/**
* Parse received data
*
* @param $response
*/
private function parseData($response)
{
if (!$this->connected && isset($response['Sec-Websocket-Accept'])) {
if (base64_encode(pack('H*', sha1($this->key . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11'))) === $response['Sec-Websocket-Accept']) {
$this->connected = true;
} else {
throw new \Exception("error response key.");
}
}
return swoole_websocket_server::unpack($response);
}
public function onReceive(\swoole_client $cli, $data)
{
if ($this->_status == self::CONNECT_SUCCESS) {
if (!$this->_buffer) {
$this->_buffer = new \swoole_buffer(strlen($data));
}
if ($this->_buffer->capacity < strlen($data)) {
$this->_buffer->expand(strlen($data));
}
$this->_buffer->append($data);
while (true) {
if ($this->_recvWait) {
if ($this->_buffer->length >= $this->_bufferOffset) {
$isContinue = false;
if ($this->_buffer->length > $this->_bufferOffset) {
$data = $this->_buffer->substr(0, $this->_bufferOffset, true);
$isContinue = true;
} else {
$data = $this->_buffer->read(0, $this->_bufferOffset);
$this->_buffer->clear();
}
$recv = \swoole_websocket_server::unpack($data);
$this->_recvWait = false;
$this->_bufferOffset = 0;
$this->executeCoroutine($recv);
if (!$this->next() || !$isContinue) {
//当前中断不是websocket io中断或者buffer数据为空
break;
}
} else {
break;
}
} else {
$packageLength = $this->getPackageLength($this->_buffer);
if (!$packageLength) {
break;
}
if ($this->_buffer->capacity < $packageLength) {
$this->_buffer->expand($packageLength);
}
$this->_bufferOffset = $packageLength;
$this->_recvWait = true;
if ($this->_buffer->length < $this->_bufferOffset) {
break;
}
}
}
} else {
try {
$recv = $this->parseData($data);
if ($recv) {
$this->executeCoroutine($this);
$this->next();
}
} catch (\Exception $e) {
$this->executeCoroutine(null, $e);
$this->next();
}
}
}
