Re: [Confuse-devel] Need help with libconfuse

[Martin Hedenfalk]

On Fri, 2003-10-17 at 13:13, Rajeev Sampige wrote:
> Hi,

Hello!

> I'm developing a server which is supposed to open a default config file
> and get the information about some components present on the system.
> 
> Sample config file looks like,
> 
> # sessions
> 
> polling_interval = 5
> 
> retry_count=4
> 
> ABC_0
> IPAddress=10.0.10.1
> UserID=admin
> Passwd=admin
> 
> DEF_0
> IPAddress=10.0.10.2
> UserID=user1
> Passwd=user2
> 
> The plan is to try connect to ABC_0, DEF_0 ..etc using IP address and
> other details. we could have many sets similar to ABC_0, but we will
> have only one entry of retry_count and polling_interval.
> Is it possible for me to use libconfuse APIs for this purpose ?

Yes, you can create a section called e.g. "server", and your config file
would then look something like this:

polling_interval = 5
retry_count = 4
server ABC_0 {
  IPAddress=10.0.10.1
  UserID=admin
  Passwd=admin
}
server DEF_0 {
  IPAddress=10.0.10.2
  UserID=user1
  Passwd=user2
}

> Could you suggest me a skeletal code in c ?

/* options for the "server" section */
cfg_opt_t server_opts[] = {
  CFG_STR("IPAddress", 0, CFGF_NONE),
  CFG_STR("UserID", 0, CFGF_NONE),
  CFG_STR("Passwd", 0, CFGF_NONE),
}

/* global options */
cfg_opt_t opts[] = {
  CFG_INT("polling_interval", 5, CFGF_NONE),
  CFG_INT("retry_count", 4, CFGF_NONE),
  CFG_SEC("server", server_opts, CFGF_MULTI | CFGF_TITLE),
  CFG_END()
}

main()
{
  int i;

  /* initialize and parse config file */
  cfg_t *cfg = cfg_init(opts, CFGF_NOCASE);
  cfg_parse(cfg, "filename.conf");

  /* do something with each configured server */
  for(i = 0; i < cfg_size(cfg, "server"); i++
  {
    cfg_sec_t *sec = cfg_getnsec(cfg, "server", i);

    do_something(cfg_getstr(sec, "IPAddress"),
                 cfg_getstr(sec, "UserID"),
                 cfg_getstr(sec, "Passwd"));
  }

  cfg_free(cfg);
}

> Thanks,
> Rajeev
> 

HTH / Martin