prosody
97c1c1bdd7bc
util/datamanager.lua

Find changesets by keywords by author, files, the commit message, revision number or hash, or revset expression.

Software / code / prosody

Annotate

util/datamanager.lua @ 5658:97c1c1bdd7bc

mod_bosh: Don't tostring() stream:features when passing to session.send().
author Waqas Hussain <waqas20@gmail.com>
date Fri, 07 Jun 2013 16:26:08 -0400
parent 5441:6a5c622cc6d4
child 6575:bdaadf70a48f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1523
841d61be198f Remove version number from copyright headers
Matthew Wild <mwild1@gmail.com>
parents: 1462
diff changeset
1 -- Prosody IM
2923
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2159
diff changeset
2 -- Copyright (C) 2008-2010 Matthew Wild
b7049746bd29 Update copyright headers for 2010
Matthew Wild <mwild1@gmail.com>
parents: 2159
diff changeset
3 -- Copyright (C) 2008-2010 Waqas Hussain
4452
7de17ca4de14 util/datamanager: Use package.config to figure out directory seperator
James Callahan <james@chatid.com>
parents: 4112
diff changeset
4 --
758
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 732
diff changeset
5 -- This project is MIT/X11 licensed. Please see the
b1885732e979 GPL->MIT!
Matthew Wild <mwild1@gmail.com>
parents: 732
diff changeset
6 -- COPYING file in the source package for more information.
519
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 456
diff changeset
7 --
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 456
diff changeset
8
cccd610a0ef9 Insert copyright/license headers
Matthew Wild <mwild1@gmail.com>
parents: 456
diff changeset
9
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
10 local format = string.format;
5051
71253db26fda util.datamanager: Remove a few unused imports
Kim Alvefur <zash@zash.se>
parents: 5049
diff changeset
11 local setmetatable = setmetatable;
71253db26fda util.datamanager: Remove a few unused imports
Kim Alvefur <zash@zash.se>
parents: 5049
diff changeset
12 local ipairs = ipairs;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
13 local char = string.char;
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
14 local pcall = pcall;
456
27cb85d4059e Fixed logging in datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 452
diff changeset
15 local log = require "util.logger".init("datamanager");
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
16 local io_open = io.open;
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
17 local os_remove = os.remove;
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
18 local os_rename = os.rename;
5051
71253db26fda util.datamanager: Remove a few unused imports
Kim Alvefur <zash@zash.se>
parents: 5049
diff changeset
19 local tonumber = tonumber;
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
20 local next = next;
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
21 local t_insert = table.insert;
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
22 local t_concat = table.concat;
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
23 local envloadfile = require"util.envload".envloadfile;
5045
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
24 local serialize = require "util.serialization".serialize;
4452
7de17ca4de14 util/datamanager: Use package.config to figure out directory seperator
James Callahan <james@chatid.com>
parents: 4112
diff changeset
25 local path_separator = assert ( package.config:match ( "^([^\n]+)" ) , "package.config not in standard form" ) -- Extract directory seperator from package.config (an undocumented string that comes with lua)
3086
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
26 local lfs = require "lfs";
4093
36555949bd16 util.datamanager: Use prosody.paths.data as the initial value for data_path
Matthew Wild <mwild1@gmail.com>
parents: 3723
diff changeset
27 local prosody = prosody;
2444
267d6482bac6 util.datamanager: Use pposix.mkdir if available
Matthew Wild <mwild1@gmail.com>
parents: 2328
diff changeset
28
5118
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
29 local raw_mkdir = lfs.mkdir;
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
30 local function fallocate(f, offset, len)
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
31 -- This assumes that current position == offset
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
32 local fake_data = (" "):rep(len);
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
33 local ok, msg = f:write(fake_data);
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
34 if not ok then
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
35 return ok, msg;
5045
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
36 end
5118
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
37 f:seek("set", offset);
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
38 return true;
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
39 end;
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
40 pcall(function()
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
41 local pposix = require "util.pposix";
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
42 raw_mkdir = pposix.mkdir or raw_mkdir; -- Doesn't trample on umask
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
43 fallocate = pposix.fallocate or fallocate;
0dc9e6c128c3 util.datamanager: Make the util.pposix dependency optional.
