local st = require "util.stanza"; local keepalive_servers = module:get_option_set("keepalive_servers"); local keepalive_interval = module:get_option_number("keepalive_interval", 60); local host = module.host; local function send_pings() for remote_domain, session in pairs(hosts[host].s2sout) do if session.type == "s2sout" -- as opposed to _unauthed and (not(keepalive_servers) or keepalive_servers:contains(remote_domain)) then session.sends2s(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive" }) :tag("ping", { xmlns = "urn:xmpp:ping" }) ); -- Note: We don't actually check if this comes back. end end for session in pairs(prosody.incoming_s2s) do if session.type == "s2sin" -- as opposed to _unauthed and (not(keepalive_servers) or keepalive_servers:contains(session.from_host)) then session.sends2s " "; -- If the connection is dead, this should make it time out. end end return keepalive_interval; end module:add_timer(keepalive_interval, send_pings);