prosody
0a9d6eec6a8f
plugins/mod_csi_simple.lua

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plugins/mod_csi_simple.lua @ 11416:0a9d6eec6a8f

doap: Add RFC 7673 Supported in the DNS layer, this isn't RFC about how to use it in XMPP.
author Kim Alvefur <zash@zash.se>
date Tue, 02 Mar 2021 22:57:20 +0100
parent 11401:228bd43fbc3d
child 11425:fc7706fe115d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Copyright (C) 2016-2020 Kim Alvefur
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2 --
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3 -- This project is MIT/X11 licensed. Please see the
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4 -- COPYING file in the source package for more information.
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5 --
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6
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7 module:depends"csi"
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8
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9 local jid = require "util.jid";
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10 local st = require "util.stanza";
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11 local dt = require "util.datetime";
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12 local filters = require "util.filters";
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13
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14 local queue_size = module:get_option_number("csi_queue_size", 256);
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15
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16 local important_payloads = module:get_option_set("csi_important_payloads", { });
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17
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18 function is_important(stanza) --> boolean, reason: string
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19 if stanza == " " then
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20 return true, "whitespace keepalive";
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21 elseif type(stanza) == "string" then
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22 return true, "raw data";
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23 elseif not st.is_stanza(stanza) then
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24 -- This should probably never happen
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25 return true, type(stanza);
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26 end
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27 if stanza.attr.xmlns ~= nil then
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28 -- stream errors, stream management etc
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29 return true, "nonza";
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30 end
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31 local st_name = stanza.name;
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32 if not st_name then return false; end
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33 local st_type = stanza.attr.type;
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34 if st_name == "presence" then
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35 if st_type == nil or st_type == "unavailable" or st_type == "error" then
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36 return false, "presence update";
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37 end
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38 -- TODO Some MUC awareness, e.g. check for the 'this relates to you' status code
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39 return true, "subscription request";
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40 elseif st_name == "message" then
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41 if st_type == "headline" then
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42 -- Headline messages are ephemeral by definition
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43 return false, "headline";
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44 end
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45 if st_type == "error" then
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46 return true, "delivery failure";
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47 end
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48 if stanza:get_child("sent", "urn:xmpp:carbons:2") then
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49 return true, "carbon";
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50 end
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51 local forwarded = stanza:find("{urn:xmpp:carbons:2}received/{urn:xmpp:forward:0}/{jabber:client}message");
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52 if forwarded then
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53 stanza = forwarded;
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54 end
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55 if stanza:get_child("body") then
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56 return true, "body";
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57 end
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58 if stanza:get_child("subject") then
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59 -- Last step of a MUC join
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60 return true, "subject";
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61 end
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62 if stanza:get_child("encryption", "urn:xmpp:eme:0") then
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63 -- Since we can't know what an encrypted message contains, we assume it's important
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64 -- XXX Experimental XEP
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65 return true, "encrypted";
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66 end
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67 if stanza:get_child("x", "jabber:x:conference") or stanza:find("{http://jabber.org/protocol/muc#user}x/invite") then
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68 return true, "invite";
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69 end
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70 if stanza:get_child(nil, "urn:xmpp:jingle-message:0") then
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71 -- XXX Experimental XEP
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72 return true, "jingle call";
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73 end
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74 for important in important_payloads do
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75 if stanza:find(important) then
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76 return true;
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77 end
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78 end
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79 return false;
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80 elseif st_name == "iq" then
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81 return true;
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82 end
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83 end
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84
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85 module:hook("csi-is-stanza-important", function (event)
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86 local important, why = is_important(event.stanza);
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87 event.reason = why;
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88 return important;
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89 end, -1);
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90
