bes  Updated for version 3.17.0
SocketUtilities.cc
1 // SocketUtilities.cc
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #include "config.h"
34 
35 #include <cstdlib>
36 #ifdef HAVE_UNISTD_H
37 #include <unistd.h>
38 #endif
39 
40 #include "SocketUtilities.h"
41 
42 char *
43 SocketUtilities::ltoa( long val, char *buf, int base)
44 {
45  ldiv_t r ;
46 
47  if( base > 36 || base < 2 ) // no conversion if wrong base
48  {
49  *buf = '\0' ;
50  return buf ;
51  }
52  if(val < 0 )
53  *buf++ = '-' ;
54  r = ldiv( labs( val ), base ) ;
55 
56  /* output digits of val/base first */
57  if( r.quot > 0 )
58  buf = ltoa( r.quot, buf, base ) ;
59 
60  /* output last digit */
61  *buf++ = "0123456789abcdefghijklmnopqrstuvwxyz"[(int)r.rem] ;
62  *buf = '\0' ;
63  return buf ;
64 }
65 
66 string
68 {
69  char tempbuf1[50] ;
70  SocketUtilities::ltoa( getpid(), tempbuf1, 10 ) ;
71  string s = tempbuf1 + (string)"_" ;
72  char tempbuf0[50] ;
73  unsigned int t = time( NULL ) - 1000000000 ;
74  SocketUtilities::ltoa( t, tempbuf0, 10 ) ;
75  s += tempbuf0 ;
76  return s ;
77 }
78 
static char * ltoa(long val, char *buf, int base)
static string create_temp_name()