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# Copyright 2015 - present MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
use strict;
use warnings;
package MongoDB::_Constants;
# Common MongoDB driver constants
use version;
our $VERSION = 'v2.0.2';
use Exporter 5.57 qw/import/;
use Config;
my $CONSTANTS;
BEGIN {
$CONSTANTS = {
COOLDOWN_SECS => 5,
CURSOR_ZERO => "\0" x 8,
EPOCH => 0,
HAS_INT64 => $Config{use64bitint},
IDLE_WRITE_PERIOD_SEC => 10,
MAX_BSON_OBJECT_SIZE => 4_194_304,
MAX_GRIDFS_BATCH_SIZE => 16_777_216, # 16MiB
MAX_BSON_WIRE_SIZE => 16_793_600, # 16MiB + 16KiB
MAX_WIRE_VERSION => 5,
MAX_WRITE_BATCH_SIZE => 1000,
MIN_HEARTBEAT_FREQUENCY_SEC => .5,
MIN_HEARTBEAT_FREQUENCY_USEC => 500_000, # 500ms, not configurable
MIN_KEYED_DOC_LENGTH => 8,
MIN_SERVER_VERSION => "2.4.0",
MIN_WIRE_VERSION => 0,
NO_JOURNAL_RE => qr/^journaling not enabled/,
NO_REPLICATION_RE => qr/^no replication has been enabled/,
P_INT32 => $] lt '5.010' ? 'l' : 'l<',
SMALLEST_MAX_STALENESS_SEC => 90,
WITH_ASSERTS => $ENV{PERL_MONGO_WITH_ASSERTS},
# Transaction state tracking
TXN_NONE => 'none',
TXN_STARTING => 'starting',
TXN_IN_PROGRESS => 'in_progress',
TXN_COMMITTED => 'committed',
TXN_ABORTED => 'aborted',
};
}
use constant $CONSTANTS;
our @EXPORT = keys %$CONSTANTS;
1;
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