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mod_smacks/mod_smacks.lua @ 3080:b003d72d9ce6
mod_cache_c2s_caps: Switch to origin.log to provide better debug to admins.
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
---|---|
date | Fri, 01 Jun 2018 18:33:53 +0200 |
parent | 2937:e672d1050529 |
child | 3104:626d2c781c66 |
rev | line source |
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1670 | 1 -- XEP-0198: Stream Management for Prosody IM |
2 -- | |
3 -- Copyright (C) 2010-2015 Matthew Wild | |
4 -- Copyright (C) 2010 Waqas Hussain | |
5 -- Copyright (C) 2012-2015 Kim Alvefur | |
6 -- Copyright (C) 2012 Thijs Alkemade | |
7 -- Copyright (C) 2014 Florian Zeitz | |
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8 -- Copyright (C) 2016-2017 Thilo Molitor |
1670 | 9 -- |
10 -- This project is MIT/X11 licensed. Please see the | |
11 -- COPYING file in the source package for more information. | |
12 -- | |
13 | |
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14 local st = require "util.stanza"; |
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15 local dep = require "util.dependencies"; |
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16 local cache = dep.softreq("util.cache"); -- only available in prosody 0.10+ |
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17 local uuid_generate = require "util.uuid".generate; |
2756 | 18 local jid = require "util.jid"; |
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19 |
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20 local t_insert, t_remove = table.insert, table.remove; |
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21 local math_min = math.min; |
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22 local os_time = os.time; |
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23 local tonumber, tostring = tonumber, tostring; |
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24 local add_filter = require "util.filters".add_filter; |
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25 local timer = require "util.timer"; |
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26 local datetime = require "util.datetime"; |
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27 |
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28 local xmlns_sm2 = "urn:xmpp:sm:2"; |
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29 local xmlns_sm3 = "urn:xmpp:sm:3"; |
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30 local xmlns_errors = "urn:ietf:params:xml:ns:xmpp-stanzas"; |
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31 local xmlns_delay = "urn:xmpp:delay"; |
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32 |
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33 local sm2_attr = { xmlns = xmlns_sm2 }; |
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34 local sm3_attr = { xmlns = xmlns_sm3 }; |
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35 |
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36 local resume_timeout = module:get_option_number("smacks_hibernation_time", 300); |
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37 local s2s_smacks = module:get_option_boolean("smacks_enabled_s2s", false); |
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38 local s2s_resend = module:get_option_boolean("smacks_s2s_resend", false); |
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39 local max_unacked_stanzas = module:get_option_number("smacks_max_unacked_stanzas", 0); |
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40 local delayed_ack_timeout = module:get_option_number("smacks_max_ack_delay", 60); |
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41 local max_hibernated_sessions = module:get_option_number("smacks_max_hibernated_sessions", 10); |
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42 local max_old_sessions = module:get_option_number("smacks_max_old_sessions", 10); |
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43 local core_process_stanza = prosody.core_process_stanza; |
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44 local sessionmanager = require"core.sessionmanager"; |
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45 |
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46 local c2s_sessions = module:shared("/*/c2s/sessions"); |
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47 |
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48 local function init_session_cache(max_entries, evict_callback) |
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49 -- old prosody version < 0.10 (no limiting at all!) |
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50 if not cache then |
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51 local store = {}; |
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52 return { |
2701 | 53 get = function(user, key) |
54 if not user then return nil; end | |
55 if not key then return nil; end | |
56 return store[key]; | |
57 end; | |
58 set = function(user, key, value) | |
59 if not user then return nil; end | |
60 if not key then return nil; end | |
61 store[key] = value; | |
62 end; | |
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63 }; |
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64 end |
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65 |
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66 -- use per user limited cache for prosody >= 0.10 |
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67 local stores = {}; |
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68 return { |
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69 get = function(user, key) |
2701 | 70 if not user then return nil; end |
71 if not key then return nil; end | |
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72 if not stores[user] then |
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73 stores[user] = cache.new(max_entries, evict_callback); |
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74 end |
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75 return stores[user]:get(key); |
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76 end; |
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77 set = function(user, key, value) |
2701 | 78 if not user then return nil; end |
79 if not key then return nil; end | |
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80 if not stores[user] then stores[user] = cache.new(max_entries, evict_callback); end |
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81 stores[user]:set(key, value); |
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82 -- remove empty caches completely |
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83 if not stores[user]:count() then stores[user] = nil; end |
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84 end; |
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85 }; |
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86 end |
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87 local old_session_registry = init_session_cache(max_old_sessions, nil); |
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88 local session_registry = init_session_cache(max_hibernated_sessions, function(resumption_token, session) |
2701 | 89 if session.destroyed then return true; end -- destroyed session can always be removed from cache |
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90 session.log("warn", "User has too much hibernated sessions, removing oldest session (token: %s)", resumption_token); |
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91 -- store old session's h values on force delete |
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92 -- save only actual h value and username/host (for security) |
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93 old_session_registry.set(session.username, resumption_token, { |
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94 h = session.handled_stanza_count, |
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95 username = session.username, |
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96 host = session.host |
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97 }); |
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98 return true; -- allow session to be removed from full cache to make room for new one |
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99 end); |
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100 |
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101 local function stoppable_timer(delay, callback) |
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102 local stopped = false; |
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103 return { |
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104 stop = function () stopped = true end; |
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105 module:add_timer(delay, function (t) |
