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begin
require "socket"
rescue LoadError
end
require "test/unit"
require "tempfile"
class TestNonblockSocket < Test::Unit::TestCase
def test_accept_nonblock
serv = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
serv.bind(Socket.sockaddr_in(0, "127.0.0.1"))
serv.listen(5)
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { serv.accept_nonblock }
c = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
c.connect(serv.getsockname)
s, sockaddr = serv.accept_nonblock
assert_equal(c.getsockname, sockaddr)
ensure
serv.close if serv
c.close if c
s.close if s
end
def test_connect_nonblock
serv = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
serv.bind(Socket.sockaddr_in(0, "127.0.0.1"))
serv.listen(5)
c = Socket.new(Socket::AF_INET, Socket::SOCK_STREAM, 0)
servaddr = serv.getsockname
begin
c.connect_nonblock(servaddr)
rescue Errno::EINPROGRESS
IO.select nil, [c]
assert_nothing_raised {
begin
c.connect_nonblock(servaddr)
rescue Errno::EISCONN
end
}
end
s, sockaddr = serv.accept
assert_equal(c.getsockname, sockaddr)
ensure
serv.close if serv
c.close if c
s.close if s
end
def test_udp_recvfrom_nonblock
u1 = UDPSocket.new
u2 = UDPSocket.new
u1.bind("127.0.0.1", 0)
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { u1.recvfrom_nonblock(100) }
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::EINVAL) { u2.recvfrom_nonblock(100) }
u2.send("aaa", 0, u1.getsockname)
IO.select [u1]
mesg, inet_addr = u1.recvfrom_nonblock(100)
assert_equal(4, inet_addr.length)
assert_equal("aaa", mesg)
af, port, host, addr = inet_addr
u2_port, u2_addr = Socket.unpack_sockaddr_in(u2.getsockname)
assert_equal(u2_port, port)
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { u1.recvfrom_nonblock(100) }
u2.send("", 0, u1.getsockname)
IO.select [u1]
mesg, inet_addr = u1.recvfrom_nonblock(100)
assert_equal("", mesg)
ensure
u1.close if u1
u2.close if u2
end
def bound_unix_socket(klass)
tmpfile = Tempfile.new("testrubysock")
path = tmpfile.path
tmpfile.close(true)
return klass.new(path), path
end
def test_unix_recvfrom_nonblock
serv, serv_path = bound_unix_socket(UNIXServer)
c = UNIXSocket.new(serv_path)
s = serv.accept
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { s.recvfrom_nonblock(100) }
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { c.recvfrom_nonblock(100) }
s.write "aaa"
IO.select [c]
mesg, unix_addr = c.recvfrom_nonblock(100)
assert_equal("aaa", mesg)
assert_equal(2, unix_addr.length)
af, path = unix_addr
if path != "" # connection-oriented socket may not return the peer address.
assert_equal(serv_path, path)
end
s.close
IO.select [c]
mesg, unix_addr = c.recvfrom_nonblock(100)
assert_equal("", mesg)
ensure
File.unlink serv_path if serv_path && File.socket?(serv_path)
serv.close if serv
c.close if c
s.close if s && !s.closed?
end if defined?(UNIXSocket)
def test_socket_recvfrom_nonblock
s1 = Socket.new(Socket::AF_INET, Socket::SOCK_DGRAM, 0)
s1.bind(Socket.sockaddr_in(0, "127.0.0.1"))
s2 = Socket.new(Socket::AF_INET, Socket::SOCK_DGRAM, 0)
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { s1.recvfrom_nonblock(100) }
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK, Errno::EINVAL) { s2.recvfrom_nonblock(100) }
s2.send("aaa", 0, s1.getsockname)
IO.select [s1]
mesg, sockaddr = s1.recvfrom_nonblock(100)
assert_equal("aaa", mesg)
port, addr = Socket.unpack_sockaddr_in(sockaddr)
s2_port, s2_addr = Socket.unpack_sockaddr_in(s2.getsockname)
assert_equal(s2_port, port)
ensure
s1.close if s1
s2.close if s2
end
def tcp_pair
serv = TCPServer.new("127.0.0.1", 0)
af, port, host, addr = serv.addr
c = TCPSocket.new(addr, port)
s = serv.accept
return c, s
ensure
serv.close if serv
end
def test_read_nonblock
c, s = tcp_pair
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { c.read_nonblock(100) }
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { s.read_nonblock(100) }
c.write("abc")
IO.select [s]
assert_equal("a", s.read_nonblock(1))
assert_equal("bc", s.read_nonblock(100))
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) { s.read_nonblock(100) }
ensure
c.close if c
s.close if s
end
def test_write_nonblock
c, s = tcp_pair
str = "a" * 10000
_, ws, _ = IO.select(nil, [c], nil)
assert_equal([c], ws)
ret = c.write_nonblock(str)
assert_operator(ret, :>, 0)
loop {
assert_raise(Errno::EAGAIN, Errno::EWOULDBLOCK) {
loop {
ret = c.write_nonblock(str)
assert_operator(ret, :>, 0)
}
}
_, ws, _ = IO.select(nil, [c], nil, 0)
break if !ws
}
ensure
c.close if c
s.close if s
end
end if defined?(Socket)
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