swoole_server->sendfile

��ļ��TCP�ͻ��ӡ�ʹ��ʾ��

bool swoole_server->sendfile(int $fd, string $filename);
$serv->sendfile($fd, __DIR__.'/test.jpg');

sendfile��OS�ṩ��sendfileϵͳ��ã��ɲ��ϵͳֱ�Ӷ�ȡ�ļ��д��socket��sendfileֻ��2��ڴ濽��ʹ�ô˺��Խ��ͷ��ʹ��ļ�ʱ��ϵͳ��CPU��ڴ�ռ�á�

$filename Ҫ��͵��ļ�·��ļ��ڻ᷵��false
��ɹ��true��ʧ�ܷ��false

��ӣ�

<?php
$serv = new swoole_server("0.0.0.0", 9501);
$serv->set(array(
        'worker_num' => 2,
        'dispatch_mode' => 3,
        'daemonize' => false,
        'log_file' => '/tmp/swoole.log'
));
$serv->on('start', function($serv) {
    echo 'start',PHP_EOL;
});
$serv->on('workerStart', function($serv, $worker_id) {
    echo "server start\n";
});
$serv->on('connect', function ($serv, $fd, $from_id){
    echo "[#".posix_getpid()."]\tClient@[$fd:$from_id]: Connect.\n";
    $serv->send($fd, filesize(__DIR__.'/test.jpg'));
});
$serv->on('receive', function (swoole_server $serv, $fd, $from_id, $data) {
    echo "[#".$serv->worker_id."]\tClient[$fd]: $data\n";
    $serv->sendfile($fd, __DIR__.'/test.jpg');
    //$serv->close($fd);
});
$serv->on('close', function ($serv, $fd, $from_id) {
    echo "[#".posix_getpid()."]\tClient@[$fd:$from_id]: Close.\n";
});
$serv->start();

�˺��swoole_server->send��ͻ��˷��ݣ��ͬ��sendfile��ָ��ļ��