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/**
* Copyright (C) 2019-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/pipeline/javascript_execution.h"
#include <iostream>
#include "mongo/base/status_with.h"
#include "mongo/util/str.h"
namespace mongo {
namespace {
const auto getExec = OperationContext::declareDecoration<std::unique_ptr<JsExecution>>();
} // namespace
JsExecution* JsExecution::get(OperationContext* opCtx,
const BSONObj& scope,
StringData database,
bool loadStoredProcedures,
boost::optional<int> jsHeapLimitMB) {
auto& exec = getExec(opCtx);
if (!exec) {
exec = std::make_unique<JsExecution>(opCtx, scope, jsHeapLimitMB);
exec->getScope()->setLocalDB(database);
if (loadStoredProcedures) {
exec->getScope()->loadStored(opCtx, true);
}
exec->_storedProceduresLoaded = loadStoredProcedures;
} else {
uassert(31438,
"A single operation cannot use both JavaScript aggregation expressions and $where.",
loadStoredProcedures == exec->_storedProceduresLoaded);
}
return exec.get();
}
Value JsExecution::callFunction(ScriptingFunction func,
const BSONObj& params,
const BSONObj& thisObj) {
int err = _scope->invoke(func, ¶ms, &thisObj, _fnCallTimeoutMillis, false);
uassert(
31439, str::stream() << "js function failed to execute: " << _scope->getError(), err == 0);
BSONObjBuilder returnValue;
_scope->append(returnValue, "", "__returnValue");
return Value(returnValue.done().firstElement());
}
void JsExecution::callFunctionWithoutReturn(ScriptingFunction func,
const BSONObj& params,
const BSONObj& thisObj) {
int err = _scope->invoke(func, ¶ms, &thisObj, _fnCallTimeoutMillis, true);
uassert(
31470, str::stream() << "js function failed to execute: " << _scope->getError(), err == 0);
return;
}
} // namespace mongo
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