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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
/**
* 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.
*/
#pragma once
#include <vector>
#include "mongo/base/status.h"
#include "mongo/config.h"
#include "mongo/platform/mutex.h"
#include "mongo/transport/session.h"
#include "mongo/transport/transport_layer.h"
#include "mongo/util/hierarchical_acquisition.h"
#include "mongo/util/time_support.h"
#include <boost/optional.hpp>
namespace mongo {
struct ServerGlobalParams;
class ServiceContext;
namespace transport {
/**
* This TransportLayerManager is a TransportLayer implementation that holds other
* TransportLayers. Mongod and Mongos can treat this like the "only" TransportLayer
* and not be concerned with which other TransportLayer implementations it holds
* underneath.
*/
class TransportLayerManager final : public TransportLayer {
TransportLayerManager(const TransportLayerManager&) = delete;
TransportLayerManager& operator=(const TransportLayerManager&) = delete;
public:
explicit TransportLayerManager(std::vector<std::unique_ptr<TransportLayer>> tls,
const WireSpec& wireSpec = WireSpec::instance())
: TransportLayer(wireSpec), _tls(std::move(tls)) {}
explicit TransportLayerManager(const WireSpec& wireSpec = WireSpec::instance())
: TransportLayer(wireSpec) {}
StatusWith<std::shared_ptr<Session>> connect(
HostAndPort peer,
ConnectSSLMode sslMode,
Milliseconds timeout,
boost::optional<TransientSSLParams> transientSSLParams) override;
Future<std::shared_ptr<Session>> asyncConnect(
HostAndPort peer,
ConnectSSLMode sslMode,
const ReactorHandle& reactor,
Milliseconds timeout,
std::shared_ptr<ConnectionMetrics> connectionMetrics,
std::shared_ptr<const SSLConnectionContext> transientSSLContext = nullptr) override;
Status start() override;
void shutdown() override;
Status setup() override;
void appendStatsForServerStatus(BSONObjBuilder* bob) const override;
void appendStatsForFTDC(BSONObjBuilder& bob) const override;
ReactorHandle getReactor(WhichReactor which) override;
// TODO This method is not called anymore, but may be useful to add new TransportLayers
// to the manager after it's been created.
Status addAndStartTransportLayer(std::unique_ptr<TransportLayer> tl);
/*
* This initializes a TransportLayerManager with the global configuration of the server.
*
* To setup networking in mongod/mongos, create a TransportLayerManager with this function,
* then call
* tl->setup();
* serviceContext->setTransportLayer(std::move(tl));
* serviceContext->getTransportLayer->start();
*/
static std::unique_ptr<TransportLayer> createWithConfig(
const ServerGlobalParams* config,
ServiceContext* ctx,
boost::optional<int> loadBalancerPort = {});
static std::unique_ptr<TransportLayer> makeAndStartDefaultEgressTransportLayer();
BatonHandle makeBaton(OperationContext* opCtx) const override {
stdx::lock_guard<Latch> lk(_tlsMutex);
// TODO: figure out what to do about managers with more than one transport layer.
invariant(_tls.size() == 1);
return _tls[0]->makeBaton(opCtx);
}
#ifdef MONGO_CONFIG_SSL
Status rotateCertificates(std::shared_ptr<SSLManagerInterface> manager,
bool asyncOCSPStaple) override;
StatusWith<std::shared_ptr<const transport::SSLConnectionContext>> createTransientSSLContext(
const TransientSSLParams& transientSSLParams) override;
#endif
private:
template <typename Callable>
void _foreach(Callable&& cb) const;
mutable Mutex _tlsMutex =
MONGO_MAKE_LATCH(HierarchicalAcquisitionLevel(1), "TransportLayerManager::_tlsMutex");
std::vector<std::unique_ptr<TransportLayer>> _tls;
};
} // namespace transport
} // namespace mongo
|
