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Some cleanups from Jon ... beeps now work
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moodler
parent
e7a80e32c9
commit
e7d27884a8
1 changed files with 92 additions and 60 deletions
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@ -34,28 +34,22 @@ function chat_empty_connection() {
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}
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class ChatConnection {
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var $sid = NULL;
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// Chat-related info
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var $sid = NULL;
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var $type = NULL;
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//var $groupid = NULL;
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// PHP-level info
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var $handle = NULL;
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var $ip = NULL;
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var $port = NULL;
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var $groupid = NULL;
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var $lastmessages = array();
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var $lastmsgindex = 0;
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var $type = NULL;
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}
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class ChatMessage {
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var $chatid = NULL;
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var $userid = NULL;
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var $groupid = NULL;
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var $system = NULL;
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var $message = NULL;
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var $timestamp = NULL;
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var $text_ = '';
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var $html_ = '';
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var $beep_ = false;
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// TCP/IP
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var $ip = NULL;
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var $port = NULL;
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function ChatConnection($resource) {
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$this->handle = $resource;
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socket_getpeername($this->handle, &$this->ip, &$this->port);
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}
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}
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class ChatDaemon {
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@ -150,8 +144,9 @@ class ChatDaemon {
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echo "</a></td><td valign=center>";
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echo "<p><font size=1>";
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echo fullname($userinfo['user'])."<br />";
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echo "<font color=\"#888888\">$str->idle: ".format_time($lastping, $str)."</font>";
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//echo " <a href=\"users.php?chat_sid=$chat_sid&beep=$chatuser->id&groupid=$groupid\">$str->beep</a>";
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echo "<font color=\"#888888\">$str->idle: ".format_time($lastping, $str)."</font> ";
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echo '<a target="empty" href="http://'.$CFG->chat_serverhost.':'.$CFG->chat_serverport.'/?win=beep&beep='.$userinfo['user']->id.
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'&chat_sid='.$sessionid.'&groupid='.$this->sets_info[$sessionid]['groupid'].'">'.$str->beep."</a>\n";
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echo "</font></p>";
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echo "<td></tr>";
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}
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@ -178,6 +173,7 @@ class ChatDaemon {
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return true;
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}
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foreach($this->conn_side[$sessionid] as $sideid => $sidekick) {
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// TODO: is this late-dispatch working correctly?
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$this->dispatch_sidekick($sidekick['handle'], $sidekick['type'], $sessionid, $sidekick['customdata']);
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unset($this->conn_side[$sessionid][$sideid]);
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}
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@ -188,6 +184,44 @@ class ChatDaemon {
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global $CFG;
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switch($type) {
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case CHAT_SIDEKICK_BEEP:
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// Incoming beep
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$msg = &New stdClass;
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$msg->chatid = $this->sets_info[$sessionid]['chatid'];
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$msg->userid = $this->sets_info[$sessionid]['userid'];
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$msg->groupid = $this->sets_info[$sessionid]['groupid'];
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$msg->system = 0;
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$msg->message = 'beep '.$customdata['beep'];
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$msg->timestamp = time();
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// Commit to DB
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insert_record('chat_messages', $msg);
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// OK, now push it out to all users
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$this->message_broadcast($msg, $this->sets_info[$sessionid]['user']);
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// Update that user's lastmessageping
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$this->update_lastmessageping($sessionid, $msg->timestamp);
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// We did our work, but before slamming the door on the poor browser
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// show the courtesy of responding to the HTTP request. Otherwise, some
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// browsers decide to get vengeance by flooding us with repeat requests.
