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/* Copyright (c) 2021, Red Hat, Inc.
*
* 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 <config.h>
#include "tests/ovstest.h"
#include "tests/test-utils.h"
#include "sort.h"
#include "util.h"
#include "ofctrl-seqno.h"
static int
test_seqno_compare(size_t a, size_t b, void *values_)
{
uint64_t *values = values_;
return values[a] == values[b] ? 0 : (values[a] < values[b] ? -1 : 1);
}
static void
test_seqno_swap(size_t a, size_t b, void *values_)
{
uint64_t *values = values_;
uint64_t tmp = values[a];
values[a] = values[b];
values[b] = tmp;
}
static void
test_dump_acked_seqnos(size_t seqno_type)
{
struct ofctrl_acked_seqnos * acked_seqnos =
ofctrl_acked_seqnos_get(seqno_type);
printf("ofctrl-seqno-type: %"PRIuSIZE"\n", seqno_type);
printf(" last-acked %"PRIu64"\n", acked_seqnos->last_acked);
size_t n_acked = vector_len(&acked_seqnos->acked);
uint64_t *acked = xmalloc(n_acked * sizeof *acked);
size_t i = 0;
/* A bit hacky but ignoring overflows the "total of all seqno + 1" should
* be a number that is not part of the acked seqnos.
*/
uint64_t total_seqno = 1;
uint64_t ack_seqno;
VECTOR_FOR_EACH (&acked_seqnos->acked, ack_seqno) {
ovs_assert(ofctrl_acked_seqnos_contains(acked_seqnos, ack_seqno));
total_seqno += ack_seqno;
acked[i++] = ack_seqno;
}
ovs_assert(!ofctrl_acked_seqnos_contains(acked_seqnos, total_seqno));
sort(n_acked, test_seqno_compare, test_seqno_swap, acked);
for (i = 0; i < n_acked; i++) {
printf(" %"PRIu64"\n", acked[i]);
}
free(acked);
ofctrl_acked_seqnos_destroy(acked_seqnos);
}
static void
test_ofctrl_seqno_add_type(struct ovs_cmdl_context *ctx)
{
unsigned int n_types;
if (!test_read_uint_value(ctx, 1, "n_types", &n_types)) {
return;
}
for (unsigned int i = 0; i < n_types; i++) {
printf("%"PRIuSIZE"\n", ofctrl_seqno_add_type());
}
ofctrl_seqno_destroy();
}
static void
test_ofctrl_seqno_ack_seqnos(struct ovs_cmdl_context *ctx)
{
unsigned int n_reqs = 0;
unsigned int shift = 2;
unsigned int n_types;
unsigned int n_acks;
bool batch_acks = !strcmp(ctx->argv[1], "true");
if (!test_read_uint_value(ctx, shift++, "n_types", &n_types)) {
return;
}
for (unsigned int i = 0; i < n_types; i++) {
ovs_assert(ofctrl_seqno_add_type() == i);
/* Read number of app specific seqnos. */
unsigned int n_app_seqnos;
if (!test_read_uint_value(ctx, shift++, "n_app_seqnos",
&n_app_seqnos)) {
return;
}
for (unsigned int j = 0; j < n_app_seqnos; j++, n_reqs++) {
unsigned long long int app_seqno;
if (!test_read_ullong_value(ctx, shift++, "app_seqno",
&app_seqno)) {
return;
}
ofctrl_seqno_update_create(i, app_seqno);
}
}
printf("ofctrl-seqno-req-cfg: %u\n", n_reqs);
if (!test_read_uint_value(ctx, shift++, "n_acks", &n_acks)) {
return;
}
for (unsigned int i = 0; i < n_acks; i++) {
unsigned long long int ack_seqno;
if (!test_read_ullong_value(ctx, shift++, "ack_seqno", &ack_seqno)) {
return;
}
ofctrl_seqno_run(ack_seqno);
if (!batch_acks) {
for (unsigned int st = 0; st < n_types; st++) {
test_dump_acked_seqnos(st);
}
}
}
if (batch_acks) {
for (unsigned int st = 0; st < n_types; st++) {
test_dump_acked_seqnos(st);
}
}
ofctrl_seqno_destroy();
}
static void
test_ofctrl_seqno_main(int argc, char *argv[])
{
set_program_name(argv[0]);
static const struct ovs_cmdl_command commands[] = {
{"ofctrl_seqno_add_type", NULL, 1, 1,
test_ofctrl_seqno_add_type, OVS_RO},
{"ofctrl_seqno_ack_seqnos", NULL, 2, INT_MAX,
test_ofctrl_seqno_ack_seqnos, OVS_RO},
{NULL, NULL, 0, 0, NULL, OVS_RO},
};
struct ovs_cmdl_context ctx;
ctx.argc = argc - 1;
ctx.argv = argv + 1;
ovs_cmdl_run_command(&ctx, commands);
}
OVSTEST_REGISTER("test-ofctrl-seqno", test_ofctrl_seqno_main);
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