ACE/examples/APG/Config/ARGV_Example.cpp

   1 /**
   2  * ACE_ARGV examples not in a larger program. Sample code from The ACE
   3  * Programmer's Guide, Copyright 2003 Addison-Wesley. All Rights Reserved.
   4  */
   5
   6 #include "ace/os_include/os_netdb.h"
   7 #include "ace/OS_NS_string.h"
   8 #include "ace/Log_Msg.h"
   9
  10 // Listing 1 code/ch04
  11 #include "ace/ARGV.h"
  12 #include "ace/Get_Opt.h"
  13
  14 int ACE_TMAIN (int, ACE_TCHAR *[])
  15 {
  16   static const ACE_TCHAR options[] = ACE_TEXT (":f:h:");
  17   static const ACE_TCHAR cmdline[] =
  18     ACE_TEXT ("-f /home/managed.cfg -h $HOSTNAME");
  19   ACE_ARGV cmdline_args (cmdline);
  20   ACE_Get_Opt cmd_opts (cmdline_args.argc (),
  21                         cmdline_args.argv (),
  22                         options,
  23                         0);          // Don't skip any args
  24
  25 // Listing 1
  26
  27   int option;
  28   ACE_TCHAR config_file[MAXPATHLEN];
  29   ACE_TCHAR hostname[MAXHOSTNAMELEN];
  30   ACE_OS::strcpy (config_file, ACE_TEXT ("HAStatus.conf"));
  31   ACE_OS::strcpy (hostname, ACE_TEXT ("not set"));
  32   while ((option = cmd_opts ()) != EOF)
  33     switch (option) {
  34     case 'f':
  35       ACE_OS::strncpy (config_file,
  36                               cmd_opts.opt_arg (),
  37                               MAXPATHLEN);
  38       break;
  39
  40     case 'h':
  41       ACE_OS::strncpy (hostname,
  42                               cmd_opts.opt_arg (),
  43                               MAXHOSTNAMELEN);
  44       break;
  45
  46     case ':':
  47       ACE_ERROR_RETURN
  48         ((LM_ERROR, ACE_TEXT ("-%c requires an argument\n"),
  49           cmd_opts.opt_opt ()), -1);
  50
  51
  52     default:
  53       ACE_ERROR_RETURN
  54         ((LM_ERROR, ACE_TEXT ("Parse error.\n")), -1);
  55     }
  56
  57   ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Config file: %s\n"), config_file));
  58   ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Hostname: %s\n"), hostname));
  59   return 0;
  60 }