Swoole和Workerman对PHP与MySQL的数据高可用和数据复制的优化方法

$pool = new SwooleConnectionPool();
$pool->setConfig([
    'min' => 5,
    'max' => 10,
    'host' => 'localhost',
    'user' => 'root',
    'password' => '123456',
    'database' => 'test',
]);
$pool->init();

// 获取连接
$pool->getConnection(function ($db) {
    $db->query("SELECT * FROM user");
    // 业务逻辑处理
    // ...

    // 释放连接
    $pool->put($db);
});

$table = new SwooleTable(1024);
$table->column('id', SwooleTable::TYPE_INT);
$table->column('data', SwooleTable::TYPE_STRING, 1024);
$table->create();

$table->set('key1', ['id' => 1, 'data' => 'value1']);
$table->set('key2', ['id' => 2, 'data' => 'value2']);

$data = $table->get('key1');

require_once 'workerman/Autoloader.php';

use WorkermanWorker;

$worker = new Worker();
$worker->count = 4;

$worker->onWorkerStart = function ($worker) {
    $pdo = new PDO("mysql:host=127.0.0.1;port=3306;dbname=test", 'root', 'password');

    $worker->pdo = $pdo;
};

$worker->onMessage = function ($connection, $data) {
    $pdo = $connection->worker->pdo;
    $result = $pdo->query("SELECT * FROM user");

    // 返回查询结果
    $connection->send(json_encode($result->fetchAll(PDO::FETCH_ASSOC)));
};

Worker::runAll();

$server = new SwooleServer('127.0.0.1', 9501);

$server->on('receive', function ($server, $fd, $from_id, $data) {
    // 接收到数据，将数据写入到数据库
    $pdo = new PDO("mysql:host=127.0.0.1;port=3306;dbname=test", 'root', 'password');
    $pdo->query("INSERT INTO user (data) VALUES ('$data')");

    // 将任务放入异步任务队列
    $server->task($data);
});

$server->on('task', function ($server, $task_id, $from_id, $data) {
    // 执行异步任务，将数据传输到其他数据库
    $pdo = new PDO("mysql:host=127.0.0.1;port=3306;dbname=test", 'root', 'password');
    $pdo->query("INSERT INTO user (data) VALUES ('$data')");
});

$server->start();