/usr/include/x86_64-linux-gnu/qcc/GUID.h is in liballjoyn-common-dev-1604 16.04a-3.
This file is owned by root:root, with mode 0o644.
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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 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | #ifndef _QCC_GUID_H
#define _QCC_GUID_H
/**
* @file
*
* This file defines the a class for creating 128 bit GUIDs
*
*/
/******************************************************************************
* Copyright AllSeen Alliance. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************************/
#ifndef __cplusplus
#error Only include GUID128.h in C++ code.
#endif
#include <qcc/platform.h>
#include <qcc/String.h>
#include <string.h>
namespace qcc {
/**
* class for creating 128 bit GUIDs
*/
class GUID128 {
public:
/**
* Size of a GUID128 in bytes
*/
static const size_t SIZE = 16;
/**
* Size of string returned by ToShortString() in bytes.
*/
static const size_t SIZE_SHORT = 8;
/**
* Compare two GUIDs for equality
*/
bool operator==(const GUID128& other) const { return memcmp(other.guid, guid, SIZE) == 0; }
/**
* Compare two GUIDs
*/
bool operator<(const GUID128& other) const { return memcmp(other.guid, guid, SIZE) < 0; }
/**
* Compare two GUIDs for non-equality
*/
bool operator!=(const GUID128& other) const { return memcmp(other.guid, guid, SIZE) != 0; }
/**
* Compare a GUID with a string (case insensitive)
*
* @param other The other GUID to compare with
* @return True if the other string represents the same set of bytes stored
* in the GUID128 class.
*/
bool Compare(const qcc::String& other);
/**
* Returns true if the string is a guid or starts with a guid
*
* @param str The string to check
* @param exactLen If true the string must be the exact length for a GUID128 otherwise only check
* that the string starts with a GUID128
*
* @return true if the string is a guid
*/
static bool AJ_CALL IsGUID(const qcc::String& str, bool exactLen = true);
/**
* Returns string representation of a GUID128
*/
const qcc::String& ToString() const;
/**
* Returns a shortened and compressed representation of a GUID128.
* The result string is composed of the following characters:
*
* [0-9][A-Z][a-z]-
*
* These 64 characters (6 bits) are stored in an 8 string. This gives
* a 48 string that is generated uniquely from the original 128-bit GUID value.
* The mapping of GUID128 to "shortened string" is therefore many to one.
*
* This representation does NOT have the full 128 bits of randomness
*
* @return The shortened and compressed representation of the GUID128
*/
const qcc::String& ToShortString() const;
/**
* GUID128 constructor - intializes GUID with a random number
*/
GUID128();
/**
* GUID128 constructor - fills GUID with specified value.
*/
GUID128(uint8_t init);
/**
* GUID128 constructor - intializes GUID from a hex encoded string
*/
GUID128(const qcc::String& hexStr);
/**
* Assignment operator
*/
GUID128& operator =(const GUID128& other);
/**
* Copy constructor
*/
GUID128(const GUID128& other);
/**
* Render a GUID as an array of bytes
*/
uint8_t* Render(uint8_t* data, size_t len) const;
/**
* Render a GUID as a byte string.
*/
const qcc::String RenderByteString() const { return qcc::String((char*)guid, (size_t)SIZE); }
/**
* Set the GUID raw bytes.
*
* @param buf Pointer to 16 raw (binary) bytes for guid
*/
void SetBytes(const uint8_t* buf);
/**
* Get the GUID raw bytes.
*
* @return Pointer to GUID128::SIZE bytes that make up this guid value.
*/
const uint8_t* GetBytes() const { return guid; }
private:
uint8_t guid[SIZE];
mutable qcc::String value;
mutable qcc::String shortValue;
};
} /* namespace qcc */
#endif
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