Mercurial > prosody-modules
annotate mod_statistics/top.lua @ 1419:877dc87539ff
mod_profile: Replacement for mod_vcard with vcard4 support and integration with mod_pep_plus
author | Kim Alvefur <zash@zash.se> |
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date | Wed, 28 May 2014 22:02:27 +0200 |
parents | 7dbde05b48a9 |
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rev | line source |
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1 module("prosodytop", package.seeall); |
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2 |
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3 local array = require "util.array"; |
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4 local it = require "util.iterators"; |
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5 local curses = require "curses"; |
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6 local stats = require "stats".stats; |
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7 local time = require "socket".gettime; |
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8 |
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9 local sessions_idle_after = 60; |
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10 local stanza_names = {"message", "presence", "iq"}; |
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11 |
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12 local top = {}; |
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13 top.__index = top; |
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14 |
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15 local status_lines = { |
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16 "Prosody $version - $time up $up_since, $total_users users, $cpu busy"; |
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17 "Connections: $total_c2s c2s, $total_s2sout s2sout, $total_s2sin s2sin, $total_component component"; |
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18 "Memory: $memory_lua lua, $memory_allocated process ($memory_used in use)"; |
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19 "Stanzas in: $message_in_per_second message/s, $presence_in_per_second presence/s, $iq_in_per_second iq/s"; |
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20 "Stanzas out: $message_out_per_second message/s, $presence_out_per_second presence/s, $iq_out_per_second iq/s"; |
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21 }; |
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22 |
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23 function top:draw() |
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24 self:draw_status(); |
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25 self:draw_column_titles(); |
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26 self:draw_conn_list(); |
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27 self.statuswin:refresh(); |
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28 self.listwin:refresh(); |
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29 --self.infowin:refresh() |
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30 self.stdscr:move(#status_lines,0) |
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31 end |
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32 |
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33 -- Width specified as cols or % of unused space, defaults to |
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34 -- title width if not specified |
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35 local conn_list_columns = { |
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36 { title = "ID", key = "id", width = "8" }; |
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37 { title = "JID", key = "jid", width = "100%" }; |
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38 { title = "STANZAS IN>", key = "total_stanzas_in", align = "right" }; |
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39 { title = "MSG", key = "message_in", align = "right", width = "4" }; |
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40 { title = "PRES", key = "presence_in", align = "right", width = "4" }; |
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41 { title = "IQ", key = "iq_in", align = "right", width = "4" }; |
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42 { title = "STANZAS OUT>", key = "total_stanzas_out", align = "right" }; |
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43 { title = "MSG", key = "message_out", align = "right", width = "4" }; |
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44 { title = "PRES", key = "presence_out", align = "right", width = "4" }; |
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45 { title = "IQ", key = "iq_out", align = "right", width = "4" }; |
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46 { title = "BYTES IN", key = "bytes_in", align = "right" }; |
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47 { title = "BYTES OUT", key = "bytes_out", align = "right" }; |
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48 |
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49 }; |
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50 |
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51 function top:draw_status() |
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52 for row, line in ipairs(status_lines) do |
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53 self.statuswin:mvaddstr(row-1, 0, (line:gsub("%$([%w_]+)", self.data))); |
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54 self.statuswin:clrtoeol(); |
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55 end |
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56 -- Clear stanza counts |
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57 for _, stanza_type in ipairs(stanza_names) do |
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58 self.prosody[stanza_type.."_in_per_second"] = 0; |
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59 self.prosody[stanza_type.."_out_per_second"] = 0; |
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60 end |
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61 end |
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62 |
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63 local function padright(s, width) |
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64 return s..string.rep(" ", width-#s); |
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65 end |
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66 |
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67 local function padleft(s, width) |
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68 return string.rep(" ", width-#s)..s; |
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69 end |
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70 |
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71 function top:resized() |
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72 self:recalc_column_widths(); |
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73 --self.stdscr:clear(); |
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74 self:draw(); |
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75 end |
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76 |
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77 function top:recalc_column_widths() |
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78 local widths = {}; |
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79 self.column_widths = widths; |
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80 local total_width = curses.cols()-4; |
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81 local free_width = total_width; |
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82 for i = 1, #conn_list_columns do |
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83 local width = conn_list_columns[i].width or "0"; |
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84 if not(type(width) == "string" and width:sub(-1) == "%") then |
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85 width = math.max(tonumber(width), #conn_list_columns[i].title+1); |
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86 widths[i] = width; |
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87 free_width = free_width - width; |
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88 end |
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89 end |
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90 for i = 1, #conn_list_columns do |
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91 if not widths[i] then |
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92 local pc_width = tonumber((conn_list_columns[i].width:gsub("%%$", ""))); |
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93 widths[i] = math.floor(free_width*(pc_width/100)); |
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94 end |
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95 end |
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96 return widths; |
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97 end |
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98 |
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99 function top:draw_column_titles() |
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100 local widths = self.column_widths; |
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101 self.listwin:attron(curses.A_REVERSE); |
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102 self.listwin:mvaddstr(0, 0, " "); |
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103 for i, column in ipairs(conn_list_columns) do |
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104 self.listwin:addstr(padright(column.title, widths[i])); |
