prosody
fe643b3a41f2
plugins/mod_smacks.lua

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plugins/mod_smacks.lua @ 12042:fe643b3a41f2

mod_smacks: Back out def20683c161 The attempted fix completely broke everything after resumption.
author Kim Alvefur <zash@zash.se>
date Mon, 13 Dec 2021 21:15:06 +0100
parent 12041:def20683c161
child 12043:48f8fa6cea7b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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Kim Alvefur <zash@zash.se>
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1 -- XEP-0198: Stream Management for Prosody IM
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2 --
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Kim Alvefur <zash@zash.se>
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3 -- Copyright (C) 2010-2015 Matthew Wild
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4 -- Copyright (C) 2010 Waqas Hussain
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5 -- Copyright (C) 2012-2021 Kim Alvefur
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6 -- Copyright (C) 2012 Thijs Alkemade
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7 -- Copyright (C) 2014 Florian Zeitz
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8 -- Copyright (C) 2016-2020 Thilo Molitor
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9 --
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10 -- This project is MIT/X11 licensed. Please see the
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11 -- COPYING file in the source package for more information.
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12 --
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13
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14 local tonumber = tonumber;
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15 local tostring = tostring;
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16 local math_max = math.max;
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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 t_remove = table.remove;
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20
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21 local cache = require "util.cache";
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22 local datetime = require "util.datetime";
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23 local add_filter = require "util.filters".add_filter;
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24 local jid = require "util.jid";
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25 local st = require "util.stanza";
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26 local timer = require "util.timer";
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27 local uuid_generate = require "util.uuid".generate;
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28
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29 local sessionmanager = require "core.sessionmanager";
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30 local core_process_stanza = prosody.core_process_stanza;
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31
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32 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas";
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33 local xmlns_delay = "urn:xmpp:delay";
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34 local xmlns_mam2 = "urn:xmpp:mam:2";
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35 local xmlns_sm2 = "urn:xmpp:sm:2";
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36 local xmlns_sm3 = "urn:xmpp:sm:3";
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37
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38 local sm2_attr = { xmlns = xmlns_sm2 };
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39 local sm3_attr = { xmlns = xmlns_sm3 };
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40
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41 local resume_timeout = module:get_option_number("smacks_hibernation_time", 600);
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42 local s2s_smacks = module:get_option_boolean("smacks_enabled_s2s", true);
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43 local s2s_resend = module:get_option_boolean("smacks_s2s_resend", false);
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44 local max_unacked_stanzas = module:get_option_number("smacks_max_unacked_stanzas", 0);
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45 local max_inactive_unacked_stanzas = module:get_option_number("smacks_max_inactive_unacked_stanzas", 256);
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46 local delayed_ack_timeout = module:get_option_number("smacks_max_ack_delay", 30);
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47 local max_hibernated_sessions = module:get_option_number("smacks_max_hibernated_sessions", 10);
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48 local max_old_sessions = module:get_option_number("smacks_max_old_sessions", 10);
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49
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50 assert(max_hibernated_sessions > 0, "smacks_max_hibernated_sessions must be greater than 0");
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51 assert(max_old_sessions > 0, "smacks_max_old_sessions must be greater than 0");
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52
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53 local c2s_sessions = module:shared("/*/c2s/sessions");
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54
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55 local function format_h(h) if h then return string.format("%d", h) end end
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56
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57 local function init_session_cache(max_entries, evict_callback)
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58 -- use per user limited cache for prosody >= 0.10
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59 local stores = {};
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60 return {
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61 get = function(user, key)
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62 if not user then return nil; end
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63 if not key then return nil; end
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64 if not stores[user] then
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65 stores[user] = cache.new(max_entries, evict_callback);
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66 end
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67 return stores[user]:get(key);
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68 end;
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69 set = function(user, key, value)
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70 if not user then return nil; end
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71 if not key then return nil; end
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72 if not stores[user] then stores[user] = cache.new(max_entries, evict_callback); end
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73 stores[user]:set(key, value);
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74 -- remove empty caches completely
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75 if stores[user]:count() == 0 then stores[user] = nil; end
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76 end;
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77 };
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78 end
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79 local old_session_registry = init_session_cache(max_old_sessions, nil);
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80 local session_registry = init_session_cache(max_hibernated_sessions, function(resumption_token, session)
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81 if session.destroyed then return true; end -- destroyed session can always be removed from cache
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82 session.log("warn", "User has too much hibernated sessions, removing oldest session (token: %s)", resumption_token);
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83 -- store old session's h values on force delete
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84 -- save only actual h value and username/host (for security)
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85 old_session_registry.set(session.username, resumption_token, {
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86 h = session.handled_stanza_count,
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87 });
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88 return true; -- allow session to be removed from full cache to make room for new one
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89 end);
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90
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91 local function ack_delayed(session, stanza)
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92 -- fire event only if configured to do so and our session is not already hibernated or destroyed
