Mercurial > prosody-modules

annotate mod_statistics_statsman/mod_statistics_statsman.lua @ 5356:959dc350f2ad

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mod_http_oauth2: Declare https as required of URIs in schema If util.jsonschema happens to gain support for 'pattern' (regular expression validation) then this would be picked up. Until then, declarative annotations are nice.
author Kim Alvefur <zash@zash.se>
date Sat, 22 Apr 2023 14:06:41 +0200
parents bac3dae031ee
children
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2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
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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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bac3dae031ee Add note of incompatibility with trunk since 5f15ab7c6ae5
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8 assert(statsman.get_stats, "not compatible with trunk based on openmetrics");
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9
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10 local statistics_interval = module:context("*"):get_option_number("statistics_interval", 60);
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11 if module:context("*"):get_option("statistics", "internal") ~= "internal" then
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12 module:log("error", "Not using internal statistics, can't do anyting");
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13 return;
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14 end
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15
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16 local sessions = {};
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17
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18 local name_map = {
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19 ["start_time"] = "up_since";
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20 ["cpu.percent:amount"] = "cpu";
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78885053cd80 mod_statistics_statsman: Fix syntax error
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21 ["cpu.clock:amount"] = "cpu_total";
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3a06b0b6ba67 mod_statistics_statsman: Update for change stats type change in mod_measure_memory
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22 ["memory.allocated_mmap:amount"] = "memory_allocated_mmap";
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23 ["memory.allocated:amount"] = "memory_allocated";
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24 ["memory.lua:amount"] = "memory_lua";
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25 ["memory.returnable:amount"] = "memory_returnable";
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26 ["memory.rss:amount"] = "memory_rss";
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27 ["memory.total:amount"] = "memory_total";
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28 ["memory.unused:amount"] = "memory_unused";
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29 ["memory.used:amount"] = "memory_used";
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30 ["/*/mod_c2s/connections:amount"] = "total_c2s";
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31 ["/*/mod_s2s/connections:amount"] = "total_s2s";
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32 };
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33
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34 local function push_stat(conn, name, value)
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35 local value_str = serialize(value);
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36 name = name_map[name] or name;
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37 return conn:write((("STAT %q (%s)\n"):format(name, value_str):gsub("\\\n", "\\n")));
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38 end
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39
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40 local function push_stat_to_all(name, value)
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41 for conn in pairs(sessions) do
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42 push_stat(conn, name, value);
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43 end
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44 end
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45
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46 local session_stats_tpl = ([[{
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47 message_in = %d, message_out = %d;
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48 presence_in = %d, presence_out = %d;
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49 iq_in = %d, iq_out = %d;
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50 bytes_in = %d, bytes_out = %d;
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51 }]]):gsub("%s", "");
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52
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53
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54 local jid_fields = {
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55 c2s = "full_jid";
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56 s2sin = "from_host";
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57 s2sout = "to_host";
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58 component = "host";
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59 };
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60
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61 local function push_session_to_all(session, stats)
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62 local id = tostring(session):match("[a-f0-9]+$"); -- FIXME: Better id? :/
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63 local stanzas_in, stanzas_out = stats.stanzas_in, stats.stanzas_out;
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64 local s = (session_stats_tpl):format(
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65 stanzas_in.message, stanzas_out.message,
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66 stanzas_in.presence, stanzas_out.presence,
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67 stanzas_in.iq, stanzas_out.iq,
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68 stats.bytes_in, stats.bytes_out);
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69 local jid = session[jid_fields[session.type]] or "";
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70 for conn in pairs(sessions) do
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71 conn:write(("SESS %q %q %s\n"):format(id, jid, s));
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72 end
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73 end
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74
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75 local active_sessions = {};
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76
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77 -- Network listener
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78 local listener = {};
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79
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80 function listener.onconnect(conn)
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81 sessions[conn] = true;
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82 push_stat(conn, "version", prosody.version);
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83 push_stat(conn, "start_time", prosody.start_time);
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84 push_stat(conn, "statistics_interval", statistics_interval);
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85 push_stat(conn, "time", time_now());
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86 local stats = statsman.get_stats();
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87 for name, value in pairs(stats) do
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88 push_stat(conn, name, value);
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89 end
