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|
package BerkeleyDB;
# Copyright (c) 1997-2010 Paul Marquess. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
#
# The documentation for this module is at the bottom of this file,
# after the line __END__.
BEGIN { require 5.005 }
use strict;
use Carp;
use vars qw($VERSION @ISA @EXPORT $AUTOLOAD
$use_XSLoader);
$VERSION = '0.41';
require Exporter;
#require DynaLoader;
require AutoLoader;
BEGIN {
$use_XSLoader = 1 ;
{ local $SIG{__DIE__} ; eval { require XSLoader } ; }
if ($@) {
$use_XSLoader = 0 ;
require DynaLoader;
@ISA = qw(DynaLoader);
}
}
@ISA = qw(Exporter DynaLoader);
# Items to export into callers namespace by default. Note: do not export
# names by default without a very good reason. Use EXPORT_OK instead.
# Do not simply export all your public functions/methods/constants.
# NOTE -- Do not add to @EXPORT directly. It is written by mkconsts
@EXPORT = qw(
DB_AFTER
DB_AGGRESSIVE
DB_ALREADY_ABORTED
DB_APPEND
DB_APPLY_LOGREG
DB_APP_INIT
DB_ARCH_ABS
DB_ARCH_DATA
DB_ARCH_LOG
DB_ARCH_REMOVE
DB_ASSOC_IMMUTABLE_KEY
DB_AUTO_COMMIT
DB_BEFORE
DB_BTREE
DB_BTREEMAGIC
DB_BTREEOLDVER
DB_BTREEVERSION
DB_BUFFER_SMALL
DB_CACHED_COUNTS
DB_CDB_ALLDB
DB_CHECKPOINT
DB_CHKSUM
DB_CHKSUM_SHA1
DB_CKP_INTERNAL
DB_CLIENT
DB_CL_WRITER
DB_COMMIT
DB_COMPACT_FLAGS
DB_CONSUME
DB_CONSUME_WAIT
DB_CREATE
DB_CURLSN
DB_CURRENT
DB_CURSOR_BULK
DB_CURSOR_TRANSIENT
DB_CXX_NO_EXCEPTIONS
DB_DEGREE_2
DB_DELETED
DB_DELIMITER
DB_DIRECT
DB_DIRECT_DB
DB_DIRECT_LOG
DB_DIRTY_READ
DB_DONOTINDEX
DB_DSYNC_DB
DB_DSYNC_LOG
DB_DUP
DB_DUPCURSOR
DB_DUPSORT
DB_DURABLE_UNKNOWN
DB_EID_BROADCAST
DB_EID_INVALID
DB_ENCRYPT
DB_ENCRYPT_AES
DB_ENV_APPINIT
DB_ENV_AUTO_COMMIT
DB_ENV_CDB
DB_ENV_CDB_ALLDB
DB_ENV_CREATE
DB_ENV_DBLOCAL
DB_ENV_DIRECT_DB
DB_ENV_DIRECT_LOG
DB_ENV_DSYNC_DB
DB_ENV_DSYNC_LOG
DB_ENV_FAILCHK
DB_ENV_FATAL
DB_ENV_LOCKDOWN
DB_ENV_LOCKING
DB_ENV_LOGGING
DB_ENV_LOG_AUTOREMOVE
DB_ENV_LOG_INMEMORY
DB_ENV_MULTIVERSION
DB_ENV_NOLOCKING
DB_ENV_NOMMAP
DB_ENV_NOPANIC
DB_ENV_NO_OUTPUT_SET
DB_ENV_OPEN_CALLED
DB_ENV_OVERWRITE
DB_ENV_PANIC_OK
DB_ENV_PRIVATE
DB_ENV_RECOVER_FATAL
DB_ENV_REF_COUNTED
DB_ENV_REGION_INIT
DB_ENV_REP_CLIENT
DB_ENV_REP_LOGSONLY
DB_ENV_REP_MASTER
DB_ENV_RPCCLIENT
DB_ENV_RPCCLIENT_GIVEN
DB_ENV_STANDALONE
DB_ENV_SYSTEM_MEM
DB_ENV_THREAD
DB_ENV_TIME_NOTGRANTED
DB_ENV_TXN
DB_ENV_TXN_NOSYNC
DB_ENV_TXN_NOT_DURABLE
DB_ENV_TXN_NOWAIT
DB_ENV_TXN_SNAPSHOT
DB_ENV_TXN_WRITE_NOSYNC
DB_ENV_USER_ALLOC
DB_ENV_YIELDCPU
DB_EVENT_NOT_HANDLED
DB_EVENT_NO_SUCH_EVENT
DB_EVENT_PANIC
DB_EVENT_REG_ALIVE
DB_EVENT_REG_PANIC
DB_EVENT_REP_CLIENT
DB_EVENT_REP_ELECTED
DB_EVENT_REP_MASTER
DB_EVENT_REP_NEWMASTER
DB_EVENT_REP_PERM_FAILED
DB_EVENT_REP_STARTUPDONE
DB_EVENT_WRITE_FAILED
DB_EXCL
DB_EXTENT
DB_FAILCHK
DB_FAST_STAT
DB_FCNTL_LOCKING
DB_FILEOPEN
DB_FILE_ID_LEN
DB_FIRST
DB_FIXEDLEN
DB_FLUSH
DB_FORCE
DB_FOREIGN_ABORT
DB_FOREIGN_CASCADE
DB_FOREIGN_CONFLICT
DB_FOREIGN_NULLIFY
DB_FREELIST_ONLY
DB_FREE_SPACE
DB_GETREC
DB_GET_BOTH
DB_GET_BOTHC
DB_GET_BOTH_LTE
DB_GET_BOTH_RANGE
DB_GET_RECNO
DB_GID_SIZE
DB_HANDLE_LOCK
DB_HASH
DB_HASHMAGIC
DB_HASHOLDVER
DB_HASHVERSION
DB_IGNORE_LEASE
DB_IMMUTABLE_KEY
