prosody
396db0e7084f
plugins/mod_storage_internal.lua

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plugins/mod_storage_internal.lua @ 13136:396db0e7084f

mod_storage_internal: Use a binary search for time based ranges Iterating over an entire archive to find a few items in the far end from where iteration started is expensive, and probably more expensive with the lazy-loading of items added in the previous commit. Since we can now efficiently read items in random order, we can now use a binary search to find a better starting point for iteration.
author Kim Alvefur <zash@zash.se>
date Wed, 12 May 2021 01:32:03 +0200
parent 13135:3fd24e1945b0
child 13187:fe1229919070
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 local cache = require "prosody.util.cache";
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2 local datamanager = require "prosody.core.storagemanager".olddm;
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3 local array = require "prosody.util.array";
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4 local datetime = require "prosody.util.datetime";
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5 local st = require "prosody.util.stanza";
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6 local now = require "prosody.util.time".now;
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7 local id = require "prosody.util.id".medium;
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8 local jid_join = require "prosody.util.jid".join;
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9 local set = require "prosody.util.set";
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3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
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10 local it = require "prosody.util.iterators";
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11
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12 local host = module.host;
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13
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5669bb11ac7b mod_storage_internal: Increase default quota to 10 000
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14 local archive_item_limit = module:get_option_number("storage_archive_item_limit", 10000);
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15 local archive_item_count_cache = cache.new(module:get_option("storage_archive_item_limit_cache_size", 1000));
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16
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b41c33dc7c36 mod_storage_*: Don't explicitly set driver name, to ease copying/renaming modules.
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17 local driver = {};
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18
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19 function driver:open(store, typ)
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20 local mt = self[typ or "keyval"]
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21 if not mt then
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22 return nil, "unsupported-store";
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23 end
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24 return setmetatable({ store = store, type = typ }, mt);
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25 end
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26
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27 function driver:stores(username) -- luacheck: ignore 212/self
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28 return datamanager.stores(username, host);
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29 end
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30
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31 function driver:purge(user) -- luacheck: ignore 212/self
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32 return datamanager.purge(user, host);
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33 end
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34
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35 local keyval = { };
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36 driver.keyval = { __index = keyval };
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37
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38 function keyval:get(user)
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39 return datamanager.load(user, host, self.store);
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40 end
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41
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42 function keyval:set(user, data)
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43 return datamanager.store(user, host, self.store, data);
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44 end
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45
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46 function keyval:users()
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47 return datamanager.users(host, self.store, self.type);
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48 end
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49
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50 local archive = {};
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51 driver.archive = { __index = archive };
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52
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53 archive.caps = {
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54 total = true;
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55 quota = archive_item_limit;
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56 truncate = true;
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57 full_id_range = true;
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58 ids = true;
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59 };
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60
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61 function archive:append(username, key, value, when, with)
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62 when = when or now();
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63 if not st.is_stanza(value) then
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64 return nil, "unsupported-datatype";
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65 end
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66 value = st.preserialize(st.clone(value));
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67 value.when = when;
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68 value.with = with;
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69 value.attr.stamp = datetime.datetime(when);
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70
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71 local cache_key = jid_join(username, host, self.store);
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72 local item_count = archive_item_count_cache:get(cache_key);
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73
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74 if key then
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75 local items, err = datamanager.list_load(username, host, self.store);
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76 if not items and err then return items, err; end
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77
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78 -- Check the quota
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79 item_count = items and #items or 0;
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80 archive_item_count_cache:set(cache_key, item_count);
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81 if item_count >= archive_item_limit then
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82 module:log("debug", "%s reached or over quota, not adding to store", username);
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83 return nil, "quota-limit";
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84 end
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85
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86 if items then
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87 -- Filter out any item with the same key as the one being added
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88 items = array(items);
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89 items:filter(function (item)
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90 return item.key ~= key;
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91 end);
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92
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93 value.key = key;
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94 items:push(value);
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95 local ok, err = datamanager.list_store(username, host, self.store, items);
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96 if not ok then return ok, err; end
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97 archive_item_count_cache:set(cache_key, #items);
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98 return key;
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99 end
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100 else
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101 if not item_count then -- Item count not cached?
