Mercurial > prosody-modules

annotate mod_storage_gdbm/mod_storage_gdbm.lua @ 4976:75b6e5df65f9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 95ad6e68e203
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1 -- mod_storage_gdbm
1629
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
2 -- Copyright (C) 2014-2015 Kim Alvefur
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
3 --
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
4 -- This file is MIT/X11 licensed.
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
5 --
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
6 -- Depends on lgdbm:
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
7 -- http://webserver2.tecgraf.puc-rio.br/~lhf/ftp/lua/#lgdbm
1653
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
8 --
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
9 -- luacheck: globals open purge
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
10
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
11 local gdbm = require"gdbm";
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
12 local path = require"util.paths";
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
13 local lfs = require"lfs";
1629
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
14 local st = require"util.stanza";
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
15 local uuid = require"util.uuid".generate;
1629
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
16
1593
d9f3c66ea938 mod_storage_gdbm: Use require directly instead of util.import (which is not available in prosodyctl, breaks adduser etc)
Kim Alvefur <zash@zash.se>
parents: 1570
diff changeset
17 local serialization = require"util.serialization";
d9f3c66ea938 mod_storage_gdbm: Use require directly instead of util.import (which is not available in prosodyctl, breaks adduser etc)
Kim Alvefur <zash@zash.se>
parents: 1570
diff changeset
18 local serialize = serialization.serialize;
d9f3c66ea938 mod_storage_gdbm: Use require directly instead of util.import (which is not available in prosodyctl, breaks adduser etc)
Kim Alvefur <zash@zash.se>
parents: 1570
diff changeset
19 local deserialize = serialization.deserialize;
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
20
1629
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
21 local g_set, g_get, g_del = gdbm.replace, gdbm.fetch, gdbm.delete;
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
22 local g_first, g_next = gdbm.firstkey, gdbm.nextkey;
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
23
1628
5e4b37b9cde1 mod_storage_gdbm: Fix traceback if query is nil or no metadata exists
Kim Alvefur <zash@zash.se>
parents: 1604
diff changeset
24 local empty = {};
5e4b37b9cde1 mod_storage_gdbm: Fix traceback if query is nil or no metadata exists
Kim Alvefur <zash@zash.se>
parents: 1604
diff changeset
25
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
26 local function id(v) return v; end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
27
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
28 local function is_stanza(s)
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
29 return getmetatable(s) == st.stanza_mt;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
30 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
31
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
32 local base_path = path.resolve_relative_path(prosody.paths.data, module.host);
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
33 lfs.mkdir(base_path);
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
34
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
35 local cache = {};
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
36
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
37 local keyval = {};
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
38 local keyval_mt = { __index = keyval, suffix = ".db" };
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
39
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
40 function keyval:set(user, value)
1630
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
41 if type(value) == "table" and next(value) == nil then
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
42 value = nil;
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
43 end
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
44 if value ~= nil then
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
45 value = serialize(value);
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
46 end
0fcd63818aa1 mod_storage_gdbm: Make write operation delete data when passed 'nil' as value instead of storing a literal "nil" string
Kim Alvefur <zash@zash.se>
parents: 1629
diff changeset
47 local ok, err = (value and g_set or g_del)(self._db, user or "@", value);
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
48 if not ok then return nil, err; end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
49 return true;
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
50 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
51
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
52 function keyval:get(user)
1629
36eb0dbea7ba mod_storage_gdbm: Minor reorganization, more locals
Kim Alvefur <zash@zash.se>
parents: 1628
diff changeset
53 local data, err = g_get(self._db, user or "@");
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
54 if not data then return nil, err; end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
55 return deserialize(data);
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
56 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
57
1633
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
58 local function g_keys(db, key)
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
