prosody-modules
a6c51f380777
mod_smacks/mod_smacks.lua

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mod_smacks/mod_smacks.lua @ 3662:a6c51f380777

mod_carbons_adhoc: Remove unused (later shadowed) local variable
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Sun, 01 Sep 2019 01:11:20 +0200
parent 3646:58047d6f2b89
child 3841:b5d367798570
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1670
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
1 -- XEP-0198: Stream Management for Prosody IM
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
2 --
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
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3 -- Copyright (C) 2010-2015 Matthew Wild
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Kim Alvefur <zash@zash.se>
parents: 1637
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4 -- Copyright (C) 2010 Waqas Hussain
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
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5 -- Copyright (C) 2012-2015 Kim Alvefur
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Kim Alvefur <zash@zash.se>
parents: 1637
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6 -- Copyright (C) 2012 Thijs Alkemade
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
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7 -- Copyright (C) 2014 Florian Zeitz
3646
58047d6f2b89 mod_smacks: fix bug #1405 (prevent timer from running for already destroyed sessions)
tmolitor <thilo@eightysoft.de>
parents: 3640
diff changeset
8 -- Copyright (C) 2016-2019 Thilo Molitor
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Kim Alvefur <zash@zash.se>
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9 --
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Kim Alvefur <zash@zash.se>
parents: 1637
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10 -- This project is MIT/X11 licensed. Please see the
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
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11 -- COPYING file in the source package for more information.
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12 --
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13
160
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
14 local st = require "util.stanza";
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15 local dep = require "util.dependencies";
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16 local cache = dep.softreq("util.cache"); -- only available in prosody 0.10+
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parents: 263
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17 local uuid_generate = require "util.uuid".generate;
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18 local jid = require "util.jid";
160
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parents:
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19
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
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20 local t_insert, t_remove = table.insert, table.remove;
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
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21 local math_min = math.min;
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22 local math_max = math.max;
345
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23 local os_time = os.time;
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24 local tonumber, tostring = tonumber, tostring;
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bc24f58a0d39 mod_smacks: Use filters for catching incoming stanzas (more reliable and efficient), also add some logic to make compatible with the stream resumption module (coming soon)
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25 local add_filter = require "util.filters".add_filter;
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
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26 local timer = require "util.timer";
593
db2a40cbd6ef Add a <delay> to stanzas that are queued (and don't have one already), so clients can show them with the original timestamp.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 592
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27 local datetime = require "util.datetime";
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28
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29 local xmlns_sm2 = "urn:xmpp:sm:2";
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30 local xmlns_sm3 = "urn:xmpp:sm:3";
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31 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas";
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32 local xmlns_delay = "urn:xmpp:delay";
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33
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34 local sm2_attr = { xmlns = xmlns_sm2 };
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35 local sm3_attr = { xmlns = xmlns_sm3 };
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parents:
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36
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06a78cba6499 mod_smacks: get_option+_number
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37 local resume_timeout = module:get_option_number("smacks_hibernation_time", 300);
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
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38 local s2s_smacks = module:get_option_boolean("smacks_enabled_s2s", false);
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3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
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39 local s2s_resend = module:get_option_boolean("smacks_s2s_resend", false);
642
842a8a3b0d81 mod_smacks: Make smacks_max_unacked_stanzas configurable
Matthew Wild <mwild1@gmail.com>
parents: 641
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40 local max_unacked_stanzas = module:get_option_number("smacks_max_unacked_stanzas", 0);
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
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41 local delayed_ack_timeout = module:get_option_number("smacks_max_ack_delay", 60);
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42 local max_hibernated_sessions = module:get_option_number("smacks_max_hibernated_sessions", 10);
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43 local max_old_sessions = module:get_option_number("smacks_max_old_sessions", 10);
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713c6791fbcc mod_smacks: Import prosody.core_process_stanza()
Kim Alvefur <zash@zash.se>
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44 local core_process_stanza = prosody.core_process_stanza;
757
92c6f84ec446 mod_smacks: Use require to import (thanks a lot, autocomplete)
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45 local sessionmanager = require"core.sessionmanager";
200
64a573203c20 mod_smacks: Better logic for deciding what is a stanza and what is not, and deciding when to send ack requests
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parents: 160
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46
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47 assert(max_hibernated_sessions > 0, "smacks_max_hibernated_sessions must be greater than 0");
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48 assert(max_old_sessions > 0, "smacks_old_sessions must be greater than 0");
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49
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50 local c2s_sessions = module:shared("/*/c2s/sessions");
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51
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52 local function init_session_cache(max_entries, evict_callback)
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53 -- old prosody version < 0.10 (no limiting at all!)
