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| | # -*- encoding: binary -*-
require './test/test_helper'
require 'tempfile'
class TestSocketHelper < Test::Unit::TestCase
include Unicorn::SocketHelper
attr_reader :logger
GET_SLASH = "GET / HTTP/1.0\r\n\r\n".freeze
def setup
@log_tmp = Tempfile.new 'logger'
@logger = Logger.new(@log_tmp.path)
@test_addr = ENV['UNICORN_TEST_ADDR'] || '127.0.0.1'
@test6_addr = ENV['UNICORN_TEST6_ADDR'] || '::1'
GC.disable
end
def teardown
GC.enable
end
def test_bind_listen_tcp
port = unused_port @test_addr
@tcp_listener_name = "#@test_addr:#{port}"
@tcp_listener = bind_listen(@tcp_listener_name)
assert TCPServer === @tcp_listener
assert_equal @tcp_listener_name, sock_name(@tcp_listener)
end
def test_bind_listen_options
port = unused_port @test_addr
tcp_listener_name = "#@test_addr:#{port}"
tmp = Tempfile.new 'unix.sock'
unix_listener_name = tmp.path
File.unlink(tmp.path)
[ { :backlog => 5 }, { :sndbuf => 4096 }, { :rcvbuf => 4096 },
{ :backlog => 16, :rcvbuf => 4096, :sndbuf => 4096 }
].each do |opts|
tcp_listener = bind_listen(tcp_listener_name, opts)
assert TCPServer === tcp_listener
tcp_listener.close
unix_listener = bind_listen(unix_listener_name, opts)
assert UNIXServer === unix_listener
unix_listener.close
end
end
def test_bind_listen_unix
old_umask = File.umask(0777)
tmp = Tempfile.new 'unix.sock'
@unix_listener_path = tmp.path
File.unlink(@unix_listener_path)
@unix_listener = bind_listen(@unix_listener_path)
assert UNIXServer === @unix_listener
assert_equal @unix_listener_path, sock_name(@unix_listener)
assert File.readable?(@unix_listener_path), "not readable"
assert File.writable?(@unix_listener_path), "not writable"
assert_equal 0777, File.umask
ensure
File.umask(old_umask)
end
def test_bind_listen_unix_umask
old_umask = File.umask(0777)
tmp = Tempfile.new 'unix.sock'
@unix_listener_path = tmp.path
File.unlink(@unix_listener_path)
@unix_listener = bind_listen(@unix_listener_path, :umask => 077)
assert UNIXServer === @unix_listener
assert_equal @unix_listener_path, sock_name(@unix_listener)
assert_equal 0140700, File.stat(@unix_listener_path).mode
assert_equal 0777, File.umask
ensure
File.umask(old_umask)
end
def test_bind_listen_unix_idempotent
test_bind_listen_unix
a = bind_listen(@unix_listener)
assert_equal a.fileno, @unix_listener.fileno
unix_server = server_cast(@unix_listener)
assert UNIXServer === unix_server
a = bind_listen(unix_server)
assert_equal a.fileno, unix_server.fileno
assert_equal a.fileno, @unix_listener.fileno
end
def test_bind_listen_tcp_idempotent
test_bind_listen_tcp
a = bind_listen(@tcp_listener)
assert_equal a.fileno, @tcp_listener.fileno
tcp_server = server_cast(@tcp_listener)
assert TCPServer === tcp_server
a = bind_listen(tcp_server)
assert_equal a.fileno, tcp_server.fileno
assert_equal a.fileno, @tcp_listener.fileno
end
def test_bind_listen_unix_rebind
test_bind_listen_unix
new_listener = nil
assert_raises(Errno::EADDRINUSE) do
new_listener = bind_listen(@unix_listener_path)
end
File.unlink(@unix_listener_path)
new_listener = bind_listen(@unix_listener_path)
assert UNIXServer === new_listener
assert new_listener.fileno != @unix_listener.fileno
assert_equal sock_name(new_listener), sock_name(@unix_listener)
assert_equal @unix_listener_path, sock_name(new_listener)
pid = fork do
client = server_cast(new_listener).accept
client.syswrite('abcde')
exit 0
end
s = UNIXSocket.new(@unix_listener_path)
IO.select([s])
assert_equal 'abcde', s.sysread(5)
pid, status = Process.waitpid2(pid)
assert status.success?
end
def test_server_cast
test_bind_listen_unix
test_bind_listen_tcp
unix_listener_socket = Socket.for_fd(@unix_listener.fileno)
assert Socket === unix_listener_socket
@unix_server = server_cast(unix_listener_socket)
assert_equal @unix_listener.fileno, @unix_server.fileno
assert UNIXServer === @unix_server
assert_equal(@unix_server.path, @unix_listener.path,
"##{@unix_server.path} != #{@unix_listener.path}")
assert File.socket?(@unix_server.path)
assert_equal @unix_listener_path, sock_name(@unix_server)
tcp_listener_socket = Socket.for_fd(@tcp_listener.fileno)
assert Socket === tcp_listener_socket
@tcp_server = server_cast(tcp_listener_socket)
assert_equal @tcp_listener.fileno, @tcp_server.fileno
assert TCPServer === @tcp_server
assert_equal @tcp_listener_name, sock_name(@tcp_server)
end
def test_sock_name
test_server_cast
sock_name(@unix_server)
end
def test_tcp_defer_accept_default
return unless defined?(TCP_DEFER_ACCEPT)
port = unused_port @test_addr
name = "#@test_addr:#{port}"
sock = bind_listen(name)
cur = sock.getsockopt(Socket::SOL_TCP, TCP_DEFER_ACCEPT).unpack('i')[0]
assert cur >= 1
end
def test_tcp_defer_accept_disable
return unless defined?(TCP_DEFER_ACCEPT)
port = unused_port @test_addr
name = "#@test_addr:#{port}"
sock = bind_listen(name, :tcp_defer_accept => false)
cur = sock.getsockopt(Socket::SOL_TCP, TCP_DEFER_ACCEPT).unpack('i')[0]
assert_equal 0, cur
end
def test_tcp_defer_accept_nr
return unless defined?(TCP_DEFER_ACCEPT)
port = unused_port @test_addr
name = "#@test_addr:#{port}"
sock = bind_listen(name, :tcp_defer_accept => 60)
cur = sock.getsockopt(Socket::SOL_TCP, TCP_DEFER_ACCEPT).unpack('i')[0]
assert cur > 1
end
def test_ipv6only
port = begin
unused_port "#@test6_addr"
rescue Errno::EINVAL
return
end
sock = bind_listen "[#@test6_addr]:#{port}", :ipv6only => true
cur = sock.getsockopt(:IPPROTO_IPV6, :IPV6_V6ONLY).unpack('i')[0]
assert_equal 1, cur
rescue Errno::EAFNOSUPPORT
end
def test_reuseport
return unless defined?(Socket::SO_REUSEPORT)
port = unused_port @test_addr
name = "#@test_addr:#{port}"
sock = bind_listen(name, :reuseport => true)
cur = sock.getsockopt(:SOL_SOCKET, :SO_REUSEPORT).int
assert_operator cur, :>, 0
rescue Errno::ENOPROTOOPT
# kernel does not support SO_REUSEPORT (older Linux)
end
end
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