--- a/core/rostermanager.lua Tue Dec 24 01:01:05 2019 +0100
+++ b/core/rostermanager.lua Sun Dec 16 02:56:11 2018 +0100
@@ -12,6 +12,7 @@
local log = require "util.logger".init("rostermanager");
local new_id = require "util.id".short;
+local new_cache = require "util.cache".new;
local pairs = pairs;
local tostring = tostring;
@@ -111,6 +112,23 @@
else -- Attempt to load roster for non-loaded user
log("debug", "load_roster: loading for offline user: %s", jid);
end
+ local roster_cache = hosts[host] and hosts[host].roster_cache;
+ if not roster_cache then
+ if hosts[host] then
+ roster_cache = new_cache(1024);
+ hosts[host].roster_cache = roster_cache;
+ end
+ else
+ roster = roster_cache:get(jid);
+ if roster then
+ log("debug", "load_roster: cache hit");
+ roster_cache:set(jid, roster);
+ if user then user.roster = roster; end
+ return roster;
+ else
+ log("debug", "load_roster: cache miss, loading from storage");
+ end
+ end
local roster_store = storagemanager.open(host, "roster", "keyval");
local data, err = roster_store:get(username);
roster = data or {};
@@ -134,6 +152,10 @@
if not err then
hosts[host].events.fire_event("roster-load", { username = username, host = host, roster = roster });
end
+ if roster_cache and not user then
+ log("debug", "load_roster: caching loaded roster");
+ roster_cache:set(jid, roster);
+ end
return roster, err;
end