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91 local function should_flush(stanza, session, ctr) --> boolean, reason: string
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92 if ctr >= queue_size then
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93 return true, "queue size limit reached";
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94 end
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95 local event = { stanza = stanza, session = session };
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96 local ret = module:fire_event("csi-is-stanza-important", event)
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97 return ret, event.reason;
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98 end
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99
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100 local function with_timestamp(stanza, from)
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101 if st.is_stanza(stanza) and stanza.attr.xmlns == nil and stanza.name ~= "iq" then
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102 stanza = st.clone(stanza);
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103 stanza:add_direct_child(st.stanza("delay", {xmlns = "urn:xmpp:delay", from = from, stamp = dt.datetime()}));
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104 end
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105 return stanza;
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106 end
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107
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108 local measure_buffer_hold = module:measure("buffer_hold", "times");
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109
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110 local flush_reasons = setmetatable({}, {
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111 __index = function (t, reason)
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112 local m = module:measure("flush_reason."..reason:gsub("%W", "_"), "rate");
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113 t[reason] = m;
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114 return m;
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115 end;
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116 });
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117
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118
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119 local function manage_buffer(stanza, session)
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120 local ctr = session.csi_counter or 0;
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121 local flush, why = should_flush(stanza, session, ctr);
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122 if flush then
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
123 if session.csi_measure_buffer_hold then
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
124 session.csi_measure_buffer_hold();
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
125 session.csi_measure_buffer_hold = nil;
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
126 end
10830
8889d5037aca mod_csi_simple: Collect stats on flush reasons
Kim Alvefur <zash@zash.se>
parents: 10829
diff changeset
127 flush_reasons[why or "important"]();
10806
24e2b571d29a mod_csi_simple: Refactor to allow logging reason for buffer flush
Kim Alvefur <zash@zash.se>
parents: 10801
diff changeset
128 session.log("debug", "Flushing buffer (%s; queue size is %d)", why or "important", session.csi_counter);
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
129 session.conn:resume_writes();
11379
5c820553ef82 mod_csi_simple: Set session state to 'flushing' while doing so
Kim Alvefur <zash@zash.se>
parents: 11260
diff changeset
130 session.state = "flushing";
11380
9a1758c5aaa4 mod_csi_simple: Fire event when flushing queue
Kim Alvefur <zash@zash.se>
parents: 11379
diff changeset
131 module:fire_event("csi-flushing", { session = session });
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
132 else
10808
0d365c0ee9fe mod_csi_simple: Log reasons for not flushing
Kim Alvefur <zash@zash.se>
parents: 10807
diff changeset
133 session.log("debug", "Holding buffer (%s; queue size is %d)", why or "unimportant", session.csi_counter);
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
134 stanza = with_timestamp(stanza, jid.join(session.username, session.host))
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
135 end
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
136 session.csi_counter = ctr + 1;
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
137 return stanza;
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
138 end
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
139
9913
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
140 local function flush_buffer(data, session)
10828
c12ed21f877e mod_csi_simple: Change debug message of client-triggered flush for coherence
Kim Alvefur <zash@zash.se>
parents: 10827
diff changeset
141 session.log("debug", "Flushing buffer (%s; queue size is %d)", "client activity", session.csi_counter);
10830
8889d5037aca mod_csi_simple: Collect stats on flush reasons
Kim Alvefur <zash@zash.se>
parents: 10829
diff changeset
142 flush_reasons["client activity"]();
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
143 if session.csi_measure_buffer_hold then
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
144 session.csi_measure_buffer_hold();
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
145 session.csi_measure_buffer_hold = nil;
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
146 end
9913
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
147 session.conn:resume_writes();
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
148 return data;
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
149 end
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
150
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
151 function enable_optimizations(session)
10277
45a58127a3e5 mod_csi_simple: Remove duplicated check for connection
Kim Alvefur <zash@zash.se>
parents: 10025
diff changeset
152 if session.conn and session.conn.pause_writes then
9909
3229be01a08a mod_csi_simple: Use write locks in net.server if available
Kim Alvefur <zash@zash.se>
parents: 9771
diff changeset
153 session.conn:pause_writes();
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
154 session.csi_measure_buffer_hold = measure_buffer_hold();
10827
d8e83d94a99a mod_csi_simple: Reset queue counter to zero when enabling
Kim Alvefur <zash@zash.se>
parents: 10826
diff changeset
155 session.csi_counter = 0;
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
156 filters.add_filter(session, "stanzas/out", manage_buffer);
9913
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
157 filters.add_filter(session, "bytes/in", flush_buffer);
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 else
9917
45b5528b128a mod_csi_simple: Remove old "pump" queue/buffer method, handled in net.server now
Kim Alvefur <zash@zash.se>
parents: 9914
diff changeset
159 session.log("warn", "Session connection does not support write pausing");
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
161 end
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
163 function disable_optimizations(session)
10303
c434bff22b14 mod_csi_simple: Always remove session filters when disabling CSI
Kim Alvefur <zash@zash.se>
parents: 10302
diff changeset
164 filters.remove_filter(session, "stanzas/out", manage_buffer);
c434bff22b14 mod_csi_simple: Always remove session filters when disabling CSI
Kim Alvefur <zash@zash.se>
parents: 10302
diff changeset
165 filters.remove_filter(session, "bytes/in", flush_buffer);
10826
4f7226d5ee30 mod_csi_simple: Forget queue counter when disabling optimizations
Kim Alvefur <zash@zash.se>
parents: 10825
diff changeset
166 session.csi_counter = nil;
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