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106 if stopped then return; end |
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107 return callback(t); |
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108 end); |
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109 }; |
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110 end |
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111 |
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112 local function delayed_ack_function(session) |
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113 -- fire event only if configured to do so and our session is not hibernated or destroyed |
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114 if delayed_ack_timeout > 0 and session.awaiting_ack |
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115 and not session.hibernating and not session.destroyed then |
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116 session.log("debug", "Firing event 'smacks-ack-delayed', queue = %d", |
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117 session.outgoing_stanza_queue and #session.outgoing_stanza_queue or 0); |
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118 module:fire_event("smacks-ack-delayed", {origin = session, queue = session.outgoing_stanza_queue}); |
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119 end |
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120 session.delayed_ack_timer = nil; |
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121 end |
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122 |
591
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123 local function can_do_smacks(session, advertise_only) |
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124 if session.smacks then return false, "unexpected-request", "Stream management is already enabled"; end |
1343
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125 |
591
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126 local session_type = session.type; |
2417
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127 if session.username then |
591
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diff
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128 if not(advertise_only) and not(session.resource) then -- Fail unless we're only advertising sm |
592
f9c73c1249cd
Update smacks to urn:xmpp:sm:3. Fix typo in can_do_smacks.
Thijs Alkemade <thijsalkemade@gmail.com>
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129 return false, "unexpected-request", "Client must bind a resource before enabling stream management"; |
591
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130 end |
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131 return true; |
595
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|
132 elseif s2s_smacks and (session_type == "s2sin" or session_type == "s2sout") then |
591
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133 return true; |
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134 end |
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135 return false, "service-unavailable", "Stream management is not available for this stream"; |
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136 end |
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137 |
263
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138 module:hook("stream-features", |
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|
139 function (event) |
591
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140 if can_do_smacks(event.origin, true) then |
1298
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141 event.features:tag("sm", sm2_attr):tag("optional"):up():up(); |
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142 event.features:tag("sm", sm3_attr):tag("optional"):up():up(); |
589
57ac609444c4
mod_smacks: Only advertise stream features when a stream is authenticated, and doesn't already have smacks enabled
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diff
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143 end |
160
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144 end); |
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145 |
9a7671720dec
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|
146 module:hook("s2s-stream-features", |
263
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diff
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|
147 function (event) |
591
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148 if can_do_smacks(event.origin, true) then |
1298
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149 event.features:tag("sm", sm2_attr):tag("optional"):up():up(); |
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150 event.features:tag("sm", sm3_attr):tag("optional"):up():up(); |
576
44b69c3d5351
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diff
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151 end |
160
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152 end); |
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153 |
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154 local function request_ack_if_needed(session, force) |
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155 local queue = session.outgoing_stanza_queue; |
2727
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156 if session.awaiting_ack == nil and not session.hibernating then |
2624
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157 if (#queue > max_unacked_stanzas and session.last_queue_count ~= #queue) or force then |
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158 session.log("debug", "Queuing <r> (in a moment)"); |
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159 session.awaiting_ack = false; |
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160 session.awaiting_ack_timer = stoppable_timer(1e-06, function () |
2727
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161 if not session.awaiting_ack and not session.hibernating then |
2624
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162 session.log("debug", "Sending <r> (inside timer, before send)"); |
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163 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks })) |
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164 session.log("debug", "Sending <r> (inside timer, after send)"); |
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165 session.awaiting_ack = true; |
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166 if not session.delayed_ack_timer then |
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167 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function() |
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|
168 delayed_ack_function(session); |
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169 end); |
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|
170 end |
2596
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Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
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diff
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171 end |
2624
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|
172 end); |
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|
173 end |
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diff
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|
174 end |
2713
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diff
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|
175 |
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diff
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|
176 -- Trigger "smacks-ack-delayed"-event if we added new (ackable) stanzas to the outgoing queue |
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177 -- and there isn't already a timer for this event running. |
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|
178 -- If we wouldn't do this, stanzas added to the queue after the first "smacks-ack-delayed"-event |
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|
179 -- would not trigger this event (again). |
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180 if #queue > max_unacked_stanzas and session.awaiting_ack and session.delayed_ack_timer == nil then |
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|
181 session.log("debug", "Calling delayed_ack_function directly (still waiting for ack)"); |
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|
182 delayed_ack_function(session); |
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diff
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|
183 end |
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|
184 |
2624
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185 session.last_queue_count = #queue; |
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|
186 end |
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|
187 |
1520
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diff
