用PHP实现WebSocket连接
我想用PHP连接到webSocket服务器,但由于某些原因没有成功,但显示的消息是“已连接” PHP: 和Nodejs Websocket服务器:用PHP实现WebSocket连接,php,node.js,websocket,connect,Php,Node.js,Websocket,Connect,我想用PHP连接到webSocket服务器,但由于某些原因没有成功,但显示的消息是“已连接” PHP: 和Nodejs Websocket服务器: var WebSocketServer = require("ws").Server; var http = require("http"); var express = require("express"); var app = express(); var port = process.env.PORT || 5000; a
var WebSocketServer = require("ws").Server;
var http = require("http");
var express = require("express");
var app = express();
var port = process.env.PORT || 5000;
app.use(express.static(__dirname + "/"));
var server = http.createServer(app);
server.listen(port);
var wss = new WebSocketServer({server: server});
wss.on("connection", function(ws) {
[...]
});
这项工作:
public function __construct() { }
public function __destruct()
{
$this->disconnect();
}
public function sendData($data, $type = 'text', $masked = true, $return = false)
{
if(!$this->_connected)
{
//echo "Not connected";
return false;
}
if( !is_string($data)) {
//echo "Not a string data was given.";
return false;
}
if (strlen($data) == 0)
{
return false;
}
$res = fwrite($this->_Socket, $this->_hybi10Encode($data, $type, $masked));
if($res === 0 || $res === false)
{
return false;
}
$buffer = ' ';
if($return){
while(!empty($buffer))
{
$buffer = fread($this->_Socket, 512);// drop?
}
return $buffer;
}else{
return true;
}
}
public function connect($host, $port = 80, $path = 'into.hu', $origin = true)
{
$this->_host = $host;
$this->_port = $port;
$this->_path = $path;
$this->_origin = $origin;
$key = base64_encode($this->_generateRandomString(16, false, true));
$header = "GET ws://".$host . " HTTP/1.1\r\n";
$header.= "Host: ".$host.":".$port."\r\n";
$header.= "Connection: Upgrade\r\n";
$header.= "Pragma: no-cache\r\n";
$header.= "Cache-Control: no-cache\r\n";
$header.= "Upgrade: websocket\r\n";
$header.= "Sec-WebSocket-Version: 13\r\n";
$header.= "User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36\r\n";
$header.= "Accept-Language: hu,en;q=0.8,en-US;q=0.6,en-AU;q=0.4\r\n";
$header.= "Sec-WebSocket-Key: " . $key . "\r\n";
if($origin !== false)
{
$header.= "Origin: ".$path."\r\n";
$header.= "Sec-WebSocket-Origin: " . $origin . "\r\n";
}
$header.= "Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n\r\n";
$this->_Socket = fsockopen($host, $port, $errno, $errstr, 2);
//socket_set_timeout($this->_Socket, 0, 10000);
fwrite($this->_Socket, $header);
$response = fread($this->_Socket, 200);
if(!empty($response)){
$this->_connected = true;
}
/*
preg_match('#Sec-WebSocket-Accept:\s(.*)$#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(2);
$this->_connected = false;
fclose($this->_Socket);
$this->connect($this->_host, $this->_port, $this->_path, $this->_origin);
}
private function _generateRandomString($length = 10, $addSpaces = true, $addNumbers = true)
{
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"§$%&/()=[]{}';
$useChars = array();
// select some random chars:
for($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;
}
}
$WebSocketClient = new WebsocketClient();
$WebSocketClient->connect('i[..].herokuapp.com',80,'valami.hu');
//$WebSocketClient->reconnect();
$WebSocketClient->sendData('üzenet küldés');
unset($WebSocketClient);
?>
public function\uuuu construct(){}
公共函数_udestruct()
{
$this->disconnect();
}
公共函数sendData($data,$type='text',$masked=true,$return=false)
{
如果(!$this->\u已连接)
{
//回声“未连接”;
返回false;
}
如果(!是字符串($data)){
//echo“未提供字符串数据。”;
返回false;
}
if(strlen($data)==0)
{
返回false;
}
$res=fwrite($this->_Socket,$this->_hybi10Encode($data,$type,$masked));
如果($res==0 | |$res==false)
{
返回false;
}
$buffer='';
如果($返回){
而(!空($buffer))
{
$buffer=fread($this->_Socket,512);//删除?
