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/**
* Copyright (C) 2018-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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/commands/parse_log_component_settings.h"
#include <vector>
#include "mongo/bson/bsonobj.h"
#include "mongo/bson/bsonobjbuilder.h"
#include "mongo/bson/bsontypes.h"
#include "mongo/logv2/log_component.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/str.h"
namespace mongo {
/*
* Looks up a component by its short name, or returns kNumLogComponents
* if the shortName is invalid
*/
logv2::LogComponent _getComponentForShortName(StringData shortName) {
for (int i = 0; i < int(logv2::LogComponent::kNumLogComponents); ++i) {
logv2::LogComponent component = static_cast<logv2::LogComponent::Value>(i);
if (component.getShortName() == shortName)
return component;
}
return static_cast<logv2::LogComponent::Value>(logv2::LogComponent::kNumLogComponents);
}
StatusWith<std::vector<LogComponentSetting>> parseLogComponentSettings(const BSONObj& settings) {
typedef std::vector<LogComponentSetting> Result;
std::vector<LogComponentSetting> levelsToSet;
std::vector<BSONObjIterator> iterators;
logv2::LogComponent parentComponent = logv2::LogComponent::kDefault;
BSONObjIterator iter(settings);
while (iter.moreWithEOO()) {
BSONElement elem = iter.next();
if (elem.eoo()) {
if (!iterators.empty()) {
iter = iterators.back();
iterators.pop_back();
parentComponent = parentComponent.parent();
}
continue;
}
if (elem.fieldNameStringData() == "verbosity") {
if (!elem.isNumber()) {
return StatusWith<Result>(ErrorCodes::BadValue,
str::stream()
<< "Expected " << parentComponent.getDottedName()
<< ".verbosity to be a number, but found "
<< typeName(elem.type()));
}
levelsToSet.push_back((LogComponentSetting(parentComponent, elem.numberInt())));
continue;
}
const StringData shortName = elem.fieldNameStringData();
const logv2::LogComponent curr = _getComponentForShortName(shortName);
if (curr == logv2::LogComponent::kNumLogComponents || curr.parent() != parentComponent) {
return StatusWith<Result>(ErrorCodes::BadValue,
str::stream()
<< "Invalid component name "
<< parentComponent.getDottedName() << "." << shortName);
}
if (elem.isNumber()) {
levelsToSet.push_back(LogComponentSetting(curr, elem.numberInt()));
continue;
}
if (elem.type() != Object) {
return StatusWith<Result>(
ErrorCodes::BadValue,
str::stream() << "Invalid type " << typeName(elem.type()) << "for component "
<< parentComponent.getDottedName() << "." << shortName);
}
iterators.push_back(iter);
parentComponent = curr;
iter = BSONObjIterator(elem.Obj());
}
// Done walking settings
return StatusWith<Result>(levelsToSet);
}
} // namespace mongo
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