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54 if not cache then
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55 local store = {};
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56 return {
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57 get = function(user, key)
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58 if not user then return nil; end
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59 if not key then return nil; end
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60 return store[key];
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61 end;
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62 set = function(user, key, value)
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63 if not user then return nil; end
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64 if not key then return nil; end
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65 store[key] = value;
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66 end;
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67 };
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68 end
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69
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70 -- use per user limited cache for prosody >= 0.10
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71 local stores = {};
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72 return {
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73 get = function(user, key)
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74 if not user then return nil; end
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75 if not key then return nil; end
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76 if not stores[user] then
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77 stores[user] = cache.new(max_entries, evict_callback);
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78 end
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79 return stores[user]:get(key);
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80 end;
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81 set = function(user, key, value)
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82 if not user then return nil; end
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83 if not key then return nil; end
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84 if not stores[user] then stores[user] = cache.new(max_entries, evict_callback); end
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85 stores[user]:set(key, value);
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86 -- remove empty caches completely
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87 if not stores[user]:count() then stores[user] = nil; end
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88 end;
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89 };
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90 end
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91 local old_session_registry = init_session_cache(max_old_sessions, nil);
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92 local session_registry = init_session_cache(max_hibernated_sessions, function(resumption_token, session)
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93 if session.destroyed then return true; end -- destroyed session can always be removed from cache
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94 session.log("warn", "User has too much hibernated sessions, removing oldest session (token: %s)", resumption_token);
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95 -- store old session's h values on force delete
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96 -- save only actual h value and username/host (for security)
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97 old_session_registry.set(session.username, resumption_token, {
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98 h = session.handled_stanza_count,
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99 username = session.username,
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100 host = session.host
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101 });
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102 return true; -- allow session to be removed from full cache to make room for new one
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103 end);
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104
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105 local function stoppable_timer(delay, callback)
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106 local stopped = false;
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107 local timer = module:add_timer(delay, function (t)
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108 if stopped then return; end
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109 return callback(t);
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110 end);
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111 if timer and timer.stop then return timer; end -- new prosody api includes stop() function
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112 return {
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113 stop = function () stopped = true end;
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114 timer;
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
115 };
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
116 end
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
117
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
118 local function delayed_ack_function(session)
3646
58047d6f2b89 mod_smacks: fix bug #1405 (prevent timer from running for already destroyed sessions)
tmolitor <thilo@eightysoft.de>
parents: 3640
diff changeset
119 -- fire event only if configured to do so and our session is not already hibernated or destroyed
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
120 if delayed_ack_timeout > 0 and session.awaiting_ack
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
121 and not session.hibernating and not session.destroyed then
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
122 session.log("debug", "Firing event 'smacks-ack-delayed', queue = %d",
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
123 session.outgoing_stanza_queue and #session.outgoing_stanza_queue or 0);
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
124 module:fire_event("smacks-ack-delayed", {origin = session, queue = session.outgoing_stanza_queue});
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
125 end
2494
d300ae5dba87 mod_smacks: Fix some bugs with smacks-ack-delayed event triggering.
tmolitor <thilo@eightysoft.de>
parents: 2491
diff changeset
126 session.delayed_ack_timer = nil;
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
127 end
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
128
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
129 local function can_do_smacks(session, advertise_only)
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
130 if session.smacks then return false, "unexpected-request", "Stream management is already enabled"; end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
131
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
132 local session_type = session.type;
2417
5e7badecf7fe mod_smacks: Check if a session is an authenticated c2s session by looking for a username (fix for change in 0.10 9f70d35a1602)
Kim Alvefur <zash@zash.se>
parents: 2394
diff changeset
133 if session.username then
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
134 if not(advertise_only) and not(session.resource) then -- Fail unless we're only advertising sm
592
f9c73c1249cd Update smacks to urn:xmpp:sm:3. Fix typo in can_do_smacks.
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 591
diff changeset
135 return false, "unexpected-request", "Client must bind a resource before enabling stream management";
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
136 end
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
137 return true;
595
7693724881b3 Fix a typo in mod_smacks (type -> session_type).
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 594
diff changeset
138 elseif s2s_smacks and (session_type == "s2sin" or session_type == "s2sout") then
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
139 return true;
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
140 end
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
141 return false, "service-unavailable", "Stream management is not available for this stream";
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
142 end
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
143
263
41f1cac40560 mod_smacks: Fixed to use the correct events API.
Waqas Hussain <waqas20@gmail.com>
parents: 258
diff changeset
144 module:hook("stream-features",
41f1cac40560 mod_smacks: Fixed to use the correct events API.
Waqas Hussain <waqas20@gmail.com>
parents: 258
diff changeset
145 function (event)
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
146 if can_do_smacks(event.origin, true) then
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
147 event.features:tag("sm", sm2_attr):tag("optional"):up():up();
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
148 event.features:tag("sm", sm3_attr):tag("optional"):up():up();
589
57ac609444c4 mod_smacks: Only advertise stream features when a stream is authenticated, and doesn't already have smacks enabled
Matthew Wild <mwild1@gmail.com>
parents: 588
diff changeset
149 end
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
150 end);
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
151
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
152 module:hook("s2s-stream-features",
263
41f1cac40560 mod_smacks: Fixed to use the correct events API.
Waqas Hussain <waqas20@gmail.com>
parents: 258
diff changeset
153 function (event)
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
154 if can_do_smacks(event.origin, true) then
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
155 event.features:tag("sm", sm2_attr):tag("optional"):up():up();
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
156 event.features:tag("sm", sm3_attr):tag("optional"):up():up();
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
157 end
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
158 end);
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
159
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
160 local function request_ack_if_needed(session, force, reason)
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
161 local queue = session.outgoing_stanza_queue;
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
162 local expected_h = session.last_acknowledged_stanza + #queue;
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
163 -- session.log("debug", "*** SMACKS(1) ***: awaiting_ack=%s, hibernating=%s", tostring(session.awaiting_ack), tostring(session.hibernating));
2727
91cbeb6ad987 mod_smacks: don't send out <r> when already hibernating
tmolitor <thilo@eightysoft.de>
parents: 2713
diff changeset
164 if session.awaiting_ack == nil and not session.hibernating then
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
165 -- this check of last_requested_h prevents ack-loops if missbehaving clients report wrong
3634
915e32d5a147 mod_smacks: fix bug for missbehaving clients sending multiple acks in a row
tmolitor <thilo@eightysoft.de>
parents: 3621
diff changeset
166 -- stanza counts. it is set when an <r> is really sent (e.g. inside timer), preventing any
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
167 -- further requests until a higher h-value would be expected.
