blob: 3914d016734f9e883be3e9afccb7e12cd28c3265 (
plain) (
blame)
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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "bootstrapconfigmanager.h"
#include "i_document_db_config_owner.h"
#include <vespa/searchcore/proton/common/doctypename.h>
#include <vespa/config/retriever/configretriever.h>
#include <vespa/config/subscription/configuri.h>
#include <deque>
#include <thread>
class FNET_Transport;
namespace document { class DocumentTypeRepo; }
namespace proton {
class BootstrapConfig;
class DocumentDBConfigManager;
class IProtonConfigurer;
/**
* A ProtonConfigFetcher monitors all config in proton and document dbs for change
* and starts proton reconfiguration if config has been reloaded.
*/
class ProtonConfigFetcher
{
public:
using BootstrapConfigSP = std::shared_ptr<BootstrapConfig>;
ProtonConfigFetcher(FNET_Transport & transport, const config::ConfigUri & configUri, IProtonConfigurer &owner, vespalib::duration subscribeTimeout);
~ProtonConfigFetcher();
/**
* Get the current config generation.
*/
int64_t getGeneration() const;
/**
* Start config fetcher, callbacks may come from now on.
*/
void start();
/**
* Shutdown config fetcher, ensuring that no more callbacks arrive
*/
void close();
void run();
private:
using DBManagerMap = std::map<DocTypeName, std::shared_ptr<DocumentDBConfigManager>>;
using OldDocumentTypeRepo = std::pair<vespalib::steady_time, std::shared_ptr<const document::DocumentTypeRepo>>;
using lock_guard = std::lock_guard<std::mutex>;
FNET_Transport & _transport;
BootstrapConfigManager _bootstrapConfigManager;
config::ConfigRetriever _retriever;
IProtonConfigurer & _owner;
mutable std::mutex _mutex; // Protects maps
std::condition_variable _cond;
DBManagerMap _dbManagerMap;
bool _running;
std::thread _thread;
std::deque<OldDocumentTypeRepo> _oldDocumentTypeRepos;
std::shared_ptr<const document::DocumentTypeRepo> _currentDocumentTypeRepo;
void fetchConfigs();
void updateDocumentDBConfigs(const BootstrapConfigSP & config, const config::ConfigSnapshot & snapshot);
void reconfigure();
const config::ConfigKeySet pruneManagerMap(const BootstrapConfigSP & config);
void rememberDocumentTypeRepo(std::shared_ptr<const document::DocumentTypeRepo> repo);
};
} // namespace proton
|
