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) 2004-2009 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 "config.h"
00034 
00035 #include <cstdlib>
00036 #ifdef HAVE_UNISTD_H
00037 #include <unistd.h>
00038 #endif
00039 
00040 #include "SocketUtilities.h"
00041 
00042 char *
00043 SocketUtilities::ltoa( long val, char *buf, int base)
00044 {
00045     ldiv_t r ;
00046 
00047     if( base > 36 || base < 2 ) // no conversion if wrong base
00048     {
00049         *buf = '\0' ;
00050         return buf ;
00051     }
00052     if(val < 0 )
00053     *buf++ = '-' ;
00054     r = ldiv( labs( val ), base ) ;
00055 
00056     /* output digits of val/base first */
00057     if( r.quot > 0 )
00058         buf = ltoa( r.quot, buf, base ) ;
00059 
00060     /* output last digit */
00061     *buf++ = "0123456789abcdefghijklmnopqrstuvwxyz"[(int)r.rem] ;
00062     *buf = '\0' ;
00063     return buf ;
00064 }
00065 
00066 string
00067 SocketUtilities::create_temp_name()
00068 {
00069     char tempbuf1[50] ;
00070     SocketUtilities::ltoa( getpid(), tempbuf1, 10 ) ;
00071     string s = tempbuf1 + (string)"_" ;
00072     char tempbuf0[50] ;
00073     unsigned int t = time( NULL ) - 1000000000 ;
00074     SocketUtilities::ltoa( t, tempbuf0, 10 ) ;
00075     s += tempbuf0 ;
00076     return s ;
00077 }
00078 

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