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| -rw-r--r-- | applications/luci-asterisk/luasrc/asterisk.lua | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/applications/luci-asterisk/luasrc/asterisk.lua b/applications/luci-asterisk/luasrc/asterisk.lua new file mode 100644 index 0000000000..c1b099dc5a --- /dev/null +++ b/applications/luci-asterisk/luasrc/asterisk.lua @@ -0,0 +1,198 @@ +--[[ +LuCI - Lua Configuration Interface +Asterisk PBX interface library + +Copyright 2009 Jo-Philipp Wich <xm@subsignal.org> + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + +http://www.apache.org/licenses/LICENSE-2.0 + +$Id$ + +]]-- + +module("luci.asterisk", package.seeall) + +local _io = require("io") +local sys = require("luci.sys") +local util = require("luci.util") + +AST_BIN = "/usr/sbin/asterisk" +AST_FLAGS = "-r -x" + + +--- LuCI Asterisk io interface +-- Handles low level io. +-- @type module +io = luci.util.class() + +--- Execute command and return output +-- @param command String containing the command to execute +-- @return String containing the command output +function io.exec(command) + local fh = _io.popen( "%s %s %q" %{ AST_BIN, AST_FLAGS, command }, "r" ) + assert(fh, "Failed to invoke asterisk") + + local buffer = fh:read("*a") + fh:close() + return buffer +end + +--- Execute command and invoke given callback for each readed line +-- @param command String containing the command to execute +-- @param callback Function to call back for each line +-- @return Always true +function io.execl(command, callback) + local ln + local fh = _io.popen( "%s %s %q" %{ AST_BIN, AST_FLAGS, command }, "r" ) + assert(fh, "Failed to invoke asterisk") + + repeat + ln = fh:read("*l") + callback(ln) + until not ln + + fh:close() + return true +end + +--- Execute command and return an iterator that returns one line per invokation +-- @param command String containing the command to execute +-- @return Iterator function +function io.execi(command) + local fh = _io.popen( "%s %s %q" %{ AST_BIN, AST_FLAGS, command }, "r" ) + assert(fh, "Failed to invoke asterisk") + + return function() + local ln = fh:read("*l") + if not ln then fh:close() end + return ln + end +end + + +--- LuCI Asterisk - core status +core = luci.util.class() + +--- Retrive version string. +-- @return String containing the reported asterisk version +function core.version(self) + local version = io.exec("core show version") + return version:gsub(" *\n", "") +end + + +--- LuCI Asterisk - SIP information. +-- @type module +sip = luci.util.class() + +--- Get a list of known SIP peers +-- @return Table containing each SIP peer +function sip.peers(self) + local head = false + local peers = { } + + for line in io.execi("sip show peers") do + if not head then + head = true + elseif not line:match(" sip peers ") then + local online, delay, id, uid + local name, host, dyn, nat, acl, port, status = + line:match("(.-) +(.-) +([D ]) ([N ]) (.) (%d+) +(.+)") + + if host == '(Unspecified)' then host = nil end + if port == '0' then port = nil else port = tonumber(port) end + + dyn = ( dyn == 'D' and true or false ) + nat = ( nat == 'N' and true or false ) + acl = ( acl ~= ' ' and true or false ) + + online, delay = status:match("(OK) %((%d+) ms%)") + + if online == 'OK' then + online = true + delay = tonumber(delay) + elseif status ~= 'Unmonitored' then + online = false + delay = 0 + else + online = nil + delay = 0 + end + + id, uid = name:match("(.+)/(.+)") + + if not ( id and uid ) then + id = name .. "..." + uid = nil + end + + peers[#peers+1] = { + online = online, + delay = delay, + name = id, + user = uid, + dynamic = dyn, + nat = nat, + acl = acl, + host = host, + port = port + } + end + end + + return peers +end + +--- Get informations of given SIP peer +-- @param peer String containing the name of the SIP peer +function sip.peer(peer) + local info = { } + local keys = { } + + for line in io.execi("sip show peer " .. peer) do + if #line > 0 then + local key, val = line:match("(.-) *: +(.*)") + if key and val then + + key = key:gsub("^ +",""):gsub(" +$", "") + val = val:gsub("^ +",""):gsub(" +$", "") + + if key == "* Name" then + key = "Name" + elseif key == "Addr->IP" then + info.address, info.port = val:match("(.+) Port (.+)") + info.port = tonumber(info.port) + elseif key == "Status" then + info.online, info.delay = val:match("(OK) %((%d+) ms%)") + if info.online == 'OK' then + info.online = true + info.delay = tonumber(info.delay) + elseif status ~= 'Unmonitored' then + info.online = false + info.delay = 0 + else + info.online = nil + info.delay = 0 + end + end + + if val == 'Yes' or val == 'yes' or val == '<Set>' then + val = true + elseif val == 'No' or val == 'no' then + val = false + elseif val == '<Not set>' or val == '(none)' then + val = nil + end + + keys[#keys+1] = key + info[key] = val + end + end + end + + return info, keys +end |