Mercurial > prosody-modules

annotate mod_smacks/mod_smacks.lua @ 5473:e4382f6e3564

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mod_http_oauth2: Tweak formatting of log message No need to `or ""` anymore since Prosody rev e88db5668cfb (0.11.0) and the %q format should produce either (nil) or "http://example"
author Kim Alvefur <zash@zash.se>
date Thu, 18 May 2023 13:27:27 +0200
parents e227af629736
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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
diff changeset
3 -- Copyright (C) 2010-2015 Matthew Wild
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
4 -- Copyright (C) 2010 Waqas Hussain
4445
e13eb0f851c8 mod_smacks: Explicitly request ack when leaving CSI-inactive mode
Kim Alvefur <zash@zash.se>
parents: 4444
diff changeset
5 -- Copyright (C) 2012-2021 Kim Alvefur
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5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
6 -- Copyright (C) 2012 Thijs Alkemade
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
7 -- Copyright (C) 2014 Florian Zeitz
3841
b5d367798570 Fix bug readding stanzas to outgoing_queue on resume
tmolitor <thilo@eightysoft.de>
parents: 3646
diff changeset
8 -- Copyright (C) 2016-2020 Thilo Molitor
1670
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
9 --
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
10 -- This project is MIT/X11 licensed. Please see the
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
11 -- COPYING file in the source package for more information.
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
12 --
5f5ff061b316 mod_smacks: Add license header
Kim Alvefur <zash@zash.se>
parents: 1637
diff changeset
13
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
14 local st = require "util.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
15 local dep = require "util.dependencies";
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
16 local cache = dep.softreq("util.cache"); -- only available in prosody 0.10+
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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
17 local uuid_generate = require "util.uuid".generate;
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dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
18 local jid = require "util.jid";
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
19
3955
017f60608fc8 mod_smacks: also count outgoing MAM messages
JC Brand <jc@opkode.com>
parents: 3942
diff changeset
20 local t_remove = table.remove;
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263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
21 local math_min = math.min;
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f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
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22 local math_max = math.max;
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
23 local os_time = os.time;
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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
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)
Matthew Wild <mwild1@gmail.com>
parents: 200
diff changeset
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
diff changeset
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
diff changeset
27 local datetime = require "util.datetime";
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Matthew Wild <mwild1@gmail.com>
parents:
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28
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22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
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29 local xmlns_mam2 = "urn:xmpp:mam:2";
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659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
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30 local xmlns_sm2 = "urn:xmpp:sm:2";
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
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31 local xmlns_sm3 = "urn:xmpp:sm:3";
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parents: 263
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32 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas";
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db2a40cbd6ef Add a <delay> to stanzas that are queued (and don't have one already), so clients can show them with the original timestamp.
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parents: 592
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33 local xmlns_delay = "urn:xmpp:delay";
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Matthew Wild <mwild1@gmail.com>
parents:
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34
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Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
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35 local sm2_attr = { xmlns = xmlns_sm2 };
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parents: 1293
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36 local sm3_attr = { xmlns = xmlns_sm3 };
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Matthew Wild <mwild1@gmail.com>
parents:
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37
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0957ba6aeb99 mod_smacks: Update documentation and slightly adjust default values
tmolitor <thilo@eightysoft.de>
parents: 3942
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38 local resume_timeout = module:get_option_number("smacks_hibernation_time", 600);
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8bdb9805bb73 mod_smacks: Enable on s2s by default to see what breaks
Kim Alvefur <zash@zash.se>
parents: 4463
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39 local s2s_smacks = module:get_option_boolean("smacks_enabled_s2s", true);
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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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40 local s2s_resend = module:get_option_boolean("smacks_s2s_resend", false);
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842a8a3b0d81 mod_smacks: Make smacks_max_unacked_stanzas configurable
Matthew Wild <mwild1@gmail.com>
parents: 641
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41 local max_unacked_stanzas = module:get_option_number("smacks_max_unacked_stanzas", 0);
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2f5e52d67928 mod_smacks: Do ask for acks while in CSI inactive mode, but less frequent
Kim Alvefur <zash@zash.se>
parents: 4442
diff changeset
42 local max_inactive_unacked_stanzas = module:get_option_number("smacks_max_inactive_unacked_stanzas", 256);
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tmolitor <thilo@eightysoft.de>
parents: 3942
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43 local delayed_ack_timeout = module:get_option_number("smacks_max_ack_delay", 30);
2596
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
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44 local max_hibernated_sessions = module:get_option_number("smacks_max_hibernated_sessions", 10);
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tmolitor <thilo@eightysoft.de>
parents: 2494
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45 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>
parents: 642
diff changeset
46 local core_process_stanza = prosody.core_process_stanza;
757
92c6f84ec446 mod_smacks: Use require to import (thanks a lot, autocomplete)
Kim Alvefur <zash@zash.se>
parents: 756
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47 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
Matthew Wild <mwild1@gmail.com>
parents: 160
diff changeset
48
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3d4eefdd950a mod_smacks: Raise error on out-of-range config options (thanks marc0s)
Matthew Wild <mwild1@gmail.com>
parents: 3479
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49 assert(max_hibernated_sessions > 0, "smacks_max_hibernated_sessions must be greater than 0");
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
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50 assert(max_old_sessions > 0, "smacks_max_old_sessions must be greater than 0");
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Matthew Wild <mwild1@gmail.com>
parents: 3479
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51
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
52 local c2s_sessions = module:shared("/*/c2s/sessions");
2596
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tmolitor <thilo@eightysoft.de>
parents: 2494
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53
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tmolitor <thilo@eightysoft.de>
parents: 2494
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54 local function init_session_cache(max_entries, evict_callback)
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parents: 2494
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55 -- old prosody version < 0.10 (no limiting at all!)
