summaryrefslogtreecommitdiff
path: root/cpp/src/Glacier2/RoutingTable.h
blob: e056a41444273e5d1605a42565033b85d86e7e9b (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
// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

#ifndef ICE_ROUTING_TABLE_H
#define ICE_ROUTING_TABLE_H

#include <Ice/Ice.h>
#include <IceUtil/Mutex.h>
#include <list>
#include <Glacier2/ProxyVerifier.h>

namespace Glacier2
{

class RoutingTable;
typedef IceUtil::Handle<RoutingTable> RoutingTablePtr;

class RoutingTable : public IceUtil::Shared, public IceUtil::Mutex
{
public:

    RoutingTable(const Ice::CommunicatorPtr&, const ProxyVerifierPtr&);

    Ice::ObjectProxySeq add(const Ice::ObjectProxySeq&, const Ice::Current&); // Returns evicted proxies.
    Ice::ObjectPrx get(const Ice::Identity&); // Returns null if no proxy can be found.

private:

    const Ice::CommunicatorPtr _communicator;
    const int _traceLevel;
    const int _maxSize;
    const ProxyVerifierPtr _verifier; 

    struct EvictorEntry;
    typedef IceUtil::Handle<EvictorEntry> EvictorEntryPtr;

    typedef std::map<Ice::Identity, EvictorEntryPtr> EvictorMap;
    typedef std::list<EvictorMap::iterator> EvictorQueue;

    friend struct EvictorEntry;
    struct EvictorEntry : public IceUtil::Shared
    {
        Ice::ObjectPrx proxy;
        EvictorQueue::iterator pos;
    };

    EvictorMap _map;
    EvictorQueue _queue;
};

}

#endif