blob: 72cce9de91ec860713512bf63ebb31c45156ce7e (
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
79
80
81
82
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "ok_state.h"
#include "i_rpc_server_manager.h"
#include "managed_rpc_server.h"
#include "service_map_mirror.h"
#include <deque>
namespace slobrok {
//-----------------------------------------------------------------------------
class ExchangeManager;
//-----------------------------------------------------------------------------
/**
* @class RemoteSlobrok
* @brief Keeps track of and talks to a remote location broker
*
* Handles one single partner slobrok
**/
class RemoteSlobrok: public IRpcServerManager,
public FRT_IRequestWait
{
private:
class Reconnecter : public FNET_Task
{
private:
int _waittime;
RemoteSlobrok &_owner;
Reconnecter(const Reconnecter &); // not used
Reconnecter &operator=(const Reconnecter &); // not used
public:
explicit Reconnecter(FNET_Scheduler *sched, RemoteSlobrok &owner);
~Reconnecter() override;
void scheduleTryConnect();
void disable();
void PerformTask() override;
};
ExchangeManager &_exchanger;
FRT_Target *_remote;
ServiceMapMirror _serviceMapMirror;
ManagedRpcServer _rpcserver;
Reconnecter _reconnecter;
int _failCnt;
std::unique_ptr<MapSubscription> _consensusSubscription;
FRT_RPCRequest *_remAddPeerReq;
FRT_RPCRequest *_remFetchReq;
void handleFetchResult();
public:
RemoteSlobrok(const RemoteSlobrok&) = delete;
RemoteSlobrok& operator= (const RemoteSlobrok&) = delete;
RemoteSlobrok(const std::string &name, const std::string &spec, ExchangeManager &manager);
~RemoteSlobrok() override;
void fail();
bool isConnected() const { return (_remote != nullptr); }
void tryConnect();
void maybeStartFetch();
void invokeAsync(FRT_RPCRequest *req, double timeout, FRT_IRequestWait *rwaiter);
const std::string & getName() const { return _rpcserver.getName(); }
const std::string & getSpec() const { return _rpcserver.getSpec(); }
ServiceMapMirror &remoteMap() { return _serviceMapMirror; }
void shutdown();
// interfaces implemented:
void notifyFailedRpcSrv(ManagedRpcServer *rpcsrv, std::string errmsg) override;
void notifyOkRpcSrv(ManagedRpcServer *rpcsrv) override;
void RequestDone(FRT_RPCRequest *req) override;
FRT_Supervisor *getSupervisor() override;
};
//-----------------------------------------------------------------------------
} // namespace slobrok
|