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parents: 2494
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56 if not cache then
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parents: 2494
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57 local store = {};
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parents: 2494
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58 return {
2701
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
parents: 2670
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59 get = function(user, key)
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
parents: 2670
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60 if not user then return nil; end
d96831e46b64 Fix #889
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parents: 2670
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61 if not key then return nil; end
d96831e46b64 Fix #889
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62 return store[key];
d96831e46b64 Fix #889
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63 end;
d96831e46b64 Fix #889
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parents: 2670
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64 set = function(user, key, value)
d96831e46b64 Fix #889
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parents: 2670
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65 if not user then return nil; end
d96831e46b64 Fix #889
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parents: 2670
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66 if not key then return nil; end
d96831e46b64 Fix #889
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parents: 2670
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67 store[key] = value;
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parents: 2670
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68 end;
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69 };
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70 end
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626d2c781c66 mod_smacks: send maximum resumption timeout to client
Jonas Wielicki <jonas@wielicki.name>
parents: 2937
diff changeset
71
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parents: 2494
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72 -- use per user limited cache for prosody >= 0.10
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73 local stores = {};
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74 return {
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tmolitor <thilo@eightysoft.de>
parents: 2494
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75 get = function(user, key)
2701
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
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76 if not user then return nil; end
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
parents: 2670
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77 if not key then return nil; end
2596
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tmolitor <thilo@eightysoft.de>
parents: 2494
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78 if not stores[user] then
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
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parents: 2494
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79 stores[user] = cache.new(max_entries, evict_callback);
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tmolitor <thilo@eightysoft.de>
parents: 2494
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80 end
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81 return stores[user]:get(key);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
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82 end;
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
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83 set = function(user, key, value)
2701
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
parents: 2670
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84 if not user then return nil; end
d96831e46b64 Fix #889
tmolitor <thilo@eightysoft.de>
parents: 2670
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85 if not key then return nil; end
2596
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tmolitor <thilo@eightysoft.de>
parents: 2494
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86 if not stores[user] then stores[user] = cache.new(max_entries, evict_callback); end
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
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parents: 2494
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87 stores[user]:set(key, value);
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tmolitor <thilo@eightysoft.de>
parents: 2494
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88 -- remove empty caches completely
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parents: 2494
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89 if not stores[user]:count() then stores[user] = nil; end
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parents: 2494
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90 end;
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tmolitor <thilo@eightysoft.de>
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91 };
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
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92 end
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tmolitor <thilo@eightysoft.de>
parents: 2494
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93 local old_session_registry = init_session_cache(max_old_sessions, nil);
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parents: 2494
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94 local session_registry = init_session_cache(max_hibernated_sessions, function(resumption_token, session)
2701
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tmolitor <thilo@eightysoft.de>
parents: 2670
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95 if session.destroyed then return true; end -- destroyed session can always be removed from cache
2596
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parents: 2494
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96 session.log("warn", "User has too much hibernated sessions, removing oldest session (token: %s)", resumption_token);
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
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parents: 2494
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97 -- store old session's h values on force delete
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
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98 -- 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
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99 old_session_registry.set(session.username, resumption_token, {
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parents: 2494
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100 h = session.handled_stanza_count,
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parents: 2494
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101 username = session.username,
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102 host = session.host
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103 });
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104 return true; -- allow session to be removed from full cache to make room for new one
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105 end);
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106
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tmolitor <thilo@eightysoft.de>
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107 local function stoppable_timer(delay, callback)
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tmolitor <thilo@eightysoft.de>
parents: 2494
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108 local stopped = false;
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
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109 local timer = module:add_timer(delay, function (t)
fb1c8dee2ead mod_smacks: piggyback ack request onto ack response if queue is not empty, use native stoppable timers if supported
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parents: 3493
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110 if stopped then return; end
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111 return callback(t);
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parents: 3493
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112 end);
3621
c2c851722a8a mod_smacks: fix prosody 0.9 compatibility
tmolitor <thilo@eightysoft.de>
parents: 3620
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113 if timer and timer.stop then return timer; end -- new prosody api includes stop() function
2596
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tmolitor <thilo@eightysoft.de>
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114 return {
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
115 stop = function(self) stopped = true end;
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
116 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
117 };
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
118 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
119
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
120 local function delayed_ack_function(session, stanza)
3646
58047d6f2b89 mod_smacks: fix bug #1405 (prevent timer from running for already destroyed sessions)
tmolitor <thilo@eightysoft.de>
parents: 3640
diff changeset
121 -- 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
122 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
123 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
124 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
125 session.outgoing_stanza_queue and #session.outgoing_stanza_queue or 0);
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
126 module:fire_event("smacks-ack-delayed", {origin = session, queue = session.outgoing_stanza_queue, stanza = stanza});
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
2494
d300ae5dba87 mod_smacks: Fix some bugs with smacks-ack-delayed event triggering.
