prosody
a4a74a0e9b9c
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 @ 5124:a4a74a0e9b9c

configmanager: Fix include of relative files via Include directive in config
author Matthew Wild <mwild1@gmail.com>
date Thu, 13 Sep 2012 18:31:34 +0100
parent 5118:0dc9e6c128c3
child 5130:051d352ed03c
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);
84
d0a0bac6815e Added: Datastore support for hosts and global data in addition to users
Waqas Hussain <waqas20@gmail.com>
parents: 0
diff changeset
116 elseif host then
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 else
643
8ff454831f7d Moved directory auto-creation to datamanager
Waqas Hussain <waqas20@gmail.com>
parents: 628
diff changeset
120 if create then mkdir(data_path); end
452
613c5c6bdce4 Added option core.data_path
Waqas Hussain <waqas20@gmail.com>
parents: 267
diff changeset
121 return format("%s/%s.%s", data_path, 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
122 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
123 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
124
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
125 function load(username, host, datastore)
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
126 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
127 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
128 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
129 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
130 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
131 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
132 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
133 -- 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
134 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
135 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
136 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
137 end
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
138
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
139 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
140 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
141 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
142 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
143 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
144 return ret;
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
145 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
146
5049
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
147 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
148 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
149 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
150 repeat
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
151 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
152 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
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: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
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 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
158 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
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 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
161 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
162
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
163 -- Cleanup
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
164 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
165 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
166 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
167 end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
168
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
169 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
170 -- 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
171 -- 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
172 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
173 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
174 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
175 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
176 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
177 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
178 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
179 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
180
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
181 function store(username, host, datastore, data)
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
182 if not data then
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
183 data = {};
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
184 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
185
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
186 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
187 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
188 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
189 end
46a58df8557d util.datamanager: Allow multiple data storage callbacks, and allow them to modify parameters
Matthew Wild <mwild1@gmail.com>
parents: 1097
diff changeset
190
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
191 -- 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
192 local d = "return " .. serialize(data) .. ";\n";
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
193 local ok, msg = atomic_store(getpath(username, host, datastore, nil, true), d);
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
194 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
195 log("error", "Unable to write to %s storage ('%s') for user: %s@%s", datastore, msg, username or "nil", host or "nil");
3108
df0df92dd58a util.datamanager: Return an error string when failing to save.
Waqas Hussain <waqas20@gmail.com>
parents: 3086
diff changeset
196 return nil, "Error saving to 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
197 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
198 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
199 log("debug", "Removing empty %s datastore for user %s@%s", datastore, username or "nil", host or "nil");
206
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
200 os_remove(getpath(username, host, datastore));
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
201 end
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
202 -- we write data even when we are deleting because lua doesn't have a
e30d0e30a0ff Datamanager now deletes files with no data
Waqas Hussain <waqas20@gmail.com>
parents: 182
diff changeset
203 -- platform independent way of checking for non-exisitng files
0
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
204 return true;
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
205 end
3e3171b59028 First commit, where do you want to go tomorrow?
matthew
parents:
diff changeset
206
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
207 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
208 if not data then return; end
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
209 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
210 -- 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
211 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
212 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
213 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
214 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 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
216 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
217 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
218 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
219 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
220 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
221 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
222 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
223 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
224 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
225 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
226 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
227 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
228 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
229 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
230 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
231 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
232
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
233 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
234 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
235 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
236 end
1462
44780b856ce7 datamanager: Fixed incorrect callback result checking
Waqas Hussain <waqas20@gmail.com>
parents: 1381
diff changeset
237 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
238 -- 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
239 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
240 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
241 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
242 end
5d685f123332 util.datamanager: Write to a temporary file and atomically move it into place
Kim Alvefur <zash@zash.se>
parents: 5045
diff changeset
243 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
244 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
245 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
246 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
247 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
248 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
249 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
250 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
251 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
252 -- 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
253 -- 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
254 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
255 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
256
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 function list_load(username, host, datastore)
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
258 local items = {};
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
259 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
260 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
261 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
262 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
263 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
264 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
265 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
266 -- 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
267 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
268 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
269 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
270 end
5021
85b2689dbcfe Eliminate direct setfenv usage
Florian Zeitz <florob@babelmonkeys.de>
parents: 4452
diff changeset
271
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
272 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
273 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
274 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
275 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
276 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
277 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
278 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
279
5032
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
280 function list_stores(username, host)
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
281 if not host then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
282 return nil, "bad argument #2 to 'list_stores' (string expected, got nothing)";
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
283 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
284 local list = {};
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
285 local host_dir = format("%s/%s/", data_path, encode(host));
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
286 for node in lfs.dir(host_dir) do
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
287 if not node:match"^%." then -- dots should be encoded, this is probably . or ..
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
288 local store = decode(node);
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
289 local path = host_dir..node;
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
290 if username == true then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
291 if lfs.attributes(path, "mode") == "directory" then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
292 list[#list+1] = store;
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
293 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
294 elseif username then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
295 if lfs.attributes(getpath(username, host, store), "mode")
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
296 or lfs.attributes(getpath(username, host, store, "list"), "mode") then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
297 list[#list+1] = store;
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
298 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
299 elseif lfs.attributes(path, "mode") == "file" then
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
300 list[#list+1] = store:gsub("%.[dalist]+$","");
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
301 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
302 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
303 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
304 return list;
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
305 end
c40ea227f8af util.datamanager: Add function for listing stores
Kim Alvefur <zash@zash.se>
parents: 5024
diff changeset
306
5103
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
307 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
308 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
309 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
310 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
311 end
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
312 return true
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
313 end
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
314
5038
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
315 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
316 local host_dir = format("%s/%s/", data_path, encode(host));
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
317 local deleted = 0;
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
318 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
319 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
320 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
321 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
322 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
323 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
324
5a1488369c35 util.datamanager: Ignore errors if the file is gone after removing it
Kim Alvefur <zash@zash.se>
parents: 5095
diff changeset
325 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
326 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
327 end
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
328 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
329 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
330 end
242c62ff8e77 util.datamanager: Add function for removing all data belonging to a user
Kim Alvefur <zash@zash.se>
parents: 5032
diff changeset
331
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
332 return _M;