annotate mod_muc_hats_api/mod_muc_hats_api.lua @ 4877:adc6241e5d16

mod_measure_process: Report the enforced limit The soft limit is what the kernel actually enforces, while the hard limit is is how far you can change the soft limit without privileges. Unless the process dynamically adjusts the soft limit, knowing the hard limit is not as useful as knowing the soft limit. Reporting the soft limit and the number of in-use FDs allows placing alerts on expressions like 'process_open_fds / process_max_fds >= 0.95'
author Kim Alvefur <zash@zash.se>
date Tue, 18 Jan 2022 18:55:20 +0100
parents 1f90e333b1d8
children
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1 local mod_muc = module:depends("muc");
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2
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3 function add_user_hat(user_jid, room_jid, hat_id, attachment)
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4 local room = mod_muc.get_room_from_jid(room_jid);
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5 if not room then
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6 return nil, "item-not-found", "no such room";
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7 end
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8 local user_aff = room:get_affiliation(user_jid);
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9 if not user_aff then
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10 return nil, "item-not-found", "user not affiliated with room";
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11 end
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12 local aff_data = room:get_affiliation_data(user_jid) or {};
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13 local hats = aff_data.hats;
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14 if not hats then
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15 hats = {};
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16 aff_data.hats = hats;
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17 end
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18
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19 hats[hat_id] = {
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20 active = attachment.active;
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21 required = attachment.required;
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22 title = attachment.title;
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23 };
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24
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25 local ok, err = room:set_affiliation(true, user_jid, user_aff, nil, aff_data);
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26 if not ok then
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27 return nil, err;
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28 end
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29 return true;
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30 end
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31
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32 function remove_user_hat(user_jid, room_jid, hat_id)
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33 local room = mod_muc.get_room_from_jid(room_jid);
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34 if not room then
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35 return nil, "item-not-found", "no such room";
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36 end
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37 local user_aff = room:get_affiliation(user_jid);
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38 if not user_aff then
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39 return nil, "item-not-found", "user not affiliated with room";
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40 end
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41 local aff_data = room:get_affiliation_data(user_jid);
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42 local hats = aff_data and aff_data.hats;
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43 if not hats then
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44 return true;
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45 end
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47 hats[hat_id] = nil;
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48
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49 local ok, err = room:set_affiliation(true, user_jid, user_aff, nil, aff_data);
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50 if not ok then
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51 return nil, err;
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52 end
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53 return true;
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54 end
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55
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56 function set_user_hats(user_jid, room_jid, new_hats)
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57 local room = mod_muc.get_room_from_jid(room_jid);
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58 if not room then
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59 return nil, "item-not-found", "no such room";
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60 end
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61 local user_aff = room:get_affiliation(user_jid);
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62 if not user_aff then
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63 return nil, "item-not-found", "user not affiliated with room";
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64 end
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65 local aff_data = room:get_affiliation_data(user_jid) or {};
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66
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67 aff_data.hats = new_hats;
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68
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69 local ok, err = room:set_affiliation(true, user_jid, user_aff, nil, aff_data);
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70 if not ok then
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71 return nil, err;
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72 end
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73 return true;
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74 end
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75