tmolitor <thilo@eightysoft.de>
parents: 2491
diff changeset
128 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
129 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
130
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
131 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
132 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
133
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 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
135 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
136 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
137 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
138 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
139 return true;
595
7693724881b3 Fix a typo in mod_smacks (type -> session_type).
Thijs Alkemade <thijsalkemade@gmail.com>
parents: 594
diff changeset
140 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
141 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
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 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
144 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
145
263
41f1cac40560 mod_smacks: Fixed to use the correct events API.
Waqas Hussain <waqas20@gmail.com>
parents: 258
diff changeset
146 module:hook("stream-features",
41f1cac40560 mod_smacks: Fixed to use the correct events API.
Waqas Hussain <waqas20@gmail.com>
parents: 258
diff changeset
147 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
148 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
149 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
150 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
151 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
152 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
153
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
154 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
155 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
156 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
157 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
158 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
159 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
160 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
161
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
162 local function request_ack_if_needed(session, force, reason, stanza)
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
163 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
164 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
165 -- session.log("debug", "*** SMACKS(1) ***: awaiting_ack=%s, hibernating=%s", tostring(session.awaiting_ack), tostring(session.hibernating));
4637
242251ce1036 mod_smacks: Use 'smacks_max_inactive_unacked_stanzas' when inactive and no timer
Kim Alvefur <zash@zash.se>
parents: 4632
diff changeset
166 local max_unacked = max_unacked_stanzas;
242251ce1036 mod_smacks: Use 'smacks_max_inactive_unacked_stanzas' when inactive and no timer
Kim Alvefur <zash@zash.se>
parents: 4632
diff changeset
167 if session.state == "inactive" then
242251ce1036 mod_smacks: Use 'smacks_max_inactive_unacked_stanzas' when inactive and no timer
Kim Alvefur <zash@zash.se>
parents: 4632
diff changeset
168 max_unacked = max_inactive_unacked_stanzas;
242251ce1036 mod_smacks: Use 'smacks_max_inactive_unacked_stanzas' when inactive and no timer
Kim Alvefur <zash@zash.se>
parents: 4632
diff changeset
169 end
4444
2f5e52d67928 mod_smacks: Do ask for acks while in CSI inactive mode, but less frequent
Kim Alvefur <zash@zash.se>
parents: 4442
diff changeset
170 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
171 -- 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
172 -- 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
173 -- 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
174 -- 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));
4444
2f5e52d67928 mod_smacks: Do ask for acks while in CSI inactive mode, but less frequent
Kim Alvefur <zash@zash.se>
parents: 4442
diff changeset
175 if (#queue > max_unacked 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
176 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
177 session.awaiting_ack = false;
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
178 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
179 -- 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
180 -- 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
181 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
182 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
183 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks }))
4537
53ee391ca689 mod_smacks: Fix traceback due to session being destroyed in send()
Kim Alvefur <zash@zash.se>
parents: 4536
diff changeset
184 if session.destroyed then return end -- sending something can trigger destruction
3634
915e32d5a147 mod_smacks: fix bug for missbehaving clients sending multiple acks in a row
tmolitor <thilo@eightysoft.de>
parents: 3621
diff changeset
185 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
186 -- 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
187 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
188 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
189 if not session.delayed_ack_timer then
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
190 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function()
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
191 delayed_ack_function(session, nil); -- we don't know if this is the only new stanza in the queue
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
192 end);
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
193 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
194 end
2624
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
195 end);
c110b6bfe5d1 mod_smacks: Prevent ack loop on misbehaving clients
tmolitor <thilo@eightysoft.de>
parents: 2623
diff changeset
196 end
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
197 end
3104
626d2c781c66 mod_smacks: send maximum resumption timeout to client
Jonas Wielicki <jonas@wielicki.name>
parents: 2937
diff changeset
198
2713
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
199 -- 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
200 -- 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
201 -- 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
202 -- would not trigger this event (again).
