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/**
* Copyright (C) 2018 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/curop_failpoint_helpers.h"
#include "mongo/db/curop.h"
namespace mongo {
std::string CurOpFailpointHelpers::updateCurOpMsg(OperationContext* opCtx,
const std::string& newMsg) {
stdx::lock_guard<Client> lk(*opCtx->getClient());
auto oldMsg = CurOp::get(opCtx)->getMessage();
CurOp::get(opCtx)->setMessage_inlock(newMsg.c_str());
return oldMsg;
}
void CurOpFailpointHelpers::waitWhileFailPointEnabled(
FailPoint* failPoint,
OperationContext* opCtx,
const std::string& curOpMsg,
const std::function<void(void)>& whileWaiting) {
invariant(failPoint);
auto origCurOpMsg = updateCurOpMsg(opCtx, curOpMsg);
MONGO_FAIL_POINT_BLOCK((*failPoint), options) {
const BSONObj& data = options.getData();
const bool shouldCheckForInterrupt = data["shouldCheckForInterrupt"].booleanSafe();
while (MONGO_FAIL_POINT((*failPoint))) {
sleepFor(Milliseconds(10));
if (whileWaiting) {
whileWaiting();
}
// Check for interrupt so that an operation can be killed while waiting for the
// failpoint to be disabled, if the failpoint is configured to be interruptible.
if (shouldCheckForInterrupt) {
opCtx->checkForInterrupt();
}
}
}
updateCurOpMsg(opCtx, origCurOpMsg);
}
}
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