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
168 -- session.log("debug", "*** SMACKS(2) ***: #queue=%s, max_unacked_stanzas=%s, expected_h=%s, last_requested_h=%s", tostring(#queue), tostring(max_unacked_stanzas), tostring(expected_h), tostring(session.last_requested_h));
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
169 if (#queue > max_unacked_stanzas and expected_h ~= session.last_requested_h) or force then
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
170 session.log("debug", "Queuing <r> (in a moment) from %s - #queue=%d", reason, #queue);
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
171 session.awaiting_ack = false;
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
172 session.awaiting_ack_timer = stoppable_timer(1e-06, function ()
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
173 -- session.log("debug", "*** SMACKS(3) ***: awaiting_ack=%s, hibernating=%s", tostring(session.awaiting_ack), tostring(session.hibernating));
3646
58047d6f2b89 mod_smacks: fix bug #1405 (prevent timer from running for already destroyed sessions)
tmolitor <thilo@eightysoft.de>
parents: 3640
diff changeset
174 -- only request ack if needed and our session is not already hibernated or destroyed
58047d6f2b89 mod_smacks: fix bug #1405 (prevent timer from running for already destroyed sessions)
tmolitor <thilo@eightysoft.de>
parents: 3640
diff changeset
175 if not session.awaiting_ack and not session.hibernating and not session.destroyed then
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
176 session.log("debug", "Sending <r> (inside timer, before send) from %s - #queue=%d", reason, #queue);
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
177 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks }))
3634
915e32d5a147 mod_smacks: fix bug for missbehaving clients sending multiple acks in a row
tmolitor <thilo@eightysoft.de>
parents: 3621
diff changeset
178 session.awaiting_ack = true;
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
179 -- expected_h could be lower than this expression e.g. more stanzas added to the queue meanwhile)
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
180 session.last_requested_h = session.last_acknowledged_stanza + #queue;
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
181 session.log("debug", "Sending <r> (inside timer, after send) from %s - #queue=%d", reason, #queue);
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
182 if not session.delayed_ack_timer then
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
183 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function()
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
184 delayed_ack_function(session);
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
185 end);
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
186 end
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
187 end
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
188 end);
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
189 end
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
190 end
3104
626d2c781c66 mod_smacks: send maximum resumption timeout to client
Jonas Wielicki <jonas@wielicki.name>
parents: 2937
diff changeset
191
2713
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
192 -- Trigger "smacks-ack-delayed"-event if we added new (ackable) stanzas to the outgoing queue
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
193 -- and there isn't already a timer for this event running.
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
194 -- If we wouldn't do this, stanzas added to the queue after the first "smacks-ack-delayed"-event
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
195 -- would not trigger this event (again).
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
196 if #queue > max_unacked_stanzas and session.awaiting_ack and session.delayed_ack_timer == nil then
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
197 session.log("debug", "Calling delayed_ack_function directly (still waiting for ack)");
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
198 delayed_ack_function(session);
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
199 end
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
200 end
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
201
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
202 local function outgoing_stanza_filter(stanza, session)
1597
dc0cf2ba0e1a mod_smacks: Stanzas don't have a ':' in their name
Kim Alvefur <zash@zash.se>
parents: 1539
diff changeset
203 local is_stanza = stanza.attr and not stanza.attr.xmlns and not stanza.name:find":";
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
204 if is_stanza and not stanza._cached then -- Stanza in default stream namespace
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
205 local queue = session.outgoing_stanza_queue;
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
206 local cached_stanza = st.clone(stanza);
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
207 cached_stanza._cached = true;
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
208
1599
8e006226e4c5 mod_smacks: Don't attach timestamps to 'iq' stanzas
Kim Alvefur <zash@zash.se>
parents: 1598
diff changeset
209 if cached_stanza and cached_stanza.name ~= "iq" and cached_stanza:get_child("delay", xmlns_delay) == nil then
2756
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
210 cached_stanza = cached_stanza:tag("delay", {
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
211 xmlns = xmlns_delay,
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
212 from = jid.bare(session.full_jid or session.host),
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
213 stamp = datetime.datetime()
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
214 });
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
215 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
216
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
217 queue[#queue+1] = cached_stanza;
1522
d4a4ed31567e mod_smacks: Trick session.send() into not returning nil or mod_message will act as if messages were not delivered
Kim Alvefur <zash@zash.se>
parents: 1520
diff changeset
218 if session.hibernating then
d4a4ed31567e mod_smacks: Trick session.send() into not returning nil or mod_message will act as if messages were not delivered
Kim Alvefur <zash@zash.se>
parents: 1520
diff changeset
219 session.log("debug", "hibernating, stanza queued");
3620
fb1c8dee2ead mod_smacks: piggyback ack request onto ack response if queue is not empty, use native stoppable timers if supported
tmolitor <thilo@eightysoft.de>
parents: 3493
diff changeset
220 module:fire_event("smacks-hibernation-stanza-queued", {origin = session, queue = queue, stanza = cached_stanza});
2087
e48dbb640408 mod_smacks: Drop stanzas instead of turning them into the empty string
Kim Alvefur <zash@zash.se>
parents: 1881
diff changeset
221 return nil;
1522
d4a4ed31567e mod_smacks: Trick session.send() into not returning nil or mod_message will act as if messages were not delivered
Kim Alvefur <zash@zash.se>
parents: 1520
diff changeset
222 end
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
223 request_ack_if_needed(session, false, "outgoing_stanza_filter");
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
224 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
225 return stanza;
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
226 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
227
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
228 local function count_incoming_stanzas(stanza, session)
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
229 if not stanza.attr.xmlns then
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
230 session.handled_stanza_count = session.handled_stanza_count + 1;
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
231 session.log("debug", "Handled %d incoming stanzas", session.handled_stanza_count);
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
232 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
233 return stanza;
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
234 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
235
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
236 local function wrap_session_out(session, resume)
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
237 if not resume then
1528
5ccb3ee2cf72 mod_smacks: Remove variable not used after 2881d532f385
Kim Alvefur <zash@zash.se>
parents: 1527
diff changeset
238 session.outgoing_stanza_queue = {};
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
