Thu, 29 Jan 2009 02:13:30 +0000
configmanager: Add support for defining components
615 | 1 | -- Prosody IM v0.2 |
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2 | -- Copyright (C) 2008 Matthew Wild |
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3 | -- Copyright (C) 2008 Waqas Hussain |
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4 | -- |
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5 | -- This program is free software; you can redistribute it and/or |
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6 | -- modify it under the terms of the GNU General Public License |
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7 | -- as published by the Free Software Foundation; either version 2 |
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8 | -- of the License, or (at your option) any later version. |
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9 | -- |
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10 | -- This program is distributed in the hope that it will be useful, |
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11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | -- GNU General Public License for more details. |
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14 | -- |
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15 | -- You should have received a copy of the GNU General Public License |
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16 | -- along with this program; if not, write to the Free Software |
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17 | -- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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18 | -- |
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19 | |
736 | 20 | module.host = "*"; |
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21 | |
736 | 22 | local connlisteners_register = require "net.connlisteners".register; |
23 | ||
24 | local console_listener = { default_port = 5582; default_mode = "*l"; }; | |
25 | ||
26 | local commands = {}; | |
27 | local def_env = {}; | |
28 | local default_env_mt = { __index = def_env }; | |
29 | ||
30 | console = {}; | |
31 | ||
32 | function console:new_session(conn) | |
33 | local w = function(s) conn.write(s:gsub("\n", "\r\n")); end; | |
34 | local session = { conn = conn; | |
35 | send = function (t) w(tostring(t)); end; | |
36 | print = function (t) w("| "..tostring(t).."\n"); end; | |
37 | disconnect = function () conn.close(); end; | |
38 | }; | |
39 | session.env = setmetatable({}, default_env_mt); | |
40 | ||
41 | -- Load up environment with helper objects | |
42 | for name, t in pairs(def_env) do | |
43 | if type(t) == "table" then | |
44 | session.env[name] = setmetatable({ session = session }, { __index = t }); | |
45 | end | |
46 | end | |
47 | ||
48 | return session; | |
49 | end | |
50 | ||
51 | local sessions = {}; | |
52 | ||
53 | function console_listener.listener(conn, data) | |
54 | local session = sessions[conn]; | |
55 | ||
56 | if not session then | |
57 | -- Handle new connection | |
58 | session = console:new_session(conn); | |
59 | sessions[conn] = session; | |
60 | printbanner(session); | |
61 | end | |
62 | if data then | |
63 | -- Handle data | |
64 | (function(session, data) | |
65 | if data:match("[!.]$") then | |
66 | local command = data:lower(); | |
67 | command = data:match("^%w+") or data:match("%p"); | |
68 | if commands[command] then | |
69 | commands[command](session, data); | |
70 | return; | |
71 | end | |
72 | end | |
73 | ||
74 | session.env._ = data; | |
75 | ||
76 | local chunk, err = loadstring("return "..data); | |
77 | if not chunk then | |
78 | chunk, err = loadstring(data); | |
79 | if not chunk then | |
80 | err = err:gsub("^%[string .-%]:%d+: ", ""); | |
81 | err = err:gsub("^:%d+: ", ""); | |
82 | err = err:gsub("'<eof>'", "the end of the line"); | |
83 | session.print("Sorry, I couldn't understand that... "..err); | |
84 | return; | |
85 | end | |
86 | end | |
87 | ||
88 | setfenv(chunk, session.env); | |
89 | local ranok, taskok, message = pcall(chunk); | |
90 | ||
91 | if not ranok then | |
92 | session.print("Fatal error while running command, it did not complete"); | |
93 | session.print("Error: "..taskok); | |
94 | return; | |
95 | end | |
96 | ||
97 | if not message then | |
98 | session.print("Result: "..tostring(taskok)); | |
99 | return; | |
100 | elseif (not taskok) and message then | |
101 | session.print("Command completed with a problem"); | |
102 | session.print("Message: "..tostring(message)); | |
103 | return; | |
104 | end | |
105 | ||
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106 | session.print("OK: "..tostring(message)); |
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107 | end)(session, data); |
736 | 108 | end |
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109 | session.send(string.char(0)); |
