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/* host.c
*
* Copyright 2022 Christian Hergert <chergert@redhat.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include <libdex.h>
static DexFuture *
resolve_address (gpointer user_data)
{
GResolver *resolver = g_resolver_get_default ();
const char *addr = user_data;
g_autoptr(GError) error = NULL;
g_autolist(GInetAddress) addrs = NULL;
addrs = dex_await_boxed (dex_resolver_lookup_by_name (resolver, addr), &error);
if (error != NULL)
{
g_printerr ("%s: %s\n", addr, error->message);
return NULL;
}
for (const GList *iter = addrs; iter; iter = iter->next)
{
GInetAddress *inet_address = iter->data;
g_autofree char *str = g_inet_address_to_string (inet_address);
g_print ("%s has address %s\n", addr, str);
}
return NULL;
}
static DexFuture *
quit_cb (DexFuture *completed,
gpointer user_data)
{
GMainLoop *main_loop = user_data;
g_main_loop_quit (main_loop);
return NULL;
}
int
main (int argc,
char *argv[])
{
g_autoptr(GMainLoop) main_loop = g_main_loop_new (NULL, FALSE);
g_autoptr(GPtrArray) futures = g_ptr_array_new ();
g_autoptr(DexFuture) future = NULL;
dex_init ();
if (argc < 2)
{
g_printerr ("usage: %s HOSTNAME...\n", argv[0]);
return 1;
}
for (guint i = 1; i < argc; i++)
{
const char *addr = argv[i];
g_ptr_array_add (futures,
dex_scheduler_spawn (NULL, 0, resolve_address, g_strdup (addr), g_free));
}
future = dex_future_allv ((DexFuture **)futures->pdata, futures->len);
future = dex_future_finally (future, quit_cb, main_loop, NULL);
g_main_loop_run (main_loop);
return 0;
}
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