prosody
88101f652174
plugins/mod_net_multiplex.lua

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plugins/mod_net_multiplex.lua @ 4842:88101f652174

Backed out changeset 9f1fb34cd7f8 - obsoleted by 5ef05f32bc42.
author Matthew Wild <mwild1@gmail.com>
date Fri, 11 May 2012 01:39:52 +0100
parent 4619:d5739b8b7161
child 5120:bcabea740c00
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d5739b8b7161 mod_net_multiplex: Port multiplexing (run multiple different services on a the same port(s))... now pluggable for use with any net plugin
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1 module:set_global();
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2
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3 local max_buffer_len = module:get_option_number("multiplex_buffer_size", 1024);
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5 local portmanager = require "core.portmanager";
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7 local available_services = {};
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9 local function add_service(service)
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10 local multiplex_pattern = service.multiplex and service.multiplex.pattern;
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11 if multiplex_pattern then
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12 module:log("debug", "Adding multiplex service %q with pattern %q", service.name, multiplex_pattern);
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13 available_services[service] = multiplex_pattern;
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14 else
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15 module:log("debug", "Service %q is not multiplex-capable", service.name);
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16 end
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17 end
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18 module:hook("service-added", function (event) add_service(event.service); end);
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19 module:hook("service-removed", function (event) available_services[event.service] = nil; end);
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21 for service_name, services in pairs(portmanager.get_registered_services()) do
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22 for i, service in ipairs(services) do
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23 add_service(service);
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24 end
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25 end
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27 local buffers = {};
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29 local listener = { default_mode = "*a" };
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31 function listener.onconnect()
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32 end
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33
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34 function listener.onincoming(conn, data)
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35 if not data then return; end
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36 local buf = buffers[conn];
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37 buffers[conn] = nil;
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38 buf = buf and buf..data or data;
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39 for service, multiplex_pattern in pairs(available_services) do
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40 if buf:match(multiplex_pattern) then
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41 module:log("debug", "Routing incoming connection to %s", service.name);
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42 local listener = service.listener;
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43 conn:setlistener(listener);
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44 local onconnect = listener.onconnect;
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45 if onconnect then onconnect(conn) end
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46 return listener.onincoming(conn, buf);
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47 end
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48 end
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49 if #buf > max_buffer_len then -- Give up
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50 conn:close();
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51 else
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52 buffers[conn] = buf;
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53 end
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54 end
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56 function listener.ondisconnect(conn, err)
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57 buffers[conn] = nil; -- warn if no buffer?
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58 end
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59
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60 module:add_item("net-provider", {
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61 name = "multiplex";
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62 config_prefix = "";
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63 listener = listener;
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64 });
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65
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66 module:provides("net", {
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67 name = "multiplex_ssl";
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68 config_prefix = "ssl";
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69 listener = listener;
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70 });