66 lines
2.1 KiB
PHP
66 lines
2.1 KiB
PHP
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<?php
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include '../vendor/autoload.php';
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use Smf\ConnectionPool\ConnectionPool;
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use Smf\ConnectionPool\Connectors\PDOConnector;
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use Swoole\Coroutine;
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Swoole\Runtime::enableCoroutine();
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go(function () {
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// All MySQL connections: [10, 30]
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$pool = new ConnectionPool(
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[
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'minActive' => 10,
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'maxActive' => 30,
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'maxWaitTime' => 5,
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'maxIdleTime' => 20,
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'idleCheckInterval' => 10,
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],
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new PDOConnector,
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[
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'dsn' => 'mysql:host=127.0.0.1;port=3306;dbname=mysql;charset=utf8mb4',
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'username' => 'root',
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'password' => 'xy123456',
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'options' => [
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\PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION,
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\PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC,
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\PDO::ATTR_TIMEOUT => 30,
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],
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]
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);
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$pool->init();
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// For debug
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$peakCount = 0;
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swoole_timer_tick(1000, function () use ($pool, &$peakCount) {
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$count = $pool->getConnectionCount();
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$idleCount = $pool->getIdleCount();
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if ($peakCount < $count) {
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$peakCount = $count;
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}
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echo "Pool connection count: $count, peak count: $peakCount, idle count: $idleCount\n";
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});
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while (true) {
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$count = mt_rand(1, 45);
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echo "Query count: $count\n";
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for ($i = 0; $i < $count; $i++) {
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go(function () use ($pool) {
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/**@var \PDO $pdo */
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$pdo = $pool->borrow();
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defer(function () use ($pool, $pdo) {
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$pool->return($pdo);
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});
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$statement = $pdo->query('show status like \'Threads_connected\'');
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$ret = $statement->fetch();
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if (!isset($ret['Variable_name'])) {
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echo "Invalid query result: \n", print_r($ret, true);
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}
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echo $ret['Variable_name'] . ': ' . $ret['Value'] . "\n";
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});
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}
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Coroutine::sleep(mt_rand(1, 15));
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}
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});
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