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$header = "HTTP/1.1 200 OK\n";
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$header .= "Connection: close\n";
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$header .= "Date: ".date('r')."\n";
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$header .= "Server: Moodle\n";
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$header .= "Content-Type: text/html\n";
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$header .= "Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT\n";
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$header .= "Cache-Control: no-cache, must-revalidate\n";
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$header .= "Expires: Wed, 4 Oct 1978 09:32:45 GMT\n";
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$header .= "\n";
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// That's enough headers for one lousy dummy response
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chat_socket_write($handle, $header);
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// All done
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break;
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case CHAT_SIDEKICK_USERS:
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/*
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//$x = pusers($this->sets_info[$sessionid]['chatid'], $this->sets_info[$sessionid]['groupid']);
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@ -250,7 +284,7 @@ class ChatDaemon {
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break;
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case CHAT_SIDEKICK_MESSAGE:
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// Incoming message
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$msg = &New ChatMessage;
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$msg = &New stdClass;
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$msg->chatid = $this->sets_info[$sessionid]['chatid'];
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$msg->userid = $this->sets_info[$sessionid]['userid'];
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$msg->groupid = $this->sets_info[$sessionid]['groupid'];
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@ -356,11 +390,11 @@ class ChatDaemon {
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$this->dismiss_half($sessionid, false);
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chat_socket_write($this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL], $CHAT_HTMLHEAD_JS);
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trace('Finalized client: sid: '.$sessionid.' uid: '.$chatuser->userid.' gid: '.intval($groupid));
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trace('Connection accepted: '.$this->conn_sets[$sessionid][CHAT_CONNECTION_CHANNEL].', SID: '.$sessionid.' UID: '.$chatuser->userid.' GID: '.intval($groupid));
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// Finally, broadcast the "entered the chat" message
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$msg = &New ChatMessage;
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$msg = &New stdClass;
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$msg->chatid = $chatuser->chatid;
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$msg->userid = $chatuser->userid;
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$msg->groupid = 0;
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@ -379,7 +413,7 @@ class ChatDaemon {
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return false;
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}
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foreach($this->conn_ufo as $id => $ufo) {
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if($ufo == $handle) {
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if($ufo->handle == $handle) {
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// OK, got the id of the UFO, but what is it?
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if($type & CHAT_SIDEKICK) {
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@ -402,11 +436,12 @@ class ChatDaemon {
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if($type & CHAT_CONNECTION) {
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// This forces a new connection right now...
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trace('Incoming connection from '.$ufo->ip.':'.$ufo->port);
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// Do we have such a connection active?
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if(isset($this->conn_sets[$sessionid])) {
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// Yes, so regrettably we cannot promote you
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trace('UFO #'.$id.' with '.$ufo.' cannot be promoted: session '.$sessionid.' is already final');
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trace('Connection rejected: session '.$sessionid.' is already final');
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$this->dismiss_ufo($handle);
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return false;
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}
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@ -425,14 +460,6 @@ class ChatDaemon {
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return true;
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}
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/*
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// It's the first one for that sessionid, so it will start an incomplete connection
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$this->conn_half[$sessionid] = array($type => $handle);
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unset($this->conn_ufo[$id]);
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trace('UFO #'.$id.': identified session '.$sessionid.' wintype '.$type);
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return true;
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*/
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}
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}
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return false;
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@ -444,8 +471,8 @@ class ChatDaemon {
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}
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if($disconnect) {
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foreach($this->conn_half[$sessionid] as $handle) {
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socket_shutdown($handle);
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socket_close($handle);
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@socket_shutdown($handle);
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@socket_close($handle);
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}
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}
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unset($this->conn_half[$sessionid]);
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@ -453,13 +480,12 @@ class ChatDaemon {
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}
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function dismiss_set($sessionid) {
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if(!isset($this->conn_sets[$sessionid])) {
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return false;
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}
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foreach($this->conn_sets[$sessionid] as $handle) {
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// Since we want to dismiss this, don't generate any errors if it's dead already
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@socket_shutdown($handle);
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@socket_close($handle);
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if(!empty($this->conn_sets[$sessionid])) {
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foreach($this->conn_sets[$sessionid] as $handle) {
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// Since we want to dismiss this, don't generate any errors if it's dead already
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@socket_shutdown($handle);
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@socket_close($handle);
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}
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}
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unset($this->conn_sets[$sessionid]);
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unset($this->sets_info[$sessionid]);
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@ -472,7 +498,7 @@ class ChatDaemon {
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return false;
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}
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foreach($this->conn_ufo as $id => $ufo) {
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if($ufo == $handle) {
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if($ufo->handle == $handle) {
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unset($this->conn_ufo[$id]);
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if($disconnect) {
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chat_socket_write($handle, "You don't seem to be a valid client.\n");
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@ -491,21 +517,18 @@ class ChatDaemon {
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return false;
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}
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$newconn = &New ChatConnection;
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$newconn->handle = $handle;
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socket_getpeername($newconn->handle, &$newconn->ip, &$newconn->port);
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$newconn = &New ChatConnection($handle);
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$id = $this->new_ufo_id();
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//trace('UFO #'.$id.': connection from '.$newconn->ip.' on port '.$newconn->port.', '.$newconn->handle);
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$this->conn_ufo[$id] = $newconn;
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$this->conn_ufo[$id] = $newconn->handle;
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//trace('UFO #'.$id.': connection from '.$newconn->ip.' on port '.$newconn->port.', '.$newconn->handle);
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}
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function conn_activity_ufo (&$handles) {
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$monitor = array();
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if(!empty($this->conn_ufo)) {
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foreach($this->conn_ufo as $ufoid => $ufo) {
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$monitor[$ufoid] = $ufo;
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$monitor[$ufoid] = $ufo->handle;
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}
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}
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@ -545,7 +568,7 @@ class ChatDaemon {
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// and THEN broadcast a message to all others... otherwise, infinite recursion.
