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-rw-r--r--plugins/mod_s2s/mod_s2s.lua80
1 files changed, 59 insertions, 21 deletions
diff --git a/plugins/mod_s2s/mod_s2s.lua b/plugins/mod_s2s/mod_s2s.lua
index aa7fe8b6..e85ec6bd 100644
--- a/plugins/mod_s2s/mod_s2s.lua
+++ b/plugins/mod_s2s/mod_s2s.lua
@@ -14,7 +14,7 @@ local core_process_stanza = prosody.core_process_stanza;
local tostring, type = tostring, type;
local t_insert = table.insert;
-local xpcall, traceback = xpcall, debug.traceback;
+local traceback = debug.traceback;
local add_task = require "util.timer".add_task;
local st = require "util.stanza";
@@ -26,6 +26,7 @@ local s2s_new_outgoing = require "core.s2smanager".new_outgoing;
local s2s_destroy_session = require "core.s2smanager".destroy_session;
local uuid_gen = require "util.uuid".generate;
local fire_global_event = prosody.events.fire_event;
+local runner = require "util.async".runner;
local s2sout = module:require("s2sout");
@@ -41,6 +42,8 @@ local measure_connections = module:measure("connections", "amount");
local sessions = module:shared("sessions");
+local runner_callbacks = {};
+
local log = module._log;
module:hook("stats-update", function ()
@@ -57,13 +60,16 @@ local bouncy_stanzas = { message = true, presence = true, iq = true };
local function bounce_sendq(session, reason)
local sendq = session.sendq;
if not sendq then return; end
- session.log("info", "Sending error replies for "..#sendq.." queued stanzas because of failed outgoing connection to "..tostring(session.to_host));
+ session.log("info", "Sending error replies for %d queued stanzas because of failed outgoing connection to %s", #sendq, session.to_host);
local dummy = {
type = "s2sin";
- send = function(s)
+ send = function ()
(session.log or log)("error", "Replying to to an s2s error reply, please report this! Traceback: %s", traceback());
end;
dummy = true;
+ close = function ()
+ (session.log or log)("error", "Attempting to close the dummy origin of s2s error replies, please report this! Traceback: %s", traceback());
+ end;
};
for i, data in ipairs(sendq) do
local reply = data[2];
@@ -100,8 +106,15 @@ function route_to_existing_session(event)
(host.log or log)("debug", "trying to send over unauthed s2sout to "..to_host);
-- Queue stanza until we are able to send it
- if host.sendq then t_insert(host.sendq, {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)});
- else host.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} }; end
+ local queued_item = {
+ tostring(stanza),
+ stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza);
+ };
+ if host.sendq then
+ t_insert(host.sendq, queued_item);
+ else
+ host.sendq = { queued_item };
+ end
host.log("debug", "stanza [%s] queued ", stanza.name);
return true;
elseif host.type == "local" or host.type == "component" then
@@ -114,7 +127,7 @@ function route_to_existing_session(event)
-- FIXME
if host.from_host ~= from_host then
log("error", "WARNING! This might, possibly, be a bug, but it might not...");
- log("error", "We are going to send from %s instead of %s", tostring(host.from_host), tostring(from_host));
+ log("error", "We are going to send from %s instead of %s", host.from_host, from_host);
end
if host.sends2s(stanza) then
host.log("debug", "stanza sent over %s", host.type);
@@ -151,7 +164,7 @@ module:hook("s2s-read-timeout", keepalive, -1);
function module.add_host(module)
if module:get_option_boolean("disallow_s2s", false) then
- module:log("warn", "The 'disallow_s2s' config option is deprecated, please see http://prosody.im/doc/s2s#disabling");
+ module:log("warn", "The 'disallow_s2s' config option is deprecated, please see https://prosody.im/doc/s2s#disabling");
return nil, "This host has disallow_s2s set";
end
module:hook("route/remote", route_to_existing_session, -1);
@@ -264,11 +277,21 @@ end
--- XMPP stream event handlers
-local stream_callbacks = { default_ns = "jabber:server", handlestanza = core_process_stanza };
+local stream_callbacks = { default_ns = "jabber:server" };
+
+function stream_callbacks.handlestanza(session, stanza)
