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Add. Lua part of fax_queue.
To poll active task you can run `luarun fax_queue_poll_once.lua`
This commit is contained in:
Alexey Melnichuk
185
resources/install/scripts/fax_queue/exec.lua
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185
resources/install/scripts/fax_queue/exec.lua
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-- @usage without queue
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-- api: originate {fax_file='',wav_file='',fax_dtmf=''}user/108@domain.local &lua(fax_task.lua)
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-- @usage with queue task
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-- api: originate {task_uuid=''}user/108@domain.local &lua(fax_task.lua)
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-- @fax_dtmf
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-- 0-9*# - dtmf symbols
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-- @200 - dtmf duration in ms
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-- p - pause 500 ms
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-- P - pause 1000 ms
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--
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-- example: pause 5 sec dial 008 pause 2 sec paly greeting
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-- PPPPP008@300PP
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--
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-- api: originate {fax_file='d:/fax/file1.tiff',wav_file='c:/FreeSWITCH/sounds/music/8000/suite-espanola-op-47-leyenda_x8.wav',fax_dtmf=''}user/101@sip.office.intelcom-tg.ru &lua(fax_task.lua)
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require "resources.functions.config"
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local log = require "resources.functions.log".fax_task
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-- If we handle queue task
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local task_uuid = session:getVariable('task_uuid')
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local task if task_uuid then
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local Tasks = require "fax_queue.tasks"
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task = Tasks.select_task(task_uuid)
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if not task then
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log.warningf("Can not found fax task: %q", tostring(task_uuid))
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return
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end
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end
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if task then
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local str = 'Queue task :'
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for k, v in pairs(task) do
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str = str .. ('\n %q = %q'):format(k, v)
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end
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log.info(str)
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else
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log.info('Not queued task')
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end
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local function empty(t) return (not t) or (#t == 0) end
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local function not_empty(t) if not empty(t) then return t end end
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local dtmf, wav_file, fax_file
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if task then
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dtmf = not_empty(task.dtmf)
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wav_file = not_empty(task.wav_file) or not_empty(task.greeting)
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fax_file = not_empty(task.fax_file)
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else
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dtmf = not_empty(session:getVariable('fax_dtmf'))
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wav_file = not_empty(session:getVariable('wav_file'))
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fax_file = not_empty(session:getVariable('fax_file'))
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end
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if not (wav_file or fax_file) then
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log.warning("No fax or wav file")
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return
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end
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local function decode_dtmf(dtmf)
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local r, sleep, seq = {}
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dtmf:gsub('P', 'pp'):gsub('.', function(ch)
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-- print(ch)
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if ch == ';' or ch == ',' then
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r[#r + 1] = sleep or seq
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sleep, seq = nil
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elseif ch == 'p' then
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r[#r + 1] = seq
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sleep = (sleep or 0) + 500
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seq = nil
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else
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r[#r + 1] = sleep
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seq = (seq or '') .. ch
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sleep = nil
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end
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end)
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r[#r + 1] = sleep or seq
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return r
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end
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local function send_fax()
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session:execute("txfax", fax_file)
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end
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local function start_fax_detect(detect_duration)
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if not tone_detect_cb then
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function tone_detect_cb(s, type, obj, arg)
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if type == "event" then
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if obj:getHeader('Event-Name') == 'DETECTED_TONE' then
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return "false"
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end
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end
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end
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end
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log.notice("Start detecting fax")
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detect_duration = detect_duration or 60000
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session:setInputCallback("tone_detect_cb")
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session:execute("tone_detect", "txfax 2100 r +" .. tostring(detect_duration) .. " set remote_fax_detected=txfax")
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session:execute("tone_detect", "rxfax 1100 r +" .. tostring(detect_duration) .. " set remote_fax_detected=rxfax")
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session:setVariable("sip_api_on_image", "uuid_break " .. session:getVariable("uuid") .. " all")
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end
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local function stop_fax_detect()
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session:unsetInputCallback()
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session:execute("stop_tone_detect")
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session:setVariable("sip_api_on_image", "")
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end
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local function fax_deteced()
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if session:getVariable('has_t38') == 'true' then
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log.noticef('Detected t38')
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session:setVariable('remote_fax_detected', 'txfax')
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end
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if fax_file and session:getVariable('remote_fax_detected') then
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log.noticef("Detected %s", session:getVariable('remote_fax_detected'))
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if session:getVariable('remote_fax_detected') == 'txfax' then
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send_fax()
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else
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log.warning('Remote fax try send fax')
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end
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return true
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end
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end
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local function check()
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if not session:ready() then return false end
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if fax_deteced() then return false end
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return true
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end
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local function task()
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session:waitForAnswer(session)
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while not session:answered() do
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if not session:ready() then return end
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session:sleep(500)
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end
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log.notice("11111")
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if not (session:ready() and session:answered()) then return end
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log.notice("2222")
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if fax_file and wav_file then
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start_fax_detect()
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end
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if dtmf then
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dtmf = decode_dtmf(dtmf)
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for _, element in ipairs(dtmf) do
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if type(element) == 'number' then
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session:streamFile("silence_stream://" .. tostring(element))
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else
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session:execute("send_dtmf", element)
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end
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if not check() then return end
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end
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end
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if wav_file then
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session:streamFile(wav_file)
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if not check() then return end
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end
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if fax_file then
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if wav_file then
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stop_fax_detect()
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end
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send_fax()
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end
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end
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log.noticef("START TASK")
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log.notice("Fax:" .. tostring(fax_file))
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log.notice("Wav:" .. tostring(wav_file))
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task()
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log.noticef("STOP TASK")
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log.notice("Ready: " .. tostring(session:ready()))
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log.notice("answered: " .. tostring(session:answered()))
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