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/*
* src/utils.c Utilities
*
* 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) 2003-2006 Thomas Graf <tgraf@suug.ch>
*/
#include "utils.h"
#include <stdlib.h>
void fatal(int err, const char *fmt, ...)
{
va_list ap;
fprintf(stderr, "Error: ");
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
fprintf(stderr, "\n");
exit(err);
}
int nltool_init(int argc, char *argv[])
{
return 0;
}
int nltool_connect(struct nl_handle *nlh, int protocol)
{
int err;
err = nl_connect(nlh, protocol);
if (err < 0)
fatal(err, "Unable to connect netlink socket: %s",
nl_geterror());
return err;
}
struct nl_handle *nltool_alloc_handle(void)
{
struct nl_handle *sock;
if (!(sock = nl_handle_alloc()))
fatal(ENOBUFS, "Unable to allocate netlink socket");
return sock;
}
struct nl_addr *nltool_addr_parse(const char *str)
{
struct nl_addr *addr;
addr = nl_addr_parse(str, AF_UNSPEC);
if (!addr)
fprintf(stderr, "Unable to parse address \"%s\": %s\n",
str, nl_geterror());
return addr;
}
int nltool_parse_dumptype(const char *str)
{
if (!strcasecmp(str, "brief"))
return NL_DUMP_BRIEF;
else if (!strcasecmp(str, "detailed"))
return NL_DUMP_FULL;
else if (!strcasecmp(str, "stats"))
return NL_DUMP_STATS;
else if (!strcasecmp(str, "xml"))
return NL_DUMP_XML;
else if (!strcasecmp(str, "env"))
return NL_DUMP_ENV;
else {
fprintf(stderr, "Invalid dump type \"%s\".\n", str);
return -1;
}
}
struct nl_cache *nltool_alloc_link_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_link_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve link cache: %s",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_addr_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_addr_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve address cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_neigh_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_neigh_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve neighbour cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_neightbl_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_neightbl_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve neighbour table "
"cache: %s", nl_geterror());
else
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_route_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_route_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve route cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_rule_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_rule_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve rule cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_qdisc_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = rtnl_qdisc_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve qdisc cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
struct nl_cache *nltool_alloc_genl_family_cache(struct nl_handle *nlh)
{
struct nl_cache *cache;
cache = genl_ctrl_alloc_cache(nlh);
if (!cache)
fatal(nl_get_errno(), "Unable to retrieve genl family cache: %s\n",
nl_geterror());
nl_cache_mngt_provide(cache);
return cache;
}
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