khanat-opennel-code/code/web/public_php/tools/nel_message.php

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PHP
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2014-09-10 00:20:23 +00:00
<?php
$SockTimeOut = 10;
function debug($text)
{
// flush();
// echo $text;
}
class CMemStream
{
var $Buffer;
var $InputStream;
var $Pos;
function CMemStream ()
{
$this->InputStream = false;
$this->Pos = 0;
$this->Buffer = "";
debug("A : ".gettype($this->Buffer)."<br>");
}
function setBuffer ($Buffer)
{
$this->InputStream = true;
$this->Buffer = $Buffer;
$this->Pos = 0;
}
function isReading () { return $this->InputStream; }
function serialUInt8 (&$val)
{
if ($this->isReading())
{
$val = ord($this->Buffer{$this->Pos++});
debug(sprintf ("read uint8 '%d'<br>\n", $val));
}
else
{
debug("B".gettype($this->Buffer)."<br>");
debug(sprintf ("write uint8 Buffer size before = %u<br>\n", strlen($this->Buffer)));
$this->Buffer = $this->Buffer . chr($val & 0xFF);
$this->Pos++;
debug("C".gettype($this->Buffer)."<br>");
debug(sprintf ("write uint8 '%d' %d<br>\n", $val, $this->Pos));
debug(sprintf ("write uint8 Buffer size after = %u<br>\n", strlen($this->Buffer)));
}
}
function serialUInt32 (&$val)
{
if ($this->isReading())
{
$val = ord($this->Buffer{$this->Pos++});
$val += ord($this->Buffer{$this->Pos++})*256;
$val += ord($this->Buffer{$this->Pos++})*(double)256*256;
$val += ord($this->Buffer{$this->Pos++})*(double)256*256*256;
debug(sprintf ("read uint32 '%d'<br>\n", $val));
// var_dump($val);
}
else
{
debug("D".gettype($this->Buffer)."<br>");
$this->Buffer .= chr($val & 0xFF);
$this->Buffer .= chr(($val>>8) & 0xFF);
$this->Buffer .= chr(($val>>16) & 0xFF);
$this->Buffer .= chr(($val>>24) & 0xFF);
$this->Pos += 4;
debug("E".gettype($this->Buffer)."<br>");
debug(sprintf ("write uint32 '%d' %d<br>\n", $val, $this->Pos));
}
}
function serialString (&$val)
{
if ($this->isReading())
{
$this->serialUInt32($size);
debug(sprintf ("read string : size = %u<br>\n", $size));
$val = substr ($this->Buffer, $this->Pos, $size);
debug(sprintf ("read string '%s'<br>\n", $val));
$this->Pos += strlen($val);
}
else
{
$this->serialUInt32(strlen($val));
$this->Buffer .= $val;
$this->Pos += strlen($val);
debug(sprintf ("write string '%s' %d<br>\n", $val, $this->Pos));
}
}
function serialEnum (&$val)
{
if ($this->isReading())
{
$intValue = 0;
$this->serialUInt32($intValue);
$val->fromInt((int)$intValue);
debug(sprintf ("read enum '%s'<br>\n", $val->toString()));
}
else
{
$this->serialUInt32($val->toInt());
debug(sprintf ("write enum '%s' %d<br>\n", $val->toString(), $this->Pos));
}
}
}
class CMessage extends CMemStream
{
var $MsgName;
function CMessage()
{
$this->CMemStream();
}
function setName($name)
{
$this->MsgName = $name;
}
}
class CCallbackClient
{
var $ConSock = false;
var $MsgNum = 0;
function connect($addr, $port, &$res)
{
global $SockTimeOut;
debug(sprintf("Connect<br>"));
$this->MsgNum = 0;
$this->ConSock = fsockopen ($addr, $port, $errno, $errstr, $SockTimeOut);
debug("H".gettype($this->ConSock)."<br>");
if (!$this->ConSock)
{
$res = "Can't connect to the callback server '$addr:$port' ($errno: $errstr)";
return false;
}
else
{
// set time out on the socket to 2 secondes
stream_set_timeout($this->ConSock, $SockTimeOut);
$res = "";
return true;
}
}
function close()
{
if ($this->ConSock)
{
fclose($this->ConSock);
debug(sprintf("Close<br>"));
}
else
debug(sprintf("Already Closed !<br>"));
}
function sendMessage(&$message)
{
if (!$this->ConSock)
{
debug(sprintf ("Socket is not valid\n"));
return false;
}
debug(sprintf ("sendMessage : message Buffer is '%d'<br>\n", $message->Pos));
debug(sprintf ("sendMessage : message Buffer is '%d'<br>\n", strlen($message->Buffer)));
$hd = new CMemStream;
debug(sprintf("SendMessage number %u<br>", $this->MsgNum));
$hd->serialUInt32 ($this->MsgNum); // number the packet
$this->MsgNum += 1;
debug(sprintf("After SendMessage, number %u<br>", $this->MsgNum));