Waqas Hussain <waqas20@gmail.com>
parents: 5103
diff changeset
44 end);
5045
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
45
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
46 module "datamanager"
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
47
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
48 ---- utils -----
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
49 local encode, decode;
2444
267d6482bac6 util.datamanager: Use pposix.mkdir if available
Matthew Wild <mwild1@gmail.com>
parents: 2328
diff changeset
50 do
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
51 local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
52
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
53 decode = function (s)
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
54 return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes));
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
55 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
56
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
57 encode = function (s)
628
3712d36b6d25 Fixed URL encoding to generate %0x instead of %x
Waqas Hussain <waqas20@gmail.com>
parents: 615
diff changeset
58 return s and (s:gsub("%W", function (c) return format("%%%02x", c:byte()); end));
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
59 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
60 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
61
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
62 local _mkdir = {};
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
63 local function mkdir(path)
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
64 path = path:gsub("/", path_separator); -- TODO as an optimization, do this during path creation rather than here
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
65 if not _mkdir[path] then
2444
267d6482bac6 util.datamanager: Use pposix.mkdir if available
Matthew Wild <mwild1@gmail.com>
parents: 2328
diff changeset
66 raw_mkdir(path);
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
67 _mkdir[path] = true;
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
68 end
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
69 return path;
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
70 end
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
71
4108
e3e3aa286334 util.datamanager: Handle gracefully the lack of prosody.paths.data
Matthew Wild <mwild1@gmail.com>
parents: 4093
diff changeset
72 local data_path = (prosody and prosody.paths and prosody.paths.data) or ".";
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
73 local callbacks = {};
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
74
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
75 ------- API -------------
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
76
452
613c5c6bdce4 Added option core.data_path
Waqas Hussain <waqas20@gmail.com>
parents: 267
diff changeset
77 function set_data_path(path)
1097
c5b33640a5f0 util.datamanager: Lower log level of 'Setting data path' to 'debug'
Matthew Wild <mwild1@gmail.com>
parents: 932
diff changeset
78 log("debug", "Setting data path to: %s", path);
452
613c5c6bdce4 Added option core.data_path
Waqas Hussain <waqas20@gmail.com>
parents: 267
diff changeset
79 data_path = path;
613c5c6bdce4 Added option core.data_path
Waqas Hussain <waqas20@gmail.com>
parents: 267
diff changeset
80 end
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
81
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
82 local function callback(username, host, datastore, data)
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
83 for _, f in ipairs(callbacks) do
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
84 username, host, datastore, data = f(username, host, datastore, data);
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
85 if username == false then break; end
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
86 end
4452
7de17ca4de14 util/datamanager: Use package.config to figure out directory seperator
James Callahan <james@chatid.com>
parents: 4112
diff changeset
87
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
88 return username, host, datastore, data;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
89 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
90 function add_callback(func)
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
91 if not callbacks[func] then -- Would you really want to set the same callback more than once?
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
92 callbacks[func] = true;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
93 callbacks[#callbacks+1] = func;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
94 return true;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
95 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
96 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
97 function remove_callback(func)
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
98 if callbacks[func] then
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
99 for i, f in ipairs(callbacks) do
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
100 if f == func then
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
101 callbacks[i] = nil;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
102 callbacks[f] = nil;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
103 return true;
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
104 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
105 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
106 end
932
1ed3e5fe165a Added: datamanager: Allow a callback to be installed which selectively prevents disk writes
Waqas Hussain <waqas20@gmail.com>
parents: 915
diff changeset
107 end
452
613c5c6bdce4 Added option core.data_path
Waqas Hussain <waqas20@gmail.com>
parents: 267
diff changeset
108
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
109 function getpath(username, host, datastore, ext, create)
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
110 ext = ext or "dat";
2328
2804d81206d8 util.datamanager: Store data stores with no host in '_global' folder
Matthew Wild <mwild1@gmail.com>
parents: 2159
diff changeset
111 host = (host and encode(host)) or "_global";
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
112 username = username and encode(username);
84
d0a0bac6815e Added: Datastore support for hosts and global data in addition to users
Waqas Hussain <waqas20@gmail.com>
parents: 0
diff changeset
113 if username then
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
114 if create then mkdir(mkdir(mkdir(data_path).."/"..host).."/"..datastore); end
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
115 return format("%s/%s/%s/%s.%s", data_path, host, datastore, username, ext);
5243
07e8256efcda util.datamanager: Remove dead code path
Kim Alvefur <zash@zash.se>
parents: 5153
diff changeset
116 else
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
117 if create then mkdir(mkdir(data_path).."/"..host); end
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
118 return format("%s/%s/%s.%s", data_path, host, datastore, ext);
84
d0a0bac6815e Added: Datastore support for hosts and global data in addition to users
Waqas Hussain <waqas20@gmail.com>
parents: 0
diff changeset
119 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
120 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
121
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
122 function load(username, host, datastore)
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
123 local data, ret = envloadfile(getpath(username, host, datastore), {});
117
8e5c5e6a3240 Fixed: datamanager.store and datamanager.load could crash when username or host arguments were nil. (useful for server specific and global data).