4637
242251ce1036 mod_smacks: Use 'smacks_max_inactive_unacked_stanzas' when inactive and no timer
Kim Alvefur <zash@zash.se>
parents: 4632
diff changeset
203 if #queue > max_unacked and session.awaiting_ack and session.delayed_ack_timer == nil then
2713
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
204 session.log("debug", "Calling delayed_ack_function directly (still waiting for ack)");
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
205 delayed_ack_function(session, stanza); -- this is the only new stanza in the queue --> provide it to other modules
2713
eea1d5bac451 mod_smacks: Fix delayed_ack event
tmolitor <thilo@eightysoft.de>
parents: 2701
diff changeset
206 end
2491
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
207 end
5fbca7de2088 mod_smacks: Send out more ack requests where needed
tmolitor <thilo@eightysoft.de>
parents: 2417
diff changeset
208
3956
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
209 local function outgoing_stanza_filter(stanza, session)
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
210 -- XXX: Normally you wouldn't have to check the xmlns for a stanza as it's
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
211 -- supposed to be nil.
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
212 -- However, when using mod_smacks with mod_websocket, then mod_websocket's
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
213 -- stanzas/out filter can get called before this one and adds the xmlns.
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
214 local is_stanza = stanza.attr and
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
215 (not stanza.attr.xmlns or stanza.attr.xmlns == 'jabber:client')
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
216 and not stanza.name:find":";
3955
017f60608fc8 mod_smacks: also count outgoing MAM messages
JC Brand <jc@opkode.com>
parents: 3942
diff changeset
217
3956
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
218 if is_stanza and not stanza._cached then
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
219 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
220 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
221 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
222
1599
8e006226e4c5 mod_smacks: Don't attach timestamps to 'iq' stanzas
Kim Alvefur <zash@zash.se>
parents: 1598
diff changeset
223 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
224 cached_stanza = cached_stanza:tag("delay", {
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
225 xmlns = xmlns_delay,
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
226 from = jid.bare(session.full_jid or session.host),
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
227 stamp = datetime.datetime()
dbba101601b4 mod_smacks: Fix #921
tmolitor <thilo@eightysoft.de>
parents: 2744
diff changeset
228 });
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
229 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
230
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
231 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
232 if session.hibernating then
4584
f6f28ceff53a mod_smacks: Include timestamp in hibernation log message
Kim Alvefur <zash@zash.se>
parents: 4539
diff changeset
233 session.log("debug", "hibernating since %s, stanza queued", datetime.datetime(session.hibernating));
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
234 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
235 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
236 end
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
237 request_ack_if_needed(session, false, "outgoing_stanza_filter", stanza);
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
238 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
239 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
240 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
241
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
242 local function count_incoming_stanzas(stanza, session)
3956
ebc1f1d962c5 mod_stanzas: tighten up stanza check and add explanatory text
JC Brand <jc@opkode.com>
parents: 3955
diff changeset
243 if not stanza.attr.xmlns then
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
244 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
245 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
246 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
247 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
248 end
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
249
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
250 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
251 if not resume then
1528
5ccb3ee2cf72 mod_smacks: Remove variable not used after 2881d532f385
Kim Alvefur <zash@zash.se>
parents: 1527
diff changeset
252 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
253 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
254 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
255
2122
3f788f18cc10 mod_smacks: Adjust filter priorities to avoid conflict with mod_websocket
Kim Alvefur <zash@zash.se>
parents: 2091
diff changeset
256 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
257
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
258 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
259 function session.close(...)
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
260 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
261 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
262 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
263 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
264 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
265 -- send out last ack as per revision 1.5.2 of XEP-0198
4631
921c607617b0 mod_smacks: Fix traceback on missing stanza counter
Kim Alvefur <zash@zash.se>
parents: 4584
diff changeset
266 if session.smacks and session.conn and session.handled_stanza_count then
2937
e672d1050529 mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents: 2756
diff changeset
267 (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
268 end
988
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
269 return session_close(...);
c15cea87036f mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents: 987
diff changeset
270 end
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
271 return session;
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
272 end
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
273
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
274 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
275 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
276 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
277 end
2122
3f788f18cc10 mod_smacks: Adjust filter priorities to avoid conflict with mod_websocket
Kim Alvefur <zash@zash.se>
parents: 2091
diff changeset
278 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
279
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
280 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
281 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
282
1529
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
283 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
284 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
285 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
286 return session;
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
287 end
16893646a458 mod_smacks: Move wrap_session() contents into separate direction-specific routines
Kim Alvefur <zash@zash.se>
parents: 1528
diff changeset
288
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
289 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
290 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
291 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
292 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
293 (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
294 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
295 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
296
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
297 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
298 session.smacks = xmlns_sm;
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
299
1520
2881d532f385 mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents: 1518
diff changeset
300 wrap_session(session, false);
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
301
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
302 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
303 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
304 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
305 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
306 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
307 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
308 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
309 (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
310 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
311 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
312 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
313 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
314
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 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
316 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
317 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
318 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
319 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
320 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
321 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
322 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
323 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
324 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
325 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
326 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
327 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
328 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
329 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
330 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
331 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
332
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
333 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
334 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
335 session.smacks = xmlns_sm;
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
336
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
337 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
338
44b69c3d5351 mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents: 478
diff changeset
339 -- FIXME Resume?