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|
188 local function outgoing_stanza_filter(stanza, session) |
1597
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mod_smacks: Stanzas don't have a ':' in their name
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diff
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|
189 local is_stanza = stanza.attr and not stanza.attr.xmlns and not stanza.name:find":"; |
1520
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190 if is_stanza and not stanza._cached then -- Stanza in default stream namespace |
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|
191 local queue = session.outgoing_stanza_queue; |
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|
192 local cached_stanza = st.clone(stanza); |
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|
193 cached_stanza._cached = true; |
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|
194 |
1599
8e006226e4c5
mod_smacks: Don't attach timestamps to 'iq' stanzas
Kim Alvefur <zash@zash.se>
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1598
diff
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|
195 if cached_stanza and cached_stanza.name ~= "iq" and cached_stanza:get_child("delay", xmlns_delay) == nil then |
2756 | 196 cached_stanza = cached_stanza:tag("delay", { |
197 xmlns = xmlns_delay, | |
198 from = jid.bare(session.full_jid or session.host), | |
199 stamp = datetime.datetime() | |
200 }); | |
1520
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201 end |
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|
202 |
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|
203 queue[#queue+1] = cached_stanza; |
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|
204 session.log("debug", "#queue = %d", #queue); |
1522
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|
205 if session.hibernating then |
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|
206 session.log("debug", "hibernating, stanza queued"); |
2087
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Kim Alvefur <zash@zash.se>
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1881
diff
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|
207 return nil; |
1522
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|
208 end |
2624
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209 request_ack_if_needed(session, false); |
1520
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210 end |
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211 return stanza; |
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212 end |
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213 |
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|
214 local function count_incoming_stanzas(stanza, session) |
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|
215 if not stanza.attr.xmlns then |
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|
216 session.handled_stanza_count = session.handled_stanza_count + 1; |
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|
217 session.log("debug", "Handled %d incoming stanzas", session.handled_stanza_count); |
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|
218 end |
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219 return stanza; |
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220 end |
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221 |
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222 local function wrap_session_out(session, resume) |
345
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223 if not resume then |
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|
224 session.outgoing_stanza_queue = {}; |
345
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225 session.last_acknowledged_stanza = 0; |
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226 end |
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227 |
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228 add_filter(session, "stanzas/out", outgoing_stanza_filter, -999); |
988
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229 |
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230 local session_close = session.close; |
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231 function session.close(...) |
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232 if session.resumption_token then |
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233 session_registry.set(session.username, session.resumption_token, nil); |
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234 old_session_registry.set(session.username, session.resumption_token, nil); |
988
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235 session.resumption_token = nil; |
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236 end |
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237 -- send out last ack as per revision 1.5.2 of XEP-0198 |
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|
238 if session.smacks and session.conn then |
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239 (session.sends2s or session.send)(st.stanza("a", { xmlns = session.smacks, h = string.format("%d", session.handled_stanza_count) })); |
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240 end |
988
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241 return session_close(...); |
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242 end |
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243 return session; |
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244 end |
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245 |
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246 local function wrap_session_in(session, resume) |
345
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247 if not resume then |
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248 session.handled_stanza_count = 0; |
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249 end |
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250 add_filter(session, "stanzas/in", count_incoming_stanzas, 999); |
345
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diff
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251 |
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252 return session; |
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diff
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|
253 end |
201
bc24f58a0d39
mod_smacks: Use filters for catching incoming stanzas (more reliable and efficient), also add some logic to make compatible with the stream resumption module (coming soon)
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diff
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|
254 |
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255 local function wrap_session(session, resume) |
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256 wrap_session_out(session, resume); |
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257 wrap_session_in(session, resume); |
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258 return session; |
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259 end |
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260 |
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|
261 function handle_enable(session, stanza, xmlns_sm) |
591
36003cae2370
mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents:
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diff
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|
262 local ok, err, err_text = can_do_smacks(session); |
36003cae2370
mod_smacks: Consolidate logic for deciding whether to advertise or allow smacks for a given session, and fix an issue with not allowing s2s connections to enable smacks because of not binding a resource... (thanks xnyphs)
Matthew Wild <mwild1@gmail.com>
parents:
590
diff
changeset
|
263 if not ok then |
590
40b707d7a809
mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
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589
diff
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|
264 session.log("warn", "Failed to enable smacks: %s", err_text); -- TODO: XEP doesn't say we can send error text, should it? |
1527
06ecc5b3ca46
mod_smacks: Send failure correctly on s2s
Kim Alvefur <zash@zash.se>
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diff
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|
265 (session.sends2s or session.send)(st.stanza("failed", { xmlns = xmlns_sm }):tag(err, { xmlns = xmlns_errors})); |
590
40b707d7a809
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Matthew Wild <mwild1@gmail.com>
parents:
589
diff
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|
266 return true; |
40b707d7a809
mod_smacks: Handle a client trying to <enable> twice, or trying to <enable> before resource binding (thanks Thijs Alkemade)
Matthew Wild <mwild1@gmail.com>
parents:
589
diff
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|
