prosody
59b65cc6312f
net/server.lua

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net/server.lua @ 12163:59b65cc6312f

migrator: Include --options in usage info
author Kim Alvefur <zash@zash.se>
date Sun, 09 Jan 2022 16:15:21 +0100
parent 11764:e2650d59db2d
child 12481:2ee27587fec7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2925
692b3c6c5bd2 Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2645 2923
diff changeset
1 -- Prosody IM
692b3c6c5bd2 Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2645 2923
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2 -- Copyright (C) 2008-2010 Matthew Wild
692b3c6c5bd2 Merge 0.6->0.7
Matthew Wild <mwild1@gmail.com>
parents: 2645 2923
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3 -- Copyright (C) 2008-2010 Waqas Hussain
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bd0ff8ae98a8 Remove all trailing whitespace
Florian Zeitz <florob@babelmonkeys.de>
parents: 5531
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4 --
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Matthew Wild <mwild1@gmail.com>
parents: 2645 2923
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5 -- This project is MIT/X11 licensed. Please see the
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Matthew Wild <mwild1@gmail.com>
parents: 2645 2923
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6 -- COPYING file in the source package for more information.
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7 --
2162
22b6b1899a55 net.server: Log an error when libevent is requested, but luaevent is unavailable, and don't load luaevent when not requested.
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8
9215
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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
8711
9932a2a5b6de net.server: Init a local logger (fixes traceback on attempt to warn about missing luaevent due to later loggingmanager initialization)
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parents: 8700
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15 local log = require "util.logger".init("net.server");
10853
0107ed6744aa net.server: Switch to epoll backend by default
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16
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e273ef869794 net.server: Pikc server_epoll as unconditional default
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17 local default_backend = "epoll";
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18
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19 local server_type = require "core.configmanager".get("*", "network_backend") or default_backend;
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20
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21 if require "core.configmanager".get("*", "use_libevent") then
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22 server_type = "event";
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23 end
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24
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25 if server_type == "event" then
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26 if not pcall(require, "luaevent.core") then
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54530085dffe net.server: Fall back to default backend from libevent instead of always select
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27 log("error", "libevent not found, falling back to %s", default_backend);
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28 server_type = default_backend;
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parents: 2136
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29 end
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parents: 2136
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30 end
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31
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32 local server;
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33 local set_config;
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34 if server_type == "event" then
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35 server = require "net.server_event";
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07d0a3a75c8a net.server, net.timer, net.server_select: Rearrange dependencies between these three modules. server.addtimer() is no longer a public function (renamed to _addtimer) and is not available at all from server_event (compat code removed to prevent traceback) (thanks Nulani)
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36
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37 local defaults = {};
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38 for k,v in pairs(server.cfg) do
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39 defaults[k] = v;
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40 end
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41 function set_config(settings)
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42 local event_settings = {
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43 ACCEPT_DELAY = settings.accept_retry_interval;
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44 ACCEPT_QUEUE = settings.tcp_backlog;
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45 CLEAR_DELAY = settings.event_clear_interval;
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46 CONNECT_TIMEOUT = settings.connect_timeout;
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47 DEBUG = settings.debug;
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48 HANDSHAKE_TIMEOUT = settings.ssl_handshake_timeout;
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49 MAX_CONNECTIONS = settings.max_connections;
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50 MAX_HANDSHAKE_ATTEMPTS = settings.max_ssl_handshake_roundtrips;
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51 MAX_READ_LENGTH = settings.max_receive_buffer_size;
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52 MAX_SEND_LENGTH = settings.max_send_buffer_size;
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53 READ_TIMEOUT = settings.read_timeout;
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54 WRITE_TIMEOUT = settings.send_timeout;
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55 };
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56
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57 for k,default in pairs(defaults) do
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58 server.cfg[k] = event_settings[k] or default;
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59 end
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60 end
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61 elseif server_type == "select" then
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62 -- TODO Remove completely.
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63 log("warn", "select is deprecated, the new default is epoll. For more info see https://prosody.im/doc/network_backend");
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64 server = require "net.server_select";
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65
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66 local defaults = {};
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67 for k,v in pairs(server.getsettings()) do
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68 defaults[k] = v;
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69 end
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70 function set_config(settings)
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71 local select_settings = {};
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72 for k,default in pairs(defaults) do
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73 select_settings[k] = settings[k] or default;
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74 end
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75 server.changesettings(select_settings);
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76 end
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77 else
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78 server = require("net.server_"..server_type);
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79 set_config = server.set_config;
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80 if not server.get_backend then
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81 function server.get_backend()
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82 return server_type;
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83 end
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84 end
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parents:
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85 end
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parents:
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86
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87 -- If server.hook_signal exists, replace signal.signal()
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88 local has_signal, signal = pcall(require, "util.signal");
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89 if has_signal then
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90 if server.hook_signal then
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91 function signal.signal(signal_id, handler)
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92 if type(signal_id) == "string" then
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93 signal_id = signal[signal_id:upper()];
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94 end
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95 if type(signal_id) ~= "number" then
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96 return false, "invalid-signal";
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97 end
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98 return server.hook_signal(signal_id, handler);
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99 end
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100 else
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101 server.hook_signal = signal.signal;
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102 end
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103 else
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104 if not server.hook_signal then
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105 server.hook_signal = function()
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106 return false, "signal hooking not supported"
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107 end
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108 end
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109 end
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110
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111 if prosody and set_config then
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112 local config_get = require "core.configmanager".get;
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113 local function load_config()
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114 local settings = config_get("*", "network_settings") or {};
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115 return set_config(settings);
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116 end
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117 load_config();
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118 prosody.events.add_handler("config-reloaded", load_config);
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119 end
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120
2136
23c687039652 net.server: Add some comments to explain to waqas how it all works :)
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121 -- require "net.server" shall now forever return this,
23c687039652 net.server: Add some comments to explain to waqas how it all works :)
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122 -- ie. server_select or server_event as chosen above.
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123 return server;