local st = require "util.stanza";
local sm_new_session, sm_destroy_session = sessionmanager.new_session, sessionmanager.destroy_session;
local uuid_generate = require "util.uuid".generate;
+local runner = require "util.async".runner;
local xpcall, tostring, type = xpcall, tostring, type;
-local traceback = debug.traceback;
local t_insert, t_remove = table.insert, table.remove;
-local co_running, co_resume = coroutine.running, coroutine.resume;
local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
local stream_callbacks = { default_ns = "jabber:client" };
local listener = {};
+local runner_callbacks = {};
--- Stream events handlers
local stream_xmlns_attr = {xmlns='urn:ietf:params:xml:ns:xmpp-streams'};
-local default_stream_attr = { ["xmlns:stream"] = "http://etherx.jabber.org/streams", xmlns = stream_callbacks.default_ns, version = "1.0", id = "" };
function stream_callbacks.streamopened(session, attr)
local send = session.send;
return;
end
- send("<?xml version='1.0'?>"..st.stanza("stream:stream", {
- xmlns = 'jabber:client', ["xmlns:stream"] = 'http://etherx.jabber.org/streams';
- id = session.streamid, from = session.host, version = '1.0', ["xml:lang"] = 'en' }):top_tag());
+ session:open_stream();
(session.log or log)("debug", "Sent reply <stream:stream> to client");
session.notopen = nil;
-- since we now have a new stream header, session is secured
if session.secure == false then
session.secure = true;
+ session.encrypted = true;
local sock = session.conn:socket();
if sock.info then
local info = sock:info();
- (session.log or log)("info", "Stream encrypted (%s) with %s, authenticated with %s and exchanged keys with %s",
- info.protocol, info.encryption, info.authentication, info.key);
+ (session.log or log)("info", "Stream encrypted (%s with %s)", info.protocol, info.cipher);
session.compressed = info.compression;
else
(session.log or log)("info", "Stream encrypted");
end
end
-local function handleerr(err) log("error", "Traceback[c2s]: %s", traceback(tostring(err), 2)); end
function stream_callbacks.handlestanza(session, stanza)
stanza = session.filter("stanzas/in", stanza);
- t_insert(session.pending_stanzas, stanza);
+ session.thread:run(stanza);
end
--- Session methods
local log = session.log or log;
if session.conn then
if session.notopen then
- session.send("<?xml version='1.0'?>");
- session.send(st.stanza("stream:stream", default_stream_attr):top_tag());
+ session:open_stream();
end
if reason then -- nil == no err, initiated by us, false == initiated by client
local stream_error = st.stanza("stream:error");
function session.send() return false; end
local reason = (reason and (reason.name or reason.text or reason.condition)) or reason;
- session.log("info", "c2s stream for %s closed: %s", session.full_jid or ("<"..session.ip..">"), reason or "session closed");
+ session.log("debug", "c2s stream for %s closed: %s", session.full_jid or ("<"..session.ip..">"), reason or "session closed");
-- Authenticated incoming stream may still be sending us stanzas, so wait for </stream:stream> from remote
local conn = session.conn;
end
end
+local function session_open_stream(session)
+ local attr = {
+ ["xmlns:stream"] = 'http://etherx.jabber.org/streams',
+ xmlns = stream_callbacks.default_ns,
+ version = "1.0",
+ ["xml:lang"] = 'en',
+ id = session.streamid or "",
+ from = session.host
+ };
+ session.send("<?xml version='1.0'?>");
+ session.send(st.stanza("stream:stream", attr):top_tag());
+end
+
module:hook_global("user-deleted", function(event)
local username, host = event.username, event.host;
local user = hosts[host].sessions[username];
end
end, 200);
+function runner_callbacks:ready()
+ self.data.conn:resume();
+end
+
+function runner_callbacks:waiting()
+ self.data.conn:pause();
+end
+
+function runner_callbacks:error(err)
+ (self.data.log or log)("error", "Traceback[c2s]: %s", err);
+end
+
--- Port listener
function listener.onconnect(conn)
local session = sm_new_session(conn);
-- Client is using legacy SSL (otherwise mod_tls sets this flag)
if conn:ssl() then
session.secure = true;
+ session.encrypted = true;
-- Check if TLS compression is used
local sock = conn:socket();
conn:setoption("keepalive", opt_keepalives);
end
+ session.open_stream = session_open_stream;
session.close = session_close;
local stream = new_xmpp_stream(session, stream_callbacks);
session.stream:reset();
end
- session.thread = coroutine.create(function (stanza)
- while true do
- core_process_stanza(session, stanza);
- stanza = coroutine.yield("ready");
- end
- end);
-
- session.pending_stanzas = {};
+ session.thread = runner(function (stanza)
+ core_process_stanza(session, stanza);
+ end, runner_callbacks, session);
local filter = session.filter;
function session.data(data)
end
end
end
-
- if co_running() ~= session.thread and not session.paused then
- if session.state == "wait" then
- session.state = "ready";
- local ok, state = co_resume(session.thread);
- if not ok then
- log("error", "Traceback[c2s]: %s", state);
- elseif state == "wait" then
- return;
- end
- end
- -- We're not currently running, so start the thread to process pending stanzas
- local s, thread = session.pending_stanzas, session.thread;
- local n = #s;
- while n > 0 and session.state ~= "wait" do
- session.log("debug", "processing %d stanzas", n);
- local consumed;
- for i = 1,n do
- local stanza = s[i];
- local ok, state = co_resume(thread, stanza);
- if not ok then
- log("error", "Traceback[c2s]: %s", state);
- elseif state == "wait" then
- consumed = i;
- session.state = "wait";
- break;
- end
- end
- if not consumed then consumed = n; end
- for i = 1, #s do
- s[i] = s[consumed+i];
- end
- n = #s;
- end
- end
end
if c2s_timeout then
end
session.dispatch_stanza = stream_callbacks.handlestanza;
-
- function session:sleep(by)
- session.log("debug", "Sleeping for %s", by);
- session.paused = by or "?";
- session.conn:pause();
- if co_running() == session.thread then
- coroutine.yield("wait");
- end
- end
- function session:wake(by)
- assert(session.paused == (by or "?"));
- session.log("debug", "Waking for %s", by);
- session.paused = nil;
- session.conn:resume();
- session.data(); --FIXME: next tick?
- end
end
function listener.onincoming(conn, data)
projects / prosody.git / blobdiff