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102 -- We need to load the list to get the number of items currently stored
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103 local items, err = datamanager.list_load(username, host, self.store);
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104 if not items and err then return items, err; end
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105 item_count = items and #items or 0;
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106 archive_item_count_cache:set(cache_key, item_count);
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107 end
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108 if item_count >= archive_item_limit then
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109 module:log("debug", "%s reached or over quota, not adding to store", username);
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110 return nil, "quota-limit";
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111 end
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112 key = id();
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113 end
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114
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115 module:log("debug", "%s has %d items out of %d limit in store %s", username, item_count, archive_item_limit, self.store);
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116
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117 value.key = key;
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118
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119 local ok, err = datamanager.list_append(username, host, self.store, value);
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parents: 8020
diff changeset
120 if not ok then return ok, err; end
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
121 archive_item_count_cache:set(cache_key, item_count+1);
8021
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Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
122 return key;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
123 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
124
13136
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Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
125 local function binary_search(haystack, test, min, max)
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
126 if min == nil then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
127 min = 1;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
128 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
129 if max == nil then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
130 max = #haystack;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
131 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
132
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
133 local floor = math.floor;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
134 while min < max do
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
135 local mid = floor((max + min) / 2);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
136
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
137 local result = test(haystack[mid]);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
138 if result < 0 then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
139 max = mid;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
140 elseif result > 0 then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
141 min = mid + 1;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
142 else
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
143 return mid, haystack[mid];
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
144 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
145 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
146
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
147 return min, nil;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
148 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
149
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Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
150 function archive:find(username, query)
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
151 local list, err = datamanager.list_open(username, host, self.store);
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
152 if not list then
8173
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
153 if err then
13135
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Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
154 return list, err;
9997
7c4631d7b6fb mod_storage_internal,memory: Only return total count if requested
Kim Alvefur <zash@zash.se>
parents: 9903
diff changeset
155 elseif query then
10024
4a0d990253a0 mod_storage_internal: Return appropriate error even with empty archive
Kim Alvefur <zash@zash.se>
parents: 10018
diff changeset
156 if query.before or query.after then
4a0d990253a0 mod_storage_internal: Return appropriate error even with empty archive
Kim Alvefur <zash@zash.se>
parents: 10018
diff changeset
157 return nil, "item-not-found";
4a0d990253a0 mod_storage_internal: Return appropriate error even with empty archive
Kim Alvefur <zash@zash.se>
parents: 10018
diff changeset
158 end
9997
7c4631d7b6fb mod_storage_internal,memory: Only return total count if requested
Kim Alvefur <zash@zash.se>
parents: 9903
diff changeset
159 if query.total then
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
160 return function()
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
161 end, 0;
9997
7c4631d7b6fb mod_storage_internal,memory: Only return total count if requested
Kim Alvefur <zash@zash.se>
parents: 9903
diff changeset
162 end
8173
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
163 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
164 return function()
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
165 end;
8173
3ff99d49082f mod_storage_internal: Return a noop iterator if archive is empty (fixes #920)
Kim Alvefur <zash@zash.se>
parents: 8143
diff changeset
166 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
167
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
168 local i = 0;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
169 local iter = function()
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
170 i = i + 1;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
171 return list[i]
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
172 end
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
173
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Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
174 if query then
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
175 if query.reverse then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
176 i = #list + 1
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
177 iter = function()
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
178 i = i - 1
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
179 return list[i]
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
180 end
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
181 end
8089
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
182 if query.key then
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
183 iter = it.filter(function(item)
8089
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
184 return item.key == query.key;
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
