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Spawn is the core lib for Spawn Actors System
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lib/spawn/cluster/node/connection_supervisor.ex
defmodule Spawn.Cluster.Node.ConnectionSupervisor do
@moduledoc false
use Supervisor
require Logger
alias Spawn.Utils.Nats
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
connection_name = Nats.connection_name()
Logger.debug("Creating Nats Connection #{inspect(connection_name)}")
children = [
{Gnat.ConnectionSupervisor, connection_settings(connection_name, config)}
]
Supervisor.init(children, strategy: :one_for_one)
end
defp connection_settings(name, config) do
%{
name: name,
backoff_period: config.internal_nats_connection_backoff_period,
connection_settings: [
Map.merge(
Spawn.Utils.Nats.get_internal_nats_connection(config),
determine_auth_method(name, config)
)
]
}
end
defp determine_auth_method(_name, _config) do
%{}
end
end