2 local logger = require "logger";
3 local lxp = require "lxp"
4 local init_xmlhandlers = require "core.xmlhandlers"
5 local sm_new_session = require "core.sessionmanager".new_session;
7 local connlisteners_register = require "net.connlisteners".register;
9 local t_insert = table.insert;
10 local t_concat = table.concat;
11 local t_concatall = function (t, sep) local tt = {}; for _, s in ipairs(t) do t_insert(tt, tostring(s)); end return t_concat(tt, sep); end
12 local m_random = math.random;
13 local format = string.format;
14 local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session");
15 local sm_streamopened = sessionmanager.streamopened;
16 local sm_streamclosed = sessionmanager.streamclosed;
19 local stream_callbacks = { streamopened = sm_streamopened, streamclosed = sm_streamclosed };
22 local xmppclient = { default_port = 5222 };
24 -- These are session methods --
26 local function session_reset_stream(session)
28 local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|");
29 session.parser = parser;
31 session.notopen = true;
33 function session.data(conn, data)
40 local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
41 local function session_close(session, reason)
42 local log = session.log or log;
45 if type(reason) == "string" then -- assume stream error
46 log("info", "Disconnecting client, <stream:error> is: %s", reason);
47 session.send(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' }));
48 elseif type(reason) == "table" then
49 if reason.condition then
50 local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up();
52 stanza:tag("text", stream_xmlns_attr):text(reason.text):up();
55 stanza:add_child(reason.extra);
57 log("info", "Disconnecting client, <stream:error> is: %s", tostring(stanza));
59 elseif reason.name then -- a stanza
60 log("info", "Disconnecting client, <stream:error> is: %s", tostring(reason));
65 session.send("</stream:stream>");
67 xmppclient.disconnect(session.conn, "stream error");
72 -- End of session methods --
74 function xmppclient.listener(conn, data)
75 local session = sessions[conn];
77 session = sm_new_session(conn);
78 sessions[conn] = session;
80 -- Logging functions --
82 local mainlog, log = log;
84 local conn_name = tostring(conn):match("[a-f0-9]+$");
85 log = logger.init(conn_name);
87 local print = function (...) log("info", t_concatall({...}, "\t")); end
90 print("Client connected");
92 session.reset_stream = session_reset_stream;
93 session.close = session_close;
95 session_reset_stream(session); -- Initialise, ready for use
97 -- TODO: Below function should be session,stanza - and xmlhandlers should use :method() notation to call,
98 -- this will avoid the useless indirection we have atm
99 -- (I'm on a mission, no time to fix now)
102 local function handleerr(err) print("Traceback:", err, debug.traceback()); end
103 session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end
106 session.data(conn, data);
110 function xmppclient.disconnect(conn, err)
111 local session = sessions[conn];
113 (session.log or log)("info", "Client disconnected: %s", err);
114 sm_destroy_session(session);
115 sessions[conn] = nil;
117 collectgarbage("collect");
121 connlisteners_register("xmppclient", xmppclient);