blob: 0e31503622367b25623a9916c0dbcc85fa14278c (
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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// **********************************************************************
//
// Copyright (c) 2003-2006 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_GRID_ALLOCATABLE_H
#define ICE_GRID_ALLOCATABLE_H
#include <IceUtil/Handle.h>
#include <IceUtil/Mutex.h>
#include <IceUtil/Shared.h>
#include <IceUtil/Time.h>
#include <list>
namespace IceGrid
{
class SessionI;
typedef IceUtil::Handle<SessionI> SessionIPtr;
class Allocatable;
typedef IceUtil::Handle<Allocatable> AllocatablePtr;
class AllocationRequest : public IceUtil::Mutex, public IceUtil::Shared
{
public:
virtual ~AllocationRequest();
virtual void timeout() = 0;
virtual void allocated(const AllocatablePtr&) = 0;
virtual void canceled() = 0;
bool setAllocatable(const AllocatablePtr&);
bool checkTimeout(const IceUtil::Time&);
void cancel();
void allocate();
void release(const SessionIPtr&);
int getTimeout() const { return _timeout; }
const SessionIPtr& getSession() const { return _session; }
bool operator<(const AllocationRequest&) const;
protected:
AllocationRequest(const SessionIPtr&);
private:
const SessionIPtr _session;
const int _timeout;
const IceUtil::Time _expiration;
bool _canceled;
AllocatablePtr _allocatable;
};
typedef IceUtil::Handle<AllocationRequest> AllocationRequestPtr;
class Allocatable : public IceUtil::Shared
{
public:
Allocatable(bool);
virtual ~Allocatable();
void allocate(const AllocationRequestPtr&, bool);
bool tryAllocate(const AllocationRequestPtr&);
void release(const SessionIPtr&);
bool allocatable() const { return _allocatable; }
protected:
bool _allocatable;
IceUtil::Mutex _allocateMutex;
std::list<AllocationRequestPtr> _requests;
AllocationRequestPtr _allocated;
};
};
#endif
|
