Software / code / prosody
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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 |
|---|---|
| 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 |
