//封装类，嗯，网上找的，链接地址在哪也忘了
class WebSocketClient {
private $_host;
private $_port;
private $_path;
private $_origin;
private $_Socket = null;
private $_connected = false;
public function __construct() {
}
public function __destruct() {
$this->disconnect();
}
public function sendData2($data, $type = 'text', $masked = true) {
if ($this->_connected === false) {
trigger_error("Not connected", E_USER_WARNING);
return false;
}
if (!is_string($data)) {
trigger_error("Not a string data was given.", E_USER_WARNING);
return false;
}
if (strlen($data) == 0) {
return false;
}
$res = @fwrite($this->_Socket, $this->_hybi10Encode($data, $type, $masked));
if ($res === 0 || $res === false) {
return false;
}
$buffer = ' ';
while (true) {
$buffer = fread($this->_Socket, 512);
preg_replace('# #', '', $buffer);
break;
}
return true;
}
public function sendData($data2, $type = 'text', $masked = true) {
$data = json_encode(array("TYPE" => 1, "ID" => "SERVER"));
if ($this->_connected === false) {
trigger_error("Not connected", E_USER_WARNING);
return false;
}
if (!is_string($data)) {
trigger_error("Not a string data was given.", E_USER_WARNING);
return false;
}
if (strlen($data) == 0) {
return false;
}
$res = @fwrite($this->_Socket, $this->_hybi10Encode($data, $type, $masked));
if ($res === 0 || $res === false) {
return false;
}
$buffer = ' ';
while (true) {
$buffer = fread($this->_Socket, 512);
preg_replace('# #', '', $buffer);
//创建SERVER用户，且在链接时期发送消息
if (!empty($buffer)) {
$this->sendData2($data2);
break;
}
}
return true;
}
public function connect($host, $port, $path, $origin = false) {
$this->_host = $host;
$this->_port = $port;
$this->_path = $path;
$this->_origin = $origin;
$key = base64_encode($this->_generateRandomString(16, false, true));
$header = "GET " . $path . " HTTP/1.1\r\n";
$header.= "Host: " . $host . ":" . $port . "\r\n";
$header.= "Upgrade: websocket\r\n";
$header.= "Connection: Upgrade\r\n";
//$header.= "Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n";
$header.= "Sec-WebSocket-Key: " . $key . "\r\n";
if ($origin !== false) {
$header.= "Sec-WebSocket-Origin: " . $origin . "\r\n";
}
$header.= "Sec-WebSocket-Version: 13\r\n\r\n";
$this->_Socket = fsockopen($host, $port, $errno, $errstr, 2);
socket_set_timeout($this->_Socket, 2, 10000);
//socket_write($this->_Socket, $header);
$res = @fwrite($this->_Socket, $header);
if ($res === false) {
echo "fwrite false \n";
}
$response = @fread($this->_Socket, 1500);
//$response = socket_read($this->_Socket);
preg_match('#Sec-WebSocket-Accept:\s(.*)$#mU', $response, $matches);
if ($matches) {
$keyAccept = trim($matches[1]);
$expectedResonse = base64_encode(pack('H*', sha1($key . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
$this->_connected = ($keyAccept === $expectedResonse) ? true : false;
}
return $this->_connected;
}
public function checkConnection() {
$this->_connected = false;
// send ping:
$data = 'ping?';
@fwrite($this->_Socket, $this->_hybi10Encode($data, 'ping', true));
$response = @fread($this->_Socket, 300);
if (empty($response)) {
return false;
}
$response = $this->_hybi10Decode($response);
if (!is_array($response)) {
return false;
}
if (!isset($response['type']) || $response['type'] !== 'pong') {
return false;
}
$this->_connected = true;
return true;
}
public function disconnect() {
$this->_connected = false;
is_resource($this->_Socket) and fclose($this->_Socket);
}
public function reconnect() {
sleep(10);
$this->_connected = false;
fclose($this->_Socket);
$this->connect($this->_host, $this->_port, $this->_path, $this->_origin);
}
private function _generateRandomString($length = 10, $addSpaces = true, $addNumbers = true) {
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"ยง$%&/()=[]{}';
$useChars = array();
// select some random chars:
for ($i = 0; $i < $length; $i++) {
$useChars[] = $characters[mt_rand(0, strlen($characters) - 1)];
}
// add spaces and numbers:
if ($addSpaces === true) {
array_push($useChars, ' ', ' ', ' ', ' ', ' ', ' ');
}
if ($addNumbers === true) {
array_push($useChars, rand(0, 9), rand(0, 9), rand(0, 9));
}
shuffle($useChars);
$randomString = trim(implode('', $useChars));
$randomString = substr($randomString, 0, $length);
return $randomString;
