diff options
Diffstat (limited to 't/bin/unused_listen')
-rwxr-xr-x | t/bin/unused_listen | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/t/bin/unused_listen b/t/bin/unused_listen new file mode 100755 index 0000000..b638f54 --- /dev/null +++ b/t/bin/unused_listen @@ -0,0 +1,40 @@ +#!/usr/bin/env ruby +# -*- encoding: binary -*- +# this is to remain compatible with the unused_port function in the +# Unicorn test/test_helper.rb file +require 'socket' +require 'tmpdir' + +default_port = 8080 +addr = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1' +retries = 100 +base = 5000 +port = sock = lock_path = nil + +begin + begin + port = base + rand(32768 - base) + while port == default_port + port = base + rand(32768 - base) + end + + sock = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0) + sock.bind(Socket.pack_sockaddr_in(port, addr)) + sock.listen(5) + rescue Errno::EADDRINUSE, Errno::EACCES + sock.close rescue nil + retry if (retries -= 1) >= 0 + end + + # since we'll end up closing the random port we just got, there's a race + # condition could allow the random port we just chose to reselect itself + # when running tests in parallel with gmake. Create a lock file while + # we have the port here to ensure that does not happen. + lock_path = "#{Dir::tmpdir}/unicorn_test.#{addr}:#{port}.lock" + lock = File.open(lock_path, File::WRONLY|File::CREAT|File::EXCL, 0600) +rescue Errno::EEXIST + sock.close rescue nil + retry +end +sock.close rescue nil +puts %Q(listen=#{addr}:#{port} T_RM_LIST="$T_RM_LIST #{lock_path}") |