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/*
* Copyright (c) 2021 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <hicn/hicn-light/config.h>
#include <hicn/core/nexthops.h>
#include <hicn/core/strategy.h>
#include <hicn/core/strategy_vft.h>
#include "random.h"
static int strategy_random_initialize(strategy_entry_t *entry,
const void *forwarder) {
srand((unsigned int)time(NULL));
entry->forwarder = forwarder;
return 0;
}
static int strategy_random_finalize(strategy_entry_t *entry) {
/* Nothing to do */
return 0;
}
static int strategy_random_add_nexthop(strategy_entry_t *entry,
nexthops_t *nexthops, off_t offset) {
/* Nothing to do */
return 0;
}
static int strategy_random_remove_nexthop(strategy_entry_t *entry,
nexthops_t *nexthops, off_t offset) {
/* Nothing to do */
return 0;
}
static nexthops_t *strategy_random_lookup_nexthops(strategy_entry_t *entry,
nexthops_t *nexthops,
const msgbuf_t *msgbuf) {
if (nexthops_get_curlen(nexthops) == 0) return nexthops;
nexthops_select(nexthops, rand() % nexthops_get_len(nexthops));
return nexthops;
}
static int strategy_random_on_data(strategy_entry_t *entry,
nexthops_t *nexthops,
const nexthops_t *data_nexthops,
const msgbuf_t *msgbuf,
Ticks pitEntryCreation, Ticks objReception) {
/* Nothing to do */
return 0;
}
static int strategy_random_on_timeout(strategy_entry_t *entry,
nexthops_t *nexthops,
const nexthops_t *timeout_nexthops) {
/* Nothing to do */
return 0;
}
DECLARE_STRATEGY(random);
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