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--TEST--
Persistent connections and mysqli.max_links
--SKIPIF--
<?php
require_once('skipif.inc');
require_once('skipifemb.inc');
require_once('skipifconnectfailure.inc');
require_once('table.inc');
mysqli_query($link, 'DROP USER pcontest');
mysqli_query($link, 'DROP USER pcontest@localhost');
if (!mysqli_query($link, 'CREATE USER pcontest@"%" IDENTIFIED BY "pcontest"') ||
!mysqli_query($link, 'CREATE USER pcontest@localhost IDENTIFIED BY "pcontest"')) {
printf("skip Cannot create second DB user [%d] %s", mysqli_errno($link), mysqli_error($link));
mysqli_close($link);
die("skip CREATE USER failed");
}
// we might be able to specify the host using CURRENT_USER(), but...
if (!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'%%'", $db)) ||
!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'localhost'", $db))) {
printf("skip Cannot GRANT SELECT to second DB user [%d] %s", mysqli_errno($link), mysqli_error($link));
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest');
mysqli_close($link);
die("skip GRANT failed");
}
if (!($link_pcontest = @my_mysqli_connect($host, 'pcontest', 'pcontest', $db, $port, $socket))) {
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest');
mysqli_close($link);
die("skip CONNECT using new user failed");
}
mysqli_close($link);
?>
--INI--
mysqli.allow_persistent=1
mysqli.max_persistent=2
mysqli.rollback_on_cached_plink=1
--FILE--
<?php
require_once("connect.inc");
require_once('table.inc');
if (!mysqli_query($link, 'DROP USER pcontest') ||
!mysqli_query($link, 'DROP USER pcontest@localhost') ||
!mysqli_query($link, 'CREATE USER pcontest@"%" IDENTIFIED BY "pcontest"') ||
!mysqli_query($link, 'CREATE USER pcontest@localhost IDENTIFIED BY "pcontest"') ||
!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'%%'", $db)) ||
!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'localhost'", $db))) {
printf("[000] Init failed, [%d] %s\n",
mysqli_errno($plink), mysqli_error($plink));
}
var_dump(mysqli_get_links_stats(1));
echo "Before pconnect:";
var_dump(mysqli_get_links_stats());
if (!$plink = my_mysqli_connect('p:' . $host, 'pcontest', 'pcontest', $db, $port, $socket))
printf("[001] Cannot connect using the second DB user created during SKIPIF, [%d] %s\n",
mysqli_connect_errno(), mysqli_connect_error());
echo "After pconnect:";
var_dump(mysqli_get_links_stats());
ob_start();
phpinfo();
$phpinfo = strip_tags(ob_get_contents());
ob_end_clean();
$phpinfo = substr($phpinfo, strpos($phpinfo, 'MysqlI Support => enabled'), 500);
if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
printf("[002] Cannot get # active persistent links from phpinfo()\n");
$num_plinks = $matches[1];
if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1'))
printf("[003] Cannot run query on persistent connection of second DB user, [%d] %s\n",
mysqli_errno($plink), mysqli_error($plink));
if (!$row = mysqli_fetch_assoc($res))
printf("[004] Cannot run fetch result, [%d] %s\n",
mysqli_errno($plink), mysqli_error($plink));
mysqli_free_result($res);
var_dump($row);
// change the password for the second DB user and kill the persistent connection
if (!mysqli_query($link, 'SET PASSWORD FOR pcontest = PASSWORD("newpass")') ||
!mysqli_query($link, 'FLUSH PRIVILEGES'))
printf("[005] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
// change the password for the second DB user and kill the persistent connection
if (!mysqli_query($link, 'SET PASSWORD FOR pcontest@localhost = PASSWORD("newpass")') ||
!mysqli_query($link, 'FLUSH PRIVILEGES'))
printf("[006] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
// persistent connections cannot be closed but only be killed
$pthread_id = mysqli_thread_id($plink);
if (!mysqli_query($link, sprintf('KILL %d', $pthread_id)))
printf("[007] Cannot KILL persistent connection of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
// give the server a second to really kill the thread
sleep(1);
if (!$res = mysqli_query($link, "SHOW FULL PROCESSLIST"))
printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
$running_threads = array();
while ($row = mysqli_fetch_assoc($res))