DB_INCOMPLETE
DB_INIT_CDB
DB_INIT_LOCK
DB_INIT_LOG
DB_INIT_MPOOL
DB_INIT_REP
DB_INIT_TXN
DB_INORDER
DB_JAVA_CALLBACK
DB_JOINENV
DB_JOIN_ITEM
DB_JOIN_NOSORT
DB_KEYEMPTY
DB_KEYEXIST
DB_KEYFIRST
DB_KEYLAST
DB_LAST
DB_LOCKDOWN
DB_LOCKMAGIC
DB_LOCKVERSION
DB_LOCK_ABORT
DB_LOCK_CONFLICT
DB_LOCK_DEADLOCK
DB_LOCK_DEFAULT
DB_LOCK_DUMP
DB_LOCK_EXPIRE
DB_LOCK_FREE_LOCKER
DB_LOCK_GET
DB_LOCK_GET_TIMEOUT
DB_LOCK_INHERIT
DB_LOCK_MAXLOCKS
DB_LOCK_MAXWRITE
DB_LOCK_MINLOCKS
DB_LOCK_MINWRITE
DB_LOCK_NORUN
DB_LOCK_NOTEXIST
DB_LOCK_NOTGRANTED
DB_LOCK_NOTHELD
DB_LOCK_NOWAIT
DB_LOCK_OLDEST
DB_LOCK_PUT
DB_LOCK_PUT_ALL
DB_LOCK_PUT_OBJ
DB_LOCK_PUT_READ
DB_LOCK_RANDOM
DB_LOCK_RECORD
DB_LOCK_REMOVE
DB_LOCK_RIW_N
DB_LOCK_RW_N
DB_LOCK_SET_TIMEOUT
DB_LOCK_SWITCH
DB_LOCK_TIMEOUT
DB_LOCK_TRADE
DB_LOCK_UPGRADE
DB_LOCK_UPGRADE_WRITE
DB_LOCK_YOUNGEST
DB_LOGCHKSUM
DB_LOGC_BUF_SIZE
DB_LOGFILEID_INVALID
DB_LOGMAGIC
DB_LOGOLDVER
DB_LOGVERSION
DB_LOGVERSION_LATCHING
DB_LOG_AUTOREMOVE
DB_LOG_AUTO_REMOVE
DB_LOG_BUFFER_FULL
DB_LOG_CHKPNT
DB_LOG_COMMIT
DB_LOG_DIRECT
DB_LOG_DISK
DB_LOG_DSYNC
DB_LOG_INMEMORY
DB_LOG_IN_MEMORY
DB_LOG_LOCKED
DB_LOG_NOCOPY
DB_LOG_NOT_DURABLE
DB_LOG_PERM
DB_LOG_RESEND
DB_LOG_SILENT_ERR
DB_LOG_WRNOSYNC
DB_LOG_ZERO
DB_MAX_PAGES
DB_MAX_RECORDS
DB_MPOOL_CLEAN
DB_MPOOL_CREATE
DB_MPOOL_DIRTY
DB_MPOOL_DISCARD
DB_MPOOL_EDIT
DB_MPOOL_EXTENT
DB_MPOOL_FREE
DB_MPOOL_LAST
DB_MPOOL_NEW
DB_MPOOL_NEW_GROUP
DB_MPOOL_NOFILE
DB_MPOOL_NOLOCK
DB_MPOOL_PRIVATE
DB_MPOOL_TRY
DB_MPOOL_UNLINK
DB_MULTIPLE
DB_MULTIPLE_KEY
DB_MULTIVERSION
DB_MUTEXDEBUG
DB_MUTEXLOCKS
DB_MUTEX_ALLOCATED
DB_MUTEX_LOCKED
DB_MUTEX_LOGICAL_LOCK
DB_MUTEX_PROCESS_ONLY
DB_MUTEX_SELF_BLOCK
DB_MUTEX_SHARED
DB_MUTEX_THREAD
DB_NEEDSPLIT
DB_NEXT
DB_NEXT_DUP
DB_NEXT_NODUP
DB_NOCOPY
DB_NODUPDATA
DB_NOLOCKING
DB_NOMMAP
DB_NOORDERCHK
DB_NOOVERWRITE
DB_NOPANIC
DB_NORECURSE
DB_NOSERVER
DB_NOSERVER_HOME
DB_NOSERVER_ID
DB_NOSYNC
DB_NOTFOUND
DB_NO_AUTO_COMMIT
DB_ODDFILESIZE
DB_OK_BTREE
DB_OK_HASH
DB_OK_QUEUE
DB_OK_RECNO
DB_OLD_VERSION
DB_OPEN_CALLED
DB_OPFLAGS_MASK
DB_ORDERCHKONLY
DB_OVERWRITE
DB_OVERWRITE_DUP
DB_PAD
DB_PAGEYIELD
DB_PAGE_LOCK
DB_PAGE_NOTFOUND
DB_PANIC_ENVIRONMENT
DB_PERMANENT
DB_POSITION
DB_POSITIONI
DB_PREV
DB_PREV_DUP
DB_PREV_NODUP
DB_PRINTABLE
DB_PRIORITY_DEFAULT
DB_PRIORITY_HIGH
DB_PRIORITY_LOW
DB_PRIORITY_UNCHANGED
DB_PRIORITY_VERY_HIGH
DB_PRIORITY_VERY_LOW
DB_PRIVATE
DB_PR_HEADERS
DB_PR_PAGE
DB_PR_RECOVERYTEST
DB_QAMMAGIC
DB_QAMOLDVER
DB_QAMVERSION
DB_QUEUE
DB_RDONLY
DB_RDWRMASTER
DB_READ_COMMITTED
DB_READ_UNCOMMITTED
DB_RECNO
DB_RECNUM
DB_RECORDCOUNT
DB_RECORD_LOCK
DB_RECOVER
DB_RECOVER_FATAL
DB_REGION_ANON
DB_REGION_INIT
DB_REGION_MAGIC
DB_REGION_NAME
DB_REGISTER
DB_REGISTERED
DB_RENAMEMAGIC
DB_RENUMBER
DB_REPFLAGS_MASK
DB_REPMGR_ACKS_ALL
DB_REPMGR_ACKS_ALL_PEERS
DB_REPMGR_ACKS_NONE
DB_REPMGR_ACKS_ONE
DB_REPMGR_ACKS_ONE_PEER
DB_REPMGR_ACKS_QUORUM
DB_REPMGR_CONF_2SITE_STRICT
DB_REPMGR_CONNECTED
DB_REPMGR_DISCONNECTED
DB_REPMGR_PEER
DB_REP_ACK_TIMEOUT
DB_REP_ANYWHERE
DB_REP_BULKOVF
DB_REP_CHECKPOINT_DELAY
DB_REP_CLIENT
DB_REP_CONF_BULK
DB_REP_CONF_DELAYCLIENT
DB_REP_CONF_INMEM
DB_REP_CONF_LEASE
DB_REP_CONF_NOAUTOINIT
DB_REP_CONF_NOWAIT
DB_REP_CONNECTION_RETRY
