prosody
82f6a0b0a425
plugins/mod_csi_simple.lua

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plugins/mod_csi_simple.lua @ 12037:82f6a0b0a425

tools/generate_format_spec: Apply lua-format to silence luacheck
author Kim Alvefur <zash@zash.se>
date Sat, 11 Dec 2021 20:58:09 +0100
parent 11928:16cf863b36c0
child 12234:1c47162dd965
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 local timer = require "util.timer";
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14
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15 local queue_size = module:get_option_number("csi_queue_size", 256);
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16 local resume_delay = module:get_option_number("csi_resume_inactive_delay", 5);
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17
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18 local important_payloads = module:get_option_set("csi_important_payloads", { });
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19
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20 function is_important(stanza) --> boolean, reason: string
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21 if stanza == " " then
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22 return true, "whitespace keepalive";
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23 elseif type(stanza) == "string" then
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24 return true, "raw data";
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25 elseif not st.is_stanza(stanza) then
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26 -- This should probably never happen
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27 return true, type(stanza);
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28 end
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29 if stanza.attr.xmlns ~= nil then
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30 -- stream errors, stream management etc
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31 return true, "nonza";
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32 end
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33 local st_name = stanza.name;
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34 if not st_name then return false; end
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35 local st_type = stanza.attr.type;
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36 if st_name == "presence" then
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37 if st_type == nil or st_type == "unavailable" or st_type == "error" then
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38 return false, "presence update";
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39 end
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40 -- TODO Some MUC awareness, e.g. check for the 'this relates to you' status code
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41 return true, "subscription request";
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42 elseif st_name == "message" then
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43 if st_type == "headline" then
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44 -- Headline messages are ephemeral by definition
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45 return false, "headline";
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46 end
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47 if st_type == "error" then
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48 return true, "delivery failure";
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49 end
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50 if stanza:get_child("sent", "urn:xmpp:carbons:2") then
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51 return true, "carbon";
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52 end
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53 local forwarded = stanza:find("{urn:xmpp:carbons:2}received/{urn:xmpp:forward:0}/{jabber:client}message");
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54 if forwarded then
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55 stanza = forwarded;
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56 end
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57 if stanza:get_child("body") then
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58 return true, "body";
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59 end
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60 if stanza:get_child("subject") then
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61 -- Last step of a MUC join
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62 return true, "subject";
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63 end
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64 if stanza:get_child("encryption", "urn:xmpp:eme:0") then
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65 -- Since we can't know what an encrypted message contains, we assume it's important
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66 -- XXX Experimental XEP
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67 return true, "encrypted";
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68 end
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69 if stanza:get_child("x", "jabber:x:conference") or stanza:find("{http://jabber.org/protocol/muc#user}x/invite") then
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70 return true, "invite";
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71 end
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72 if stanza:get_child(nil, "urn:xmpp:jingle-message:0") then
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73 -- XXX Experimental XEP
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74 return true, "jingle call";
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75 end
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76 for important in important_payloads do
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77 if stanza:find(important) then
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78 return true;
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79 end
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80 end
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81 return false;
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82 elseif st_name == "iq" then
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83 return true;
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84 end
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85 end
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86
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87 module:hook("csi-is-stanza-important", function (event)
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88 local important, why = is_important(event.stanza);
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89 event.reason = why;
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90 return important;
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91 end, -1);
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92
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93 local function should_flush(stanza, session, ctr) --> boolean, reason: string
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94 if ctr >= queue_size then
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95 return true, "queue size limit reached";
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96 end
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97 local event = { stanza = stanza, session = session };
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98 local ret = module:fire_event("csi-is-stanza-important", event)
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99 return ret, event.reason;
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100 end
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101
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102 local function with_timestamp(stanza, from)
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103 if st.is_stanza(stanza) and stanza.attr.xmlns == nil and stanza.name ~= "iq" then
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104 stanza = st.clone(stanza);
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105 stanza:add_direct_child(st.stanza("delay", {xmlns = "urn:xmpp:delay", from = from, stamp = dt.datetime()}));
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106 end
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107 return stanza;
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108 end
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109
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110 local measure_buffer_hold = module:measure("buffer_hold", "times",
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111 { buckets = { 0.1; 1; 5; 10; 15; 30; 60; 120; 180; 300; 600; 900 } });
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112
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113 local flush_reasons = module:metric(
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114 "counter", "flushes", "",
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115 "CSI queue flushes",
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116 { "reason" }
