prosody
cbc58fc170ad
net/connlisteners.lua

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net/connlisteners.lua @ 2652:cbc58fc170ad

net.adns: Fix potential traceback on DNS responses with libevent enabled (thanks Flo)
author Matthew Wild <mwild1@gmail.com>
date Tue, 16 Feb 2010 15:05:18 +0000
parent 2551:5f15f21014c4
child 2925:692b3c6c5bd2
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1 -- Prosody IM
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2 -- Copyright (C) 2008-2009 Matthew Wild
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3 -- Copyright (C) 2008-2009 Waqas Hussain
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4 --
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b1885732e979 GPL->MIT!
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5 -- This project is MIT/X11 licensed. Please see the
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6 -- COPYING file in the source package for more information.
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7 --
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8
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11 local listeners_dir = (CFG_SOURCEDIR or ".").."/net/";
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12 local server = require "net.server";
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13 local log = require "util.logger".init("connlisteners");
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14 local tostring = tostring;
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16 local dofile, pcall, error =
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17 dofile, pcall, error
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18
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19 module "connlisteners"
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20
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21 local listeners = {};
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22
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23 function register(name, listener)
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24 if listeners[name] and listeners[name] ~= listener then
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25 log("debug", "Listener %s is already registered, not registering any more", name);
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26 return false;
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27 end
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28 listeners[name] = listener;
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29 log("debug", "Registered connection listener %s", name);
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30 return true;
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31 end
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32
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33 function deregister(name)
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34 listeners[name] = nil;
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35 end
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37 function get(name)
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38 local h = listeners[name];
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39 if not h then
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40 local ok, ret = pcall(dofile, listeners_dir..name:gsub("[^%w%-]", "_").."_listener.lua");
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41 if not ok then
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42 log("error", "Error while loading listener '%s': %s", tostring(name), tostring(ret));
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43 return nil, ret;
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44 end
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45 h = listeners[name];
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46 end
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47 return h;
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48 end
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49
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50 function start(name, udata)
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51 local h, err = get(name);
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52 if not h then
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53 error("No such connection module: "..name.. (err and (" ("..err..")") or ""), 0);
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54 end
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56 local interface = (udata and udata.interface) or h.default_interface or "*";
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57 local port = (udata and 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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58 local mode = (udata and udata.mode) or h.default_mode or 1;
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59 local ssl = (udata and udata.ssl) or nil;
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60 local autossl = udata and udata.type == "ssl";
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61
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62 if autossl and not ssl then
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63 return nil, "no ssl context";
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64 end
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65
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66 return server.addserver(interface, port, h, mode, autossl and ssl or nil);
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67 end
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69 return _M;