1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
## This Source Code Form is subject to the terms of the Mozilla Public
## License, v. 2.0. If a copy of the MPL was not distributed with this
## file, You can obtain one at https://mozilla.org/MPL/2.0/.
##
## Copyright (c) 2007-2022 VMware, Inc. or its affiliates. All rights reserved.
defmodule RabbitMQ.CLI.Diagnostics.Helpers do
def test_connection(hostname, port, timeout) do
case :gen_tcp.connect(hostname, port, [], timeout) do
{:error, _} -> :gen_tcp.connect(hostname, port, [:inet6], timeout)
r -> r
end
end
def check_port_connectivity(port, node_name, timeout) do
regex = Regex.recompile!(~r/^(.+)@/)
hostname = Regex.replace(regex, to_string(node_name), "") |> to_charlist
try do
case test_connection(hostname, port, timeout) do
{:error, _} ->
false
{:ok, port} ->
:ok = :gen_tcp.close(port)
true
end
# `gen_tcp:connect/4` will throw if the port is outside of its
# expected domain
catch
:exit, _ -> false
end
end
def check_listener_connectivity(%{port: port}, node_name, timeout) do
check_port_connectivity(port, node_name, timeout)
end
end
|
