Mercurial > prosody-modules

annotate mod_statistics_statsman/mod_statistics_statsman.lua @ 3492:f59334da6df9

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mod_conversejs: Show fallback text if converse.js fails to load (thanks MattJ) This can happen if javascript is enabled but 3rd party resources are blocked, or some other error happened.
author Kim Alvefur <zash@zash.se>
date Tue, 19 Mar 2019 19:43:13 +0100
parents c7773ea263d0
children 3a06b0b6ba67
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
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1 module:set_global();
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2
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3 local statsman = require "core.statsmanager";
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4 local time_now = require "util.time".now;
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5 local filters = require "util.filters";
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6 local serialize = require "util.serialization".serialize;
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7
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8 local statistics_interval = module:context("*"):get_option_number("statistics_interval", 60);
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9 if module:context("*"):get_option("statistics", "internal") ~= "internal" then
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10 module:log("error", "Not using internal statistics, can't do anyting");
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11 return;
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12 end
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13
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14 local sessions = {};
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15
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16 local name_map = {
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17 ["start_time"] = "up_since";
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18 ["cpu.percent:amount"] = "cpu";
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19 ["memory.allocated_mmap:size"] = "memory_allocated_mmap";
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20 ["memory.allocated:size"] = "memory_allocated";
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21 ["memory.lua:size"] = "memory_lua";
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22 ["memory.returnable:size"] = "memory_returnable";
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23 ["memory.rss:size"] = "memory_rss";
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24 ["memory.total:size"] = "memory_total";
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25 ["memory.unused:size"] = "memory_unused";
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26 ["memory.used:size"] = "memory_used";
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27 ["/*/mod_c2s/connections:amount"] = "total_c2s";
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28 ["/*/mod_s2s/connections:amount"] = "total_s2s";
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29 };
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30
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31 local function push_stat(conn, name, value)
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32 local value_str = serialize(value);
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33 name = name_map[name] or name;
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34 return conn:write((("STAT %q (%s)\n"):format(name, value_str):gsub("\\\n", "\\n")));
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35 end
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36
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37 local function push_stat_to_all(name, value)
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38 for conn in pairs(sessions) do
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39 push_stat(conn, name, value);
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40 end
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41 end
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42
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43 local session_stats_tpl = ([[{
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44 message_in = %d, message_out = %d;
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45 presence_in = %d, presence_out = %d;
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46 iq_in = %d, iq_out = %d;
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47 bytes_in = %d, bytes_out = %d;
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48 }]]):gsub("%s", "");
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49
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50
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51 local jid_fields = {
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52 c2s = "full_jid";
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53 s2sin = "from_host";
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54 s2sout = "to_host";
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55 component = "host";
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56 };
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57
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58 local function push_session_to_all(session, stats)
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59 local id = tostring(session):match("[a-f0-9]+$"); -- FIXME: Better id? :/
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60 local stanzas_in, stanzas_out = stats.stanzas_in, stats.stanzas_out;
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61 local s = (session_stats_tpl):format(
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62 stanzas_in.message, stanzas_out.message,
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63 stanzas_in.presence, stanzas_out.presence,
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64 stanzas_in.iq, stanzas_out.iq,
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65 stats.bytes_in, stats.bytes_out);
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66 local jid = session[jid_fields[session.type]] or "";
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67 for conn in pairs(sessions) do
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68 conn:write(("SESS %q %q %s\n"):format(id, jid, s));
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69 end
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70 end
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71
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72 local active_sessions = {};
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73
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74 -- Network listener
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75 local listener = {};
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76
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77 function listener.onconnect(conn)
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78 sessions[conn] = true;
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79 push_stat(conn, "version", prosody.version);
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80 push_stat(conn, "start_time", prosody.start_time);
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81 push_stat(conn, "statistics_interval", statistics_interval);
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82 push_stat(conn, "time", time_now());
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83 local stats = statsman.get_stats();
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84 for name, value in pairs(stats) 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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5d58bdbfe024 mod_statistics_statsman: Ignore that we discard incoming data [luacheck]
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90 function listener.onincoming(conn, data) -- luacheck: ignore 212
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91 -- Discarded
3158
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92 end
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93
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94 function listener.ondisconnect(conn)
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95 sessions[conn] = nil;
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96 end
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97
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98 function listener.onreadtimeout()
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99 return true;
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100 end
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101
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102 local add_statistics_filter; -- forward decl
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103 if prosody and prosody.arg then -- ensures we aren't in prosodyctl
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104 setmetatable(active_sessions, {
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105 __index = function ( t, k )
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106 local v = {
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107 bytes_in = 0, bytes_out = 0;
