50 lines
1.7 KiB
Elixir
50 lines
1.7 KiB
Elixir
defimpl Farmbot.AssetWorker, for: Farmbot.Asset.Peripheral do
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use GenServer
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require Farmbot.Logger
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alias Farmbot.{Asset.Peripheral, CeleryScript.Scheduler, CeleryScript.AST}
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@retry_ms 1_000
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@impl true
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def preload(%Peripheral{}), do: []
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@impl true
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def start_link(peripheral, _args) do
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GenServer.start_link(__MODULE__, peripheral)
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end
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@impl true
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def init(peripheral) do
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{:ok, %{peripheral: peripheral, scheduled_ref: nil, errors: 0}, 0}
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end
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@impl true
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def handle_info(:timeout, %{peripheral: peripheral} = state) do
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Farmbot.Logger.busy(2, "Read peripheral: #{peripheral.label}")
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rpc = peripheral_to_rpc(peripheral)
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{:ok, ref} = Scheduler.schedule(rpc)
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{:noreply, %{state | peripheral: peripheral, scheduled_ref: ref}}
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end
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def handle_info({Scheduler, ref, :ok}, %{peripheral: peripheral, scheduled_ref: ref} = state) do
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Farmbot.Logger.success(2, "Read peripheral: #{peripheral.label} ok")
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{:noreply, state, :hibernate}
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end
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def handle_info({Scheduler, ref, {:error, reason}}, %{peripheral: peripheral, scheduled_ref: ref, errors: 5} = state) do
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Farmbot.Logger.error(1, "Read peripheral: #{peripheral.label} error: #{reason} errors=5 not trying again.")
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{:noreply, state, :hibernate}
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end
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def handle_info({Scheduler, ref, {:error, reason}}, %{peripheral: peripheral, scheduled_ref: ref} = state) do
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Farmbot.Logger.error(1, "Read peripheral: #{peripheral.label} error: #{reason} errors=#{state.errors}")
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{:noreply, %{state | scheduled_ref: nil, errors: state.errors + 1}, @retry_ms}
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end
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def peripheral_to_rpc(peripheral) do
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AST.Factory.new()
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|> AST.Factory.rpc_request(peripheral.local_id)
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|> AST.Factory.read_pin(peripheral.pin, peripheral.mode)
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end
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end
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