prosody
55a56dc935f2
core/hostmanager.lua

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core/hostmanager.lua @ 8045:55a56dc935f2

net.http: Pass error all the way to callback
author Kim Alvefur <zash@zash.se>
date Sun, 02 Apr 2017 00:24:07 +0200
parent 6779:6236668da30a
child 6791:e813e8cf6046
child 8251:cb2d86f4b511
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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 jid_split = require "util.jid".split;
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16
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17 local log = require "util.logger".init("hostmanager");
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18
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19 local hosts = prosody.hosts;
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20 local prosody_events = prosody.events;
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21 if not _G.prosody.incoming_s2s then
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22 require "core.s2smanager";
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23 end
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24 local incoming_s2s = _G.prosody.incoming_s2s;
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25 local core_route_stanza = _G.prosody.core_route_stanza;
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26
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27 local pairs, select, rawget = pairs, select, rawget;
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28 local tostring, type = tostring, type;
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29 local setmetatable = setmetatable;
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30
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31 local _ENV = nil;
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32
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33 local host_mt = { }
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34 function host_mt:__tostring()
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35 if self.type == "component" then
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36 local typ = configmanager.get(self.host, "component_module");
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37 if typ == "component" then
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38 return ("Component %q"):format(self.host);
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39 end
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40 return ("Component %q %q"):format(self.host, typ);
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41 elseif self.type == "local" then
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42 return ("VirtualHost %q"):format(self.host);
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43 end
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44 end
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45
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46 local hosts_loaded_once;
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47
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48 local activate, deactivate;
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49
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50 local function load_enabled_hosts(config)
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51 local defined_hosts = config or configmanager.getconfig();
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52 local activated_any_host;
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54 for host, host_config in pairs(defined_hosts) do
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55 if host ~= "*" and host_config.enabled ~= false then
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56 if not host_config.component_module then
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57 activated_any_host = true;
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58 end
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59 activate(host, host_config);
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60 end
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61 end
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62
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63 if not activated_any_host then
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64 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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65 end
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66
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67 prosody_events.fire_event("hosts-activated", defined_hosts);
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68 hosts_loaded_once = true;
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69 end
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70
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71 prosody_events.add_handler("server-starting", load_enabled_hosts);
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72
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73 local function host_send(stanza)
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74 local name, stanza_type = stanza.name, stanza.attr.type;
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75 if stanza_type == "error" or (name == "iq" and stanza_type == "result") then
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76 local dest_host_name = select(2, jid_split(stanza.attr.to));
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77 local dest_host = hosts[dest_host_name] or { type = "unknown" };
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78 log("warn", "Unhandled response sent to %s host %s: %s", dest_host.type, dest_host_name, tostring(stanza));
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79 return;
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80 end
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81 core_route_stanza(nil, stanza);
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82 end
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83
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84 function activate(host, host_config)
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85 if rawget(hosts, host) then return nil, "The host "..host.." is already activated"; end
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86 host_config = host_config or configmanager.getconfig()[host];
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87 if not host_config then return nil, "Couldn't find the host "..tostring(host).." defined in the current config"; end
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88 local host_session = {
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89 host = host;
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90 s2sout = {};
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91 events = events_new();
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92 send = host_send;
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93 modules = {};
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94 };
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95 setmetatable(host_session, host_mt);
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96 if not host_config.component_module then -- host
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97 host_session.type = "local";
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98 host_session.sessions = {};
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99 else -- component
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100 host_session.type = "component";
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101 end
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102 hosts[host] = host_session;
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103 if not host:match("[@/]") then
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104 disco_items:set(host:match("%.(.*)") or "*", host, host_config.name or true);
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105 end
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106 for option_name in pairs(host_config) do
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107 if option_name:match("_ports$") or option_name:match("_interface$") then
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108 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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109 end
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110 end
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111
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112 log((hosts_loaded_once and "info") or "debug", "Activated host: %s", host);
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113 prosody_events.fire_event("host-activated", host);
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114 return true;
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115 end
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116
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117 function deactivate(host, reason)
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118 local host_session = hosts[host];
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119 if not host_session then return nil, "The host "..tostring(host).." is not activated"; end
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120 log("info", "Deactivating host: %s", host);
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121 prosody_events.fire_event("host-deactivating", { host = host, host_session = host_session, reason = reason });
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122
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123 if type(reason) ~= "table" then
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124 reason = { condition = "host-gone", text = tostring(reason or "This server has stopped serving "..host) };
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125 end
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126
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127 -- Disconnect local users, s2s connections
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128 -- 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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129 if host_session.sessions then
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parents: 1974
diff changeset
130 for username, user in pairs(host_session.sessions) do
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parents: 1974
diff changeset
131 for resource, session in pairs(user.sessions) do
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parents: 1974
diff changeset
132 log("debug", "Closing connection for %s@%s/%s", username, host, resource);
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parents: 1974
diff changeset
133 session:close(reason);
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parents: 1974
diff changeset
134 end
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135 end
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parents:
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136 end
1975
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parents: 1974
diff changeset
137 if host_session.s2sout then
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
138 for remotehost, session in pairs(host_session.s2sout) do
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parents: 1974
diff changeset
139 if session.close then
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parents: 1974
diff changeset
140 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
141 if session.srv_hosts then session.srv_hosts = nil; end
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
142 session:close(reason);
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
143 end
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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 for remote_session in pairs(incoming_s2s) do
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parents: 1974
diff changeset
147 if remote_session.to_host == host then
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parents: 1974
diff changeset
148 log("debug", "Closing incoming connection from %s", remote_session.from_host or "<unknown>");
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parents: 1974
diff changeset
149 remote_session:close(reason);
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parents: 1974
diff changeset
150 end
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parents: 1974
diff changeset
151 end
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parents: 1974
diff changeset
152
4731
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parents: 4730
diff changeset
153 -- TODO: This should be done in modulemanager
1975
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parents: 1974
diff changeset
154 if host_session.modules then
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Matthew Wild <mwild1@gmail.com>
parents: 1974
diff changeset
155 for module in pairs(host_session.modules) do
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parents: 1974
diff changeset
156 modulemanager.unload(host, module);
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parents: 1974
diff changeset
157 end
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parents: 1974
diff changeset
158 end
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parents: 1974
diff changeset
159
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parents:
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160 hosts[host] = nil;
3601
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Waqas Hussain <waqas20@gmail.com>
parents: 3599
diff changeset
161 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
162 disco_items:remove(host:match("%.(.*)") or "*", host);
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parents: 3599
diff changeset
163 end
3434
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parents: 2984
diff changeset
164 prosody_events.fire_event("host-deactivated", host);
575
428c951d0a33 Log in hostmanager when a vhost is activated/deactivated
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parents: 569
diff changeset
165 log("info", "Deactivated host: %s", host);
3716
ebb2c6209e24 hostmanager: deactivate() now returns true on success.
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parents: 3715
diff changeset
166 return true;
569
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parents:
diff changeset
167 end
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parents:
diff changeset
168
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
169 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
170 return disco_items:get(host) or NULL;
569
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parents:
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171 end
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parents:
diff changeset
172
6779
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Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
173 return {
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
174 activate = activate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
175 deactivate = deactivate;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
176 get_children = get_children;
6236668da30a core.*: Remove use of module() function
Kim Alvefur <zash@zash.se>
parents: 6706
diff changeset
177 }