DB_REP_CREATE
DB_REP_DEFAULT_PRIORITY
DB_REP_DUPMASTER
DB_REP_EGENCHG
DB_REP_ELECTION
DB_REP_ELECTION_RETRY
DB_REP_ELECTION_TIMEOUT
DB_REP_FULL_ELECTION
DB_REP_FULL_ELECTION_TIMEOUT
DB_REP_HANDLE_DEAD
DB_REP_HEARTBEAT_MONITOR
DB_REP_HEARTBEAT_SEND
DB_REP_HOLDELECTION
DB_REP_IGNORE
DB_REP_ISPERM
DB_REP_JOIN_FAILURE
DB_REP_LEASE_EXPIRED
DB_REP_LEASE_TIMEOUT
DB_REP_LOCKOUT
DB_REP_LOGREADY
DB_REP_LOGSONLY
DB_REP_MASTER
DB_REP_NEWMASTER
DB_REP_NEWSITE
DB_REP_NOBUFFER
DB_REP_NOTPERM
DB_REP_OUTDATED
DB_REP_PAGEDONE
DB_REP_PAGELOCKED
DB_REP_PERMANENT
DB_REP_REREQUEST
DB_REP_STARTUPDONE
DB_REP_UNAVAIL
DB_REVSPLITOFF
DB_RMW
DB_RPCCLIENT
DB_RPC_SERVERPROG
DB_RPC_SERVERVERS
DB_RUNRECOVERY
DB_SALVAGE
DB_SA_SKIPFIRSTKEY
DB_SA_UNKNOWNKEY
DB_SECONDARY_BAD
DB_SEQUENCE_OLDVER
DB_SEQUENCE_VERSION
DB_SEQUENTIAL
DB_SEQ_DEC
DB_SEQ_INC
DB_SEQ_RANGE_SET
DB_SEQ_WRAP
DB_SEQ_WRAPPED
DB_SET
DB_SET_LOCK_TIMEOUT
DB_SET_LTE
DB_SET_RANGE
DB_SET_RECNO
DB_SET_REG_TIMEOUT
DB_SET_TXN_NOW
DB_SET_TXN_TIMEOUT
DB_SHALLOW_DUP
DB_SNAPSHOT
DB_SPARE_FLAG
DB_STAT_ALL
DB_STAT_CLEAR
DB_STAT_LOCK_CONF
DB_STAT_LOCK_LOCKERS
DB_STAT_LOCK_OBJECTS
DB_STAT_LOCK_PARAMS
DB_STAT_MEMP_HASH
DB_STAT_MEMP_NOERROR
DB_STAT_NOERROR
DB_STAT_SUBSYSTEM
DB_ST_DUPOK
DB_ST_DUPSET
DB_ST_DUPSORT
DB_ST_IS_RECNO
DB_ST_OVFL_LEAF
DB_ST_RECNUM
DB_ST_RELEN
DB_ST_TOPLEVEL
DB_SURPRISE_KID
DB_SWAPBYTES
DB_SYSTEM_MEM
DB_TEMPORARY
DB_TEST_ELECTINIT
DB_TEST_ELECTSEND
DB_TEST_ELECTVOTE1
DB_TEST_ELECTVOTE2
DB_TEST_ELECTWAIT1
DB_TEST_ELECTWAIT2
DB_TEST_POSTDESTROY
DB_TEST_POSTLOG
DB_TEST_POSTLOGMETA
DB_TEST_POSTOPEN
DB_TEST_POSTRENAME
DB_TEST_POSTSYNC
DB_TEST_PREDESTROY
DB_TEST_PREOPEN
DB_TEST_PRERENAME
DB_TEST_RECYCLE
DB_TEST_SUBDB_LOCKS
DB_THREAD
DB_THREADID_STRLEN
DB_TIMEOUT
DB_TIME_NOTGRANTED
DB_TRUNCATE
DB_TXNMAGIC
DB_TXNVERSION
DB_TXN_ABORT
DB_TXN_APPLY
DB_TXN_BACKWARD_ROLL
DB_TXN_CKP
DB_TXN_FORWARD_ROLL
DB_TXN_LOCK
DB_TXN_LOCK_2PL
DB_TXN_LOCK_MASK
DB_TXN_LOCK_OPTIMIST
DB_TXN_LOCK_OPTIMISTIC
DB_TXN_LOG_MASK
DB_TXN_LOG_REDO
DB_TXN_LOG_UNDO
DB_TXN_LOG_UNDOREDO
DB_TXN_NOSYNC
DB_TXN_NOT_DURABLE
DB_TXN_NOWAIT
DB_TXN_OPENFILES
DB_TXN_POPENFILES
DB_TXN_PRINT
DB_TXN_REDO
DB_TXN_SNAPSHOT
DB_TXN_SYNC
DB_TXN_UNDO
DB_TXN_WAIT
DB_TXN_WRITE_NOSYNC
DB_UNKNOWN
DB_UNREF
DB_UPDATE_SECONDARY
DB_UPGRADE
DB_USERCOPY_GETDATA
DB_USERCOPY_SETDATA
DB_USE_ENVIRON
DB_USE_ENVIRON_ROOT
DB_VERB_CHKPOINT
DB_VERB_DEADLOCK
DB_VERB_FILEOPS
DB_VERB_FILEOPS_ALL
DB_VERB_RECOVERY
DB_VERB_REGISTER
DB_VERB_REPLICATION
DB_VERB_REPMGR_CONNFAIL
DB_VERB_REPMGR_MISC
DB_VERB_REP_ELECT
DB_VERB_REP_LEASE
DB_VERB_REP_MISC
DB_VERB_REP_MSGS
DB_VERB_REP_SYNC
DB_VERB_REP_TEST
DB_VERB_WAITSFOR
DB_VERIFY
DB_VERIFY_BAD
DB_VERIFY_FATAL
DB_VERIFY_PARTITION
DB_VERSION_MAJOR
DB_VERSION_MINOR
DB_VERSION_MISMATCH
DB_VERSION_PATCH
DB_VERSION_STRING
DB_VRFY_FLAGMASK
DB_WRITECURSOR
DB_WRITELOCK
DB_WRITEOPEN
DB_WRNOSYNC
DB_XA_CREATE
DB_XIDDATASIZE
DB_YIELDCPU
DB_debug_FLAG
DB_user_BEGIN
);
sub AUTOLOAD {
my($constname);
($constname = $AUTOLOAD) =~ s/.*:://;
my ($error, $val) = constant($constname);
Carp::croak $error if $error;
no strict 'refs';
*{$AUTOLOAD} = sub { $val };
goto &{$AUTOLOAD};
}
#bootstrap BerkeleyDB $VERSION;
if ($use_XSLoader)
