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net/multiplex_listener.lua

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net/multiplex_listener.lua @ 2947:ff7f6668b34f

tools/erlparse: Discard erlang PIDs instead of choking on them as a syntax error
author Matthew Wild <mwild1@gmail.com>
date Thu, 25 Mar 2010 19:34:41 +0000
parent 2351:f8d002090cea
child 3137:463d51ee9a2b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2351
f8d002090cea multiplex_listener: Initial commit. Multiple protocols on a single port.
Waqas Hussain <waqas20@gmail.com>
parents:
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1
f8d002090cea multiplex_listener: Initial commit. Multiple protocols on a single port.
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2 local connlisteners_register = require "net.connlisteners".register;
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3 local connlisteners_get = require "net.connlisteners".get;
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5 local httpserver_listener = connlisteners_get("httpserver");
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6 local xmppserver_listener = connlisteners_get("xmppserver");
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7 local xmppclient_listener = connlisteners_get("xmppclient");
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8 local xmppcomponent_listener = connlisteners_get("xmppcomponent");
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9
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10 local server = { default_mode = "*a" };
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12 local buffer = {};
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13
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14 function server.onincoming(conn, data)
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15 if not data then return; end
f8d002090cea multiplex_listener: Initial commit. Multiple protocols on a single port.
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16 local buf = buffer[conn];
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17 buffer[conn] = nil;
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18 buf = buf and buf..data or data;
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19 if buf:match("^[a-zA-Z]") then
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20 local listener = httpserver_listener;
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21 conn:setlistener(listener);
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22 listener.onincoming(conn, buf);
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23 elseif buf:match(">") then
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24 local listener;
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25 local xmlns = buf:match("%sxmlns%s*=%s*['\"]([^'\"]*)");
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26 if xmlns == "jabber:server" then
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27 listener = xmppserver_listener;
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28 elseif xmlns == "jabber:component:accept" then
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29 listener = xmppcomponent_listener;
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30 else
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31 listener = xmppclient_listener;
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32 end
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33 conn:setlistener(listener);
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34 listener.onincoming(conn, buf);
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35 elseif #buf > 1024 then
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36 conn:close();
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37 else
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38 buffer[conn] = buf;
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39 end
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40 end
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41
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42 function server.ondisconnect(conn, err)
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43 buffer[conn] = nil; -- warn if no buffer?
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44 end
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45
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46 connlisteners_register("multiplex", server);