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/**
* @file ln2_test.c
* @author Roman Janota <janota@cesnet.cz>
* @brief base source for libnetconf2 testing
*
* @copyright
* Copyright (c) 2024 CESNET, z.s.p.o.
*
* This source code is licensed under BSD 3-Clause License (the "License").
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*/
#define _GNU_SOURCE
#include <assert.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ln2_test.h"
int
ln2_glob_test_get_ports(int port_count, ...)
{
va_list ap;
int i, ret = 0, *port_ptr;
const char **port_str_ptr, *env;
char *env_name = NULL;
va_start(ap, port_count);
for (i = 0; i < port_count; i++) {
port_ptr = va_arg(ap, int *);
port_str_ptr = va_arg(ap, const char **);
if (asprintf(&env_name, "TEST_PORT_%d", i) == -1) {
ret = 1;
goto cleanup;
}
/* try to get the env variable, which is set by CTest */
env = getenv(env_name);
free(env_name);
if (!env) {
/* the default value will be used instead */
continue;
}
*port_ptr = atoi(env);
*port_str_ptr = env;
}
cleanup:
va_end(ap);
return ret;
}
void *
ln2_glob_test_server_thread(void *arg)
{
int ret;
NC_MSG_TYPE msgtype;
struct nc_session *session = NULL;
struct nc_pollsession *ps = NULL;
struct ln2_test_ctx *test_ctx = arg;
ps = nc_ps_new();
assert(ps);
/* wait for the client to be ready to connect */
pthread_barrier_wait(&test_ctx->barrier);
/* accept a session and add it to the poll session structure */
msgtype = nc_accept(NC_ACCEPT_TIMEOUT, test_ctx->ctx, &session);
if (msgtype != NC_MSG_HELLO) {
SETUP_FAIL_LOG;
nc_ps_free(ps);
return NULL;
}
ret = nc_ps_add_session(ps, session);
assert(!ret);
/* poll until the session is terminated by the client */
do {
ret = nc_ps_poll(ps, NC_PS_POLL_TIMEOUT, NULL);
assert(ret & NC_PSPOLL_RPC);
} while (!(ret & NC_PSPOLL_SESSION_TERM));
nc_ps_clear(ps, 1, NULL);
nc_ps_free(ps);
return NULL;
}
void *
ln2_glob_test_server_thread_fail(void *arg)
{
NC_MSG_TYPE msgtype;
struct nc_session *session = NULL;
struct ln2_test_ctx *test_ctx = arg;
/* wait for the client to be ready to connect */
pthread_barrier_wait(&test_ctx->barrier);
/* try to accept a session, but we expect it to fail */
msgtype = nc_accept(NC_ACCEPT_TIMEOUT, test_ctx->ctx, &session);
assert(msgtype == NC_MSG_ERROR);
assert(!session);
return NULL;
}
int
ln2_glob_test_setup(struct ln2_test_ctx **test_ctx)
{
int ret;
*test_ctx = calloc(1, sizeof **test_ctx);
if (!*test_ctx) {
SETUP_FAIL_LOG;
ret = 1;
goto cleanup;
}
/* set verbosity */
nc_verbosity(NC_VERB_VERBOSE);
/* initialize server */
ret = nc_server_init();
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
/* initialize client */
ret = nc_client_init();
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
/* init barrier */
ret = pthread_barrier_init(&(*test_ctx)->barrier, NULL, 2);
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
/* create libyang context */
ret = ly_ctx_new(MODULES_DIR, 0, &(*test_ctx)->ctx);
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
/* load default yang modules */
ret = nc_server_init_ctx(&(*test_ctx)->ctx);
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
ret = nc_server_config_load_modules(&(*test_ctx)->ctx);
if (ret) {
SETUP_FAIL_LOG;
goto cleanup;
}
cleanup:
return ret;
}
int
ln2_glob_test_teardown(void **state)
{
struct ln2_test_ctx *test_ctx = *state;
nc_client_destroy();
nc_server_destroy();
if (test_ctx->free_test_data) {
test_ctx->free_test_data(test_ctx->test_data);
}
pthread_barrier_destroy(&test_ctx->barrier);
ly_ctx_destroy(test_ctx->ctx);
free(test_ctx);
return 0;
}
void
ln2_glob_test_free_test_data(void *test_data)
{
free(test_data);
}
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