Mercurial > prosody-modules
view mod_s2soutinjection/mod_s2soutinjection.lua @ 4537:53ee391ca689
mod_smacks: Fix traceback due to session being destroyed in send()
Sending something can cause the OS to notice that the connection is dead
and then the connection can be dead at this point. More likely if
opportunistic_writes is enabled.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Thu, 01 Apr 2021 11:35:26 +0200 |
parents | 4057f176be7b |
children | 864fefec1c07 |
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local st = require"util.stanza"; local new_ip = require"util.ip".new_ip; local new_outgoing = require"core.s2smanager".new_outgoing; local bounce_sendq = module:depends"s2s".route_to_new_session.bounce_sendq; local s2sout = module:depends"s2s".route_to_new_session.s2sout; local injected = module:get_option("s2s_connect_overrides"); local function isip(addr) return not not (addr and addr:match("^%d+%.%d+%.%d+%.%d+$") or addr:match("^[%x:]*:[%x:]-:[%x:]*$")); end module:hook("route/remote", function(event) local from_host, to_host, stanza = event.from_host, event.to_host, event.stanza; local inject = injected and injected[to_host]; if not inject then return end log("debug", "opening a new outgoing connection for this stanza"); local host_session = new_outgoing(from_host, to_host); -- Store in buffer host_session.bounce_sendq = bounce_sendq; host_session.sendq = { {tostring(stanza), stanza.attr.type ~= "error" and stanza.attr.type ~= "result" and st.reply(stanza)} }; log("debug", "stanza [%s] queued until connection complete", tostring(stanza.name)); local ip_hosts, srv_hosts = {}, {}; host_session.srv_hosts = srv_hosts; host_session.srv_choice = 0; if type(inject) == "string" then inject = { inject } end for _, item in ipairs(inject) do local host, port = item[1] or item, tonumber(item[2]) or 5269; if isip(host) then ip_hosts[#ip_hosts+1] = { ip = new_ip(host), port = port } else srv_hosts[#srv_hosts+1] = { target = host, port = port } end end if #ip_hosts > 0 then host_session.ip_hosts = ip_hosts; host_session.ip_choice = 0; -- Incremented by try_next_ip s2sout.try_next_ip(host_session); return true; end return s2sout.try_connect(host_session, host_session.srv_hosts[1].target, host_session.srv_hosts[1].port); end, -2);