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annotate mod_statistics/mod_statistics.lua @ 4797:1539ae696613

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mod_bind2: Silence [luacheck] warning
author Kim Alvefur <zash@zash.se>
date Sun, 28 Nov 2021 20:07:15 +0100
parents 66bda434d476
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 module:set_global();
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2
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3 local stats = module:require("mod_statistics/stats");
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4 local filters = require "util.filters";
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5 local serialize = require "util.serialization".serialize;
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6
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7 local cached_values = {};
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8
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9 local sessions = {};
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10
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11 local function push_stat(conn, name, value)
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12 local value_str = serialize(value);
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13 return conn:write((("STAT %q (%s)\n"):format(name, value_str):gsub("\\\n", "\\n")));
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14 end
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15
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16 local function push_stat_to_all(name, value)
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17 for conn in pairs(sessions) do
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18 push_stat(conn, name, value);
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19 end
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20 end
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21
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22 local session_stats_tpl = ([[{
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23 message_in = %d, message_out = %d;
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24 presence_in = %d, presence_out = %d;
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25 iq_in = %d, iq_out = %d;
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26 bytes_in = %d, bytes_out = %d;
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27 }]]):gsub("%s", "");
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29
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30 local jid_fields = {
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31 c2s = "full_jid";
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32 s2sin = "from_host";
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33 s2sout = "to_host";
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34 component = "host";
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35 };
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36
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37 local function push_session_to_all(session, stats)
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38 local id = tostring(session):match("[a-f0-9]+$"); -- FIXME: Better id? :/
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39 local stanzas_in, stanzas_out = stats.stanzas_in, stats.stanzas_out;
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40 local s = (session_stats_tpl):format(
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41 stanzas_in.message, stanzas_out.message,
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42 stanzas_in.presence, stanzas_out.presence,
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43 stanzas_in.iq, stanzas_out.iq,
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44 stats.bytes_in, stats.bytes_out);
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45 local jid = session[jid_fields[session.type]] or "";
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46 for conn in pairs(sessions) do
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47 conn:write(("SESS %q %q %s\n"):format(id, jid, s));
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48 end
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49 end
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50
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51 local available_stats = stats.stats;
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52 local active_sessions = stats.active_sessions;
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53
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54 -- Handle statistics provided by other modules
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55 local function item_handlers(host)
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56 host = host and (host.."/") or "";
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57
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58 return function (event) -- Added
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59 local stats = event.item.statistics;
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60 local group = host..(stats.name and (stats.name.."::") or "");
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61 for name, stat in pairs(stats) do
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62 available_stats[group..name] = stat;
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63 end
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64 end, function (event) -- Removed
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65 local stats = event.item.statistics;
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66 local group = host..(stats.name and (stats.name.."::") or "");
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67 for name, stat in pairs(stats) do
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68 available_stats[group..name] = nil;
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69 end
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70 end;
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71 end
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72
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73 module:handle_items("statistics-provider", item_handlers());
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74 function module.add_host(module)
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75 module:handle_items("statistics-provider", item_handlers(module.host));
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76 end
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77
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78 -- Network listener
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79 local listener = {};
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80
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81 function listener.onconnect(conn)
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82 sessions[conn] = {};
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83 push_stat(conn, "version", prosody.version);
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84 for name, value in pairs(cached_values) do
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85 push_stat(conn, name, value);
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86 end
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87 conn:write("\n"); -- Signal end of first batch (for non-streaming clients)
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88 end
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89
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90 function listener.onincoming(conn, data)
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91 end
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92
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93 function listener.ondisconnect(conn)
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94 sessions[conn] = nil;
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95 end
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96
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97 function listener.onreadtimeout()
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98 return true;
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99 end
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100
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101 function module.load()
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102 if not(prosody and prosody.arg) then
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103 return;
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104 end
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105 filters.add_filter_hook(stats.filter_hook);
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106
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107 module:add_timer(1, function ()
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108 for stat_name, stat in pairs(available_stats) do
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109 if stat.get then
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110 local cached = cached_values[stat_name];
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111 local new_value = stat.get();
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112 if new_value ~= cached then
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113 push_stat_to_all(stat_name, new_value);
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114 cached_values[stat_name] = new_value;
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115 end
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116 end
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117 end
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118 for session, session_stats in pairs(active_sessions) do
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119 active_sessions[session] = nil;
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120 push_session_to_all(session, session_stats);
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121 end
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122 return 1;
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123 end);
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7dbde05b48a9 all the things: Remove trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 1074
diff changeset
124
1072
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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125 end
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
126 function module.unload()
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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127 filters.remove_filter_hook(stats.filter_hook);
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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128 end
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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129 function module.command( args )
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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130 local command = args[1];
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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131 if command == "top" then
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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132 local dir = module:get_directory();
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Matthew Wild <mwild1@gmail.com>
parents:
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133 package.path = dir.."/?.lua;"..dir.."/?.lib.lua;"..package.path;
3414
66bda434d476 mod_statistics: Update 'top' to (hopefully) work with Prosody 0.11/Lua 5.2
Matthew Wild <mwild1@gmail.com>
parents: 2301
diff changeset
134 local prosodytop = module:require "prosodytop";
1072
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
135 prosodytop.run();
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
136 end
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
137 end
1074
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
138
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
139 if prosody and prosody.arg then
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
140 module:provides("net", {
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
141 default_port = 5782;
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
142 listener = listener;
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
143 private = true;
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
144 });
cccd9f6a628d mod_statistics: Better detection of when running under prosody vs prosodyctl
Kim Alvefur <zash@zash.se>
parents: 1072
diff changeset
145 end