struct GatewayProtocol
{
unsigned int pack_len,
unsigned char cmd,//命令字
unsigned int local_ip,
unsigned short local_port,
unsigned int client_ip,
unsigned short client_port,
unsigned int client_id,
unsigned char flag,
unsigned int ext_len,
char[ext_len] ext_data,
char[pack_length-HEAD_LEN] body//包体
}
/**
* 初始化
* @return void
*/
public function __construct($buffer = null)
{
if ($buffer) {
$data = self::decode($buffer);
$this->body = $data['body'];
unset($data['body']);
$this->header = $data;
} else {
if (self::$seriesId >= 65535) {
self::$seriesId = 0;
} else {
$this->header['series_id'] = self::$seriesId++;
}
}
}
/**
* 发送数据到网关
* @param string $address
* @param string $buffer
*/
protected static function sendToGateway($address, $gateway_data)
{
// 有$businessWorker说明是workerman环境，使用$businessWorker发送数据
if (self::$businessWorker) {
if (!isset(self::$businessWorker->gatewayConnections[$address])) {
return false;
}
return self::$businessWorker->gatewayConnections[$address]->send($gateway_data);
}
// 非workerman环境，使用udp发送数据
$gateway_buffer = GatewayProtocol::encode($gateway_data);
$client = stream_socket_client("udp://{$address}", $errno, $errmsg);
return strlen($gateway_buffer) == stream_socket_sendto($client, $gateway_buffer);
}
protected function sendToWorker($cmd, $socket_id, $body = '')
{
$address = $this->getRemoteAddress($socket_id);
list($client_ip, $client_port) = explode(':', $address, 2);
if (empty($client_port)) {
$this->notice(new Exception('$address empty :' . var_export($address, true)) . ' $this->connections:' . var_export($this->connections, true) . ' this->protocol:' . $this->protocol);
}
$pack = new GatewayProtocol();
$pack->header['cmd'] = $cmd;
$pack->header['local_ip'] = $this->lanIp;
$pack->header['local_port'] = $this->lanPort;
$pack->header['socket_id'] = $socket_id;
$pack->header['client_ip'] = $client_ip;
$pack->header['client_port'] = $client_ip;
$pack->header['uid'] = $this->getUidByFd($socket_id);
$pack->body = $body;
return $this->sendBufferToWorker($pack->getBuffer());
}
/**
* 踢掉某个网关的socket
* @param string $local_ip
* @param int $local_port
* @param int $socket_id
* @param string $message
* @param int $uid
*/
public static function kickAddress($local_ip, $local_port, $socket_id, $message, $uid = null)
{
$pack = new GatewayProtocol();
$pack->header['cmd'] = GatewayProtocol::CMD_KICK;
$pack->header['series_id'] = Context::$series_id > 0 ? Context::$series_id : 0;
$pack->header['local_ip'] = $local_ip;
$pack->header['local_port'] = $local_port;
$pack->header['socket_id'] = $socket_id;
if (null !== Context::$client_ip) {
$pack->header['client_ip'] = Context::$client_ip;
$pack->header['client_port'] = Context::$client_port;
}
$pack->header['uid'] = $uid ? $uid : 0;
$pack->body = $message;
return self::sendToGateway("udp://{$pack->header['local_ip']}:{$pack->header['local_port']}", $pack->getBuffer());
}
public function dealInput($recv_str)
{
return GatewayProtocol::input($recv_str);
}