namespace eval luft {} {
}

proc stdConfig::luft {label} {
  controller syncedprot

  pollperiod 10 10

  obj LUFT upd
  kids "luft monitor $label" {
    node confirm wr -text -spy
    prop write luft::writeCf
    prop read luft::readCf
    prop timeout [expr [clock seconds] + 600]
  }
}

proc luft::set_error {errtxt} {
  updateval [sct parent]/status $errtxt
  if {$errtxt eq ""} {
    catch {hdelprop [sct parent] geterror}
    catch {hdelprop [sct] geterror}
  } else {
    updateerror [sct parent]/status $errtxt 1
  }
}

proc luft::readCf {} {
  if {[clock seconds] > [sct timeout]} {
    luft::set_error "luft monitor off"
  }
  return idle
}

proc luft::writeCf {} {
  sct cnt 0
  set errtxt [lassign [sct target] timeout val]
  if {[silent 0 sct verbose]} {
    clientput [sct target]
  }
  if {$errtxt eq ""} {
    updateval [sct parent] $val
    # sct print [sct]=$val
    luft::set_error ""
  } else {
    luft::set_error "epics error: $val $errtxt"
  }
  catch {
    sct timeout [expr [clock seconds] + $timeout + 10]
  }
  return idle
}