prosody
a7a9d9511dc1
core/storagemanager.lua

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core/storagemanager.lua @ 8663:a7a9d9511dc1

mod_posix: Delay setting signal handlers until in the main thread Signal handlers work by setting a debug hook. Hooks are per-thread, so we need this to be called in the main thread. However module loading is not in the main thread anymore.
author Matthew Wild <mwild1@gmail.com>
date Thu, 22 Mar 2018 21:18:58 +0000
parent 8654:425de10efde4
child 8670:800c648827e3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
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2 local type, pairs = type, pairs;
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3 local setmetatable = setmetatable;
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4 local rawset, error = rawset, error;
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5
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6 local config = require "core.configmanager";
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7 local datamanager = require "util.datamanager";
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8 local modulemanager = require "core.modulemanager";
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9 local multitable = require "util.multitable";
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10 local hosts = hosts;
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11 local log = require "util.logger".init("storagemanager");
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12 local async = require "util.async";
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13 local debug = debug;
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15 local prosody = prosody;
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17 local _ENV = nil;
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18 -- luacheck: std none
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20 local olddm = {}; -- maintain old datamanager, for backwards compatibility
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21 for k,v in pairs(datamanager) do olddm[k] = v; end
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23 local null_storage_method = function () return false, "no data storage active"; end
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24 local null_storage_driver = setmetatable(
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25 {
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26 name = "null",
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27 open = function (self) return self; end
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28 }, {
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29 __index = function (self, method) --luacheck: ignore 212
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30 return null_storage_method;
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31 end
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32 }
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33 );
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34
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35 local async_check = config.get("*", "storage_async_check") ~= false;
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37 local stores_available = multitable.new();
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39 local function check_async_wrapper(event)
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40 local store = event.store;
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41 event.store = setmetatable({}, {
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42 __index = function (t, method_name)
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43 local original_method = store[method_name];
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44 if type(original_method) ~= "function" then
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45 if original_method then
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46 rawset(t, method_name, original_method);
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47 end
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48 return original_method;
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49 end
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50 local wrapped_method = function (...)
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51 if not async.ready() then
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52 log("warn", "ASYNC-01: Attempt to access storage outside async context, "
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53 .."see https://prosody.im/doc/developers/async - %s", debug.traceback());
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54 end
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55 return original_method(...);
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56 end
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57 rawset(t, method_name, wrapped_method);
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58 return wrapped_method;
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59 end;
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60 });
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61 end
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62
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63 local function initialize_host(host)
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64 local host_session = hosts[host];
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65 host_session.events.add_handler("item-added/storage-provider", function (event)
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66 local item = event.item;
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67 stores_available:set(host, item.name, item);
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68 end);
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69
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70 host_session.events.add_handler("item-removed/storage-provider", function (event)
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71 local item = event.item;
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72 stores_available:set(host, item.name, nil);
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73 end);
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74 if async_check then
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75 host_session.events.add_handler("store-opened", check_async_wrapper);
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76 end
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77 end
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78 prosody.events.add_handler("host-activated", initialize_host, 101);
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79
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80 local function load_driver(host, driver_name)
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81 if driver_name == "null" then
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82 return null_storage_driver;
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83 end
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84 local driver = stores_available:get(host, driver_name);
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85 if driver then return driver; end
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86 local ok, err = modulemanager.load(host, "storage_"..driver_name);
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87 if not ok then
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88 log("error", "Failed to load storage driver plugin %s on %s: %s", driver_name, host, err);
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89 end
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90 return stores_available:get(host, driver_name);
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91 end
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92
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93 local function get_storage_config(host)
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94 -- COMPAT w/ unreleased Prosody 0.10 and the once-experimental mod_storage_sql2 in peoples' config files
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95 local storage_config = config.get(host, "storage");
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96 local found_sql2;
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97 if storage_config == "sql2" then
