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diff --git a/lib/fast_html/application.ex b/lib/fast_html/application.ex
index 6d55509..99d633d 100644
--- a/lib/fast_html/application.ex
+++ b/lib/fast_html/application.ex
@@ -1,30 +1,68 @@
defmodule FastHtml.Application do
@moduledoc false
use Application
application = Mix.Project.config()[:app]
defp random_sname, do: :crypto.strong_rand_bytes(4) |> Base.encode16(case: :lower)
- defp sname, do: :"fasthtml_#{random_sname()}"
+ defp sname, do: :"myhtml_#{random_sname()}"
def start(_type, _args) do
import Supervisor.Spec
- unless Node.alive?() do
- Nodex.Distributed.up()
+ case maybe_setup_node() do
+ {:error, message} -> raise message
+ _ -> :ok
end
myhtml_worker = Path.join(:code.priv_dir(unquote(application)), "myhtml_worker")
children = [
worker(Nodex.Cnode, [
%{exec_path: myhtml_worker, sname: sname()},
[name: FastHtml.Cnode]
])
]
Supervisor.start_link(children, strategy: :one_for_one, name: FastHtml.Supervisor)
end
+
+ defp maybe_setup_node() do
+ with {_, false} <- {:alive, Node.alive?()},
+ {:ok, epmd_path} <- find_epmd(),
+ :ok <- start_epmd(epmd_path),
+ {:ok, _pid} = pid_tuple <- start_node() do
+ pid_tuple
+ else
+ {:alive, _} ->
+ :ok
+
+ {:error, _} = e ->
+ e
+ end
+ end
+
+ defp find_epmd() do
+ case System.find_executable("epmd") do
+ nil ->
+ {:error,
+ "Could not find epmd executable. Please ensure the location it's in is present in your PATH or start epmd manually beforehand"}
+
+ executable ->
+ {:ok, executable}
+ end
+ end
+
+ defp start_epmd(path) do
+ case System.cmd(path, ["-daemon"]) do
+ {_, 0} -> :ok
+ {_, exit_code} -> {:error, "Could not start epmd, exit code: #{exit_code}"}
+ end
+ end
+
+ defp start_node() do
+ Node.start(:"master_#{random_sname()}@127.0.0.1")
+ end
end

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