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/*
* Copyright (c) 2021-2022 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 <gtest/gtest.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>
#include <netinet/in.h>
extern "C" {
#define WITH_TESTS
#include <hicn/util/ip_address.h>
#include <hicn/config/configuration.h>
#include <hicn/core/forwarder.h>
#include <hicn/core/fib.h>
}
/*
* TODO
* - test max_size
*/
#define DEFAULT_SIZE 10
#define ARRAY_SIZE(a) ((sizeof(a) / sizeof(*(a))))
class FibTest : public ::testing::Test {
protected:
FibTest() { fib = fib_create(NULL); }
virtual ~FibTest() { fib_free(fib); }
configuration_t *configuration;
forwarder_t *forwarder;
fib_t *fib;
};
void _fib_add_prefix(fib_t *fib, const hicn_prefix_t *prefix) {
fib_entry_t *entry =
fib_entry_create(prefix, STRATEGY_TYPE_UNDEFINED, NULL, NULL);
fib_add(fib, entry);
}
#if 0
static const hicn_prefix_t p0010 = (hicn_prefix_t){
.name = {.v6 = {.as_u64 = {0x1122334455667788, 0x9900aabbccddeeff}}},
.len = 4};
#endif
#define HICN_PREFIX(P, STR) \
hicn_prefix_t P; \
hicn_ip_prefix_t _##P; \
EXPECT_EQ(hicn_ip_prefix_pton(STR, &_##P), 0); \
EXPECT_EQ(hicn_prefix_create_from_ip_prefix(&_##P, &P), 0);
/* TEST: Fib allocation and initialization */
TEST_F(FibTest, FibAddOne) {
/* Empty fib should be valid */
HICN_PREFIX(pfx, "1122:3344:5566:7788:9900:aabb:ccdd:eeff/4");
const hicn_prefix_t *empty_prefix_array[] = {};
bool empty_used_array[] = {};
EXPECT_TRUE(fib_is_valid(fib));
EXPECT_TRUE(fib_check_preorder(fib, empty_prefix_array, empty_used_array));
const hicn_prefix_t *prefix_array[] = {&pfx};
bool used_array[] = {true};
for (unsigned i = 0; i < ARRAY_SIZE(prefix_array); i++) {
if (!used_array[i]) continue;
_fib_add_prefix(fib, prefix_array[i]);
}
fib_dump(fib);
EXPECT_TRUE(fib_is_valid(fib));
EXPECT_TRUE(fib_check_preorder(fib, prefix_array, used_array));
/* Check that free indices and bitmaps are correctly updated */
}
TEST_F(FibTest, FibAddTwo) {
HICN_PREFIX(b001, "b001::/64");
HICN_PREFIX(c001, "c001::/64");
HICN_PREFIX(inner_8000_1, "8000::/1");
const hicn_prefix_t *prefix_array[] = {&b001, &inner_8000_1, &c001};
bool used_array[] = {true, false, true};
_fib_add_prefix(fib, &b001);
_fib_add_prefix(fib, &c001);
fib_dump(fib);
EXPECT_TRUE(fib_is_valid(fib));
EXPECT_TRUE(fib_check_preorder(fib, prefix_array, used_array));
}
TEST_F(FibTest, FibAddFive) {
HICN_PREFIX(b002, "b002::/64");
HICN_PREFIX(b002_abcd_0, "b002::abcd:0:0:0/128");
HICN_PREFIX(b002_2, "b002::2/128");
HICN_PREFIX(b002_abcd_1, "b002::abcd:0:0:1/128");
HICN_PREFIX(b002_3, "b002::3/128");
HICN_PREFIX(inner_b002_2, "b002::2/127");
HICN_PREFIX(inner_b002_abcd_0, "b002::abcd:0:0:0/127");
const hicn_prefix_t *prefix_array[] = {
&b002_2, &inner_b002_2, &b002_3, &b002,
&b002_abcd_0, &inner_b002_abcd_0, &b002_abcd_1};
bool used_array[] = {true, false, true, true, true, false, true};
_fib_add_prefix(fib, &b002);
_fib_add_prefix(fib, &b002_abcd_0);
_fib_add_prefix(fib, &b002_2);
_fib_add_prefix(fib, &b002_abcd_1);
_fib_add_prefix(fib, &b002_3);
fib_dump(fib);
EXPECT_TRUE(fib_is_valid(fib));
EXPECT_TRUE(fib_check_preorder(fib, prefix_array, used_array));
}
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