Software / code / prosody-modules
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mod_smacks/mod_smacks.lua @ 2277:bad5dd466427
mod_spam_reporting: Fire an event to ease processing from other modules
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Sat, 20 Aug 2016 17:15:50 +0200 |
| parent | 2251:48c3d64a3fc1 |
| child | 2394:4c27ebcf4cbd |
| rev | line source |
|---|---|
| 1670 | 1 -- XEP-0198: Stream Management for Prosody IM |
| 2 -- | |
| 3 -- Copyright (C) 2010-2015 Matthew Wild | |
| 4 -- Copyright (C) 2010 Waqas Hussain | |
| 5 -- Copyright (C) 2012-2015 Kim Alvefur | |
| 6 -- Copyright (C) 2012 Thijs Alkemade | |
| 7 -- Copyright (C) 2014 Florian Zeitz | |
| 8 -- | |
| 9 -- This project is MIT/X11 licensed. Please see the | |
| 10 -- COPYING file in the source package for more information. | |
| 11 -- | |
| 12 | |
|
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13 local st = require "util.stanza"; |
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14 local uuid_generate = require "util.uuid".generate; |
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15 |
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mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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16 local t_insert, t_remove = table.insert, table.remove; |
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17 local math_min = math.min; |
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18 local os_time = os.time; |
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19 local tonumber, tostring = tonumber, tostring; |
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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)
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20 local add_filter = require "util.filters".add_filter; |
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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.
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21 local timer = require "util.timer"; |
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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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22 local datetime = require "util.datetime"; |
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23 |
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24 local xmlns_sm2 = "urn:xmpp:sm:2"; |
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25 local xmlns_sm3 = "urn:xmpp:sm:3"; |
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26 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas"; |
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27 local xmlns_delay = "urn:xmpp:delay"; |
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28 |
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29 local sm2_attr = { xmlns = xmlns_sm2 }; |
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30 local sm3_attr = { xmlns = xmlns_sm3 }; |
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31 |
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mod_smacks: get_option+_number
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32 local resume_timeout = module:get_option_number("smacks_hibernation_time", 300); |
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mod_smacks: Fix smacks on s2s connections, but disable it by default.
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33 local s2s_smacks = module:get_option_boolean("smacks_enabled_s2s", false); |
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mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
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34 local s2s_resend = module:get_option_boolean("smacks_s2s_resend", false); |
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mod_smacks: Make smacks_max_unacked_stanzas configurable
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35 local max_unacked_stanzas = module:get_option_number("smacks_max_unacked_stanzas", 0); |
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mod_smacks: Import prosody.core_process_stanza()
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36 local core_process_stanza = prosody.core_process_stanza; |
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mod_smacks: Use require to import (thanks a lot, autocomplete)
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37 local sessionmanager = require"core.sessionmanager"; |
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38 |
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mod_smacks: Remove dependency on connlisteners (use sessions table shared by mod_c2s directly)
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39 local c2s_sessions = module:shared("/*/c2s/sessions"); |
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40 local session_registry = {}; |
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41 |
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591
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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)
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42 local function can_do_smacks(session, advertise_only) |
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43 if session.smacks then return false, "unexpected-request", "Stream management is already enabled"; end |
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44 |
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45 local session_type = session.type; |
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Fix a typo in mod_smacks (type -> session_type).
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46 if session_type == "c2s" then |
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47 if not(advertise_only) and not(session.resource) then -- Fail unless we're only advertising sm |
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Update smacks to urn:xmpp:sm:3. Fix typo in can_do_smacks.
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48 return false, "unexpected-request", "Client must bind a resource before enabling stream management"; |
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parents:
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49 end |
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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)
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50 return true; |
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51 elseif s2s_smacks and (session_type == "s2sin" or session_type == "s2sout") then |
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52 return true; |
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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)
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parents:
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53 end |
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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)
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54 return false, "service-unavailable", "Stream management is not available for this stream"; |
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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:
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55 end |
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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:
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diff
changeset
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56 |
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mod_smacks: Fixed to use the correct events API.