185 end, iter);
8089
4ba8cb75d925 mod_storage_internal: Support the 'key' archive query field
Kim Alvefur <zash@zash.se>
parents: 8023
diff changeset
186 end
11278
c3907f05bed4 mod_storage_internal: Support query for set of IDs
Kim Alvefur <zash@zash.se>
parents: 11275
diff changeset
187 if query.ids then
c3907f05bed4 mod_storage_internal: Support query for set of IDs
Kim Alvefur <zash@zash.se>
parents: 11275
diff changeset
188 local ids = set.new(query.ids);
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
189 iter = it.filter(function(item)
11278
c3907f05bed4 mod_storage_internal: Support query for set of IDs
Kim Alvefur <zash@zash.se>
parents: 11275
diff changeset
190 return ids:contains(item.key);
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
191 end, iter);
11278
c3907f05bed4 mod_storage_internal: Support query for set of IDs
Kim Alvefur <zash@zash.se>
parents: 11275
diff changeset
192 end
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
193 if query.with then
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
194 iter = it.filter(function(item)
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
195 return item.with == query.with;
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
196 end, iter);
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
197 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
198 if query.start then
13136
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
199 if not query.reverse then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
200 local wi, exact = binary_search(list, function(item)
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
201 local when = item.when or datetime.parse(item.attr.stamp);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
202 return query.start - when;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
203 end);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
204 if exact then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
205 i = wi - 1;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
206 elseif wi then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
207 i = wi;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
208 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
209 else
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
210 iter = it.filter(function(item)
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
211 local when = item.when or datetime.parse(item.attr.stamp);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
212 return when >= query.start;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
213 end, iter);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
214 end
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
215 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
216 if query["end"] then
13136
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
217 if query.reverse then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
218 local wi = binary_search(list, function(item)
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
219 local when = item.when or datetime.parse(item.attr.stamp);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
220 return query["end"] - when;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
221 end);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
222 if wi then
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
223 i = wi + 1;
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
224 end
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
225 else
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
226 iter = it.filter(function(item)
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
227 local when = item.when or datetime.parse(item.attr.stamp);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
228 return when <= query["end"];
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
229 end, iter);
396db0e7084f mod_storage_internal: Use a binary search for time based ranges
Kim Alvefur <zash@zash.se>
parents: 13135
diff changeset
230 end
9997
7c4631d7b6fb mod_storage_internal,memory: Only return total count if requested
Kim Alvefur <zash@zash.se>
parents: 9903
diff changeset
231 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
232 if query.after then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
233 local found = false;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
234 iter = it.filter(function(item)
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
235 local found_after = found;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
236 if item.key == query.after then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
237 found = true
10018
7408b9473729 mod_storage_internal: Return error if 'before' or 'after' are not found (partial fix for #1325)
Kim Alvefur <zash@zash.se>
parents: 10001
diff changeset
238 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
239 return found_after;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
240 end, iter);
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
241 end
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
242 if query.before then
10018
7408b9473729 mod_storage_internal: Return error if 'before' or 'after' are not found (partial fix for #1325)
Kim Alvefur <zash@zash.se>
parents: 10001
diff changeset
243 local found = false;
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
244 iter = it.filter(function(item)
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
245 if item.key == query.before then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
246 found = true
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
247 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
248 return not found;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
249 end, iter);
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
250 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
251 if query.limit then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
252 iter = it.head(query.limit, iter);
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
253 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
254 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
255
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
256 return function()
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
257 local item = iter();
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
258 if item == nil then
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
259 return
10926
c55bd98a54f8 mod_storage_internal, mod_storage_memory: Add support for query.before
Matthew Wild <mwild1@gmail.com>
parents: 10844
diff changeset
260 end
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
261 local key = item.key;
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
262 local when = item.when or item.attr and datetime.parse(item.attr.stamp);
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
263 local with = item.with;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
264 item.key, item.when, item.with = nil, nil, nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
265 item.attr.stamp = nil;
11765
1cac469b18d0 mod_storage_internal: Stop storing XEP-0091 timestamp
Kim Alvefur <zash@zash.se>
parents: 11278
diff changeset
266 -- COMPAT Stored data may still contain legacy XEP-0091 timestamp
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
267 item.attr.stamp_legacy = nil;
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
