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annotate mod_measure_active_users/mod_measure_active_users.lua @ 5243:d5dc8edb2695

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mod_http_oauth2: Use more compact IDs UUIDs are nice but so verbose! The reduction in entropy for the nonce should be fine since the timestamp is also counts towards this, and it changes every second (modulo clock shenanigans), so the chances of someone managing to get the same client_secret by registering with the same information at the same time as another entity should be negligible.
author Kim Alvefur <zash@zash.se>
date Sat, 11 Mar 2023 22:46:27 +0100
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);