prosody: plugins/mod_bosh.lua@b2c4a7ec31c6 (annotated)

636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	1
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	2	module.host = "*" -- Global module
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	3
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	4	local lxp = require "lxp";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	5	local init_xmlhandlers = require "core.xmlhandlers"
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	6	local server = require "net.server";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	7	local httpserver = require "net.httpserver";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	8	local sm = require "core.sessionmanager";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	9	local new_uuid = require "util.uuid".generate;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	10	local fire_event = require "core.eventmanager".fire_event;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	11	local core_process_stanza = core_process_stanza;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	12	local st = require "util.stanza";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	13	local log = require "util.logger".init("bosh");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	14	local stream_callbacks = { stream_tag = "http://jabber.org/protocol/httpbind\|body" };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	15
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	16	local xmlns_bosh = "http://jabber.org/protocol/httpbind"; -- (hard-coded into a literal in session.send)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	17
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	18	local BOSH_DEFAULT_HOLD = 1;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	19	local BOSH_DEFAULT_INACTIVITY = 30;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	20	local BOSH_DEFAULT_POLLING = 5;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	21	local BOSH_DEFAULT_REQUESTS = 2;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	22	local BOSH_DEFAULT_MAXPAUSE = 120;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	23
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	24	local t_insert, t_remove, t_concat = table.insert, table.remove, table.concat;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	25	local os_time = os.time;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	26
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	27	local sessions = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	28
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	29	-- Used to respond to idle sessions
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	30	local waiting_requests = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	31	function on_destroy_request(request)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	32	waiting_requests[request] = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	33	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	34
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	35	function handle_request(method, body, request)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	36	if (not body) or request.method ~= "POST" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	37	--return { status = "200 OK", headers = { ["Content-Type"] = "text/html" }, body = "<html><body>You don't look like a BOSH client to me... what do you want?</body></html>" };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	38	return "<html><body>You really don't look like a BOSH client to me... what do you want?</body></html>";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	39	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	40	if not method then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	41	log("debug", "Request %s suffered error %s", tostring(request.id), body);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	42	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	43	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	44	log("debug", "Handling new request %s: %s\n----------", request.id, tostring(body));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	45	request.notopen = true;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	46	request.log = log;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	47	local parser = lxp.new(init_xmlhandlers(request, stream_callbacks), "\|");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	48
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	49	parser:parse(body);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	50
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	51	local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	52	if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	53	local r = session.requests;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	54	log("debug", "Session %s has %d out of %d requests open", request.sid, #r, session.bosh_hold);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	55	log("debug", "and there are %d things in the send_buffer", #session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	56	if #r > session.bosh_hold then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	57	-- We are holding too many requests, send what's in the buffer,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	58	log("debug", "We are holding too many requests, so...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	59	if #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	60	log("debug", "...sending what is in the buffer")
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	61	session.send(t_concat(session.send_buffer));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	62	session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	63	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	64	else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	65	-- or an empty response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	66	log("debug", "...sending an empty response");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	67	session.send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	68	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	69	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	70	elseif #session.send_buffer > 0 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	71	log("debug", "Session has data in the send buffer, will send now..");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	72	local resp = t_concat(session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	73	session.send_buffer = {};
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	74	session.send(resp);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	75	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	76	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	77
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	78	if not request.destroyed and session.bosh_wait then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	79	request.reply_before = os_time() + session.bosh_wait;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	80	request.on_destroy = on_destroy_request;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	81	waiting_requests[request] = true;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	82	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	83
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	84	log("debug", "Had nothing to say, so leaving request unanswered for now");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	85	return true;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	86	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	87	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	88
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	89	local function bosh_reset_stream(session) session.notopen = true; end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	90	local function bosh_close_stream(session, reason) end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	91
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	92	function stream_callbacks.streamopened(request, attr)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	93	print("Attr:")
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	94	for k,v in pairs(attr) do print("", k, v); end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	95	log("debug", "BOSH body open (sid: %s)", attr.sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	96	local sid = attr.sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	97	if not sid then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	98	-- TODO: Sanity checks here (rid, to, known host, etc.)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	99	request.notopen = nil; -- Signals that we accept this opening tag
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	100
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	101	-- New session
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	102	sid = tostring(new_uuid());
