prosody
90ce865eebd8
core/componentmanager.lua

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core/componentmanager.lua @ 760:90ce865eebd8

Update copyright notices for 2009
author Matthew Wild <mwild1@gmail.com>
date Fri, 30 Jan 2009 17:59:26 +0000
parent 759:5cccfb5da6cb
child 777:f7a87acea220
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1 -- Prosody IM v0.3
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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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12 local log = require "util.logger".init("componentmanager");
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13 local configmanager = require "core.configmanager";
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14 local eventmanager = require "core.eventmanager";
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15 local modulemanager = require "core.modulemanager";
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16 local jid_split = require "util.jid".split;
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17 local hosts = hosts;
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18
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19 local pairs, type, tostring = pairs, type, tostring;
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20
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21 local components = {};
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22
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23 module "componentmanager"
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25 function load_enabled_components(config)
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26 local defined_hosts = config or configmanager.getconfig();
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27
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28 for host, host_config in pairs(defined_hosts) do
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29 if host ~= "*" and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then
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30 hosts[host] = { type = "component", host = host, connected = true, s2sout = {} };
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31 modulemanager.load(host, "dialback");
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32 local ok, err = modulemanager.load(host, host_config.core.component_module);
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33 if not ok then
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34 log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(err));
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35 else
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36 log("info", "Activated %s component: %s", host_config.core.component_module, host);
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37 end
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38
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39 local ok, component_handler = modulemanager.call_module_method(modulemanager.get_module(host, host_config.core.component_module), "load_component");
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40 if not ok then
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41 log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(component_handler));
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42 else
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43 components[host] = component_handler;
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44 end
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45 end
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46 end
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47 end
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48
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49 eventmanager.add_event_hook("server-starting", load_enabled_components);
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50
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51 function handle_stanza(origin, stanza)
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52 local node, host = jid_split(stanza.attr.to);
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53 local component = nil;
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54 if not component then component = components[stanza.attr.to]; end -- hack to allow hooking node@server/resource and server/resource
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55 if not component then component = components[node.."@"..host]; end -- hack to allow hooking node@server
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56 if not component then component = components[host]; end
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57 if component then
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58 log("debug", "stanza being handled by component: "..host);
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59 component(origin, stanza, hosts[host]);
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60 else
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61 log("error", "Component manager recieved a stanza for a non-existing component: " .. stanza.attr.to);
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62 end
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63 end
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64
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65 function register_component(host, component)
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66 if not hosts[host] then
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67 -- TODO check for host well-formedness
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68 components[host] = component;
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69 hosts[host] = { type = "component", host = host, connected = true, s2sout = {} };
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70 -- FIXME only load for a.b.c if b.c has dialback, and/or check in config
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71 modulemanager.load(host, "dialback");
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72 log("debug", "component added: "..host);
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73 return hosts[host];
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74 else
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75 log("error", "Attempt to set component for existing host: "..host);
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76 end
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77 end
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78
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79 function deregister_component(host)
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80 if components[host] then
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81 modulemanager.unload(host, "dialback");
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82 components[host] = nil;
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83 hosts[host] = nil;
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84 log("debug", "component removed: "..host);
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85 return true;
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86 else
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87 log("error", "Attempt to remove component for non-existing host: "..host);
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88 end
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89 end
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90
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91 return _M;