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93 if delayed_ack_timeout > 0 and session.awaiting_ack
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94 and not session.hibernating and not session.destroyed then
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95 session.log("debug", "Firing event 'smacks-ack-delayed', queue = %d",
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96 session.outgoing_stanza_queue and #session.outgoing_stanza_queue or 0);
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97 module:fire_event("smacks-ack-delayed", {origin = session, queue = session.outgoing_stanza_queue, stanza = stanza});
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98 end
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99 session.delayed_ack_timer = nil;
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100 end
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101
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102 local function can_do_smacks(session, advertise_only)
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103 if session.smacks then return false, "unexpected-request", "Stream management is already enabled"; end
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104
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105 local session_type = session.type;
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106 if session.username then
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107 if not(advertise_only) and not(session.resource) then -- Fail unless we're only advertising sm
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108 return false, "unexpected-request", "Client must bind a resource before enabling stream management";
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109 end
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110 return true;
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111 elseif s2s_smacks and (session_type == "s2sin" or session_type == "s2sout") then
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112 return true;
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113 end
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114 return false, "service-unavailable", "Stream management is not available for this stream";
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115 end
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116
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117 module:hook("stream-features",
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118 function (event)
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119 if can_do_smacks(event.origin, true) then
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parents:
diff changeset
120 event.features:tag("sm", sm2_attr):tag("optional"):up():up();
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
121 event.features:tag("sm", sm3_attr):tag("optional"):up():up();
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
122 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
123 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
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parents:
diff changeset
124
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
125 module:hook("s2s-stream-features",
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
126 function (event)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
127 if can_do_smacks(event.origin, true) then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
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parents:
diff changeset
128 event.features:tag("sm", sm2_attr):tag("optional"):up():up();
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parents:
diff changeset
129 event.features:tag("sm", sm3_attr):tag("optional"):up():up();
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
130 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
131 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
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parents:
diff changeset
132
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
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diff changeset
133 local function should_ack(session, force)
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
134 if not session then return end -- shouldn't be possible
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
135 if session.destroyed then return end -- gone
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
136 if not session.smacks then return end -- not using
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
137 if session.hibernating then return end -- can't ack when asleep
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
138 if session.awaiting_ack then return end -- already waiting
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
139 if force then return force end
11934
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parents:
diff changeset
140 local queue = session.outgoing_stanza_queue;
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parents:
diff changeset
141 local expected_h = session.last_acknowledged_stanza + #queue;
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parents:
diff changeset
142 local max_unacked = max_unacked_stanzas;
11935
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parents: 11934
diff changeset
143 if session.state == "inactive" then
11934
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parents:
diff changeset
144 max_unacked = max_inactive_unacked_stanzas;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
145 end
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
146 -- this check of last_requested_h prevents ack-loops if missbehaving clients report wrong
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
147 -- stanza counts. it is set when an <r> is really sent (e.g. inside timer), preventing any
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
148 -- further requests until a higher h-value would be expected.
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
149 return #queue > max_unacked and expected_h ~= session.last_requested_h;
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
150 end
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
151
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
152 local function request_ack(session, reason)
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
153 local queue = session.outgoing_stanza_queue;
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
154 session.log("debug", "Sending <r> (inside timer, before send) from %s - #queue=%d", reason, #queue);
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
155 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks }))
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
156 if session.destroyed then return end -- sending something can trigger destruction
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
157 session.awaiting_ack = true;
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
158 -- expected_h could be lower than this expression e.g. more stanzas added to the queue meanwhile)
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
159 session.last_requested_h = session.last_acknowledged_stanza + #queue;
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
160 session.log("debug", "Sending <r> (inside timer, after send) from %s - #queue=%d", reason, #queue);
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
161 if not session.delayed_ack_timer then
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
162 session.delayed_ack_timer = timer.add_task(delayed_ack_timeout, function()
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
163 ack_delayed(session, nil); -- we don't know if this is the only new stanza in the queue
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
164 end);
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
165 end
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
166 end
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
167
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
168 local function request_ack_now_if_needed(session, force, reason)
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
169 if should_ack(session, force) then
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
170 request_ack(session, reason);
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Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
171 end
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
172 end
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
173
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
174 local function request_ack_if_needed(session, force, reason, stanza)
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
175 if should_ack(session, force) then
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
176 timer.add_task(0, function ()
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
177 request_ack_now_if_needed(session, force, reason, stanza);
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
178 end);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 -- Trigger "smacks-ack-delayed"-event if we added new (ackable) stanzas to the outgoing queue
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 -- and there isn't already a timer for this event running.