268 item = st.deserialize(item);
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
269 return key, item, when, with;
13135
3fd24e1945b0 mod_storage_internal: Lazy-load archive items while iterating
Kim Alvefur <zash@zash.se>
parents: 12977
diff changeset
270 end
8021
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
271 end
83f18982bcfd mod_storage_internal: Add basic archive store implementation
Kim Alvefur <zash@zash.se>
parents: 8020
diff changeset
272
10837
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
273 function archive:get(username, wanted_key)
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
274 local iter, err = self:find(username, { key = wanted_key })
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
275 if not iter then return iter, err; end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
276 for key, stanza, when, with in iter do
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
277 if key == wanted_key then
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
278 return stanza, when, with;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
279 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
280 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
281 return nil, "item-not-found";
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
282 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
283
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
284 function archive:set(username, key, new_value, new_when, new_with)
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
285 local items, err = datamanager.list_load(username, host, self.store);
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
286 if not items then
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
287 if err then
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
288 return items, err;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
289 else
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
290 return nil, "item-not-found";
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
291 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
292 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
293
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
294 for i = 1, #items do
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
295 local old_item = items[i];
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
296 if old_item.key == key then
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
297 local item = st.preserialize(st.clone(new_value));
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
298
10842
5a6ba2f38e2b mod_storage_internal: Fix keeping old timestamp in archive map API
Kim Alvefur <zash@zash.se>
parents: 10837
diff changeset
299 local when = new_when or old_item.when or datetime.parse(old_item.attr.stamp);
10837
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
300 item.key = key;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
301 item.when = when;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
302 item.with = new_with or old_item.with;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
303 item.attr.stamp = datetime.datetime(when);
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
304 items[i] = item;
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
305 return datamanager.list_store(username, host, self.store, items);
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
306 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
307 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
308
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
309 return nil, "item-not-found";
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
310 end
f23363380599 mod_storage_internal: Implement key-value API
Kim Alvefur <zash@zash.se>
parents: 10223
diff changeset
311
8023
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
312 function archive:dates(username)
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
313 local items, err = datamanager.list_load(username, host, self.store);
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
314 if not items then return items, err; end
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
315 return array(items):pluck("when"):map(datetime.date):unique();
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
316 end
5a9d491cc714 mod_storage_internal: Add the dates method
Kim Alvefur <zash@zash.se>
parents: 8022
diff changeset
317
9903
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
318 function archive:summary(username, query)
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
319 local iter, err = self:find(username, query)
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
320 if not iter then return iter, err; end
10220
1e2b444acb72 mod_storage_*: Tweak :summary API to allow future expansion with more fields
Kim Alvefur <zash@zash.se>
parents: 10024
diff changeset
321 local counts = {};
10222
51f145094648 mod_storage_*: Also include timestmap of first message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10221
diff changeset
322 local earliest = {};
10221
068692cb9e78 mod_storage_*: Include timestamp of latest message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10220
diff changeset
323 local latest = {};
10223
d185c4961ee0 mod_storage_internal: Include last text message
Kim Alvefur <zash@zash.se>
parents: 10222
diff changeset
324 local body = {};
d185c4961ee0 mod_storage_internal: Include last text message
Kim Alvefur <zash@zash.se>
parents: 10222
diff changeset
325 for _, stanza, when, with in iter do
10220
1e2b444acb72 mod_storage_*: Tweak :summary API to allow future expansion with more fields
Kim Alvefur <zash@zash.se>
parents: 10024
diff changeset
326 counts[with] = (counts[with] or 0) + 1;
10222
51f145094648 mod_storage_*: Also include timestmap of first message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10221
diff changeset
327 if earliest[with] == nil then
51f145094648 mod_storage_*: Also include timestmap of first message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10221
diff changeset
328 earliest[with] = when;
51f145094648 mod_storage_*: Also include timestmap of first message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10221
diff changeset
329 end
10221
068692cb9e78 mod_storage_*: Include timestamp of latest message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10220
diff changeset
330 latest[with] = when;
10223
d185c4961ee0 mod_storage_internal: Include last text message
Kim Alvefur <zash@zash.se>
parents: 10222
diff changeset
331 body[with] = stanza:get_child_text("body") or body[with];
9903
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
332 end
10220
1e2b444acb72 mod_storage_*: Tweak :summary API to allow future expansion with more fields
Kim Alvefur <zash@zash.se>
parents: 10024
diff changeset
333 return {
1e2b444acb72 mod_storage_*: Tweak :summary API to allow future expansion with more fields
Kim Alvefur <zash@zash.se>
parents: 10024
diff changeset
334 counts = counts;
10222
51f145094648 mod_storage_*: Also include timestmap of first message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10221
diff changeset
335 earliest = earliest;
10221
068692cb9e78 mod_storage_*: Include timestamp of latest message in :summary API
Kim Alvefur <zash@zash.se>
parents: 10220
diff changeset
336 latest = latest;
10223
d185c4961ee0 mod_storage_internal: Include last text message
Kim Alvefur <zash@zash.se>
