annotate mod_statistics/mod_statistics.lua @ 4421:94805a7e7b30

mod_invites: rework CLI parsing to support groups To make this sensible, the code had to move from rather simple parsing to something which looks more like getopt or your typical shell script.
author Jonas Schäfer <jonas@wielicki.name>
date Sun, 31 Jan 2021 19:16:36 +0100
parents 66bda434d476
children
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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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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