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57 module:hook("stream-features", |
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58 function (event) |
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parents:
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59 if can_do_smacks(event.origin, true) then |
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60 event.features:tag("sm", sm2_attr):tag("optional"):up():up(); |
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61 event.features:tag("sm", sm3_attr):tag("optional"):up():up(); |
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62 end |
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63 end); |
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64 |
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parents:
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65 module:hook("s2s-stream-features", |
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66 function (event) |
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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
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67 if can_do_smacks(event.origin, true) then |
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68 event.features:tag("sm", sm2_attr):tag("optional"):up():up(); |
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69 event.features:tag("sm", sm3_attr):tag("optional"):up():up(); |
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44b69c3d5351
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parents:
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70 end |
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71 end); |
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parents:
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72 |
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73 local function outgoing_stanza_filter(stanza, session) |
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74 local is_stanza = stanza.attr and not stanza.attr.xmlns and not stanza.name:find":"; |
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75 if is_stanza and not stanza._cached then -- Stanza in default stream namespace |
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76 local queue = session.outgoing_stanza_queue; |
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77 local cached_stanza = st.clone(stanza); |
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78 cached_stanza._cached = true; |
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79 |
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80 if cached_stanza and cached_stanza.name ~= "iq" and cached_stanza:get_child("delay", xmlns_delay) == nil then |
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81 cached_stanza = cached_stanza:tag("delay", { xmlns = xmlns_delay, from = session.host, stamp = datetime.datetime()}); |
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82 end |
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83 |
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84 queue[#queue+1] = cached_stanza; |
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85 session.log("debug", "#queue = %d", #queue); |
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86 if session.hibernating then |
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87 session.log("debug", "hibernating, stanza queued"); |
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88 return nil; |
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89 end |
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mod_smacks: Fix sending <r> after stanzas while not creating multiple timers (thanks Thilo)
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90 if #queue > max_unacked_stanzas and session.awaiting_ack == nil then |
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mod_smacks: Go back to sending ack requests from a timer a moment after a stanza was sent
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91 session.log("debug", "Queuing <r> (in a moment)"); |
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92 session.awaiting_ack = false; |
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mod_smacks: Keep timer object around and stop it when needed (trunk only)
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parents:
2089
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93 session.awaiting_ack_timer = module:add_timer(1e-06, function () |
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94 if not session.awaiting_ack then |
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95 session.log("debug", "Sending <r> (after send)"); |
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96 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks })) |
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97 session.awaiting_ack = true; |
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mod_smacks: Go back to sending ack requests from a timer a moment after a stanza was sent
Kim Alvefur <zash@zash.se>
parents:
2087
diff
changeset
|
98 end |
|
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Kim Alvefur <zash@zash.se>
parents:
2087
diff
changeset
|
99 end); |
|
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Kim Alvefur <zash@zash.se>
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|
100 end |
|
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|
101 end |
|
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|
102 return stanza; |
|
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diff
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|
103 end |
|
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|
104 |
|
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|
105 local function count_incoming_stanzas(stanza, session) |
|
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diff
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|
106 if not stanza.attr.xmlns then |
|
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|
107 session.handled_stanza_count = session.handled_stanza_count + 1; |
|
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|
108 session.log("debug", "Handled %d incoming stanzas", session.handled_stanza_count); |
|
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|
109 end |
|
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changeset
|
110 return stanza; |
|
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|
111 end |
|
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112 |
|
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|
113 local function wrap_session_out(session, resume) |
|
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diff
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|
114 if not resume then |
|
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diff
changeset
|
115 session.outgoing_stanza_queue = {}; |
|
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|
116 session.last_acknowledged_stanza = 0; |
|
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|
117 end |
|
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|
118 |
|
2122
3f788f18cc10
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changeset
|
119 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
|
120 |
|
c15cea87036f
mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents:
987
diff
changeset
|
121 local session_close = session.close; |
|
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Kim Alvefur <zash@zash.se>
parents:
987
diff
changeset
|
122 function session.close(...) |
|
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Kim Alvefur <zash@zash.se>
parents:
987
diff
changeset
|
123 if session.resumption_token then |
|
c15cea87036f
mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
parents:
987
diff
changeset
|
124 session_registry[session.resumption_token] = nil; |
|
c15cea87036f
mod_smacks: Wrap session:close() and make the session not resumable
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parents:
987
diff
changeset
|
125 session.resumption_token = nil; |
|
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Kim Alvefur <zash@zash.se>
