SocketUtilities.cc

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00001 // SocketUtilities.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004,2005 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include <unistd.h>
00034 
00035 #include "SocketUtilities.h"
00036 
00037 char *
00038 SocketUtilities::ltoa( long val, char *buf, int base)
00039 {
00040     ldiv_t r ;
00041 
00042     if( base > 36 || base < 2 ) // no conversion if wrong base
00043     {
00044         *buf = '\0' ;
00045         return buf ;
00046     }
00047     if(val < 0 )
00048     *buf++ = '-' ;
00049     r = ldiv( labs( val ), base ) ;
00050 
00051     /* output digits of val/base first */
00052     if( r.quot > 0 )
00053         buf = ltoa( r.quot, buf, base ) ;
00054 
00055     /* output last digit */
00056     *buf++ = "0123456789abcdefghijklmnopqrstuvwxyz"[(int)r.rem] ;
00057     *buf = '\0' ;
00058     return buf ;
00059 }
00060 
00061 string
00062 SocketUtilities::create_temp_name()
00063 {
00064     char tempbuf1[50] ;
00065     SocketUtilities::ltoa( getpid(), tempbuf1, 10 ) ;
00066     string s = tempbuf1 + (string)"_" ;
00067     char tempbuf0[50] ;
00068     unsigned int t = time( NULL ) - 1000000000 ;
00069     SocketUtilities::ltoa( t, tempbuf0, 10 ) ;
00070     s += tempbuf0 ;
00071     return s ;
00072 }
00073 

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