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mod_s2s_keepalive/mod_s2s_keepalive.lua @ 3797:ed5d7586a61e
mod_rest: Map various HTTP status codes to XMPP stanza errors
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 30 Dec 2019 05:17:18 +0100 |
parent | 3772:22f02716819f |
child | 3833:580862decd77 |
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local st = require "util.stanza"; local watchdog = require "util.watchdog"; local keepalive_servers = module:get_option_set("keepalive_servers"); local keepalive_interval = module:get_option_number("keepalive_interval", 60); local keepalive_timeout = module:get_option_number("keepalive_timeout", 593); local host = module.host; local s2sout = prosody.hosts[host].s2sout; local function send_pings() local ping_hosts = {}; for remote_domain, session in pairs(s2sout) do if session.type ~= "s2sout_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" }) ); end end for session in pairs(prosody.incoming_s2s) do if session.type ~= "s2sin_unauthed" and session.to_host == host and (not(keepalive_servers) or keepalive_servers:contains(session.from_host)) then if not s2sout[session.from_host] then ping_hosts[session.from_host] = true; end session.sends2s " "; -- If the connection is dead, this should make it time out. end end -- ping remotes we only have s2sin from for remote_domain in pairs(ping_hosts) do module:send(st.iq({ to = remote_domain, type = "get", from = host, id = "keepalive" }) :tag("ping", { xmlns = "urn:xmpp:ping" }) ); end return keepalive_interval; end module:hook("s2sin-established", function (event) local session = event.session; if session.watchdog_keepalive then return end -- in case mod_bidi fires this twice session.watchdog_keepalive = watchdog.new(keepalive_timeout, function () session.log("info", "Keepalive ping timed out, closing connection"); session:close("connection-timeout"); end); end); module:hook("s2sout-established", function (event) local session = event.session; if session.watchdog_keepalive then return end -- in case mod_bidi fires this twice session.watchdog_keepalive = watchdog.new(keepalive_timeout, function () session.log("info", "Keepalive ping timed out, closing connection"); session:close("connection-timeout"); end); end); module:hook("iq-result/host/keepalive", function (event) local origin = event.origin; if origin.watchdog_keepalive then origin.watchdog_keepalive:reset(); end if s2sout[origin.from_host] and s2sout[origin.from_host].watchdog_keepalive then s2sout[origin.from_host].watchdog_keepalive:reset(); end return true; end); module:hook("iq-error/host/keepalive", function (event) local origin = event.origin; if origin.dummy then return end -- Probably a sendq bounce if origin.type == "s2sin" or origin.type == "s2sout" then -- An error from the remote means connectivity is ok, -- so treat it the same as a result return module:fire_event("iq-result/host/keepalive", event); end end); module:add_timer(keepalive_interval, send_pings);