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98 storage_config, found_sql2 = "sql", true;
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99 elseif type(storage_config) == "table" then
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100 for store_name, driver_name in pairs(storage_config) do
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101 if driver_name == "sql2" then
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102 storage_config[store_name] = "sql";
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103 found_sql2 = true;
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104 end
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105 end
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106 end
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107 if found_sql2 then
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108 log("error", "The temporary 'sql2' storage module has now been renamed to 'sql', "
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109 .."please update your config file: https://prosody.im/doc/modules/mod_storage_sql2");
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110 end
99de8f30d99e storagemanager, mod_storage_sql, mod_storage_sql2: Rename mod_storage_sql2 -> mod_storage_sql, mod_storage_sql -> mod_storage_sql1 (temporarily), and emit warning for configs using sql2
Matthew Wild <mwild1@gmail.com>
parents: 6949
diff changeset
111 return storage_config;
6949
1c2c3d913172 storagemanager: Split config retrieval into its own function
Matthew Wild <mwild1@gmail.com>
parents: 6809
diff changeset
112 end
1c2c3d913172 storagemanager: Split config retrieval into its own function
Matthew Wild <mwild1@gmail.com>
parents: 6809
diff changeset
113
6779
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6663
diff changeset
114 local function get_driver(host, store)
6949
1c2c3d913172 storagemanager: Split config retrieval into its own function
Matthew Wild <mwild1@gmail.com>
parents: 6809
diff changeset
115 local storage = get_storage_config(host);
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
116 local driver_name;
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
117 local option_type = type(storage);
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
118 if option_type == "string" then
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
119 driver_name = storage;
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
120 elseif option_type == "table" then
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
121 driver_name = storage[store];
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
122 end
4085
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents: 4011
diff changeset
123 if not driver_name then
5131
0cd962661fa2 storagemanager: Remove usage of 'core' when calling configmanager.get()
Matthew Wild <mwild1@gmail.com>
parents: 5130
diff changeset
124 driver_name = config.get(host, "default_storage") or "internal";
4085
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents: 4011
diff changeset
125 end
5776
bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5502
diff changeset
126
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
127 local driver = load_driver(host, driver_name);
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
128 if not driver then
4085
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents: 4011
diff changeset
129 log("warn", "Falling back to null driver for %s storage on %s", store, host);
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents: 4011
diff changeset
130 driver_name = "null";
7699cef04740 storagemanager, mod_storage_internal: Split out default driver to mod_storage_internal, and greatly simplify storagemanager's error handling and fallback code
Matthew Wild <mwild1@gmail.com>
parents: 4011
diff changeset
131 driver = null_storage_driver;
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
132 end
5036
be33164aa97e storagemanager: Split out driver choosing from the open() method
Kim Alvefur <zash@zash.se>
parents: 4758
diff changeset
133 return driver, driver_name;
5110
72a7427368f8 storagemanager: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 5041
diff changeset
134 end
72a7427368f8 storagemanager: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 5041
diff changeset
135
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
136 local map_shim_mt = {
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
137 __index = {
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
138 get = function(self, username, key)
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
139 local ret, err = self.keyval_store:get(username);
7151
584d5229cb91 storagemanager: Fix map store shim if store is empty
Kim Alvefur <zash@zash.se>
parents: 7150
diff changeset
140 if ret == nil then return nil, err end
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
141 return ret[key];
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
142 end;
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
143 set = function(self, username, key, data)
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
144 local current, err = self.keyval_store:get(username);
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
145 if current == nil then
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
146 if err then
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
147 return nil, err;
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
148 else
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
149 current = {};
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
150 end
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
151 end
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
152 current[key] = data;
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
153 return self.keyval_store:set(username, current);
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
154 end;
7152
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
155 set_keys = function (self, username, keydatas)
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
156 local current, err = self.keyval_store:get(username);
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
157 if current == nil then
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
158 if err then
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
159 return nil, err;
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
160 end
7244
8c6943918279 storagemanager: Fix saving data in map shim when no prior data exists
Kim Alvefur <zash@zash.se>
parents: 7152
diff changeset
161 current = {};
8c6943918279 storagemanager: Fix saving data in map shim when no prior data exists
Kim Alvefur <zash@zash.se>
parents: 7152
diff changeset
162 end
8c6943918279 storagemanager: Fix saving data in map shim when no prior data exists
Kim Alvefur <zash@zash.se>
parents: 7152
diff changeset
163 for k,v in pairs(keydatas) do
8c6943918279 storagemanager: Fix saving data in map shim when no prior data exists
Kim Alvefur <zash@zash.se>
parents: 7152
diff changeset
164 if v == self.remove then v = nil; end
8c6943918279 storagemanager: Fix saving data in map shim when no prior data exists
Kim Alvefur <zash@zash.se>
parents: 7152
diff changeset
165 current[k] = v;
7152
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
166 end
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
167 return self.keyval_store:set(username, current);
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
168 end;
ca64255bf7cd storagemanager: Add set_keys method to map store shim
Kim Alvefur <zash@zash.se>
parents: 7151
diff changeset
169 remove = {};
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
170 };
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
171 }
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
172
6792
8b284787fe26 storagemanager: Add forward declaration to fix use of open() before it's defined
Kim Alvefur <zash@zash.se>
parents: 6791
diff changeset
173 local open; -- forward declaration
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
174
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
175 local function create_map_shim(host, store)
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
176 local keyval_store, err = open(host, store, "keyval");
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
177 if keyval_store == nil then return nil, err end
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
178 return setmetatable({
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
179 keyval_store = keyval_store;
