net.server_select: Remove some debugging code.
[prosody.git] / net / xmppcomponent_listener.lua
index c16f41a09f988c5d7324d67a05d71b710d195c43..b87f7c96cf500e285bfbdda8552b1df35c916ad9 100644 (file)
@@ -1,6 +1,6 @@
 -- Prosody IM
--- Copyright (C) 2008-2009 Matthew Wild
--- Copyright (C) 2008-2009 Waqas Hussain
+-- Copyright (C) 2008-2010 Matthew Wild
+-- Copyright (C) 2008-2010 Waqas Hussain
 -- 
 -- This project is MIT/X11 licensed. Please see the
 -- COPYING file in the source package for more information.
@@ -32,18 +32,35 @@ local xmlns_component = 'jabber:component:accept';
 
 --- Callbacks/data for xmlhandlers to handle streams for us ---
 
-local stream_callbacks = { stream_tag = "http://etherx.jabber.org/streams\1stream", default_ns = xmlns_component };
+local stream_callbacks = { default_ns = xmlns_component };
+
+local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
 
 function stream_callbacks.error(session, error, data, data2)
+       if session.destroyed then return; end
        log("warn", "Error processing component stream: "..tostring(error));
        if error == "no-stream" then
                session:close("invalid-namespace");
-       elseif error == "xml-parse-error" and data == "unexpected-element-close" then
-               session.log("warn", "Unexpected close of '%s' tag", data2);
-               session:close("xml-not-well-formed");
-       else
-               session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(error));
+       elseif error == "parse-error" then
+               session.log("warn", "External component %s XML parse error: %s", tostring(session.host), tostring(data));
                session:close("xml-not-well-formed");
+       elseif error == "stream-error" then
+               local condition, text = "undefined-condition";
+               for child in data:children() do
+                       if child.attr.xmlns == xmlns_xmpp_streams then
+                               if child.name ~= "text" then
+                                       condition = child.name;
+                               else
+                                       text = child:get_text();
+                               end
+                               if condition ~= "undefined-condition" and text then
+                                       break;
+                               end
+                       end
+               end
+               text = condition .. (text and (" ("..text..")") or "");
+               session.log("info", "Session closed by remote with error: %s", text);
+               session:close(nil, text);
        end
 end
 
@@ -71,8 +88,8 @@ function stream_callbacks.streamopened(session, attr)
 end
 
 function stream_callbacks.streamclosed(session)
-       session.send("</stream:stream>");
-       session.notopen = true;
+       session.log("Received </stream:stream>");
+       session:close();
 end
 
 local core_process_stanza = core_process_stanza;
@@ -87,8 +104,9 @@ end
 
 --- Closing a component connection
 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local default_stream_attr = { ["xmlns:stream"] = stream_callbacks.stream_tag:match("[^\1]*"), xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
+local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
 local function session_close(session, reason)
+       if session.destroyed then return; end
        local log = session.log or log;
        if session.conn then
                if session.notopen then
@@ -117,17 +135,17 @@ local function session_close(session, reason)
                        end
                end
                session.send("</stream:stream>");
-               session.conn.close();
-               component_listener.disconnect(session.conn, "stream error");
+               session.conn:close();
+               component_listener.ondisconnect(session.conn, "stream error");
        end
 end
 
 --- Component connlistener
-function component_listener.listener(conn, data)
+function component_listener.onincoming(conn, data)
        local session = sessions[conn];
        if not session then
                local _send = conn.write;
-               session = { type = "component", conn = conn, send = function (data) return _send(tostring(data)); end };
+               session = { type = "component", conn = conn, send = function (data) return _send(conn, tostring(data)); end };
                sessions[conn] = session;
 
                -- Logging functions --
@@ -146,6 +164,7 @@ function component_listener.listener(conn, data)
                function session.data(conn, data)
                        local ok, err = parser:parse(data);
                        if ok then return; end
+                       log("debug", "Received invalid XML (%s) %d bytes: %s", tostring(err), #data, data:sub(1, 300):gsub("[\r\n]+", " "):gsub("[%z\1-\31]", "_"));
                        session:close("xml-not-well-formed");
                end
                
@@ -157,7 +176,7 @@ function component_listener.listener(conn, data)
        end
 end
        
-function component_listener.disconnect(conn, err)
+function component_listener.ondisconnect(conn, err)
        local session = sessions[conn];
        if session then
                (session.log or log)("info", "component disconnected: %s (%s)", tostring(session.host), tostring(err));
@@ -167,9 +186,13 @@ function component_listener.disconnect(conn, err)
                        hosts[session.host].connected = nil;
                end
                sessions[conn]  = nil;
-               for k in pairs(session) do session[k] = nil; end
+               for k in pairs(session) do
+                       if k ~= "log" and k ~= "close" then
+                               session[k] = nil;
+                       end
+               end
+               session.destroyed = true;
                session = nil;
-               collectgarbage("collect");
        end
 end