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/**
* Copyright (C) 2022-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kControl
#include "mongo/db/concurrency/temporarily_unavailable_exception.h"
#include "mongo/base/string_data.h"
#include "mongo/db/server_options_general_gen.h"
#include "mongo/logv2/log.h"
#include "mongo/util/duration.h"
namespace mongo {
TemporarilyUnavailableException::TemporarilyUnavailableException(StringData context)
: DBException(Status(ErrorCodes::TemporarilyUnavailable, context)) {
invariant(gLoadShedding);
}
void TemporarilyUnavailableException::handle(OperationContext* opCtx,
int attempts,
StringData opStr,
StringData ns,
const TemporarilyUnavailableException& e) {
opCtx->recoveryUnit()->abandonSnapshot();
if (opCtx->getClient()->isFromUserConnection() &&
attempts > TemporarilyUnavailableException::kMaxRetryAttempts) {
LOGV2_DEBUG(6083901,
1,
"Too many TemporarilyUnavailableException's, giving up",
"attempts"_attr = attempts,
"operation"_attr = opStr,
logAttrs(NamespaceString(ns)));
throw e;
}
LOGV2_DEBUG(6083900,
1,
"Caught TemporarilyUnavailableException",
"attempts"_attr = attempts,
"operation"_attr = opStr,
logAttrs(NamespaceString(ns)));
// Back off linearly with the retry attempt number.
opCtx->sleepFor(TemporarilyUnavailableException::kRetryBackoff * attempts);
}
} // namespace mongo
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