function run(&$xml_reponse, $p)
{
$clientid = $p["clientid"];
$param = $p["param"];
$sender = $p["sender"];
$recipient = $p["recipient"];
$recipientid = $p["recipientid"];
$c =& pfcGlobalConfig::Instance();
// do nothing if the recipient is not defined
if ($recipient == "") {
return;
}
// check this methode is not being called
if (isset($_SESSION["pfc_lock_readnewmsg_" . $c->getId() . "_" . $clientid])) {
// kill the lock if it has been created more than 10 seconds ago
$last_10sec = time() - 10;
$last_lock = $_SESSION["pfc_lock_readnewmsg_" . $c->getId() . "_" . $clientid];
if ($last_lock < $last_10sec) {
$_SESSION["pfc_lock_" . $c->getId() . "_" . $clientid] = 0;
}
if ($_SESSION["pfc_lock_readnewmsg_" . $c->getId() . "_" . $clientid] != 0) {
exit;
}
}
// create a new lock
$_SESSION["pfc_lock_readnewmsg_" . $c->getId() . "_" . $clientid] = time();
// read the last from_id value
$container =& pfcContainer::Instance();
$from_id_sid = "pfc_from_id_" . $c->getId() . "_" . $clientid . "_" . $recipientid;
$from_id = 0;
if (isset($_SESSION[$from_id_sid])) {
$from_id = $_SESSION[$from_id_sid];
} else {
$from_id = $container->getLastId($recipient) - $c->max_msg - 1;
if ($from_id < 0) {
$from_id = 0;
}
}
// check if this is the first time you get messages
$oldmsg_sid = "pfc_oldmsg_" . $c->getId() . "_" . $clientid . "_" . $recipientid;
$oldmsg = false;
if (isset($_SESSION[$oldmsg_sid])) {
unset($_SESSION[$oldmsg_sid]);
$oldmsg = true;
}
$new_msg = $container->read($recipient, $from_id);
$new_from_id = $new_msg["new_from_id"];
$data = $new_msg["data"];
// transform new message in html format
$js = array();
$data_sent = false;
foreach ($data as $d) {
$m_id = $d["id"];
$m_date = date($c->date_format, $d["timestamp"] + $c->time_offset);
$m_time = date($c->time_format, $d["timestamp"] + $c->time_offset);
$m_sender = $d["sender"];
$m_recipientid = $recipientid;
$m_cmd = $d["cmd"];
$m_param = phpFreeChat::PostFilterMsg(pfc_make_hyperlink($d["param"]));
$js[] = array($m_id, $m_date, $m_time, $m_sender, $m_recipientid, $m_cmd, $m_param, date($c->date_format, time() + $c->time_offset) == $m_date ? 1 : 0, $oldmsg ? 1 : 0);
// is it a new message in the current session or is it a part of the history
$data_sent = true;
}
if (count($js) != 0) {
require_once dirname(__FILE__) . '/../pfcjson.class.php';
$json = new pfcJSON();
$js = $json->encode($js);
$xml_reponse->script("pfc.handleResponse('" . $this->name . "', 'ok', (" . $js . "));");
}
if ($data_sent) {
// store the new msg id
$_SESSION[$from_id_sid] = $new_from_id;
}
// remove the lock
$_SESSION["pfc_lock_readnewmsg_" . $c->getId() . "_" . $clientid] = 0;
}
/**
* Read the last posted commands from a channel or from the server
* Notice: the returned array is ordered by id
* @param $chan if NULL then read from the server, otherwise read from the given channel
* @param $from_id read all message with a greater id
* @return array() contains the formated command list
*/
function read($chan, $from_id)
{
$c =& pfcGlobalConfig::Instance();
if ($chan == NULL) {
$chan = 'SERVER';
}
// read new messages content + parse content
$new_from_id = $this->getLastId($chan);
$datalist = array();
for ($mid = $from_id; $mid <= $new_from_id; $mid++) {
$line = $this->getMeta("channelid-to-msg", $this->encode($chan), $mid, true);
$line = $line["value"][0];
if ($line != "" && $line != "\n") {
$formated_line = explode("\t", $line);
$data = array();
$data["id"] = trim($formated_line[0]);
$data["timestamp"] = $formated_line[1];
$data["sender"] = $formated_line[2];
$data["cmd"] = $formated_line[3];
// convert URLs to html
$data["param"] = pfc_make_hyperlink($formated_line[4]);
$datalist[$data["id"]] = $data;
}
}
return array("data" => $datalist, "new_from_id" => $new_from_id + 1);
}