+ stanza = session.filter("stanzas/in", stanza);
+ session.thread:run(stanza);
+end
local xmlns_xmpp_streams = "urn:ietf:params:xml:ns:xmpp-streams";
function stream_callbacks.streamopened(session, attr)
+ -- run _streamopened in async context
+ session.thread:run({ attr = attr });
+end
+
+function stream_callbacks._streamopened(session, attr)
session.version = tonumber(attr.version) or 0;
-- TODO: Rename session.secure to session.encrypted
@@ -363,7 +386,7 @@ function stream_callbacks.streamopened(session, attr)
end
if ( session.type == "s2sin" or session.type == "s2sout" ) or features.tags[1] then
- log("debug", "Sending stream features: %s", tostring(features));
+ log("debug", "Sending stream features: %s", features);
session.sends2s(features);
else
(session.log or log)("warn", "No stream features to offer, giving up");
@@ -420,7 +443,7 @@ function stream_callbacks.error(session, error, data)
session.log("debug", "Invalid opening stream header (%s)", (data:gsub("^([^\1]+)\1", "{%1}")));
session:close("invalid-namespace");
elseif error == "parse-error" then
- session.log("debug", "Server-to-server XML parse error: %s", tostring(error));
+ session.log("debug", "Server-to-server XML parse error: %s", error);
session:close("not-well-formed");
elseif error == "stream-error" then
local condition, text = "undefined-condition";
@@ -440,14 +463,6 @@ function stream_callbacks.error(session, error, data)
end
end
-local function handleerr(err) log("error", "Traceback[s2s]: %s", traceback(tostring(err), 2)); end
-function stream_callbacks.handlestanza(session, stanza)
- stanza = session.filter("stanzas/in", stanza);
- if stanza then
- return xpcall(function () return core_process_stanza(session, stanza) end, handleerr);
- end
-end
-
local listener = {};
--- Session methods
@@ -475,10 +490,10 @@ local function session_close(session, reason, remote_reason)
if reason.extra then
stanza:add_child(reason.extra);
end
- log("debug", "Disconnecting %s[%s], <stream:error> is: %s", session.host or session.ip or "(unknown host)", session.type, tostring(stanza));
+ log("debug", "Disconnecting %s[%s], <stream:error> is: %s", session.host or session.ip or "(unknown host)", session.type, stanza);
session.sends2s(stanza);
elseif reason.name then -- a stanza
- log("debug", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, tostring(reason));
+ log("debug", "Disconnecting %s->%s[%s], <stream:error> is: %s", session.from_host or "(unknown host)", session.to_host or "(unknown host)", session.type, reason);
session.sends2s(reason);
end
end
@@ -522,6 +537,15 @@ end
-- Session initialization logic shared by incoming and outgoing
local function initialize_session(session)
local stream = new_xmpp_stream(session, stream_callbacks);
+
+ session.thread = runner(function (stanza)
+ if stanza.name == nil then
+ stream_callbacks._streamopened(session, stanza.attr);
+ else
+ core_process_stanza(session, stanza);
+ end
+ end, runner_callbacks, session);
+
local log = session.log or log;
session.stream = stream;
@@ -585,6 +609,20 @@ local function initialize_session(session)
end);
end
+function runner_callbacks:ready()
+ self.data.log("debug", "Runner %s ready (%s)", self.thread, coroutine.status(self.thread));
+ self.data.conn:resume();
+end
+
+function runner_callbacks:waiting()
+ self.data.log("debug", "Runner %s waiting (%s)", self.thread, coroutine.status(self.thread));
+ self.data.conn:pause();
+end
+
+function runner_callbacks:error(err)
+ (self.data.log or log)("error", "Traceback[s2s]: %s", err);
+end
+
function listener.onconnect(conn)
conn:setoption("keepalive", opt_keepalives);
local session = sessions[conn];
@@ -626,7 +664,7 @@ function listener.ondisconnect(conn, err)
return; -- Session lives for now
end
end
- (session.log or log)("debug", "s2s disconnected: %s->%s (%s)", tostring(session.from_host), tostring(session.to_host), tostring(err or "connection closed"));
+ (session.log or log)("debug", "s2s disconnected: %s->%s (%s)", session.from_host, session.to_host, err or "connection closed");
s2s_destroy_session(session, err);
end
end