267 end |
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parents:
589
diff
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|
268 |
345
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diff
changeset
|
269 module:log("debug", "Enabling stream management"); |
1520
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diff
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|
270 session.smacks = xmlns_sm; |
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|
271 |
1520
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|
272 wrap_session(session, false); |
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|
273 |
345
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diff
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|
274 local resume_token; |
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diff
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|
275 local resume = stanza.attr.resume; |
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diff
changeset
|
276 if resume == "true" or resume == "1" then |
445178d15b51
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diff
changeset
|
277 resume_token = uuid_generate(); |
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|
278 session_registry.set(session.username, resume_token, session); |
345
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diff
changeset
|
279 session.resumption_token = resume_token; |
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parents:
263
diff
changeset
|
280 end |
576
44b69c3d5351
mod_smacks: Fix smacks on s2s connections, but disable it by default.
Kim Alvefur <zash@zash.se>
parents:
478
diff
changeset
|
281 (session.sends2s or session.send)(st.stanza("enabled", { xmlns = xmlns_sm, id = resume_token, resume = resume })); |
44b69c3d5351
mod_smacks: Fix smacks on s2s connections, but disable it by default.
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diff
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|
282 return true; |
1298
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diff
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|
283 end |
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diff
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|
284 module:hook_stanza(xmlns_sm2, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm2); end, 100); |
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|
285 module:hook_stanza(xmlns_sm3, "enable", function (session, stanza) return handle_enable(session, stanza, xmlns_sm3); end, 100); |
576
44b69c3d5351
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parents:
478
diff
changeset
|
286 |
1530
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Kim Alvefur <zash@zash.se>
parents:
1529
diff
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|
287 module:hook_stanza("http://etherx.jabber.org/streams", "features", |
fb7cd669f41b
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diff
changeset
|
288 function (session, stanza) |
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|
289 stoppable_timer(1e-6, function () |
1531
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Kim Alvefur <zash@zash.se>
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|
290 if can_do_smacks(session) then |
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diff
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|
291 if stanza:get_child("sm", xmlns_sm3) then |
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|
292 session.sends2s(st.stanza("enable", sm3_attr)); |
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|
293 session.smacks = xmlns_sm3; |
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|
294 elseif stanza:get_child("sm", xmlns_sm2) then |
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|
295 session.sends2s(st.stanza("enable", sm2_attr)); |
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|
296 session.smacks = xmlns_sm2; |
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|
297 else |
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|
298 return; |
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|
299 end |
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|
300 wrap_session_out(session, false); |
1530
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|
301 end |
1531
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302 end); |
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303 end); |
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|
304 |
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|
305 function handle_enabled(session, stanza, xmlns_sm) |
576
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|
306 module:log("debug", "Enabling stream management"); |
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|
307 session.smacks = xmlns_sm; |
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|
308 |
1530
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|
309 wrap_session_in(session, false); |
576
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diff
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|
310 |
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diff
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|
311 -- FIXME Resume? |
1343
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|
312 |
345
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|
313 return true; |
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|
314 end |
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|
315 module:hook_stanza(xmlns_sm2, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm2); end, 100); |
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|
316 module:hook_stanza(xmlns_sm3, "enabled", function (session, stanza) return handle_enabled(session, stanza, xmlns_sm3); end, 100); |
160
9a7671720dec
mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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diff
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|
317 |
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318 function handle_r(origin, stanza, xmlns_sm) |
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319 if not origin.smacks then |
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320 module:log("debug", "Received ack request from non-smack-enabled session"); |
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321 return; |
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322 end |
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323 module:log("debug", "Received ack request, acking for %d", origin.handled_stanza_count); |
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324 -- Reply with <a> |
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325 (origin.sends2s or origin.send)(st.stanza("a", { xmlns = xmlns_sm, h = string.format("%d", origin.handled_stanza_count) })); |
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326 return true; |
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327 end |
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328 module:hook_stanza(xmlns_sm2, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm2); end); |
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329 module:hook_stanza(xmlns_sm3, "r", function (origin, stanza) return handle_r(origin, stanza, xmlns_sm3); end); |
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330 |
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331 function handle_a(origin, stanza) |
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332 if not origin.smacks then return; end |
200
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333 origin.awaiting_ack = nil; |
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334 if origin.awaiting_ack_timer then |
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335 origin.awaiting_ack_timer:stop(); |
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336 end |
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337 if origin.delayed_ack_timer then |
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338 origin.delayed_ack_timer:stop(); |
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339 origin.delayed_ack_timer = nil; |
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340 end |
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341 -- Remove handled stanzas from outgoing_stanza_queue |
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342 -- origin.log("debug", "ACK: h=%s, last=%s", stanza.attr.h or "", origin.last_acknowledged_stanza or ""); |
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343 local h = tonumber(stanza.attr.h); |
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344 if not h then |
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345 origin:close{ condition = "invalid-xml"; text = "Missing or invalid 'h' attribute"; }; |
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346 end |
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347 local handled_stanza_count = h-origin.last_acknowledged_stanza; |
