Hi all,
I'm trying to understand how the sresolv "simple" interface works.
For this reason I wrote this small application in my sandbox, it
compiles but of course it doesn't do what I'd like to do.
I checked the doxy for sres_resolver_create() but they're quite
incomplete either I'm too dumb to understand how to properly use it.
I think this interface should work by registering some handler when
waiting for the DNS query, but I cuouldn't figure out how to register
that.
Also I would like if possible a simple description about the tags in
the sres_resolver_create (that is what they're meant to contain).
Here it is the application.
--------------------------------8<-----------------------------------
#include <sofia-sip/sresolv.h>
#include <sofia-sip/su_log.h>
#include <stdlib.h>
#include <stdio.h>
int main(int argc, char** argv)
{
/* the main thread of the application which handles all the incoming events
*/
su_root_t *root;
su_log_set_level(NULL, 9);
if (argc <= 1) {
fprintf(stderr, "Missing the address to resolve");
exit(1);
}
const char* address = argv[1];
/* Initialize Sofia-SIP library and create event loop */
su_init ();
root = su_root_create(NULL);
/* at first I need to create the DNS resolver object */
sres_resolver_t* res = sres_resolver_create(root,
"etc/resolv.conf",
TAG_NULL());
/* when should I take care of the destruction of the resolver object? */
/* I think I should register somewhere an handler which manages the
response of the
* query, then invoke its destruction from there */
/* sres_resolver_destroy(res); */
/* waits for godot */
while(1)
sleep(1);
exit(0);
}
--------------------------------8<-----------------------------------
Maybe I'm just too lazy and I should simply read the code, I'm doing
it but I'm still far from getting a good grasp of how the whole system
works.
By the way, I also noticed that the doxy documentation is scattered
through C and header files (while I'd expect it to be defined only in
the headers), is there a particular reason for this?
I should be very grateful for any hint you can provide.
Best regards.
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