Mercurial > prosody-modules

annotate mod_statistics/prosodytop.lib.lua @ 5585:5b316088bef5

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mod_rest: Use logger of HTTP request in trunk In Prosody trunk rev c975dafa4303 each HTTP request gained its own log sink, to make it easy to log things related to each request and group those messages. Especially where async is used, spreading the request and response apart as mod_rest does with iq stanzas, this grouped logging should help find related messages.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Jul 2023 00:10:37 +0200
parents 1962c94e2203
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 local curses = require "curses";
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2 local server = require "net.server_select";
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3 local timer = require "util.timer";
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4 local envload = require "util.envload".envload;
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5
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6 assert(curses.timeout, "Incorrect version of curses library. Try 'sudo luarocks install luaposix'");
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7
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8 local top = module:require "top";
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9
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10 function main()
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11 local stdscr = curses.stdscr() -- it's a userdatum
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12 --stdscr:clear();
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13 local view = top.new({
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14 stdscr = stdscr;
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15 prosody = { up_since = os.time() };
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16 conn_list = {};
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17 });
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18
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19 timer.add_task(0.01, function ()
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20 local ch = stdscr:getch();
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21 if ch then
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22 if stdscr:getch() == 410 then
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23 view:resized();
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24 else
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25 curses.ungetch(ch);
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26 end
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27 end
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28 return 0.2;
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29 end);
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31 timer.add_task(0, function ()
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32 view:draw();
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33 return 1;
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34 end);
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35
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36 --[[
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37 posix.signal(28, function ()
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38 table.insert(view.conn_list, { jid = "WINCH" });
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39 --view:draw();
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40 end);
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41 ]]
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43 -- Fake socket object around stdin
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44 local stdin = {
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45 getfd = function () return 0; end;
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46 dirty = function (self) return false; end;
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47 settimeout = function () end;
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48 send = function (_, d) return #d, 0; end;
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49 close = function () end;
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50 receive = function (_, patt)
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51 local ch = stdscr:getch();
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52 if ch >= 0 and ch <=255 then
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53 return string.char(ch);
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54 elseif ch == 410 then
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55 view:resized();
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56 else
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57 table.insert(view.conn_list, { jid = tostring(ch) }); --FIXME
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58 end
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59 return "";
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60 end
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61 };
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62 local function on_incoming(stdin, text)
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63 -- TODO: Handle keypresses
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64 if text:lower() == "q" then os.exit(); end
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65 end
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66 stdin = server.wrapclient(stdin, "stdin", 0, {
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67 onincoming = on_incoming, ondisconnect = function () end
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68 }, "*a");
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69
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70 local function handle_line(line)
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71 local e = {
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72 STAT = function (name) return function (value)
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73 view:update_stat(name, value);
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74 end end;
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75 SESS = function (id) return function (jid) return function (stats)
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76 view:update_session(id, jid, stats);
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77 end end end;
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78 };
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79 local chunk = assert(envload(line, "=prosodytop", e));
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80 chunk();
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81 end
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82
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83 local stats_listener = {};
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84
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85 function stats_listener.onconnect(conn)
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86 --stdscr:mvaddstr(6, 0, "CONNECTED");
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87 end
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88
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89 local partial = "";
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90 function stats_listener.onincoming(conn, data)
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91 --print("DATA", data)
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92 data = partial..data;
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93 local lastpos = 1;
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94 for line, pos in data:gmatch("([^\n]+)\n()") do
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95 lastpos = pos;
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96 handle_line(line);
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97 end
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98 partial = data:sub(lastpos);
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99 end
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100
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101 function stats_listener.ondisconnect(conn, err)
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102 stdscr:mvaddstr(6, 0, "DISCONNECTED: "..(err or "unknown"));
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103 end
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104
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105 local conn = require "socket".tcp();
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106 assert(conn:connect("localhost", 5782));
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107 handler = server.wrapclient(conn, "localhost", 5782, stats_listener, "*a");
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108 end
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109
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110 return {
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111 run = function ()
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112 --os.setlocale("UTF-8", "all")
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113
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114 curses.initscr()
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115 curses.cbreak()
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116 curses.echo(false) -- not noecho !
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117 curses.nl(false) -- not nonl !
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118 curses.timeout(0);
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119
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120 local ok, err = pcall(main);
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121
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122 --while true do stdscr:getch() end
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123 --stdscr:endwin()
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parents:
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124
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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125 if ok then
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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126 ok, err = xpcall(server.loop, debug.traceback);
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
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parents:
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127 end
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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128
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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129 curses.endwin();
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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130
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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131 --stdscr:refresh();
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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132 if not ok then
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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133 print(err);
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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134 end
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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135
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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136 print"DONE"
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
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137 end;
4dbdb1b465e8 mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
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138 };