prosody
27b62234792a
net/server.lua

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net/server.lua @ 9662:27b62234792a

Merge 0.11->trunk
author Kim Alvefur <zash@zash.se>
date Fri, 30 Nov 2018 16:03:09 +0100
parent 9215:b087b5047f86
child 10853:0107ed6744aa
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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 if not (prosody and prosody.config_loaded) then
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10 -- This module only supports loading inside Prosody, outside Prosody
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11 -- you should directly require net.server_select or server_event, etc.
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12 error(debug.traceback("Loading outside Prosody or Prosody not yet initialized"), 0);
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13 end
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14
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15 local log = require "util.logger".init("net.server");
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16 local server_type = require "core.configmanager".get("*", "network_backend") or "select";
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17
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18 if require "core.configmanager".get("*", "use_libevent") then
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19 server_type = "event";
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20 end
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21
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22 if server_type == "event" then
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23 if not pcall(require, "luaevent.core") then
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24 log("error", "libevent not found, falling back to select()");
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25 server_type = "select"
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26 end
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27 end
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28
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29 local server;
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30 local set_config;
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31 if server_type == "event" then
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32 server = require "net.server_event";
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33
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34 local defaults = {};
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35 for k,v in pairs(server.cfg) do
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36 defaults[k] = v;
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37 end
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38 function set_config(settings)
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39 local event_settings = {
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40 ACCEPT_DELAY = settings.accept_retry_interval;
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41 ACCEPT_QUEUE = settings.tcp_backlog;
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42 CLEAR_DELAY = settings.event_clear_interval;
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43 CONNECT_TIMEOUT = settings.connect_timeout;
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44 DEBUG = settings.debug;
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45 HANDSHAKE_TIMEOUT = settings.ssl_handshake_timeout;
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46 MAX_CONNECTIONS = settings.max_connections;
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47 MAX_HANDSHAKE_ATTEMPTS = settings.max_ssl_handshake_roundtrips;
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48 MAX_READ_LENGTH = settings.max_receive_buffer_size;
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49 MAX_SEND_LENGTH = settings.max_send_buffer_size;
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50 READ_TIMEOUT = settings.read_timeout;
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51 WRITE_TIMEOUT = settings.send_timeout;
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52 };
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53
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54 for k,default in pairs(defaults) do
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55 server.cfg[k] = event_settings[k] or default;
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56 end
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57 end
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58 elseif server_type == "select" then
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59 server = require "net.server_select";
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60
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61 local defaults = {};
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62 for k,v in pairs(server.getsettings()) do
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63 defaults[k] = v;
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64 end
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65 function set_config(settings)
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66 local select_settings = {};
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67 for k,default in pairs(defaults) do
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68 select_settings[k] = settings[k] or default;
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69 end
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70 server.changesettings(select_settings);
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71 end
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72 else
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73 server = require("net.server_"..server_type);
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74 set_config = server.set_config;
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75 if not server.get_backend then
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76 function server.get_backend()
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77 return server_type;
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78 end
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79 end
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80 end
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81
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82 -- If server.hook_signal exists, replace signal.signal()
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83 local has_signal, signal = pcall(require, "util.signal");
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84 if has_signal then
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85 if server.hook_signal then
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86 function signal.signal(signal_id, handler)
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87 if type(signal_id) == "string" then
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88 signal_id = signal[signal_id:upper()];
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89 end
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90 if type(signal_id) ~= "number" then
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91 return false, "invalid-signal";
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92 end
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93 return server.hook_signal(signal_id, handler);
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94 end
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95 else
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96 server.hook_signal = signal.signal;
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97 end
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98 else
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99 if not server.hook_signal then
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100 server.hook_signal = function()
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101 return false, "signal hooking not supported"
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102 end
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103 end
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104 end
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105
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106 if prosody and set_config then
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107 local config_get = require "core.configmanager".get;
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108 local function load_config()
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109 local settings = config_get("*", "network_settings") or {};
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110 return set_config(settings);
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111 end
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112 load_config();
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113 prosody.events.add_handler("config-reloaded", load_config);
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114 end
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115
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116 -- require "net.server" shall now forever return this,
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117 -- ie. server_select or server_event as chosen above.
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118 return server;