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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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8f7946ce7d66 mod_csi_simple: Only act in inactive mode to prevent infinite recursion
Kim Alvefur <zash@zash.se>
parents: 11913
diff changeset
121 if session.state ~= "inactive" then
8f7946ce7d66 mod_csi_simple: Only act in inactive mode to prevent infinite recursion
Kim Alvefur <zash@zash.se>
parents: 11913
diff changeset
122 session.csi_counter = ctr + 1;
8f7946ce7d66 mod_csi_simple: Only act in inactive mode to prevent infinite recursion
Kim Alvefur <zash@zash.se>
parents: 11913
diff changeset
123 return stanza;
8f7946ce7d66 mod_csi_simple: Only act in inactive mode to prevent infinite recursion
Kim Alvefur <zash@zash.se>
parents: 11913
diff changeset
124 end
10806
24e2b571d29a mod_csi_simple: Refactor to allow logging reason for buffer flush
Kim Alvefur <zash@zash.se>
parents: 10801
diff changeset
125 local flush, why = should_flush(stanza, session, ctr);
24e2b571d29a mod_csi_simple: Refactor to allow logging reason for buffer flush
Kim Alvefur <zash@zash.se>
parents: 10801
diff changeset
126 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
127 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
128 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
129 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
130 end
11573
cb5748f94840 mod_csi_simple: convert to use new metric interface for flush reasons
Jonas Schäfer <jonas@wielicki.name>
parents: 11425
diff changeset
131 flush_reasons:with_labels(why or "important"):add(1);
10806
24e2b571d29a mod_csi_simple: Refactor to allow logging reason for buffer flush
Kim Alvefur <zash@zash.se>
parents: 10801
diff changeset
132 session.log("debug", "Flushing buffer (%s; queue size is %d)", why or "important", session.csi_counter);
11379
5c820553ef82 mod_csi_simple: Set session state to 'flushing' while doing so
Kim Alvefur <zash@zash.se>
parents: 11260
diff changeset
133 session.state = "flushing";
11380
9a1758c5aaa4 mod_csi_simple: Fire event when flushing queue
Kim Alvefur <zash@zash.se>
parents: 11379
diff changeset
134 module:fire_event("csi-flushing", { session = session });
11913
75d69e4c54a2 mod_csi_simple: Unlock writes after event, to allow things to be queued
Kim Alvefur <zash@zash.se>
parents: 11834
diff changeset
135 session.conn:resume_writes();
9912
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
136 else
10808
0d365c0ee9fe mod_csi_simple: Log reasons for not flushing
Kim Alvefur <zash@zash.se>
parents: 10807
diff changeset
137 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
138 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
139 end
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
140 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
141 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
142 end
601f9781a605 mod_csi_simple: Count buffered items and flush when it reaches configured limit
Kim Alvefur <zash@zash.se>
parents: 9911
diff changeset
143
9913
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
144 local function flush_buffer(data, session)
11919
fae5441fc6cf mod_csi_simple: Skip flushing of empty buffer
Kim Alvefur <zash@zash.se>
parents: 11918
diff changeset
145 local ctr = session.csi_counter or 0;
11928
16cf863b36c0 mod_csi_simple: Skip initiating flush in all but inactive state
Kim Alvefur <zash@zash.se>
parents: 11927
diff changeset
146 if ctr == 0 or session.state ~= "inactive" then return data end
10828
c12ed21f877e mod_csi_simple: Change debug message of client-triggered flush for coherence
Kim Alvefur <zash@zash.se>
parents: 10827
diff changeset
147 session.log("debug", "Flushing buffer (%s; queue size is %d)", "client activity", session.csi_counter);
11918
2dc3bc5e137a mod_csi_simple: Fire event when flushing due to client activity
Kim Alvefur <zash@zash.se>
parents: 11916
diff changeset
148 session.state = "flushing";
2dc3bc5e137a mod_csi_simple: Fire event when flushing due to client activity
Kim Alvefur <zash@zash.se>
parents: 11916
diff changeset
149 module:fire_event("csi-flushing", { session = session });
11573
cb5748f94840 mod_csi_simple: convert to use new metric interface for flush reasons
Jonas Schäfer <jonas@wielicki.name>
parents: 11425
diff changeset
150 flush_reasons:with_labels("client activity"):add(1);
10829
67a09706e56e mod_csi_simple: Record stats of how long buffers are held
Kim Alvefur <zash@zash.se>
parents: 10828
diff changeset
151 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
152 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
153 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
154 end
9913
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
155 session.conn:resume_writes();
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
156 return data;
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
157 end
7d78b24d8449 mod_csi_simple: Trigger buffer flush on seeing incoming data
Kim Alvefur <zash@zash.se>
parents: 9912
diff changeset
158
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
159 function enable_optimizations(session)
10277
45a58127a3e5 mod_csi_simple: Remove duplicated check for connection
Kim Alvefur <zash@zash.se>
parents: 10025
diff changeset
160 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
161 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
162 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
163 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
164 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
165 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
166 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
167 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
168 end
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
169 end
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
171 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
172 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
173 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
174 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
175 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
176 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
177 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
178 end
10277
45a58127a3e5 mod_csi_simple: Remove duplicated check for connection
Kim Alvefur <zash@zash.se>
parents: 10025
diff changeset
179 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
180 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
181 end
9918
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
182 end
6e9dcec259d0 mod_csi_simple: Separate out functions to enable/disable optimizations
Kim Alvefur <zash@zash.se>
parents: 9917
diff changeset
183
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 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
185 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
186 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
187 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 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
190 local session = event.origin;
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
191 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
192 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193
10025
4498f601516d mod_csi_simple: Disable optimizations on disconnect (fixes #1358)
Kim Alvefur <zash@zash.se>
parents: 9923
diff changeset
194 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
195 local session = event.session;
4498f601516d mod_csi_simple: Disable optimizations on disconnect (fixes #1358)
Kim Alvefur <zash@zash.se>
parents: 9923
diff changeset
196 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
197 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
198
11926
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
199 local function resume_optimizations(_, _, session)
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
200 if (session.state == "flushing" or session.state == "inactive") and session.conn and session.conn.pause_writes then
11379
5c820553ef82 mod_csi_simple: Set session state to 'flushing' while doing so
Kim Alvefur <zash@zash.se>
parents: 11260
diff changeset
201 session.state = "inactive";
9923
e83dfcdeab59 mod_csi_simple: Include queue size in debug messages
Kim Alvefur <zash@zash.se>
parents: 9922
diff changeset
202 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
203 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
204 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
205 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
206 end
11926
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
207 session.csi_resume = nil;
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
208 end
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
209
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
210 module:hook("c2s-ondrain", function (event)
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
211 local session = event.session;
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
212 if (session.state == "flushing" or session.state == "inactive") and session.conn and session.conn.pause_writes then
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
213 -- After flushing, remain in pseudo-flushing state for a moment to allow
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
214 -- some followup traffic, iq replies, smacks acks to be sent without having
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
215 -- to go back and forth between inactive and flush mode.