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 -- If we wouldn't do this, stanzas added to the queue after the first "smacks-ack-delayed"-event
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 -- would not trigger this event (again).
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
185 local queue = session.outgoing_stanza_queue;
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
186 local max_unacked = max_unacked_stanzas;
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
187 if session.state == "inactive" then
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
188 max_unacked = max_inactive_unacked_stanzas;
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
189 end
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 if #queue > max_unacked and session.awaiting_ack and session.delayed_ack_timer == nil then
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
191 session.log("debug", "Calling ack_delayed directly (still waiting for ack)");
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
192 ack_delayed(session, stanza); -- this is the only new stanza in the queue --> provide it to other modules
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 local function outgoing_stanza_filter(stanza, session)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 -- XXX: Normally you wouldn't have to check the xmlns for a stanza as it's
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 -- supposed to be nil.
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 -- However, when using mod_smacks with mod_websocket, then mod_websocket's
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 -- stanzas/out filter can get called before this one and adds the xmlns.
11984
a86ae74da96c mod_smacks: Avoid duplicated queueing using flag on session instead of stanza
Kim Alvefur <zash@zash.se>
parents: 11983
diff changeset
201 if session.resending_unacked then return stanza end
11979
705c4c07a860 mod_smacks: Use stanza type checking function for correctness
Kim Alvefur <zash@zash.se>
parents: 11978
diff changeset
202 local is_stanza = st.is_stanza(stanza) and
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 (not stanza.attr.xmlns or stanza.attr.xmlns == 'jabber:client')
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 and not stanza.name:find":";
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205
11984
a86ae74da96c mod_smacks: Avoid duplicated queueing using flag on session instead of stanza
Kim Alvefur <zash@zash.se>
parents: 11983
diff changeset
206 if is_stanza then
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 local queue = session.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 local cached_stanza = st.clone(stanza);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209
11983
27f2539b4f87 mod_smacks: Remove dead conditional
Kim Alvefur <zash@zash.se>
parents: 11982
diff changeset
210 if cached_stanza.name ~= "iq" and cached_stanza:get_child("delay", xmlns_delay) == nil then
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 cached_stanza = cached_stanza:tag("delay", {
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 xmlns = xmlns_delay,
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 from = jid.bare(session.full_jid or session.host),
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 stamp = datetime.datetime()
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 });
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 queue[#queue+1] = cached_stanza;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 if session.hibernating then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 session.log("debug", "hibernating since %s, stanza queued", datetime.datetime(session.hibernating));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 module:fire_event("smacks-hibernation-stanza-queued", {origin = session, queue = queue, stanza = cached_stanza});
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 return nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 return stanza;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 local function count_incoming_stanzas(stanza, session)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 if not stanza.attr.xmlns then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 session.handled_stanza_count = session.handled_stanza_count + 1;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 session.log("debug", "Handled %d incoming stanzas", session.handled_stanza_count);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 return stanza;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 local function wrap_session_out(session, resume)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 if not resume then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 session.outgoing_stanza_queue = {};
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 session.last_acknowledged_stanza = 0;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 add_filter(session, "stanzas/out", outgoing_stanza_filter, -999);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244 return session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246
11975
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
247 module:hook("pre-session-close", function(event)
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
248 local session = event.session;
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
249 if session.resumption_token then
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
250 session_registry.set(session.username, session.resumption_token, nil);
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
251 old_session_registry.set(session.username, session.resumption_token, nil);
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
252 session.resumption_token = nil;
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
253 end
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
254 -- send out last ack as per revision 1.5.2 of XEP-0198
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
255 if session.smacks and session.conn and session.handled_stanza_count then
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
256 (session.sends2s or session.send)(st.stanza("a", {
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
257 xmlns = session.smacks;
11977
9f7a6f7d13de mod_smacks: Factor out formatting of 'h' value
Kim Alvefur <zash@zash.se>
parents: 11976
diff changeset
258 h = format_h(session.handled_stanza_count);
11975
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
259 }));
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
260 end
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
261 end);
fcea4d9e7502 mod_smacks: Use new pre-session-close event instead of monkeypatch
Kim Alvefur <zash@zash.se>
parents: 11952
diff changeset
262
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 local function wrap_session_in(session, resume)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 if not resume then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 session.handled_stanza_count = 0;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 add_filter(session, "stanzas/in", count_incoming_stanzas, 999);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269 return session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 local function wrap_session(session, resume)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273 wrap_session_out(session, resume);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 wrap_session_in(session, resume);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
275 return session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 function handle_enable(session, stanza, xmlns_sm)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 local ok, err, err_text = can_do_smacks(session);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280 if not ok then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
281 session.log("warn", "Failed to enable smacks: %s", err_text); -- TODO: XEP doesn't say we can send error text, should it?