59 return (key == nil and g_first or g_next)(db, key);
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
60 end
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
61
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
62 function keyval:users()
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
63 return g_keys, self._db, nil;
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
64 end
1d2dc6c74581 mod_storage_gdbm: Add user iterator
Kim Alvefur <zash@zash.se>
parents: 1632
diff changeset
65
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
66 local archive = {};
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
67 local archive_mt = { __index = archive, suffix = ".adb" };
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
68
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
69 archive.get = keyval.get;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
70 archive.set = keyval.set;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
71
1753
54c8a0cb2996 mod_storage_(archive-capable): Change order of arguments to :append to be the same as return values from :find iterator (see prosody 41725f3df3cc)
Kim Alvefur <zash@zash.se>
parents: 1653
diff changeset
72 function archive:append(username, key, value, when, with)
54c8a0cb2996 mod_storage_(archive-capable): Change order of arguments to :append to be the same as return values from :find iterator (see prosody 41725f3df3cc)
Kim Alvefur <zash@zash.se>
parents: 1653
diff changeset
73 if type(when) ~= "number" then
1760
e72f9eac51c8 mod_storage_(various): Order swapping in 54c8a0cb2996 was backwards
Kim Alvefur <zash@zash.se>
parents: 1756
diff changeset
74 when, with, value = value, when, with;
1753
54c8a0cb2996 mod_storage_(archive-capable): Change order of arguments to :append to be the same as return values from :find iterator (see prosody 41725f3df3cc)
Kim Alvefur <zash@zash.se>
parents: 1653
diff changeset
75 end
54c8a0cb2996 mod_storage_(archive-capable): Change order of arguments to :append to be the same as return values from :find iterator (see prosody 41725f3df3cc)
Kim Alvefur <zash@zash.se>
parents: 1653
diff changeset
76
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
77 key = key or uuid();
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
78 local meta = self:get(username);
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
79 if not meta then
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
80 meta = {};
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
81 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
82 local i = meta[key] or #meta+1;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
83 local type;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
84 if is_stanza(value) then
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
85 type, value = "stanza", st.preserialize(value);
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
86 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
87 meta[i] = { key = key, when = when, with = with, type = type };
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
88 meta[key] = i;
1632
050d101af207 mod_storage_gdbm: Prefix archive item keys with username to prevent collisions
Kim Alvefur <zash@zash.se>
parents: 1631
diff changeset
89 local prefix = (username or "@") .. "#";
050d101af207 mod_storage_gdbm: Prefix archive item keys with username to prevent collisions
Kim Alvefur <zash@zash.se>
parents: 1631
diff changeset
90 local ok, err = self:set(prefix..key, value);
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
91 if not ok then return nil, err; end
1631
98427ed3d53f mod_storage_gdbm: Update archive metadata only if data write succeeds
Kim Alvefur <zash@zash.se>
parents: 1630
diff changeset
92 ok, err = self:set(username, meta);
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
93 if not ok then return nil, err; end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
94 return key;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
95 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
96
1653
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
97 local deserialize_map = {
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
98 stanza = st.deserialize;
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
99 };
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
100
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
101 function archive:find(username, query)
1635
b877b75eb973 mod_storage_gdbm: Fix name of empty table
Kim Alvefur <zash@zash.se>
parents: 1634
diff changeset
102 query = query or empty;
1628
5e4b37b9cde1 mod_storage_gdbm: Fix traceback if query is nil or no metadata exists
Kim Alvefur <zash@zash.se>
parents: 1604
diff changeset
103 local meta = self:get(username) or empty;
1632
050d101af207 mod_storage_gdbm: Prefix archive item keys with username to prevent collisions
Kim Alvefur <zash@zash.se>
parents: 1631
diff changeset
104 local prefix = (username or "@") .. "#";
1968
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
105 local reverse = query.reverse;
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
106 local step = reverse and -1 or 1;
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
107 local first = meta[query.after];
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
108 local last = meta[query.before];
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
109 -- we don't want to include the actual 'after' or 'before' item
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
110 if first then first = first + 1; end
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
111 if last then last = last - 1; end
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