parents: 10222
diff changeset
337 body = body;
10220
1e2b444acb72 mod_storage_*: Tweak :summary API to allow future expansion with more fields
Kim Alvefur <zash@zash.se>
parents: 10024
diff changeset
338 };
9903
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
339 end
2c5546cc5c70 mod_storage_internal: Implement a summary API returning message counts per contact
Kim Alvefur <zash@zash.se>
parents: 9895
diff changeset
340
10001
55f5588d71c6 mod_storage_internal: Add support for iterating over users in archive stores
Kim Alvefur <zash@zash.se>
parents: 9997
diff changeset
341 function archive:users()
55f5588d71c6 mod_storage_internal: Add support for iterating over users in archive stores
Kim Alvefur <zash@zash.se>
parents: 9997
diff changeset
342 return datamanager.users(host, self.store, "list");
55f5588d71c6 mod_storage_internal: Add support for iterating over users in archive stores
Kim Alvefur <zash@zash.se>
parents: 9997
diff changeset
343 end
55f5588d71c6 mod_storage_internal: Add support for iterating over users in archive stores
Kim Alvefur <zash@zash.se>
parents: 9997
diff changeset
344
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
345 function archive:delete(username, query)
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
346 local cache_key = jid_join(username, host, self.store);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
347 if not query or next(query) == nil then
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
348 archive_item_count_cache:set(cache_key, nil);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
349 return datamanager.list_store(username, host, self.store, nil);
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
350 end
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
351 local items, err = datamanager.list_load(username, host, self.store);
8143
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
352 if not items then
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
353 if err then
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
354 return items, err;
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
355 end
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
356 archive_item_count_cache:set(cache_key, 0);
8143
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
357 -- Store is empty
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
358 return 0;
c4c159953c72 mod_storage_internal: Handle case of empty item store when deleting (fixes #910)
Kim Alvefur <zash@zash.se>
parents: 8142
diff changeset
359 end
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
360 items = array(items);
8142
13e075549cb3 mod_storage_internal: Correctly calculate number of deleted items (fixes #912)
Kim Alvefur <zash@zash.se>
parents: 8089
diff changeset
361 local count_before = #items;
8310
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
362 if query then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
363 if query.key then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
364 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
365 return item.key ~= query.key;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
366 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
367 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
368 if query.with then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
369 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
370 return item.with ~= query.with;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
371 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
372 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
373 if query.start then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
374 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
375 return item.when < query.start;
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
376 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
377 end
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
378 if query["end"] then
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
379 items:filter(function (item)
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
380 return item.when > query["end"];
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
381 end);
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
382 end
9105
e735c9865f42 mod_storage_internal: Only apply truncate if there are more items than requested
Kim Alvefur <zash@zash.se>
parents: 8402
diff changeset
383 if query.truncate and #items > query.truncate then
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
384 if query.reverse then
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
385 -- Before: { 1, 2, 3, 4, 5, }
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
386 -- After: { 1, 2, 3 }
8394
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
387 for i = #items, query.truncate + 1, -1 do
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
388 items[i] = nil;
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
389 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
390 else
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
391 -- Before: { 1, 2, 3, 4, 5, }
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
392 -- After: { 3, 4, 5 }
8394
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
393 local offset = #items - query.truncate;
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
394 for i = 1, #items do
4892c22403d5 mod_storage_internal: Optimize truncation
Kim Alvefur <zash@zash.se>
parents: 8393
diff changeset
395 items[i] = items[i+offset];
8393
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
396 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
397 end
b6a7b83f8d87 mod_storage_internal: Allow truncating deletion at the beginning or end of an archive store
Kim Alvefur <zash@zash.se>
parents: 8310
diff changeset
398 end
8310
1759491b53db mod_storage_internal: Add more extensive query support to archive:delete method
Kim Alvefur <zash@zash.se>
parents: 8309
diff changeset
399 end
8142
13e075549cb3 mod_storage_internal: Correctly calculate number of deleted items (fixes #912)
Kim Alvefur <zash@zash.se>
parents: 8089
diff changeset
400 local count = count_before - #items;
8402
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
401 if count == 0 then
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
402 return 0; -- No changes, skip write
469afa02947b mod_storage_internal: Skip write if no items matched a deletion query
Kim Alvefur <zash@zash.se>
parents: 8394
diff changeset
403 end
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
404 local ok, err = datamanager.list_store(username, host, self.store, items);
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
405 if not ok then return ok, err; end
9885
64e16d1e91f6 mod_storage_internal,_sql: Key item count cache on both username and store
Kim Alvefur <zash@zash.se>
parents: 9884
diff changeset
406 archive_item_count_cache:set(cache_key, #items);
8022
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
407 return count;
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
408 end
05e201468f27 mod_storage_internal: Add support for removing archived items
Kim Alvefur <zash@zash.se>
parents: 8021
diff changeset
409
5121
b5a5643f8572 core.storagemanager, mod_storage_*: "data-driver" -> "storage-provider", to allow using module:provides().
Waqas Hussain <waqas20@gmail.com>
parents: 5039
diff changeset
410 module:provides("storage", driver);