Waqas Hussain <waqas20@gmail.com>
parents: 88
diff changeset
124 if not data then
3086
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
125 local mode = lfs.attributes(getpath(username, host, datastore), "mode");
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
126 if not mode then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
127 log("debug", "Assuming empty %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3086
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
128 return nil;
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
129 else -- file exists, but can't be read
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
130 -- TODO more detailed error checking and logging?
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
131 log("error", "Failed to load %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3086
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
132 return nil, "Error reading storage";
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
133 end
117
8e5c5e6a3240 Fixed: datamanager.store and datamanager.load could crash when username or host arguments were nil. (useful for server specific and global data).
Waqas Hussain <waqas20@gmail.com>
parents: 88
diff changeset
134 end
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
135
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
136 local success, ret = pcall(data);
117
8e5c5e6a3240 Fixed: datamanager.store and datamanager.load could crash when username or host arguments were nil. (useful for server specific and global data).
Waqas Hussain <waqas20@gmail.com>
parents: 88
diff changeset
137 if not success then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
138 log("error", "Unable to load %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3086
931acb1188b1 util.datamanager: When failing to load a file, and the file exists, return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 2925
diff changeset
139 return nil, "Error reading storage";
117
8e5c5e6a3240 Fixed: datamanager.store and datamanager.load could crash when username or host arguments were nil. (useful for server specific and global data).
Waqas Hussain <waqas20@gmail.com>
parents: 88
diff changeset
140 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
141 return ret;
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
142 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
143
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
144 local function atomic_store(filename, data)
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
145 local scratch = filename.."~";
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
146 local f, ok, msg;
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
147 repeat
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
148 f, msg = io_open(scratch, "w");
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
149 if not f then break end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
150
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
151 ok, msg = f:write(data);
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
152 if not ok then break end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
153
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
154 ok, msg = f:close();
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
155 if not ok then break end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
156
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
157 return os_rename(scratch, filename);
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
158 until false;
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
159
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
160 -- Cleanup
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
161 if f then f:close(); end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
162 os_remove(scratch);
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
163 return nil, msg;
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
164 end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
165
5065
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
166 if prosody.platform ~= "posix" then
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
167 -- os.rename does not overwrite existing files on Windows
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
168 -- TODO We could use Transactional NTFS on Vista and above
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
169 function atomic_store(filename, data)
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
170 local f, err = io_open(filename, "w");
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
171 if not f then return f, err; end
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
172 local ok, msg = f:write(data);
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
173 if not ok then f:close(); return ok, msg; end
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
174 return f:close();
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
175 end
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
176 end
acfaf771f10e util.datamanager: Don't use os.rename on non-POSIX. It doesn't overwrite exisitng files on Windows.
Waqas Hussain <waqas20@gmail.com>
parents: 5057
diff changeset
177
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
178 function store(username, host, datastore, data)
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
179 if not data then
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
180 data = {};
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
181 end
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
182
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
183 username, host, datastore, data = callback(username, host, datastore, data);
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
184 if username == false then
1381
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
185 return true; -- Don't save this data at all
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
186 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
187
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
188 -- save the datastore
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
189 local d = "return " .. serialize(data) .. ";\n";
5441
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
190 local mkdir_cache_cleared;
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
191 repeat
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
192 local ok, msg = atomic_store(getpath(username, host, datastore, nil, true), d);
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
193 if not ok then
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
194 if not mkdir_cache_cleared then -- We may need to recreate a removed directory
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
195 _mkdir = {};
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
196 mkdir_cache_cleared = true;
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
197 else
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
198 log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
199 return nil, "Error saving to storage";
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
200 end
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
201 end
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
202 if next(data) == nil then -- try to delete empty datastore
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
203 log("debug", "Removing empty %s datastore for user %s@%s", datastore, username or "nil", host or "nil");
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
204 os_remove(getpath(username, host, datastore));
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
205 end
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
206 -- we write data even when we are deleting because lua doesn't have a
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
