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annotate prosody @ 1967:f78a019efeb0

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prosody: Require some core/util libraries which core modules depend upon, C modules and other modules which write to _G
author Matthew Wild <mwild1@gmail.com>
date Sat, 17 Oct 2009 10:52:25 +0100
parents 431866ad1262
children ed654243eb5d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env lua
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2 -- Prosody IM
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3 -- Copyright (C) 2008-2009 Matthew Wild
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4 -- Copyright (C) 2008-2009 Waqas Hussain
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cccd610a0ef9 Insert copyright/license headers
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5 --
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6 -- This project is MIT/X11 licensed. Please see the
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7 -- COPYING file in the source package for more information.
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8 --
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9
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10 -- Will be modified by configure script if run --
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11
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12 CFG_SOURCEDIR=os.getenv("PROSODY_SRCDIR");
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13 CFG_CONFIGDIR=os.getenv("PROSODY_CFGDIR");
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14 CFG_PLUGINDIR=os.getenv("PROSODY_PLUGINDIR");
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15 CFG_DATADIR=os.getenv("PROSODY_DATADIR");
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16
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17 -- -- -- -- -- -- -- ---- -- -- -- -- -- -- -- --
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18
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19 if CFG_SOURCEDIR then
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20 package.path = CFG_SOURCEDIR.."/?.lua;"..package.path;
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21 package.cpath = CFG_SOURCEDIR.."/?.so;"..package.cpath;
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22 end
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23
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24 package.path = package.path..";"..(CFG_SOURCEDIR or ".").."/fallbacks/?.lua";
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25 package.cpath = package.cpath..";"..(CFG_SOURCEDIR or ".").."/fallbacks/?.so";
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26
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21dc299387a6 Installation improvements (auto-creation of data directories)
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27 if CFG_DATADIR then
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66f145f5c932 Update Makefile to now pass config paths to prosody. Update prosody, modulemanager and connectionlisteners to obey these paths.
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28 if os.getenv("HOME") then
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29 CFG_DATADIR = CFG_DATADIR:gsub("^~", os.getenv("HOME"));
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30 end
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31 end
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32
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33 -- Required to be able to find packages installed with luarocks
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34 pcall(require, "luarocks.require")
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36
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37 config = require "core.configmanager"
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38
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39 function read_config()
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40 -- TODO: Check for other formats when we add support for them
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41 -- Use lfs? Make a new conf/ dir?
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42 local ok, level, err = config.load((CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
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43 if not ok then
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44 print("\n");
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45 print("**************************");
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46 if level == "parser" then
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47 print("A problem occured while reading the config file "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
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48 local err_line, err_message = tostring(err):match("%[string .-%]:(%d*): (.*)");
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49 print("Error"..(err_line and (" on line "..err_line) or "")..": "..(err_message or tostring(err)));
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50 print("");
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51 elseif level == "file" then
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52 print("Prosody was unable to find the configuration file.");
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53 print("We looked for: "..(CFG_CONFIGDIR or ".").."/prosody.cfg.lua");
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54 print("A sample config file is included in the Prosody download called prosody.cfg.lua.dist");
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55 print("Copy or rename it to prosody.cfg.lua and edit as necessary.");
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56 end
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57 print("More help on configuring Prosody can be found at http://prosody.im/doc/configure");
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58 print("Good luck!");
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59 print("**************************");
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60 print("");
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61 os.exit(1);
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62 end
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63 end
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64
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65 function load_libraries()
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66 --- Initialize logging
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67 require "core.loggingmanager"
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68
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69 --- Check runtime dependencies
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70 require "util.dependencies"
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71
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72 --- Load socket framework
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73 server = require "net.server"
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74 end
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75
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76 function init_global_state()
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77 bare_sessions = {};
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78 full_sessions = {};
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79 hosts = {};
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80
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81 -- Global 'prosody' object
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82 prosody = {};
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83 local prosody = prosody;
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84
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85 prosody.bare_sessions = bare_sessions;
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86 prosody.full_sessions = full_sessions;
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87 prosody.hosts = hosts;
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88
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89 prosody.paths = { source = CFG_SOURCEDIR, config = CFG_CONFIGDIR,