parents:
987
diff
changeset
|
126 end |
|
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mod_smacks: Wrap session:close() and make the session not resumable
Kim Alvefur <zash@zash.se>
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diff
changeset
|
127 return session_close(...); |
|
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diff
changeset
|
128 end |
|
1529
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diff
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|
129 return session; |
|
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parents:
1528
diff
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|
130 end |
|
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diff
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|
131 |
|
1529
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diff
changeset
|
132 local function wrap_session_in(session, resume) |
|
345
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diff
changeset
|
133 if not resume then |
|
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diff
changeset
|
134 session.handled_stanza_count = 0; |
|
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parents:
263
diff
changeset
|
135 end |
|
2122
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Kim Alvefur <zash@zash.se>
parents:
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diff
changeset
|
136 add_filter(session, "stanzas/in", count_incoming_stanzas, 999); |
|
345
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
137 |
|
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diff
changeset
|
138 return session; |
|
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263
diff
changeset
|
139 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
|
140 |
|
1529
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diff
changeset
|
141 local function wrap_session(session, resume) |
|
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1528
diff
changeset
|
142 wrap_session_out(session, resume); |
|
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Kim Alvefur <zash@zash.se>
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diff
changeset
|
143 wrap_session_in(session, resume); |
|
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|
144 return session; |
|
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parents:
1528
diff
changeset
|
145 end |
|
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1528
diff
changeset
|
146 |
|
1298
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Florian Zeitz <florob@babelmonkeys.de>
parents:
1293
diff
changeset
|
147 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
|
148 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
|
149 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
|
150 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
|
151 (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
|
152 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
|
153 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
|
154 |
|
345
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263
diff
changeset
|
155 module:log("debug", "Enabling stream management"); |
|
1520
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Kim Alvefur <zash@zash.se>
parents:
1518
diff
changeset
|
156 session.smacks = xmlns_sm; |
|
1343
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Florian Zeitz <florob@babelmonkeys.de>
parents:
1325
diff
changeset
|
157 |
|
1520
2881d532f385
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Kim Alvefur <zash@zash.se>
parents:
1518
diff
changeset
|
158 wrap_session(session, false); |
|
1343
7dbde05b48a9
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Florian Zeitz <florob@babelmonkeys.de>
parents:
1325
diff
changeset
|
159 |
|
345
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
160 local resume_token; |
|
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
161 local resume = stanza.attr.resume; |
|
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
162 if resume == "true" or resume == "1" then |
|
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
163 resume_token = uuid_generate(); |
|
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
164 session_registry[resume_token] = session; |
|
445178d15b51
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parents:
263
diff
changeset
|
165 session.resumption_token = resume_token; |
|
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
166 end |
|
576
44b69c3d5351
mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents:
478
diff
changeset
|
167 (session.sends2s or session.send)(st.stanza("enabled", { xmlns = xmlns_sm, id = resume_token, resume = resume })); |
|
44b69c3d5351
mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents:
478
diff
changeset
|
168 return true; |
|
1298
659da45a2b4b
mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1293
diff
changeset
|
169 end |
|
659da45a2b4b
mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1293
diff
changeset
|
170 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
|
171 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
|
172 |
|
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
|
173 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
|
174 function (session, stanza) |
|
2089
964b3d649a36
mod_smacks: Increase delay for starting s2s smacks to a non-zero value
Kim Alvefur <zash@zash.se>
parents:
2088
diff
changeset
|
175 module:add_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
|
176 if can_do_smacks(session) then |
|
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mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
177 if stanza:get_child("sm", xmlns_sm3) then |
|
7d86fc477993
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
178 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
|
179 session.smacks = xmlns_sm3; |
|
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
180 elseif stanza:get_child("sm", xmlns_sm2) then |
|
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
181 session.sends2s(st.stanza("enable", sm2_attr)); |
|
7d86fc477993
mod_smacks: Delay initiation of outgoing smacks on s2s until after queued stanzas are sent
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parents:
1530
diff
changeset
|
182 session.smacks = xmlns_sm2; |
|
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
183 else |
|
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Kim Alvefur <zash@zash.se>
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1530
diff
changeset
|
184 return; |
|
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
185 end |
|
7d86fc477993
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
186 wrap_session_out(session, false); |
|
1530
fb7cd669f41b
mod_smacks: Initiate outgoing smacks on s2s when sending request and incoming when the remote says enabled
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parents:
1529
diff
changeset
|
187 end |
|
1531
7d86fc477993
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Kim Alvefur <zash@zash.se>
parents:
1530
diff
changeset
|
188 end); |
|
1530
fb7cd669f41b
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Kim Alvefur <zash@zash.se>
parents:
1529
diff
changeset
|
189 end); |
|
fb7cd669f41b
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Kim Alvefur <zash@zash.se>
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1529
diff
changeset
|
190 |
|
1298
659da45a2b4b
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Florian Zeitz <florob@babelmonkeys.de>
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1293
diff
changeset
|
191 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
|
192 module:log("debug", "Enabling stream management"); |
|
1520
2881d532f385
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Kim Alvefur <zash@zash.se>
parents:
1518
diff
changeset
|
193 session.smacks = xmlns_sm; |
|
1343
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Florian Zeitz <florob@babelmonkeys.de>
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1325
diff
changeset
|
194 |
|
1530
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Kim Alvefur <zash@zash.se>
