prosody
d94aacb2771a
core/componentmanager.lua

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core/componentmanager.lua @ 3587:d94aacb2771a

componentmanager, hostmanager, modulemanager, mod_component: Got rid of the useless hosts[*].connected property.
author Waqas Hussain <waqas20@gmail.com>
date Wed, 10 Nov 2010 03:39:38 +0500
parent 3586:78ed7ad330ab
child 3597:8090880f0e18
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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diff changeset
1 -- Prosody IM
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2 -- Copyright (C) 2008-2010 Matthew Wild
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3 -- Copyright (C) 2008-2010 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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9 local prosody = _G.prosody;
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10 local log = require "util.logger".init("componentmanager");
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11 local certmanager = require "core.certmanager";
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12 local configmanager = require "core.configmanager";
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13 local modulemanager = require "core.modulemanager";
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14 local jid_split = require "util.jid".split;
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15 local fire_event = prosody.events.fire_event;
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16 local events_new = require "util.events".new;
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17 local st = require "util.stanza";
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18 local prosody, hosts = prosody, prosody.hosts;
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19 local uuid_gen = require "util.uuid".generate;
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20
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21 local pairs, setmetatable, type, tostring = pairs, setmetatable, type, tostring;
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22
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23 local components = {};
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24
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25 local disco_items = require "util.multitable".new();
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26 local NULL = {};
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27
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28 module "componentmanager"
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30 local function default_component_handler(origin, stanza)
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31 log("warn", "Stanza being handled by default component; bouncing error for: %s", stanza:top_tag());
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32 if stanza.attr.type ~= "error" and stanza.attr.type ~= "result" then
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33 origin.send(st.error_reply(stanza, "wait", "service-unavailable", "Component unavailable"));
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34 end
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35 end
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36
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37 function load_enabled_components(config)
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38 local defined_hosts = config or configmanager.getconfig();
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39
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40 for host, host_config in pairs(defined_hosts) do
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41 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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42 hosts[host] = create_component(host);
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43 components[host] = default_component_handler;
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44 local ok, err = modulemanager.load(host, host_config.core.component_module);
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45 if not ok then
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46 log("error", "Error loading %s component %s: %s", tostring(host_config.core.component_module), tostring(host), tostring(err));
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47 else
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48 fire_event("component-activated", host, host_config);
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49 log("debug", "Activated %s component: %s", host_config.core.component_module, host);
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50 end
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51 end
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52 end
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53 end
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54
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55 if prosody and prosody.events then
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56 prosody.events.add_handler("server-starting", load_enabled_components);
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57 end
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58
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59 function create_component(host, component, events)
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60 -- TODO check for host well-formedness
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61 return { type = "component", host = host, s2sout = {},
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62 events = events or events_new(),
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63 dialback_secret = configmanager.get(host, "core", "dialback_secret") or uuid_gen(),
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64 disallow_s2s = configmanager.get(host, "core", "disallow_s2s"); };
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65 end
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66
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67 function register_component(host, component)
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68 if not hosts[host] or hosts[host].type == 'component' then
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69 local old_events = hosts[host] and hosts[host].events;
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70
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71 components[host] = component;
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72 hosts[host] = create_component(host, component, old_events);
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73
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74 -- Add events object if not already one
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75 if not hosts[host].events then
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76 hosts[host].events = old_events or events_new();
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77 end
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78
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79 if not hosts[host].dialback_secret then
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80 hosts[host].dialback_secret = configmanager.get(host, "core", "dialback_secret") or uuid_gen();
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81 end
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82
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83 -- add to disco_items
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84 if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then
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85 disco_items:set(host:sub(host:find(".", 1, true)+1), host, true);
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86 end
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87 modulemanager.load(host, "dialback");
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88 modulemanager.load(host, "tls");
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89 log("debug", "component added: "..host);
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90 return hosts[host];
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91 else
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92 log("error", "Attempt to set component for existing host: "..host);
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93 end
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94 end
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95
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96 function deregister_component(host)
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97 if components[host] then
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98 modulemanager.unload(host, "tls");
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99 modulemanager.unload(host, "dialback");
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100 local host_config = configmanager.getconfig()[host];
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101 if host_config and ((host_config.core.enabled == nil or host_config.core.enabled) and type(host_config.core.component_module) == "string") then
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102 -- Set default handler
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103 components[host] = default_component_handler;
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104 else
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105 -- Component not in config, or disabled, remove
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106 hosts[host] = nil; -- FIXME do proper unload of all modules and other cleanup before removing
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107 components[host] = nil;
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108 end
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109 -- remove from disco_items
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110 if not(host:find("@", 1, true) or host:find("/", 1, true)) and host:find(".", 1, true) then
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111 disco_items:remove(host:sub(host:find(".", 1, true)+1), host);
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112 end
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113 log("debug", "component removed: "..host);
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114 return true;
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115 else
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116 log("error", "Attempt to remove component for non-existing host: "..host);
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117 end
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118 end
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119
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120 function get_children(host)
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121 return disco_items:get(host) or NULL;
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122 end
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123
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2d424936723c core.componentmanager: Refactor a little to make XEP-0114 plugin a little simpler
Matthew Wild <mwild1@gmail.com>
parents: 777
diff changeset
124 return _M;