{ XSLoader::load("BerkeleyDB", $VERSION)}
else
{ bootstrap BerkeleyDB $VERSION }
# Preloaded methods go here.
sub ParseParameters($@)
{
my ($default, @rest) = @_ ;
my (%got) = %$default ;
my (@Bad) ;
my ($key, $value) ;
my $sub = (caller(1))[3] ;
my %options = () ;
local ($Carp::CarpLevel) = 1 ;
# allow the options to be passed as a hash reference or
# as the complete hash.
if (@rest == 1) {
croak "$sub: parameter is not a reference to a hash"
if ref $rest[0] ne "HASH" ;
%options = %{ $rest[0] } ;
}
elsif (@rest >= 2 && @rest % 2 == 0) {
%options = @rest ;
}
elsif (@rest > 0) {
croak "$sub: malformed option list";
}
while (($key, $value) = each %options)
{
$key =~ s/^-// ;
if (exists $default->{$key})
{ $got{$key} = $value }
else
{ push (@Bad, $key) }
}
if (@Bad) {
my ($bad) = join(", ", @Bad) ;
croak "unknown key value(s) $bad" ;
}
return \%got ;
}
sub parseEncrypt
{
my $got = shift ;
if (defined $got->{Encrypt}) {
croak("Encrypt parameter must be a hash reference")
if !ref $got->{Encrypt} || ref $got->{Encrypt} ne 'HASH' ;
my %config = %{ $got->{Encrypt} } ;
my $p = BerkeleyDB::ParseParameters({
Password => undef,
Flags => undef,
}, %config);
croak("Must specify Password and Flags with Encrypt parameter")
if ! (defined $p->{Password} && defined $p->{Flags});
$got->{"Enc_Passwd"} = $p->{Password};
$got->{"Enc_Flags"} = $p->{Flags};
}
}
use UNIVERSAL ;
sub env_remove
{
# Usage:
#
# $env = BerkeleyDB::env_remove
# [ -Home => $path, ]
# [ -Config => { name => value, name => value }
# [ -Flags => DB_INIT_LOCK| ]
# ;
my $got = BerkeleyDB::ParseParameters({
Home => undef,
Flags => 0,
Config => undef,
}, @_) ;
if (defined $got->{Config}) {
croak("Config parameter must be a hash reference")
if ! ref $got->{Config} eq 'HASH' ;
@BerkeleyDB::a = () ;
my $k = "" ; my $v = "" ;
while (($k, $v) = each %{$got->{Config}}) {
push @BerkeleyDB::a, "$k\t$v" ;
}
$got->{"Config"} = pack("p*", @BerkeleyDB::a, undef)
if @BerkeleyDB::a ;
}
return _env_remove($got) ;
}
sub db_remove
{
my $got = BerkeleyDB::ParseParameters(
{
Filename => undef,
Subname => undef,
Flags => 0,
Env => undef,
Txn => undef,
}, @_) ;
croak("Must specify a filename")
if ! defined $got->{Filename} ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
return _db_remove($got);
}
sub db_rename
{
my $got = BerkeleyDB::ParseParameters(
{
Filename => undef,
Subname => undef,
Newname => undef,
Flags => 0,
Env => undef,
Txn => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Must specify a filename")
if ! defined $got->{Filename} ;
#croak("Must specify a Subname")
#if ! defined $got->{Subname} ;
croak("Must specify a Newname")
if ! defined $got->{Newname} ;
return _db_rename($got);
}
sub db_verify
{
my $got = BerkeleyDB::ParseParameters(
{
Filename => undef,
Subname => undef,
Outfile => undef,
Flags => 0,
Env => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Must specify a filename")
if ! defined $got->{Filename} ;
return _db_verify($got);
}
package BerkeleyDB::Env ;
use UNIVERSAL ;
use Carp ;
use IO::File;
use vars qw( %valid_config_keys ) ;
sub isaFilehandle
{
my $fh = shift ;
return ((UNIVERSAL::isa($fh,'GLOB') or UNIVERSAL::isa(\$fh,'GLOB')) and defined fileno($fh) )
}
%valid_config_keys = map { $_, 1 } qw( DB_DATA_DIR DB_LOG_DIR DB_TEMP_DIR
DB_TMP_DIR ) ;
sub new
{
# Usage:
#
# $env = new BerkeleyDB::Env
# [ -Home => $path, ]
# [ -Mode => mode, ]
# [ -Config => { name => value, name => value }
# [ -ErrFile => filename, ]
# [ -ErrPrefix => "string", ]
# [ -Flags => DB_INIT_LOCK| ]
# [ -Set_Flags => $flags,]
# [ -Cachesize => number ]
# [ -LockDetect => ]
# [ -Verbose => boolean ]
# [ -Encrypt => { Password => string, Flags => value}
#
# ;
my $pkg = shift ;
my $got = BerkeleyDB::ParseParameters({
Home => undef,
Server => undef,
Mode => 0666,
ErrFile => undef,
MsgFile => undef,
ErrPrefix => undef,
Flags => 0,
SetFlags => 0,
Cachesize => 0,
LockDetect => 0,
TxMax => 0,
LogConfig => 0,
MaxLockers => 0,
MaxLocks => 0,
MaxObjects => 0,
Verbose => 0,
Config => undef,
Encrypt => undef,
SharedMemKey => undef,
ThreadCount => 0,
}, @_) ;
my $errfile = $got->{ErrFile} ;
if (defined $got->{ErrFile}) {
if (!isaFilehandle($got->{ErrFile})) {
my $handle = new IO::File ">$got->{ErrFile}"
or croak "Cannot open file $got->{ErrFile}: $!\n" ;
$errfile = $got->{ErrFile} = $handle ;
}
}
if (defined $got->{MsgFile}) {
