/**
* @param $payload
* @param string $type
* @param bool $masked
* @return bool|string
*/
private function hybi10Encode($payload, $type = 'text', $masked = true)
{
$frameHead = array();
$frame = '';
$payloadLength = strlen($payload);
switch ($type) {
//文本内容
case 'text':
// first byte indicates FIN, Text-Frame (10000001):
$frameHead[0] = 129;
break;
//二进制内容
//二进制内容
case 'binary':
case 'bin':
// first byte indicates FIN, Text-Frame (10000010):
$frameHead[0] = 130;
break;
case 'close':
// first byte indicates FIN, Close Frame(10001000):
$frameHead[0] = 136;
break;
case 'ping':
// first byte indicates FIN, Ping frame (10001001):
$frameHead[0] = 137;
break;
case 'pong':
// first byte indicates FIN, Pong frame (10001010):
$frameHead[0] = 138;
break;
}
// set mask and payload length (using 1, 3 or 9 bytes)
if ($payloadLength > 65535) {
$payloadLengthBin = str_split(sprintf('%064b', $payloadLength), 8);
$frameHead[1] = $masked === true ? 255 : 127;
for ($i = 0; $i < 8; $i++) {
$frameHead[$i + 2] = bindec($payloadLengthBin[$i]);
}
// most significant bit MUST be 0 (close connection if frame too big)
if ($frameHead[2] > 127) {
$this->socket->close();
return false;
}
} elseif ($payloadLength > 125) {
$payloadLengthBin = str_split(sprintf('%016b', $payloadLength), 8);
$frameHead[1] = $masked === true ? 254 : 126;
$frameHead[2] = bindec($payloadLengthBin[0]);
$frameHead[3] = bindec($payloadLengthBin[1]);
} else {
$frameHead[1] = $masked === true ? $payloadLength + 128 : $payloadLength;
}
// convert frame-head to string:
foreach (array_keys($frameHead) as $i) {
$frameHead[$i] = chr($frameHead[$i]);
}
// generate a random mask:
$mask = array();
if ($masked === true) {
for ($i = 0; $i < 4; $i++) {
$mask[$i] = chr(rand(0, 255));
}
$frameHead = array_merge($frameHead, $mask);
}
$frame = implode('', $frameHead);
// append payload to frame:
for ($i = 0; $i < $payloadLength; $i++) {
$frame .= $masked ? $payload[$i] ^ $mask[$i % 4] : $payload[$i];
}
return $frame;
}
public function TCP($ip, $port)
{
if ($this->server) {
return $this->server;
} else {
$this->server = new swoole_server($ip, $port);
return $this->server;
}
}
public function run()
{
$this->server->on('connect', array($this, 'connect'));
$this->server->on('receive', array($this, 'receive'));
$this->server->on('close', array($this, 'close'));
$this->server->start();
}
public function connect($serv, $fd)
{
echo "Client: Connect.\n";
}
public function receive($serv, $fd, $from_id, $data)
{
$this->server->send($fd, "Server: " . $data);
}
public function close($serv, $fd)
{
echo "Client: Close.\n";
}
}
$server = new TCP('127.0.0.1', 9501);
$server->run();