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
282 (session.sends2s or session.send)(st.stanza("failed", { xmlns = xmlns_sm }):tag(err, { xmlns = xmlns_errors}));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
284 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
286 module:log("debug", "Enabling stream management");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
287 session.smacks = xmlns_sm;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
288
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
289 wrap_session(session, false);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
290
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
291 local resume_token;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
292 local resume = stanza.attr.resume;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
293 if resume == "true" or resume == "1" then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
294 resume_token = uuid_generate();
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
295 session_registry.set(session.username, resume_token, session);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
296 session.resumption_token = resume_token;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
297 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
298 (session.sends2s or session.send)(st.stanza("enabled", { xmlns = xmlns_sm, id = resume_token, resume = resume, max = tostring(resume_timeout) }));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
300 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
301 module:hook_tag(xmlns_sm2, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm2); end, 100);
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
302 module:hook_tag(xmlns_sm3, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm3); end, 100);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
303
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
304 module:hook_tag("http://etherx.jabber.org/streams", "features",
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 function (session, stanza)
11936
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
306 -- Needs to be done after flushing sendq since those aren't stored as
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
307 -- stanzas and counting them is weird.
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
308 timer.add_task(1e-6, function ()
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 if can_do_smacks(session) then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 if stanza:get_child("sm", xmlns_sm3) then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
311 session.sends2s(st.stanza("enable", sm3_attr));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
312 session.smacks = xmlns_sm3;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
313 elseif stanza:get_child("sm", xmlns_sm2) then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 session.sends2s(st.stanza("enable", sm2_attr));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
315 session.smacks = xmlns_sm2;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
317 return;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 wrap_session_out(session, false);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
324 function handle_enabled(session, stanza, xmlns_sm) -- luacheck: ignore 212/stanza
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 module:log("debug", "Enabling stream management");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 session.smacks = xmlns_sm;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 wrap_session_in(session, false);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
329
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
330 -- FIXME Resume?
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
331
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
333 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
334 module:hook_tag(xmlns_sm2, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm2); end, 100);
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
335 module:hook_tag(xmlns_sm3, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm3); end, 100);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
336
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
337 function handle_r(origin, stanza, xmlns_sm) -- luacheck: ignore 212/stanza
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 if not origin.smacks then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 module:log("debug", "Received ack request from non-smack-enabled session");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 return;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
342 module:log("debug", "Received ack request, acking for %d", origin.handled_stanza_count);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
343 -- Reply with <a>
11977
9f7a6f7d13de mod_smacks: Factor out formatting of 'h' value
Kim Alvefur <zash@zash.se>
parents: 11976
diff changeset
344 (origin.sends2s or origin.send)(st.stanza("a", { xmlns = xmlns_sm, h = format_h(origin.handled_stanza_count) }));
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 -- piggyback our own ack request if needed (see request_ack_if_needed() for explanation of last_requested_h)
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
346 request_ack_now_if_needed(origin, false, "piggybacked by handle_r", nil);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
348 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
349 module:hook_tag(xmlns_sm2, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm2); end);
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
350 module:hook_tag(xmlns_sm3, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm3); end);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 function handle_a(origin, stanza)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 if not origin.smacks then return; end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 origin.awaiting_ack = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
355 if origin.awaiting_ack_timer then
11936
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
356 timer.stop(origin.awaiting_ack_timer);
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
357 origin.awaiting_ack_timer = nil;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
358 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359 if origin.delayed_ack_timer then
11936
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
360 timer.stop(origin.delayed_ack_timer)
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
361 origin.delayed_ack_timer = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
362 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363 -- Remove handled stanzas from outgoing_stanza_queue
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
364 -- origin.log("debug", "ACK: h=%s, last=%s", stanza.attr.h or "", origin.last_acknowledged_stanza or "");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
365 local h = tonumber(stanza.attr.h);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
366 if not h then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367 origin:close{ condition = "invalid-xml"; text = "Missing or invalid 'h' attribute"; };
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
368 return;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
370 local handled_stanza_count = h-origin.last_acknowledged_stanza;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
