puts "usage: #{$PROGRAM_NAME} port"
    exit(-1)
end

port = Integer(ARGV[0])

server = WEBrick::HTTPServer.new(
    :BindAddress => '*',
    :Port => port,
    :AcceptCallback => -> (s) { s.setsockopt(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1) },
)

trap 'INT' do server.shutdown end

server.mount_proc '/health' do |req, res|
    res.status = 200
    res.body = {'status' => 'Details is healthy'}.to_json

}

func SetsockoptTpacketReq3(fd, level, opt int, tp *TpacketReq3) error {
	return setsockopt(fd, level, opt, unsafe.Pointer(tp), unsafe.Sizeof(*tp))
}

func SetsockoptTCPRepairOpt(fd, level, opt int, o []TCPRepairOpt) (err error) {
	if len(o) == 0 {
		return EINVAL
	}

//sys	writev(fd int, iovecs []Iovec) (n uintptr, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) = libsocket.__xnet_getsockopt
//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getpeername
//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getsockname

//sys	Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
//sys	Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt

	var value IPMreqn
	vallen := _Socklen(SizeofIPMreqn)
	errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
	return &value, errno
}

func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}

// GetsockoptXucred is a getsockopt wrapper that returns an Xucred struct.

	procgetsockopt                         = modws2_32.NewProc("getsockopt")
	proclisten                             = modws2_32.NewProc("listen")
	procntohs                              = modws2_32.NewProc("ntohs")
	procsetsockopt                         = modws2_32.NewProc("setsockopt")
	procshutdown                           = modws2_32.NewProc("shutdown")

//sys   Getkerninfo(op int32, where uintptr, size uintptr, arg int64) (i int32, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
//sys	Listen(s int, backlog int) (err error)
//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
//sys	socket(domain int, typ int, proto int) (fd int, err error)

		CloseFunc(s)
		return "acceptex", err
	}

	// Inherit properties of the listening socket.
	err = syscall.Setsockopt(s, syscall.SOL_SOCKET, syscall.SO_UPDATE_ACCEPT_CONTEXT, (*byte)(unsafe.Pointer(&fd.Sysfd)), int32(unsafe.Sizeof(fd.Sysfd)))
	if err != nil {
		CloseFunc(s)
		return "setsockopt", err
	}

	return "", nil
}

// Accept handles accepting a socket. The sysSocket parameter is used

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

func libc_getsockopt_trampoline()

//go:cgo_import_dynamic libc_getsockopt getsockopt "libc.so"

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) {

//go:cgo_import_dynamic libc_connect connect "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Getkerninfo getkerninfo "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_getsockopt getsockopt "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Listen listen "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setsockopt setsockopt "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_socket socket "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_socketpair socketpair "libc.a/shr_64.o"