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	103	local session = { type = "c2s_unauthed", conn = {}, sid = sid, rid = attr.rid, host = attr.to, bosh_version = attr.ver, bosh_wait = attr.wait, streamid = sid,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	104	bosh_hold = BOSH_DEFAULT_HOLD,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	105	requests = { }, send_buffer = {}, reset_stream = bosh_reset_stream, close = bosh_close_stream };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	106	sessions[sid] = session;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	107	log("info", "New BOSH session, assigned it sid '%s'", sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	108	local r, send_buffer = session.requests, session.send_buffer;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	109	local response = { }
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	110	function session.send(s)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	111	log("debug", "Sending BOSH data: %s", tostring(s));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	112	local oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	113	while oldest_request and oldest_request.destroyed do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	114	t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	115	waiting_requests[oldest_request] = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	116	oldest_request = r[1];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	117	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	118	if oldest_request then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	119	log("debug", "We have an open request, so using that to send with");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	120	response.body = t_concat{"<body xmlns='http://jabber.org/protocol/httpbind' sid='", sid, "' xmlns:stream = 'http://etherx.jabber.org/streams'>", tostring(s), "</body>" };
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	121	oldest_request:send(response);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	122	log("debug", "Sent");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	123	if oldest_request.stayopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	124	if #r>1 then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	125	-- Move front request to back
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	126	t_insert(r, oldest_request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	127	t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	128	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	129	else
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	130	log("debug", "Destroying the request now...");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	131	oldest_request:destroy();
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	132	t_remove(r, 1);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	133	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	134	elseif s ~= "" then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	135	log("debug", "Saved to send buffer because there are %d open requests", #r);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	136	-- Hmm, no requests are open :(
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	137	t_insert(session.send_buffer, tostring(s));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	138	log("debug", "There are now %d things in the send_buffer", #session.send_buffer);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	139	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	140	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	141
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	142	-- Send creation response
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	143
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	144	local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	145	fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	146	--xmpp:version='1.0' xmlns:xmpp='urn:xmpp:xbosh'
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	147	local response = st.stanza("body", { xmlns = xmlns_bosh,
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	148	inactivity = "30", polling = "5", requests = "2", hold = tostring(session.bosh_hold), maxpause = "120",
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	149	sid = sid, ver = '1.6', from = session.host, secure = 'true', ["xmpp:version"] = "1.0",
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	150	["xmlns:xmpp"] = "urn:xmpp:xbosh", ["xmlns:stream"] = "http://etherx.jabber.org/streams" }):add_child(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	151	request:send(tostring(response));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	152
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	153	request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	154	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	155	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	156
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	157	local session = sessions[sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	158	if not session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	159	-- Unknown sid
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	160	log("info", "Client tried to use sid '%s' which we don't know about", sid);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	161	request:send(tostring(st.stanza("body", { xmlns = xmlns_bosh, type = "terminate", condition = "item-not-found" })));
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	162	request.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	163	return;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	164	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	165
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	166	if session.notopen then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	167	local features = st.stanza("stream:features");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	168	fire_event("stream-features", session, features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	169	session.send(features);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	170	session.notopen = nil;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	171	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	172
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	173	request.notopen = nil; -- Signals that we accept this opening tag
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	174	t_insert(session.requests, request);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	175	request.sid = sid;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	176	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	177
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	178	function stream_callbacks.handlestanza(request, stanza)
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	179	log("debug", "BOSH stanza received: %s\n", stanza:pretty_print());
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	180	local session = sessions[request.sid];
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	181	if session then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	182	if stanza.attr.xmlns == xmlns_bosh then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	183	stanza.attr.xmlns = "jabber:client";
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	184	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	185	core_process_stanza(session, stanza);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	186	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	187	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	188
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	189	function on_timer()
660 b2c4a7ec31c6 Remove some old debugging code from mod_bosh Matthew Wild <mwild1@gmail.com> parents: 636 diff changeset	190	-- log("debug", "Checking for requests soon to timeout...");
636 9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	191	-- Identify requests timing out within the next few seconds
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	192	local now = os_time() + 3;
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	193	for request in pairs(waiting_requests) do
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	194	if request.reply_before <= now then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	195	log("debug", "%s was soon to timeout, sending empty response", request.id);
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	196	-- Send empty response to let the
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	197	-- client know we're still here
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	198	if request.conn then
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	199	sessions[request.sid].send("");
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	200	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	201	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	202	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	203	end
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	204
9c9c671ecc50 Initial mod_bosh, works, kind of, but quite incomplete Matthew Wild <mwild1@gmail.com> parents: diff changeset	205	httpserver.new{ port = 5280, base = "http-bind", handler = handle_request, ssl = false}
660 b2c4a7ec31c6 Remove some old debugging code from mod_bosh Matthew Wild <mwild1@gmail.com> parents: 636 diff changeset	206	server.addtimer(on_timer);

author	Matthew Wild <mwild1@gmail.com>
	Sat, 27 Dec 2008 21:23:14 +0000
changeset 660	b2c4a7ec31c6
parent 636	9c9c671ecc50
child 679	9506bf204b1a
permissions	-rw-r--r--