207 -- platform independent way of checking for non-exisitng files
6a5c622cc6d4 util.datamanager: Clear the cache of created directories on storage failure, and retry
Matthew Wild <mwild1@gmail.com>
parents: 5440
diff changeset
208 until ok;
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
209 return true;
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
210 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
211
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
212 function list_append(username, host, datastore, data)
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
213 if not data then return; end
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
214 if callback(username, host, datastore) == false then return true; end
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
215 -- save the datastore
5066
4be7093edde9 util.datamanager: Try to open in read+write mode, then retry with write mode if that fails (usually because it doesn't exist)
Kim Alvefur <zash@zash.se>
parents: 5057
diff changeset
216 local f, msg = io_open(getpath(username, host, datastore, "list", true), "r+");
4be7093edde9 util.datamanager: Try to open in read+write mode, then retry with write mode if that fails (usually because it doesn't exist)
Kim Alvefur <zash@zash.se>
parents: 5057
diff changeset
217 if not f then
4be7093edde9 util.datamanager: Try to open in read+write mode, then retry with write mode if that fails (usually because it doesn't exist)
Kim Alvefur <zash@zash.se>
parents: 5057
diff changeset
218 f, msg = io_open(getpath(username, host, datastore, "list", true), "w");
4be7093edde9 util.datamanager: Try to open in read+write mode, then retry with write mode if that fails (usually because it doesn't exist)
Kim Alvefur <zash@zash.se>
parents: 5057
diff changeset
219 end
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
220 if not f then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
221 log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
222 return;
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
223 end
5045
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
224 local data = "item(" .. serialize(data) .. ");\n";
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
225 local pos = f:seek("end");
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
226 local ok, msg = fallocate(f, pos, #data);
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
227 f:seek("set", pos);
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
228 if ok then
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
229 f:write(data);
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
230 else
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
231 log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
232 return ok, msg;
4ba6940deed0 util.datamanager: Use pposix.fallocate() to make sure appends succeed. Also add a fallback fallocate()
Kim Alvefur <zash@zash.se>
parents: 5038
diff changeset
233 end
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
234 f:close();
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
235 return true;
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
236 end
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
237
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
238 function list_store(username, host, datastore, data)
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
239 if not data then
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
240 data = {};
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
241 end
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
242 if callback(username, host, datastore) == false then return true; end
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
243 -- save the datastore
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
244 local d = {};
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
245 for _, item in ipairs(data) do
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
246 d[#d+1] = "item(" .. serialize(item) .. ");\n";
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
247 end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
248 local ok, msg = atomic_store(getpath(username, host, datastore, "list", true), t_concat(d));
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
249 if not ok then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
250 log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
251 return;
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
252 end
915
0fe5bf7ab81d util.datamanager: Don't delete data when first entry in table is 'false'. My favourite bug so far.
Matthew Wild <mwild1@gmail.com>
parents: 896
diff changeset
253 if next(data) == nil then -- try to delete empty datastore
1732
f1282fad2f99 datamanager: Fixed logging errors on deletion of datastores not owned by a user@host
Waqas Hussain <waqas20@gmail.com>
parents: 1523
diff changeset
254 log("debug", "Removing empty %s datastore for user %s@%s", datastore, username or "nil", host or "nil");
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
255 os_remove(getpath(username, host, datastore, "list"));
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
256 end
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
257 -- we write data even when we are deleting because lua doesn't have a
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
258 -- platform independent way of checking for non-exisitng files
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
259 return true;
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
260 end
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
261
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
262 function list_load(username, host, datastore)
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
263 local items = {};
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
264 local data, ret = envloadfile(getpath(username, host, datastore, "list"), {item = function(i) t_insert(items, i); end});
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
265 if not data then
3722
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
266 local mode = lfs.attributes(getpath(username, host, datastore, "list"), "mode");
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
267 if not mode then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
268 log("debug", "Assuming empty %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3722
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
269 return nil;
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
270 else -- file exists, but can't be read
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
271 -- TODO more detailed error checking and logging?
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
272 log("error", "Failed to load %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3722
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
273 return nil, "Error reading storage";
f15b6ed967b7 util.datamanager: When failing to load a list file, and the file exists, log an error, and return nil, error.
Waqas Hussain <waqas20@gmail.com>
parents: 3108
diff changeset
274 end
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
275 end
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
276
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
277 local success, ret = pcall(data);
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
278 if not success then
4993
5243b74a4cbb Hopefully inert commit to clean up logging across a number of modules, removing all cases of concatenation when building log messages
Matthew Wild <mwild1@gmail.com>
parents: 4452
diff changeset
279 log("error", "Unable to load %s storage ('%s') for user: %s@%s", datastore, ret, username or "nil", host or "nil");
3723
72a917d910a4 util.datamanager: Return an error string when pcall fails on a loaded list file.
