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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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kQuery
#include "mongo/platform/basic.h"
#include "mongo/db/query/killcursors_request.h"
namespace mongo {
namespace {
constexpr StringData kCmdName = "killCursors"_sd;
const char kCursorsField[] = "cursors";
} // namespace
KillCursorsRequest::KillCursorsRequest(const NamespaceString& nsString,
const std::vector<CursorId>& ids)
: nss(nsString), cursorIds(ids) {}
StatusWith<KillCursorsRequest> KillCursorsRequest::parseFromBSON(const std::string& dbname,
const BSONObj& cmdObj) {
if (cmdObj.firstElement().fieldNameStringData() != kCmdName) {
return {ErrorCodes::FailedToParse,
str::stream() << "First field name must be '" << kCmdName << "' in: " << cmdObj};
}
if (cmdObj.firstElement().type() != BSONType::String) {
return {ErrorCodes::FailedToParse,
str::stream() << "First parameter must be a string in: " << cmdObj};
}
std::string collName = cmdObj.firstElement().String();
const NamespaceString nss(dbname, collName);
if (!nss.isValid()) {
return {ErrorCodes::InvalidNamespace,
str::stream() << "Invalid collection name: " << nss.ns()};
}
if (cmdObj[kCursorsField].type() != BSONType::Array) {
return {ErrorCodes::FailedToParse,
str::stream() << "Field '" << kCursorsField
<< "' must be of type array in: " << cmdObj};
}
std::vector<CursorId> cursorIds;
for (BSONElement cursorEl : cmdObj[kCursorsField].Obj()) {
if (cursorEl.type() != BSONType::NumberLong) {
return {ErrorCodes::FailedToParse,
str::stream() << "Field '" << kCursorsField
<< "' contains an element that is not of type long: "
<< cursorEl};
}
cursorIds.push_back(cursorEl.numberLong());
}
if (cursorIds.empty()) {
return {ErrorCodes::BadValue,
str::stream() << "Must specify at least one cursor id in: " << cmdObj};
}
return KillCursorsRequest(nss, cursorIds);
}
BSONObj KillCursorsRequest::toBSON() const {
BSONObjBuilder builder;
builder.append(kCmdName, nss.coll());
BSONArrayBuilder idsBuilder(builder.subarrayStart(kCursorsField));
for (CursorId id : cursorIds) {
idsBuilder.append(id);
}
idsBuilder.doneFast();
return builder.obj();
}
} // namespace mongo
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