/**
* Check the integrity of the package.
*
* @param string $recv_buffer
* @param TcpConnection $connection
* @return int
*/
public static function input($recv_buffer, TcpConnection $connection)
{
if (!strpos($recv_buffer, "\r\n\r\n")) {
// Judge whether the package length exceeds the limit.
if (strlen($recv_buffer) >= TcpConnection::$maxPackageSize) {
$connection->close();
return 0;
}
return 0;
}
list($header, ) = explode("\r\n\r\n", $recv_buffer, 2);
if (0 === strpos($recv_buffer, "POST")) {
// find Content-Length
$match = array();
if (preg_match("/\r\nContent-Length: ?(\\d+)/i", $header, $match)) {
$content_length = $match[1];
return $content_length + strlen($header) + 4;
} else {
return 0;
}
} elseif (0 === strpos($recv_buffer, "GET")) {
return strlen($header) + 4;
} else {
$connection->send("HTTP/1.1 400 Bad Request\r\n\r\n", true);
return 0;
}
}
/**
* @param TcpConnection $connection
* @param $data
*/
function onMessage($connection, $data)
{
//记录进入数据
MyLog::debug("[IN] [LEN] %s [USER_ID] %s [CMD] %x [body] %s ", $data['pack_len'], $data['user_id'], $data['cmd'], json_encode($data['body']));
//根据cmd进行路由
\Workerman\route\CrouteFunc::deal($data, $response);
//记录发出数据
MyLog::debug("[OUT] [USER_ID] %s [CMD] 0x%08x [RET] %s [body] %s ", $response['user_id'], $response['cmd'], $response['return_code'], json_encode($response['body']));
//返回数据
$connection->send($response);
}
/**
* Emit when http message coming.
*
* @param Connection\TcpConnection $connection
* @return void
*/
public function onMessage($connection)
{
// REQUEST_URI.
$workerman_url_info = parse_url($_SERVER['REQUEST_URI']);
if (!$workerman_url_info) {
Http::header('HTTP/1.1 400 Bad Request');
$connection->close('<h1>400 Bad Request</h1>');
return;
}
$workerman_path = isset($workerman_url_info['path']) ? $workerman_url_info['path'] : '/';
$workerman_path_info = pathinfo($workerman_path);
$workerman_file_extension = isset($workerman_path_info['extension']) ? $workerman_path_info['extension'] : '';
if ($workerman_file_extension === '') {
$workerman_path = ($len = strlen($workerman_path)) && $workerman_path[$len - 1] === '/' ? $workerman_path . 'index.php' : $workerman_path . '/index.php';
$workerman_file_extension = 'php';
}
$workerman_root_dir = isset($this->serverRoot[$_SERVER['SERVER_NAME']]) ? $this->serverRoot[$_SERVER['SERVER_NAME']] : current($this->serverRoot);
$workerman_file = "{$workerman_root_dir}/{$workerman_path}";
if ($workerman_file_extension === 'php' && !is_file($workerman_file)) {
$workerman_file = "{$workerman_root_dir}/index.php";
if (!is_file($workerman_file)) {
$workerman_file = "{$workerman_root_dir}/index.html";
$workerman_file_extension = 'html';
}
}
// File exsits.
if (is_file($workerman_file)) {
// Security check.
if (!($workerman_request_realpath = realpath($workerman_file)) || !($workerman_root_dir_realpath = realpath($workerman_root_dir)) || 0 !== strpos($workerman_request_realpath, $workerman_root_dir_realpath)) {
Http::header('HTTP/1.1 400 Bad Request');
$connection->close('<h1>400 Bad Request</h1>');
return;
}
$workerman_file = realpath($workerman_file);
// Request php file.
if ($workerman_file_extension === 'php') {
$workerman_cwd = getcwd();
chdir($workerman_root_dir);
ini_set('display_errors', 'off');
ob_start();
// Try to include php file.
try {
// $_SERVER.
$_SERVER['REMOTE_ADDR'] = $connection->getRemoteIp();
$_SERVER['REMOTE_PORT'] = $connection->getRemotePort();
include $workerman_file;
} catch (\Exception $e) {
// Jump_exit?
if ($e->getMessage() != 'jump_exit') {
echo $e;
}
}
$content = ob_get_clean();
ini_set('display_errors', 'on');
if (strtolower($_SERVER['HTTP_CONNECTION']) === "keep-alive") {
$connection->send($content);
} else {
$connection->close($content);
}
chdir($workerman_cwd);
return;
}
// Send file to client.
return self::sendFile($connection, $workerman_file);
} else {
// 404
Http::header("HTTP/1.1 404 Not Found");
$connection->close('<html><head><title>404 File not found</title></head><body><center><h3>404 Not Found</h3></center></body></html>');
return;
}
}
/**
* Websocket handshake.
