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Spawn is the core lib for Spawn Actors System
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lib/actors/supervisors/actor_supervisor.ex
defmodule Actors.Supervisors.ActorSupervisor do
@moduledoc false
use Supervisor
require Logger
alias Actors.Actor.CallerProducer
@base_app_dir File.cwd!()
def start_link(config) do
Supervisor.start_link(__MODULE__, config, name: __MODULE__)
end
def child_spec(config) do
%{
id: __MODULE__,
start: {__MODULE__, :start_link, [config]}
}
end
@impl true
def init(config) do
Protobuf.load_extensions()
get_acl_manager().load_acl_policies("#{@base_app_dir}/policies")
consumers =
Enum.into(1..(System.schedulers_online() * 2), [], fn index ->
%{
id: index,
start:
{Actors.Actor.CallerConsumer, :start_link,
[[id: index, min_demand: 50, max_demand: 100]]}
}
end)
children =
[
get_pubsub_adapter(config),
Actors.Actor.Entity.Supervisor.child_spec(config)
] ++
maybe_add_invocation_scheduler(config) ++
[{CallerProducer, []}] ++ consumers
Supervisor.init(children, strategy: :one_for_one)
end
defp get_acl_manager(),
do: Application.get_env(:spawn, :acl_manager, Actors.Security.Acl.DefaultAclManager)
defp maybe_add_invocation_scheduler(config) do
if config.delayed_invokes == "true" do
[{Highlander, Actors.Actor.InvocationScheduler.child_spec()}]
else
[]
end
end
defp get_pubsub_adapter(config) do
case config.pubsub_adapter do
"nats" ->
{
Phoenix.PubSub,
name: :actor_channel,
adapter: PhoenixPubsubNats,
connection: Spawn.Utils.Nats.get_nats_connection(config)
}
_ ->
{Phoenix.PubSub, name: :actor_channel}
end
end
end