Annotate

core/hostmanager.lua @ 12947:14a44b1a51d0

prosody.loader: Allow loading modules under 'prosody' namespace (#1223) Actually `hg mv`-ing all the files is disruptive, basically breaking everything from rebasing all my WIP draft commits to the package building. So instead, what if we didn't and instead rewrote package names as they are `require()`-d? Debian packages produced by the Prosody are already installed into this structure so much will Just Work if all require calls are updated.
author Kim Alvefur <zash@zash.se>
date Fri, 17 Mar 2023 13:51:43 +0100
parent 11505:61d38c4b749d
child 12972:ead41e25ebc0
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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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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 configmanager = require "core.configmanager";
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10 local modulemanager = require "core.modulemanager";
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11 local events_new = require "util.events".new;
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12 local disco_items = require "util.multitable".new();
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13 local NULL = {};
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14
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15 local log = require "util.logger".init("hostmanager");
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16
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17 local hosts = prosody.hosts;
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18 local prosody_events = prosody.events;
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19 if not _G.prosody.incoming_s2s then
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20 require "core.s2smanager";
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21 end
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22 local incoming_s2s = _G.prosody.incoming_s2s;
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23 local core_route_stanza = _G.prosody.core_route_stanza;
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24
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25 local pairs, rawget = pairs, rawget;
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26 local tostring, type = tostring, type;
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27 local setmetatable = setmetatable;
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28
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29 local _ENV = nil;
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30 -- luacheck: std none
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31
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32 local host_mt = { }
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33 function host_mt:__tostring()
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34 if self.type == "component" then
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35 local typ = configmanager.get(self.host, "component_module");
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36 if typ == "component" then
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37 return ("Component %q"):format(self.host);
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38 end
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39 return ("Component %q %q"):format(self.host, typ);
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40 elseif self.type == "local" then
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41 return ("VirtualHost %q"):format(self.host);
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42 end
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43 end
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44
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45 local hosts_loaded_once;
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46
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47 local activate, deactivate;
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48
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49 local function load_enabled_hosts(config)
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50 local defined_hosts = config or configmanager.getconfig();
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51 local activated_any_host;
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52
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53 for host, host_config in pairs(defined_hosts) do
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54 if host ~= "*" and host_config.enabled ~= false then
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55 if not host_config.component_module then
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56 activated_any_host = true;
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57 end
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58 activate(host, host_config);
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59 end
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60 end
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61
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62 if not activated_any_host then
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63 log("error", "No active VirtualHost entries in the config file. This may cause unexpected behaviour as no modules will be loaded.");
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64 end
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65
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66 prosody_events.fire_event("hosts-activated", defined_hosts);
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67 hosts_loaded_once = true;
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68 end
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69
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70 prosody_events.add_handler("server-starting", load_enabled_hosts);
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71
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72 local function host_send(stanza)
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73 core_route_stanza(nil, stanza);
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74 end
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75
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76 function activate(host, host_config)
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77 if rawget(hosts, host) then return nil, "The host "..host.." is already activated"; end
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78 host_config = host_config or configmanager.getconfig()[host];
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79 if not host_config then return nil, "Couldn't find the host "..tostring(host).." defined in the current config"; end
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80 local host_session = {
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81 host = host;
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82 s2sout = {};
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83 events = events_new();
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84 send = host_send;
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85 modules = {};
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86 };
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87 function host_session:close(reason)
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88 log("debug", "Attempt to close host session %s with reason: %s", self.host, reason);
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89 end
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90 setmetatable(host_session, host_mt);
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91 if not host_config.component_module then -- host
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92 host_session.type = "local";
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93 host_session.sessions = {};
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94 else -- component
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95 host_session.type = "component";
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96 end
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97 hosts[host] = host_session;
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98 if not host_config.disco_hidden and not host:match("[@/]") then
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99 disco_items:set(host:match("%.(.*)") or "*", host, host_config.name or true);
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100 end
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101 for option_name in pairs(host_config) do
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102 if option_name:match("_ports$") or option_name:match("_interface$") then
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103 log("warn", "%s: Option '%s' has no effect for virtual hosts - put it in the server-wide section instead", host, option_name);
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104 end
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105 end
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106
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107 log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host);
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108 prosody_events.fire_event("host-activated", host);
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109 return true;
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110 end
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111
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112 function deactivate(host, reason)
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113 local host_session = hosts[host];
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114 if not host_session then return nil, "The host "..tostring(host).." is not activated"; end
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115 log("info", "Deactivating host: %s", host);
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116 prosody_events.fire_event("host-deactivating", { host = host, host_session = host_session, reason = reason });
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117
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118 if type(reason) ~= "table" then
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119 reason = { condition = "host-gone", text = tostring(reason or "This server has stopped serving "..host) };
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120 end
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121
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122 -- Disconnect local users, s2s connections
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123 -- TODO: These should move to mod_c2s and mod_s2s (how do they know they're being unloaded and not reloaded?)
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124 if host_session.sessions then
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125 for username, user in pairs(host_session.sessions) do
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126 for resource, session in pairs(user.sessions) do
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127 log("debug", "Closing connection for %s@%s/%s", username, host, resource);
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
128 session:close(reason);
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parents: 1974
diff changeset
129 end
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130 end
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131 end
1975
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parents: 1974
diff changeset
132 if host_session.s2sout then
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parents: 1974
diff changeset
133 for remotehost, session in pairs(host_session.s2sout) do
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parents: 1974
diff changeset
134 if session.close then
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parents: 1974
diff changeset
135 log("debug", "Closing outgoing connection to %s", remotehost);
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
136 session:close(reason);
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
137 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
138 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
139 end
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
140 for remote_session in pairs(incoming_s2s) do
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
141 if remote_session.to_host == host then
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
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parents: 1974
diff changeset
142 log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
a9998fac292c hostmanager: deactivate() now accepts a reason, closes s2s connections as well as disconnecting users, and unloads modules for the host
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
143 remote_session:close(reason);
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
144 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
145 end
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parents: 1974
diff changeset
146
4731
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parents: 4730
diff changeset
147 -- TODO: This should be done in modulemanager
1975
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parents: 1974
diff changeset
148 if host_session.modules then
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
149 for module in pairs(host_session.modules) do
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parents: 1974
diff changeset
150 modulemanager.unload(host, module);
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parents: 1974
diff changeset
151 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
152 end
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parents: 1974
diff changeset
153
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diff changeset
154 hosts[host] = nil;
3601
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Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
155 if not host:match("[@/]") then
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
156 disco_items:remove(host:match("%.(.*)") or "*", host);
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
157 end
3434
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parents: 2984
diff changeset
158 prosody_events.fire_event("host-deactivated", host);
575
428c951d0a33 Log in hostmanager when a vhost is activated/deactivated
Matthew Wild <mwild1@gmail.com>
parents: 569
diff changeset
159 log("info", "Deactivated host: %s", host);
3716
ebb2c6209e24 hostmanager: deactivate() now returns true on success.
Waqas Hussain <waqas20@gmail.com>
parents: 3715
diff changeset
160 return true;
569
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parents:
diff changeset
161 end
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parents:
diff changeset
162
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
163 local function get_children(host)
3599
adc0b4df6fdd hostmanager: Added function get_children(host) which copies componentmanager.get_children(host).
Waqas Hussain <waqas20@gmail.com>
parents: 3597
diff changeset
164 return disco_items:get(host) or NULL;
569
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parents:
diff changeset
165 end
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents:
diff changeset
166
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
167 return {
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
168 activate = activate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
169 deactivate = deactivate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
170 get_children = get_children;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
171 }