239 session.last_acknowledged_stanza = 0;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
240 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
241
2122
3f788f18cc10 mod_smacks: Adjust filter priorities to avoid conflict with mod_websocket
Kim Alvefur <zash@zash.se>
parents: 2091
diff changeset
242 add_filter(session, "stanzas/out", outgoing_stanza_filter, -999);
988
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
243
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
244 local session_close = session.close;
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
245 function session.close(...)
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
246 if session.resumption_token then
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
247 session_registry.set(session.username, session.resumption_token, nil);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
248 old_session_registry.set(session.username, session.resumption_token, nil);
988
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
249 session.resumption_token = nil;
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
250 end
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
251 -- send out last ack as per revision 1.5.2 of XEP-0198
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
252 if session.smacks and session.conn then
2937
e672d1050529 mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents: 2756
diff changeset
253 (session.sends2s or session.send)(st.stanza("a", { xmlns = session.smacks, h = string.format("%d", session.handled_stanza_count) }));
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
254 end
988
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
255 return session_close(...);
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
256 end
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
257 return session;
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
258 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
259
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
260 local function wrap_session_in(session, resume)
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
261 if not resume then
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
262 session.handled_stanza_count = 0;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
263 end
2122
3f788f18cc10 mod_smacks: Adjust filter priorities to avoid conflict with mod_websocket
Kim Alvefur <zash@zash.se>
parents: 2091
diff changeset
264 add_filter(session, "stanzas/in", count_incoming_stanzas, 999);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
265
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
266 return session;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
267 end
201
bc24f58a0d39 mod_smacks: Use filters for catching incoming stanzas (more reliable and efficient), also add some logic to make compatible with the stream resumption module (coming soon)
Matthew Wild <mwild1@gmail.com>
parents: 200
diff changeset
268
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
269 local function wrap_session(session, resume)
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
270 wrap_session_out(session, resume);
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
271 wrap_session_in(session, resume);
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
272 return session;
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
273 end
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
274
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
275 function handle_enable(session, stanza, xmlns_sm)
591
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
276 local ok, err, err_text = can_do_smacks(session);
36003cae2370 mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents: 590
diff changeset
277 if not ok then
590
40b707d7a809 mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
parents: 589
diff changeset
278 session.log("warn", "Failed to enable smacks: %s", err_text); -- TODO: XEP doesn't say we can send error text, should it?
1527
06ecc5b3ca46 mod_smacks: Send failure correctly on s2s
Kim Alvefur <zash@zash.se>
parents: 1526
diff changeset
279 (session.sends2s or session.send)(st.stanza("failed", { xmlns = xmlns_sm }):tag(err, { xmlns = xmlns_errors}));
590
40b707d7a809 mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
parents: 589
diff changeset
280 return true;
40b707d7a809 mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
parents: 589
diff changeset
281 end
40b707d7a809 mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
parents: 589
diff changeset
282
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
283 module:log("debug", "Enabling stream management");
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
284 session.smacks = xmlns_sm;
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
285
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
286 wrap_session(session, false);
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
287
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
288 local resume_token;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
289 local resume = stanza.attr.resume;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
290 if resume == "true" or resume == "1" then
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
291 resume_token = uuid_generate();
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
292 session_registry.set(session.username, resume_token, session);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
293 session.resumption_token = resume_token;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
294 end
3110
06e07b483805 mod_smacks: Convert max number into a string before inserting it into a stanza.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 3107
diff changeset
295 (session.sends2s or session.send)(st.stanza("enabled", { xmlns = xmlns_sm, id = resume_token, resume = resume, max = tostring(resume_timeout) }));
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
296 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
297 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
298 module:hook_stanza(xmlns_sm2, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm2); end, 100);
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
299 module:hook_stanza(xmlns_sm3, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm3); end, 100);
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
300
1530
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
301 module:hook_stanza("http://etherx.jabber.org/streams", "features",
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
302 function (session, stanza)
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
303 stoppable_timer(1e-6, function ()
1531
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
304 if can_do_smacks(session) then
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
305 if stanza:get_child("sm", xmlns_sm3) then
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
306 session.sends2s(st.stanza("enable", sm3_attr));
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
307 session.smacks = xmlns_sm3;
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
308 elseif stanza:get_child("sm", xmlns_sm2) then
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
309 session.sends2s(st.stanza("enable", sm2_attr));
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
310 session.smacks = xmlns_sm2;
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
311 else
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
312 return;
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
313 end
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
314 wrap_session_out(session, false);
1530
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
315 end
1531
7d86fc477993 mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents: 1530
diff changeset
316 end);
1530
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
317 end);
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
318
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
319 function handle_enabled(session, stanza, xmlns_sm)
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
320 module:log("debug", "Enabling stream management");
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
321 session.smacks = xmlns_sm;
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
322
1530
fb7cd669f41b mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
Kim Alvefur <zash@zash.se>
parents: 1529
diff changeset
323 wrap_session_in(session, false);
576
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
324
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
325 -- FIXME Resume?
