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https://akkoma.dev/AkkomaGang/akkoma.git
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d34fe2840d
Use a custom tesla middleware instead of adapter helper function + custom redirect middleware. This will also fix "Client died before releasing the connection" messages when the request pool is overloaded. Since the checkout is now done after passing ConcurrentLimiter. This is technically less efficient, since the connection needs to be checked in/out every time the middleware is left or entered respectively. But I don't think the nanoseconds we might lose on redirects to the same host are worth the complexity.
85 lines
2.1 KiB
Elixir
85 lines
2.1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.HTTP.AdapterHelper.Gun do
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@behaviour Pleroma.HTTP.AdapterHelper
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alias Pleroma.Config
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alias Pleroma.HTTP.AdapterHelper
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require Logger
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@defaults [
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connect_timeout: 5_000,
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domain_lookup_timeout: 5_000,
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tls_handshake_timeout: 5_000,
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retry: 1,
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retry_timeout: 1000,
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await_up_timeout: 5_000
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]
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@type pool() :: :federation | :upload | :media | :default
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@spec options(keyword(), URI.t()) :: keyword()
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def options(incoming_opts \\ [], %URI{} = uri) do
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proxy =
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[:http, :proxy_url]
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|> Config.get()
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|> AdapterHelper.format_proxy()
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config_opts = Config.get([:http, :adapter], [])
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@defaults
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|> Keyword.merge(config_opts)
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|> add_scheme_opts(uri)
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|> AdapterHelper.maybe_add_proxy(proxy)
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|> Keyword.merge(incoming_opts)
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|> put_timeout()
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end
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defp add_scheme_opts(opts, %{scheme: "http"}), do: opts
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defp add_scheme_opts(opts, %{scheme: "https"}) do
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Keyword.put(opts, :certificates_verification, true)
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end
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defp put_timeout(opts) do
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# this is the timeout to receive a message from Gun
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Keyword.put_new(opts, :timeout, pool_timeout(opts[:pool]))
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end
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@spec pool_timeout(pool()) :: non_neg_integer()
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def pool_timeout(pool) do
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default = Config.get([:pools, :default, :timeout], 5_000)
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Config.get([:pools, pool, :timeout], default)
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end
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@prefix Pleroma.Gun.ConnectionPool
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def limiter_setup do
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wait = Config.get([:connections_pool, :connection_acquisition_wait])
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retries = Config.get([:connections_pool, :connection_acquisition_retries])
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:pools
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|> Config.get([])
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|> Enum.each(fn {name, opts} ->
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max_running = Keyword.get(opts, :size, 50)
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max_waiting = Keyword.get(opts, :max_waiting, 10)
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result =
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ConcurrentLimiter.new(:"#{@prefix}.#{name}", max_running, max_waiting,
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wait: wait,
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max_retries: retries
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)
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case result do
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:ok -> :ok
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{:error, :existing} -> :ok
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end
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end)
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:ok
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end
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end
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