flexnbd-c/tests/acceptance/fakes/dest/hello_wrong_magic.rb

#!/usr/bin/env ruby

# Simulate a destination which sends the wrong magic.

require 'flexnbd/fake_dest'
include FlexNBD
Thread.abort_on_exception

addr, port = *ARGV
server = FakeDest.new(addr, port)
client1 = server.accept

# We don't expect a reconnection attempt.
t = Thread.new do
  begin
    client2 = server.accept('Timed out waiting for a reconnection',
                            FlexNBD::MS_RETRY_DELAY_SECS + 1)
    raise 'Unexpected reconnection'
  rescue Timeout::Error
    # expected
  end
end

client1.write_hello(magic: :wrong)

t.join

exit 0