summaryrefslogtreecommitdiff
path: root/src/mongo/transport/grpc/mock_util.h
blob: 456437cfe1f0f1a7025f710533a6c6830c720894 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
/**
 *    Copyright (C) 2023-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.
 */

#pragma once

#include <map>
#include <string>

#include "mongo/db/operation_context.h"
#include "mongo/db/service_context.h"
#include "mongo/util/interruptible.h"
#include "mongo/util/time_support.h"

namespace mongo::transport::grpc {

/**
 * Performs the provided lambda and returns its return value. If the lambda's execution is
 * interrupted due to the deadline being exceeded, this returns a default-constructed T instead.
 */
template <typename T, typename F>
T runWithDeadline(Date_t deadline, F f) {
    auto svcCtx = getGlobalServiceContext();
    if (svcCtx->getFastClockSource()->now() > deadline) {
        return T();
    }

    auto cl = svcCtx->makeClient("MockGRPCTimer");
    AlternativeClientRegion acr(cl);
    auto opCtx = cc().makeOperationContext();
    opCtx->setDeadlineByDate(deadline, ErrorCodes::ExceededTimeLimit);

    try {
        return f(opCtx.get());
    } catch (const ExceptionFor<ErrorCodes::ExceededTimeLimit>&) {
        return T();
    }
}
}  // namespace mongo::transport::grpc