38 lines
1.0 KiB
Elixir
38 lines
1.0 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Streamer.Ping do
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use GenServer
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require Logger
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alias Pleroma.Web.Streamer.State
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alias Pleroma.Web.Streamer.StreamerSocket
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@keepalive_interval :timer.seconds(30)
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def start_link(opts) do
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ping_interval = Keyword.get(opts, :ping_interval, @keepalive_interval)
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GenServer.start_link(__MODULE__, %{ping_interval: ping_interval}, name: __MODULE__)
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end
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def init(%{ping_interval: ping_interval} = args) do
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Process.send_after(self(), :ping, ping_interval)
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{:ok, args}
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end
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def handle_info(:ping, %{ping_interval: ping_interval} = state) do
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State.get_sockets()
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|> Map.values()
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|> List.flatten()
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|> Enum.each(fn %StreamerSocket{transport_pid: transport_pid} ->
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Logger.debug("Sending keepalive ping")
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send(transport_pid, {:text, ""})
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end)
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Process.send_after(self(), :ping, ping_interval)
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{:noreply, state}
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end
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end
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