371 local queue = origin.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
372 if handled_stanza_count > #queue then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
373 origin.log("warn", "The client says it handled %d new stanzas, but we only sent %d :)",
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
374 handled_stanza_count, #queue);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
375 origin.log("debug", "Client h: %d, our h: %d", tonumber(stanza.attr.h), origin.last_acknowledged_stanza);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
376 for i=1,#queue do
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
377 origin.log("debug", "Q item %d: %s", i, tostring(queue[i]));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
378 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
379 origin:close{ condition = "undefined-condition"; text = "Client acknowledged more stanzas than sent by server"; };
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
380 return;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
381 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
382
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
383 for _=1,math_min(handled_stanza_count,#queue) do
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
384 local handled_stanza = t_remove(origin.outgoing_stanza_queue, 1);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
385 module:fire_event("delivery/success", { session = origin, stanza = handled_stanza });
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
386 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
387
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
388 origin.log("debug", "#queue = %d", #queue);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
389 origin.last_acknowledged_stanza = origin.last_acknowledged_stanza + handled_stanza_count;
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
390 request_ack_now_if_needed(origin, false, "handle_a", nil)
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
391 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
392 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
393 module:hook_tag(xmlns_sm2, "a", handle_a);
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
394 module:hook_tag(xmlns_sm3, "a", handle_a);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
395
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
396 local function handle_unacked_stanzas(session)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
397 local queue = session.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
398 if #queue > 0 then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
399 session.outgoing_stanza_queue = {};
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
400 for i=1,#queue do
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
401 if not module:fire_event("delivery/failure", { session = session, stanza = queue[i] }) then
11997
1ea01660c79a mod_smacks: Refactor, simplify, optimize
Kim Alvefur <zash@zash.se>
parents: 11996
diff changeset
402 if queue[i].attr.type ~= "error" and queue[i].attr.from ~= session.full_jid then
11996
3dd7886f9342 mod_smacks: Use function to construct error reply
Kim Alvefur <zash@zash.se>
parents: 11985
diff changeset
403 local reply = st.error_reply(queue[i], "cancel", "recipient-unavailable");
11997
1ea01660c79a mod_smacks: Refactor, simplify, optimize
Kim Alvefur <zash@zash.se>
parents: 11996
diff changeset
404 core_process_stanza(session, reply);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
405 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
406 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
407 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
408 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
409 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
410
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
411 -- don't send delivery errors for messages which will be delivered by mam later on
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
412 -- check if stanza was archived --> this will allow us to send back errors for stanzas not archived
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
413 -- because the user configured the server to do so ("no-archive"-setting for one special contact for example)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
414 local function get_stanza_id(stanza, by_jid)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
415 for tag in stanza:childtags("stanza-id", "urn:xmpp:sid:0") do
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
416 if tag.attr.by == by_jid then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
417 return tag.attr.id;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
418 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
419 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
420 return nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
422 module:hook("delivery/failure", function(event)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
423 local session, stanza = event.session, event.stanza;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
424 -- Only deal with authenticated (c2s) sessions
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
425 if session.username then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
426 if stanza.name == "message" and stanza.attr.xmlns == nil and
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
427 ( stanza.attr.type == "chat" or ( stanza.attr.type or "normal" ) == "normal" ) then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
428 -- don't store messages in offline store if they are mam results
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
429 local mam_result = stanza:get_child("result", xmlns_mam2);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
430 if mam_result ~= nil then
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
431 return true; -- stanza already "handled", don't send an error and don't add it to offline storage
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
432 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
433 -- do nothing here for normal messages and don't send out "message delivery errors",
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
434 -- because messages are already in MAM at this point (no need to frighten users)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
435 local stanza_id = get_stanza_id(stanza, jid.bare(session.full_jid));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
436 if session.mam_requested and stanza_id ~= nil then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
437 session.log("debug", "mod_smacks delivery/failure returning true for mam-handled stanza: mam-archive-id=%s", tostring(stanza_id));
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
438 return true; -- stanza handled, don't send an error
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
439 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
440 -- store message in offline store, if this client does not use mam *and* was the last client online
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
441 local sessions = prosody.hosts[module.host].sessions[session.username] and
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
442 prosody.hosts[module.host].sessions[session.username].sessions or nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
443 if sessions and next(sessions) == session.resource and next(sessions, session.resource) == nil then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
