Mercurial > prosody-modules
annotate mod_ircd/mod_ircd.lua @ 127:6c454d7208ae
mod_s2s_idle_timeout: Close idle connections after s2s_idle_timeout seconds, default 300s
author | Matthew Wild <mwild1@gmail.com> |
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date | Thu, 28 Jan 2010 17:40:29 +0000 |
parents | 3de60860adca |
children | d4ff1cd414e5 |
rev | line source |
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mod_ircd: Initial commit of a wonderfully hacky but working IRC->XMPP interface for Prosody
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1 local irc_listener = { default_port = 6667, default_mode = "*l" }; |
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2 |
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3 local sessions = {}; |
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4 local commands = {}; |
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5 |
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6 local nicks = {}; |
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7 |
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8 local st = require "util.stanza"; |
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9 |
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10 local conference_server = module:get_option("conference_server") or "conference.jabber.org"; |
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11 |
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12 local function irc_close_session(session) |
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13 session.conn:close(); |
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14 end |
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15 |
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16 function irc_listener.onincoming(conn, data) |
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17 local session = sessions[conn]; |
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18 if not session then |
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19 session = { conn = conn, host = module.host, reset_stream = function () end, |
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20 close = irc_close_session, log = logger.init("irc"..(conn.id or "1")), |
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21 roster = {} }; |
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22 sessions[conn] = session; |
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23 function session.data(data) |
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24 module:log("debug", "Received: %s", data); |
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25 local command, args = data:match("^%s*([^ ]+) *(.*)%s*$"); |
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26 if not command then |
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27 module:log("warn", "Invalid command: %s", data); |
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28 return; |
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29 end |
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30 command = command:upper(); |
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31 module:log("debug", "Received command: %s", command); |
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32 if commands[command] then |
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33 local ret = commands[command](session, args); |
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34 if ret then |
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35 session.send(ret.."\r\n"); |
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36 end |
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37 end |
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38 end |
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39 function session.send(data) |
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40 module:log("debug", "sending: %s", data); |
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41 return conn:write(data.."\r\n"); |
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42 end |
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43 end |
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44 if data then |
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45 session.data(data); |
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46 end |
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47 end |
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48 |
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49 function irc_listener.ondisconnect(conn, error) |
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50 module:log("debug", "Client disconnected"); |
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51 sessions[conn] = nil; |
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52 end |
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53 |
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54 function commands.NICK(session, nick) |
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55 nick = nick:match("^[%w_]+"); |
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56 if nicks[nick] then |
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57 session.send(":"..session.host.." 433 * The nickname "..nick.." is already in use"); |
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58 return; |
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59 end |
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60 nicks[nick] = session; |
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61 session.nick = nick; |
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62 session.full_jid = nick.."@"..module.host.."/ircd"; |
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63 session.type = "c2s"; |
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64 module:log("debug", "Client bound to %s", session.full_jid); |
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65 session.send(":"..session.host.." 001 "..session.nick.." :Welcome to XMPP via the "..session.host.." gateway "..session.nick); |
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66 end |
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67 |
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68 local joined_mucs = {}; |
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69 function commands.JOIN(session, channel) |
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70 if not joined_mucs[channel] then |
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71 joined_mucs[channel] = { occupants = {}, sessions = {} }; |
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72 end |
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73 joined_mucs[channel].sessions[session] = true; |
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74 local join_stanza = st.presence({ from = session.full_jid, to = channel:gsub("^#", "").."@"..conference_server.."/"..session.nick }); |
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75 core_process_stanza(session, join_stanza); |
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76 session.send(":"..session.nick.." JOIN :"..channel); |
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77 session.send(":"..session.host.." 332 "..session.nick.." "..channel.." :Connection in progress..."); |
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78 session.send(":"..session.host.." 353 "..session.nick.." = "..channel.." :"..session.nick); |
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79 session.send(":"..session.host.." 366 "..session.nick.." "..channel.." :End of /NAMES list."); |
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80 end |
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81 |
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82 function commands.PART(session, channel) |
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83 local channel, part_message = channel:match("^(%S+) :(.+)$"); |
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84 core_process_stanza(session, st.presence{ type = "unavailable", from = session.full_jid, |
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85 to = channel:gsub("^#", "").."@"..conference_server.."/"..session.nick }:tag("status"):text(part_message)); |
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86 end |
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87 |