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90 plugins = CFG_PLUGINDIR, data = CFG_DATADIR };
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91
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92 prosody.arg = _G.arg;
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93
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94 prosody.events = require "util.events".new();
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95
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96 prosody.platform = "unknown";
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97 if os.getenv("WINDIR") then
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98 prosody.platform = "windows";
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99 elseif package.config:sub(1,1) == "/" then
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100 prosody.platform = "posix";
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101 end
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102
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103 prosody.installed = nil;
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104 if CFG_SOURCEDIR and (prosody.platform == "windows" or CFG_SOURCEDIR:match("^/")) then
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105 prosody.installed = true;
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106 end
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107
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108 -- Function to reload the config file
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109 function prosody.reload_config()
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110 log("info", "Reloading configuration file");
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111 prosody.events.fire_event("reloading-config");
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112 local ok, level, err = config.load((rawget(_G, "CFG_CONFIGDIR") or ".").."/prosody.cfg.lua");
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113 if not ok then
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114 if level == "parser" then
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115 log("error", "There was an error parsing the configuration file: %s", tostring(err));
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116 elseif level == "file" then
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117 log("error", "Couldn't read the config file when trying to reload: %s", tostring(err));
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118 end
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119 end
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64837ed2d112 prosody: Return success/error from prosody.reload_config()
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120 return ok, (err and tostring(level)..": "..tostring(err)) or nil;
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121 end
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122
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123 -- Function to reopen logfiles
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124 function prosody.reopen_logfiles()
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125 log("info", "Re-opening log files");
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126 eventmanager.fire_event("reopen-log-files"); -- Handled by appropriate log sinks
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127 prosody.events.fire_event("reopen-log-files");
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128 end
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129
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130 -- Function to initiate prosody shutdown
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131 function prosody.shutdown(reason)
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132 log("info", "Shutting down: %s", reason or "unknown reason");
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133 prosody.shutdown_reason = reason;
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134 prosody.events.fire_event("server-stopping", {reason = reason});
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135 server.setquitting(true);
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136 end
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137 end
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diff changeset
138
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diff changeset
139 function read_version()
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140 -- Try to determine version
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141 local version_file = io.open((CFG_SOURCEDIR or ".").."/prosody.version");
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142 if version_file then
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143 prosody.version = version_file:read("*a"):gsub("%s*$", "");
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144 version_file:close();
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diff changeset
145 if #prosody.version == 12 and prosody.version:match("^[a-f0-9]+$") then
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146 prosody.version = "hg:"..prosody.version;
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147 end
1529
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148 else
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149 prosody.version = "unknown";
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150 end
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151 end
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152
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153 function load_secondary_libraries()
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154 --- Load and initialise core modules
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155 require "util.import"
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156 require "core.xmlhandlers"
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157 require "core.rostermanager"
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158 require "core.eventmanager"
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159 require "core.hostmanager"
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160 require "core.modulemanager"
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161 require "core.usermanager"
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162 require "core.sessionmanager"
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163 require "core.stanza_router"
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parents: 524
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164
1967
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parents: 1966
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165 require "net.http"
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166
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167 require "util.array"
1967
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168 require "util.datetime"
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169 require "util.iterators"
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170 require "util.timer"
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171 require "util.helpers"
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172
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173 pcall(require, "util.signal") -- Not on Windows
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174
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175 -- Commented to protect us from
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176 -- the second kind of people
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177 --[[
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178 pcall(require, "remdebug.engine");
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179 if remdebug then remdebug.engine.start() end
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180 ]]
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parents: 524
diff changeset
181
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182 require "net.connlisteners";
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diff changeset
183
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diff changeset
184 require "util.stanza"
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185 require "util.jid"