}
private function _hybi10Encode($payload, $type = 'text', $masked = true) {
$frameHead = array();
$frame = '';
$payloadLength = strlen($payload);
switch ($type) {
case 'text':
// first byte indicates FIN, Text-Frame (10000001):
$frameHead[0] = 129;
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) {
$this->close(1004);
return false;
}
} elseif ($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]);
}
if ($masked === true) {
// generate a random mask:
$mask = array();
for ($i = 0; $i < 4; $i++) {
$mask[$i] = chr(rand(0, 255));
}
$frameHead = array_merge($frameHead, $mask);
}
$frame = implode('', $frameHead);
// append payload to frame:
$framePayload = array();
for ($i = 0; $i < $payloadLength; $i++) {
$frame .= ($masked === true) ? $payload[$i] ^ $mask[$i % 4] : $payload[$i];
}
return $frame;
}
private function _hybi10Decode($data) {
$payloadLength = '';
$mask = '';
$unmaskedPayload = '';
$decodedData = array();
// estimate frame type:
$firstByteBinary = sprintf('%08b', ord($data[0]));
$secondByteBinary = sprintf('%08b', ord($data[1]));
$opcode = bindec(substr($firstByteBinary, 4, 4));
$isMasked = ($secondByteBinary[0] == '1') ? true : false;
$payloadLength = ord($data[1]) & 127;
switch ($opcode) {
// text frame:
case 1:
$decodedData['type'] = 'text';
break;
case 2:
$decodedData['type'] = 'binary';
break;
// connection close frame:
case 8:
$decodedData['type'] = 'close';
break;
// ping frame:
case 9:
$decodedData['type'] = 'ping';
break;
// pong frame:
case 10:
$decodedData['type'] = 'pong';
break;
default:
return false;
break;
}
if ($payloadLength === 126) {
$mask = substr($data, 4, 4);
$payloadOffset = 8;
$dataLength = bindec(sprintf('%08b', ord($data[2])) . sprintf('%08b', ord($data[3]))) + $payloadOffset;
} elseif ($payloadLength === 127) {
$mask = substr($data, 10, 4);
$payloadOffset = 14;
$tmp = '';
for ($i = 0; $i < 8; $i++) {
$tmp .= sprintf('%08b', ord($data[$i + 2]));
}
$dataLength = bindec($tmp) + $payloadOffset;
unset($tmp);
} else {
$mask = substr($data, 2, 4);
$payloadOffset = 6;
$dataLength = $payloadLength + $payloadOffset;
}
if ($isMasked === true) {
for ($i = $payloadOffset; $i < $dataLength; $i++) {
$j = $i - $payloadOffset;
if (isset($data[$i])) {
$unmaskedPayload .= $data[$i] ^ $mask[$j % 4];
}
}
$decodedData['payload'] = $unmaskedPayload;
} else {
$payloadOffset = $payloadOffset - 4;
$decodedData['payload'] = substr($data, $payloadOffset);
}
return $decodedData;
}
}
<font size = "+1" color = 'red'>//这里差多不就是类的引用了
</font>class WebsocketController extends Controller {
function __construct() {
parent::__construct();
}
/**
* 发送信息
* 业务逻辑
*/
function web_socket($msg) {
set_time_limit(0); //等待程序运行完
$data = $this->check_socket();
if ($data['state'] == 1) {
/**
* 数据传输
*/
$res = $this->socket_send($data['socket'], $msg);
// $this->close_socket($data['socket']); //关闭
$data = $res;
} else {
$this->data_log(date("Y-m-d H:i:s") . " {$data['msg']}");
}
return $data;
// echo json_encode($data);
}
/**
* 发送消息
*/
function socket_send($socket, $msg) {
$res['state'] = 1;
if (!socket_write($socket, $msg, strlen($msg))) {
$res['state'] = 0;
$res['msg'] = "消息发送失败";
$this->data_log(date("Y-m-d H:i:s") . " " . $res['msg']);
} else {
// $this->data_log($msg);
$res['msg'] = "发送信息成功！发送的内容为: {$msg} ";
}
// sleep(1);
return $res;
}
/**
* 检测socket可用性
*/
function check_socket($ip = "", $port = "8087") {
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP); //创建一个socket，返回套接字
$data["socket"] = $socket;
$data['state'] = 1;
if ($socket < 0) {
$data['state'] = 0;
$data['msg'] = "无法创建链接";
} else {
$result = socket_connect($socket, $ip, $port); //尝试连接 result bool
if ($result < 0) {
$data['state'] = 0;
$data['msg'] = "连接不上该端口 $ip";
}
}
return $data;
}
/**
* 关闭socket链接
*/
function close_socket($socket) {
socket_close($socket);
}
public function index($msg = '1') {
$client = new WebSocketClient();
$client->connect("IP_URL", 8087, '/');
$payload = json_encode($msg);
$rs = $client->sendData($payload);
/**
* 发送成功，添加记录
*/
if ($rs) {
$add = array(
"addtime"=>NOW_TIME,
"uptime"=>NOW_TIME,
"msg"=>$payload,
);
M("send_websocket")->add($add);
}
return $rs;
// if ($rs !== true) {
// echo "sendData error...\n";
// } else {
// echo "ok\n";
// }
}
}