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gen_server_proxy lib gen_server proxy caster.ex
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lib/gen_server/proxy/caster.ex

defmodule GenServer.Proxy.Caster do
use PersistConfig
alias GenServer.Proxy.{Log, Timer}
@timeout get_env(:timeout)
@times get_env(:times)
@spec cast(term, term, module) :: :ok | {:error, term}
def cast(request, server_id, module) do
server = module.server_name(server_id)
try do
GenServer.cast(server, request)
catch
:exit, reason ->
not_registered = {server, @timeout, @times, reason, __ENV__}
:ok = Log.error(:unregistered, not_registered)
Timer.wait(server, reason)
try do
GenServer.cast(server, request)
catch
:exit, reason ->
:ok = Log.error(:unregistered, {server, reason, __ENV__})
module.server_unregistered(server_id)
{:error, reason}
end
end
end
end