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net/connlisteners.lua @ 378:47fdbd074641
Fix dns for poor Windows users, who have never seen a resolv.conf
author | Matthew Wild <mwild1@gmail.com> |
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date | Sun, 23 Nov 2008 02:50:57 +0000 |
parent | 145:fbb3a4ff9cf1 |
child | 380:2b22b8eee939 |
rev | line source |
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Abstract connections with "connection listeners"
Matthew Wild <mwild1@gmail.com>
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1 |
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2 local server_add = require "net.server".add; |
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3 local log = require "util.logger".init("connlisteners"); |
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4 |
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5 local dofile, pcall, error = |
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6 dofile, pcall, error |
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7 |
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8 module "connlisteners" |
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9 |
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10 local listeners = {}; |
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11 |
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12 function register(name, listener) |
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13 if listeners[name] and listeners[name] ~= listener then |
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14 log("warning", "Listener %s is already registered, not registering any more", name); |
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15 return false; |
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16 end |
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17 listeners[name] = listener; |
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18 log("info", "Registered connection listener %s", name); |
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19 return true; |
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20 end |
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Matthew Wild <mwild1@gmail.com>
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21 |
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22 function deregister(name) |
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23 listeners[name] = nil; |
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24 end |
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25 |
127 | 26 function get(name) |
27 local h = listeners[name]; | |
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28 if not h then |
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29 pcall(dofile, "net/"..name:gsub("[^%w%-]", "_").."_listener.lua"); |
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30 h = listeners[name]; |
127 | 31 end |
32 return h; | |
33 end | |
34 | |
35 function start(name, udata) | |
36 local h = get(name); | |
37 if not h then | |
38 error("No such connection module: "..name, 0); | |
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39 end |
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40 return server_add(h, |
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41 udata.port or h.default_port or error("Can't start listener "..name.." because no port was specified, and it has no default port", 0), |
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42 udata.interface or "*", udata.mode or h.default_mode or 1, udata.ssl ); |
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43 end |
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44 |
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45 return _M; |