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plugins/mod_console.lua @ 444:77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
author | Matthew Wild <mwild1@gmail.com> |
---|---|
date | Thu, 27 Nov 2008 23:36:17 +0000 |
parent | 440:dee02bf4656a |
child | 461:8e66201f566a |
rev | line source |
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382 | 1 |
2 local connlisteners_register = require "net.connlisteners".register; | |
3 | |
4 local console_listener = { default_port = 5582; default_mode = "*l"; }; | |
5 | |
6 local commands = {}; | |
411 | 7 local def_env = {}; |
8 local default_env_mt = { __index = def_env }; | |
382 | 9 |
10 console = {}; | |
11 | |
12 function console:new_session(conn) | |
13 local w = conn.write; | |
411 | 14 local session = { conn = conn; |
382 | 15 send = function (t) w(tostring(t)); end; |
16 print = function (t) w("| "..tostring(t).."\n"); end; | |
17 disconnect = function () conn.close(); end; | |
18 }; | |
411 | 19 session.env = setmetatable({}, default_env_mt); |
20 | |
21 -- Load up environment with helper objects | |
22 for name, t in pairs(def_env) do | |
23 if type(t) == "table" then | |
24 session.env[name] = setmetatable({ session = session }, { __index = t }); | |
25 end | |
26 end | |
27 | |
28 return session; | |
382 | 29 end |
30 | |
31 local sessions = {}; | |
32 | |
33 function console_listener.listener(conn, data) | |
34 local session = sessions[conn]; | |
35 | |
36 if not session then | |
37 -- Handle new connection | |
38 session = console:new_session(conn); | |
39 sessions[conn] = session; | |
440 | 40 printbanner(session); |
382 | 41 end |
42 if data then | |
43 -- Handle data | |
44 | |
45 if data:match("[!.]$") then | |
46 local command = data:lower(); | |
47 command = data:match("^%w+") or data:match("%p"); | |
48 if commands[command] then | |
49 commands[command](session, data); | |
50 return; | |
51 end | |
52 end | |
53 | |
54 session.env._ = data; | |
55 | |
56 local chunk, err = loadstring("return "..data); | |
57 if not chunk then | |
58 chunk, err = loadstring(data); | |
59 if not chunk then | |
60 err = err:gsub("^%[string .-%]:%d+: ", ""); | |
61 err = err:gsub("^:%d+: ", ""); | |
62 err = err:gsub("'<eof>'", "the end of the line"); | |
63 session.print("Sorry, I couldn't understand that... "..err); | |
64 return; | |
65 end | |
66 end | |
67 | |
68 setfenv(chunk, session.env); | |
69 local ranok, taskok, message = pcall(chunk); | |
70 | |
71 if not ranok then | |
72 session.print("Fatal error while running command, it did not complete"); | |
73 session.print("Error: "..taskok); | |
74 return; | |
75 end | |
76 | |
77 if not message then | |
78 session.print("Result: "..tostring(taskok)); | |
79 return; | |
80 elseif (not taskok) and message then | |
81 session.print("Command completed with a problem"); | |
82 session.print("Message: "..tostring(message)); | |
83 return; | |
84 end | |
85 | |
86 session.print("OK: "..tostring(message)); | |
87 end | |
88 end | |
89 | |
90 function console_listener.disconnect(conn, err) | |
91 | |
92 end | |
93 | |
94 connlisteners_register('console', console_listener); | |
95 | |
96 -- Console commands -- | |
97 -- These are simple commands, not valid standalone in Lua | |
98 | |
99 function commands.bye(session) | |
100 session.print("See you! :)"); | |
101 session.disconnect(); | |
102 end | |
103 | |
104 commands["!"] = function (session, data) | |
105 if data:match("^!!") then | |
106 session.print("!> "..session.env._); | |
107 return console_listener.listener(session.conn, session.env._); | |
108 end | |
109 local old, new = data:match("^!(.-[^\\])!(.-)!$"); | |
110 if old and new then | |
111 local ok, res = pcall(string.gsub, session.env._, old, new); | |
112 if not ok then | |
113 session.print(res) | |
114 return; | |
115 end | |
116 session.print("!> "..res); | |
117 return console_listener.listener(session.conn, res); | |
118 end | |
119 session.print("Sorry, not sure what you want"); | |
120 end | |
121 | |
122 -- Session environment -- | |
411 | 123 -- Anything in def_env will be accessible within the session as a global variable |
382 | 124 |
411 | 125 def_env.server = {}; |
126 function def_env.server:reload() | |
382 | 127 dofile "main.lua" |
128 return true, "Server reloaded"; | |
129 end | |
130 | |
411 | 131 def_env.module = {}; |
444
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
132 function def_env.module:load(name, host, config) |
382 | 133 local mm = require "modulemanager"; |
444
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
134 local ok, err = mm.load(host or self.env.host, name, config); |
382 | 135 if not ok then |
136 return false, err or "Unknown error loading module"; | |
137 end | |
138 return true, "Module loaded"; | |
139 end | |
140 | |
444
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
141 function def_env.module:unload(name, host) |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
142 local mm = require "modulemanager"; |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
143 local ok, err = mm.unload(host or self.env.host, name); |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
144 if not ok then |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
145 return false, err or "Unknown error unloading module"; |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
146 end |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
147 return true, "Module unloaded"; |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
148 end |
77485b9b840c
Add module:unload() to mod_console, and allow module:load() to take config param
Matthew Wild <mwild1@gmail.com>
parents:
440
diff
changeset
|
149 |
411 | 150 def_env.config = {}; |
151 function def_env.config:load(filename, format) | |
152 local config_load = require "core.configmanager".load; | |
153 local ok, err = config_load(filename, format); | |
382 | 154 if not ok then |
155 return false, err or "Unknown error loading config"; | |
156 end | |
157 return true, "Config loaded"; | |
158 end | |
411 | 159 |
160 function def_env.config:get(host, section, key) | |
161 local config_get = require "core.configmanager".get | |
162 return true, tostring(config_get(host, section, key)); | |
163 end | |
164 | |
165 def_env.hosts = {}; | |
166 function def_env.hosts:list() | |
167 for host, host_session in pairs(hosts) do | |
168 self.session.print(host); | |
169 end | |
170 return true, "Done"; | |
171 end | |
172 | |
173 function def_env.hosts:add(name) | |
174 end | |
440 | 175 |
176 ------------- | |
177 | |
178 function printbanner(session) | |
179 session.print [[ | |
180 ____ \ / _ | |
181 | _ \ _ __ ___ ___ _-_ __| |_ _ | |
182 | |_) | '__/ _ \/ __|/ _ \ / _` | | | | | |
183 | __/| | | (_) \__ \ |_| | (_| | |_| | | |
184 |_| |_| \___/|___/\___/ \__,_|\__, | | |
185 A study in simplicity |___/ | |
186 | |
187 ]] | |
188 session.print("Welcome to the Prosody administration console. For a list of commands, type: help"); | |
189 session.print("You may find more help on using this console in our online documentation at "); | |
190 session.print("http://prosody.im/doc/console\n"); | |
191 end |