my $msgfile = $got->{MsgFile} ;
if (!isaFilehandle($msgfile)) {
my $handle = new IO::File ">$msgfile"
or croak "Cannot open file $msgfile: $!\n" ;
$got->{MsgFile} = $handle ;
}
}
my %config ;
if (defined $got->{Config}) {
croak("Config parameter must be a hash reference")
if ! ref $got->{Config} eq 'HASH' ;
%config = %{ $got->{Config} } ;
@BerkeleyDB::a = () ;
my $k = "" ; my $v = "" ;
while (($k, $v) = each %config) {
if ($BerkeleyDB::db_version >= 3.1 && ! $valid_config_keys{$k} ){
$BerkeleyDB::Error = "illegal name-value pair: $k $v\n" ;
croak $BerkeleyDB::Error ;
}
push @BerkeleyDB::a, "$k\t$v" ;
$got->{$k} = $v;
}
$got->{"Config"} = pack("p*", @BerkeleyDB::a, undef)
if @BerkeleyDB::a ;
}
BerkeleyDB::parseEncrypt($got);
my ($addr) = _db_appinit($pkg, $got, $errfile);
my $obj ;
$obj = bless [$addr] , $pkg if $addr ;
# if ($obj && $BerkeleyDB::db_version >= 3.1 && keys %config) {
# my ($k, $v);
# while (($k, $v) = each %config) {
# if ($k eq 'DB_DATA_DIR')
# { $obj->set_data_dir($v) }
# elsif ($k eq 'DB_LOG_DIR')
# { $obj->set_lg_dir($v) }
# elsif ($k eq 'DB_TEMP_DIR' || $k eq 'DB_TMP_DIR')
# { $obj->set_tmp_dir($v) }
# else {
# $BerkeleyDB::Error = "illegal name-value pair: $k $v\n" ;
# croak $BerkeleyDB::Error
# }
# }
# }
return $obj ;
}
sub TxnMgr
{
my $env = shift ;
my ($addr) = $env->_TxnMgr() ;
my $obj ;
$obj = bless [$addr, $env] , "BerkeleyDB::TxnMgr" if $addr ;
return $obj ;
}
sub txn_begin
{
my $env = shift ;
my ($addr) = $env->_txn_begin(@_) ;
my $obj ;
$obj = bless [$addr, $env] , "BerkeleyDB::Txn" if $addr ;
return $obj ;
}
sub DESTROY
{
my $self = shift ;
$self->_DESTROY() ;
}
package BerkeleyDB::Hash ;
use vars qw(@ISA) ;
@ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedHash ) ;
use UNIVERSAL ;
use Carp ;
sub new
{
my $self = shift ;
my $got = BerkeleyDB::ParseParameters(
{
# Generic Stuff
Filename => undef,
Subname => undef,
#Flags => BerkeleyDB::DB_CREATE(),
Flags => 0,
Property => 0,
Mode => 0666,
Cachesize => 0,
Lorder => 0,
Pagesize => 0,
Env => undef,
#Tie => undef,
Txn => undef,
Encrypt => undef,
# Hash specific
Ffactor => 0,
Nelem => 0,
Hash => undef,
DupCompare => undef,
# BerkeleyDB specific
ReadKey => undef,
WriteKey => undef,
ReadValue => undef,
WriteValue => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Txn not of type BerkeleyDB::Txn")
if defined $got->{Txn} and ! UNIVERSAL::isa($got->{Txn},'BerkeleyDB::Txn');
croak("-Tie needs a reference to a hash")
if defined $got->{Tie} and $got->{Tie} !~ /HASH/ ;
BerkeleyDB::parseEncrypt($got);
my ($addr) = _db_open_hash($self, $got);
my $obj ;
if ($addr) {
$obj = bless [$addr] , $self ;
push @{ $obj }, $got->{Env} if $got->{Env} ;
$obj->Txn($got->{Txn})
if $got->{Txn} ;
}
return $obj ;
}
*TIEHASH = \&new ;
package BerkeleyDB::Btree ;
use vars qw(@ISA) ;
@ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedHash ) ;
use UNIVERSAL ;
use Carp ;
sub new
{
my $self = shift ;
my $got = BerkeleyDB::ParseParameters(
{
# Generic Stuff
Filename => undef,
Subname => undef,
#Flags => BerkeleyDB::DB_CREATE(),
Flags => 0,
Property => 0,
Mode => 0666,
Cachesize => 0,
Lorder => 0,
Pagesize => 0,
Env => undef,
#Tie => undef,
Txn => undef,
Encrypt => undef,
# Btree specific
Minkey => 0,
Compare => undef,
DupCompare => undef,
Prefix => undef,
set_bt_compress => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Txn not of type BerkeleyDB::Txn")
if defined $got->{Txn} and ! UNIVERSAL::isa($got->{Txn},'BerkeleyDB::Txn');
croak("-Tie needs a reference to a hash")
if defined $got->{Tie} and $got->{Tie} !~ /HASH/ ;
# if (defined $got->{set_bt_compress} )
# {
#
# croak("-set_bt_compress needs a reference to a 2-element array")
# if $got->{set_bt_compress} !~ /ARRAY/ ||
#
# croak("-set_bt_compress needs a reference to a 2-element array")
# if $got->{set_bt_compress} !~ /ARRAY/ ||
# @{ $got->{set_bt_compress} } != 2;
#
# $got->{"_btcompress1"} = $got->{set_bt_compress}[0]
# if defined $got->{set_bt_compress}[0];
#
# $got->{"_btcompress2"} = $got->{set_bt_compress}[1]
# if defined $got->{set_bt_compress}[1];
# }
BerkeleyDB::parseEncrypt($got);
my ($addr) = _db_open_btree($self, $got);
my $obj ;
if ($addr) {
$obj = bless [$addr] , $self ;
push @{ $obj }, $got->{Env} if $got->{Env} ;
$obj->Txn($got->{Txn})
if $got->{Txn} ;
}
return $obj ;
}