444 local ok = module:fire_event("message/offline/handle", { origin = session, username = session.username, stanza = stanza });
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
445 session.log("debug", "mod_smacks delivery/failuere returning %s for offline-handled stanza", tostring(ok));
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
446 return ok; -- if stanza was handled, don't send an error
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
447 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
448 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
449 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
450 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
451
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
452 module:hook("pre-resource-unbind", function (event)
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
453 local session = event.session;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
454 if session.smacks then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
455 if not session.resumption_token then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
456 local queue = session.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
457 if #queue > 0 then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
458 session.log("debug", "Destroying session with %d unacked stanzas", #queue);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
459 handle_unacked_stanzas(session);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
460 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
461 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
462 session.log("debug", "mod_smacks hibernating session for up to %d seconds", resume_timeout);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
463 local hibernate_time = os_time(); -- Track the time we went into hibernation
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
464 session.hibernating = hibernate_time;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
465 local resumption_token = session.resumption_token;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
466 module:fire_event("smacks-hibernation-start", {origin = session, queue = session.outgoing_stanza_queue});
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
467 timer.add_task(resume_timeout, function ()
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
468 session.log("debug", "mod_smacks hibernation timeout reached...");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
469 -- We need to check the current resumption token for this resource
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
470 -- matches the smacks session this timer is for in case it changed
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
471 -- (for example, the client may have bound a new resource and
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
472 -- started a new smacks session, or not be using smacks)
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
473 local curr_session = prosody.full_sessions[session.full_jid];
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
474 if session.destroyed then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
475 session.log("debug", "The session has already been destroyed");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
476 elseif curr_session and curr_session.resumption_token == resumption_token
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
477 -- Check the hibernate time still matches what we think it is,
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
478 -- otherwise the session resumed and re-hibernated.
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
479 and session.hibernating == hibernate_time then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
480 -- wait longer if the timeout isn't reached because push was enabled for this session
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
481 -- session.first_hibernated_push is the starting point for hibernation timeouts of those push enabled clients
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
482 -- wait for an additional resume_timeout seconds if no push occurred since hibernation at all
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
483 local current_time = os_time();
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
484 local timeout_start = math_max(session.hibernating, session.first_hibernated_push or session.hibernating);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
485 if session.push_identifier ~= nil and not session.first_hibernated_push then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
486 session.log("debug", "No push happened since hibernation started, hibernating session for up to %d extra seconds", resume_timeout);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
487 return resume_timeout;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
488 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
489 if session.push_identifier ~= nil and current_time-timeout_start < resume_timeout then
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
490 session.log("debug", "A push happened since hibernation started, hibernating session for up to %d extra seconds",
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
491 resume_timeout - (current_time - timeout_start));
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
492 return resume_timeout-(current_time-timeout_start); -- time left to wait
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
493 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
494 session.log("debug", "Destroying session for hibernating too long");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
495 session_registry.set(session.username, session.resumption_token, nil);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
496 -- save only actual h value and username/host (for security)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
497 old_session_registry.set(session.username, session.resumption_token, {
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
498 h = session.handled_stanza_count,
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
499 });
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
500 session.resumption_token = nil;
12038
4e54334febc1 mod_smacks: Include reason for destroying session on hibernation timeout
Kim Alvefur <zash@zash.se>
parents: 11997
diff changeset
501 sessionmanager.destroy_session(session, "Hibernating too long");
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
502 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
503 session.log("debug", "Session resumed before hibernation timeout, all is well")
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
504 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
505 end);
11982
c7c0c40487e2 mod_smacks: Ensure hibernating session is not connected
Kim Alvefur <zash@zash.se>
parents: 11981
diff changeset
506 if session.conn then
c7c0c40487e2 mod_smacks: Ensure hibernating session is not connected
Kim Alvefur <zash@zash.se>
parents: 11981
diff changeset
507 session.conn:close();
c7c0c40487e2 mod_smacks: Ensure hibernating session is not connected
Kim Alvefur <zash@zash.se>
parents: 11981
diff changeset
508 end
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
509 return true; -- Postpone destruction for now
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
510 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
511 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