parents:
1529
diff
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|
195 wrap_session_in(session, false); |
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196 |
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197 -- FIXME Resume? |
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198 |
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199 return true; |
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200 end |
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201 module:hook_stanza(xmlns_sm2, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm2); end, 100); |
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202 module:hook_stanza(xmlns_sm3, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm3); end, 100); |
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203 |
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204 function handle_r(origin, stanza, xmlns_sm) |
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205 if not origin.smacks then |
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206 module:log("debug", "Received ack request from non-smack-enabled session"); |
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207 return; |
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208 end |
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209 module:log("debug", "Received ack request, acking for %d", origin.handled_stanza_count); |
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210 -- Reply with <a> |
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255
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211 (origin.sends2s or origin.send)(st.stanza("a", { xmlns = xmlns_sm, h = tostring(origin.handled_stanza_count) })); |
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212 return true; |
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213 end |
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214 module:hook_stanza(xmlns_sm2, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm2); end); |
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215 module:hook_stanza(xmlns_sm3, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm3); end); |
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216 |
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217 function handle_a(origin, stanza) |
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218 if not origin.smacks then return; end |
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200
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219 origin.awaiting_ack = nil; |
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220 if origin.awaiting_ack_timer then |
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221 origin.awaiting_ack_timer:stop(); |
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222 end |
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223 -- Remove handled stanzas from outgoing_stanza_queue |
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258
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224 --log("debug", "ACK: h=%s, last=%s", stanza.attr.h or "", origin.last_acknowledged_stanza or ""); |
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225 local h = tonumber(stanza.attr.h); |
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226 if not h then |
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227 origin:close{ condition = "invalid-xml"; text = "Missing or invalid 'h' attribute"; }; |
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228 end |
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229 local handled_stanza_count = h-origin.last_acknowledged_stanza; |
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220
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230 local queue = origin.outgoing_stanza_queue; |
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231 if handled_stanza_count > #queue then |
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232 origin.log("warn", "The client says it handled %d new stanzas, but we only sent %d :)", |
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233 handled_stanza_count, #queue); |
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234 origin.log("debug", "Client h: %d, our h: %d", tonumber(stanza.attr.h), origin.last_acknowledged_stanza); |
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220
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235 for i=1,#queue do |
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236 origin.log("debug", "Q item %d: %s", i, tostring(queue[i])); |
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220
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237 end |
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238 end |
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239 for i=1,math_min(handled_stanza_count,#queue) do |
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240 t_remove(origin.outgoing_stanza_queue, 1); |
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241 end |
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242 origin.log("debug", "#queue = %d", #queue); |
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243 origin.last_acknowledged_stanza = origin.last_acknowledged_stanza + handled_stanza_count; |
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244 return true; |
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245 end |
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246 module:hook_stanza(xmlns_sm2, "a", handle_a); |
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247 module:hook_stanza(xmlns_sm3, "a", handle_a); |
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248 |
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249 --TODO: Optimise... incoming stanzas should be handled by a per-session |
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250 -- function that has a counter as an upvalue (no table indexing for increments, |
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251 -- and won't slow non-198 sessions). We can also then remove the .handled flag |
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252 -- on stanzas |
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253 |
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254 function handle_unacked_stanzas(session) |
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255 local queue = session.outgoing_stanza_queue; |
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256 local error_attr = { type = "cancel" }; |
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257 if #queue > 0 then |
|
202
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258 session.outgoing_stanza_queue = {}; |
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259 for i=1,#queue do |
|
256
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260 local reply = st.reply(queue[i]); |
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261 if reply.attr.to ~= session.full_jid then |
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262 reply.attr.type = "error"; |
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263 reply:tag("error", error_attr) |
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264 :tag("recipient-unavailable", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}); |
|
256
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265 core_process_stanza(session, reply); |
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266 end |
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267 end |
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268 end |
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269 end |
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270 |
|
622
ce39df945de1
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271 module:hook("pre-resource-unbind", function (event) |
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272 local session, err = event.session, event.error; |
|
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d7655e634c30
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273 if session.smacks then |
|
257
