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net/xmppserver_listener.lua @ 381:e967f162501e
Comment out remote debug, will later be enabled via config
author | Matthew Wild <mwild1@gmail.com> |
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date | Sun, 23 Nov 2008 04:54:05 +0000 |
parent | 342:52f75260a22d |
child | 426:3d8778059e90 |
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local logger = require "logger"; local lxp = require "lxp" local init_xmlhandlers = require "core.xmlhandlers" local sm_new_session = require "core.sessionmanager".new_session; local s2s_new_incoming = require "core.s2smanager".new_incoming; local s2s_streamopened = require "core.s2smanager".streamopened; local s2s_streamclosed = require "core.s2smanager".streamclosed; local s2s_destroy_session = require "core.s2smanager".destroy_session; local stream_callbacks = { streamopened = s2s_streamopened, streamclosed = s2s_streamclosed }; local connlisteners_register = require "net.connlisteners".register; local t_insert = table.insert; local t_concat = table.concat; 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 local m_random = math.random; local format = string.format; local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session; --import("core.sessionmanager", "new_session", "destroy_session"); local st = stanza; local sessions = {}; local xmppserver = { default_port = 5269 }; -- These are session methods -- local function session_reset_stream(session) -- Reset stream local parser = lxp.new(init_xmlhandlers(session, stream_callbacks), "|"); session.parser = parser; session.notopen = true; function session.data(conn, data) parser:parse(data); end return true; end local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'}; local function session_close(session, reason) local log = session.log or log; if session.conn then if reason then if type(reason) == "string" then -- assume stream error log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, reason); session.sends2s(st.stanza("stream:error"):tag(reason, {xmlns = 'urn:ietf:params:xml:ns:xmpp-streams' })); elseif type(reason) == "table" then if reason.condition then local stanza = st.stanza("stream:error"):tag(reason.condition, stream_xmlns_attr):up(); if reason.text then stanza:tag("text", stream_xmlns_attr):text(reason.text):up(); end if reason.extra then stanza:add_child(reason.extra); end log("info", "Disconnecting %s[%s], <stream:error> is: %s", session.host or "(unknown host)", session.type, tostring(stanza)); session.sends2s(stanza); elseif reason.name then -- a stanza log("info", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, tostring(reason)); session.sends2s(reason); end end end session.sends2s("</stream:stream>"); session.conn.close(); xmppserver.disconnect(session.conn, "stream error"); end end -- End of session methods -- function xmppserver.listener(conn, data) local session = sessions[conn]; if not session then session = s2s_new_incoming(conn); sessions[conn] = session; -- Logging functions -- local mainlog, log = log; do local conn_name = "s2sin"..tostring(conn):match("[a-f0-9]+$"); log = logger.init(conn_name); end local print = function (...) log("info", t_concatall({...}, "\t")); end session.log = log; print("Incoming s2s connection"); session.reset_stream = session_reset_stream; session.close = session_close; session_reset_stream(session); -- Initialise, ready for use -- FIXME: Below function should be session,stanza - and xmlhandlers should use :method() notation to call, -- this will avoid the useless indirection we have atm -- (I'm on a mission, no time to fix now) -- Debug version -- local function handleerr(err) print("Traceback:", err, debug.traceback()); end session.stanza_dispatch = function (stanza) return select(2, xpcall(function () return core_process_stanza(session, stanza); end, handleerr)); end end if data then session.data(conn, data); end end function xmppserver.disconnect(conn) local session = sessions[conn]; if session then (session.log or log)("info", "s2s disconnected: %s->%s", tostring(session.from_host), tostring(session.to_host)); s2s_destroy_session(session); sessions[conn] = nil; session = nil; collectgarbage("collect"); end end function xmppserver.register_outgoing(conn, session) session.direction = "outgoing"; sessions[conn] = session; session.reset_stream = session_reset_stream; session_reset_stream(session); -- Initialise, ready for use -- FIXME: Below function should be session,stanza - and xmlhandlers should use :method() notation to call, -- this will avoid the useless indirection we have atm -- (I'm on a mission, no time to fix now) session.stanza_dispatch = function (stanza) return core_process_stanza(session, stanza); end end connlisteners_register("xmppserver", xmppserver); -- We need to perform some initialisation when a connection is created -- We also need to perform that same initialisation at other points (SASL, TLS, ...) -- ...and we need to handle data -- ...and record all sessions associated with connections