Swoole が TCP プロキシ サービスの負荷分散を実装する方法

$proxy = new SwooleProxyServer('0.0.0.0', 8080, SWOOLE_PROCESS); $proxy->set( array( 'timeout' => 3, //超时时间 'heartbeat_check_interval' => 60, //心跳检测间隔 'heartbeat_idle_time' => 600, //连接空闲时间 'load_balance' => SWOOLE_PROXY_ROUNDROBIN, //负载均衡策略 'server_list' => array( array('host' => '192.168.1.1', 'port' => 8080), array('host' => '192.168.1.2', 'port' => 8080), array('host' => '192.168.1.3', 'port' => 8080), ), ) ); $proxy->run();

$client = new SwooleClient(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC); $client->set( array( 'open_length_check' => true, 'package_length_type' => 'N', 'package_length_offset' => 0, 'package_body_offset' => 4, 'package_max_length' => 2000000, //最大数据长度 ) ); $client->on('connect', function ($cli) { $cli->send("hello,world "); }); $client->on('receive', function ($cli, $data) { echo "Receive: $data"; }); $client->on('error', function ($cli) { echo "Connect failed "; }); $client->on('close', function ($cli) { echo "Connection close "; }); $client->connect('127.0.0.1', 8080, 0.5);

$proxy = new SwooleServer('0.0.0.0', 80, SWOOLE_PROCESS); $proxy->set( array( 'worker_num' => 2, //工作进程数 'daemonize' => true, //守护进程模式 'max_conn' => 10000, //最大连接数 'open_http2_protocol' => true, //启用HTTP2协议 'ssl_cert_file' => '/path/to/server.crt', //SSL证书文件 'ssl_key_file' => '/path/to/server.key', //SSL证书私钥 'ssl_verify_peer' => false, //SSL客户端验证 'ssl_allow_self_signed' => false, //允许使用自签名证书 'ssl_client_cert_file' => '/path/to/client.crt', //SSL客户端证书文件 ) ); $proxy->on('request', function ($request, $response) { $filePath = '/path/to/static/files' . $request->server['request_uri']; $contentType = getMimeType($filePath); if (is_file($filePath)) { $response->header('Content-Type', $contentType); $response->sendFile($filePath); } else { $proxy = new SwooleHttpClient('www.example.com', 80); $proxy->set( array( 'timeout' => 3, 'keep_alive' => false, ) ); $proxy->on('error', function ($cli) use ($response) { $response->statusCode(503); $response->end(); }); $proxy->on('close', function ($cli) use ($response) { $response->end(); }); $proxy->on('receive', function ($cli, $data) use ($response) { $response->header('Content-Type', 'text/html'); $response->end($data); }); $headers = array(); foreach ($request as $key => $value) { if (strpos($key, 'HTTP_') === 0) { $headers[strtolower(str_replace('_', '-', substr($key, 5)))] = $value; } } $proxy->setHeaders($headers); $proxy->execute($request->server['request_method'], $request->server['request_uri']); } }); $proxy->start();