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/*
* src/lib/cls.c CLI Classifier 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) 2010-2011 Thomas Graf <tgraf@suug.ch>
*/
/**
* @ingroup cli
* @defgroup cli_cls Classifiers
* @{
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/route/cls/ematch.h>
struct rtnl_cls *nl_cli_cls_alloc(void)
{
struct rtnl_cls *cls;
if (!(cls = rtnl_cls_alloc()))
nl_cli_fatal(ENOMEM, "Unable to allocate classifier object");
return cls;
}
struct nl_cache *nl_cli_cls_alloc_cache(struct nl_sock *sock, int ifindex,
uint32_t parent)
{
struct nl_cache *cache;
int err;
if ((err = rtnl_cls_alloc_cache(sock, ifindex, parent, &cache)) < 0)
nl_cli_fatal(err, "Unable to allocate classifier cache: %s",
nl_geterror(err));
return cache;
}
void nl_cli_cls_parse_proto(struct rtnl_cls *cls, char *arg)
{
int proto;
if ((proto = nl_str2ether_proto(arg)) < 0)
nl_cli_fatal(proto, "Unknown protocol \"%s\".", arg);
rtnl_cls_set_protocol(cls, proto);
}
struct rtnl_ematch_tree *nl_cli_cls_parse_ematch(struct rtnl_cls *cls, char *arg)
{
struct rtnl_ematch_tree *tree;
char *errstr = NULL;
int err;
if ((err = rtnl_ematch_parse_expr(arg, &errstr, &tree)) < 0)
nl_cli_fatal(err, "Unable to parse ematch expression: %s",
errstr);
if (errstr)
free(errstr);
return tree;
}
/** @} */
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