prosody
615a0774e4cc
tools/migration/migrator/prosody_files.lua

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tools/migration/migrator/prosody_files.lua @ 5877:615a0774e4cc

util.timer: Updated to use util.indexedbheap to provide a more complete API. Timers can now be stopped or rescheduled. Callbacks are now pcall'd. Adding/removing timers from within timer callbacks works better. Optional parameter can be passed when creating timer which gets passed to callback, eliminating the need for closures in various timer uses. Timers are now much more lightweight.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 30 Oct 2013 17:44:42 -0400
parent 5021:85b2689dbcfe
child 5974:9ce0d246c851
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 local print = print;
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3 local assert = assert;
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4 local setmetatable = setmetatable;
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5 local tonumber = tonumber;
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6 local char = string.char;
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7 local coroutine = coroutine;
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8 local lfs = require "lfs";
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9 local loadfile = loadfile;
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10 local pcall = pcall;
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11 local mtools = require "migrator.mtools";
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12 local next = next;
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13 local pairs = pairs;
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14 local json = require "util.json";
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15 local os_getenv = os.getenv;
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16
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17 prosody = {};
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18 local dm = require "util.datamanager"
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19
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20 module "prosody_files"
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22 local function is_dir(path) return lfs.attributes(path, "mode") == "directory"; end
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23 local function is_file(path) return lfs.attributes(path, "mode") == "file"; end
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24 local function clean_path(path)
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25 return path:gsub("\\", "/"):gsub("//+", "/"):gsub("^~", os_getenv("HOME") or "~");
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26 end
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27 local encode, decode; do
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28 local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });
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29 decode = function (s) return s and (s:gsub("+", " "):gsub("%%([a-fA-F0-9][a-fA-F0-9])", urlcodes)); end
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30 encode = function (s) return s and (s:gsub("%W", function (c) return format("%%%02x", c:byte()); end)); end
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31 end
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32 local function decode_dir(x)
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33 if x:gsub("%%%x%x", ""):gsub("[a-zA-Z0-9]", "") == "" then
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34 return decode(x);
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35 end
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36 end
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37 local function decode_file(x)
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38 if x:match(".%.dat$") and x:gsub("%.dat$", ""):gsub("%%%x%x", ""):gsub("[a-zA-Z0-9]", "") == "" then
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39 return decode(x:gsub("%.dat$", ""));
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40 end
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41 end
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42 local function prosody_dir(path, ondir, onfile, ...)
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43 for x in lfs.dir(path) do
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44 local xpath = path.."/"..x;
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45 if decode_dir(x) and is_dir(xpath) then
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46 ondir(xpath, x, ...);
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47 elseif decode_file(x) and is_file(xpath) then
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48 onfile(xpath, x, ...);
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49 end
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50 end
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51 end
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52
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53 local function handle_root_file(path, name)
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54 --print("root file: ", decode_file(name))
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55 coroutine.yield { user = nil, host = nil, store = decode_file(name) };
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56 end
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57 local function handle_host_file(path, name, host)
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58 --print("host file: ", decode_dir(host).."/"..decode_file(name))
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59 coroutine.yield { user = nil, host = decode_dir(host), store = decode_file(name) };
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60 end
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61 local function handle_store_file(path, name, store, host)
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62 --print("store file: ", decode_file(name).."@"..decode_dir(host).."/"..decode_dir(store))
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63 coroutine.yield { user = decode_file(name), host = decode_dir(host), store = decode_dir(store) };
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64 end
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65 local function handle_host_store(path, name, host)
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66 prosody_dir(path, function() end, handle_store_file, name, host);
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67 end
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68 local function handle_host_dir(path, name)
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69 prosody_dir(path, handle_host_store, handle_host_file, name);
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70 end
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71 local function handle_root_dir(path)
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72 prosody_dir(path, handle_host_dir, handle_root_file);
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73 end
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74
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75 local function decode_user(item)
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76 local userdata = {
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77 user = item[1].user;
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78 host = item[1].host;
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79 stores = {};
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80 };
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81 for i=1,#item do -- loop over stores
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82 local result = {};
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83 local store = item[i];
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84 userdata.stores[store.store] = store.data;
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85 store.user = nil; store.host = nil; store.store = nil;
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86 end
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87 return userdata;
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88 end
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89
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90 function reader(input)
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91 local path = clean_path(assert(input.path, "no input.path specified"));
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92 assert(is_dir(path), "input.path is not a directory");
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93 local iter = coroutine.wrap(function()handle_root_dir(path);end);
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94 -- get per-user stores, sorted
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95 local iter = mtools.sorted {
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96 reader = function()
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97 local x = iter();
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98 if x then
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99 dm.set_data_path(path);
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100 local err;
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101 x.data, err = dm.load(x.user, x.host, x.store);
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102 if x.data == nil and err then
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103 error(("Error loading data at path %s for %s@%s (%s store)")
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104 :format(path, x.user or "<nil>", x.host or "<nil>", x.store or "<nil>"), 0);
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105 end
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106 return x;
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107 end
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108 end;
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109 sorter = function(a, b)
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110 local a_host, a_user, a_store = a.host or "", a.user or "", a.store or "";
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111 local b_host, b_user, b_store = b.host or "", b.user or "", b.store or "";
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112 return a_host > b_host or (a_host==b_host and a_user > b_user) or (a_host==b_host and a_user==b_user and a_store > b_store);
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113 end;
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114 };
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115 -- merge stores to get users
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116 iter = mtools.merged(iter, function(a, b)
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117 return (a.host == b.host and a.user == b.user);
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118 end);
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119
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120 return function()
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121 local x = iter();
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122 return x and decode_user(x);
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123 end
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124 end
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125
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126 function writer(output)
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127 local path = clean_path(assert(output.path, "no output.path specified"));
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128 assert(is_dir(path), "output.path is not a directory");
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129 return function(item)
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130 if not item then return; end -- end of input
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131 dm.set_data_path(path);
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132 for store, data in pairs(item.stores) do
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133 assert(dm.store(item.user, item.host, store, data));
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134 end
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135 end
3ac90743039b tools/migration/*.lua: Convert to unix line endings
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136 end
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137
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138 return _M;