$messageType = 0;
$hd->serialUInt8 ($messageType);
$hd->serialString ($message->MsgName);
debug(sprintf ("sendMessage : header size is '%d'<br>\n", $hd->Pos));
// $sb .= $message->Buffer;
$size = $hd->Pos + $message->Pos;
$Buffer = (string) chr(($size>>24)&0xFF);
$Buffer .= chr(($size>>16)&0xFF);
$Buffer .= chr(($size>>8)&0xFF);
$Buffer .= chr($size&0xFF);
debug( "E".gettype($hd->Buffer)."<br>");
debug("F".gettype($message->Buffer)."<br>");
$Buffer .= (string) $hd->Buffer;
$Buffer .= (string) $message->Buffer;
debug("G".gettype($this->ConSock)."<br>");
if (!fwrite ($this->ConSock, $Buffer))
{
debug(sprintf ("Error writing to socket\n"));
return false;
}
debug(sprintf ("sent packet size '%d' (written size = %d) <br>\n", strlen($Buffer), $size));
fflush ($this->ConSock);
return true;
}
function waitMessage()
{
if (!$this->ConSock)
{
debug(sprintf ("Socket is not valid\n"));
return false;
}
$size = 0;
$val = fread ($this->ConSock, 1);
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
$size = ord($val) << 24;
$val = fread ($this->ConSock, 1);
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
$size = ord($val) << 16;
$val = fread ($this->ConSock, 1);
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
$size += ord($val) << 8;
$val = fread ($this->ConSock, 1);
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
$size += ord($val);
debug(sprintf ("receive packet size '%d'<br>\n", $size));
$fake = fread ($this->ConSock, 5);
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
$size -= 5; // remove the fake
$Buffer = "";
while ($size > 0 && strlen($Buffer) != $size)
{
$Buffer .= fread ($this->ConSock, $size - strlen($Buffer));
$info = stream_get_meta_data($this->ConSock);
if ($info['timed_out'])
{
debug('Connection timed out!');
return false;
}
}
$msgin = new CMemStream;
$msgin->setBuffer ($Buffer);
// decode msg name
$msgin->serialString($name);
debug(sprintf("Message name = '%s'<BR>", $name));
$message = new CMessage;
$message->setBuffer(substr($msgin->Buffer, $msgin->Pos));
$message->setName($name);
debug(sprintf("In message name = '%s'<br>", $message->MsgName));
return $message;
}
}
// class CSessionManagerProxy
// {
// function createSession($userId, $sessionType, $callbackClient)
// {
// debug(sprintf("Creating session for user %u, type %s<BR>", $userId, $sessionType));
// $msg = new CMessage;
// $msg->setName("CSS");
// $msg->serialUInt32($userId);
// $msg->serialString($sessionType);
//
// $callbackClient->sendMessage($msg);
// }
// }
// class CSessionManagerClientSkel
// {
// function waitCallback($callbackClient)
// {
// $message = $callbackClient->waitMessage();
//
// debug(sprintf("Received message '%s'<BR>", $message->MsgName));
//
// switch($message->MsgName)
// {
// case "CSSR":
// debug(sprintf("Create session result<BR>"));
// $this->createSessionResult_skel($message);
// break;
//
// case "CSNR":
// debug(sprintf("Create scenario result<BR>"));
// $this->createScenarioResult_skel($message);
// break;
// };
// }
//
// function createSessionResult_skel($message)
// {
// $userId = 0;
// $sessionId = 0;
// $result = false;
//
// $message->serialUInt32($userId);
// $message->serialUInt32($sessionId);
// $message->serialUInt8($result);
//
// createSessionResult($userId, $sessionId, $result);
// }
// }
// printf("creating callback client...<BR>");
//
// $cb = new CCallbackClient;
// $ret = "";
// $cb->connect("192.168.0.1", "8060", $ret);
//
// $smp = new CSessionManagerProxy;
//
// printf("creating a new sessions...<BR>");
// $smp->createSession(10, "st_edit", $cb);
//
// $smcs = new CSessionManagerClientSkel;
// $smcs->waitCallback($cb);
//
//
// function createSessionResult($userId, $sessionId, $result)
// {
// echo "The session result for user $userId is the session $sessionId with a result of $result\n";
// }
//
// This function connect to the AS.
// If true, $res contains the url to connect.
// If false, $res contains the reason why it s not okay.
