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utility functions for address tools

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This commit is contained in:
Thomas Graf 2008-05-15 20:29:08 +02:00
parent 5e732ad075
commit e1cc1b859e
2 changed files with 112 additions and 0 deletions
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87
src/addr-utils.c Normal file
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/*
* 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);
}

25
src/addr-utils.h Normal file
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/*
* 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