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105 end |
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106 self.listwin:addstr(" "); |
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107 self.listwin:attroff(curses.A_REVERSE); |
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108 end |
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109 |
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110 local function session_compare(session1, session2) |
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111 local stats1, stats2 = session1.stats, session2.stats; |
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112 return (stats1.total_stanzas_in + stats1.total_stanzas_out) > |
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113 (stats2.total_stanzas_in + stats2.total_stanzas_out); |
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114 end |
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115 |
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116 function top:draw_conn_list() |
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117 local rows = curses.lines()-(#status_lines+2)-5; |
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118 local cutoff_time = time() - sessions_idle_after; |
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119 local widths = self.column_widths; |
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120 local top_sessions = array.collect(it.values(self.active_sessions)):sort(session_compare); |
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121 for index = 1, rows do |
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122 session = top_sessions[index]; |
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123 if session then |
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124 if session.last_update < cutoff_time then |
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125 self.active_sessions[session.id] = nil; |
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126 else |
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127 local row = {}; |
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128 for i, column in ipairs(conn_list_columns) do |
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129 local width = widths[i]; |
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130 local v = tostring(session[column.key] or ""):sub(1, width); |
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131 if #v < width then |
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132 if column.align == "right" then |
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133 v = padleft(v, width-1).." "; |
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134 else |
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135 v = padright(v, width); |
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136 end |
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137 end |
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138 table.insert(row, v); |
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139 end |
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140 if session.updated then |
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141 self.listwin:attron(curses.A_BOLD); |
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142 end |
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143 self.listwin:mvaddstr(index, 0, " "..table.concat(row)); |
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144 if session.updated then |
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145 session.updated = false; |
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146 self.listwin:attroff(curses.A_BOLD); |
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147 end |
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148 end |
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149 else |
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150 -- FIXME: How to clear a line? It's 5am and I don't feel like reading docs. |
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151 self.listwin:move(index, 0); |
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152 self.listwin:clrtoeol(); |
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153 end |
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154 end |
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155 end |
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156 |
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157 function top:update_stat(name, value) |
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158 self.prosody[name] = value; |
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159 end |
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160 |
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161 function top:update_session(id, jid, stats) |
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162 self.active_sessions[id] = stats; |
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163 stats.id, stats.jid, stats.stats = id, jid, stats; |
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164 stats.total_bytes = stats.bytes_in + stats.bytes_out; |
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165 for _, stanza_type in ipairs(stanza_names) do |
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166 self.prosody[stanza_type.."_in_per_second"] = (self.prosody[stanza_type.."_in_per_second"] or 0) + stats[stanza_type.."_in"]; |
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167 self.prosody[stanza_type.."_out_per_second"] = (self.prosody[stanza_type.."_out_per_second"] or 0) + stats[stanza_type.."_out"]; |
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168 end |
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169 stats.total_stanzas_in = stats.message_in + stats.presence_in + stats.iq_in; |
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170 stats.total_stanzas_out = stats.message_out + stats.presence_out + stats.iq_out; |
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171 stats.last_update = time(); |
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172 stats.updated = true; |
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173 end |
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174 |
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175 function new(base) |
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176 setmetatable(base, top); |
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177 base.data = setmetatable({}, { |
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178 __index = function (t, k) |
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179 local stat = stats[k]; |
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180 if stat and stat.tostring then |
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181 if type(stat.tostring) == "function" then |
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182 return stat.tostring(base.prosody[k]); |
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183 elseif type(stat.tostring) == "string" then |
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184 local v = base.prosody[k]; |
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185 if v == nil then |
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186 return "?"; |
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187 end |
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188 return (stat.tostring):format(v); |
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189 end |
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190 end |
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191 return base.prosody[k]; |
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192 end; |
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193 }); |
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194 |
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195 base.active_sessions = {}; |
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196 |
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197 base.statuswin = curses.newwin(#status_lines, 0, 0, 0); |
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198 |
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199 base.promptwin = curses.newwin(1, 0, #status_lines, 0); |
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200 base.promptwin:addstr(""); |
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201 base.promptwin:refresh(); |
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202 |
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203 base.listwin = curses.newwin(curses.lines()-(#status_lines+2)-5, 0, #status_lines+1, 0); |
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204 base.listwin:syncok(); |
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205 |
1072
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206 base.infowin = curses.newwin(5, 0, curses.lines()-5, 0); |
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207 base.infowin:mvaddstr(1, 1, "Hello world"); |
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208 base.infowin:border(0,0,0,0); |
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209 base.infowin:syncok(); |
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|
210 base.infowin:refresh(); |
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211 |
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212 base:resized(); |
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213 |
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214 return base; |
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|
215 end |
4dbdb1b465e8
mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
216 |
4dbdb1b465e8
mod_statistics: Initial version, and a rough 'prosodyctl mod_statistics top'
Matthew Wild <mwild1@gmail.com>
parents:
diff
changeset
|
217 return _M; |