*
* @param string $buffer
* @param \Workerman\Connection\TcpConnection $connection
* @return int
*/
protected static function dealHandshake($buffer, $connection)
{
// HTTP protocol.
if (0 === strpos($buffer, 'GET')) {
// Find \r\n\r\n.
$heder_end_pos = strpos($buffer, "\r\n\r\n");
if (!$heder_end_pos) {
return 0;
}
$header_length = $heder_end_pos + 4;
// Get Sec-WebSocket-Key.
$Sec_WebSocket_Key = '';
if (preg_match("/Sec-WebSocket-Key: *(.*?)\r\n/i", $buffer, $match)) {
$Sec_WebSocket_Key = $match[1];
} else {
$connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Sec-WebSocket-Key not found.<br>This is a WebSocket service and can not be accessed via HTTP.", true);
$connection->close();
return 0;
}
// Calculation websocket key.
$new_key = base64_encode(sha1($Sec_WebSocket_Key . "258EAFA5-E914-47DA-95CA-C5AB0DC85B11", true));
// Handshake response data.
$handshake_message = "HTTP/1.1 101 Switching Protocols\r\n";
$handshake_message .= "Upgrade: websocket\r\n";
$handshake_message .= "Sec-WebSocket-Version: 13\r\n";
$handshake_message .= "Connection: Upgrade\r\n";
$handshake_message .= "Server: workerman/" . Worker::VERSION . "\r\n";
$handshake_message .= "Sec-WebSocket-Accept: " . $new_key . "\r\n\r\n";
// Mark handshake complete..
$connection->websocketHandshake = true;
// Websocket data buffer.
$connection->websocketDataBuffer = '';
// Current websocket frame length.
$connection->websocketCurrentFrameLength = 0;
// Current websocket frame data.
$connection->websocketCurrentFrameBuffer = '';
// Consume handshake data.
$connection->consumeRecvBuffer($header_length);
// Send handshake response.
$connection->send($handshake_message, true);
// There are data waiting to be sent.
if (!empty($connection->tmpWebsocketData)) {
$connection->send($connection->tmpWebsocketData, true);
$connection->tmpWebsocketData = '';
}
// blob or arraybuffer
if (empty($connection->websocketType)) {
$connection->websocketType = self::BINARY_TYPE_BLOB;
}
// Try to emit onWebSocketConnect callback.
if (isset($connection->onWebSocketConnect)) {
self::parseHttpHeader($buffer);
try {
call_user_func($connection->onWebSocketConnect, $connection, $buffer);
} catch (\Exception $e) {
Worker::log($e);
exit(250);
} catch (\Error $e) {
Worker::log($e);
exit(250);
}
if (!empty($_SESSION) && class_exists('\\GatewayWorker\\Lib\\Context')) {
$connection->session = \GatewayWorker\Lib\Context::sessionEncode($_SESSION);
}
$_GET = $_SERVER = $_SESSION = $_COOKIE = array();
}
if (strlen($buffer) > $header_length) {
return self::input(substr($buffer, $header_length), $connection);
}
return 0;
} elseif (0 === strpos($buffer, '<polic')) {
$policy_xml = '<?xml version="1.0"?><cross-domain-policy><site-control permitted-cross-domain-policies="all"/><allow-access-from domain="*" to-ports="*"/></cross-domain-policy>' . "";
$connection->send($policy_xml, true);
$connection->consumeRecvBuffer(strlen($buffer));
return 0;
}
// Bad websocket handshake request.
$connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Invalid handshake data for websocket. ", true);
$connection->close();
return 0;
}
/**
* 当worker发来数据时
* @param TcpConnection $connection
* @param mixed $data
* @throws \Exception
*/
public function onWorkerMessage($connection, $data)
{
$cmd = $data['cmd'];
switch ($cmd) {
// 向某客户端发送数据，Gateway::sendToClient($client_id, $message);
case GatewayProtocol::CMD_SEND_TO_ONE:
if (isset($this->_clientConnections[$data['client_id']])) {
$this->_clientConnections[$data['client_id']]->send($data['body']);
}
break;
// 关闭客户端连接，Gateway::closeClient($client_id);
// 关闭客户端连接，Gateway::closeClient($client_id);
case GatewayProtocol::CMD_KICK:
if (isset($this->_clientConnections[$data['client_id']])) {
$this->_clientConnections[$data['client_id']]->destroy();
}
break;
// 广播, Gateway::sendToAll($message, $client_id_array)
// 广播, Gateway::sendToAll($message, $client_id_array)
case GatewayProtocol::CMD_SEND_TO_ALL:
// $client_id_array不为空时，只广播给$client_id_array指定的客户端
if ($data['ext_data']) {
$client_id_array = unpack('N*', $data['ext_data']);
foreach ($client_id_array as $client_id) {
if (isset($this->_clientConnections[$client_id])) {
$this->_clientConnections[$client_id]->send($data['body']);
}
}
} else {
foreach ($this->_clientConnections as $client_connection) {
$client_connection->send($data['body']);
}
}
break;
// 更新客户端session
// 更新客户端session
case GatewayProtocol::CMD_UPDATE_SESSION:
if (isset($this->_clientConnections[$data['client_id']])) {
$this->_clientConnections[$data['client_id']]->session = $data['ext_data'];
}
break;
// 获得客户端在线状态 Gateway::getOnlineStatus()
// 获得客户端在线状态 Gateway::getOnlineStatus()
case GatewayProtocol::CMD_GET_ONLINE_STATUS:
$online_status = json_encode(array_keys($this->_clientConnections));
$connection->send($online_status);
break;
// 判断某个client_id是否在线 Gateway::isOnline($client_id)
// 判断某个client_id是否在线 Gateway::isOnline($client_id)
case GatewayProtocol::CMD_IS_ONLINE:
$connection->send((int) isset($this->_clientConnections[$data['client_id']]));
break;
// 将client_id与uid绑定
// 将client_id与uid绑定
case GatewayProtocol::CMD_BIND_UID:
$uid = $data['ext_data'];
if (empty($uid)) {
echo "uid empty" . var_export($uid, true);
return;
}
$client_id = $data['client_id'];
if (!isset($this->_clientConnections[$client_id])) {
return;
}
$client_connection = $this->_clientConnections[$client_id];
if (!isset($client_connection->uids)) {
$client_connection->uids = array();
}
$client_connection->uids[$uid] = $uid;
$this->_uidConnections[$uid][$client_id] = $client_connection;
break;
// 发送数据给uid
// 发送数据给uid
case GatewayProtocol::CMD_SEND_TO_UID:
$uid_array = json_decode($data['ext_data'], true);
foreach ($uid_array as $uid) {
if (!empty($this->_uidConnections[$uid])) {
foreach ($this->_uidConnections[$uid] as $connection) {
$connection->send($data['body']);
}
}
}
break;
default:
$err_msg = "gateway inner pack err cmd={$cmd}";
throw new \Exception($err_msg);
}
}
/**
* This method pulls all the data out of a readable stream, and writes it to the supplied destination.
