prosody
e77bf4222fae
core/hostmanager.lua

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core/hostmanager.lua @ 10228:e77bf4222fae

net.server_epoll: Add support for opportunistic writes This tries to flush data to the underlying sockets when receiving writes. This should lead to fewer timer objects being around. On the other hand, this leads to more and smaller writes which may translate to more TCP/IP packets being sent, depending on how the kernel handles this. This trades throughput for lower latency.
author Kim Alvefur <zash@zash.se>
date Wed, 28 Aug 2019 01:41:00 +0200
parent 8561:7b9ffddc4276
child 11505:61d38c4b749d
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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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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
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129 end
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130 end
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parents:
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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 if session.srv_hosts then session.srv_hosts = nil; end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
137 session:close(reason);
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
138 end
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
139 end
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
140 end
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 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
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parents: 1974
diff changeset
142 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
Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
143 log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
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parents: 1974
diff changeset
144 remote_session:close(reason);
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
145 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
146 end
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parents: 1974
diff changeset
147
4731
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parents: 4730
diff changeset
148 -- TODO: This should be done in modulemanager
1975
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parents: 1974
diff changeset
149 if host_session.modules then
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parents: 1974
diff changeset
150 for module in pairs(host_session.modules) do
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parents: 1974
diff changeset
151 modulemanager.unload(host, module);
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parents: 1974
diff changeset
152 end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
153 end
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parents: 1974
diff changeset
154
569
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diff changeset
155 hosts[host] = nil;
3601
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Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
156 if not host:match("[@/]") then
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
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parents: 3599
diff changeset
157 disco_items:remove(host:match("%.(.*)") or "*", host);
829e23b374cc hostmanager: Don't include hosts with '@' or '/' in the name in the get_children(host) result.
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parents: 3599
diff changeset
158 end
3434
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parents: 2984
diff changeset
159 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
160 log("info", "Deactivated host: %s", host);
3716
ebb2c6209e24 hostmanager: deactivate() now returns true on success.
Waqas Hussain <waqas20@gmail.com>
parents: 3715
diff changeset
161 return true;
569
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parents:
diff changeset
162 end
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parents:
diff changeset
163
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
164 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
165 return disco_items:get(host) or NULL;
569
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parents:
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166 end
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parents:
diff changeset
167
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
168 return {
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
169 activate = activate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
170 deactivate = deactivate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
171 get_children = get_children;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
172 }