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
326
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
327 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
328 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
329 module:hook_stanza(xmlns_sm2, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm2); end, 100);
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
330 module:hook_stanza(xmlns_sm3, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm3); end, 100);
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
331
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
332 function handle_r(origin, stanza, xmlns_sm)
160
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parents:
diff changeset
333 if not origin.smacks then
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parents:
diff changeset
334 module:log("debug", "Received ack request from non-smack-enabled session");
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parents:
diff changeset
335 return;
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
336 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
337 module:log("debug", "Received ack request, acking for %d", origin.handled_stanza_count);
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
338 -- Reply with <a>
2937
e672d1050529 mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents: 2756
diff changeset
339 (origin.sends2s or origin.send)(st.stanza("a", { xmlns = xmlns_sm, h = string.format("%d", origin.handled_stanza_count) }));
3640
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
340 -- piggyback our own ack request if needed (see request_ack_if_needed() for explanation of last_requested_h)
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
341 local expected_h = origin.last_acknowledged_stanza + #origin.outgoing_stanza_queue;
b2f32b3c6ec1 mod_smacks: fix bug in bad client handling introduced by last commit
tmolitor <thilo@eightysoft.de>
parents: 3634
diff changeset
342 if #origin.outgoing_stanza_queue > 0 and expected_h ~= origin.last_requested_h then
3620
fb1c8dee2ead mod_smacks: piggyback ack request onto ack response if queue is not empty, use native stoppable timers if supported
tmolitor <thilo@eightysoft.de>
parents: 3493
diff changeset
343 request_ack_if_needed(origin, true, "piggybacked by handle_r");
fb1c8dee2ead mod_smacks: piggyback ack request onto ack response if queue is not empty, use native stoppable timers if supported
tmolitor <thilo@eightysoft.de>
parents: 3493
diff changeset
344 end
160
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parents:
diff changeset
345 return true;
1298
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
346 end
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
347 module:hook_stanza(xmlns_sm2, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm2); end);
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
348 module:hook_stanza(xmlns_sm3, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm3); end);
160
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parents:
diff changeset
349
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parents: 1293
diff changeset
350 function handle_a(origin, stanza)
160
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parents:
diff changeset
351 if not origin.smacks then return; end
200
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Matthew Wild <mwild1@gmail.com>
parents: 160
diff changeset
352 origin.awaiting_ack = nil;
2090
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
353 if origin.awaiting_ack_timer then
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
354 origin.awaiting_ack_timer:stop();
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
355 end
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
356 if origin.delayed_ack_timer then
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
357 origin.delayed_ack_timer:stop();
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d300ae5dba87 mod_smacks: Fix some bugs with smacks-ack-delayed event triggering.
tmolitor <thilo@eightysoft.de>
parents: 2491
diff changeset
358 origin.delayed_ack_timer = nil;
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
359 end
160
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parents:
diff changeset
360 -- Remove handled stanzas from outgoing_stanza_queue
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
361 -- origin.log("debug", "ACK: h=%s, last=%s", stanza.attr.h or "", origin.last_acknowledged_stanza or "");
1407
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
362 local h = tonumber(stanza.attr.h);
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
363 if not h then
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
364 origin:close{ condition = "invalid-xml"; text = "Missing or invalid 'h' attribute"; };
3477
1f2381492c9f mod_smacks: no crash on <a> without @h, fix #1317
Georg Lukas <georg@op-co.de>
parents: 3450
diff changeset
365 return;
1407
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
366 end
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
367 local handled_stanza_count = h-origin.last_acknowledged_stanza;
220
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parents: 202
diff changeset
368 local queue = origin.outgoing_stanza_queue;
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
369 if handled_stanza_count > #queue then
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
370 origin.log("warn", "The client says it handled %d new stanzas, but we only sent %d :)",
220
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Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
371 handled_stanza_count, #queue);
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
372 origin.log("debug", "Client h: %d, our h: %d", tonumber(stanza.attr.h), origin.last_acknowledged_stanza);
220
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Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
373 for i=1,#queue do
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
374 origin.log("debug", "Q item %d: %s", i, tostring(queue[i]));
220
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Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
375 end
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
376 end
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
377
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
378 for i=1,math_min(handled_stanza_count,#queue) do
3450
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Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
379 local handled_stanza = t_remove(origin.outgoing_stanza_queue, 1);
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parents: 3218
diff changeset
380 module:fire_event("delivery/success", { session = origin, stanza = handled_stanza });
160
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parents:
diff changeset
381 end
3450
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parents: 3218
diff changeset
382
1406
7d76dd2310ef mod_smacks: Add more debug logging