512 end);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
513
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
514 local function handle_s2s_destroyed(event)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
515 local session = event.session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
516 local queue = session.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
517 if queue and #queue > 0 then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
518 session.log("warn", "Destroying session with %d unacked stanzas", #queue);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
519 if s2s_resend then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
520 for i = 1, #queue do
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
521 module:send(queue[i]);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
522 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
523 session.outgoing_stanza_queue = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
524 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
525 handle_unacked_stanzas(session);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
526 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
527 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
528 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
529
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
530 module:hook("s2sout-destroyed", handle_s2s_destroyed);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
531 module:hook("s2sin-destroyed", handle_s2s_destroyed);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
532
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
533 local function get_session_id(session)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
534 return session.id or (tostring(session):match("[a-f0-9]+$"));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
535 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
536
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
537 function handle_resume(session, stanza, xmlns_sm)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
538 if session.full_jid then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
539 session.log("warn", "Tried to resume after resource binding");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
540 session.send(st.stanza("failed", { xmlns = xmlns_sm })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
541 :tag("unexpected-request", { xmlns = xmlns_errors })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
542 );
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
543 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
544 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
545
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
546 local id = stanza.attr.previd;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
547 local original_session = session_registry.get(session.username, id);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
548 if not original_session then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
549 session.log("debug", "Tried to resume non-existent session with id %s", id);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
550 local old_session = old_session_registry.get(session.username, id);
11978
628374809421 mod_smacks: Remove redundant fields
Kim Alvefur <zash@zash.se>
parents: 11977
diff changeset
551 if old_session then
11977
9f7a6f7d13de mod_smacks: Factor out formatting of 'h' value
Kim Alvefur <zash@zash.se>
parents: 11976
diff changeset
552 session.send(st.stanza("failed", { xmlns = xmlns_sm, h = format_h(old_session.h) })
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
553 :tag("item-not-found", { xmlns = xmlns_errors })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
554 );
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
555 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
556 session.send(st.stanza("failed", { xmlns = xmlns_sm })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
557 :tag("item-not-found", { xmlns = xmlns_errors })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
558 );
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
559 end;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
560 elseif session.username == original_session.username
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
561 and session.host == original_session.host then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
562 session.log("debug", "mod_smacks resuming existing session %s...", get_session_id(original_session));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
563 original_session.log("debug", "mod_smacks session resumed from %s...", get_session_id(session));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
564 -- TODO: All this should move to sessionmanager (e.g. session:replace(new_session))
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
565 if original_session.conn then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
566 original_session.log("debug", "mod_smacks closing an old connection for this session");
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
567 local conn = original_session.conn;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
568 c2s_sessions[conn] = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
569 conn:close();
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
570 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
571 local migrated_session_log = session.log;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
572 original_session.ip = session.ip;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
573 original_session.conn = session.conn;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
574 original_session.send = session.send;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
575 original_session.close = session.close;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
576 original_session.filter = session.filter;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
577 original_session.filter.session = original_session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
578 original_session.filters = session.filters;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
579 original_session.stream = session.stream;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
580 original_session.secure = session.secure;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
581 original_session.hibernating = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
582 session.log = original_session.log;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
583 session.type = original_session.type;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
584 wrap_session(original_session, true);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
585 -- Inform xmppstream of the new session (passed to its callbacks)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
586 original_session.stream:set_session(original_session);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
587 -- Similar for connlisteners
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
588 c2s_sessions[session.conn] = original_session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
589
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
590 original_session.send(st.stanza("resumed", { xmlns = xmlns_sm,
11977
9f7a6f7d13de mod_smacks: Factor out formatting of 'h' value
Kim Alvefur <zash@zash.se>
parents: 11976
diff changeset
591 h = format_h(original_session.handled_stanza_count), previd = id }));
