Mercurial > prosody-hg

annotate plugins/muc/occupant.lib.lua @ 10486:479e96e554c8

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net.server_epoll: Add debug logging for delayed reading In :onreadable, if there is still buffered incoming data after reading from the socket (as indicated by the :dirty method, usually because LuaSocket has an 8k buffer that's full but it read a smaller amount), another attempt to read is scheduled via this :pausefor method. This is also called from some other places where it would be pointless to read because there shouldn't be any data. In the delayed read case, this should report that the socket is "dirty". If it reports that the socket is "clean" then the question is where the buffer contents went? If this doesn't get logged after the scheduled time (0.000001s by default) then this would suggests a problem with timer or scheduling.
author Kim Alvefur <zash@zash.se>
date Sat, 07 Dec 2019 19:05:10 +0100
parents 6cc7c9da29ed
children 74b9e05af71e
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1 local pairs = pairs;
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2 local setmetatable = setmetatable;
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3 local st = require "util.stanza";
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4 local util = module:require "muc/util";
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5
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6 local function get_filtered_presence(stanza)
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7 return util.filter_muc_x(st.clone(stanza));
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8 end
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9
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10 local occupant_mt = {};
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11 occupant_mt.__index = occupant_mt;
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12
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13 local function new_occupant(bare_real_jid, nick)
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14 return setmetatable({
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15 bare_jid = bare_real_jid;
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16 nick = nick; -- in-room jid
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17 sessions = {}; -- hash from real_jid to presence stanzas. stanzas should not be modified
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18 role = nil;
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19 jid = nil; -- Primary session
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20 }, occupant_mt);
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21 end
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22
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23 -- Deep copy an occupant
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24 local function copy_occupant(occupant)
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25 local sessions = {};
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26 for full_jid, presence_stanza in pairs(occupant.sessions) do
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27 -- Don't keep unavailable presences, as they'll accumulate; unless they're the primary session
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28 if presence_stanza.attr.type ~= "unavailable" or full_jid == occupant.jid then
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29 sessions[full_jid] = presence_stanza;
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30 end
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31 end
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32 return setmetatable({
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33 bare_jid = occupant.bare_jid;
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34 nick = occupant.nick;
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35 sessions = sessions;
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36 role = occupant.role;
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37 jid = occupant.jid;
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38 }, occupant_mt);
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39 end
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40
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41 -- finds another session to be the primary (there might not be one)
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42 function occupant_mt:choose_new_primary()
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43 for jid, pr in self:each_session() do
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44 if pr.attr.type == nil then
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45 return jid;
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46 end
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47 end
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48 return nil;
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49 end
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50
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51 function occupant_mt:set_session(real_jid, presence_stanza, replace_primary)
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52 local pr = get_filtered_presence(presence_stanza);
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53 pr.attr.from = self.nick;
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54 pr.attr.to = real_jid;
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55
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56 self.sessions[real_jid] = pr;
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57 if replace_primary then
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58 self.jid = real_jid;
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59 elseif self.jid == nil or (pr.attr.type == "unavailable" and self.jid == real_jid) then
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60 -- Only leave an unavailable presence as primary when there are no other options
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61 self.jid = self:choose_new_primary() or real_jid;
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62 end
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63 end
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64
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65 function occupant_mt:remove_session(real_jid)
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66 -- Delete original session
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67 self.sessions[real_jid] = nil;
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68 if self.jid == real_jid then
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69 self.jid = self:choose_new_primary();
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70 end
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71 end
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72
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73 function occupant_mt:each_session()
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74 return pairs(self.sessions)
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75 end
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76
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77 function occupant_mt:get_presence(real_jid)
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78 return self.sessions[real_jid or self.jid]
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79 end
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80
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81 return {
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82 new = new_occupant;
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83 copy = copy_occupant;
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84 mt = occupant_mt;
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85 }