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108 stanzas_in = {
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109 message = 0, presence = 0, iq = 0;
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110 };
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111 stanzas_out = {
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112 message = 0, presence = 0, iq = 0;
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113 };
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114 }
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115 rawset(t, k, v);
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116 return v;
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117 end
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118 });
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119 local function handle_stanza_in(stanza, session)
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120 local s = active_sessions[session].stanzas_in;
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121 local n = s[stanza.name];
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122 if n then
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123 s[stanza.name] = n + 1;
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124 end
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125 return stanza;
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126 end
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127 local function handle_stanza_out(stanza, session)
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128 local s = active_sessions[session].stanzas_out;
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129 local n = s[stanza.name];
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130 if n then
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131 s[stanza.name] = n + 1;
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132 end
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133 return stanza;
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134 end
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135 local function handle_bytes_in(bytes, session)
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136 local s = active_sessions[session];
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137 s.bytes_in = s.bytes_in + #bytes;
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138 return bytes;
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139 end
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140 local function handle_bytes_out(bytes, session)
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141 local s = active_sessions[session];
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142 s.bytes_out = s.bytes_out + #bytes;
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143 return bytes;
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parents:
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144 end
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Kim Alvefur <zash@zash.se>
parents:
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145 function add_statistics_filter(session)
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146 filters.add_filter(session, "stanzas/in", handle_stanza_in);
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147 filters.add_filter(session, "stanzas/out", handle_stanza_out);
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148 filters.add_filter(session, "bytes/in", handle_bytes_in);
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149 filters.add_filter(session, "bytes/out", handle_bytes_out);
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150 end
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Kim Alvefur <zash@zash.se>
parents:
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151 end
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Kim Alvefur <zash@zash.se>
parents:
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152
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parents:
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153
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Kim Alvefur <zash@zash.se>
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154 function module.load()
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Kim Alvefur <zash@zash.se>
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155 if not(prosody and prosody.arg) then
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parents:
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156 return;
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Kim Alvefur <zash@zash.se>
parents:
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157 end
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Kim Alvefur <zash@zash.se>
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158 filters.add_filter_hook(add_statistics_filter);
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159
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Kim Alvefur <zash@zash.se>
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160 module:add_timer(1, function ()
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Kim Alvefur <zash@zash.se>
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161 for session, session_stats in pairs(active_sessions) do
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162 active_sessions[session] = nil;
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163 push_session_to_all(session, session_stats);
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Kim Alvefur <zash@zash.se>
parents:
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164 end
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Kim Alvefur <zash@zash.se>
parents:
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165 return 1;
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parents:
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166 end);
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Kim Alvefur <zash@zash.se>
parents:
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167
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Kim Alvefur <zash@zash.se>
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168 module:hook("stats-updated", function (event)
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169 local stats = event.changed_stats;
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parents:
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170 push_stat_to_all("time", time_now());
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Kim Alvefur <zash@zash.se>
parents:
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171 for name, value in pairs(stats) do
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parents:
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172 push_stat_to_all(name, value);
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parents:
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173 end
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Kim Alvefur <zash@zash.se>
parents:
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174 end);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
175
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Kim Alvefur <zash@zash.se>
parents:
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176 module:hook("server-stopping", function ()
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Kim Alvefur <zash@zash.se>
parents:
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177 push_stat_to_all("stop_time", time_now());
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Kim Alvefur <zash@zash.se>
parents:
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178 end);
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Kim Alvefur <zash@zash.se>
parents:
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179 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
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180 function module.unload()
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Kim Alvefur <zash@zash.se>
parents:
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181 filters.remove_filter_hook(add_statistics_filter);
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Kim Alvefur <zash@zash.se>
parents:
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182 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
183
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Kim Alvefur <zash@zash.se>
parents:
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184 if prosody and prosody.arg then
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Kim Alvefur <zash@zash.se>
parents:
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185 module:provides("net", {
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Kim Alvefur <zash@zash.se>
parents:
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186 default_port = 5782;
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Kim Alvefur <zash@zash.se>
parents:
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187 listener = listener;
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Kim Alvefur <zash@zash.se>
parents:
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188 private = true;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 });
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 end