prosody
63539dfb96e7
net/server.lua

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net/server.lua @ 6483:63539dfb96e7

net.server: Rename 'server' config option to 'network_backend' (to select which net.server implementation to use)
author Matthew Wild <mwild1@gmail.com>
date Wed, 22 Oct 2014 12:56:41 +0100
parent 6482:410067cdeb2f
child 6484:913585bca01f
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Matthew Wild <mwild1@gmail.com>
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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 server_type = prosody and require "core.configmanager".get("*", "network_backend") or "select";
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10 if prosody and require "core.configmanager".get("*", "use_libevent") then
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11 server_type = "event";
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12 end
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13
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14 if server_type == "event" then
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15 if not pcall(require, "luaevent.core") then
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16 print(log)
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17 log("error", "libevent not found, falling back to select()");
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18 server_type = "select"
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19 end
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20 end
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21
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22 local server;
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23 local set_config;
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24 if server_type == "event" then
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25 server = require "net.server_event";
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26
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27 local defaults = {};
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28 for k,v in pairs(server.cfg) do
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29 defaults[k] = v;
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30 end
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31 function set_config(settings)
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32 local event_settings = {
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33 ACCEPT_DELAY = settings.event_accept_retry_interval;
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34 ACCEPT_QUEUE = settings.tcp_backlog;
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35 CLEAR_DELAY = settings.event_clear_interval;
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36 CONNECT_TIMEOUT = settings.connect_timeout;
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37 DEBUG = settings.debug;
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38 HANDSHAKE_TIMEOUT = settings.ssl_handshake_timeout;
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39 MAX_CONNECTIONS = settings.max_connections;
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40 MAX_HANDSHAKE_ATTEMPTS = settings.max_ssl_handshake_roundtrips;
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41 MAX_READ_LENGTH = settings.max_receive_buffer_size;
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42 MAX_SEND_LENGTH = settings.max_send_buffer_size;
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43 READ_TIMEOUT = settings.read_timeout;
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44 WRITE_TIMEOUT = settings.send_timeout;
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45 };
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46
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47 for k,default in pairs(defaults) do
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48 server.cfg[k] = event_settings[k] or default;
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49 end
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50 end
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51 elseif server_type == "select" then
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52 server = require "net.server_select";
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53
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54 local defaults = {};
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55 for k,v in pairs(server.getsettings()) do
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56 defaults[k] = v;
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57 end
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58 function set_config(settings)
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59 local select_settings = {};
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60 for k,default in pairs(defaults) do
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61 select_settings[k] = settings[k] or default;
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62 end
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63 server.changesettings(select_settings);
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64 end
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65 else
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66 error("Unsupported server type")
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67 end
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68
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69 -- If server.hook_signal exists, replace signal.signal()
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70 local ok, signal = pcall(require, "util.signal");
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71 if server.hook_signal then
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72 if ok then
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73 function signal.signal(signal_id, handler)
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74 if type(signal_id) == "string" then
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75 signal_id = signal[signal_id:upper()];
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76 end
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77 if type(signal_id) ~= "number" then
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78 return false, "invalid-signal";
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79 end
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80 return server.hook_signal(signal_id, handler);
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81 end
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82 end
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83 else
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84 server.hook_signal = signal.signal;
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85 end
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86
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87 if prosody then
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88 local config_get = require "core.configmanager".get;
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89 local function load_config()
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90 local settings = config_get("*", "network_settings") or {};
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91 return set_config(settings);
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92 end
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93 load_config();
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94 prosody.events.add_handler("config-reloaded", load_config);
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95 end
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96
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97 -- require "net.server" shall now forever return this,
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98 -- ie. server_select or server_event as chosen above.
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99 return server;