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/*
* Copyright © 2014-2015 VideoLabs SAS
*
* Author: Jonathan Calmels <jbjcalmels@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <compat.h>
#include <stdio.h>
#include <signal.h>
#include <microdns/microdns.h>
#include "compat.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
volatile sig_atomic_t sigflag = 0;
static void sighandler(int signum)
{
char s[] = "SIGINT received, exiting ...\n";
ssize_t result = write(fileno(stdout), s, sizeof(s));
(void)result;
sigflag = 1;
}
static bool stop(void *p_cookie)
{
return (sigflag ? true : false);
}
static void callback(void *p_cookie, int status, const struct rr_entry *entries)
{
char err[128];
if (status < 0) {
mdns_strerror(status, err, sizeof(err));
fprintf(stderr, "error: %s\n", err);
return;
}
mdns_entries_print(entries);
}
int main(int i_argc, char *ppsz_argv[])
{
int r = 0;
char err[128];
struct mdns_ctx *ctx;
const char **ppsz_names;
int i_nb_names;
static const char *psz_default_name = "_googlecast._tcp.local";
if (i_argc > 1)
{
ppsz_names = (const char **) &ppsz_argv[1];
i_nb_names = i_argc - 1;
}
else
{
ppsz_names = &psz_default_name;
i_nb_names = 1;
}
signal(SIGINT, &sighandler);
if ((r = mdns_init(&ctx, NULL, MDNS_PORT)) < 0)
goto err;
if ((r = mdns_listen(ctx, ppsz_names, i_nb_names, RR_PTR, 10, stop,
callback, NULL)) < 0)
goto err;
err:
if (r < 0) {
mdns_strerror(r, err, sizeof(err));
fprintf(stderr, "fatal: %s\n", err);
}
mdns_destroy(ctx);
return (0);
}
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