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
|
#ifndef QPID_FRAMING_UUID_H
#define QPID_FRAMING_UUID_H
/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#include <boost/array.hpp>
#include <ostream>
#include <istream>
#include <uuid/uuid.h>
namespace qpid {
namespace framing {
class Buffer;
/**
* A UUID is represented as a boost::array of 16 bytes.
*
* Full value semantics, operators ==, < etc. are provided by
* boost::array so Uuid can be the key type in a map etc.
*/
struct Uuid : public boost::array<uint8_t, 16> {
/** If unique is true, generate a unique ID else a null ID. */
Uuid(bool unique=false) { if (unique) generate(); else clear(); }
/** Copy from 16 bytes of data */
Uuid(const uint8_t* data) { assign(data); }
/** Copy from 16 bytes of data */
void assign(const uint8_t* data) { uuid_copy(c_array(), data); }
/** Set to a new unique identifier */
void generate() { uuid_generate(c_array()); }
/** Set to all zeros */
void clear() { uuid_clear(c_array()); }
/** Test for null (all zeros) */
bool isNull() const { return uuid_is_null(data()); }
// Default op= and copy ctor are fine.
// boost::array gives us ==, < etc.
void encode(framing::Buffer& buf) const;
void decode(framing::Buffer& buf);
/** String value in format 1b4e28ba-2fa1-11d2-883f-b9a761bde3fb */
std::string str() const;
template <class S> void serialize(S& s) {
s(static_cast<boost::array<uint8_t, 16>&>(*this));
}
};
/** Print in format 1b4e28ba-2fa1-11d2-883f-b9a761bde3fb */
std::ostream& operator<<(std::ostream&, const Uuid&);
/** Read from format 1b4e28ba-2fa1-11d2-883f-b9a761bde3fb */
std::istream& operator>>(std::istream&, Uuid&);
}} // namespace qpid::framing
#endif /*!QPID_FRAMING_UUID_H*/
|