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186 end
576
c8442d9f02a5 Move the setting of data_path to fix #unfiledbug
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parents: 573
diff changeset
187
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diff changeset
188 function init_data_store()
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189 local data_path = config.get("*", "core", "data_path") or CFG_DATADIR or "data";
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190 require "util.datamanager".set_data_path(data_path);
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diff changeset
191 require "util.datamanager".add_callback(function(username, host, datastore, data)
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diff changeset
192 if config.get(host, "core", "anonymous_login") then
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193 return false;
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diff changeset
194 end
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195 return username, host, datastore, data;
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196 end);
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197 end
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198
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199 function prepare_to_start()
1529
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200 -- Signal to modules that we are ready to start
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diff changeset
201 eventmanager.fire_event("server-starting");
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202 prosody.events.fire_event("server-starting");
133
b92493ea6fd7 Fixed: Works when LuaRocks is not present
Waqas Hussain <waqas20@gmail.com>
parents: 99
diff changeset
203
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204 -- Load SSL settings from config, and create a ctx table
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205 local global_ssl_ctx = ssl and config.get("*", "core", "ssl");
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206 if global_ssl_ctx then
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207 local default_ssl_ctx = { mode = "server", protocol = "sslv23", capath = "/etc/ssl/certs", verify = "none"; };
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208 setmetatable(global_ssl_ctx, { __index = default_ssl_ctx });
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209 end
0
3e3171b59028 First commit, where do you want to go tomorrow?
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parents:
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210
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211 local cl = require "net.connlisteners";
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212 -- start listening on sockets
1966
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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diff changeset
213 function prosody.net_activate_ports(option, listener, default, conntype)
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e17001ce0e9d prosody: net_activate_ports: Check listener exists before trying to open port for it
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214 if not cl.get(listener) then return; end
1529
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215 local ports = config.get("*", "core", option.."_ports") or default;
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216 if type(ports) == "number" then ports = {ports} end;
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217
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diff changeset
218 if type(ports) ~= "table" then
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219 log("error", "core."..option.." is not a table");
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220 else
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221 for _, port in ipairs(ports) do
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diff changeset
222 if type(port) ~= "number" then
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223 log("error", "Non-numeric "..option.."_ports: "..tostring(port));
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224 else
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225 cl.start(listener, {
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226 ssl = conntype ~= "tcp" and global_ssl_ctx,
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227 port = port,
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228 interface = config.get("*", "core", option.."_interface")
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229 or cl.get(listener).default_interface
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230 or config.get("*", "core", "interface"),
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231 type = conntype
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232 });
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233 end
605
8458be0941e7 Added: Ports now read from the config
Waqas Hussain <waqas20@gmail.com>
parents: 580
diff changeset
234 end
8458be0941e7 Added: Ports now read from the config
Waqas Hussain <waqas20@gmail.com>
parents: 580
diff changeset
235 end
8458be0941e7 Added: Ports now read from the config
Waqas Hussain <waqas20@gmail.com>
parents: 580
diff changeset
236 end
8458be0941e7 Added: Ports now read from the config
Waqas Hussain <waqas20@gmail.com>
parents: 580
diff changeset
237
1966
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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parents: 1894
diff changeset
238 prosody.net_activate_ports("c2s", "xmppclient", {5222}, (global_ssl_ctx and "tls") or "tcp");
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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parents: 1894
diff changeset
239 prosody.net_activate_ports("s2s", "xmppserver", {5269}, (global_ssl_ctx and "tls") or "tcp");
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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parents: 1894
diff changeset
240 prosody.net_activate_ports("component", "xmppcomponent", {}, "tcp");
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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parents: 1894
diff changeset
241 prosody.net_activate_ports("legacy_ssl", "xmppclient", {}, "ssl");
431866ad1262 prosody: Rename global net_activate_ports -> prosody.net_activate_ports
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parents: 1894
diff changeset
242 prosody.net_activate_ports("console", "console", {5582}, "tcp");
1
b8787e859fd2 Switched to new connection framework, courtesy of the luadch project
matthew
parents: 0
diff changeset
243
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diff changeset
244 prosody.start_time = os.time();
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245 end
382
9daf1e3d278e Add initial mod_console
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parents: 381
diff changeset
246
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diff changeset
247 function init_global_protection()
1529
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248 -- Catch global accesses --
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249 local locked_globals_mt = { __index = function (t, k) error("Attempt to read a non-existent global '"..k.."'", 2); end, __newindex = function (t, k, v) error("Attempt to set a global: "..tostring(k).." = "..tostring(v), 2); end }
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250
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diff changeset
251 function prosody.unlock_globals()
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diff changeset
252 setmetatable(_G, nil);
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253 end
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254
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diff changeset
255 function prosody.lock_globals()
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diff changeset
256 setmetatable(_G, locked_globals_mt);
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diff changeset
257 end
943
7f161205121d Add lock_globals() and unlock_globals() functions (for when you really need to use globals)
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diff changeset
258
1529
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259 -- And lock now...