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
340
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
341 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
342 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
343 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
344 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
345
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
346 function handle_r(origin, stanza, xmlns_sm)
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
347 if not origin.smacks then
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
348 module:log("debug", "Received ack request from non-smack-enabled 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
349 return;
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
350 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
351 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 :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
352 -- 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
353 (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
354 -- 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
355 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
356 if #origin.outgoing_stanza_queue > 0 and expected_h ~= origin.last_requested_h then
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
357 request_ack_if_needed(origin, true, "piggybacked by handle_r", nil);
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
358 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
359 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
360 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
361 module:hook_stanza(xmlns_sm2, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm2); end);
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
362 module:hook_stanza(xmlns_sm3, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm3); 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
363
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
364 function handle_a(origin, stanza)
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
365 if not origin.smacks then return; end
200
64a573203c20 mod_smacks: Better logic for deciding what is a stanza and what is not, and deciding when to send ack requests
Matthew Wild <mwild1@gmail.com>
parents: 160
diff changeset
366 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
367 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
368 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
369 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
370 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
371 origin.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
372 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
373 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
374 -- 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
375 -- 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
376 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
377 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
378 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
379 return;
1407
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
380 end
b631c8a8b9e7 mod_smacks: Assert that the 'h' attribute is present and a number
Kim Alvefur <zash@zash.se>
parents: 1406
diff changeset
381 local handled_stanza_count = h-origin.last_acknowledged_stanza;
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
382 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
383 if handled_stanza_count > #queue then
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
384 origin.log("warn", "The client says it handled %d new stanzas, but we only sent %d :)",
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
385 handled_stanza_count, #queue);
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
386 origin.log("debug", "Client h: %d, our h: %d", tonumber(stanza.attr.h), origin.last_acknowledged_stanza);
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
387 for i=1,#queue do
1416
7ddb522d9b28 mod_smacks: Fix logging (Thanks Ge0rG)
Kim Alvefur <zash@zash.se>
parents: 1408
diff changeset
388 origin.log("debug", "Q item %d: %s", i, tostring(queue[i]));
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
389 end
4760
367a8020bd92 mod_smacks: Don't forgive client counting errors
tmolitor <thilo@eightysoft.de>
parents: 4681
diff changeset
390 origin:close{ condition = "undefined-condition"; text = "Client acknowledged more stanzas than sent by server"; };
367a8020bd92 mod_smacks: Don't forgive client counting errors
tmolitor <thilo@eightysoft.de>
parents: 4681
diff changeset
391 return;
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
392 end
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
393
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
394 for i=1,math_min(handled_stanza_count,#queue) do
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
395 local handled_stanza = t_remove(origin.outgoing_stanza_queue, 1);
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
396 module:fire_event("delivery/success", { session = origin, stanza = handled_stanza });
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
397 end
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
398
1406
7d76dd2310ef mod_smacks: Add more debug logging
Kim Alvefur <zash@zash.se>
parents: 1405
diff changeset
399 origin.log("debug", "#queue = %d", #queue);
220
263858d40ceb mod_smacks: Fix the logic for handling outgoing stanzas and ack requests
Matthew Wild <mwild1@gmail.com>
parents: 202
diff changeset
400 origin.last_acknowledged_stanza = origin.last_acknowledged_stanza + handled_stanza_count;
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
401 request_ack_if_needed(origin, false, "handle_a", nil)
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
402 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
403 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
404 module:hook_stanza(xmlns_sm2, "a", handle_a);
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
405 module:hook_stanza(xmlns_sm3, "a", handle_a);
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
406
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
407 --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 :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
408 -- 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
409 -- 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
410 -- 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
411
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
412 local function handle_unacked_stanzas(session)
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
413 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 :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
414 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 :)
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
415 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
416 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
417 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
418 if not module:fire_event("delivery/failure", { session = session, stanza = queue[i] }) then
4009
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
419 if queue[i].attr.type ~= "error" then
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
420 local reply = st.reply(queue[i]);
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
421 if reply.attr.to ~= session.full_jid then
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
422 reply.attr.type = "error";
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
423 reply:tag("error", error_attr)
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
424 :tag("recipient-unavailable", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"});
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
425 core_process_stanza(session, reply);
