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/*
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <vnet/mfib/mfib_entry_delegate.h>
#include <vnet/mfib/mfib_entry.h>
static mfib_entry_delegate_t *
mfib_entry_delegate_find_i (const mfib_entry_t *mfib_entry,
mfib_entry_delegate_type_t type,
u32 *index)
{
mfib_entry_delegate_t *delegate;
int ii;
ii = 0;
vec_foreach(delegate, mfib_entry->fe_delegates)
{
if (delegate->mfd_type == type)
{
if (NULL != index)
*index = ii;
return (delegate);
}
else
{
ii++;
}
}
return (NULL);
}
mfib_entry_delegate_t *
mfib_entry_delegate_get (const mfib_entry_t *mfib_entry,
mfib_entry_delegate_type_t type)
{
return (mfib_entry_delegate_find_i(mfib_entry, type, NULL));
}
void
mfib_entry_delegate_remove (mfib_entry_t *mfib_entry,
mfib_entry_delegate_type_t type)
{
mfib_entry_delegate_t *fed;
u32 index = ~0;
fed = mfib_entry_delegate_find_i(mfib_entry, type, &index);
ASSERT(NULL != fed);
vec_del1(mfib_entry->fe_delegates, index);
}
static int
mfib_entry_delegate_cmp_for_sort (void * v1,
void * v2)
{
mfib_entry_delegate_t *delegate1 = v1, *delegate2 = v2;
return (delegate1->mfd_type - delegate2->mfd_type);
}
static void
mfib_entry_delegate_init (mfib_entry_t *mfib_entry,
mfib_entry_delegate_type_t type)
{
mfib_entry_delegate_t delegate = {
.mfd_entry_index = mfib_entry_get_index(mfib_entry),
.mfd_type = type,
};
vec_add1(mfib_entry->fe_delegates, delegate);
vec_sort_with_function(mfib_entry->fe_delegates,
mfib_entry_delegate_cmp_for_sort);
}
mfib_entry_delegate_t *
mfib_entry_delegate_find_or_add (mfib_entry_t *mfib_entry,
mfib_entry_delegate_type_t fdt)
{
mfib_entry_delegate_t *delegate;
delegate = mfib_entry_delegate_get(mfib_entry, fdt);
if (NULL == delegate)
{
mfib_entry_delegate_init(mfib_entry, fdt);
}
return (mfib_entry_delegate_get(mfib_entry, fdt));
}
/**
* typedef for printing a delegate
*/
typedef u8 * (*mfib_entry_delegate_format_t)(const mfib_entry_delegate_t *fed,
u8 *s);
/**
* Print a delegate that represents cover tracking
*/
static u8 *
mfib_entry_delegate_fmt_covered (const mfib_entry_delegate_t *fed,
u8 *s)
{
s = format(s, "covered:[");
s = fib_node_children_format(fed->mfd_list, s);
s = format(s, "]");
return (s);
}
/**
* A delegate type to formatter map
*/
static mfib_entry_delegate_format_t fed_formatters[] =
{
[MFIB_ENTRY_DELEGATE_COVERED] = mfib_entry_delegate_fmt_covered,
};
u8 *
format_mfib_entry_deletegate (u8 * s, va_list * args)
{
mfib_entry_delegate_t *fed;
fed = va_arg (*args, mfib_entry_delegate_t *);
return (fed_formatters[fed->mfd_type](fed, s));
}
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