bridge: Move bridge code into a seperate file

The bridge handling code will reused by session.c.

1 files changed, 139 insertions, 0 deletions

diff --git a/src/bridge.c b/src/bridge.c
new file mode 100644
index 00000000..da1622fa
--- /dev/null
+++ b/src/bridge.c
@@ -0,0 +1,139 @@
+/*
+ *
+ *  Connection Manager
+ *
+ *  Copyright (C) 2007-2012  Intel Corporation. All rights reserved.
+ *  Copyright (C) 2012  BMW Car IT GmbH. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  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 St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+#include <linux/sockios.h>
+#include <string.h>
+#include <fcntl.h>
+#include <linux/if_tun.h>
+
+#include "connman.h"
+
+static int set_forward_delay(const char *name, unsigned int delay)
+{
+	FILE *f;
+	char *forward_delay_path;
+
+	forward_delay_path =
+		g_strdup_printf("/sys/class/net/%s/bridge/forward_delay", name);
+
+	if (forward_delay_path == NULL)
+		return -ENOMEM;
+
+	f = fopen(forward_delay_path, "r+");
+
+	g_free(forward_delay_path);
+
+	if (f == NULL)
+		return -errno;
+
+	fprintf(f, "%d", delay);
+
+	fclose(f);
+
+	return 0;
+}
+
+int __connman_bridge_create(const char *name)
+{
+	int sk, err;
+
+	DBG("name %s", name);
+
+	sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
+	if (sk < 0)
+		return -EOPNOTSUPP;
+
+	if (ioctl(sk, SIOCBRADDBR, name) == -1) {
+		err = -errno;
+		if (err != -EEXIST)
+			return -EOPNOTSUPP;
+	}
+
+	err = set_forward_delay(name, 0);
+
+	if (err < 0)
+		ioctl(sk, SIOCBRDELBR, name);
+
+	close(sk);
+
+	return err;
+}
+
+int __connman_bridge_remove(const char *name)
+{
+	int sk, err;
+
+	DBG("name %s", name);
+
+	sk = socket(AF_INET, SOCK_STREAM | SOCK_CLOEXEC, 0);
+	if (sk < 0)
+		return -EOPNOTSUPP;
+
+	err = ioctl(sk, SIOCBRDELBR, name);
+
+	close(sk);
+
+	if (err < 0)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+int __connman_bridge_enable(const char *name, const char *broadcast,
+				const char *gateway)
+{
+	int err, index;
+
+	index = connman_inet_ifindex(name);
+	if (index < 0)
+		return index;
+
+	err = __connman_inet_modify_address(RTM_NEWADDR,
+			NLM_F_REPLACE | NLM_F_ACK, index, AF_INET,
+					gateway, NULL, 24, broadcast);
+	if (err < 0)
+		return err;
+
+	return connman_inet_ifup(index);
+}
+
+int __connman_bridge_disable(const char *name)
+{
+	int index;
+
+	index = connman_inet_ifindex(name);
+	if (index < 0)
+		return index;
+
+	return connman_inet_ifdown(index);
+}