362997ededb1 mod_smacks: don't send error replys for error stanzas on session timeout
tmolitor <thilo@eightysoft.de>
parents: 3986
diff changeset
426 end
3450
9b6206f23151 mod_smacks: Fire event on delivery failure/success for each stanza
Matthew Wild <mwild1@gmail.com>
parents: 3218
diff changeset
427 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
428 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
429 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
430 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
431 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
432
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
433 -- don't send delivery errors for messages which will be delivered by mam later on
3986
9ec23a457f9a mod_smacks: remove now unused code
tmolitor <thilo@eightysoft.de>
parents: 3985
diff changeset
434 -- check if stanza was archived --> this will allow us to send back errors for stanzas not archived
9ec23a457f9a mod_smacks: remove now unused code
tmolitor <thilo@eightysoft.de>
parents: 3985
diff changeset
435 -- because the user configured the server to do so ("no-archive"-setting for one special contact for example)
3984
4e5fde519116 mod_smacks: better logging for georg
tmolitor <thilo@eightysoft.de>
parents: 3983
diff changeset
436 local function get_stanza_id(stanza, by_jid)
3983
effe2d93a59c mod_smacks: Fix mam handling
tmolitor <thilo@eightysoft.de>
parents: 3968
diff changeset
437 for tag in stanza:childtags("stanza-id", "urn:xmpp:sid:0") do
3984
4e5fde519116 mod_smacks: better logging for georg
tmolitor <thilo@eightysoft.de>
parents: 3983
diff changeset
438 if tag.attr.by == by_jid then
4e5fde519116 mod_smacks: better logging for georg
tmolitor <thilo@eightysoft.de>
parents: 3983
diff changeset
439 return tag.attr.id;
3983
effe2d93a59c mod_smacks: Fix mam handling
tmolitor <thilo@eightysoft.de>
parents: 3968
diff changeset
440 end
effe2d93a59c mod_smacks: Fix mam handling
tmolitor <thilo@eightysoft.de>
parents: 3968
diff changeset
441 end
3985
c3e9caa29857 mod_smacks: fix typo in last commit
tmolitor <thilo@eightysoft.de>
parents: 3984
diff changeset
442 return nil;
3983
effe2d93a59c mod_smacks: Fix mam handling
tmolitor <thilo@eightysoft.de>
parents: 3968
diff changeset
443 end
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
444 module:hook("delivery/failure", function(event)
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
445 local session, stanza = event.session, event.stanza;
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
446 -- Only deal with authenticated (c2s) sessions
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
447 if session.username then
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
448 if stanza.name == "message" and stanza.attr.xmlns == nil and
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
449 ( stanza.attr.type == "chat" or ( stanza.attr.type or "normal" ) == "normal" ) then
4189
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
450 -- don't store messages in offline store if they are mam results
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
451 local mam_result = stanza:get_child("result", xmlns_mam2);
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
452 if mam_result ~= nil then
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
453 return true; -- stanza already "handled", don't send an error and don't add it to offline storage
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
454 end
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
455 -- do nothing here for normal messages and don't send out "message delivery errors",
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
456 -- because messages are already in MAM at this point (no need to frighten users)
3984
4e5fde519116 mod_smacks: better logging for georg
tmolitor <thilo@eightysoft.de>
parents: 3983
diff changeset
457 local stanza_id = get_stanza_id(stanza, jid.bare(session.full_jid));
4e5fde519116 mod_smacks: better logging for georg
tmolitor <thilo@eightysoft.de>
parents: 3983
diff changeset
458 if session.mam_requested and stanza_id ~= nil then
4189
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
459 session.log("debug", "mod_smacks delivery/failure returning true for mam-handled stanza: mam-archive-id=%s", tostring(stanza_id));
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
460 return true; -- stanza handled, don't send an error
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
461 end
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
462 -- store message in offline store, if this client does not use mam *and* was the last client online
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
463 local sessions = prosody.hosts[module.host].sessions[session.username] and
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
464 prosody.hosts[module.host].sessions[session.username].sessions or nil;
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
465 if sessions and next(sessions) == session.resource and next(sessions, session.resource) == nil then
4681
edbd84bbd8fb mod_smacks: Include username in offline event, mirroring Prosody 0.10+
Kim Alvefur <zash@zash.se>
parents: 4637
diff changeset
466 local ok = module:fire_event("message/offline/handle", { origin = session, username = session.username, stanza = stanza });
3983
effe2d93a59c mod_smacks: Fix mam handling
tmolitor <thilo@eightysoft.de>
parents: 3968
diff changeset
467 session.log("debug", "mod_smacks delivery/failuere returning %s for offline-handled stanza", tostring(ok));
4189
22e7b3d6fcae mod_smacks: don't store mam results in offline store
tmolitor <thilo@eightysoft.de>
parents: 4009
diff changeset
468 return ok; -- if stanza was handled, don't send an error
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
469 end
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
470 end
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
471 end
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
472 end);
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
473
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
474 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
475 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
476 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
477 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
478 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
479 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
480 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
481 handle_unacked_stanzas(session);
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
482 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
483 else
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
484 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
485 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
486 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
487 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
488 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
489 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
490 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
491 -- 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
492 -- 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
493 -- (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
494 -- 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
495 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
496 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
497 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
498 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
499 -- 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
500 -- 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
501 and session.hibernating == hibernate_time then
3107
