aprs.me/lib/aprsme/cleanup_scheduler.ex
Graham McIntire b8a9b8a465
chore(dialyzer): enable stricter flags and fix 97 resulting findings
Turned on :error_handling, :underspecs, and :unmatched_returns in
mix.exs dialyzer config. The 97 warnings this surfaced were fixed in
place rather than suppressed:

- unmatched_return (79): explicit discard with `_ = ...` for
  fire-and-forget side effects (Process.cancel_timer, :ets.new,
  send/2), and pattern-matched `:ok = ...` for control-plane
  Phoenix.PubSub subscribe/unsubscribe/broadcast calls so a future
  return-shape change fails loud.

- contract_supertype (18): tightened @spec arg and return types on
  data_builder, historical_loader, url_params, packet_utils,
  encoding_utils, aprs_symbol, weather_controller, packet_replay to
  match each function's actual success typing.

No behavioural change. mix compile clean, 1008 tests pass, dialyzer
count is now 0.
2026-04-21 10:07:01 -05:00

63 lines
1.6 KiB
Elixir

defmodule Aprsme.CleanupScheduler do
@moduledoc """
GenServer that schedules periodic packet cleanup tasks.
This scheduler runs cleanup tasks directly every 6 hours by default
without requiring external job queues.
"""
use GenServer
alias Aprsme.Workers.PacketCleanupWorker
require Logger
def start_link(opts) do
GenServer.start_link(__MODULE__, opts, name: __MODULE__)
end
@impl true
def init(_opts) do
config = Application.get_env(:aprsme, :cleanup_scheduler, [])
enabled = Keyword.get(config, :enabled, true)
# 6 hours
interval = Keyword.get(config, :interval, 6 * 60 * 60 * 1000)
if enabled do
Logger.info("Starting packet cleanup scheduler with #{interval}ms interval")
schedule_next_cleanup(interval)
{:ok, %{interval: interval}}
else
Logger.info("Packet cleanup scheduler disabled")
{:ok, %{interval: nil}}
end
end
@impl true
def handle_info(:schedule_cleanup, %{interval: interval} = state) when is_integer(interval) do
Logger.info("Running packet cleanup task")
_ =
Aprsme.BroadcastTaskSupervisor.async_execute(fn ->
try do
PacketCleanupWorker.perform(%{})
rescue
error ->
Logger.error("Packet cleanup task failed: #{inspect(error)}")
end
end)
schedule_next_cleanup(interval)
{:noreply, state}
end
@impl true
def handle_info(:schedule_cleanup, state) do
# Scheduler is disabled
{:noreply, state}
end
defp schedule_next_cleanup(interval) do
Process.send_after(self(), :schedule_cleanup, interval)
end
end