prosody-modules
06fbbd45ba75
mod_storage_lmdb/mod_storage_lmdb.lua

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mod_storage_lmdb/mod_storage_lmdb.lua @ 6302:06fbbd45ba75

mod_cloud_notify: Readme: fix links and labels that were removed in the last commit diff --git a/mod_cloud_notify/README.md b/mod_cloud_notify/README.md --- a/mod_cloud_notify/README.md +++ b/mod_cloud_notify/README.md @@ -1,3 +1,9 @@ +---- +-labels: +-- 'Stage-Beta' +-summary: 'XEP-0357: Cloud push notifications' +---- + # Introduction This module enables support for sending "push notifications" to clients @@ -32,15 +38,15 @@ notification to your device. When your d it will display it or wake up the app so it can connect to XMPP and receive any pending messages. -This protocol is described for developers in \[XEP-0357: Push -Notifications\]. +This protocol is described for developers in [XEP-0357: Push +Notifications]. -For this module to work reliably, you must have \[mod_smacks\], -\[mod_mam\] and \[mod_carbons\] also enabled on your server. +For this module to work reliably, you must have [mod_smacks], +[mod_mam] and [mod_carbons] also enabled on your server. Some clients, notably Siskin and Snikket iOS need some additional extensions that are not currently defined in a standard XEP. To support -these clients, see \[mod_cloud_notify_extensions\]. +these clients, see [mod_cloud_notify_extensions]. # Configuration @@ -58,18 +64,18 @@ these clients, see \[mod_cloud_notify_ex # Internal design notes App servers are notified about offline messages, messages stored by -\[mod_mam\] or messages waiting in the smacks queue. The business rules +[mod_mam] or messages waiting in the smacks queue. The business rules outlined [here](//mail.jabber.org/pipermail/standards/2016-February/030925.html) are all honored[^2]. -To cooperate with \[mod_smacks\] this module consumes some events: +To cooperate with [mod_smacks] this module consumes some events: `smacks-ack-delayed`, `smacks-hibernation-start` and `smacks-hibernation-end`. These events allow this module to send out notifications for messages received while the session is hibernated by -\[mod_smacks\] or even when smacks acknowledgements for messages are +[mod_smacks] or even when smacks acknowledgements for messages are delayed by a certain amount of seconds configurable with the -\[mod_smacks\] setting `smacks_max_ack_delay`. +[mod_smacks] setting `smacks_max_ack_delay`. The `smacks_max_ack_delay` setting allows to send out notifications to clients which aren't already in smacks hibernation state (because the
author Menel <menel@snikket.de>
date Fri, 13 Jun 2025 10:44:37 +0200
parent 1984:2ed6f6eeeaba
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- mod_storage_lmdb
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2 -- Copyright (C) 2015 Kim Alvefur
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3 --
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4 -- This file is MIT/X11 licensed.
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5 --
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6 -- Depends on lightningdbm
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7 -- https://github.com/shmul/lightningdbm
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8 --
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9 -- luacheck: globals prosody open
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10
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11 local assert = assert;
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12 local select = select;
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13 local xpcall = xpcall;
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14 local traceback = debug.traceback;
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16 local lmdb = require"lightningmdb";
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17 local lfs = require"lfs";
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18 local path = require"util.paths";
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19 local serialization = require"util.serialization";
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20 local serialize = serialization.serialize;
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21 local deserialize = serialization.deserialize;
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22
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23 local function transaction(env, flag, func, ...)
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24 local args, n_args = {...}, select("#", ...);
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25 local t = env:txn_begin(nil, flag);
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26 local function f() return func(t, unpack(args, 1, n_args)); end
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27 local success, a, b, c = xpcall(f, traceback);
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28 if not success then
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29 t:abort();
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30 return success, a;
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31 end
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32 local ok, err = t:commit();
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33 if not ok then
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34 return ok, err;
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35 end
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36 return success, a, b, c;
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37 end
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38
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39 local function keyvalue_set(t, db, key, value)
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40 if value ~= nil then
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41 return assert(t:put(db, key, value, 0));
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42 else
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43 return t:del(db, key, value);
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44 end
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45 end
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46
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47 local function keyvalue_get(t, db, key)
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48 local data, err = t:get(db, key, 0);
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49 assert(data or not err, err);
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50 return data;
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51 end
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52
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53 local drivers = {};
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54 local provider = {};
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56 local keyval = {};
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57 local keyval_mt = { __index = keyval, flags = lmdb.MDB_CREATE };
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58 drivers.keyval = keyval_mt;
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59
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60 function keyval:set(key, value)
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61 if type(value) == "table" and next(value) == nil then
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62 value = nil;
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63 end
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64 if value ~= nil then
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65 value = serialize(value);
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66 end
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67 return transaction(self.env, 0, keyvalue_set, self.db, key, value);
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68 end
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69
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70 function keyval:get(key)
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71 local ok, data = transaction(self.env, lmdb.MDB_RDONLY, keyvalue_get, self.db, key);
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72 if not ok then return ok, data; end
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73 return deserialize(data);
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74 end
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75
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76 function provider:init(config)
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77 if config.base_path then
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78 lfs.mkdir(config.base_path);
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79 end
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80 local env = lmdb.env_create();
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81 env:set_maxdbs(config.maxdbs or 20);
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82 local env_flags = 0;
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83 if config.flags then
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84 for flag in config.flags do
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85 env_flags = env_flags + assert(lmdb["MDB_"..flag:upper()], "No such flag "..flag);
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86 end
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87 end
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88 env:open(config.base_path or ".", env_flags, tonumber("640", 8));
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89 self.env = env;
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90 end
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91
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92 function provider:open(store, typ)
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93 typ = typ or "keyval";
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94 local driver_mt = drivers[typ];
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95 if not driver_mt then
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96 return nil, "unsupported-store";
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97 end
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98 local env = self.env;
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99 local t = env:txn_begin(nil, 0);
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100 local db = t:dbi_open(store.."_"..typ, driver_mt.flags);
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101 local ok, err = t:commit();
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102 if not ok then
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103 module:log("error", "Could not open database %s_%s: %s", store, typ, tostring(err));
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104 return ok, err;
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105 end
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106
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107 return setmetatable({ env = env, store = store, type = typ, db = db }, driver_mt);
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108 end
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109
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110 if prosody then
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111 provider:init({
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112 base_path = path.resolve_relative_path(prosody.paths.data, module.host);
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113 flags = module:get_option_set("lmdb_flags", {});
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114 maxdbs = module:get_option_number("lmdb_maxdbs", 20);
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115 });
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116
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117 function module.unload() --luacheck: ignore
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118 provider.env:sync(1);
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119 provider.env:close();
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120 end
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121
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122 module:provides("storage", provider);
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123 else
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124 return provider;
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parents:
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125 end