AsyncWebSocketClient/WebSocketClient.php at master · xhjcehust/AsyncWebSocketClient · GitHub

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<?php

require "PacketHandler.php";

class WebSocketClient {

private $client;

private $state;

private $host;

private $port;

private $handler;

private $buffer;

private $openCb;

private $messageCb;

private $closeCb;

const HANDSHAKING = 1;

const HANDSHAKED = 2;

const WEBSOCKET_OPCODE_CONTINUATION_FRAME = 0x0;

const WEBSOCKET_OPCODE_TEXT_FRAME = 0x1;

const WEBSOCKET_OPCODE_BINARY_FRAME = 0x2;

const WEBSOCKET_OPCODE_CONNECTION_CLOSE = 0x8;

const WEBSOCKET_OPCODE_PING = 0x9;

const WEBSOCKET_OPCODE_PONG = 0xa;

const TOKEN_LENGHT = 16;

public function __construct()

{

$this->client = new swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC);

$this->client->on("connect", [$this, "onConnect"]);

$this->client->on("receive", [$this, "onReceive"]);

$this->client->on("close", [$this, "onClose"]);

$this->client->on("error", [$this, "onError"]);

$this->handler = new PacketHandler();

$this->buffer = "";

}

public function connect($host, $port)

{

$this->host = $host;

$this->port = $port;

$this->client->connect($host, $port);

}

public function sendHandShake()

{

$this->state = static::HANDSHAKING;

$request = $this->handler->buildHandShakeRequest($this->host, $this->port);

$this->client->send($request);

}

public function onConnect($cli)

{

$this->sendHandShake();

}

public function onReceive($cli, $data)

{

if ($this->state == static::HANDSHAKING) {

$this->buffer .= $data;

$pos = strpos($this->buffer, "\r\n\r\n", true);

if ($pos != false) {

$header = substr($this->buffer, 0, $pos + 4);

$this->buffer = substr($this->buffer, $pos + 4);

if (true == $this->handler->verifyUpgrade($header)) {

$this->state = static::HANDSHAKED;

if (isset($this->openCb))

call_user_func($this->openCb, $this);

} else {

echo "handshake failed\n";

}

} else if ($this->state == static::HANDSHAKED) {

$this->buffer .= $data;

}

if ($this->state == static::HANDSHAKED) {

try {

$frame = $this->handler->processDataFrame($this->buffer);

} catch (\Exception $e) {

$cli->close();

return;

}

if ($frame != null) {

if (isset($this->messageCb))

call_user_func($this->messageCb, $this, $frame);

}

public function onClose($cli)

{

if (isset($this->closeCb))

call_user_func($this->closeCb, $this);

}

public function onError($cli)

{

echo "error occurred\n";

}

public function on($event, $callback)

{

if (strcasecmp($event, "open") === 0) {

$this->openCb = $callback;

} else if (strcasecmp($event, "message") === 0) {

$this->messageCb = $callback;

} else if (strcasecmp($event, "close") === 0) {

$this->closeCb = $callback;

} else {

echo "$event is not supported\n";

}

public function send($data, $type = 'text')

{

switch($type)

{

case 'text':

$_type = self::WEBSOCKET_OPCODE_TEXT_FRAME;

break;

case 'binary':

case 'bin':

$_type = self::WEBSOCKET_OPCODE_BINARY_FRAME;

break;

case 'ping':

$_type = self::WEBSOCKET_OPCODE_PING;

break;

case 'close':

$_type = self::WEBSOCKET_OPCODE_CONNECTION_CLOSE;

break;

case 'ping':

$_type = self::WEBSOCKET_OPCODE_PING;

break;

case 'pong':

$_type = self::WEBSOCKET_OPCODE_PONG;

break;

default:

echo "$type is not supported\n";

return;

}

$data = \swoole_websocket_server::pack($data, $_type);

$this->client->send($data);

}

public function getTcpClient()

{

return $this->client;

}

AsyncWebSocketClient/WebSocketClient.php at master · xhjcehust/AsyncWebSocketClient · GitHub

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