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diff changeset
260 prosody.lock_globals();
943
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parents: 942
diff changeset
261 end
7f161205121d Add lock_globals() and unlock_globals() functions (for when you really need to use globals)
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parents: 942
diff changeset
262
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diff changeset
263 function loop()
1529
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diff changeset
264 -- Error handler for errors that make it this far
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diff changeset
265 local function catch_uncaught_error(err)
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diff changeset
266 if err:match("%d*: interrupted!$") then
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diff changeset
267 return "quitting";
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268 end
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269
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diff changeset
270 log("error", "Top-level error, please report:\n%s", tostring(err));
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diff changeset
271 local traceback = debug.traceback("", 2);
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diff changeset
272 if traceback then
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diff changeset
273 log("error", "%s", traceback);
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274 end
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275
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parents: 1523
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276 prosody.events.fire_event("very-bad-error", {error = err, traceback = traceback});
992
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
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parents: 978
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277 end
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
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278
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279 while select(2, xpcall(server.loop, catch_uncaught_error)) ~= "quitting" do
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
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280 socket.sleep(0.2);
b5e4215f797d prosody: Start of refactoring of main file
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281 end
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3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
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parents: 978
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282 end
1026
e640df2e4e9b prosody: Fire events during server shutdown process
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283
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284 function cleanup()
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parents: 1523
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285 log("info", "Shutdown status: Cleaning up");
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
286 prosody.events.fire_event("server-cleanup");
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parents: 1523
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287
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
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288 -- Ok, we're quitting I know, but we
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
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289 -- need to do some tidying before we go :)
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
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290 server.setquitting(false);
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
291
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
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292 log("info", "Shutdown status: Closing all active sessions");
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
293 for hostname, host in pairs(hosts) do
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
294 log("debug", "Shutdown status: Closing client connections for %s", hostname)
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
295 if host.sessions then
1561
04442f3ebe40 prosody: Send friendly text with system-shutdown stream error
Matthew Wild <mwild1@gmail.com>
parents: 1557
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296 local reason = { condition = "system-shutdown", text = "Server is shutting down" };
04442f3ebe40 prosody: Send friendly text with system-shutdown stream error
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parents: 1557
diff changeset
297 if prosody.shutdown_reason then
04442f3ebe40 prosody: Send friendly text with system-shutdown stream error
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parents: 1557
diff changeset
298 reason.text = reason.text..": "..prosody.shutdown_reason;
04442f3ebe40 prosody: Send friendly text with system-shutdown stream error
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parents: 1557
diff changeset
299 end
1529
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parents: 1523
diff changeset
300 for username, user in pairs(host.sessions) do
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
301 for resource, session in pairs(user.sessions) do
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parents: 1523
