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/*
* Copyright (c) 2014 Nicira, 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.
*/
/* The mother of all test programs that links with libopevswitch.la */
#include <config.h>
#include <inttypes.h>
#include <limits.h>
#include <stdlib.h>
#include "command-line.h"
#include "ovstest.h"
#include "dynamic-string.h"
#include "util.h"
static struct command *commands = NULL;
static size_t n_commands = 0;
static size_t allocated_commands = 0;
static void
add_command(struct command *cmd)
{
const struct command nil = {NULL, 0, 0, NULL};
while (n_commands + 1 >= allocated_commands) {
commands = x2nrealloc(commands, &allocated_commands,
sizeof *cmd);
}
commands[n_commands] = *cmd;
commands[n_commands + 1] = nil;
n_commands++;
}
#define OVSTEST_USAGE \
"TEST [TESTARGS] where 'TEST' is a string, 'TESTARGS' are optional \n"\
"arguments of the TEST"
static void
flush_help_string(struct ds *ds)
{
if (ds->length > 2 ) {
ds->length -= 2;
printf ("%s\n", ds_cstr(ds));
ds_clear(ds);
}
}
static void
help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
{
const struct command *p;
struct ds test_names = DS_EMPTY_INITIALIZER;
const int linesize = 70;
printf("%s: the big test executable\n"
"usage: %s TEST [TESTARGS]\n"
"where TEST is one of the following. \n\n",
program_name, program_name);
for(p = commands; p->name != NULL; p++) {
if (*p->name != '-') { /* Skip internal commands */
ds_put_format(&test_names, "%s, ", p->name);
if ((test_names.length) >= linesize) {
flush_help_string(&test_names);
}
}
}
flush_help_string(&test_names);
ds_destroy(&test_names);
}
static void
add_top_level_commands(void)
{
struct command help_cmd = {"--help", 0, 0, help};
add_command(&help_cmd);
}
void
ovstest_register(const char *test_name, ovstest_func f)
{
struct command test_cmd;
test_cmd.name = test_name;
test_cmd.min_args = 0;
test_cmd.max_args = INT_MAX;
test_cmd.handler = f;
add_command(&test_cmd);
}
static void
cleanup(void)
{
if (allocated_commands) {
free(commands);
}
}
int
main(int argc, char *argv[])
{
set_program_name(argv[0]);
if (argc < 2) {
ovs_fatal(0, "expect test program to be specified; "
"use --help for usage");
}
add_top_level_commands();
if (argc > 1) {
run_command(argc - 1, argv + 1, commands);
}
cleanup();
return 0;
}
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