECOVERY:
case DB_VERB_REGISTER:
case DB_VERB_REPLICATION:
case DB_VERB_WAITSFOR:
*onoffp = FLD_ISSET(dbenv->verbose, which) ? 1 : 0;
break;
default:
return (EINVAL);
}
return (0);
}
/*
* __env_set_verbose --
* DB_ENV->set_verbose.
*
* PUBLIC: int __env_set_verbose __P((DB_ENV *, u_int32_t, int));
*/
int
__env_set_verbose(dbenv, which, on)
DB_ENV *dbenv;
u_int32_t which;
int on;
{
switch (which) {
case DB_VERB_DEADLOCK:
case DB_VERB_RECOVERY:
case DB_VERB_REGISTER:
case DB_VERB_REPLICATION:
case DB_VERB_WAITSFOR:
if (on)
FLD_SET(dbenv->verbose, which);
else
FLD_CLR(dbenv->verbose, which);
break;
default:
return (EINVAL);
}
return (0);
}
/*
* __db_mi_env --
* Method illegally called with public environment.
*
* PUBLIC: int __db_mi_env __P((DB_ENV *, const char *));
*/
int
__db_mi_env(dbenv, name)
DB_ENV *dbenv;
const char *name;
{
__db_err(dbenv, "%s: method not permitted when environment specified",
name);
return (EINVAL);
}
/*
* __db_mi_open --
* Method illegally called after open.
*
* PUBLIC: int __db_mi_open __P((DB_ENV *, const char *, int));
*/
int
__db_mi_open(dbenv, name, after)
DB_ENV *dbenv;
const char *name;
int after;
{
__db_err(dbenv, "%s: method not permitted %s handle's open method",
name, after ? "after" : "before");
return (EINVAL);
}
/*
* __db_env_config --
* Method or function called without required configuration.
*
* PUBLIC: int __db_env_config __P((DB_ENV *, char *, u_int32_t));
*/
int
__db_env_config(dbenv, i, flags)
DB_ENV *dbenv;
char *i;
u_int32_t flags;
{
char *sub;
switch (flags) {
case DB_INIT_LOCK:
sub = "locking";
break;
case DB_INIT_LOG:
sub = "logging";
break;
case DB_INIT_MPOOL:
sub = "memory pool";
break;
case DB_INIT_REP:
sub = "replication";
break;
case DB_INIT_TXN:
sub = "transaction";
break;
default:
sub = "<unspecified>";
break;
}
__db_err(dbenv,
"%s interface requires an environment configured for the %s subsystem",
i, sub);
return (EINVAL);
}
static int
__env_set_rpc_server(dbenv, cl, host, tsec, ssec, flags)
DB_ENV *dbenv;
void *cl;
const char *host;
long tsec, ssec;
u_int32_t flags;
{
COMPQUIET(host, NULL);
COMPQUIET(cl, NULL);
COMPQUIET(tsec, 0);
COMPQUIET(ssec, 0);
COMPQUIET(flags, 0);
__db_err(dbenv, "Berkeley DB was not configured for RPC support");
return (DB_OPNOTSUP);
}
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