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
180 }, map_shim_mt);
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
181 end
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
182
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
183 function open(host, store, typ)
5036
be33164aa97e storagemanager: Split out driver choosing from the open() method
Kim Alvefur <zash@zash.se>
parents: 4758
diff changeset
184 local driver, driver_name = get_driver(host, store);
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
185 local ret, err = driver:open(store, typ);
3401
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
186 if not ret then
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
187 if err == "unsupported-store" then
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
188 if typ == "map" then -- Use shim on top of keyval store
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
189 log("debug", "map storage driver unavailable, using shim on top of keyval store.");
7643
44fe2aaf817e storagemanager: Simplify function flow
Matthew Wild <mwild1@gmail.com>
parents: 7325
diff changeset
190 ret, err = create_map_shim(host, store);
44fe2aaf817e storagemanager: Simplify function flow
Matthew Wild <mwild1@gmail.com>
parents: 7325
diff changeset
191 else
44fe2aaf817e storagemanager: Simplify function flow
Matthew Wild <mwild1@gmail.com>
parents: 7325
diff changeset
192 log("debug", "Storage driver %s does not support store %s (%s), falling back to null driver",
44fe2aaf817e storagemanager: Simplify function flow
Matthew Wild <mwild1@gmail.com>
parents: 7325
diff changeset
193 driver_name, store, typ or "<nil>");
44fe2aaf817e storagemanager: Simplify function flow
Matthew Wild <mwild1@gmail.com>
parents: 7325
diff changeset
194 ret, err = null_storage_driver, nil;
7150
fcaaafe4062f storagemanager: When map store isn't available, fallback to keyval store [backported from trunk]
daurnimator <quae@daurnimator.com>
parents: 6951
diff changeset
195 end
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
196 end
3401
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
197 end
7644
90a4790c2329 storagemanager: Fire event when opening a store, and allow the returned store/err to be overridden
Matthew Wild <mwild1@gmail.com>
parents: 7643
diff changeset
198 if ret then
90a4790c2329 storagemanager: Fire event when opening a store, and allow the returned store/err to be overridden
Matthew Wild <mwild1@gmail.com>
parents: 7643
diff changeset
199 local event_data = { host = host, store_name = store, store_type = typ, store = ret };
7994
3325ac397f17 storagemanager: Use the existing local reference to 'hosts'
Kim Alvefur <zash@zash.se>
parents: 7947
diff changeset
200 hosts[host].events.fire_event("store-opened", event_data);
7644
90a4790c2329 storagemanager: Fire event when opening a store, and allow the returned store/err to be overridden
Matthew Wild <mwild1@gmail.com>
parents: 7643
diff changeset
201 ret, err = event_data.store, event_data.store_err;
90a4790c2329 storagemanager: Fire event when opening a store, and allow the returned store/err to be overridden
Matthew Wild <mwild1@gmail.com>
parents: 7643
diff changeset
202 end
3644
22fc2063b824 storagemanager: Much refactoring and renaming of options. Untested, needs storage plugin(s) to be brought into line.
Matthew Wild <mwild1@gmail.com>
parents: 3403
diff changeset
203 return ret, err;
3401
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
204 end
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
205
6779
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6663
diff changeset
206 local function purge(user, host)
6949
1c2c3d913172 storagemanager: Split config retrieval into its own function
Matthew Wild <mwild1@gmail.com>
parents: 6809
diff changeset
207 local storage = get_storage_config(host);
5129
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
208 if type(storage) == "table" then
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
209 -- multiple storage backends in use that we need to purge
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
210 local purged = {};
6809
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
211 for store, driver_name in pairs(storage) do
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
212 if not purged[driver_name] then
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
213 local driver = get_driver(host, store);
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
214 if driver.purge then
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
215 purged[driver_name] = driver:purge(user);
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
216 else
7947
24170d74b00b core: Split some very long lines [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7645
diff changeset
217 log("warn", "Storage driver %s does not support removing all user data, "
24170d74b00b core: Split some very long lines [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7645
diff changeset
218 .."you may need to delete it manually", driver_name);
6809
dd6b21862e3b storagemanager: Check if drivers support purging, warn otherwise
Kim Alvefur <zash@zash.se>
parents: 6807
diff changeset
219 end
5129
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
220 end
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
221 end
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
222 end
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
223 get_driver(host):purge(user); -- and the default driver
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
224
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
225 olddm.purge(user, host); -- COMPAT list stores, like offline messages end up in the old datamanager
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
226
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
227 return true;
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
228 end
e8253c931166 storagemanager: Add purge() for purging user data from all backends in use
Kim Alvefur <zash@zash.se>
parents: 5111
diff changeset
229
3401
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
230 function datamanager.load(username, host, datastore)
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
231 return open(host, datastore):get(username);
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
232 end
2387f35db5c8 storagemanager: Initial commit.
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
233 function datamanager.store(username, host, datastore, data)
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234 return open(host, datastore):set(username, data);
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235 end
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236 function datamanager.users(host, datastore, typ)
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237 local driver = open(host, datastore, typ);
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238 if not driver.users then
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239 return function() log("warn", "Storage driver %s does not support listing users", driver.name) end
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240 end
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241 return driver:users();
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242 end
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243 function datamanager.stores(username, host, typ)
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244 return get_driver(host):stores(username, typ);
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245 end
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246 function datamanager.purge(username, host)
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247 return purge(username, host);
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248 end
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249
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250 return {
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251 initialize_host = initialize_host;
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252 load_driver = load_driver;
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253 get_driver = get_driver;
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254 open = open;
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255 purge = purge;
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256
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257 olddm = olddm;
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258 };