*BerkeleyDB::Btree::TIEHASH = \&BerkeleyDB::Btree::new ;
package BerkeleyDB::Recno ;
use vars qw(@ISA) ;
@ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedArray ) ;
use UNIVERSAL ;
use Carp ;
sub new
{
my $self = shift ;
my $got = BerkeleyDB::ParseParameters(
{
# Generic Stuff
Filename => undef,
Subname => undef,
#Flags => BerkeleyDB::DB_CREATE(),
Flags => 0,
Property => 0,
Mode => 0666,
Cachesize => 0,
Lorder => 0,
Pagesize => 0,
Env => undef,
#Tie => undef,
Txn => undef,
Encrypt => undef,
# Recno specific
Delim => undef,
Len => undef,
Pad => undef,
Source => undef,
ArrayBase => 1, # lowest index in array
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Txn not of type BerkeleyDB::Txn")
if defined $got->{Txn} and ! UNIVERSAL::isa($got->{Txn},'BerkeleyDB::Txn');
croak("Tie needs a reference to an array")
if defined $got->{Tie} and $got->{Tie} !~ /ARRAY/ ;
croak("ArrayBase can only be 0 or 1, parsed $got->{ArrayBase}")
if $got->{ArrayBase} != 1 and $got->{ArrayBase} != 0 ;
BerkeleyDB::parseEncrypt($got);
$got->{Fname} = $got->{Filename} if defined $got->{Filename} ;
my ($addr) = _db_open_recno($self, $got);
my $obj ;
if ($addr) {
$obj = bless [$addr] , $self ;
push @{ $obj }, $got->{Env} if $got->{Env} ;
$obj->Txn($got->{Txn})
if $got->{Txn} ;
}
return $obj ;
}
*BerkeleyDB::Recno::TIEARRAY = \&BerkeleyDB::Recno::new ;
*BerkeleyDB::Recno::db_stat = \&BerkeleyDB::Btree::db_stat ;
package BerkeleyDB::Queue ;
use vars qw(@ISA) ;
@ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedArray ) ;
use UNIVERSAL ;
use Carp ;
sub new
{
my $self = shift ;
my $got = BerkeleyDB::ParseParameters(
{
# Generic Stuff
Filename => undef,
Subname => undef,
#Flags => BerkeleyDB::DB_CREATE(),
Flags => 0,
Property => 0,
Mode => 0666,
Cachesize => 0,
Lorder => 0,
Pagesize => 0,
Env => undef,
#Tie => undef,
Txn => undef,
Encrypt => undef,
# Queue specific
Len => undef,
Pad => undef,
ArrayBase => 1, # lowest index in array
ExtentSize => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Txn not of type BerkeleyDB::Txn")
if defined $got->{Txn} and ! UNIVERSAL::isa($got->{Txn},'BerkeleyDB::Txn');
croak("Tie needs a reference to an array")
if defined $got->{Tie} and $got->{Tie} !~ /ARRAY/ ;
croak("ArrayBase can only be 0 or 1, parsed $got->{ArrayBase}")
if $got->{ArrayBase} != 1 and $got->{ArrayBase} != 0 ;
BerkeleyDB::parseEncrypt($got);
$got->{Fname} = $got->{Filename} if defined $got->{Filename} ;
my ($addr) = _db_open_queue($self, $got);
my $obj ;
if ($addr) {
$obj = bless [$addr] , $self ;
push @{ $obj }, $got->{Env} if $got->{Env} ;
$obj->Txn($got->{Txn})
if $got->{Txn} ;
}
return $obj ;
}
*BerkeleyDB::Queue::TIEARRAY = \&BerkeleyDB::Queue::new ;
sub UNSHIFT
{
my $self = shift;
croak "unshift is unsupported with Queue databases";
}
## package BerkeleyDB::Text ;
##
## use vars qw(@ISA) ;
## @ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedArray ) ;
## use UNIVERSAL ;
## use Carp ;
##
## sub new
## {
## my $self = shift ;
## my $got = BerkeleyDB::ParseParameters(
## {
## # Generic Stuff
## Filename => undef,
## #Flags => BerkeleyDB::DB_CREATE(),
## Flags => 0,
## Property => 0,
## Mode => 0666,
## Cachesize => 0,
## Lorder => 0,
## Pagesize => 0,
## Env => undef,
## #Tie => undef,
## Txn => undef,
##
## # Recno specific
## Delim => undef,
## Len => undef,
## Pad => undef,
## Btree => undef,
## }, @_) ;
##
## croak("Env not of type BerkeleyDB::Env")
## if defined $got->{Env} and ! isa($got->{Env},'BerkeleyDB::Env');
##
## croak("Txn not of type BerkeleyDB::Txn")
## if defined $got->{Txn} and ! isa($got->{Txn},'BerkeleyDB::Txn');
##
## croak("-Tie needs a reference to an array")
## if defined $got->{Tie} and $got->{Tie} !~ /ARRAY/ ;
##
## # rearange for recno
## $got->{Source} = $got->{Filename} if defined $got->{Filename} ;
## delete $got->{Filename} ;
## $got->{Fname} = $got->{Btree} if defined $got->{Btree} ;
## return BerkeleyDB::Recno::_db_open_recno($self, $got);
## }
##
## *BerkeleyDB::Text::TIEARRAY = \&BerkeleyDB::Text::new ;
## *BerkeleyDB::Text::db_stat = \&BerkeleyDB::Btree::db_stat ;
package BerkeleyDB::Unknown ;
use vars qw(@ISA) ;
@ISA = qw( BerkeleyDB::Common BerkeleyDB::_tiedArray ) ;
use UNIVERSAL ;
use Carp ;
sub new
{
my $self = shift ;
my $got = BerkeleyDB::ParseParameters(
{
# Generic Stuff
Filename => undef,
Subname => undef,
#Flags => BerkeleyDB::DB_CREATE(),
