42 lines
1.3 KiB
Elixir
42 lines
1.3 KiB
Elixir
## The contents of this file are subject to the Mozilla Public License
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## Version 1.1 (the "License"); you may not use this file except in
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## compliance with the License. You may obtain a copy of the License
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## at https://www.mozilla.org/MPL/
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##
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## Software distributed under the License is distributed on an "AS IS"
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## basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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## the License for the specific language governing rights and
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## limitations under the License.
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##
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## The Original Code is RabbitMQ.
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##
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## The Initial Developer of the Original Code is GoPivotal, Inc.
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## Copyright (c) 2007-2019 Pivotal Software, Inc. All rights reserved.
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defmodule RabbitMQ.CLI.Diagnostics.Helpers do
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def check_port_connectivity(port, node_name, timeout) do
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regex = Regex.recompile!(~r/^(.+)@/)
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hostname = Regex.replace(regex, to_string(node_name), "") |> to_charlist
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try do
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case :gen_tcp.connect(hostname, port, [], timeout) do
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{:error, _} ->
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false
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{:ok, port} ->
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:ok = :gen_tcp.close(port)
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true
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end
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# `gen_tcp:connect/4` will throw if the port is outside of its
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# expected domain
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catch
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:exit, _ -> false
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end
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end
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def check_listener_connectivity(%{port: port}, node_name, timeout) do
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check_port_connectivity(port, node_name, timeout)
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end
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end
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