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348 local queue = origin.outgoing_stanza_queue; |
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349 if handled_stanza_count > #queue then |
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350 origin.log("warn", "The client says it handled %d new stanzas, but we only sent %d :)", |
220
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351 handled_stanza_count, #queue); |
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352 origin.log("debug", "Client h: %d, our h: %d", tonumber(stanza.attr.h), origin.last_acknowledged_stanza); |
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353 for i=1,#queue do |
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354 origin.log("debug", "Q item %d: %s", i, tostring(queue[i])); |
220
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355 end |
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356 end |
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357 for i=1,math_min(handled_stanza_count,#queue) do |
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358 t_remove(origin.outgoing_stanza_queue, 1); |
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359 end |
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360 origin.log("debug", "#queue = %d", #queue); |
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361 origin.last_acknowledged_stanza = origin.last_acknowledged_stanza + handled_stanza_count; |
2624
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362 request_ack_if_needed(origin, false) |
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363 return true; |
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364 end |
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365 module:hook_stanza(xmlns_sm2, "a", handle_a); |
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366 module:hook_stanza(xmlns_sm3, "a", handle_a); |
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367 |
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368 --TODO: Optimise... incoming stanzas should be handled by a per-session |
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369 -- function that has a counter as an upvalue (no table indexing for increments, |
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370 -- and won't slow non-198 sessions). We can also then remove the .handled flag |
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371 -- on stanzas |
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372 |
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373 function handle_unacked_stanzas(session) |
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374 local queue = session.outgoing_stanza_queue; |
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375 local error_attr = { type = "cancel" }; |
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376 if #queue > 0 then |
202
d11478ae374e
mod_smacks: Clean outgoing stanza queue correctly on session close
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377 session.outgoing_stanza_queue = {}; |
160
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378 for i=1,#queue do |
256
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379 local reply = st.reply(queue[i]); |
160
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380 if reply.attr.to ~= session.full_jid then |
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381 reply.attr.type = "error"; |
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|
382 reply:tag("error", error_attr) |
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383 :tag("recipient-unavailable", {xmlns = "urn:ietf:params:xml:ns:xmpp-stanzas"}); |
256
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384 core_process_stanza(session, reply); |
160
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385 end |
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386 end |
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mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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diff
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|
387 end |
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mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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diff
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|
388 end |
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mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
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parents:
diff
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|
389 |
622
ce39df945de1
mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
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595
diff
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|
390 module:hook("pre-resource-unbind", function (event) |
ce39df945de1
mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
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595
diff
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|
391 local session, err = event.session, event.error; |
1024
d7655e634c30
mod_smacks: Allow resumption if the TCP connection is closed from our end, c15cea87036f ensures distinction from cleanly closed streams (thanks Lance)
Kim Alvefur <zash@zash.se>
parents:
994
diff
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|
392 if session.smacks then |
257
08fa42e1ab06
mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
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|
393 if not session.resumption_token then |
08fa42e1ab06
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394 local queue = session.outgoing_stanza_queue; |
08fa42e1ab06
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|
395 if #queue > 0 then |
1405
26a2092e289f
mod_smacks: Log things attached to sessions instead of the module
Kim Alvefur <zash@zash.se>
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1343
diff
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|
396 session.log("warn", "Destroying session with %d unacked stanzas", #queue); |
257
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397 handle_unacked_stanzas(session); |
160
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398 end |
257
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diff
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|
399 else |
586
f733e7599ed6
mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
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parents:
576
diff
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|
400 session.log("debug", "mod_smacks hibernating session for up to %d seconds", resume_timeout); |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
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263
diff
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|
401 local hibernate_time = os_time(); -- Track the time we went into hibernation |
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263
diff
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402 session.hibernating = hibernate_time; |
478
db0f065c4e09
mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
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parents:
345
diff
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|
403 local resumption_token = session.resumption_token; |
2140
3a94b3cd31e2
mod_smacks: added new events for hibernation start/end
tmolitor <thilo@eightysoft.de>
parents:
2136
diff
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|
404 module:fire_event("smacks-hibernation-start", {origin = session, queue = session.outgoing_stanza_queue}); |
257
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405 timer.add_task(resume_timeout, function () |
586
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mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
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diff
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|
406 session.log("debug", "mod_smacks hibernation timeout reached..."); |
478
db0f065c4e09
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diff
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|
407 -- We need to check the current resumption token for this resource |
db0f065c4e09
mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
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345
diff
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408 -- matches the smacks session this timer is for in case it changed |
db0f065c4e09
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345
diff
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409 -- (for example, the client may have bound a new resource and |
db0f065c4e09
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parents:
345
diff
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410 -- started a new smacks session, or not be using smacks) |
810
464ed063a8f2
mod_smacks: Less table indexing!