Flags => 0,
Property => 0,
Mode => 0666,
Cachesize => 0,
Lorder => 0,
Pagesize => 0,
Env => undef,
#Tie => undef,
Txn => undef,
Encrypt => undef,
}, @_) ;
croak("Env not of type BerkeleyDB::Env")
if defined $got->{Env} and ! UNIVERSAL::isa($got->{Env},'BerkeleyDB::Env');
croak("Txn not of type BerkeleyDB::Txn")
if defined $got->{Txn} and ! UNIVERSAL::isa($got->{Txn},'BerkeleyDB::Txn');
croak("-Tie needs a reference to a hash")
if defined $got->{Tie} and $got->{Tie} !~ /HASH/ ;
BerkeleyDB::parseEncrypt($got);
my ($addr, $type) = _db_open_unknown($got);
my $obj ;
if ($addr) {
$obj = bless [$addr], "BerkeleyDB::$type" ;
push @{ $obj }, $got->{Env} if $got->{Env} ;
$obj->Txn($got->{Txn})
if $got->{Txn} ;
}
return $obj ;
}
package BerkeleyDB::_tiedHash ;
use Carp ;
#sub TIEHASH
#{
# my $self = shift ;
# my $db_object = shift ;
#
#print "Tiehash REF=[$self] [" . (ref $self) . "]\n" ;
#
# return bless { Obj => $db_object}, $self ;
#}
sub Tie
{
# Usage:
#
# $db->Tie \%hash ;
#
my $self = shift ;
#print "Tie method REF=[$self] [" . (ref $self) . "]\n" ;
croak("usage \$x->Tie \\%hash\n") unless @_ ;
my $ref = shift ;
croak("Tie needs a reference to a hash")
if defined $ref and $ref !~ /HASH/ ;
#tie %{ $ref }, ref($self), $self ;
tie %{ $ref }, "BerkeleyDB::_tiedHash", $self ;
return undef ;
}
sub TIEHASH
{
my $self = shift ;
my $db_object = shift ;
#return bless $db_object, 'BerkeleyDB::Common' ;
return $db_object ;
}
sub STORE
{
my $self = shift ;
my $key = shift ;
my $value = shift ;
$self->db_put($key, $value) ;
}
sub FETCH
{
my $self = shift ;
my $key = shift ;
my $value = undef ;
$self->db_get($key, $value) ;
return $value ;
}
sub EXISTS
{
my $self = shift ;
my $key = shift ;
my $value = undef ;
$self->db_get($key, $value) == 0 ;
}
sub DELETE
{
my $self = shift ;
my $key = shift ;
$self->db_del($key) ;
}
sub CLEAR
{
my $self = shift ;
my ($key, $value) = (0, 0) ;
my $cursor = $self->_db_write_cursor() ;
while ($cursor->c_get($key, $value, BerkeleyDB::DB_PREV()) == 0)
{ $cursor->c_del() }
}
#sub DESTROY
#{
# my $self = shift ;
# print "BerkeleyDB::_tieHash::DESTROY\n" ;
# $self->{Cursor}->c_close() if $self->{Cursor} ;
#}
package BerkeleyDB::_tiedArray ;
use Carp ;
sub Tie
{
# Usage:
#
# $db->Tie \@array ;
#
my $self = shift ;
#print "Tie method REF=[$self] [" . (ref $self) . "]\n" ;
croak("usage \$x->Tie \\%hash\n") unless @_ ;
my $ref = shift ;
croak("Tie needs a reference to an array")
if defined $ref and $ref !~ /ARRAY/ ;
#tie %{ $ref }, ref($self), $self ;
tie @{ $ref }, "BerkeleyDB::_tiedArray", $self ;
return undef ;
}
#sub TIEARRAY
#{
# my $self = shift ;
# my $db_object = shift ;
#
#print "Tiearray REF=[$self] [" . (ref $self) . "]\n" ;
#
# return bless { Obj => $db_object}, $self ;
#}
sub TIEARRAY
{
my $self = shift ;
my $db_object = shift ;
#return bless $db_object, 'BerkeleyDB::Common' ;
return $db_object ;
}
sub STORE
{
my $self = shift ;
my $key = shift ;
my $value = shift ;
$self->db_put($key, $value) ;
}
sub FETCH
{
my $self = shift ;
my $key = shift ;
my $value = undef ;
$self->db_get($key, $value) ;
return $value ;
}
*CLEAR = \&BerkeleyDB::_tiedHash::CLEAR ;
*FIRSTKEY = \&BerkeleyDB::_tiedHash::FIRSTKEY ;
*NEXTKEY = \&BerkeleyDB::_tiedHash::NEXTKEY ;
sub EXTEND {} # don't do anything with EXTEND
sub SHIFT
{
my $self = shift;
my ($key, $value) = (0, 0) ;
my $cursor = $self->_db_write_cursor() ;
return undef if $cursor->c_get($key, $value, BerkeleyDB::DB_FIRST()) != 0 ;
return undef if $cursor->c_del() != 0 ;
return $value ;
}
sub UNSHIFT
{
my $self = shift;
if (@_)
{
my ($key, $value) = (0, 0) ;
my $cursor = $self->_db_write_cursor() ;
my $status = $cursor->c_get($key, $value, BerkeleyDB::DB_FIRST()) ;
if ($status == 0)
{
foreach $value (reverse @_)
{
$key = 0 ;
$cursor->c_put($key, $value, BerkeleyDB::DB_BEFORE()) ;
}
}
elsif ($status == BerkeleyDB::DB_NOTFOUND())
{
$key = 0 ;
foreach $value (@_)
{
$self->db_put($key++, $value) ;
}
}
}
}
sub PUSH
{
my $self = shift;
if (@_)
{
my ($key, $value) = (-1, 0) ;
my $cursor = $self->_db_write_cursor() ;
my $status = $cursor->c_get($key, $value, BerkeleyDB::DB_LAST()) ;
if ($status == 0 || $status == BerkeleyDB::DB_NOTFOUND())
{
$key = -1 if $status != 0 and $self->type != BerkeleyDB::DB_RECNO() ;
foreach $value (@_)
{
++ $key ;
$status = $self->db_put($key, $value) ;
