As-gui Sources / file comparison
comparison: as_uuid.cpp
as_uuid.cpp
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| 1 // | |
| 2 // OSSP asgui - Accounting system graphical user interface | |
| 3 // Copyright (c) 2002-2004 The OSSP Project (http://www.ossp.org/) | |
| 4 // Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com> | |
| 5 // Copyright (c) 2002-2004 Michael Schloh von Bennewitz <michael@schloh.com> | |
| 6 // Copyright (c) 2002-2004 Cable & Wireless Telecommunications Services GmbH | |
| 7 // | |
| 8 // This file is part of OSSP asgui, an accounting system graphical user | |
| 9 // interface which can be found at http://www.ossp.org/pkg/tool/asgui/. | |
| 10 // | |
| 11 // Permission to use, copy, modify, and distribute this software for | |
| 12 // any purpose with or without fee is hereby granted, provided that | |
| 13 // the above copyright notice and this permission notice appear in all | |
| 14 // copies. | |
| 15 // | |
| 16 // THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | |
| 17 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| 18 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
| 19 // IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR | |
| 20 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | |
| 23 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 24 // ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 25 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
| 26 // OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 27 // SUCH DAMAGE. | |
| 28 // | |
| 29 // as_uuid.cpp: ISO C++ implementation | |
| 30 // | |
| 31 | |
| 32 // System headers | |
| 33 #include <string> | |
| 34 #include <sys/socket.h> | |
| 35 | |
| 36 // Local headers | |
| 37 #include "as_uuid.h" | |
| 38 #include "as_rand.h" | |
| 39 | |
| 40 // All of these are for detecting | |
| 41 // the MAC address in setMac() | |
| 42 #ifdef HAVE_UNISTD_H | |
| 43 #include <unistd.h> | |
| 44 #endif // HAVE_UNISTD_H | |
| 45 #ifdef HAVE_SYS_SOCKIO_H | |
| 46 #include <sys/sockio.h> | |
| 47 #endif // HAVE_SYS_SOCKIO_H | |
| 48 #ifdef HAVE_NET_IF_H | |
| 49 #include <net/if.h> | |
| 50 #endif // HAVE_NET_IF_H | |
| 51 #ifdef HAVE_NETINET_IN_H | |
| 52 #include <netinet/in.h> | |
| 53 #endif // HAVE_NETINET_IN_H | |
| 54 | |
| 55 | |
| 56 namespace AS { | |
| 57 | |
| 58 // | |
| 59 // Generate a DCE standard UUID | |
| 60 // | |
| 61 void Uuid::genId(void) | |
| 62 { | |
| 63 Rand Temprand; // For random numbers | |
| 64 unsigned char szChardata[16]; // Intermediate data | |
| 65 | |
| 66 // Generate random data and fill in our UUID member fields with it | |
| 67 Temprand.genData(szChardata, sizeof(szChardata)); | |
| 68 setId(szChardata); | |
| 69 | |
| 70 // Since we don't just want random data, lets take some clock sequences also | |
| 71 this->clock_seq = (this->clock_seq & 0x3FFF) | 0x8000; | |
| 72 this->time_hi_and_version = (this->time_hi_and_version & 0x0FFF) | 0x4000; | |
| 73 | |
| 74 // In every case that we can, set the node ID to the real MAC address | |
| 75 setMac(this->node); | |
| 76 | |
| 77 setString(); // Set the human readable string | |
| 78 } | |
| 79 | |
| 80 // | |
| 81 // Helper method to set the UUID private member data | |
| 82 // | |
| 83 void Uuid::setId(const unsigned char *pkucData) | |
| 84 { | |
| 85 const U8 *pOctet = pkucData; | |
| 86 U32 Tmpdat; | |
| 87 | |
| 88 Tmpdat = *pOctet++; // Tmpdat is our iterator | |
| 89 | |
| 90 // Copy data chunks one octet at a time | |
| 91 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 92 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 93 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 94 this->time_low = Tmpdat; | |
| 95 | |
| 96 Tmpdat = *pOctet++; | |
| 97 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 98 this->time_mid = Tmpdat; | |
| 99 | |
| 100 Tmpdat = *pOctet++; | |
| 101 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 102 this->time_hi_and_version = Tmpdat; | |
| 103 | |
| 104 Tmpdat = *pOctet++; | |
| 105 Tmpdat = (Tmpdat << 8) | *pOctet++; | |
| 106 this->clock_seq = Tmpdat; | |
| 107 | |
| 108 // Put in the MAC address | |
| 109 memcpy(this->node, pOctet, 6); | |
| 110 } | |
| 111 | |
| 112 // | |
| 113 // Helper method to set up the MAC address node ID member data | |
| 114 // | |
| 115 int Uuid::setMac(unsigned char *pucNode) | |
| 116 { | |
| 117 return 0; | |
| 118 } | |
| 119 | |
| 120 // | |
| 121 // Returns a formatted representation of a DCE standard UUID | |
| 122 // | |
| 123 std::string Uuid::getString(void) | |
| 124 { | |
| 125 return m_Fmtstr; | |
| 126 } | |
| 127 | |
| 128 // | |
| 129 // Helper method to set the private formatted | |
| 130 // representation of a DCE standard UUID | |
| 131 // | |
| 132 void Uuid::setString(void) | |
| 133 { | |
| 134 char szTemp[48]; // To perform intermediate manipulation | |
| 135 | |
| 136 sprintf(szTemp, // The DCE standard UUID format | |
| 137 "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", | |
| 138 this->time_low, this->time_mid, this->time_hi_and_version, | |
| 139 this->clock_seq >> 8, this->clock_seq & 0xFF, | |
| 140 node[0], node[1], node[2], | |
| 141 node[3], node[4], node[5]); | |
| 142 | |
| 143 m_Fmtstr = szTemp; // Finally copy the temporary to our object | |
| 144 } | |
| 145 } // namespace AS |