Kim Alvefur <zash@zash.se>
parents:
757
diff
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|
411 local curr_session = full_sessions[session.full_jid]; |
1598
043d08448d87
mod_smacks: Remove negation of condition, most likely a leftover from debugging
Kim Alvefur <zash@zash.se>
parents:
1597
diff
changeset
|
412 if session.destroyed then |
987
fabff75bfc3f
mod_smacks: If a hibernating session was destroyed before the timeout, don't destroy it again or say that it was resumed
Kim Alvefur <zash@zash.se>
parents:
925
diff
changeset
|
413 session.log("debug", "The session has already been destroyed"); |
fabff75bfc3f
mod_smacks: If a hibernating session was destroyed before the timeout, don't destroy it again or say that it was resumed
Kim Alvefur <zash@zash.se>
parents:
925
diff
changeset
|
414 elseif curr_session and curr_session.resumption_token == resumption_token |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
415 -- Check the hibernate time still matches what we think it is, |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
416 -- otherwise the session resumed and re-hibernated. |
478
db0f065c4e09
mod_smacks: Don't destroy a session that binds the same resource as a hibernating smacks session (thanks xnyhps for tracking down the problem, though I've used a different fix)
Matthew Wild <mwild1@gmail.com>
parents:
345
diff
changeset
|
417 and session.hibernating == hibernate_time then |
586
f733e7599ed6
mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents:
576
diff
changeset
|
418 session.log("debug", "Destroying session for hibernating too long"); |
2596
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
419 session_registry.set(session.username, session.resumption_token, nil); |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
420 -- save only actual h value and username/host (for security) |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
421 old_session_registry.set(session.username, session.resumption_token, { |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
422 h = session.handled_stanza_count, |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
423 username = session.username, |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
424 host = session.host |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
425 }); |
257
08fa42e1ab06
mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents:
256
diff
changeset
|
426 session.resumption_token = nil; |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
427 sessionmanager.destroy_session(session); |
586
f733e7599ed6
mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents:
576
diff
changeset
|
428 else |
f733e7599ed6
mod_smacks: Add logging to hibernation and session destruction (thanks darkrain)
Matthew Wild <mwild1@gmail.com>
parents:
576
diff
changeset
|
429 session.log("debug", "Session resumed before hibernation timeout, all is well") |
257
08fa42e1ab06
mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents:
256
diff
changeset
|
430 end |
08fa42e1ab06
mod_smacks: Fixes for monkey-patched sessionmanager.destroy to handle stream resumption, and to fall back to stock destroy() if the session is not smacks-enabled.
