irssi/src/core/net-nonblock.c

/*
 net-nonblock.c : Nonblocking net_connect()

    Copyright (C) 1998-2000 Timo Sirainen

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "module.h"

#include <signal.h>

#include <irssi/src/core/network.h>
#include <irssi/src/core/net-nonblock.h>

typedef struct {
	NetGethostbynameContinuationFunc cont;
	void *cont_data;
} NET_GETHOSTBYNAME_CALLBACK_DATA;

static void net_gethostbyname_callback(GResolver *resolver, GAsyncResult *result,
                                       NET_GETHOSTBYNAME_CALLBACK_DATA *data)
{
	/* GList<GInetAddress> */
	GList *ailist;
	GError *error;
	RESOLVED_IP_REC *iprec;

	error = NULL;
	ailist = g_resolver_lookup_by_name_with_flags_finish(resolver, result, &error);
	iprec = g_new0(RESOLVED_IP_REC, 1);
	if (error != NULL) {
		iprec->error = error;
	} else {
		iprec->ailist = ailist;
	}
	g_object_unref(resolver);
	resolved_ip_ref(iprec);

	data->cont(iprec, data->cont_data);
	g_free(data);
}

/* nonblocking gethostbyname() */
GCancellable *net_gethostbyname_nonblock(const char *addr, GResolverNameLookupFlags flags,
                                         NetGethostbynameContinuationFunc cont, void *cont_data)
{
	GResolver *resolver;
	GCancellable *cancellable;
	NET_GETHOSTBYNAME_CALLBACK_DATA *data;

	g_return_val_if_fail(addr != NULL, FALSE);

	resolver = g_resolver_get_default();
	cancellable = g_cancellable_new();
	data = g_new0(NET_GETHOSTBYNAME_CALLBACK_DATA, 1);
	data->cont = cont;
	data->cont_data = cont_data;
	g_resolver_lookup_by_name_with_flags_async(resolver, addr, flags, cancellable,
	                                           (GAsyncReadyCallback) net_gethostbyname_callback,
	                                           data);
	return cancellable;
}