Annotate

net/server.lua @ 11049:f103f59ea2b5

net.http: http.request() promise now resolves with response (breaking change) Promise mode is not (widely?) used, changing this now while we can, as it improves usability of the API. The request is now available as response.request, if needed.
author Matthew Wild <mwild1@gmail.com>
date Tue, 25 Aug 2020 15:59:04 +0100
parent 10853:0107ed6744aa
child 11762:54530085dffe
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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
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17 local have_util_poll = pcall(require, "util.poll");
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18 local default_backend = have_util_poll and "epoll" or "select";
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19
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20 local server_type = require "core.configmanager".get("*", "network_backend") or default_backend;
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21
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22 if require "core.configmanager".get("*", "use_libevent") then
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23 server_type = "event";
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24 end
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25
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26 if server_type == "event" then
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27 if not pcall(require, "luaevent.core") then
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28 log("error", "libevent not found, falling back to select()");
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29 server_type = "select"
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30 end
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31 end
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32
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33 local server;
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34 local set_config;
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35 if server_type == "event" then
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36 server = require "net.server_event";
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37
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38 local defaults = {};
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39 for k,v in pairs(server.cfg) do
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40 defaults[k] = v;
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41 end
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42 function set_config(settings)
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43 local event_settings = {
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44 ACCEPT_DELAY = settings.accept_retry_interval;
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45 ACCEPT_QUEUE = settings.tcp_backlog;
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46 CLEAR_DELAY = settings.event_clear_interval;
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47 CONNECT_TIMEOUT = settings.connect_timeout;
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48 DEBUG = settings.debug;
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49 HANDSHAKE_TIMEOUT = settings.ssl_handshake_timeout;
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50 MAX_CONNECTIONS = settings.max_connections;
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51 MAX_HANDSHAKE_ATTEMPTS = settings.max_ssl_handshake_roundtrips;
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52 MAX_READ_LENGTH = settings.max_receive_buffer_size;
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53 MAX_SEND_LENGTH = settings.max_send_buffer_size;
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54 READ_TIMEOUT = settings.read_timeout;
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55 WRITE_TIMEOUT = settings.send_timeout;
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56 };
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57
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58 for k,default in pairs(defaults) do
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59 server.cfg[k] = event_settings[k] or default;
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60 end
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61 end
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62 elseif server_type == "select" then
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63 server = require "net.server_select";
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64
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65 local defaults = {};
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66 for k,v in pairs(server.getsettings()) do
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67 defaults[k] = v;
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68 end
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69 function set_config(settings)
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70 local select_settings = {};
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71 for k,default in pairs(defaults) do
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72 select_settings[k] = settings[k] or default;
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73 end
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74 server.changesettings(select_settings);
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75 end
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76 else
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77 server = require("net.server_"..server_type);
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78 set_config = server.set_config;
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79 if not server.get_backend then
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80 function server.get_backend()
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81 return server_type;
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82 end
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83 end
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84 end
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85
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86 -- If server.hook_signal exists, replace signal.signal()
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87 local has_signal, signal = pcall(require, "util.signal");
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88 if has_signal then
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89 if server.hook_signal then
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90 function signal.signal(signal_id, handler)
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91 if type(signal_id) == "string" then
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92 signal_id = signal[signal_id:upper()];
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93 end
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94 if type(signal_id) ~= "number" then
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95 return false, "invalid-signal";
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96 end
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97 return server.hook_signal(signal_id, handler);
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98 end
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99 else
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100 server.hook_signal = signal.signal;
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101 end
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102 else
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103 if not server.hook_signal then
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104 server.hook_signal = function()
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105 return false, "signal hooking not supported"
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106 end
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107 end
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108 end
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109
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110 if prosody and set_config then
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111 local config_get = require "core.configmanager".get;
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112 local function load_config()
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113 local settings = config_get("*", "network_settings") or {};
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114 return set_config(settings);
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115 end
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116 load_config();
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117 prosody.events.add_handler("config-reloaded", load_config);
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118 end
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119
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120 -- require "net.server" shall now forever return this,
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121 -- ie. server_select or server_event as chosen above.
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122 return server;