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274 if not session.resumption_token then |
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275 local queue = session.outgoing_stanza_queue; |
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276 if #queue > 0 then |
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277 session.log("warn", "Destroying session with %d unacked stanzas", #queue); |
|
257
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278 handle_unacked_stanzas(session); |
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279 end |
|
257
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280 else |
|
586
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281 session.log("debug", "mod_smacks hibernating session for up to %d seconds", resume_timeout); |
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282 local hibernate_time = os_time(); -- Track the time we went into hibernation |
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283 session.hibernating = hibernate_time; |
|
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284 local resumption_token = session.resumption_token; |
|
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285 module:fire_event("smacks-hibernation-start", {origin = session, queue = session.outgoing_stanza_queue}); |
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257
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286 timer.add_task(resume_timeout, function () |
|
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287 session.log("debug", "mod_smacks hibernation timeout reached..."); |
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288 -- We need to check the current resumption token for this resource |
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289 -- matches the smacks session this timer is for in case it changed |
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290 -- (for example, the client may have bound a new resource and |
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291 -- started a new smacks session, or not be using smacks) |
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292 local curr_session = full_sessions[session.full_jid]; |
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293 if session.destroyed then |
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294 session.log("debug", "The session has already been destroyed"); |
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295 elseif curr_session and curr_session.resumption_token == resumption_token |
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296 -- Check the hibernate time still matches what we think it is, |
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297 -- otherwise the session resumed and re-hibernated. |
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298 and session.hibernating == hibernate_time then |
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299 session.log("debug", "Destroying session for hibernating too long"); |
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300 session_registry[session.resumption_token] = nil; |
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301 session.resumption_token = nil; |
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302 sessionmanager.destroy_session(session); |
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303 else |
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304 session.log("debug", "Session resumed before hibernation timeout, all is well") |
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305 end |
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306 end); |
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307 return true; -- Postpone destruction for now |
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308 end |
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309 |
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310 end |
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311 end); |
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312 |
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313 local function handle_s2s_destroyed(event) |
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314 local session = event.session; |
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315 local queue = session.outgoing_stanza_queue; |
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316 if queue and #queue > 0 then |
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317 session.log("warn", "Destroying session with %d unacked stanzas", #queue); |
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318 if s2s_resend then |
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319 for i = 1, #queue do |
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320 module:send(queue[i]); |
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321 end |
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322 session.outgoing_stanza_queue = nil; |
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323 else |
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324 handle_unacked_stanzas(session); |
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325 end |
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326 end |
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327 end |
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328 |
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329 module:hook("s2sout-destroyed", handle_s2s_destroyed); |
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330 module:hook("s2sin-destroyed", handle_s2s_destroyed); |
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331 |
|
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332 function handle_resume(session, stanza, xmlns_sm) |
|
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333 if session.full_jid then |
|
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334 session.log("warn", "Tried to resume after resource binding"); |
|
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335 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
|
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336 :tag("unexpected-request", { xmlns = xmlns_errors }) |
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337 ); |
|
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338 return true; |
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339 end |
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340 |
|
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341 local id = stanza.attr.previd; |
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342 local original_session = session_registry[id]; |
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343 if not original_session then |
|
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diff
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|
344 session.log("debug", "Tried to resume non-existent session with id %s", id); |
|
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345 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
|
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346 :tag("item-not-found", { xmlns = xmlns_errors }) |
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347 ); |
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348 elseif session.username == original_session.username |
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349 and session.host == original_session.host then |
|
587
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diff
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350 session.log("debug", "mod_smacks resuming existing session..."); |
|
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351 -- TODO: All this should move to sessionmanager (e.g. session:replace(new_session)) |
|
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352 if original_session.conn then |
|
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353 session.log("debug", "mod_smacks closing an old connection for this session"); |
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354 local conn = original_session.conn; |
|
