207 lines
6.9 KiB
C++
207 lines
6.9 KiB
C++
/* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <my_global.h>
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#include <mysql_version.h>
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#include <mysql/plugin.h>
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#include "my_sys.h" // my_write, my_malloc
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#include "m_string.h" // strlen
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#include "sql_plugin.h" // st_plugin_int
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#define STRING_BUFFER 256
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File outfile;
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struct test_services_context
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{
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my_thread_handle test_services_thread;
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};
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/* Shows status of test (Busy/READY) */
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enum t_test_status { BUSY= 0, READY= 1 };
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static t_test_status test_status;
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/* declaration of status variable for plugin */
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static struct st_mysql_show_var test_services_status[]=
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{
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{ "test_services_status",
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(char *) &test_status,
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SHOW_INT, SHOW_SCOPE_GLOBAL },
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{0, 0, SHOW_UNDEF, SHOW_SCOPE_GLOBAL}
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};
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/* SQL variables to control test execution */
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/* SQL variables to switch on/off test of services, default=on */
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/* Only be effective at start od mysqld by setting it as option --loose-... */
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static int with_snprintf_val= 0;
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static MYSQL_SYSVAR_INT (with_snprintf, with_snprintf_val , PLUGIN_VAR_RQCMDARG,
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"Switch on/off test of snprintf service", NULL, NULL, 1, 0, 1, 0);
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static int with_log_message_val= 0;
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static MYSQL_SYSVAR_INT (with_log_message, with_log_message_val, PLUGIN_VAR_RQCMDARG,
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"Switch on/off test of log message service", NULL, NULL, 1, 0, 1, 0);
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static struct st_mysql_sys_var *test_services_sysvars[]= {
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MYSQL_SYSVAR(with_snprintf),
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MYSQL_SYSVAR(with_log_message),
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NULL
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};
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/* The test cases for snprintf service. */
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int test_snprintf()
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{
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DBUG_ENTER("mysql_outfile");
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char filename[FN_REFLEN];
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char buffer[STRING_BUFFER];
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fn_format(filename, "test_services", "", ".log",
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MY_REPLACE_EXT | MY_UNPACK_FILENAME);
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unlink(filename);
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outfile= my_open(filename, O_CREAT|O_RDWR, MYF(0));
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my_snprintf(buffer, sizeof(buffer),
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"Starting test of my_snprintf in test_services_threaded.\n");
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my_write(outfile, (uchar*) buffer, strlen(buffer), MYF(0));
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my_snprintf(buffer, sizeof(buffer),
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"This is a text output of test_services_threaded formatted with my_snprintf.\n");
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my_write(outfile, (uchar*) buffer, strlen(buffer), MYF(0));
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my_snprintf(buffer, sizeof(buffer),
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"Shutting down test of my_snprintf in test_services_threaded.\n");
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my_write(outfile, (uchar*) buffer, strlen(buffer), MYF(0));
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my_close(outfile, MYF(0));
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DBUG_RETURN(0);
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}
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/* The test cases for the log_message service. */
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int test_my_plugin_log_message(void *p)
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{
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DBUG_ENTER("my_plugin_log_message");
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/* Writes to mysqld.1.err: Plugin test_services reports an info text */
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int ret = my_plugin_log_message(&p, MY_INFORMATION_LEVEL, "This is the test plugin for services");
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/* Writes to mysqld.1.err: Plugin test_services reports a warning. */
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ret = my_plugin_log_message(&p, MY_WARNING_LEVEL, "This is a warning from test plugin for services");
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/* Writes to mysqld.1.err: Plugin test_services reports an error. */
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ret = my_plugin_log_message(&p, MY_ERROR_LEVEL, "This is an error from test plugin for services");
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DBUG_RETURN(ret);
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}
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/* This fucntion is needed to be called in a thread. */
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void *test_services(void *p) {
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DBUG_ENTER("test_services");
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int ret= 0;
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test_status= BUSY;
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/* Test of service: snprintf */
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/* Log the value of the switch in mysqld.err. */
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ret = my_plugin_log_message(&p, MY_INFORMATION_LEVEL, "Test_services_threaded with_snprintf_val: %d",
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with_snprintf_val);
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if (with_snprintf_val==1){
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ret= test_snprintf();
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}
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else {
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ret = my_plugin_log_message(&p, MY_INFORMATION_LEVEL, "Test of snprintf switched off");
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}
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/* Test of service: my_plugin_log_message */
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/* Log the value of the switch in mysqld.err. */
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ret = my_plugin_log_message(&p, MY_INFORMATION_LEVEL, "Test_services_threaded with_log_message_val: %d",
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with_log_message_val);
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if (with_log_message_val==1){
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ret= test_my_plugin_log_message(p);
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}
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else {
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ret = my_plugin_log_message(&p, MY_INFORMATION_LEVEL, "Test of log_message switched off");
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}
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test_status= READY;
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if (ret != 0) {
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my_plugin_log_message(&p, MY_ERROR_LEVEL, "Test services return code: %d", ret);
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}
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DBUG_RETURN(0);
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}
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/* Creates the plugin context "con", which holds a pointer to the thread. */
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static int test_services_plugin_init(void *p)
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{
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DBUG_ENTER("test_services_plugin_init");
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int ret=0;
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struct test_services_context *con;
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my_thread_attr_t attr; /* Thread attributes */
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struct st_plugin_int *plugin= (struct st_plugin_int *)p;
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con= (struct test_services_context *)
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my_malloc(PSI_INSTRUMENT_ME,
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sizeof(struct test_services_context), MYF(0));
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my_thread_attr_init(&attr);
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(void) my_thread_attr_setdetachstate(&attr, MY_THREAD_CREATE_JOINABLE);
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/* now create the thread and call test_services within the thread. */
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if (my_thread_create(&con->test_services_thread, &attr, test_services, p) != 0)
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{
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my_plugin_log_message(&p, MY_ERROR_LEVEL, "Could not create test services thread!");
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exit(0);
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}
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plugin->data= (void *)con;
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DBUG_RETURN(ret);
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}
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/* Clean up thread and frees plugin context "con". */
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static int test_services_plugin_deinit(void *p)
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{
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DBUG_ENTER("test_services_plugin_deinit");
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void *dummy_retval;
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struct st_plugin_int *plugin= (struct st_plugin_int *)p;
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struct test_services_context *con= (struct test_services_context *)plugin->data;
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my_thread_cancel(&con->test_services_thread);
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my_thread_join(&con->test_services_thread, &dummy_retval);
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my_free(con);
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DBUG_RETURN(0);
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}
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/* Mandatory structure describing the properties of the plugin. */
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struct st_mysql_daemon test_services_plugin=
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{ MYSQL_DAEMON_INTERFACE_VERSION };
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mysql_declare_plugin(test_daemon)
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{
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MYSQL_DAEMON_PLUGIN,
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&test_services_plugin,
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"test_services_threaded",
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"Horst Hunger",
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"Test services with thread",
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PLUGIN_LICENSE_GPL,
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test_services_plugin_init, /* Plugin Init */
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test_services_plugin_deinit, /* Plugin Deinit */
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0x0100 /* 1.0 */,
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test_services_status, /* status variables */
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test_services_sysvars, /* system variables */
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NULL, /* config options */
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0, /* flags */
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}
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mysql_declare_plugin_end;
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