}
返回$buffer;
}否则{
返回true;
}
}
公共函数连接($host,$port=80,$path='into.hu',$origin=true)
{
$this->\u host=$host;
$this->_port=$port;
$this->_path=$path;
$this->_origin=$origin;
$key=base64_encode($this->_generateRandomString(16,false,true));
$header=“GET ws://”“$host.”HTTP/1.1\r\n”;
$header.=“主机:”.$Host.:“$port.”\r\n”;
$header.=“连接:升级\r\n”;
$header.=“杂注:无缓存\r\n”;
$header.=“缓存控制:无缓存\r\n”;
$header.=“升级:websocket\r\n”;
$header.=“Sec WebSocket版本:13\r\n”;
$header.=“用户代理:Mozilla/5.0(X11;Linux i686)AppleWebKit/537.36(KHTML,类似Gecko)Chrome/42.0.2311.90 Safari/537.36\r\n”;
$header.=“接受语言:hu,en;q=0.8,en-US;q=0.6,en-AU;q=0.4\r\n”;
$header.=“Sec WebSocket密钥:”.$Key.\r\n”;
如果($origin!==false)
{
$header.=“原点:”.$path.\r\n”;
$header.=“Sec WebSocket原点:”.$Origin.\r\n”;
}
$header.=“Sec WebSocket扩展:permessage deflate;客户端\u最大\u窗口\u位\r\n\r\n”;
$this->_Socket=fsockopen($host、$port、$errno、$errstr,2);
//socket\u set\u超时($this->\u socket,0,10000);
fwrite($this->\u Socket,$header);
$response=fread($this->\u Socket,200);
如果(!空($response)){
$this->_connected=true;
}
/*
preg#u match('#Sec WebSocket Accept:\s(.*)$#mU',$response,$matches);
如果($匹配){
$keyAccept=trim($matches[1]);
$expectedResonse=base64_编码(包('H*',sha1('258EAFA5-E914-47DA-95CA-C5AB0DC85B11'));
$this->_connected=($keyeaccept===$expectedResonse)?true:false;
}
*/
返回$this->\u connected;
}
公共函数checkConnection()
{
$this->_connected=false;
//发送ping:
$data='ping';
@fwrite($this->_Socket,$this->_hybi10Encode($data,'ping',true));
$response=@fread($this->\u Socket,300);
if(空($response))
{
返回false;
}
$response=$this->_hybi10Decode($response);
如果(!is_数组($response))
{
返回false;
}
如果(!isset($response['type'])| |$response['type']!=='pong')
{
返回false;
}
$this->_connected=true;
返回true;
}
公共职能()
{
$this->_connected=false;
is_资源($this->_套接字)和fclose($this->_套接字);
}
公共职能
{
睡眠(2);
$this->_connected=false;
fclose($this->\u套接字);
$this->connect($this->\u主机,$this->\u端口,$this->\u路径,$this->\u原点);
}
私有函数_generateRandomString($length=10,$addSpaces=true,$addNumbers=true)
{
$characters='abcdefghijklmnopqrstuvxyzabcdefghijklmnopqrstuvxyz!Ӥ$%&/()=[]{};
$useChars=array();
//选择一些随机字符:
对于($i=0;$i<$length;$i++)
{
$useChars[]=$characters[mt_rand(0,strlen($characters)-1)];
}
//添加空格和数字:
如果($addSpaces===true)
{
阵列推送($useChars,,'','','','','');
}
如果($addNumbers===true)
{
数组推送($useChars,rand(0,9),rand(0,9),rand(0,9));
}
洗牌($useChars);
$randomString=trim(内爆(“”,$useChars));
$randomString=substr($randomString,0,$length);
返回$randomString;
}
私有函数_hybi10Encode($payload,$type='text',$masked=true)
{
$frameHead=array();
$frame='';
$payloadLength=strlen($payloadLength);
交换机($类型)
{
案例“文本”:
//第一个字节表示FIN,文本框(10000001):
$frameHead[0]=129;
打破
案例“结束”:
//第一个字节表示FIN,闭合帧(10001000):
$frameHead[0]=136;
打破
个案"平":
//第一个字节表示FIN,Ping帧(10001001):
$frameHead[0]=137;
打破
“庞”案:
//第一个字节表示FIN、Pong帧(10001010):
$frameHead[0]=138;
打破
}
//设置掩码和有效负载长度(使用1、3或9字节)
如果($payloadLength>65535)
{
$payloadLengthBin=str_split(sprintf('%064b',$payloadLength),8);
$frameHead[1]=($masked==true)?255:127;
对于($i=0;$i<8;$i++)
{
$frameHead[$i+2]=bindec($payloadLengthBin[$i]);
}
//最高有效位必须为0(如果帧太大,请关闭连接)
如果($frameHead[2]>127)
{
$this->close(1004);
返回false;
}
}
elseif($payloadLength>125)
{
$payloadLength=str_split(sprintf('%016b',$payloadLength),8);
$frameHead[1]=($masked==true)?254:126;
