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/**
* Copyright (C) 2016 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/util/fail_point_server_parameter.h"
#include "mongo/base/status.h"
#include "mongo/bson/json.h"
#include "mongo/util/fail_point.h"
#include "mongo/util/fail_point_registry.h"
#include "mongo/util/fail_point_service.h"
namespace mongo {
const std::string FailPointServerParameter::failPointPrefix = "failpoint.";
FailPointServerParameter::FailPointServerParameter(std::string name, FailPoint* failpoint)
: ServerParameter(ServerParameterSet::getGlobal(),
failPointPrefix + name,
true /* allowedToChangeAtStartup */,
false /* allowedToChangeAtRuntime */),
_failpoint(failpoint),
_failPointName(name) {}
void FailPointServerParameter::append(OperationContext* opCtx,
BSONObjBuilder& b,
const std::string& name) {
b << name << _failpoint->toBSON();
}
Status FailPointServerParameter::set(const BSONElement& newValueElement) {
return {ErrorCodes::InternalError,
"FailPointServerParameter::setFromString() should be used instead of "
"FailPointServerParameter::set()"};
}
Status FailPointServerParameter::setFromString(const std::string& str) {
FailPointRegistry* registry = getGlobalFailPointRegistry();
FailPoint* failPoint = registry->getFailPoint(_failPointName);
if (failPoint == NULL) {
return {ErrorCodes::BadValue,
str::stream() << _failPointName << " not found in fail point registry"};
}
BSONObj failPointOptions;
try {
failPointOptions = fromjson(str);
} catch (DBException& ex) {
return ex.toStatus();
}
FailPoint::Mode mode;
FailPoint::ValType val;
BSONObj data;
auto swParsedOptions = FailPoint::parseBSON(failPointOptions);
if (!swParsedOptions.isOK()) {
return swParsedOptions.getStatus();
}
std::tie(mode, val, data) = std::move(swParsedOptions.getValue());
failPoint->setMode(mode, val, data);
return Status::OK();
}
} // namespace mongo
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