}
}
# can use this when DB_APPEND is fixed.
# foreach $value (@_)
# {
# my $status = $cursor->c_put($key, $value, BerkeleyDB::DB_AFTER()) ;
#print "[$status]\n" ;
# }
}
}
sub POP
{
my $self = shift;
my ($key, $value) = (0, 0) ;
my $cursor = $self->_db_write_cursor() ;
return undef if $cursor->c_get($key, $value, BerkeleyDB::DB_LAST()) != 0 ;
return undef if $cursor->c_del() != 0 ;
return $value ;
}
sub SPLICE
{
my $self = shift;
croak "SPLICE is not implemented yet" ;
}
*shift = \&SHIFT ;
*unshift = \&UNSHIFT ;
*push = \&PUSH ;
*pop = \&POP ;
*clear = \&CLEAR ;
*length = \&FETCHSIZE ;
sub STORESIZE
{
croak "STORESIZE is not implemented yet" ;
#print "STORESIZE @_\n" ;
# my $self = shift;
# my $length = shift ;
# my $current_length = $self->FETCHSIZE() ;
#print "length is $current_length\n";
#
# if ($length < $current_length) {
#print "Make smaller $length < $current_length\n" ;
# my $key ;
# for ($key = $current_length - 1 ; $key >= $length ; -- $key)
# { $self->db_del($key) }
# }
# elsif ($length > $current_length) {
#print "Make larger $length > $current_length\n" ;
# $self->db_put($length-1, "") ;
# }
# else { print "stay the same\n" }
}
#sub DESTROY
#{
# my $self = shift ;
# print "BerkeleyDB::_tieArray::DESTROY\n" ;
#}
package BerkeleyDB::Common ;
use Carp ;
sub DESTROY
{
my $self = shift ;
$self->_DESTROY() ;
}
sub Txn
{
my $self = shift ;
my $txn = shift ;
#print "BerkeleyDB::Common::Txn db [$self] txn [$txn]\n" ;
if ($txn) {
$self->_Txn($txn) ;
push @{ $txn }, $self ;
}
else {
$self->_Txn() ;
}
#print "end BerkeleyDB::Common::Txn \n";
}
sub get_dup
{
croak "Usage: \$db->get_dup(key [,flag])\n"
unless @_ == 2 or @_ == 3 ;
my $db = shift ;
my $key = shift ;
my $flag = shift ;
my $value = 0 ;
my $origkey = $key ;
my $wantarray = wantarray ;
my %values = () ;
my @values = () ;
my $counter = 0 ;
my $status = 0 ;
my $cursor = $db->db_cursor() ;
# iterate through the database until either EOF ($status == 0)
# or a different key is encountered ($key ne $origkey).
for ($status = $cursor->c_get($key, $value, BerkeleyDB::DB_SET()) ;
$status == 0 and $key eq $origkey ;
$status = $cursor->c_get($key, $value, BerkeleyDB::DB_NEXT()) ) {
# save the value or count number of matches
if ($wantarray) {
if ($flag)
{ ++ $values{$value} }
else
{ push (@values, $value) }
}
else
{ ++ $counter }
}
return ($wantarray ? ($flag ? %values : @values) : $counter) ;
}
sub db_cursor
{
my $db = shift ;
my ($addr) = $db->_db_cursor(@_) ;
my $obj ;
$obj = bless [$addr, $db] , "BerkeleyDB::Cursor" if $addr ;
return $obj ;
}
sub _db_write_cursor
{
my $db = shift ;
my ($addr) = $db->__db_write_cursor(@_) ;
my $obj ;
$obj = bless [$addr, $db] , "BerkeleyDB::Cursor" if $addr ;
return $obj ;
}
sub db_join
{
croak 'Usage: $db->BerkeleyDB::db_join([cursors], flags=0)'
if @_ < 2 || @_ > 3 ;
my $db = shift ;
croak 'db_join: first parameter is not an array reference'
if ! ref $_[0] || ref $_[0] ne 'ARRAY';
my ($addr) = $db->_db_join(@_) ;
my $obj ;
$obj = bless [$addr, $db, $_[0]] , "BerkeleyDB::Cursor" if $addr ;
return $obj ;
}
package BerkeleyDB::Cursor ;
sub c_close
{
my $cursor = shift ;
$cursor->[1] = "" ;
return $cursor->_c_close() ;
}
sub c_dup
{
my $cursor = shift ;
my ($addr) = $cursor->_c_dup(@_) ;
my $obj ;
$obj = bless [$addr, $cursor->[1]] , "BerkeleyDB::Cursor" if $addr ;
return $obj ;
}
sub DESTROY
{
my $self = shift ;
$self->_DESTROY() ;
}
package BerkeleyDB::TxnMgr ;
sub DESTROY
{
my $self = shift ;
$self->_DESTROY() ;
}
sub txn_begin
{
my $txnmgr = shift ;
my ($addr) = $txnmgr->_txn_begin(@_) ;
my $obj ;
$obj = bless [$addr, $txnmgr] , "BerkeleyDB::Txn" if $addr ;
return $obj ;
}
package BerkeleyDB::Txn ;
sub Txn
{
my $self = shift ;
my $db ;
# keep a reference to each db in the txn object
foreach $db (@_) {
$db->_Txn($self) ;
push @{ $self}, $db ;
}
}
sub txn_commit
{
my $self = shift ;
$self->disassociate() ;
my $status = $self->_txn_commit() ;
return $status ;
}
sub txn_abort
{
my $self = shift ;
$self->disassociate() ;
my $status = $self->_txn_abort() ;
return $status ;
}
sub disassociate
{
my $self = shift ;
my $db ;
while ( @{ $self } > 2) {
$db = pop @{ $self } ;
$db->Txn() ;
}
#print "end disassociate\n" ;
}
sub DESTROY
{
my $self = shift ;
$self->disassociate() ;
# first close the close the transaction
$self->_DESTROY() ;
}
package BerkeleyDB::CDS::Lock;
use vars qw(%Object %Count);
use Carp;
sub BerkeleyDB::Common::cds_lock
{
my $db = shift ;
# fatal error if database not opened in CDS mode
croak("CDS not enabled for this database\n")
if ! $db->cds_enabled();
if ( ! defined $Object{"$db"})
{
$Object{"$db"} = $db->_db_write_cursor()
|| return undef ;
}
++ $Count{"$db"} ;
return bless [$db, 1], "BerkeleyDB::CDS::Lock" ;
}
sub cds_unlock
{
my $self = shift ;
my $db = $self->[0] ;
if ($self->[1])
{
$self->[1] = 0 ;
-- $Count{"$db"} if $Count{"$db"} > 0 ;
if ($Count{"$db"} == 0)
{
$Object{"$db"}->c_close() ;
undef $Object{"$db"};
}
return 1 ;
}
return undef ;
}
sub DESTROY
{
my $self = shift ;
$self->cds_unlock() ;
}
package BerkeleyDB::Term ;
END
{
close_everything() ;
}
package BerkeleyDB ;
# Autoload methods go after =cut, and are processed by the autosplit program.
1;
__END__
|