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
216 if not session.csi_resume then
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
217 session.csi_resume = timer.add_task(resume_delay, resume_optimizations, session);
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
218 end
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
219 -- Should further noise in this short grace period push back the delay?
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
220 -- Probably not great if the session can be kept in pseudo-active mode
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
221 -- indefinitely.
99444bf26a3d mod_csi_simple: Allow some straggler traffic after flushing buffer
Kim Alvefur <zash@zash.se>
parents: 11919
diff changeset
222 end
9589
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 end);
aeb054ee88c5 mod_csi_simple: Import modified version of mod_csi_pump from prosody-modules
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224
9919
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
225 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
226 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
227 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
228 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
229 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
230 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
231 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
232 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
233 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
234
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
235 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
236 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
237 for _, session in pairs(user_session.sessions) do
11916
5dae9262f81f mod_csi_simple: Detach cleanly from sessions if unloaded while flushing
Kim Alvefur <zash@zash.se>
parents: 11914
diff changeset
238 if session.state and session.state ~= "active" then
9922
06bf5ccd859f mod_csi_simple: Fix type in function name
Matthew Wild <mwild1@gmail.com>
parents: 9921
diff changeset
239 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
240 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
241 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
parents: 9918
diff changeset
242 end
d602a495409b mod_csi_simple: Disable optimizations on unload and re-enable on load
Kim Alvefur <zash@zash.se>
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243 end
11401
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parents: 11380
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244
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245 function module.command(arg)
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246 if arg[1] ~= "test" then
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
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parents: 11380
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247 print("Usage: "..module.name.." test < test-stream.xml")
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
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248 print("");
11425
fc7706fe115d mod_csi_simple: s/algoritm/algorithm/ [codespell]
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249 print("Provide a series of stanzas to test against importance algorithm");
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250 return 1;
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251 end
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parents: 11380
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252 -- luacheck: ignore 212/self
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Kim Alvefur <zash@zash.se>
parents: 11380
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253 local xmppstream = require "util.xmppstream";
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254 local input_session = { notopen = true }
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parents: 11380
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255 local stream_callbacks = { stream_ns = "jabber:client", default_ns = "jabber:client" };
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parents: 11380
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256 function stream_callbacks:handlestanza(stanza)
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parents: 11380
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257 local important, because = is_important(stanza);
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parents: 11380
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258 print("--");
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
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parents: 11380
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259 print(stanza:indent(nil, " "));
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parents: 11380
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260 -- :pretty_print() maybe?
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parents: 11380
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261 if important then
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
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262 print((because or "unspecified reason").. " -> important");
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parents: 11380
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263 else
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
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parents: 11380
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264 print((because or "unspecified reason").. " -> unimportant");
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parents: 11380
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265 end
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parents: 11380
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266 end
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Kim Alvefur <zash@zash.se>
parents: 11380
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267 local input_stream = xmppstream.new(input_session, stream_callbacks);
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parents: 11380
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268 input_stream:reset();
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Kim Alvefur <zash@zash.se>
parents: 11380
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269 input_stream:feed(st.stanza("stream", { xmlns = "jabber:client" }):top_tag());
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Kim Alvefur <zash@zash.se>
parents: 11380
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270 input_session.notopen = nil;
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parents: 11380
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271
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
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272 for line in io.lines() do
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parents: 11380
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273 input_stream:feed(line);
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parents: 11380
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274 end
228bd43fbc3d mod_csi_simple: Add command to test importance algorithm on stream of stanzas
Kim Alvefur <zash@zash.se>
parents: 11380
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275 end