From 7b445486a0173b2d2b96e5639de02d81fc10a0f8 Mon Sep 17 00:00:00 2001 From: Matthew Wild Date: Mon, 8 Mar 2010 02:13:41 +0000 Subject: sessionmanager, s2smanager: Destroyed sessions are now simply resting (not dead) until they are collected - prevents a whole class of tracebacks --- core/s2smanager.lua | 30 +++++++++++++++++++++--------- 1 file changed, 21 insertions(+), 9 deletions(-) (limited to 'core/s2smanager.lua') diff --git a/core/s2smanager.lua b/core/s2smanager.lua index 16ede7b6..0435bea9 100644 --- a/core/s2smanager.lua +++ b/core/s2smanager.lua @@ -16,8 +16,10 @@ local socket = require "socket"; local format = string.format; local t_insert, t_sort = table.insert, table.sort; local get_traceback = debug.traceback; -local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber - = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber; +local tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, + setmetatable + = tostring, pairs, ipairs, getmetatable, newproxy, error, tonumber, + setmetatable; local idna_to_ascii = require "util.encodings".idna.to_ascii; local connlisteners_get = require "net.connlisteners".get; @@ -510,7 +512,22 @@ function mark_connected(session) end end -local function null_data_handler(conn, data) log("debug", "Discarding data from destroyed s2s session: %s", data); end +local resting_session = { -- Resting, not dead + destroyed = true; + }; resting_session.__index = resting_session; + +function retire_session(session) + local log = session.log or log; + for k in pairs(session) do + if k ~= "trace" and k ~= "log" and k ~= "id" then + session[k] = nil; + end + end + + function session.send(data) log("debug", "Discarding data sent to resting session: %s", tostring(data)); end + function session.data(data) log("debug", "Discarding data received from resting session: %s", tostring(data)); end + return setmetatable(session, resting_session); +end function destroy_session(session, reason) (session.log or log)("info", "Destroying "..tostring(session.direction).." session "..tostring(session.from_host).."->"..tostring(session.to_host)); @@ -522,12 +539,7 @@ function destroy_session(session, reason) incoming_s2s[session] = nil; end - for k in pairs(session) do - if k ~= "trace" then - session[k] = nil; - end - end - session.data = null_data_handler; + retire_session(session); -- Clean session until it is GC'd end return _M; -- cgit v1.2.3