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
502 -- 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
503 -- session.first_hibernated_push is the starting point for hibernation timeouts of those push enabled clients
4632
ab7dc5c5c782 mod_smacks: Fix typo in comment (thanks codespell)
Kim Alvefur <zash@zash.se>
parents: 4631
diff changeset
504 -- wait for an additional resume_timeout seconds if no push occurred since hibernation at all
3107
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
505 local current_time = os_time();
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
506 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
507 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
508 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
509 return resume_timeout;
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
510 end
4539
4e7aa32f58d9 mod_smacks: Fix calculation of smacks timeout values
tmolitor <thilo@eightysoft.de>
parents: 4537
diff changeset
511 if session.push_identifier ~= nil and current_time-timeout_start < resume_timeout then
4e7aa32f58d9 mod_smacks: Fix calculation of smacks timeout values
tmolitor <thilo@eightysoft.de>
parents: 4537
diff changeset
512 session.log("debug", "A push happened since hibernation started, hibernating session for up to %d extra seconds", resume_timeout-(current_time-timeout_start));
4e7aa32f58d9 mod_smacks: Fix calculation of smacks timeout values
tmolitor <thilo@eightysoft.de>
parents: 4537
diff changeset
513 return resume_timeout-(current_time-timeout_start); -- time left to wait
3107
f703cc6e72df mod_smacks: defer timeouts for push enabled clients
tmolitor <thilo@eightysoft.de>
parents: 3104
diff changeset
514 end
586
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
515 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
516 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
517 -- 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
518 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
519 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
520 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
521 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
522 });
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
523 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
524 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
525 else
f733e7599ed6 mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents: 576
diff changeset
526 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
527 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
528 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
529 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
530 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
531 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
532 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
533
1732
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
534 local function handle_s2s_destroyed(event)
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
535 local session = event.session;
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
536 local queue = session.outgoing_stanza_queue;
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
537 if queue and #queue > 0 then
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
538 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
539 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
540 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
541 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
542 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
543 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
544 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
545 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
546 end
1732
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
547 end
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
548 end
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
549
2f9ee9ed6267 mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents: 1706
diff changeset
550 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
551 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
552
3218
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
553 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
554 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
555 end
67f1d1f22625 mod_smacks: Improve logging on resume so session changes are more easily tracked
Matthew Wild <mwild1@gmail.com>
parents: 3150
diff changeset
556
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
557 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
558 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
559 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
560 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
561 :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
562 );
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
563 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
564 end
720b8268778e mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents: 908
diff changeset
565
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
566 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
567 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
568 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
569 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
570 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
571 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
572 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
573 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
574 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
575 :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
576 );
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
577 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
578 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
579 :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
580 );
ffb6646b4253 Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents: 2494
diff changeset
581 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
582 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
583 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
584 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
585 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
586 -- 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
587 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
588 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
589 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
590 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
591 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
592 end
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
593 local migrated_session_log = session.log;
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
594 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
595 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
596 original_session.send = session.send;
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
597 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
598 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
599 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
600 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
601 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
602 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
603 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
604 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
605 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
606 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
607 -- 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
608 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
609 -- 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