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88 function commands.PRIVMSG(session, message) |
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89 local who, message = message:match("^(%S+) :(.+)$"); |
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90 if joined_mucs[who] then |
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91 core_process_stanza(session, st.message{to=who:gsub("^#", "").."@"..conference_server, type="groupchat"}:tag("body"):text(message)); |
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92 end |
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93 end |
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94 |
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95 function commands.WHO(session, channel) |
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96 if joined_mucs[channel] then |
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97 for nick in pairs(joined_mucs[channel].occupants) do |
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98 --n=MattJ 91.85.191.50 irc.freenode.net MattJ H :0 Matthew Wild |
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99 session.send(":"..session.host.." 352 "..session.nick.." "..channel.." "..nick.." "..nick.." "..session.host.." "..nick.." H :0 "..nick); |
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100 end |
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101 session.send(":"..session.host.." 315 "..session.nick.." "..channel.. " :End of /WHO list"); |
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102 end |
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103 end |
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104 |
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105 function commands.MODE(session, channel) |
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106 session.send(":"..session.host.." 324 "..session.nick.." "..channel.." +J"); |
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107 end |
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108 |
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109 --- Component (handle stanzas from the server for IRC clients) |
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110 function irc_component(origin, stanza) |
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111 local from, from_bare = stanza.attr.from, jid.bare(stanza.attr.from); |
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112 local from_node = "#"..jid.split(stanza.attr.from); |
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113 |
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114 if joined_mucs[from_node] and from_bare == from then |
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115 -- From room itself |
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116 local joined_muc = joined_mucs[from_node]; |
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117 if stanza.name == "message" then |
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118 local subject = stanza:get_child("subject"); |
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119 if subject then |
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120 local subject_text = subject:get_text(); |
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121 for session in pairs(joined_muc.sessions) do |
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122 session.send(":"..session.host.." 332 "..session.nick.." "..from_node.." :"..subject_text); |
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123 end |
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124 end |
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125 end |
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126 elseif joined_mucs[from_node] then |
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127 -- From room occupant |
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128 local joined_muc = joined_mucs[from_node]; |
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129 local nick = select(3, jid.split(from)):gsub(" ", "_"); |
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130 if stanza.name == "presence" then |
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131 local what; |
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132 if not stanza.attr.type then |
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133 if joined_muc.occupants[nick] then |
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134 return; |
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135 end |
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136 joined_muc.occupants[nick] = true; |
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137 what = "JOIN"; |
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138 else |
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139 joined_muc.occupants[nick] = nil; |
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140 what = "PART"; |
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141 end |
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142 for session in pairs(joined_muc.sessions) do |
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143 if nick ~= session.nick then |
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144 session.send(":"..nick.."!"..nick.." "..what.." :"..from_node); |
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145 end |
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146 end |
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147 elseif stanza.name == "message" then |
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148 local body = stanza:get_child("body"); |
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149 local hasdelay = stanza:get_child("delay", "urn:xmpp:delay"); |
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150 if body then |
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151 for session in pairs(joined_muc.sessions) do |
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152 if nick ~= session.nick or hasdelay then |
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153 session.send(":"..nick.." PRIVMSG "..from_node.." :"..body:get_text()); |
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154 end |
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155 end |
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156 end |
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157 end |
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158 end |
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159 end |
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160 |
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161 require "core.componentmanager".register_component(module.host, irc_component); |
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162 |
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163 prosody.events.add_handler("server-stopping", function (shutdown) |
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164 module:log("debug", "Closing IRC connections prior to shutdown"); |
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165 for channel, joined_muc in pairs(joined_mucs) do |
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166 for session in pairs(joined_muc.sessions) do |
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167 core_process_stanza(session, |
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168 st.presence{ type = "unavailable", from = session.full_jid, |
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169 to = channel:gsub("^#", "").."@"..conference_server.."/"..session.nick } |
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170 :tag("status") |
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171 :text("Connection closed: Server is shutting down"..(shutdown.reason and (": "..shutdown.reason) or ""))); |
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172 session:close(); |
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173 end |
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174 end |
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175 end); |
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176 |
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177 require "net.connlisteners".register("irc", irc_listener); |
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178 require "net.connlisteners".start("irc", { port = module:get_option("port") }); |