164 lines
3.9 KiB
C
164 lines
3.9 KiB
C
/* blccc - Blinkenlights Chaos Control Center
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*
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* Copyright (c) 2001-2002 Sven Neumann <sven@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <string.h>
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#include <glib-object.h>
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#include "bltypes.h"
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#include "blaccept.h"
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#include "bllisten.h"
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static void bl_listen_class_init (BlListenClass *class);
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static void bl_listen_init (BlListen *listen);
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static void bl_listen_finalize (GObject *object);
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static GObjectClass *parent_class = NULL;
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GType
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bl_listen_get_type (void)
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{
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static GType listen_type = 0;
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if (!listen_type)
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{
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static const GTypeInfo listen_info =
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{
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sizeof (BlListenClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) bl_listen_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (BlListen),
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0, /* n_preallocs */
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(GInstanceInitFunc) bl_listen_init,
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};
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listen_type = g_type_register_static (G_TYPE_OBJECT,
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"BlListen",
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&listen_info, 0);
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}
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return listen_type;
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}
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static void
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bl_listen_class_init (BlListenClass *class)
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{
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GObjectClass *object_class;
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parent_class = g_type_class_peek_parent (class);
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object_class = G_OBJECT_CLASS (class);
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object_class->finalize = bl_listen_finalize;
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}
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static void
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bl_listen_init (BlListen *listen)
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{
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listen->sock = -1;
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listen->ccc = NULL;
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}
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static void
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bl_listen_finalize (GObject *object)
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{
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BlListen *listen;
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listen = BL_LISTEN (object);
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if (listen->sock > -1)
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{
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close (listen->sock);
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listen->sock = -1;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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BlListen *
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bl_listen_new (gint port,
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BlCcc *ccc)
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{
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BlListen *listener;
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struct sockaddr_in addr;
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gint sock;
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gint i;
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g_return_val_if_fail (port > 0, NULL);
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if ((sock = socket (PF_INET, SOCK_STREAM, IPPROTO_IP)) != -1)
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{
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i = 1;
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if ((setsockopt (sock, SOL_SOCKET, SO_REUSEADDR, &i, sizeof (i))) == -1)
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{
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close (sock);
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g_warning ("Failed to configure socket: %s", g_strerror (errno));
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return NULL;
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}
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memset (&addr, 0, sizeof (addr));
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addr.sin_family = PF_INET;
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addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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addr.sin_port = htons (port);
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if ((bind (sock, (struct sockaddr *) &addr, sizeof (addr))) == -1)
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{
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close (sock);
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g_print ("Failed to bind to socket: %s\n", g_strerror (errno));
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return NULL;
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}
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}
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else
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{
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g_warning ("Failed to open socket: %s", g_strerror (errno));
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return NULL;
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}
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if (listen (sock, 1) != 0)
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{
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g_warning ("Failed to put socket into the listening state: %s",
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g_strerror (errno));
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close (sock);
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return NULL;
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}
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listener = BL_LISTEN (g_object_new (BL_TYPE_LISTEN, NULL));
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listener->sock = sock;
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listener->ccc = ccc;
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g_object_add_weak_pointer (G_OBJECT (ccc), (gpointer *) &listener->ccc);
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g_thread_create ((GThreadFunc) bl_accept_new, listener, FALSE, NULL);
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return listener;
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}
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