Mercurial > prosody-modules

annotate mod_storage_appendmap/mod_storage_appendmap.lua @ 5911:e7584fd5b191

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
mod_muc_restrict_pm: fix table in README
author Nicholas George <wirlaburla@worlio.com>
date Tue, 21 May 2024 01:09:12 -0500
parents 78f766372e2c
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 local dump = require "util.serialization".serialize;
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
2 local load = require "util.envload".envloadfile;
5691
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
3 local datetime = require "util.datetime".datetime;
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 local dm = require "core.storagemanager".olddm;
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
6 local REMOVE = {}; -- Special value for removing keys
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
7
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
8 local driver = {};
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
9
5691
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
10 local timestamps = module:get_option_boolean("appendmap_timestamps", true);
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
11
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
12 local keywords = {
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
13 ["do"] = true; ["and"] = true; ["else"] = true; ["break"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
14 ["if"] = true; ["end"] = true; ["goto"] = true; ["false"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
15 ["in"] = true; ["for"] = true; ["then"] = true; ["local"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
16 ["or"] = true; ["nil"] = true; ["true"] = true; ["until"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
17 ["elseif"] = true; ["function"] = true; ["not"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
18 ["repeat"] = true; ["return"] = true; ["while"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
19
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
20 -- _ENV is not technically a keyword but we need to treat it as such
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
21 ["_ENV"] = true;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
22 };
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
23
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
24 local function is_usable_identifier(s)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
25 return type(s) == "string" and not keywords[s] and s:find("^[%a_][%w_]*$");
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
26 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
27
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
28 local function serialize_key(key)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
29 if is_usable_identifier(key) then
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
30 return key;
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
31 else
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
32 return "_ENV[" .. dump(key) .. "]";
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
33 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
34 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
35
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
36 local function serialize_value(value)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
37 if value == REMOVE then
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
38 return "nil";
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
39 else
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
40 return dump(value);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
41 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
42 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
43
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
44 local function serialize_pair(key, value)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
45 key = serialize_key(key);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
46 value = serialize_value(value);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
47 return key .. " = " .. value .. ";\n";
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
48 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
49
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
50 local function serialize_map(keyvalues)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
51 local keys, values = {}, {};
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
52 for key, value in pairs(keyvalues) do
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
53 key = serialize_key(key);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
54 value = serialize_value(value);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
55 table.insert(keys, key);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
56 table.insert(values, value);
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
57 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
58 return table.concat(keys, ", ") .. " = " .. table.concat(values, ", ") .. ";\n";
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
59 end
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
60
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
61 local map = { remove = REMOVE };
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
62 local map_mt = { __index = map };
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
63
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
64 function map:get(user, key)
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
65 module:log("debug", "map:get(%s, %s)", tostring(user), tostring(key))
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
66 local filename = dm.getpath(user, module.host, self.store, "map");
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
67 module:log("debug", "File is %s", filename);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
68 local env = {};
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
69 if _VERSION == "Lua 5.1" then -- HACK
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
70 env._ENV = env; -- HACK
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
71 end -- SO MANY HACKS
2635
4548c3d685b4 mod_storage_appendmap: Successfully return nothing on ENOENT
Kim Alvefur <zash@zash.se>
parents: 2431
diff changeset
72 local chunk, err, errno = load(filename, env);
4548c3d685b4 mod_storage_appendmap: Successfully return nothing on ENOENT
Kim Alvefur <zash@zash.se>
parents: 2431
diff changeset
73 if not chunk then if errno == 2 then return end return chunk, err; end
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
74 local ok, err = pcall(chunk);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
75 if not ok then return ok, err; end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
76 if _VERSION == "Lua 5.1" then -- HACK
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
77 env._ENV = nil; -- HACK
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
78 end -- HACKS EVERYWHERE
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
79 if key == nil then
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
80 return env;
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
81 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
82 return env[key];
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
83 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
84
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
85 function map:set_keys(user, keyvalues)
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
86 local data = serialize_map(keyvalues);
5691
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
87 if timestamps then
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
88 data = "-- " .. datetime() .. "\n" .. data;
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
89 end
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
90 return dm.append_raw(user, module.host, self.store, "map", data);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
91 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
92
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
93 function map:set(user, key, value)
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
94 if _VERSION == "Lua 5.1" then
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
95 assert(key ~= "_ENV", "'_ENV' is a restricted key");
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
96 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
97 if key == nil then
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
98 local filename = dm.getpath(user, module.host, self.store, "map");
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
99 return os.remove(filename);
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
100 end
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
101 local data = serialize_pair(key, value);
5691
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
102 if timestamps then
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
103 data = "-- " .. datetime() .. "\n" .. data;
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
104 end
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
105 return dm.append_raw(user, module.host, self.store, "map", data);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
106 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
107
5690
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
108 function map:items()
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
109 return dm.users(module.host, self.store, "map");
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
110 end
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
111
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
112 local keyval = { remove = REMOVE };
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
113 local keyval_mt = { __index = keyval };
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
114
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
115 function keyval:get(user)
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
116 return map.get(self, user, nil);
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
117 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
118
2796
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
119 function keyval:set(user, keyvalues)
6a7b7cb7148e mod_storage_appendmap: Factor out serialization into reusable functions
Kim Alvefur <zash@zash.se>
parents: 2635
diff changeset
120 local data = serialize_map(keyvalues);
5691
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
121 if timestamps then
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
122 data = "-- " .. datetime() .. "\n" .. data;
78f766372e2c mod_storage_appendmap: Include timestamps when appending data
Kim Alvefur <zash@zash.se>
parents: 5690
diff changeset
123 end
5061
e44b868cc575 mod_storage_appendmap: Fix keyvalue writes
Kim Alvefur <zash@zash.se>
parents: 2796
diff changeset
124 return dm.store_raw(dm.getpath(user, module.host, self.store, "map"), data);
2062
8f7083b980cf mod_storage_appendmap: Fix keyvalue:set()
Kim Alvefur <zash@zash.se>
parents: 2061
diff changeset
125 end
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126
5690
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
127 function keyval:users()
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
128 return dm.users(module.host, self.store, "map");
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
129 end
ea6c18ec0669 mod_storage_appendmap: Implement item/user iteration methods
Kim Alvefur <zash@zash.se>
parents: 5061
diff changeset
130
2061
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 -- TODO some kind of periodic compaction thing?
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
132 function map:_compact(user)
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
133 local data = self:get(user);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
134 return keyval.set(self, user, data);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
135 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
136
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 function driver:open(store, typ)
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 if typ == "map" then
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
139 return setmetatable({ store = store, }, map_mt);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
140 elseif typ == nil or typ == "keyval" then
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return setmetatable({ store = store, }, keyval_mt);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 return nil, "unsupported-store";
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
144 end
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 module:provides("storage", driver);
b84284144e21 mod_storage_appendmap: Experimental storage module optimized for map stores
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147