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90 conn:write("\n"); -- Signal end of first batch (for non-streaming clients)
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91 end
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92
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5d58bdbfe024 mod_statistics_statsman: Ignore that we discard incoming data [luacheck]
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93 function listener.onincoming(conn, data) -- luacheck: ignore 212
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94 -- Discarded
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95 end
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96
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97 function listener.ondisconnect(conn)
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98 sessions[conn] = nil;
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99 end
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100
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101 function listener.onreadtimeout()
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102 return true;
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103 end
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104
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105 local add_statistics_filter; -- forward decl
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106 if prosody and prosody.arg then -- ensures we aren't in prosodyctl
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107 setmetatable(active_sessions, {
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108 __index = function ( t, k )
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109 local v = {
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110 bytes_in = 0, bytes_out = 0;
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111 stanzas_in = {
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112 message = 0, presence = 0, iq = 0;
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113 };
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114 stanzas_out = {
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115 message = 0, presence = 0, iq = 0;
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116 };
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117 }
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118 rawset(t, k, v);
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119 return v;
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120 end
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121 });
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122 local function handle_stanza_in(stanza, session)
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123 local s = active_sessions[session].stanzas_in;
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124 local n = s[stanza.name];
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125 if n then
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126 s[stanza.name] = n + 1;
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127 end
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128 return stanza;
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129 end
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130 local function handle_stanza_out(stanza, session)
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131 local s = active_sessions[session].stanzas_out;
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132 local n = s[stanza.name];
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133 if n then
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134 s[stanza.name] = n + 1;
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135 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
136 return stanza;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
137 end
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
138 local function handle_bytes_in(bytes, session)
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
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139 local s = active_sessions[session];
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Kim Alvefur <zash@zash.se>
parents:
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140 s.bytes_in = s.bytes_in + #bytes;
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Kim Alvefur <zash@zash.se>
parents:
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141 return bytes;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143 local function handle_bytes_out(bytes, session)
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Kim Alvefur <zash@zash.se>
parents:
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144 local s = active_sessions[session];
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Kim Alvefur <zash@zash.se>
parents:
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145 s.bytes_out = s.bytes_out + #bytes;
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Kim Alvefur <zash@zash.se>
parents:
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146 return bytes;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 function add_statistics_filter(session)
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 filters.add_filter(session, "stanzas/in", handle_stanza_in);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 filters.add_filter(session, "stanzas/out", handle_stanza_out);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
151 filters.add_filter(session, "bytes/in", handle_bytes_in);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 filters.add_filter(session, "bytes/out", handle_bytes_out);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 function module.load()
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
158 if not(prosody and prosody.arg) then
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 return;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 filters.add_filter_hook(add_statistics_filter);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
162
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 module:add_timer(1, function ()
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 for session, session_stats in pairs(active_sessions) do
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Kim Alvefur <zash@zash.se>
parents:
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165 active_sessions[session] = nil;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 push_session_to_all(session, session_stats);
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 return 1;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 end);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 module:hook("stats-updated", function (event)
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Kim Alvefur <zash@zash.se>
parents:
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172 local stats = event.changed_stats;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 push_stat_to_all("time", time_now());
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 for name, value in pairs(stats) do
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 push_stat_to_all(name, value);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 end);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 module:hook("server-stopping", function ()
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 push_stat_to_all("stop_time", time_now());
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 end);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 function module.unload()
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 filters.remove_filter_hook(add_statistics_filter);
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 end
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 if prosody and prosody.arg then
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 module:provides("net", {
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 default_port = 5782;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 listener = listener;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 private = true;
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 });
2558ece20e58 mod_statistics_statsman: Streaming access to statsmanager
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 end