Kim Alvefur <zash@zash.se>
parents: 1405
diff changeset
383 origin.log("debug", "#queue = %d", #queue);
220
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Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
384 origin.last_acknowledged_stanza = origin.last_acknowledged_stanza + handled_stanza_count;
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
385 request_ack_if_needed(origin, false, "handle_a")
160
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parents:
diff changeset
386 return true;
1298
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
387 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
388 module:hook_stanza(xmlns_sm2, "a", handle_a);
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
389 module:hook_stanza(xmlns_sm3, "a", handle_a);
160
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
390
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
391 --TODO: Optimise... incoming stanzas should be handled by a per-session
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
392 -- function that has a counter as an upvalue (no table indexing for increments,
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
393 -- and won't slow non-198 sessions). We can also then remove the .handled flag
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
394 -- on stanzas
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
395
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
396 function handle_unacked_stanzas(session)
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
397 local queue = session.outgoing_stanza_queue;
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
398 local error_attr = { type = "cancel" };
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff changeset
399 if #queue > 0 then
202
d11478ae374e mod_smacks: Clean outgoing stanza queue correctly on session close
Matthew Wild <mwild1@gmail.com>
parents: 201
diff changeset
400 session.outgoing_stanza_queue = {};
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
401 for i=1,#queue do
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
402 if not module:fire_event("delivery/failure", { session = session, stanza = queue[i] }) then
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
403 local reply = st.reply(queue[i]);
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
404 if reply.attr.to ~= session.full_jid then
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
405 reply.attr.type = "error";
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
406 reply:tag("error", error_attr)
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
407 :tag("recipient-unavailable", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"});
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
408 core_process_stanza(session, reply);
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
409 end
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
410 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
411 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
412 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
413 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
414
622
ce39df945de1 mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents: 595
diff changeset
415 module:hook("pre-resource-unbind", function (event)
ce39df945de1 mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents: 595
diff changeset
416 local session, err = event.session, event.error;
1024
d7655e634c30 mod_smacks: Allow resumption if the TCP connection is closed from our end, c15cea87036f ensures distinction from cleanly closed streams (thanks Lance)
Kim Alvefur <zash@zash.se>
parents: 994
diff changeset
417 if session.smacks then
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
418 if not session.resumption_token then
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
419 local queue = session.outgoing_stanza_queue;
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
420 if #queue > 0 then
3150
14b6ad2b773f mod_smacks: Reduce unacked stanza log message from warn->debug
Matthew Wild <mwild1@gmail.com>
parents: 3110
diff changeset
421 session.log("debug", "Destroying session with %d unacked stanzas", #queue);
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
422 handle_unacked_stanzas(session);
160
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Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
423 end
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
424 else
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
425 session.log("debug", "mod_smacks hibernating session for up to %d seconds", resume_timeout);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
426 local hibernate_time = os_time(); -- Track the time we went into hibernation
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
427 session.hibernating = hibernate_time;
478
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
428 local resumption_token = session.resumption_token;
2140
3a94b3cd31e2 mod_smacks: added new events for hibernation start/end
tmolitor <thilo@eightysoft.de>
parents: 2136
diff changeset
429 module:fire_event("smacks-hibernation-start", {origin = session, queue = session.outgoing_stanza_queue});
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
430 timer.add_task(resume_timeout, function ()
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
431 session.log("debug", "mod_smacks hibernation timeout reached...");
478
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
432 -- We need to check the current resumption token for this resource
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
433 -- matches the smacks session this timer is for in case it changed
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
434 -- (for example, the client may have bound a new resource and
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
435 -- started a new smacks session, or not be using smacks)
810
464ed063a8f2 mod_smacks: Less table indexing!
Kim Alvefur <zash@zash.se>
parents: 757
diff changeset
436 local curr_session = full_sessions[session.full_jid];
1598
043d08448d87 mod_smacks: Remove negation of condition, most likely a leftover from debugging
Kim Alvefur <zash@zash.se>
parents: 1597
diff changeset
437 if session.destroyed then
987
fabff75bfc3f mod_smacks: If a hibernating session was destroyed before the timeout, don't destroy it again or say that it was resumed
Kim Alvefur <zash@zash.se>
parents: 925
diff changeset
438 session.log("debug", "The session has already been destroyed");
fabff75bfc3f mod_smacks: If a hibernating session was destroyed before the timeout, don't destroy it again or say that it was resumed
Kim Alvefur <zash@zash.se>
parents: 925
diff changeset
439 elseif curr_session and curr_session.resumption_token == resumption_token
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
440 -- Check the hibernate time still matches what we think it is,
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
441 -- otherwise the session resumed and re-hibernated.