$frameHead[2]=bindec($payloadLengthBin[0]);
$frameHead[3]=bindec($payloadLengthBin[1]);
}
其他的
{
$frameHead[1]=($masked==true)?$payloadLength+128:$payloadLength;
}
//将帧头转换为字符串:
foreach(数组_键($frameHead)作为$i)
{
$frameHead[$i]=chr($frameHead[$i]);
}
如果($masked==true)
{
//生成一个随机掩码:
$mask=array();
对于($i=0;$i<4;$i++)
{
$mask[$i]=chr(兰特(0255));
}
$frameHead=array\u merge($frameHead,$mask);
}
$frame=内爆(“”,$frameHead);
//将有效负载附加到帧:
$framePayload=array();
对于($i=0;$i<$payloadLength;$i++)
{
$frame.=($masked===true)?$payload[$i]^$mask[$i%4]:$payload[$i];
}
返回$frame;
}
私有函数_hybi10Decode($data)
{
$payloadLength='';
$mask='';
$unmaskedPayload='';
$decodedData=array();
//估算帧类型:
$firstByteBinary=sprintf('%08b',ord($data[0]);
$secondByteB
public function __construct() { }
public function __destruct()
{
$this->disconnect();
}
public function sendData($data, $type = 'text', $masked = true, $return = false)
{
if(!$this->_connected)
{
//echo "Not connected";
return false;
}
if( !is_string($data)) {
//echo "Not a string data was given.";
return false;
}
if (strlen($data) == 0)
{
return false;
}
$res = fwrite($this->_Socket, $this->_hybi10Encode($data, $type, $masked));
if($res === 0 || $res === false)
{
return false;
}
$buffer = ' ';
if($return){
while(!empty($buffer))
{
$buffer = fread($this->_Socket, 512);// drop?
}
return $buffer;
}else{
return true;
}
}
public function connect($host, $port = 80, $path = 'into.hu', $origin = true)
{
$this->_host = $host;
$this->_port = $port;
$this->_path = $path;
$this->_origin = $origin;
$key = base64_encode($this->_generateRandomString(16, false, true));
$header = "GET ws://".$host . " HTTP/1.1\r\n";
$header.= "Host: ".$host.":".$port."\r\n";
$header.= "Connection: Upgrade\r\n";
$header.= "Pragma: no-cache\r\n";
$header.= "Cache-Control: no-cache\r\n";
$header.= "Upgrade: websocket\r\n";
$header.= "Sec-WebSocket-Version: 13\r\n";
$header.= "User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36\r\n";
$header.= "Accept-Language: hu,en;q=0.8,en-US;q=0.6,en-AU;q=0.4\r\n";
$header.= "Sec-WebSocket-Key: " . $key . "\r\n";
if($origin !== false)
{
$header.= "Origin: ".$path."\r\n";
$header.= "Sec-WebSocket-Origin: " . $origin . "\r\n";
}
$header.= "Sec-WebSocket-Extensions: permessage-deflate; client_max_window_bits\r\n\r\n";
$this->_Socket = fsockopen($host, $port, $errno, $errstr, 2);
//socket_set_timeout($this->_Socket, 0, 10000);
fwrite($this->_Socket, $header);
$response = fread($this->_Socket, 200);
if(!empty($response)){
$this->_connected = true;
}
/*
preg_match('#Sec-WebSocket-Accept:\s(.*)$#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(2);
$this->_connected = false;
fclose($this->_Socket);
$this->connect($this->_host, $this->_port, $this->_path, $this->_origin);
}
private function _generateRandomString($length = 10, $addSpaces = true, $addNumbers = true)
{
$characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!"§$%&/()=[]{}';
$useChars = array();
// select some random chars:
for($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;
}
}
$WebSocketClient = new WebsocketClient();
$WebSocketClient->connect('i[..].herokuapp.com',80,'valami.hu');
//$WebSocketClient->reconnect();
$WebSocketClient->sendData('üzenet küldés');
unset($WebSocketClient);
?>