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executable file
·128 lines (116 loc) · 3.31 KB
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<?php
/**
* SocketLog ，WebSocket服务端，运行： php SocketLog.server.php
* github:https://github.com/luofei614/SocketLog
* @author luofei614<weibo.com/luofei614>
*/
$host = 'localhost'; //host
$port = '1229'; //port
$null=NULL;
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
socket_bind($socket, 0, $port);
socket_listen($socket);
$clients = array($socket);
while (true)
{
$changed = $clients;
socket_select($changed, $null, $null, 0, 10);
//检查新连接
if (in_array($socket, $changed))
{
$socket_new = socket_accept($socket);
$clients[] = $socket_new;
$header = socket_read($socket_new, 1024);
//握手
perform_handshaking($header, $socket_new, $host, $port);
$found_socket = array_search($socket, $changed);
unset($changed[$found_socket]);
}
foreach ($changed as $changed_socket)
{
$read='';
while(socket_recv($changed_socket, $buf, 1024,0)>0)
{
$read.=$buf;
}
if(!empty($read) && preg_match('/\[socket_log_start\]([\s\S]*)\[socket_log_end\]/',$read,$match))
{
$read=$match[1];
echo '#######get the log:'.PHP_EOL.$read.PHP_EOL.PHP_EOL;
send_message(mask($read));
}
$buf = @socket_read($changed_socket, 1024, PHP_NORMAL_READ);
if ($buf === false) {
//断开连接
$found_socket = array_search($changed_socket, $clients);
unset($clients[$found_socket]);
}
}
}
socket_close($sock);
function send_message($msg)
{
global $clients;
foreach($clients as $changed_socket)
{
@socket_write($changed_socket,$msg,strlen($msg));
}
return true;
}
//Unmask incoming framed message
function unmask($text) {
$length = ord($text[1]) & 127;
if($length == 126) {
$masks = substr($text, 4, 4);
$data = substr($text, 8);
}
elseif($length == 127) {
$masks = substr($text, 10, 4);
$data = substr($text, 14);
}
else {
$masks = substr($text, 2, 4);
$data = substr($text, 6);
}
$text = "";
for ($i = 0; $i < strlen($data); ++$i) {
$text .= $data[$i] ^ $masks[$i%4];
}
return $text;
}
function mask($text)
{
$b = 129; // FIN + text frame
$len = strlen($text);
if ($len < 126) {
return pack('CC', $b, $len) . $text;
} elseif ($len < 65536) {
return pack('CCn', $b, 126, $len) . $text;
} else {
return pack('CCNN', $b, 127, 0, $len) . $text;
}
}
function perform_handshaking($receved_header,$client_conn, $host, $port)
{
$headers = array();
$lines = preg_split("/\r\n/", $receved_header);
foreach($lines as $line)
{
$line = chop($line);
if(preg_match('/\A(\S+): (.*)\z/', $line, $matches))
{
$headers[$matches[1]] = $matches[2];
}
}
$secKey = $headers['Sec-WebSocket-Key'];
$secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
//hand shaking header
$upgrade = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
"Upgrade: websocket\r\n" .
"Connection: Upgrade\r\n" .
"WebSocket-Origin: $host\r\n" .
"WebSocket-Location: ws://$host:$port/demo/shout.php\r\n".
"Sec-WebSocket-Accept:$secAccept\r\n\r\n";
socket_write($client_conn,$upgrade,strlen($upgrade));
}