*
* @param TcpConnection $dest
* @return void
*/
public function pipe($dest)
{
$source = $this;
$this->onMessage = function ($source, $data) use($dest) {
$dest->send($data);
};
$this->onClose = function ($source) use($dest) {
$dest->destroy();
};
$dest->onBufferFull = function ($dest) use($source) {
$source->pauseRecv();
};
$dest->onBufferDrain = function ($dest) use($source) {
$source->resumeRecv();
};
}
/**
* 当worker发来数据时
* @param TcpConnection $connection
* @param mixed $data
* @throws \Exception
*/
public function onWorkerMessage($connection, $data)
{
$cmd = $data['cmd'];
switch ($cmd) {
case GatewayProtocol::CMD_WORKER_CONNECT:
$connection->remoteAddress = $connection->getRemoteIp() . ':' . $connection->getRemotePort();
$this->_workerConnections[$connection->remoteAddress] = $connection;
return;
// 向某客户端发送数据，Gateway::sendToClient($client_id, $message);
// 向某客户端发送数据，Gateway::sendToClient($client_id, $message);
case GatewayProtocol::CMD_SEND_TO_ONE:
if (isset($this->_clientConnections[$data['connection_id']])) {
$this->_clientConnections[$data['connection_id']]->send($data['body']);
}
return;
// 关闭客户端连接，Gateway::closeClient($client_id);
// 关闭客户端连接，Gateway::closeClient($client_id);
case GatewayProtocol::CMD_KICK:
if (isset($this->_clientConnections[$data['connection_id']])) {
$this->_clientConnections[$data['connection_id']]->destroy();
}
return;
// 广播, Gateway::sendToAll($message, $client_id_array)
// 广播, Gateway::sendToAll($message, $client_id_array)
case GatewayProtocol::CMD_SEND_TO_ALL:
// $client_id_array不为空时，只广播给$client_id_array指定的客户端
if ($data['ext_data']) {
$connection_id_array = unpack('N*', $data['ext_data']);
foreach ($connection_id_array as $connection_id) {
if (isset($this->_clientConnections[$connection_id])) {
$this->_clientConnections[$connection_id]->send($data['body']);
}
}
} else {
foreach ($this->_clientConnections as $client_connection) {
$client_connection->send($data['body']);
}
}
return;
// 更新客户端session
// 更新客户端session
case GatewayProtocol::CMD_UPDATE_SESSION:
if (isset($this->_clientConnections[$data['connection_id']])) {
$this->_clientConnections[$data['connection_id']]->session = $data['ext_data'];
}
return;
// 获得客户端在线状态 Gateway::getALLClientInfo()
// 获得客户端在线状态 Gateway::getALLClientInfo()
case GatewayProtocol::CMD_GET_ALL_CLIENT_INFO:
$client_info_array = array();
foreach ($this->_clientConnections as $connection_id => $client_connection) {
$client_info_array[$connection_id] = $client_connection->session;
}
$connection->send(json_encode($client_info_array) . "\n", true);
return;
// 判断某个client_id是否在线 Gateway::isOnline($client_id)
// 判断某个client_id是否在线 Gateway::isOnline($client_id)
case GatewayProtocol::CMD_IS_ONLINE:
$connection->send((int) isset($this->_clientConnections[$data['connection_id']]) . "\n", true);
return;
// 将client_id与uid绑定
// 将client_id与uid绑定
case GatewayProtocol::CMD_BIND_UID:
$uid = $data['ext_data'];
if (empty($uid)) {
echo "uid empty" . var_export($uid, true);
return;
}
$connection_id = $data['connection_id'];
if (!isset($this->_clientConnections[$connection_id])) {
return;
}
$client_connection = $this->_clientConnections[$connection_id];
if (isset($client_connection->uid)) {
$current_uid = $client_connection->uid;
unset($this->_uidConnections[$current_uid][$connection_id]);
if (empty($this->_uidConnections[$current_uid])) {
unset($this->_uidConnections[$current_uid]);
}
}
$client_connection->uid = $uid;
$this->_uidConnections[$uid][$connection_id] = $client_connection;
return;
// client_id与uid解绑 Gateway::unbindUid($client_id, $uid);
// client_id与uid解绑 Gateway::unbindUid($client_id, $uid);
case GatewayProtocol::CMD_UNBIND_UID:
$connection_id = $data['connection_id'];
if (!isset($this->_clientConnections[$connection_id])) {
return;
}
$client_connection = $this->_clientConnections[$connection_id];
if (isset($client_connection->uid)) {
$current_uid = $client_connection->uid;
unset($this->_uidConnections[$current_uid][$connection_id]);
if (empty($this->_uidConnections[$current_uid])) {
unset($this->_uidConnections[$current_uid]);
}
$client_connection->uid_info = '';
$client_connection->uid = null;
}
return;
// 发送数据给uid Gateway::sendToUid($uid, $msg);
// 发送数据给uid Gateway::sendToUid($uid, $msg);