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355 c2s_sessions[conn] = nil; |
|
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356 conn:close(); |
|
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357 end |
|
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358 original_session.ip = session.ip; |
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359 original_session.conn = session.conn; |
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360 original_session.send = session.send; |
|
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361 original_session.filter = session.filter; |
|
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|
362 original_session.filter.session = original_session; |
|
1705
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|
363 original_session.filters = session.filters; |
|
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364 original_session.stream = session.stream; |
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365 original_session.secure = session.secure; |
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366 original_session.hibernating = nil; |
|
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367 wrap_session(original_session, true); |
|
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368 -- Inform xmppstream of the new session (passed to its callbacks) |
|
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369 original_session.stream:set_session(original_session); |
|
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370 -- Similar for connlisteners |
|
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371 c2s_sessions[session.conn] = original_session; |
|
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372 |
|
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373 session.send(st.stanza("resumed", { xmlns = xmlns_sm, |
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374 h = original_session.handled_stanza_count, previd = id })); |
|
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375 |
|
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376 -- Fake an <a> with the h of the <resume/> from the client |
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377 original_session:dispatch_stanza(st.stanza("a", { xmlns = xmlns_sm, |
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378 h = stanza.attr.h })); |
|
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379 |
|
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380 -- Ok, we need to re-send any stanzas that the client didn't see |
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381 -- ...they are what is now left in the outgoing stanza queue |
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382 local queue = original_session.outgoing_stanza_queue; |
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mod_smacks: added new events for hibernation start/end
tmolitor <thilo@eightysoft.de>
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383 module:fire_event("smacks-hibernation-end", {origin = session, queue = queue}); |
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mod_smacks: Add more debug logging
Kim Alvefur <zash@zash.se>
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384 session.log("debug", "#queue = %d", #queue); |
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385 for i=1,#queue do |
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386 session.send(queue[i]); |
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387 end |
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388 session.log("debug", "#queue = %d -- after send", #queue); |
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389 else |
| 755 | 390 module:log("warn", "Client %s@%s[%s] tried to resume stream for %s@%s[%s]", |
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391 session.username or "?", session.host or "?", session.type, |
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392 original_session.username or "?", original_session.host or "?", original_session.type); |
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mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
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393 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
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394 :tag("not-authorized", { xmlns = xmlns_errors })); |
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395 end |
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396 return true; |
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397 end |
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mod_smacks: Handle both version 2 and version 3 namespace
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398 module:hook_stanza(xmlns_sm2, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm2); end); |
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399 module:hook_stanza(xmlns_sm3, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm3); end); |
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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>
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400 |
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401 local function handle_read_timeout(event) |
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402 local session = event.session; |
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403 if session.smacks then |
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Kim Alvefur <zash@zash.se>
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404 if session.awaiting_ack then |
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2090
1796a022dd29
mod_smacks: Keep timer object around and stop it when needed (trunk only)
Kim Alvefur <zash@zash.se>
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2089
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405 if session.awaiting_ack_timer then |
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Kim Alvefur <zash@zash.se>
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406 session.awaiting_ack_timer:stop(); |
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407 end |
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1733
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408 return false; -- Kick the session |
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409 end |
|
2091
ea95637cf041
mod_smacks: Log when sending <r> from read timeout event (0.10+)
Kim Alvefur <zash@zash.se>
parents:
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410 session.log("debug", "Sending <r> (read timeout)"); |
|
2251
48c3d64a3fc1
mod_smacks: Signal that we're about to send an ack request from read timeout event to prevent a duplicate request from outgoing stanza filter
Kim Alvefur <zash@zash.se>
parents:
2148
diff
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411 session.awaiting_ack = false; |
|
1733
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Kim Alvefur <zash@zash.se>
parents:
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412 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks })); |
|
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Kim Alvefur <zash@zash.se>
parents:
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413 session.awaiting_ack = true; |
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Kim Alvefur <zash@zash.se>
parents:
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414 return true; |
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Kim Alvefur <zash@zash.se>
parents:
1732
diff
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415 end |
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Kim Alvefur <zash@zash.se>
parents:
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416 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
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417 |
|
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
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418 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
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|
419 module:hook("c2s-read-timeout", handle_read_timeout); |
