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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2014 6WIND S.A.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <rte_common.h>
#include <rte_kvargs.h>
#include "test.h"
/* incrementd in handler, to check it is properly called once per
* key/value association */
static unsigned count;
/* this handler increment the "count" variable at each call and check
* that the key is "check" and the value is "value%d" */
static int check_handler(const char *key, const char *value,
__rte_unused void *opaque)
{
char buf[16];
/* we check that the value is "check" */
if (strcmp(key, "check"))
return -1;
/* we check that the value is "value$(count)" */
snprintf(buf, sizeof(buf), "value%d", count);
if (strncmp(buf, value, sizeof(buf)))
return -1;
count ++;
return 0;
}
/* test a valid case */
static int test_valid_kvargs(void)
{
struct rte_kvargs *kvlist;
const char *args;
const char *valid_keys_list[] = { "foo", "check", NULL };
const char **valid_keys;
/* empty args is valid */
args = "";
valid_keys = NULL;
kvlist = rte_kvargs_parse(args, valid_keys);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error");
goto fail;
}
rte_kvargs_free(kvlist);
/* first test without valid_keys */
args = "foo=1234,check=value0,check=value1";
valid_keys = NULL;
kvlist = rte_kvargs_parse(args, valid_keys);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error");
goto fail;
}
/* call check_handler() for all entries with key="check" */
count = 0;
if (rte_kvargs_process(kvlist, "check", check_handler, NULL) < 0) {
printf("rte_kvargs_process() error\n");
rte_kvargs_free(kvlist);
goto fail;
}
if (count != 2) {
printf("invalid count value %d after rte_kvargs_process(check)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
count = 0;
/* call check_handler() for all entries with key="unexistant_key" */
if (rte_kvargs_process(kvlist, "unexistant_key", check_handler, NULL) < 0) {
printf("rte_kvargs_process() error\n");
rte_kvargs_free(kvlist);
goto fail;
}
if (count != 0) {
printf("invalid count value %d after rte_kvargs_process(unexistant_key)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
/* count all entries with key="foo" */
count = rte_kvargs_count(kvlist, "foo");
if (count != 1) {
printf("invalid count value %d after rte_kvargs_count(foo)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
/* count all entries */
count = rte_kvargs_count(kvlist, NULL);
if (count != 3) {
printf("invalid count value %d after rte_kvargs_count(NULL)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
/* count all entries with key="unexistant_key" */
count = rte_kvargs_count(kvlist, "unexistant_key");
if (count != 0) {
printf("invalid count value %d after rte_kvargs_count(unexistant_key)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
rte_kvargs_free(kvlist);
/* second test using valid_keys */
args = "foo=droids,check=value0,check=value1,check=wrong_value";
valid_keys = valid_keys_list;
kvlist = rte_kvargs_parse(args, valid_keys);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error");
goto fail;
}
/* call check_handler() on all entries with key="check", it
* should fail as the value is not recognized by the handler */
if (rte_kvargs_process(kvlist, "check", check_handler, NULL) == 0) {
printf("rte_kvargs_process() is success bu should not\n");
rte_kvargs_free(kvlist);
goto fail;
}
count = rte_kvargs_count(kvlist, "check");
if (count != 3) {
printf("invalid count value %d after rte_kvargs_count(check)\n",
count);
rte_kvargs_free(kvlist);
goto fail;
}
rte_kvargs_free(kvlist);
/* third test using list as value */
args = "foo=[0,1],check=value2";
valid_keys = valid_keys_list;
kvlist = rte_kvargs_parse(args, valid_keys);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error\n");
goto fail;
}
if (strcmp(kvlist->pairs[0].value, "[0,1]") != 0) {
printf("wrong value %s", kvlist->pairs[0].value);
goto fail;
}
count = kvlist->count;
if (count != 2) {
printf("invalid count value %d\n", count);
rte_kvargs_free(kvlist);
goto fail;
}
rte_kvargs_free(kvlist);
/* test using empty string (it is valid) */
args = "";
kvlist = rte_kvargs_parse(args, NULL);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error\n");
goto fail;
}
if (rte_kvargs_count(kvlist, NULL) != 0) {
printf("invalid count value\n");
goto fail;
}
rte_kvargs_free(kvlist);
/* test using empty elements (it is valid) */
args = "foo=1,,check=value2,,";
kvlist = rte_kvargs_parse(args, NULL);
if (kvlist == NULL) {
printf("rte_kvargs_parse() error\n");
goto fail;
}
if (rte_kvargs_count(kvlist, NULL) != 2) {
printf("invalid count value\n");
goto fail;
}
if (rte_kvargs_count(kvlist, "foo") != 1) {
printf("invalid count value for 'foo'\n");
goto fail;
}
if (rte_kvargs_count(kvlist, "check") != 1) {
printf("invalid count value for 'check'\n");
goto fail;
}
rte_kvargs_free(kvlist);
return 0;
fail:
printf("while processing <%s>", args);
if (valid_keys != NULL && *valid_keys != NULL) {
printf(" using valid_keys=<%s", *valid_keys);
while (*(++valid_keys) != NULL)
printf(",%s", *valid_keys);
printf(">");
}
printf("\n");
return -1;
}
/* test several error cases */
static int test_invalid_kvargs(void)
{
struct rte_kvargs *kvlist;
/* list of argument that should fail */
const char *args_list[] = {
"wrong-key=x", /* key not in valid_keys_list */
"foo=1,foo=", /* empty value */
"foo=1,foo", /* no value */
"foo=1,=2", /* no key */
"foo=[1,2", /* no closing bracket in value */
",=", /* also test with a smiley */
"foo=[", /* no value in list and no closing bracket */
NULL };
const char **args;
const char *valid_keys_list[] = { "foo", "check", NULL };
const char **valid_keys = valid_keys_list;
for (args = args_list; *args != NULL; args++) {
kvlist = rte_kvargs_parse(*args, valid_keys);
if (kvlist != NULL) {
printf("rte_kvargs_parse() returned 0 (but should not)\n");
rte_kvargs_free(kvlist);
goto fail;
}
}
return 0;
fail:
printf("while processing <%s>", *args);
if (valid_keys != NULL && *valid_keys != NULL) {
printf(" using valid_keys=<%s", *valid_keys);
while (*(++valid_keys) != NULL)
printf(",%s", *valid_keys);
printf(">");
}
printf("\n");
return -1;
}
static int
test_kvargs(void)
{
printf("== test valid case ==\n");
if (test_valid_kvargs() < 0)
return -1;
printf("== test invalid case ==\n");
if (test_invalid_kvargs() < 0)
return -1;
return 0;
}
REGISTER_TEST_COMMAND(kvargs_autotest, test_kvargs);
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