167 if session.csi_measure_buffer_hold then
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
168 session.csi_measure_buffer_hold();
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
169 session.csi_measure_buffer_hold = nil;
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
170 end
10277
45a58127a3e5 mod_csi_simple: Remove duplicated check for connection
Kim Alvefur <zash@zash.se>
parents: 10025
diff changeset
171 if session.conn and session.conn.resume_writes then
9909
3229be01a08a mod_csi_simple: Use write locks in net.server if available
Kim Alvefur <zash@zash.se>
parents: 9771
diff changeset
172 session.conn:resume_writes();
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 end
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
174 end
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
175
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 module:hook("csi-client-inactive", function (event)
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 local session = event.origin;
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
178 enable_optimizations(session);
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 module:hook("csi-client-active", function (event)
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 local session = event.origin;
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
183 disable_optimizations(session);
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185
10025
4498f601516d mod_csi_simple: Disable optimizations on disconnect (fixes #1358)
Kim Alvefur <zash@zash.se>
parents: 9923
diff changeset
186 module:hook("pre-resource-unbind", function (event)
4498f601516d mod_csi_simple: Disable optimizations on disconnect (fixes #1358)
Kim Alvefur <zash@zash.se>
parents: 9923
diff changeset
187 local session = event.session;
4498f601516d mod_csi_simple: Disable optimizations on disconnect (fixes #1358)
Kim Alvefur <zash@zash.se>
parents: 9923
diff changeset
188 disable_optimizations(session);
10414
51ebfdeccad7 mod_csi_simple: Make sure to disable optimizations before mod_smacks (thanks pep.)
Kim Alvefur <zash@zash.se>
parents: 10303
diff changeset
189 end, 1);
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
190
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
191 module:hook("c2s-ondrain", function (event)
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
192 local session = event.session;
11379
5c820553ef82 mod_csi_simple: Set session state to 'flushing' while doing so
Kim Alvefur <zash@zash.se>
parents: 11260
diff changeset
193 if (session.state == "flushing" or session.state == "inactive") and session.conn and session.conn.pause_writes then
5c820553ef82 mod_csi_simple: Set session state to 'flushing' while doing so
Kim Alvefur <zash@zash.se>
parents: 11260
diff changeset
194 session.state = "inactive";
9923
e83dfcdeab59 mod_csi_simple: Include queue size in debug messages
Kim Alvefur <zash@zash.se>
parents: 9922
diff changeset
195 session.conn:pause_writes();
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
196 session.csi_measure_buffer_hold = measure_buffer_hold();
9923
e83dfcdeab59 mod_csi_simple: Include queue size in debug messages
Kim Alvefur <zash@zash.se>
parents: 9922
diff changeset
197 session.log("debug", "Buffer flushed, resuming inactive mode (queue size was %d)", session.csi_counter);
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
198 session.csi_counter = 0;
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 end
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201
9919
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
202 function module.load()
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
203 for _, user_session in pairs(prosody.hosts[module.host].sessions) do
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
204 for _, session in pairs(user_session.sessions) do
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
205 if session.state == "inactive" then
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
206 enable_optimizations(session);
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
207 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
208 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
209 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
210 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
211
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
212 function module.unload()
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
213 for _, user_session in pairs(prosody.hosts[module.host].sessions) do
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
214 for _, session in pairs(user_session.sessions) do
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
215 if session.state == "inactive" then
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
216 disable_optimizations(session);
9919
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
217 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
218 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
219 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
220 end
11401
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
221
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
222 function module.command(arg)
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
223 if arg[1] ~= "test" then
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
224 print("Usage: "..module.name.." test < test-stream.xml")
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
225 print("");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
226 print("Provide a series of stanzas to test against importance algoritm");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
227 return 1;
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
228 end
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
229 -- luacheck: ignore 212/self
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
230 local xmppstream = require "util.xmppstream";
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
231 local input_session = { notopen = true }
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
232 local stream_callbacks = { stream_ns = "jabber:client", default_ns = "jabber:client" };
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
233 function stream_callbacks:handlestanza(stanza)
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
234 local important, because = is_important(stanza);
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
235 print("--");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
236 print(stanza:indent(nil, " "));
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
237 -- :pretty_print() maybe?
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
238 if important then
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
239 print((because or "unspecified reason").. " -> important");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
240 else
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
241 print((because or "unspecified reason").. " -> unimportant");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
242 end
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
243 end
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
244 local input_stream = xmppstream.new(input_session, stream_callbacks);
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
245 input_stream:reset();
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
246 input_stream:feed(st.stanza("stream", { xmlns = "jabber:client" }):top_tag());
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
247 input_session.notopen = nil;
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
248
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
249 for line in io.lines() do
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
250 input_stream:feed(line);
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
251 end
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
diff changeset
252 end