diff options
Diffstat (limited to 'plugins/mod_storage_internal.lua')
| -rw-r--r-- | plugins/mod_storage_internal.lua | 160 |
1 files changed, 152 insertions, 8 deletions
diff --git a/plugins/mod_storage_internal.lua b/plugins/mod_storage_internal.lua index 0becfc8f..5d685ed9 100644 --- a/plugins/mod_storage_internal.lua +++ b/plugins/mod_storage_internal.lua @@ -1,12 +1,18 @@ +local cache = require "util.cache"; local datamanager = require "core.storagemanager".olddm; local array = require "util.array"; local datetime = require "util.datetime"; local st = require "util.stanza"; local now = require "util.time".now; local id = require "util.id".medium; +local jid_join = require "util.jid".join; +local set = require "util.set"; local host = module.host; +local archive_item_limit = module:get_option_number("storage_archive_item_limit", 10000); +local archive_item_count_cache = cache.new(module:get_option("storage_archive_item_limit_cache_size", 1000)); + local driver = {}; function driver:open(store, typ) @@ -43,6 +49,14 @@ end local archive = {}; driver.archive = { __index = archive }; +archive.caps = { + total = true; + quota = archive_item_limit; + truncate = true; + full_id_range = true; + ids = true; +}; + function archive:append(username, key, value, when, with) when = when or now(); if not st.is_stanza(value) then @@ -54,28 +68,57 @@ function archive:append(username, key, value, when, with) value.attr.stamp = datetime.datetime(when); value.attr.stamp_legacy = datetime.legacy(when); + local cache_key = jid_join(username, host, self.store); + local item_count = archive_item_count_cache:get(cache_key); + if key then local items, err = datamanager.list_load(username, host, self.store); if not items and err then return items, err; end + + -- Check the quota + item_count = items and #items or 0; + archive_item_count_cache:set(cache_key, item_count); + if item_count >= archive_item_limit then + module:log("debug", "%s reached or over quota, not adding to store", username); + return nil, "quota-limit"; + end + if items then + -- Filter out any item with the same key as the one being added items = array(items); items:filter(function (item) return item.key ~= key; end); + value.key = key; items:push(value); local ok, err = datamanager.list_store(username, host, self.store, items); if not ok then return ok, err; end + archive_item_count_cache:set(cache_key, #items); return key; end else + if not item_count then -- Item count not cached? + -- We need to load the list to get the number of items currently stored + local items, err = datamanager.list_load(username, host, self.store); + if not items and err then return items, err; end + item_count = items and #items or 0; + archive_item_count_cache:set(cache_key, item_count); + end + if item_count >= archive_item_limit then + module:log("debug", "%s reached or over quota, not adding to store", username); + return nil, "quota-limit"; + end key = id(); end + module:log("debug", "%s has %d items out of %d limit in store %s", username, item_count, archive_item_limit, self.store); + value.key = key; local ok, err = datamanager.list_append(username, host, self.store, value); if not ok then return ok, err; end + archive_item_count_cache:set(cache_key, item_count+1); return key; end @@ -84,12 +127,18 @@ function archive:find(username, query) if not items then if err then return items, err; - else - return function () end, 0; + elseif query then + if query.before or query.after then + return nil, "item-not-found"; + end + if query.total then + return function () end, 0; + end end + return function () end; end - local count = #items; - local i = 0; + local count = nil; + local i, last_key = 0; if query then items = array(items); if query.key then @@ -97,6 +146,12 @@ function archive:find(username, query) return item.key == query.key; end); end + if query.ids then + local ids = set.new(query.ids); + items:filter(function (item) + return ids:contains(item.key); + end); + end if query.with then items:filter(function (item) return item.with == query.with; @@ -114,24 +169,40 @@ function archive:find(username, query) return when <= query["end"]; end); end - count = #items; + if query.total then + count = #items; + end if query.reverse then items:reverse(); if query.before then - for j = 1, count do + local found = false; + for j = 1, #items do if (items[j].key or tostring(j)) == query.before then + found = true; i = j; break; end end + if not found then + return nil, "item-not-found"; + end end + last_key = query.after; elseif query.after then - for j = 1, count do + local found = false; + for j = 1, #items do if (items[j].key or tostring(j)) == query.after then + found = true; i = j; break; end end + if not found then + return nil, "item-not-found"; + end + last_key = query.before; + elseif query.before then + last_key = query.before; end if query.limit and #items - i > query.limit then items[i+query.limit+1] = nil; @@ -140,7 +211,9 @@ function archive:find(username, query) return function () i = i + 1; local item = items[i]; - if not item then return; end + if not item or (last_key and item.key == last_key) then + return; + end local key = item.key or tostring(i); local when = item.when or datetime.parse(item.attr.stamp); local with = item.with; @@ -152,14 +225,83 @@ function archive:find(username, query) end, count; end +function archive:get(username, wanted_key) + local iter, err = self:find(username, { key = wanted_key }) + if not iter then return iter, err; end + for key, stanza, when, with in iter do + if key == wanted_key then + return stanza, when, with; + end + end + return nil, "item-not-found"; +end + +function archive:set(username, key, new_value, new_when, new_with) + local items, err = datamanager.list_load(username, host, self.store); + if not items then + if err then + return items, err; + else + return nil, "item-not-found"; + end + end + + for i = 1, #items do + local old_item = items[i]; + if old_item.key == key then + local item = st.preserialize(st.clone(new_value)); + + local when = new_when or old_item.when or datetime.parse(old_item.attr.stamp); + item.key = key; + item.when = when; + item.with = new_with or old_item.with; + item.attr.stamp = datetime.datetime(when); + item.attr.stamp_legacy = datetime.legacy(when); + items[i] = item; + return datamanager.list_store(username, host, self.store, items); + end + end + + return nil, "item-not-found"; +end + function archive:dates(username) local items, err = datamanager.list_load(username, host, self.store); if not items then return items, err; end return array(items):pluck("when"):map(datetime.date):unique(); end +function archive:summary(username, query) + local iter, err = self:find(username, query) + if not iter then return iter, err; end + local counts = {}; + local earliest = {}; + local latest = {}; + local body = {}; + for _, stanza, when, with in iter do + counts[with] = (counts[with] or 0) + 1; + if earliest[with] == nil then + earliest[with] = when; + end + latest[with] = when; + body[with] = stanza:get_child_text("body") or body[with]; + end + return { + counts = counts; + earliest = earliest; + latest = latest; + body = body; + }; +end + +function archive:users() + return datamanager.users(host, self.store, "list"); +end + function archive:delete(username, query) + local cache_key = jid_join(username, host, self.store); if not query or next(query) == nil then + archive_item_count_cache:set(cache_key, nil); return datamanager.list_store(username, host, self.store, nil); end local items, err = datamanager.list_load(username, host, self.store); @@ -167,6 +309,7 @@ function archive:delete(username, query) if err then return items, err; end + archive_item_count_cache:set(cache_key, 0); -- Store is empty return 0; end @@ -216,6 +359,7 @@ function archive:delete(username, query) end local ok, err = datamanager.list_store(username, host, self.store, items); if not ok then return ok, err; end + archive_item_count_cache:set(cache_key, #items); return count; end |