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/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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 02110-1335 USA */
#include <my_global.h>
#include <my_sys.h>
#include <my_pthread.h>
#include "mysql.h"
#include <my_getopt.h>
static my_bool version, verbose, tty_password= 0;
static uint thread_count,number_of_tests=1000,number_of_threads=2;
static pthread_cond_t COND_thread_count;
static pthread_mutex_t LOCK_thread_count;
static char *database,*host,*user,*password,*unix_socket,*query;
uint tcp_port;
#ifndef _WIN32
void *test_thread(void *arg __attribute__((unused)))
#else
unsigned __stdcall test_thread(void *arg __attribute__((unused)))
#endif
{
MYSQL *mysql;
uint count;
mysql=mysql_init(NULL);
if (!mysql_real_connect(mysql,host,user,password,database,tcp_port,
unix_socket,0))
{
fprintf(stderr,"Couldn't connect to engine!\n%s\n\n",mysql_error(mysql));
perror("");
goto end;
}
mysql.reconnect= 1;
if (verbose) { putchar('*'); fflush(stdout); }
for (count=0 ; count < number_of_tests ; count++)
{
MYSQL_RES *res;
if (mysql_query(mysql,query))
{
fprintf(stderr,"Query failed (%s)\n",mysql_error(mysql));
goto end;
}
if (!(res=mysql_store_result(mysql)))
{
fprintf(stderr,"Couldn't get result from %s\n", mysql_error(mysql));
goto end;
}
mysql_free_result(res);
if (verbose) { putchar('.'); fflush(stdout); }
}
end:
if (verbose) { putchar('#'); fflush(stdout); }
mysql_close(mysql);
pthread_mutex_lock(&LOCK_thread_count);
thread_count--;
pthread_cond_signal(&COND_thread_count); /* Tell main we are ready */
pthread_mutex_unlock(&LOCK_thread_count);
pthread_exit(0);
return 0;
}
static struct my_option my_long_options[] =
{
{"help", '?', "Display this help and exit", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
0, 0, 0, 0, 0},
{"database", 'D', "Database to use", &database, &database,
0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host", &host, &host, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"password", 'p',
"Password to use when connecting to server. If password is not given it's asked from the tty.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"user", 'u', "User for login if not current user", &user,
&user, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"version", 'V', "Output version information and exit",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"verbose", 'v', "Write some progress indicators", &verbose,
&verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"query", 'Q', "Query to execute in each threads", &query,
&query, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"port", 'P', "Port number to use for connection or 0 for default to, in "
"order of preference, my.cnf, $MYSQL_TCP_PORT, "
#if MYSQL_PORT_DEFAULT == 0
"/etc/services, "
#endif
"built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
&tcp_port,
&tcp_port, 0, GET_UINT, REQUIRED_ARG, MYSQL_PORT, 0, 0, 0, 0, 0},
{"socket", 'S', "Socket file to use for connection", &unix_socket,
&unix_socket, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"test-count", 'c', "Run test count times (default %d)",
&number_of_tests, &number_of_tests, 0, GET_UINT,
REQUIRED_ARG, 1000, 0, 0, 0, 0, 0},
{"thread-count", 't', "Number of threads to start",
&number_of_threads, &number_of_threads, 0, GET_UINT,
REQUIRED_ARG, 2, 0, 0, 0, 0, 0},
{ 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static const char *load_default_groups[]=
{ "client", "client-server", "client-mariadb", 0 };
static void usage()
{
printf("Connection to a mysql server with multiple threads\n");
if (version)
return;
puts("This software comes with ABSOLUTELY NO WARRANTY.\n");
printf("Usage: %s [OPTIONS] [database]\n", my_progname);
my_print_help(my_long_options);
print_defaults("my",load_default_groups);
my_print_variables(my_long_options);
printf("\nExample usage:\n\n\
%s -Q 'select * from mysql.user' -c %d -t %d\n",
my_progname, number_of_tests, number_of_threads);
}
static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
char *argument)
{
switch (optid) {
case 'p':
if (argument)
{
my_free(password);
password= my_strdup(argument, MYF(MY_FAE));
while (*argument) *argument++= 'x'; /* Destroy argument */
}
else
tty_password= 1;
break;
case 'V':
version= 1;
usage();
exit(0);
break;
case '?':
case 'I': /* Info */
usage();
exit(1);
break;
}
return 0;
}
static void get_options(int argc, char **argv)
{
int ho_error;
load_defaults_or_exit("my", load_default_groups, &argc, &argv);
if ((ho_error= handle_options(&argc, &argv, my_long_options, get_one_option)))
exit(ho_error);
free_defaults(argv);
if (tty_password)
password=my_get_tty_password(NullS);
return;
}
int main(int argc, char **argv)
{
pthread_t tid;
pthread_attr_t thr_attr;
uint i;
int error;
MY_INIT(argv[0]);
get_options(argc,argv);
if ((error=pthread_cond_init(&COND_thread_count,NULL)))
{
fprintf(stderr,"Got error: %d from pthread_cond_init (errno: %d)",
error,errno);
exit(1);
}
pthread_mutex_init(&LOCK_thread_count,MY_MUTEX_INIT_FAST);
if ((error=pthread_attr_init(&thr_attr)))
{
fprintf(stderr,"Got error: %d from pthread_attr_init (errno: %d)",
error,errno);
exit(1);
}
if ((error=pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED)))
{
fprintf(stderr,
"Got error: %d from pthread_attr_setdetachstate (errno: %d)",
error,errno);
exit(1);
}
printf("Init ok. Creating %d threads\n",number_of_threads);
for (i=1 ; i <= number_of_threads ; i++)
{
int *param= &i;
if (verbose) { putchar('+'); fflush(stdout); }
pthread_mutex_lock(&LOCK_thread_count);
if ((error=pthread_create(&tid,&thr_attr,test_thread,(void*) param)))
{
fprintf(stderr,"\nGot error: %d from pthread_create (errno: %d) when creating thread: %i\n",
error,errno,i);
pthread_mutex_unlock(&LOCK_thread_count);
exit(1);
}
thread_count++;
pthread_mutex_unlock(&LOCK_thread_count);
}
printf("Waiting for threads to finnish\n");
error=pthread_mutex_lock(&LOCK_thread_count);
while (thread_count)
{
if ((error=pthread_cond_wait(&COND_thread_count,&LOCK_thread_count)))
fprintf(stderr,"\nGot error: %d from pthread_cond_wait\n",error);
}
pthread_mutex_unlock(&LOCK_thread_count);
pthread_attr_destroy(&thr_attr);
printf("\nend\n");
my_end(0);
return 0;
exit(0);
return 0; /* Keep some compilers happy */
}
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