Matthew Wild <mwild1@gmail.com>
parents:
256
diff
changeset
|
431 end); |
622
ce39df945de1
mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents:
595
diff
changeset
|
432 return true; -- Postpone destruction for now |
160
9a7671720dec
mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
433 end |
9a7671720dec
mod_smacks: XEP-0198 Stream Management acks. Initial commit - very rough, useful mainly for testing at the moment, most certainly contains bugs :)
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
434 end |
622
ce39df945de1
mod_smacks: Use pre-resource-unbind (0.9 feature) to fix reloadability and multiple host support
Matthew Wild <mwild1@gmail.com>
parents:
595
diff
changeset
|
435 end); |
345
445178d15b51
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Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
436 |
1732
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
437 local function handle_s2s_destroyed(event) |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
438 local session = event.session; |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
439 local queue = session.outgoing_stanza_queue; |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
440 if queue and #queue > 0 then |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
441 session.log("warn", "Destroying session with %d unacked stanzas", #queue); |
1881
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
442 if s2s_resend then |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
443 for i = 1, #queue do |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
444 module:send(queue[i]); |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
445 end |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
446 session.outgoing_stanza_queue = nil; |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
447 else |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
448 handle_unacked_stanzas(session); |
3683eb95bc1a
mod_smacks: Add experimental resending of unacked messages in s2s queues (disabled by default)
Kim Alvefur <zash@zash.se>
parents:
1733
diff
changeset
|
449 end |
1732
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
450 end |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
451 end |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
452 |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
453 module:hook("s2sout-destroyed", handle_s2s_destroyed); |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
454 module:hook("s2sin-destroyed", handle_s2s_destroyed); |
2f9ee9ed6267
mod_smacks: Handle unacked messages in s2s queues
Kim Alvefur <zash@zash.se>
parents:
1706
diff
changeset
|
455 |
1298
659da45a2b4b
mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1293
diff
changeset
|
456 function handle_resume(session, stanza, xmlns_sm) |
925
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
457 if session.full_jid then |
994
487cd02aada0
mod_smacks: Complain a little louder about clients trying to resume after resource binding
Kim Alvefur <zash@zash.se>
parents:
988
diff
changeset
|
458 session.log("warn", "Tried to resume after resource binding"); |
1298
659da45a2b4b
mod_smacks: Handle both version 2 and version 3 namespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1293
diff
changeset
|
459 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
925
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
460 :tag("unexpected-request", { xmlns = xmlns_errors }) |
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
461 ); |
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
462 return true; |
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
463 end |
720b8268778e
mod_smacks: Don't allow steam resumption onto a stream after resource binding
Kim Alvefur <zash@zash.se>
parents:
908
diff
changeset
|
464 |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
465 local id = stanza.attr.previd; |
2596
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
466 local original_session = session_registry.get(session.username, id); |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
467 if not original_session then |
588
8042558336b6
mod_smacks: Log message when client tries to resume unknown session
Matthew Wild <mwild1@gmail.com>
parents:
587
diff
changeset
|
468 session.log("debug", "Tried to resume non-existent session with id %s", id); |
2596
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
469 local old_session = old_session_registry.get(session.username, id); |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
470 if old_session and session.username == old_session.username |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
471 and session.host == old_session.host |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
472 and old_session.h then |
2937
e672d1050529
mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents:
2756
diff
changeset
|
473 session.send(st.stanza("failed", { xmlns = xmlns_sm, h = string.format("%d", old_session.h) }) |
2596
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
474 :tag("item-not-found", { xmlns = xmlns_errors }) |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
475 ); |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
476 else |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
477 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
478 :tag("item-not-found", { xmlns = xmlns_errors }) |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
479 ); |
ffb6646b4253
Implement XEP-0198 revision 1.5.2 and limit number of hibernated sessions per user
tmolitor <thilo@eightysoft.de>
parents:
2494
diff
changeset
|
480 end; |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
481 elseif session.username == original_session.username |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
482 and session.host == original_session.host then |
587
322a14acd974
mod_smacks: Add log message on resume
Matthew Wild <mwild1@gmail.com>
parents:
586
diff
changeset
|
483 session.log("debug", "mod_smacks resuming existing session..."); |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
484 -- TODO: All this should move to sessionmanager (e.g. session:replace(new_session)) |
623
c1f3958695ea
mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents:
622
diff
changeset
|
485 if original_session.conn then |
c1f3958695ea
mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents:
622
diff
changeset
|
486 session.log("debug", "mod_smacks closing an old connection for this session"); |
c1f3958695ea
mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents:
622
diff
changeset
|
487 local conn = original_session.conn; |
640
d87131b29bbd
mod_smacks: Remove dependency on connlisteners (use sessions table shared by mod_c2s directly)
Matthew Wild <mwild1@gmail.com>
parents:
625
diff
changeset
|
488 c2s_sessions[conn] = nil; |
623
c1f3958695ea
mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents:
622
diff
changeset
|
489 conn:close(); |
c1f3958695ea
mod_smacks: If a resumed session still has a connection open, close that connection before resuming
Matthew Wild <mwild1@gmail.com>
parents:
622
diff
changeset
|
490 end |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
491 original_session.ip = session.ip; |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
492 original_session.conn = session.conn; |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
493 original_session.send = session.send; |
2623
a65260300708
mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents:
2608
diff
changeset
|
494 original_session.close = session.close; |
1637
ad6694f7b13c
mod_smacks: Don't restore filters from original session after resumption, use new filters
Matthew Wild <mwild1@gmail.com>
parents:
1599
diff
changeset
|
495 original_session.filter = session.filter; |
1706
e4867211cddb
mod_smacks: Set session upvalue of filter() to correct session