diff changeset
302 log("debug", "Closing connection for %s@%s/%s", username, hostname, resource);
1561
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parents: 1557
diff changeset
303 session:close(reason);
1529
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
304 end
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
305 end
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
306 end
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
307
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
308 log("debug", "Shutdown status: Closing outgoing s2s connections from %s", hostname);
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
309 if host.s2sout then
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
310 for remotehost, session in pairs(host.s2sout) do
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
311 if session.close then
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
312 session:close("system-shutdown");
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
313 else
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
314 log("warn", "Unable to close outgoing s2s session to %s, no session:close()?!", remotehost);
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
315 end
992
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
Matthew Wild <mwild1@gmail.com>
parents: 978
diff changeset
316 end
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
Matthew Wild <mwild1@gmail.com>
parents: 978
diff changeset
317 end
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
Matthew Wild <mwild1@gmail.com>
parents: 978
diff changeset
318 end
1529
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
319
b5e4215f797d prosody: Start of refactoring of main file
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parents: 1523
diff changeset
320 log("info", "Shutdown status: Closing all server connections");
b5e4215f797d prosody: Start of refactoring of main file
Matthew Wild <mwild1@gmail.com>
parents: 1523
diff changeset
321 server.closeall();
992
3153eff6dae2 prosody: Add prosody_shutdown() function to initiate a server shutdown, add code to gracefully close connections before stopping
Matthew Wild <mwild1@gmail.com>
parents: 978
diff changeset
322
1091
5ca2d3a33269 prosody: Define prosody_shutdown() before emitting the server-starting event
Matthew Wild <mwild1@gmail.com>
parents: 1086
diff changeset
323 server.setquitting(true);
5ca2d3a33269 prosody: Define prosody_shutdown() before emitting the server-starting event
Matthew Wild <mwild1@gmail.com>
parents: 1086
diff changeset
324 end
5ca2d3a33269 prosody: Define prosody_shutdown() before emitting the server-starting event
Matthew Wild <mwild1@gmail.com>
parents: 1086
diff changeset
325
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Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
326 read_config();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
327 load_libraries();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
328 init_global_state();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
329 read_version();
0494f5e3be23 prosody: Call initialisation functions at once
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parents: 1529
diff changeset
330 log("info", "Hello and welcome to Prosody version %s", prosody.version);
0494f5e3be23 prosody: Call initialisation functions at once
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parents: 1529
diff changeset
331 load_secondary_libraries();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
332 init_data_store();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
333 prepare_to_start();
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
334 init_global_protection();
1493
42a6a197bed1 prosody: Record time the server started
Matthew Wild <mwild1@gmail.com>
parents: 1455
diff changeset
335
569
5216efe6088b Add hostmanager, and eventmanager
Matthew Wild <mwild1@gmail.com>
parents: 524
diff changeset
336 eventmanager.fire_event("server-started");
1365
864a99eff6d7 Main: Don't use empty event data objects for some global events. Some handlers don't expect it.
Waqas Hussain <waqas20@gmail.com>
parents: 1364
diff changeset
337 prosody.events.fire_event("server-started");
359
8fbfa8f885a6 Add event for server startup completed: server-started
Matthew Wild <mwild1@gmail.com>
parents: 260
diff changeset
338
1530
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
339 loop();
853
c0a40522041e prosody: Log top-level errors
Matthew Wild <mwild1@gmail.com>
parents: 843
diff changeset
340
1530
0494f5e3be23 prosody: Call initialisation functions at once
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parents: 1529
diff changeset
341 log("info", "Shutting down...");
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
342 cleanup();
1026
e640df2e4e9b prosody: Fire events during server shutdown process
Matthew Wild <mwild1@gmail.com>
parents: 1017
diff changeset
343 eventmanager.fire_event("server-stopped");
1365
864a99eff6d7 Main: Don't use empty event data objects for some global events. Some handlers don't expect it.
Waqas Hussain <waqas20@gmail.com>
parents: 1364
diff changeset
344 prosody.events.fire_event("server-stopped");
1530
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
345 log("info", "Shutdown complete");
0494f5e3be23 prosody: Call initialisation functions at once
Matthew Wild <mwild1@gmail.com>
parents: 1529
diff changeset
346