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mod_s2s_idle_timeout/mod_s2s_idle_timeout.lua @ 4840:e9b7c8db3ebd
mod_rest: Fixup internal schema references for correctness
With JSON Pointer support in util.datamapper, it is now possible to use
the schema file as-is without the fixups mod_rest does.
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 29 Dec 2021 18:31:40 +0100 |
parent | 932:4e235e565693 |
rev | line source |
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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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5 |
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6 local s2s_sessions = setmetatable({}, { __mode = "kv" }); |
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7 |
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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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10 |
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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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49 |
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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 |