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delete_records('chat_users', 'sid', $sessionid);
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$msg = &New ChatMessage;
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$msg = &New stdClass;
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$msg->chatid = $info['chatid'];
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$msg->userid = $info['userid'];
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$msg->groupid = 0;
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@ -585,12 +608,13 @@ define('CHAT_SIDEKICK', 0x20);
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// Sidekicks: Incrementing sequence, 0x21 to 0x2f
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define('CHAT_SIDEKICK_USERS', 0x21);
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define('CHAT_SIDEKICK_MESSAGE', 0x22);
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define('CHAT_SIDEKICK_BEEP', 0x23);
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$DAEMON = New ChatDaemon;
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$DAEMON->socket_active = false;
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$DAEMON->trace_level = E_ALL;
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$DAEMON->socketserver_refresh = 10;
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$DAEMON->socketserver_refresh = 20;
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$DAEMON->can_daemonize = function_exists('pcntl_fork');
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$DAEMON->beepsoundsrc = $CFG->wwwroot.'/mod/chat/beep.wav';
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$DAEMON->live_data_update_threshold = 30;
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@ -649,13 +673,10 @@ if(!socket_bind($DAEMON->listen_socket, $CFG->chat_serverip, $CFG->chat_serverpo
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$DAEMON->last_error = socket_last_error();
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echo "Error: socket_bind() failed: ". socket_strerror(socket_last_error($DAEMON->last_error)).' ['.$DAEMON->last_error."]\n";
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// If $DAEMON->last_error == 98 (Success), maybe we need to try cleaning up a bit before dying
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// This is EXPERIMENTAL code!
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if($DAEMON->last_error == 98) {
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trace('experimental fix kicks in');
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socket_close($DAEMON->listen_socket);
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if($DAEMON->last_error != 98) {
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die();
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}
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die();
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}
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if(!socket_listen($DAEMON->listen_socket, $CFG->chat_servermax)) {
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// Failed to get socket to listen
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@ -743,7 +764,7 @@ while(true) {
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continue;
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}
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if(!ereg('win=(chat|users|message).*&chat_sid=([a-zA-Z0-9]*)&groupid=([0-9]*) HTTP', $data, $info)) {
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if(!ereg('win=(chat|users|message|beep).*&chat_sid=([a-zA-Z0-9]*)&groupid=([0-9]*) HTTP', $data, $info)) {
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// Malformed data
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trace('UFO with '.$handle.': Request with malformed data; connection closed', E_USER_WARNING);
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$DAEMON->dismiss_ufo($handle);
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@ -763,6 +784,17 @@ while(true) {
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case 'users':
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$type = CHAT_SIDEKICK_USERS;
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break;
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case 'beep':
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$type = CHAT_SIDEKICK_BEEP;
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if(!ereg('beep=([^&]*)[& ]', $data, $info)) {
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trace('Beep sidekick did not contain a valid userid', E_USER_WARNING);
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$DAEMON->dismiss_ufo($handle);
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continue;
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}
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else {
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$customdata = array('beep' => intval($info[1]));
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}
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break;
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case 'message':
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$type = CHAT_SIDEKICK_MESSAGE;
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if(!ereg('chat_message=([^&]*)[& ]', $data, $info)) {
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