utility functions for address tools

2 files changed, 112 insertions, 0 deletions

diff --git a/src/addr-utils.c b/src/addr-utils.c
new file mode 100644
index 0000000..3c8ee4d
--- /dev/null
+++ b/src/addr-utils.c
@@ -0,0 +1,87 @@
+/*
+ * src/addr-utils.c     Address Helpers
+ *
+ *	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 version 2.1
+ *	of the License.
+ *
+ * Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
+ */
+
+#include "addr-utils.h"
+
+void parse_family(struct rtnl_addr *addr, char *arg)
+{
+	int family;
+
+	if ((family = nl_str2af(arg)) != AF_UNSPEC)
+		rtnl_addr_set_family(addr, family);
+}
+
+void parse_local(struct rtnl_addr *addr, char *arg)
+{
+	struct nl_addr *a;
+	int err;
+
+	a = nlt_addr_parse(arg, rtnl_addr_get_family(addr));
+	if ((err = rtnl_addr_set_local(addr, a)) < 0)
+		fatal(err, "Unable to set local address: %s",
+			nl_geterror(err));
+
+	nl_addr_put(a);
+}
+
+void parse_dev(struct rtnl_addr *addr, struct nl_cache *link_cache, char *arg)
+{
+	int ival;
+
+	if (!(ival = rtnl_link_name2i(link_cache, arg)))
+		fatal(ENOENT, "Link \"%s\" does not exist", arg);
+
+	rtnl_addr_set_ifindex(addr, ival);
+}
+
+void parse_label(struct rtnl_addr *addr, char *arg)
+{
+	int err;
+
+	if ((err = rtnl_addr_set_label(addr, arg)) < 0)
+		fatal(err, "Unable to set address label: %s", nl_geterror(err));
+}
+
+void parse_peer(struct rtnl_addr *addr, char *arg)
+{
+	struct nl_addr *a;
+	int err;
+
+	a = nlt_addr_parse(arg, rtnl_addr_get_family(addr));
+	if ((err = rtnl_addr_set_peer(addr, a)) < 0)
+		fatal(err, "Unable to set peer address: %s", nl_geterror(err));
+
+	nl_addr_put(a);
+}
+
+void parse_scope(struct rtnl_addr *addr, char *arg)
+{
+	int ival;
+
+	if ((ival = rtnl_str2scope(arg)) < 0)
+		fatal(EINVAL, "Unknown address scope \"%s\"", arg);
+
+	rtnl_addr_set_scope(addr, ival);
+}
+
+void parse_broadcast(struct rtnl_addr *addr, char *arg)
+{
+	struct nl_addr *a;
+	int err;
+
+	a = nlt_addr_parse(arg, rtnl_addr_get_family(addr));
+	if ((err = rtnl_addr_set_broadcast(addr, a)) < 0)
+		fatal(err, "Unable to set broadcast address: %s",
+			nl_geterror(err));
+
+	nl_addr_put(a);
+}
+
diff --git a/src/addr-utils.h b/src/addr-utils.h
new file mode 100644
index 0000000..0a4db23
--- /dev/null
+++ b/src/addr-utils.h
@@ -0,0 +1,25 @@
+/*
+ * src/addr-utils.h     Address Helpers
+ *
+ *	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 version 2.1
+ *	of the License.
+ *
+ * Copyright (c) 2008 Thomas Graf <tgraf@suug.ch>
+ */
+
+#ifndef __ADDR_UTILS_H_
+#define __ADDR_UTILS_H_
+
+#include "utils.h"
+
+extern void parse_family(struct rtnl_addr *, char *);
+extern void parse_local(struct rtnl_addr *, char *);
+extern void parse_dev(struct rtnl_addr *, struct nl_cache *, char *);
+extern void parse_label(struct rtnl_addr *, char *);
+extern void parse_peer(struct rtnl_addr *, char *);
+extern void parse_scope(struct rtnl_addr *, char *);
+extern void parse_broadcast(struct rtnl_addr *, char *);
+
+#endif