478
db0f065c4e09 mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents: 345
diff changeset
442 and session.hibernating == hibernate_time then
3107
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
443 -- wait longer if the timeout isn't reached because push was enabled for this session
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
444 -- session.first_hibernated_push is the starting point for hibernation timeouts of those push enabled clients
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
445 -- wait for an additional resume_timeout seconds if no push occured since hibernation at all
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
446 local current_time = os_time();
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
447 local timeout_start = math_max(session.hibernating, session.first_hibernated_push or session.hibernating);
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
448 if session.push_identifier ~= nil and not session.first_hibernated_push then
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
449 session.log("debug", "No push happened since hibernation started, hibernating session for up to %d extra seconds", resume_timeout);
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
450 return resume_timeout;
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
451 end
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
452 if current_time-timeout_start < resume_timeout and session.push_identifier ~= nil then
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
453 session.log("debug", "A push happened since hibernation started, hibernating session for up to %d extra seconds", current_time-timeout_start);
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
454 return current_time-timeout_start; -- time left to wait
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
455 end
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
456 session.log("debug", "Destroying session for hibernating too long");
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
457 session_registry.set(session.username, session.resumption_token, nil);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
458 -- save only actual h value and username/host (for security)
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
459 old_session_registry.set(session.username, session.resumption_token, {
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
460 h = session.handled_stanza_count,
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
461 username = session.username,
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
462 host = session.host
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
463 });
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
464 session.resumption_token = nil;
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
465 sessionmanager.destroy_session(session);
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
466 else
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
467 session.log("debug", "Session resumed before hibernation timeout, all is well")
257
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
468 end
08fa42e1ab06 mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents: 256
diff changeset
469 end);
622
ce39df945de1 mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents: 595
diff changeset
470 return true; -- Postpone destruction for now
160
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
471 end
9a7671720dec mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
472 end
622
ce39df945de1 mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents: 595
diff changeset
473 end);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
474
1732
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
475 local function handle_s2s_destroyed(event)
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
476 local session = event.session;
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
477 local queue = session.outgoing_stanza_queue;
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
478 if queue and #queue > 0 then
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
479 session.log("warn", "Destroying session with %d unacked stanzas", #queue);
1881
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
480 if s2s_resend then
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
481 for i = 1, #queue do
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
482 module:send(queue[i]);
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
483 end
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
484 session.outgoing_stanza_queue = nil;
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
485 else
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
486 handle_unacked_stanzas(session);
3683eb95bc1a mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents: 1733
diff changeset
487 end
1732
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
488 end
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
489 end
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
490
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
491 module:hook("s2sout-destroyed", handle_s2s_destroyed);
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
492 module:hook("s2sin-destroyed", handle_s2s_destroyed);
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
493
3218
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
494 local function get_session_id(session)
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
495 return session.id or (tostring(session):match("[a-f0-9]+$"));
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
496 end
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
497
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
498 function handle_resume(session, stanza, xmlns_sm)
925
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
499 if session.full_jid then
994
487cd02aada0 mod_smacks: Complain a little louder about clients trying to resume after resource binding
Kim Alvefur <zash@zash.se>
parents: 988
diff changeset
500 session.log("warn", "Tried to resume after resource binding");
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
501 session.send(st.stanza("failed", { xmlns = xmlns_sm })
925
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
502 :tag("unexpected-request", { xmlns = xmlns_errors })
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
503 );
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
504 return true;
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
505 end
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
506
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
507 local id = stanza.attr.previd;
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
508 local original_session = session_registry.get(session.username, id);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
509 if not original_session then
588
8042558336b6 mod_smacks: Log message when client tries to resume unknown session
Matthew Wild <mwild1@gmail.com>
parents: 587
diff changeset
510 session.log("debug", "Tried to resume non-existent session with id %s", id);
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
511 local old_session = old_session_registry.get(session.username, id);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
512 if old_session and session.username == old_session.username
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
513 and session.host == old_session.host
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
514 and old_session.h then
2937
e672d1050529 mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents: 2756
diff changeset
515 session.send(st.stanza("failed", { xmlns = xmlns_sm, h = string.format("%d", old_session.h) })
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
516 :tag("item-not-found", { xmlns = xmlns_errors })
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
517 );
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
518 else
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
519 session.send(st.stanza("failed", { xmlns = xmlns_sm })
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
520 :tag("item-not-found", { xmlns = xmlns_errors })
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
521 );
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
522 end;
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
523 elseif session.username == original_session.username
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
524 and session.host == original_session.host then
3218
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
525 session.log("debug", "mod_smacks resuming existing session %s...", get_session_id(original_session));
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
526 original_session.log("debug", "mod_smacks session resumed from %s...", get_session_id(session));
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
527 -- TODO: All this should move to sessionmanager (e.g. session:replace(new_session))
623
c1f3958695ea mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents: 622
diff changeset
528 if original_session.conn then
3218
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
529 original_session.log("debug", "mod_smacks closing an old connection for this session");
623
c1f3958695ea mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents: 622
diff changeset
530 local conn = original_session.conn;
640