736 | 110 | end |
111 | ||
112 | function console_listener.disconnect(conn, err) | |
113 | ||
114 | end | |
115 | ||
116 | connlisteners_register('console', console_listener); | |
117 | ||
118 | -- Console commands -- | |
119 | -- These are simple commands, not valid standalone in Lua | |
120 | ||
121 | function commands.bye(session) | |
122 | session.print("See you! :)"); | |
123 | session.disconnect(); | |
124 | end | |
125 | ||
126 | commands["!"] = function (session, data) | |
127 | if data:match("^!!") then | |
128 | session.print("!> "..session.env._); | |
129 | return console_listener.listener(session.conn, session.env._); | |
130 | end | |
131 | local old, new = data:match("^!(.-[^\\])!(.-)!$"); | |
132 | if old and new then | |
133 | local ok, res = pcall(string.gsub, session.env._, old, new); | |
134 | if not ok then | |
135 | session.print(res) | |
136 | return; | |
137 | end | |
138 | session.print("!> "..res); | |
139 | return console_listener.listener(session.conn, res); | |
140 | end | |
141 | session.print("Sorry, not sure what you want"); | |
142 | end | |
143 | ||
144 | -- Session environment -- | |
145 | -- Anything in def_env will be accessible within the session as a global variable | |
146 | ||
147 | def_env.server = {}; | |
148 | function def_env.server:reload() | |
149 | dofile "prosody" | |
150 | return true, "Server reloaded"; | |
151 | end | |
152 | ||
153 | def_env.module = {}; | |
154 | function def_env.module:load(name, host, config) | |
155 | local mm = require "modulemanager"; | |
156 | local ok, err = mm.load(host or self.env.host, name, config); | |
157 | if not ok then | |
158 | return false, err or "Unknown error loading module"; | |
159 | end | |
160 | return true, "Module loaded"; | |
161 | end | |
162 | ||
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163 | function def_env.module:unload(name, host) |
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164 | local mm = require "modulemanager"; |
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165 | local ok, err = mm.unload(host or self.env.host, name); |
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166 | if not ok then |
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167 | return false, err or "Unknown error unloading module"; |
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168 | end |
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169 | return true, "Module unloaded"; |
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170 | end |
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171 | |
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172 | function def_env.module:reload(name, host) |
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173 | local mm = require "modulemanager"; |
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174 | local ok, err = mm.reload(host or self.env.host, name); |
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175 | if not ok then |
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176 | return false, err or "Unknown error reloading module"; |
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177 | end |
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178 | return true, "Module reloaded"; |
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179 | end |
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180 | |
736 | 181 | def_env.config = {}; |
182 | function def_env.config:load(filename, format) | |
183 | local config_load = require "core.configmanager".load; | |
184 | local ok, err = config_load(filename, format); | |
185 | if not ok then | |
186 | return false, err or "Unknown error loading config"; | |
187 | end | |
188 | return true, "Config loaded"; | |
189 | end | |
190 | ||
191 | function def_env.config:get(host, section, key) | |
192 | local config_get = require "core.configmanager".get | |
193 | return true, tostring(config_get(host, section, key)); | |
194 | end | |
195 | ||
196 | def_env.hosts = {}; | |
197 | function def_env.hosts:list() | |
198 | for host, host_session in pairs(hosts) do | |
199 | self.session.print(host); | |
200 | end | |
201 | return true, "Done"; | |
202 | end | |
203 | ||
204 | function def_env.hosts:add(name) | |
205 | end | |
206 | ||
207 | ------------- | |
208 | ||
209 | function printbanner(session) | |
210 | session.print [[ | |
211 | ____ \ / _ | |
212 | | _ \ _ __ ___ ___ _-_ __| |_ _ | |
213 | | |_) | '__/ _ \/ __|/ _ \ / _` | | | | | |
214 | | __/| | | (_) \__ \ |_| | (_| | |_| | | |
215 | |_| |_| \___/|___/\___/ \__,_|\__, | | |
216 | A study in simplicity |___/ | |
217 | ||
218 | ]] | |
219 | session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); | |
220 | session.print("You may find more help on using this console in our online documentation at "); | |
221 | session.print("http://prosody.im/doc/console\n"); | |
222 | end |