// function connectToAS(&$fp, &$res)
// {
// global $ASHost, $ASPort;
///*
// $sid = session_id();
// $result = sqlquery("SELECT socket_id FROM resident_socket");
// if (!$result || sqlnumrows($result) == 0)
// {
// $fp = pfsockopen ($ASHost, $ASPort, $errno, $errstr, 30);
// echo "opened resident socket '$fp'\n";
//
// $result = sqlquery("SELECT socket_id FROM resident_socket WHERE socket_id='$fp'");
// if ($result && sqlnumrows($result)>0)
// sqlquery("DELETE FROM resident_socket WHERE socket_id='$fp'");
//
// sqlquery("INSERT INTO resident_socket SET socket_id='$fp', session_id='$sid', last_access=NOW()");
// }
// else
// {
// $result = sqlfetch($result);
// $fp = $result["socket_id"];
// }
//
// // remove too old sockets
// sqlquery("SELECT socket_id FROM resident_socket WHERE NOW()-last_access > 1800");
// while ($result && ($arr=sqlfetch($result)))
// {
// fclose((int)($arr["socket_id"]));
// sqlquery("DELETE FROM resident_socket WHERE socket_id='".$arr["socket_id"]."'");
// }
//
// // update current socket last access
// sqlquery("UPDATE resident_socket SET last_access=NOW() WHERE socket_id='$fp' AND session_id='$sid'");
//*/
//
// // connect to the login service that must be $ASHost:$ASPort
// $fp = fsockopen ($ASHost, $ASPort, $errno, $errstr, 30);
// if (!$fp)
// {
// $res = "Can't connect to the admin service '$ASHost:$ASPort' ($errno: $errstr)";
// }
// else
// {
// $res = "";
// }
//
// }
//
// function disconnectFromAS(&$fp)
// {
///*
// $result = sqlquery("SELECT socket_id FROM resident_socket WHERE socket_id='$fp'");
// if (!$result || sqlnumrows($socket)==0)
// fclose($fp);
//*/
// fclose($fp);
// }
//
// function sendMessage ($fp, $msgout)
// {
// $size = $msgout->Pos;
// $Buffer = chr(($size>>24)&0xFF);
// $Buffer .= chr(($size>>16)&0xFF);
// $Buffer .= chr(($size>>8)&0xFF);
// $Buffer .= chr($size&0xFF);
// $Buffer .= $msgout->Buffer;
//
// fwrite ($fp, $Buffer);
//
// //printf ("sent packet size '%d'<br>", strlen($Buffer));
//
// fflush ($fp);
// }
//
// function waitMessage ($fp, &$msgin)
// {
// //echo "waiting a message";
// $size = 0;
// $val = fread ($fp, 1);
// $size = ord($val) << 24;
// $val = fread ($fp, 1);
// $size = ord($val) << 16;
// $val = fread ($fp, 1);
// $size += ord($val) << 8;
// $val = fread ($fp, 1);
// $size += ord($val);
// //printf ("receive packet size '%d'<br>", $size);
// $fake = fread ($fp, 4);
// $size -= 4; // remove the fake
//
// $Buffer = fread ($fp, $size);
// $msgin = new CMemStream;
// $msgin->setBuffer ($Buffer);
// }
//
// function logNelQuery($query)
// {
// global $uid;
///*
// $f = fopen("./nel_queries.log", "a");
// fwrite($f, date("Y/m/d H:i:s")." ".sprintf("%-16s", $admlogin)." $query\n");
// fclose($f);
//*/
//
// logUser($uid, "QUERY=".$query);
// }
//
// function nel_query($rawvarpath, &$result)
// {
// global $nel_queries;
//
// $nel_queries[] = $rawvarpath;
// $ok = false;
// //echo "rawvarpath=$rawvarpath<br>\n";
//
// //logNelQuery($rawvarpath);
//
// connectToAS($fp, $result);
// if(strlen($result) != 0)
// return $ok;
//
// // send the message that say that we want to add a user
// $msgout = new CMemStream;
// $fake = 0;
// $msgout->serialuint32 ($fake); // fake used to number the packet
// $messageType = 0;
// $msgout->serialuint8 ($messageType);
// $msgout->serialstring ($rawvarpath);
//
// sendMessage ($fp, $msgout);
//
// waitMessage ($fp, $msgin);
//
// $msgin->serialstring($result);
//
// if(strlen($result) == 0)
// {
// // it failed
// }
// else
// {
// // it's ok
// $ok = true;
// }
//
// //printf("receive response '$result'<br>\n");
//
// disconnectFromAS(&$fp);
// //echo "sent OK.<br><br>\n";
//
// return $ok;
// }
?>