case GatewayProtocol::CMD_SEND_TO_UID:
$uid_array = json_decode($data['ext_data'], true);
foreach ($uid_array as $uid) {
if (!empty($this->_uidConnections[$uid])) {
foreach ($this->_uidConnections[$uid] as $connection) {
$connection->send($data['body']);
}
}
}
return;
// 将$client_id加入用户组 Gateway::joinGroup($client_id, $group);
// 将$client_id加入用户组 Gateway::joinGroup($client_id, $group);
case GatewayProtocol::CMD_JOIN_GROUP:
$group = $data['ext_data'];
if (empty($group)) {
echo "group empty" . var_export($group, true);
return;
}
$connection_id = $data['connection_id'];
if (!isset($this->_clientConnections[$connection_id])) {
return;
}
$client_connection = $this->_clientConnections[$connection_id];
if (!isset($client_connection->groups)) {
$client_connection->groups = array();
}
$client_connection->groups[$group] = $group;
$this->_groupConnections[$group][$connection_id] = $client_connection;
return;
// 将$client_id从某个用户组中移除 Gateway::leaveGroup($client_id, $group);
// 将$client_id从某个用户组中移除 Gateway::leaveGroup($client_id, $group);
case GatewayProtocol::CMD_LEAVE_GROUP:
$group = $data['ext_data'];
if (empty($group)) {
echo "leave group empty" . var_export($group, true);
return;
}
$connection_id = $data['connection_id'];
if (!isset($this->_clientConnections[$connection_id])) {
return;
}
$client_connection = $this->_clientConnections[$connection_id];
if (!isset($client_connection->groups[$group])) {
return;
}
unset($client_connection->groups[$group], $this->_groupConnections[$group][$connection_id]);
return;
// 向某个用户组发送消息 Gateway::sendToGroup($group, $msg);
// 向某个用户组发送消息 Gateway::sendToGroup($group, $msg);
case GatewayProtocol::CMD_SEND_TO_GROUP:
$group_array = json_decode($data['ext_data'], true);
foreach ($group_array as $group) {
if (!empty($this->_groupConnections[$group])) {
foreach ($this->_groupConnections[$group] as $connection) {
$connection->send($data['body']);
}
}
}
return;
// 获取某用户组成员信息 Gateway::getClientInfoByGroup($group);
// 获取某用户组成员信息 Gateway::getClientInfoByGroup($group);
case GatewayProtocol::CMD_GET_CLINET_INFO_BY_GROUP:
$group = $data['ext_data'];
if (!isset($this->_groupConnections[$group])) {
$connection->send("[]\n", true);
return;
}
$client_info_array = array();
foreach ($this->_groupConnections[$group] as $connection_id => $client_connection) {
$client_info_array[$connection_id] = $client_connection->session;
}
$connection->send(json_encode($client_info_array) . "\n", true);
return;
// 获取用户组成员数 Gateway::getClientCountByGroup($group);
// 获取用户组成员数 Gateway::getClientCountByGroup($group);
case GatewayProtocol::CMD_GET_CLIENT_COUNT_BY_GROUP:
$group = $data['ext_data'];
if (!isset($this->_groupConnections[$group])) {
$connection->send("0\n", true);
return;
}
$connection->send(count($this->_groupConnections[$group]) . "\n", true);
return;
// 获取与某个uid绑定的所有client_id Gateway::getClientIdByUid($uid);
// 获取与某个uid绑定的所有client_id Gateway::getClientIdByUid($uid);
case GatewayProtocol::CMD_GET_CLIENT_ID_BY_UID:
$uid = $data['ext_data'];
if (empty($this->_uidConnections[$uid])) {
$connection->send("[]\n", true);
return;
}
$connection->send(json_encode(array_keys($this->_uidConnections[$uid])) . "\n", true);
return;
default:
$err_msg = "gateway inner pack err cmd={$cmd}";
throw new \Exception($err_msg);
}
}
/**
* Send websocket handshake.
*
* @param \Workerman\Connection\TcpConnection $connection
* @return void
*/
public static function sendHandshake($connection)
{
if (!empty($connection->handshakeStep)) {
return;
}
// Get Host.
$port = $connection->getRemotePort();
$host = $port === 80 ? $connection->getRemoteHost() : $connection->getRemoteHost() . ':' . $port;
// Handshake header.
$header = 'GET ' . $connection->getRemoteURI() . " HTTP/1.1\r\n" . "Host: {$host}\r\n" . "Connection: Upgrade\r\n" . "Upgrade: websocket\r\n" . "Origin: " . (isset($connection->websocketOrigin) ? $connection->websocketOrigin : '*') . "\r\n" . "Sec-WebSocket-Version: 13\r\n" . "Sec-WebSocket-Key: " . base64_encode(sha1(uniqid(mt_rand(), true), true)) . "\r\n\r\n";
$connection->send($header, true);
$connection->handshakeStep = 1;
$connection->websocketCurrentFrameLength = 0;
$connection->websocketDataBuffer = '';
$connection->tmpWebsocketData = '';
}
