test_status_var_service_int.cc

/* Copyright (c) 2017, 2025, Oracle and/or its affiliates.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License, version 2.0,
as published by the Free Software Foundation.

This program is designed to work with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have either included with
the program or referenced in the documentation.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License, version 2.0, for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */

#include<fcntl.h>
#include<mysql/components/component_implementation.h>
#include<mysql/components/service_implementation.h>
#include<mysql/components/services/component_status_var_service.h>
#include<cstdio>
#include<cstdlib>
#include<cstring>

#include"typelib.h"

#defineMAX_BUFFER_LENGTH100
int log_text_len = 0;
char log_text[MAX_BUFFER_LENGTH];
FILE *outfile;
constchar *filename = "test_component_status_var_service_int.log";

#defineWRITE_LOG(format, lit_log_text) \
 log_text_len = sprintf(log_text, format, lit_log_text); \
if (fwrite((uchar *)log_text, sizeof(char), log_text_len, outfile) != \
static_cast<size_t>(log_text_len)) \
returntrue;

REQUIRES_SERVICE_PLACEHOLDER(status_variable_registration);

staticint int_variable_value = 4096;
staticint int_var_2_value = 2048;
staticunsignedint uint_variable_value = 0;

SHOW_VAR int_variable[] = {
 {"test_int_component.int_variable", (char *)&int_variable_value, SHOW_INT,
 SHOW_SCOPE_GLOBAL},
 {nullptr, nullptr, SHOW_UNDEF,
 SHOW_SCOPE_UNDEF} // null terminator required
};
SHOW_VAR int_var_2[] = {
 {"int_var_2", (char *)&int_var_2_value, SHOW_INT, SHOW_SCOPE_GLOBAL},
 {nullptr, nullptr, SHOW_UNDEF,
 SHOW_SCOPE_UNDEF} // null terminator required
};
SHOW_VAR uint_variable[] = {
 {"test_int_component.uint_variable", (char *)&uint_variable_value, SHOW_INT,
 SHOW_SCOPE_GLOBAL},
 {nullptr, nullptr, SHOW_UNDEF,
 SHOW_SCOPE_UNDEF} // null terminator required
};

/**
 Initialization entry method for test component. It executes the tests of
 the service.
*/
staticmysql_service_status_ttest_component_status_var_service_int_init() {
 outfile = fopen(filename, "w+");

WRITE_LOG("%s\n", "test_component_status_var_int init:");

if (mysql_service_status_variable_registration->register_variable(
 (SHOW_VAR *)&int_variable)) {
WRITE_LOG("%s\n", "int register_variable failed.");
 }

if (mysql_service_status_variable_registration->register_variable(
 (SHOW_VAR *)&int_var_2)) {
WRITE_LOG("%s\n", "int register_variable_2 failed.");
 }

if (mysql_service_status_variable_registration->register_variable(
 (SHOW_VAR *)&uint_variable)) {
WRITE_LOG("%s\n", "uint register_variable failed.");
 }

WRITE_LOG("%s\n", "test_component_status_var_int end of init:");
fclose(outfile);

returnfalse;
}

/**
 De-initialization method for Component.
*/
staticmysql_service_status_ttest_component_status_var_service_int_deinit() {
 outfile = fopen(filename, "a+");
WRITE_LOG("%s\n", "test_component_status_var_int deinit:");

if (mysql_service_status_variable_registration->unregister_variable(
 (SHOW_VAR *)&int_variable)) {
WRITE_LOG("%s\n", "int unregister_variable failed.");
 }

// Unregister status variable a second time
if (mysql_service_status_variable_registration->unregister_variable(
 (SHOW_VAR *)&int_variable)) {
WRITE_LOG("%s\n", "int unregister_variable failed.");
 }

if (mysql_service_status_variable_registration->unregister_variable(
 (SHOW_VAR *)&int_var_2)) {
WRITE_LOG("%s\n", "int unregister_variable failed.");
 }

if (mysql_service_status_variable_registration->unregister_variable(
 (SHOW_VAR *)&uint_variable)) {
WRITE_LOG("%s\n", "uint unregister_variable failed.");
 }

WRITE_LOG("%s\n", "test_component_status_var_int end of deinit:");

fclose(outfile);
returnfalse;
}

/* An empty list as no service is provided. */
BEGIN_COMPONENT_PROVIDES(test_component_status_var_service)
END_COMPONENT_PROVIDES();

/* A list of required services. */
BEGIN_COMPONENT_REQUIRES(test_component_status_var_service)
REQUIRES_SERVICE(status_variable_registration), END_COMPONENT_REQUIRES();

/* A list of metadata to describe the Component. */
BEGIN_COMPONENT_METADATA(test_component_status_var_service)
METADATA("mysql.author", "Oracle Corporation"),
 METADATA("mysql.license", "GPL"),
 METADATA("test_component_status_var_service", "1"),
 END_COMPONENT_METADATA();

/* Declaration of the Component. */
DECLARE_COMPONENT(test_component_status_var_service,
"mysql:test_component_status_var_service")
test_component_status_var_service_int_init,
 test_component_status_var_service_int_deinit END_DECLARE_COMPONENT();

/* Defines list of Components contained in this library. Note that for now
 we assume that library will have exactly one Component. */
DECLARE_LIBRARY_COMPONENTS &COMPONENT_REF(test_component_status_var_service)
 END_DECLARE_LIBRARY_COMPONENTS