prosody
04fe1a00aa16
net/connlisteners.lua

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net/connlisteners.lua @ 624:04fe1a00aa16

Protect loading of connlisteners, to catch errors
author Matthew Wild <mwild1@gmail.com>
date Tue, 16 Dec 2008 02:32:01 +0000
parent 615:4ae3e81513f3
child 658:1952fdcf1017
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4ae3e81513f3 0.1 -> 0.2
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1 -- Prosody IM v0.2
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2 -- Copyright (C) 2008 Matthew Wild
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3 -- Copyright (C) 2008 Waqas Hussain
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4 --
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5 -- This program is free software; you can redistribute it and/or
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6 -- modify it under the terms of the GNU General Public License
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7 -- as published by the Free Software Foundation; either version 2
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8 -- of the License, or (at your option) any later version.
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9 --
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10 -- This program is distributed in the hope that it will be useful,
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11 -- but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 -- GNU General Public License for more details.
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14 --
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15 -- You should have received a copy of the GNU General Public License
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16 -- along with this program; if not, write to the Free Software
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17 -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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18 --
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19
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20
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21
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22 local listeners_dir = (CFG_SOURCEDIR or ".").."/net/";
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23 local server_add = require "net.server".add;
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24 local log = require "util.logger".init("connlisteners");
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25
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26 local dofile, pcall, error =
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27 dofile, pcall, error
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28
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29 module "connlisteners"
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30
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31 local listeners = {};
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32
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33 function register(name, listener)
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34 if listeners[name] and listeners[name] ~= listener then
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35 log("warning", "Listener %s is already registered, not registering any more", name);
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36 return false;
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37 end
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38 listeners[name] = listener;
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39 log("info", "Registered connection listener %s", name);
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40 return true;
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41 end
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42
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43 function deregister(name)
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44 listeners[name] = nil;
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45 end
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46
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47 function get(name)
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48 local h = listeners[name];
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49 if not h then
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50 local ok, ret = pcall(dofile, listeners_dir..name:gsub("[^%w%-]", "_").."_listener.lua");
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51 if not ok then return nil, ret; end
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52 h = listeners[name];
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53 end
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54 return h;
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55 end
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56
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57 function start(name, udata)
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58 local h = get(name);
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59 if not h then
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60 error("No such connection module: "..name, 0);
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61 end
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62 return server_add(h,
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63 (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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64 (udata and udata.interface) or "*", (udata and udata.mode) or h.default_mode or 1, (udata and udata.ssl) or nil );
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65 end
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67 return _M;