$running_threads[$row['Id']] = $row;
mysqli_free_result($res);
if (isset($running_threads[$pthread_id]))
printf("[009] Persistent connection has not been killed\n");
echo "Before second pconnect:";
var_dump(mysqli_get_links_stats());
// this fails and we have 0 (<= $num_plinks) connections
if ($plink = @my_mysqli_connect('p:' . $host, 'pcontest', 'pcontest', $db, $port, $socket))
printf("[010] Can connect using the old password, [%d] %s\n",
mysqli_connect_errno($link), mysqli_connect_error($link));
echo "After second pconnect:";
var_dump(mysqli_get_links_stats());
ob_start();
phpinfo();
$phpinfo = strip_tags(ob_get_contents());
ob_end_clean();
$phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500);
if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
printf("[010] Cannot get # of active persistent links from phpinfo()\n");
var_dump(mysqli_get_links_stats());
$num_plinks_kill = $matches[1];
$sstats = mysqli_get_links_stats();
if ($sstats['active_plinks'] != $num_plinks_kill) {
printf("[010.2] Num of active plinks differ %s %s\n", $sstats['active_plinks'], $num_plinks_kill);
}
if ($num_plinks_kill > $num_plinks)
printf("[011] Expecting Active Persistent Links < %d, got %d\n", $num_plinks, $num_plinks_kill);
if (!$plink = my_mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket))
printf("[012] Cannot connect using the new password, [%d] %s\n",
mysqli_connect_errno(), mysqli_connect_error());
if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1'))
printf("[013] Cannot run query on persistent connection of second DB user, [%d] %s\n",
mysqli_errno($plink), mysqli_error($plink));
if (!$row = mysqli_fetch_assoc($res))
printf("[014] Cannot run fetch result, [%d] %s\n",
mysqli_errno($plink), mysqli_error($plink));
mysqli_free_result($res);
var_dump($row);
if ($plink2 = my_mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket)) {
printf("[015] Can open more persistent connections than allowed, [%d] %s\n",
mysqli_connect_errno(), mysqli_connect_error());
var_dump(mysqli_get_links_stats());
}
ob_start();
phpinfo();
$phpinfo = strip_tags(ob_get_contents());
ob_end_clean();
$phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500);
if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
printf("[016] Cannot get # of active persistent links from phpinfo()\n");
$num_plinks = $matches[1];
if ($num_plinks > (int)ini_get('mysqli.max_persistent'))
printf("[017] mysqli.max_persistent=%d allows %d open connections!\n", ini_get('mysqli.max_persistent'),$num_plinks);
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
mysqli_query($link, 'DROP USER pcontest');
mysqli_close($link);
print "done!";
?>
--CLEAN--
<?php
require_once("connect.inc");
if (!$link = my_mysqli_connect($host, $user, $passwd, $db, $port, $socket))
printf("[c001] [%d] %s\n", mysqli_connect_errno(), mysqli_connect_error());
if (!mysqli_query($link, "DROP TABLE IF EXISTS test"))
printf("[c002] Cannot drop table, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest@localhost');
mysqli_query($link, 'DROP USER pcontest');
mysqli_close($link);
?>
--EXPECTF--
Warning: mysqli_get_links_stats(): no parameters expected in %s on line %d
NULL
Before pconnect:array(3) {
["total"]=>
int(1)
["active_plinks"]=>
int(0)
["cached_plinks"]=>
int(0)
}
After pconnect:array(3) {
["total"]=>
int(2)
["active_plinks"]=>
int(1)
["cached_plinks"]=>
int(0)
}
array(2) {
["id"]=>
string(1) "1"
["label"]=>
string(1) "a"
}
Before second pconnect:array(3) {
["total"]=>
int(2)
["active_plinks"]=>
int(1)
["cached_plinks"]=>
int(0)
}
Warning: main(): MySQL server has gone away in %s on line %d
Warning: main(): Error reading result set's header in %s line %d
After second pconnect:array(3) {
["total"]=>
int(1)
["active_plinks"]=>
int(0)
["cached_plinks"]=>
int(0)
}
array(3) {
["total"]=>
int(1)
["active_plinks"]=>
int(0)
["cached_plinks"]=>
int(0)
}
array(2) {
["id"]=>
string(1) "1"
["label"]=>
string(1) "a"
}
[015] Can open more persistent connections than allowed, [0]
array(3) {
["total"]=>
int(3)
["active_plinks"]=>
int(2)
["cached_plinks"]=>
int(0)
}
done!
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