610 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
611
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
612 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
613 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
614
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
615 -- 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
616 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
617 h = stanza.attr.h }));
1343
7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1325
diff changeset
618
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
619 -- 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
620 -- ...they are what is now left in the outgoing stanza queue
3841
b5d367798570 Fix bug readding stanzas to outgoing_queue on resume
tmolitor <thilo@eightysoft.de>
parents: 3646
diff changeset
621 -- We have to use the send of "session" because we don't want to add our resent stanzas
b5d367798570 Fix bug readding stanzas to outgoing_queue on resume
tmolitor <thilo@eightysoft.de>
parents: 3646
diff changeset
622 -- to the outgoing queue again
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
623 local queue = original_session.outgoing_stanza_queue;
3841
b5d367798570 Fix bug readding stanzas to outgoing_queue on resume
tmolitor <thilo@eightysoft.de>
parents: 3646
diff changeset
624 session.log("debug", "resending all unacked stanzas that are still queued after resume, #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
625 for i=1,#queue do
3841
b5d367798570 Fix bug readding stanzas to outgoing_queue on resume
tmolitor <thilo@eightysoft.de>
parents: 3646
diff changeset
626 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
627 end
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
628 session.log("debug", "all stanzas resent, now disabling send() in this migrated session, #queue = %d", #queue);
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
629 function session.send(stanza)
3935
c49fea05772e mod_smacks: handle mam-enabled session internally
tmolitor <thilo@eightysoft.de>
parents: 3841
diff changeset
630 migrated_session_log("error", "Tried to send stanza on old session migrated by smacks resume (maybe there is a bug?): %s", tostring(stanza));
2623
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
631 return false;
a65260300708 mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents: 2608
diff changeset
632 end
2744
f70c02c14161 mod_smacks: Trigger event smacks-hibernation-end after queue resend
tmolitor <thilo@eightysoft.de>
parents: 2727
diff changeset
633 module:fire_event("smacks-hibernation-end", {origin = session, resumed = original_session, queue = queue});
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
634 request_ack_if_needed(original_session, true, "handle_resume", 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
635 else
755
bab7c4ace803 mod_smacks: Fix log statement
Kim Alvefur <zash@zash.se>
parents: 754
diff changeset
636 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
637 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
638 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
639 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
640 :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
641 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
642 return true;
1298
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
643 end
659da45a2b4b mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1293
diff changeset
644 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
645 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
646
4445
e13eb0f851c8 mod_smacks: Explicitly request ack when leaving CSI-inactive mode
Kim Alvefur <zash@zash.se>
parents: 4444
diff changeset
647 module:hook("csi-client-active", function (event)
4458
5234d0c8883d mod_smacks: Only act on CSI state changes if smacks is enabled
Kim Alvefur <zash@zash.se>
parents: 4446
diff changeset
648 if event.origin.smacks then
5234d0c8883d mod_smacks: Only act on CSI state changes if smacks is enabled
Kim Alvefur <zash@zash.se>
parents: 4446
diff changeset
649 request_ack_if_needed(event.origin, true, "csi-active", nil);
5234d0c8883d mod_smacks: Only act on CSI state changes if smacks is enabled
Kim Alvefur <zash@zash.se>
parents: 4446
diff changeset
650 end
4445
e13eb0f851c8 mod_smacks: Explicitly request ack when leaving CSI-inactive mode
Kim Alvefur <zash@zash.se>
parents: 4444
diff changeset
651 end);
e13eb0f851c8 mod_smacks: Explicitly request ack when leaving CSI-inactive mode
Kim Alvefur <zash@zash.se>
parents: 4444
diff changeset
652
4771
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
653 module:hook("csi-flushing", function(event)
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
654 local session = event.session;
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
655 if session.smacks then
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
656 if not session.awaiting_ack and not session.hibernating and not session.destroyed then
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
657 session.log("debug", "Sending <r> (csi-flushing)");
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
658 session.awaiting_ack = true; -- The send() call may invoke this event again, so set this first
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
659 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks }))
e227af629736 mod_smacks: Send <r> immediately from csi-flushing event
Kim Alvefur <zash@zash.se>
parents: 4760
diff changeset
660 end
4458
5234d0c8883d mod_smacks: Only act on CSI state changes if smacks is enabled
Kim Alvefur <zash@zash.se>
parents: 4446
diff changeset
661 end
4446
3d593b612e07 mod_smacks: Request ack on signal of ongoing CSI flush
Kim Alvefur <zash@zash.se>
parents: 4445
diff changeset
662 end);
3d593b612e07 mod_smacks: Request ack on signal of ongoing CSI flush
Kim Alvefur <zash@zash.se>
parents: 4445
diff changeset
663
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
664 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
665 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
666 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
667 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
668 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
669 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
670 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
671 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
672 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
673 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
674 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
675 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
676 end
2091
ea95637cf041 mod_smacks: Log when sending <r> from read timeout event (0.10+)
Kim Alvefur <zash@zash.se>
parents: 2090
diff changeset
677 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
678 (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
679 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
680 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
681 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function()
4413
0b9501f82e63 mod_smacks: allow O(1) processing of delayed ack events
tmolitor <thilo@eightysoft.de>
parents: 4189
diff changeset
682 delayed_ack_function(session, nil);
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
683 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
684 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
685 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
686 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
687 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
688
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
689 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
690 module:hook("c2s-read-timeout", handle_read_timeout);