d87131b29bbd mod_smacks: Remove dependency on connlisteners (use sessions table shared by mod_c2s directly)
Matthew Wild <mwild1@gmail.com>
parents: 625
diff changeset
531 c2s_sessions[conn] = nil;
623
c1f3958695ea mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents: 622
diff changeset
532 conn:close();
c1f3958695ea mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents: 622
diff changeset
533 end
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
534 original_session.ip = session.ip;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
535 original_session.conn = session.conn;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
536 original_session.send = session.send;
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
537 original_session.close = session.close;
1637
ad6694f7b13c mod_smacks: Don't restore filters from original session after resumption, use new filters
Matthew Wild <mwild1@gmail.com>
parents: 1599
diff changeset
538 original_session.filter = session.filter;
1706
e4867211cddb mod_smacks: Set session upvalue of filter() to correct session
Kim Alvefur <zash@zash.se>
parents: 1705
diff changeset
539 original_session.filter.session = original_session;
1705
6fa220a9f36d mod_smacks: Move set of filters from new session to session being resumed
Kim Alvefur <zash@zash.se>
parents: 1704
diff changeset
540 original_session.filters = session.filters;
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
541 original_session.stream = session.stream;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
542 original_session.secure = session.secure;
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
543 original_session.hibernating = nil;
3479
9ef309fb501d mod_smacks: apply resumed logger and type to new session, fix #1229
Georg Lukas <georg@op-co.de>
parents: 3478
diff changeset
544 session.log = original_session.log;
9ef309fb501d mod_smacks: apply resumed logger and type to new session, fix #1229
Georg Lukas <georg@op-co.de>
parents: 3478
diff changeset
545 session.type = original_session.type;
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
546 wrap_session(original_session, true);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
547 -- Inform xmppstream of the new session (passed to its callbacks)
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
548 original_session.stream:set_session(original_session);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
549 -- Similar for connlisteners
640
d87131b29bbd mod_smacks: Remove dependency on connlisteners (use sessions table shared by mod_c2s directly)
Matthew Wild <mwild1@gmail.com>
parents: 625
diff changeset
550 c2s_sessions[session.conn] = original_session;
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
551
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
552 original_session.send(st.stanza("resumed", { xmlns = xmlns_sm,
2937
e672d1050529 mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents: 2756
diff changeset
553 h = string.format("%d", original_session.handled_stanza_count), previd = id }));
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
554
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
555 -- Fake an <a> with the h of the <resume/> from the client
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
556 original_session:dispatch_stanza(st.stanza("a", { xmlns = xmlns_sm,
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
557 h = stanza.attr.h }));
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
558
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
559 -- Ok, we need to re-send any stanzas that the client didn't see
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
560 -- ...they are what is now left in the outgoing stanza queue
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
561 local queue = original_session.outgoing_stanza_queue;
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
562 original_session.log("debug", "#queue = %d", #queue);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
563 for i=1,#queue do
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
564 original_session.send(queue[i]);
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
565 end
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
566 original_session.log("debug", "#queue = %d -- after send", #queue);
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
567 function session.send(stanza)
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
568 session.log("warn", "Tried to send stanza on old session migrated by smacks resume (maybe there is a bug?): %s", tostring(stanza));
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
569 return false;
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
570 end
2744
f70c02c14161 mod_smacks: Trigger event smacks-hibernation-end after queue resend
tmolitor <thilo@eightysoft.de>
parents: 2727
diff changeset
571 module:fire_event("smacks-hibernation-end", {origin = session, resumed = original_session, queue = queue});
3478
f6319346e2a3 mod_smacks: improved debug logging
Georg Lukas <georg@op-co.de>
parents: 3477
diff changeset
572 request_ack_if_needed(original_session, true, "handle_resume");
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
573 else
755
bab7c4ace803 mod_smacks: Fix log statement
Kim Alvefur <zash@zash.se>
parents: 754
diff changeset
574 module:log("warn", "Client %s@%s[%s] tried to resume stream for %s@%s[%s]",
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
575 session.username or "?", session.host or "?", session.type,
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
576 original_session.username or "?", original_session.host or "?", original_session.type);
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
577 session.send(st.stanza("failed", { xmlns = xmlns_sm })
345
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
578 :tag("not-authorized", { xmlns = xmlns_errors }));
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
579 end
445178d15b51 mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents: 263
diff changeset
580 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
581 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
582 module:hook_stanza(xmlns_sm2, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm2); end);
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
583 module:hook_stanza(xmlns_sm3, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm3); end);
1733
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
584
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
585 local function handle_read_timeout(event)
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
586 local session = event.session;
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
587 if session.smacks then
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
588 if session.awaiting_ack then
2090
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
589 if session.awaiting_ack_timer then
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
590 session.awaiting_ack_timer:stop();
1796a022dd29 mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
parents: 2089
diff changeset
591 end
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
592 if session.delayed_ack_timer then
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
593 session.delayed_ack_timer:stop();
2494
d300ae5dba87 mod_smacks: Fix some bugs with smacks-ack-delayed event triggering.
tmolitor <thilo@eightysoft.de>
parents: 2491
diff changeset
594 session.delayed_ack_timer = nil;
2394
4c27ebcf4cbd mod_smacks: added new event "smacks-ack-delayed" used by mod_cloud_notify and extended the readme file accordingly (also mention mod_smacks_offline and mod_smacks_noerror in readme file)
tmolitor <thilo@eightysoft.de>
parents: 2251
diff changeset
595 end
1733
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
596 return false; -- Kick the session
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
597 end
2091
ea95637cf041 mod_smacks: Log when sending <r> from read timeout event (0.10+)
Kim Alvefur <zash@zash.se>
parents: 2090
diff changeset
598 session.log("debug", "Sending <r> (read timeout)");
1733
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
599 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks }));
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
600 session.awaiting_ack = true;
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
601 if not session.delayed_ack_timer then
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
602 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function()
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
603 delayed_ack_function(session);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
604 end);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
605 end
1733
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
606 return true;
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
607 end
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
608 end
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
609
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
610 module:hook("s2s-read-timeout", handle_read_timeout);
9abd3dce619a mod_smacks: Handle the read timeout event (0.10+ only) and send an ack request, close the connection the second time if unanswerd
Kim Alvefur <zash@zash.se>
parents: 1732
diff changeset
611 module:hook("c2s-read-timeout", handle_read_timeout);