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annotate mod_s2s_idle_timeout/mod_s2s_idle_timeout.lua @ 3571:f5ea0b886c7c

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mod_storage_xmlarchive: Limit search to smallest time range in case of inexact match This should improve performance in case the exact days in the 'start' and 'end' range are missing from the index.
author Kim Alvefur <zash@zash.se>
date Fri, 03 May 2019 18:59:38 +0200
parents 4e235e565693
children
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1 local now = os.time;
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2
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3 local s2smanager = require "core.s2smanager";
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4 local timer = require "util.timer";
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6 local s2s_sessions = setmetatable({}, { __mode = "kv" });
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8 local idle_timeout = module:get_option("s2s_idle_timeout") or 300;
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9 local check_interval = math.ceil(idle_timeout * 0.75);
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11 local function install_checks(session)
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12 if not session.last_received_time then
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13 session.last_received_time = now();
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14 if session.direction == "incoming" then
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15 local _data = session.data;
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16 function session.data(conn, data)
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17 session.last_received_time = now();
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18 return _data(conn, data);
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19 end
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20 else
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21 local _sends2s = session.sends2s;
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22 function session.sends2s(data)
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23 session.last_received_time = now();
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24 return _sends2s(data);
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25 end
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26 end
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27 s2s_sessions[session] = true;
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28 end
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29 end
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30
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31 module:hook("s2s-authenticated", function (event)
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32 install_checks(event.session);
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33 end);
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34
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35 function check_idle_sessions(time)
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36 time = time or now();
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37 for session in pairs(s2s_sessions) do
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38 local last_received_time = session.last_received_time;
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39 if last_received_time and time - last_received_time > idle_timeout then
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40 module:log("debug", "Closing idle connection %s->%s",
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41 session.from_host or "(unknown)", session.to_host or "(unknown)");
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42 session:close(); -- Close-on-idle isn't an error
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43 s2s_sessions[session] = nil;
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44 end
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45 end
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46 return check_interval;
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47 end
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48 timer.add_task(check_interval, check_idle_sessions);
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50 function module.save()
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51 return { s2s_sessions = s2s_sessions };
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52 end
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53
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54 function module.restore(data)
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55 s2s_sessions = setmetatable(data.s2s_sessions or {}, { __mode = "kv" });
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56 end