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
592
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
593 -- Fake an <a> with the h of the <resume/> from the client
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
594 original_session:dispatch_stanza(st.stanza("a", { xmlns = xmlns_sm,
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
595 h = stanza.attr.h }));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
596
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
597 -- Ok, we need to re-send any stanzas that the client didn't see
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
598 -- ...they are what is now left in the outgoing stanza queue
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
599 -- We have to use the send of "session" because we don't want to add our resent stanzas
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
600 -- to the outgoing queue again
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
601 local queue = original_session.outgoing_stanza_queue;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
602 session.log("debug", "resending all unacked stanzas that are still queued after resume, #queue = %d", #queue);
11984
a86ae74da96c mod_smacks: Avoid duplicated queueing using flag on session instead of stanza
Kim Alvefur <zash@zash.se>
parents: 11983
diff changeset
603 session.resending_unacked = true;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
604 for i=1,#queue do
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
605 session.send(queue[i]);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
606 end
11984
a86ae74da96c mod_smacks: Avoid duplicated queueing using flag on session instead of stanza
Kim Alvefur <zash@zash.se>
parents: 11983
diff changeset
607 session.resending_unacked = nil;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
608 session.log("debug", "all stanzas resent, now disabling send() in this migrated session, #queue = %d", #queue);
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
609 function session.send(stanza) -- luacheck: ignore 432
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
610 migrated_session_log("error", "Tried to send stanza on old session migrated by smacks resume (maybe there is a bug?): %s", tostring(stanza));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
611 return false;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
612 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
613 module:fire_event("smacks-hibernation-end", {origin = session, resumed = original_session, queue = queue});
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
614 request_ack_if_needed(original_session, true, "handle_resume", nil);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
615 else
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
616 module:log("warn", "Client %s@%s[%s] tried to resume stream for %s@%s[%s]",
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
617 session.username or "?", session.host or "?", session.type,
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
618 original_session.username or "?", original_session.host or "?", original_session.type);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
619 session.send(st.stanza("failed", { xmlns = xmlns_sm })
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
620 :tag("not-authorized", { xmlns = xmlns_errors }));
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
621 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
622 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
623 end
11935
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
624 module:hook_tag(xmlns_sm2, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm2); end);
4d0d10fabb82 mod_smacks: Clean up compat code etc
Kim Alvefur <zash@zash.se>
parents: 11934
diff changeset
625 module:hook_tag(xmlns_sm3, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm3); end);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
626
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
627 -- Events when it's sensible to request an ack
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
628 -- Could experiment with forcing (ignoring max_unacked) <r>, but when and why?
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
629 local request_ack_events = {
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
630 ["csi-client-active"] = true;
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
631 ["csi-flushing"] = false;
11938
6da703cb4c04 mod_smacks: Optimize scheduling of ack requests
Kim Alvefur <zash@zash.se>
parents: 11937
diff changeset
632 ["c2s-pre-ondrain"] = false;
6da703cb4c04 mod_smacks: Optimize scheduling of ack requests
Kim Alvefur <zash@zash.se>
parents: 11937
diff changeset
633 ["s2s-pre-ondrain"] = false;
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
634 };
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
635
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
636 for event_name, force in pairs(request_ack_events) do
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
637 module:hook(event_name, function(event)
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
638 local session = event.session or event.origin;
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
639 request_ack_now_if_needed(session, force, event_name);
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
640 end);
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
641 end
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
642
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
643 local function handle_read_timeout(event)
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
644 local session = event.session;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
645 if session.smacks then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
646 if session.awaiting_ack then
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
647 if session.awaiting_ack_timer then
11936
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
648 timer.stop(session.awaiting_ack_timer);
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
649 session.awaiting_ack_timer = nil;
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
650 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
651 if session.delayed_ack_timer then
11936
3f49c35607ca mod_smacks: Fix timer lifetimes to follow session instead of module
Kim Alvefur <zash@zash.se>
parents: 11935
diff changeset
652 timer.stop(session.delayed_ack_timer);
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
653 session.delayed_ack_timer = nil;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
654 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
655 return false; -- Kick the session
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
656 end
11937
364c3f018e3a mod_smacks: Refactor ack requesting to avoid some timer roundtrips
Kim Alvefur <zash@zash.se>
parents: 11936
diff changeset
657 request_ack_now_if_needed(session, true, "read timeout");
11934
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
658 return true;
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
659 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
660 end
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
661
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
662 module:hook("s2s-read-timeout", handle_read_timeout);
65cdb1b21db3 mod_smacks: Import from prosody-modules @ eb63890ae8fc
Kim Alvefur <zash@zash.se>
parents:
diff changeset
663 module:hook("c2s-read-timeout", handle_read_timeout);