As-gui Sources / file revision

 //

 //  OSSP asgui - Accounting system graphical user interface

 //  Copyright (c) 2002-2009 The OSSP Project (http://www.ossp.org/)

 //  Copyright (c) 2002-2009 Ralf S. Engelschall <rse@engelschall.com>

 //  Copyright (c) 2002-2009 Michael Schloh von Bennewitz <michael@schloh.com>

 //  Copyright (c) 2002-2009 Cable & Wireless Telecommunications Services GmbH

 //

 //  This file is part of OSSP asgui, an accounting system graphical user

 //  interface which can be found at http://asgui.europalab.com/.

 //

 //  Permission to use, copy, modify, and 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.

 //

 //  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED

 //  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 //  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 //  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR

 //  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 //  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 //  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

 //  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 //  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

 //  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT

 //  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 //  SUCH DAMAGE.

 //

 //  as_uuid.cpp: ISO C++ implementation

 //

 // System headers

 #include <string>

 #include <sys/socket.h>

 // Local headers

 #include "as_uuid.h"

 #include "as_rand.h"

 // All of these are for detecting

 // the MAC address in setMac()

 #ifdef HAVE_UNISTD_H

 #include <unistd.h>

 #endif // HAVE_UNISTD_H

 #ifdef HAVE_SYS_SOCKIO_H

 #include <sys/sockio.h>

 #endif // HAVE_SYS_SOCKIO_H

 #ifdef HAVE_NET_IF_H

 #include <net/if.h>

 #endif // HAVE_NET_IF_H

 #ifdef HAVE_NETINET_IN_H

 #include <netinet/in.h>

 #endif // HAVE_NETINET_IN_H

 namespace AS {

 //

 // Generate a DCE standard UUID

 //

 void Uuid::genId(void)

 {

     Rand Temprand;                  // For random numbers

     unsigned char szChardata[16];   // Intermediate data

     // Generate random data and fill in our UUID member fields with it

     Temprand.genData(szChardata, sizeof(szChardata));

     setId(szChardata);

     // Since we don't just want random data, lets take some clock sequences also

     this->clock_seq = (this->clock_seq & 0x3FFF) | 0x8000;

     this->time_hi_and_version = (this->time_hi_and_version & 0x0FFF) | 0x4000;

     // In every case that we can, set the node ID to the real MAC address

     setMac(this->node);

     setString(); // Set the human readable string

 }

 //

 // Helper method to set the UUID private member data

 //

 void Uuid::setId(const unsigned char *pkucData)

 {

     const U8 *pOctet = pkucData;

     U32       Tmpdat;

     Tmpdat = *pOctet++; // Tmpdat is our iterator

     // Copy data chunks one octet at a time

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     this->time_low = Tmpdat;

     Tmpdat = *pOctet++;

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     this->time_mid = Tmpdat;

     Tmpdat = *pOctet++;

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     this->time_hi_and_version = Tmpdat;

     Tmpdat = *pOctet++;

     Tmpdat = (Tmpdat << 8) | *pOctet++;

     this->clock_seq = Tmpdat;

     // Put in the MAC address

     memcpy(this->node, pOctet, 6);

 }

 //

 // Helper method to set up the MAC address node ID member data

 //

 int Uuid::setMac(unsigned char *pucNode)

 {

     return 0;

 }

 //

 // Returns a formatted representation of a DCE standard UUID

 //

 std::string Uuid::getString(void)

 {

     return m_Fmtstr;

 }

 //

 // Helper method to set the private formatted

 // representation of a DCE standard UUID

 //

 void Uuid::setString(void)

 {

     char szTemp[48];    // To perform intermediate manipulation

     sprintf(szTemp, // The DCE standard UUID format

         "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",

         this->time_low, this->time_mid, this->time_hi_and_version,

         this->clock_seq >> 8, this->clock_seq & 0xFF,

         node[0], node[1], node[2],

         node[3], node[4], node[5]);

     m_Fmtstr = szTemp;  // Finally copy the temporary to our object

 }

 } // namespace AS