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annotate mod_measure_active_users/mod_measure_active_users.lua @ 5382:12498c0d705f

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mod_http_oauth2: Reorder routes into order they happen in OAuth 2.0 Since I usually start here to remember the order of things, might as well turn it into a mini step by step guide :)
author Kim Alvefur <zash@zash.se>
date Sat, 29 Apr 2023 11:26:04 +0200
parents 1132f2888cd2
children 34b46d157797
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1132f2888cd2 mod_measure_active_users: Calculate active user counts over fixed time periods
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1 local store = module:open_store("lastlog2");
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2
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3 local measure_d1 = module:measure("active_users_1d", "amount");
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4 local measure_d7 = module:measure("active_users_7d", "amount");
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5 local measure_d30 = module:measure("active_users_30d", "amount");
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6
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7 function update_calculations()
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8 module:log("debug", "Calculating active users");
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9 local host_user_sessions = prosody.hosts[module.host].sessions;
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10 local active_d1, active_d7, active_d30 = 0, 0, 0;
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11 local now = os.time();
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12 for username in store:users() do
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13 if host_user_sessions[username] then
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14 -- Active now
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15 active_d1, active_d7, active_d30 =
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16 active_d1 + 1, active_d7 + 1, active_d30 + 1;
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17 else
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18 local lastlog_data = store:get(username);
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19 if lastlog_data then
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20 -- Due to server restarts/crashes/etc. some events
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21 -- may not always get recorded, so we'll just take the
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22 -- latest as a sign of last activity
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23 local last_active = math.max(
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24 lastlog_data.login and lastlog_data.login.timestamp or 0,
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25 lastlog_data.logout and lastlog_data.logout.timestamp or 0
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26 );
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27 if now - last_active < 86400 then
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28 active_d1 = active_d1 + 1;
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29 end
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30 if now - last_active < 86400*7 then
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31 active_d7 = active_d7 + 1;
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32 end
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33 if now - last_active < 86400*30 then
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34 active_d30 = active_d30 + 1;
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35 end
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36 end
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37 end
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38 end
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39 module:log("debug", "Active users (took %ds): %d (24h), %d (7d), %d (30d)", os.time()-now, active_d1, active_d7, active_d30);
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40 measure_d1(active_d1);
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41 measure_d7(active_d7);
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42 measure_d30(active_d30);
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43
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44 return 3600 + (300*math.random());
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45 end
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46
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47 module:add_timer(15, update_calculations);