Waqas Hussain <waqas20@gmail.com>
parents: 3722
diff changeset
280 return nil, "Error reading storage";
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
281 end
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
282 return items;
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
283 end
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
284
5130
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
285 local type_map = {
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
286 keyval = "dat";
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
287 list = "list";
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
288 }
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
289
5153
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
290 function users(host, store, typ)
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
291 typ = type_map[typ or "keyval"];
5250
6d8ec8c90240 util.datamanager: Don't escape the name of a store
Kim Alvefur <zash@zash.se>
parents: 5244
diff changeset
292 local store_dir = format("%s/%s/%s", data_path, encode(host), store);
5153
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
293
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
294 local mode, err = lfs.attributes(store_dir, "mode");
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
295 if not mode then
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
296 return function() log("debug", err or (store_dir .. " does not exist")) end
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
297 end
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
298 local next, state = lfs.dir(store_dir);
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
299 return function(state)
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
300 for node in next, state do
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
301 local file, ext = node:match("^(.*)%.([dalist]+)$");
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
302 if file and ext == typ then
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
303 return decode(file);
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
304 end
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
305 end
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
306 end, state;
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
307 end
688aeac0012a mod_storage_internal, datamanager: Add support for iterating over users with data in a store
Kim Alvefur <zash@zash.se>
parents: 5130
diff changeset
308
5130
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
309 function stores(username, host, typ)
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
310 typ = type_map[typ or "keyval"];
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
311 local store_dir = format("%s/%s/", data_path, encode(host));
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
312
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
313 local mode, err = lfs.attributes(store_dir, "mode");
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
314 if not mode then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
315 return function() log("debug", err or (store_dir .. " does not exist")) end
5032
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
316 end
5130
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
317 local next, state = lfs.dir(store_dir);
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
318 return function(state)
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
319 for node in next, state do
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
320 if not node:match"^%." then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
321 if username == true then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
322 if lfs.attributes(store_dir..node, "mode") == "directory" then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
323 return decode(node);
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
324 end
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
325 elseif username then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
326 local store = decode(node)
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
327 if lfs.attributes(getpath(username, host, store, typ), "mode") then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
328 return store;
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
329 end
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
330 elseif lfs.attributes(node, "mode") == "file" then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
331 local file, ext = node:match("^(.*)%.([dalist]+)$");
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
332 if ext == typ then
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
333 return decode(file)
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
334 end
5032
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
335 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
336 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
337 end
5130
051d352ed03c storagemanager, datamanager, mod_storage_{internal,sql}: Replace list_stores() with an iterator version
Kim Alvefur <zash@zash.se>
parents: 5118
diff changeset
338 end, state;
5032
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
339 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
340
5103
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
341 local function do_remove(path)
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
342 local ok, err = os_remove(path);
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
343 if not ok and lfs.attributes(path, "mode") then
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
344 return ok, err;
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
345 end
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
346 return true
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
347 end
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
348
5038
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
349 function purge(username, host)
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
350 local host_dir = format("%s/%s/", data_path, encode(host));
5095
dddbcd62183a util.datamanager: Collect errors when deleting all stores of a user, but ignore "no such file"
Kim Alvefur <zash@zash.se>
parents: 5069
diff changeset
351 local errs = {};
5038
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
352 for file in lfs.dir(host_dir) do
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
353 if lfs.attributes(host_dir..file, "mode") == "directory" then
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
354 local store = decode(file);
5103
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
355 local ok, err = do_remove(getpath(username, host, store));
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
356 if not ok then errs[#errs+1] = err; end
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
357
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
358 local ok, err = do_remove(getpath(username, host, store, "list"));
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
359 if not ok then errs[#errs+1] = err; end
5038
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
360 end
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
361 end
5095
dddbcd62183a util.datamanager: Collect errors when deleting all stores of a user, but ignore "no such file"
Kim Alvefur <zash@zash.se>
parents: 5069
diff changeset
362 return #errs == 0, t_concat(errs, ", ");
5038
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
363 end
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
364
5440
a943e5cbf083 util.datamanager: expose path decode and encode functions.
Marco Cirillo <maranda@lightwitch.org>
parents: 5250
diff changeset
365 _M.path_decode = decode;
a943e5cbf083 util.datamanager: expose path decode and encode functions.
Marco Cirillo <maranda@lightwitch.org>
parents: 5250
diff changeset
366 _M.path_encode = encode;
247
681b29aa134f Added support for storing (and removing), loading and appending to lists of data to datamanager (for supporting offline messages)
Waqas Hussain <waqas20@gmail.com>
parents: 206
diff changeset
367 return _M;