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mod_statistics/prosodytop.lib.lua @ 3961:6fd9c9708422
mod_http_upload: Add some kind of help message to prosodyctl command
author | Kim Alvefur <zash@zash.se> |
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date | Mon, 30 Mar 2020 19:56:04 +0200 |
parent | 3428:1962c94e2203 |
rev | line source |
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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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30 |
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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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42 |
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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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124 |
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125 if ok then |
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126 ok, err = xpcall(server.loop, debug.traceback); |
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127 end |
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128 |
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129 curses.endwin(); |
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130 |
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131 --stdscr:refresh(); |
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132 if not ok then |
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133 print(err); |
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134 end |
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135 |
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136 print"DONE" |
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137 end; |
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138 }; |