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comparison mod_presence_cache/mod_presence_cache.lua @ 2152:bb4a2e4b7ba7

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mod_presence_cache: Forget about cached presence when receiving unavailable
author Kim Alvefur <zash@zash.se>
date Sun, 03 Apr 2016 00:37:11 +0200
parents ed2bb50d4f91
children aa24d49c47ef
comparison
equal deleted inserted replaced
2151:96aca307964b 2152:bb4a2e4b7ba7
20 if next(jids) == nil then 20 if next(jids) == nil then
21 bare_cache[bare_cache_key] = nil; 21 bare_cache[bare_cache_key] = nil;
22 end 22 end
23 end 23 end
24 24
25 -- used indirectly for the on_evict callback
25 local presence_cache = cache.new(cache_size, on_evict); 26 local presence_cache = cache.new(cache_size, on_evict);
26 27
27 local function cache_hook(event) 28 local function cache_hook(event)
28 local origin, stanza = event.origin, event.stanza; 29 local origin, stanza = event.origin, event.stanza;
29 local typ = stanza.attr.type; 30 local typ = stanza.attr.type;
39 return; 40 return;
40 end 41 end
41 42
42 local cache_key = username .. "\0" .. contact_full; 43 local cache_key = username .. "\0" .. contact_full;
43 local bare_cache_key = username .. "\0" .. contact_bare; 44 local bare_cache_key = username .. "\0" .. contact_bare;
45
46 local jids = bare_cache[bare_cache_key];
47
48 if typ == "unavailable" then -- remove from cache
49 presence_cache:set(cache_key, nil);
50 on_evict(cache_key);
51 return;
52 end
53
44 local stamp = datetime.datetime(); 54 local stamp = datetime.datetime();
45 local jids = bare_cache[bare_cache_key];
46 if jids then 55 if jids then
47 jids[contact_full] = stamp; 56 jids[contact_full] = stamp;
48 else 57 else
49 jids = { [contact_full] = stamp }; 58 jids = { [contact_full] = stamp };
50 bare_cache[bare_cache_key] = jids; 59 bare_cache[bare_cache_key] = jids;