112 first, last = first or 1, last or #meta;
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
113 if reverse then first, last = last, first; end
1603
1fbec16996f5 mod_storage_gdbm: Add support for 'limit' query parameter
Kim Alvefur <zash@zash.se>
parents: 1602
diff changeset
114 local limit = query.limit;
1968
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
115 local count = 0;
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
116 return function ()
1968
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
117 if limit and count >= limit then return end
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
118 local item, value;
1968
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
119 for i = first, last, step do
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
120 item = meta[i];
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
121 if (not query.with or item.with == query.with)
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
122 and (not query.start or item.when >= query.start)
1604
53052a610c67 mod_storage_gdbm: Fix comparison of 'end'
Kim Alvefur <zash@zash.se>
parents: 1603
diff changeset
123 and (not query["end"] or item.when <= query["end"]) then
1968
95ad6e68e203 mod_storage_gdbm: Refactor for readability (bye single-char variable names)
Kim Alvefur <zash@zash.se>
parents: 1760
diff changeset
124 first = i + step; count = count + 1;
1632
050d101af207 mod_storage_gdbm: Prefix archive item keys with username to prevent collisions
Kim Alvefur <zash@zash.se>
parents: 1631
diff changeset
125 value = self:get(prefix..item.key);
1653
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
126 return item.key, (deserialize_map[item.type] or id)(value), item.when, item.with;
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
127 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
128 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
129 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
130 end
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
131
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
132 local drivers = {
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
133 keyval = keyval_mt;
1596
b362e6c00fd1 mod_storage_gdbm: Add archive support
Kim Alvefur <zash@zash.se>
parents: 1595
diff changeset
134 archive = archive_mt;
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
135 }
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
136
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 function open(_, store, typ)
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 typ = typ or "keyval";
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
139 local driver_mt = drivers[typ];
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
140 if not driver_mt then
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return nil, "unsupported-store";
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143
1595
6288591d5edf mod_storage_gdbm: Prepare for supporting multiple store types
Kim Alvefur <zash@zash.se>
parents: 1593
diff changeset
144 local db_path = path.join(base_path, store) .. driver_mt.suffix;
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
145
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 local db = cache[db_path];
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 if not db then
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 db = assert(gdbm.open(db_path, "c"));
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 cache[db_path] = db;
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 end
1754
c04d10557bbc mod_storage_gdbm: Fix typo in unused field on store instance
Kim Alvefur <zash@zash.se>
parents: 1753
diff changeset
151 return setmetatable({ _db = db; _path = db_path; store = store, type = typ }, driver_mt);
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153
1634
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
154 function purge(_, user)
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
155 for dir in lfs.dir(base_path) do
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
156 local name, ext = dir:match("^(.-)%.a?db$");
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
157 if ext == ".db" then
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
158 open(_, name, "keyval"):set(user, nil);
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
159 elseif ext == ".adb" then
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
160 open(_, name, "archive"):delete(user);
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
161 end
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
162 end
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
163 return true;
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
164 end
25441bd8b344 mod_storage_gdbm: Add purge action
Kim Alvefur <zash@zash.se>
parents: 1633
diff changeset
165
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 function module.unload()
1653
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
167 for db_path, db in pairs(cache) do
1fe899527ee5 mod_storage_gdbm: Cleanup [luacheck]
Kim Alvefur <zash@zash.se>
parents: 1635
diff changeset
168 module:log("debug", "Closing db at %q", db_path);
1756
c619425dafe7 mod_storage_gdbm: Reorganize (vacuum) databases on module unload
Kim Alvefur <zash@zash.se>
parents: 1754
diff changeset
169 gdbm.reorganize(db);
1570
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 gdbm.sync(db);
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 gdbm.close(db);
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 end
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174
67fafebdceb7 mod_storage_gdbm: Storage backend based on lgdbm
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 module:provides"storage";