Kim Alvefur <zash@zash.se>
parents:
1705
diff
changeset
|
496 original_session.filter.session = original_session; |
1705
6fa220a9f36d
mod_smacks: Move set of filters from new session to session being resumed
Kim Alvefur <zash@zash.se>
parents:
1704
diff
changeset
|
497 original_session.filters = session.filters; |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
498 original_session.stream = session.stream; |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
499 original_session.secure = session.secure; |
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
500 original_session.hibernating = nil; |
1520
2881d532f385
mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents:
1518
diff
changeset
|
501 wrap_session(original_session, true); |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
502 -- Inform xmppstream of the new session (passed to its callbacks) |
1520
2881d532f385
mod_smacks: Use filters for queuing outgoing stanzas instead of wrapping session.send()
Kim Alvefur <zash@zash.se>
parents:
1518
diff
changeset
|
503 original_session.stream:set_session(original_session); |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
504 -- Similar for connlisteners |
640
d87131b29bbd
mod_smacks: Remove dependency on connlisteners (use sessions table shared by mod_c2s directly)
Matthew Wild <mwild1@gmail.com>
parents:
625
diff
changeset
|
505 c2s_sessions[session.conn] = original_session; |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
506 |
2623
a65260300708
mod_smacks: Made module more error resistant
tmolitor <thilo@eightysoft.de>
parents:
2608
diff
changeset
|
507 original_session.send(st.stanza("resumed", { xmlns = xmlns_sm, |
2937
e672d1050529
mod_smacks: Ensure stanza count attributes are always strings (thanks Martin)
Matthew Wild <mwild1@gmail.com>
parents:
2756
diff
changeset
|
508 h = string.format("%d", original_session.handled_stanza_count), previd = id })); |
1343
7dbde05b48a9
all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents:
1325
diff
changeset
|
509 |
345
445178d15b51
mod_smacks: Merge mod_fastreconnect (resumption support), fix a number of bugs, refactor the code and add some more comments to explain process
Matthew Wild <mwild1@gmail.com>
parents:
263
diff
changeset
|
510 -- Fake an <a> with the h of the <resume/> from the client |
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511 original_session:dispatch_stanza(st.stanza("a", { xmlns = xmlns_sm, |
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512 h = stanza.attr.h })); |
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513 |
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514 -- Ok, we need to re-send any stanzas that the client didn't see |
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515 -- ...they are what is now left in the outgoing stanza queue |
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516 local queue = original_session.outgoing_stanza_queue; |
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517 original_session.log("debug", "#queue = %d", #queue); |
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518 for i=1,#queue do |
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519 original_session.send(queue[i]); |
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520 end |
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521 original_session.log("debug", "#queue = %d -- after send", #queue); |
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522 function session.send(stanza) |
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523 session.log("warn", "Tried to send stanza on old session migrated by smacks resume (maybe there is a bug?): %s", tostring(stanza)); |
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524 return false; |
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525 end |
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526 module:fire_event("smacks-hibernation-end", {origin = session, resumed = original_session, queue = queue}); |
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527 request_ack_if_needed(original_session, true); |
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528 else |
755 | 529 module:log("warn", "Client %s@%s[%s] tried to resume stream for %s@%s[%s]", |
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530 session.username or "?", session.host or "?", session.type, |
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531 original_session.username or "?", original_session.host or "?", original_session.type); |
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532 session.send(st.stanza("failed", { xmlns = xmlns_sm }) |
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533 :tag("not-authorized", { xmlns = xmlns_errors })); |
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534 end |
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535 return true; |
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536 end |
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537 module:hook_stanza(xmlns_sm2, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm2); end); |
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538 module:hook_stanza(xmlns_sm3, "resume", function (session, stanza) return handle_resume(session, stanza, xmlns_sm3); end); |
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539 |
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540 local function handle_read_timeout(event) |
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541 local session = event.session; |
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542 if session.smacks then |
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543 if session.awaiting_ack then |
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544 if session.awaiting_ack_timer then |
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545 session.awaiting_ack_timer:stop(); |
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546 end |
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547 if session.delayed_ack_timer then |
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548 session.delayed_ack_timer:stop(); |
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549 session.delayed_ack_timer = nil; |
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550 end |
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551 return false; -- Kick the session |
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552 end |
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553 session.log("debug", "Sending <r> (read timeout)"); |
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554 session.awaiting_ack = false; |
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555 (session.sends2s or session.send)(st.stanza("r", { xmlns = session.smacks })); |
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556 session.awaiting_ack = true; |
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557 if not session.delayed_ack_timer then |
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558 session.delayed_ack_timer = stoppable_timer(delayed_ack_timeout, function() |
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559 delayed_ack_function(session); |
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560 end); |
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561 end |
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562 return true; |
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563 end |
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564 end |
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565 |
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566 module:hook("s2s-read-timeout", handle_read_timeout); |
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567 module:hook("c2s-read-timeout", handle_read_timeout); |