const nonEncodedNameMax = 254

// A Name is a non-encoded and non-escaped domain name. It is used instead of strings to avoid
// allocations.
type Name struct {
	Data   [255]byte
	Length uint8
}

// NewName creates a new Name from a string.
func NewName(name string) (Name, error) {
	n := Name{Length: uint8(len(name))}
	if len(name) > len(n.Data) {
		return Name{}, errCalcLen
	}
	copy(n.Data[:], name)

	SYS_SIGRETURN      = 103 // { int sys_sigreturn(struct sigcontext *sigcntxp); }
	SYS_BIND           = 104 // { int sys_bind(int s, const struct sockaddr *name, socklen_t namelen); }
	SYS_SETSOCKOPT     = 105 // { int sys_setsockopt(int s, int level, int name, const void *val, socklen_t valsize); }
	SYS_LISTEN         = 106 // { int sys_listen(int s, int backlog); }

		}

		ns := parts[0]
		hName := host.Name(parts[1])
		if _, exists := hostsByNamespace[ns]; !exists {
			hostsByNamespace[ns] = hostClassification{exactHosts: sets.New[host.Name](), allHosts: make([]host.Name, 0)}
		}

		// exact hosts are saved separately for map lookup
		if !hName.IsWildCarded() {
			hostsByNamespace[ns].exactHosts.Insert(hName)
		}

	SYS_SIGRETURN      = 103 // { int sys_sigreturn(struct sigcontext *sigcntxp); }
	SYS_BIND           = 104 // { int sys_bind(int s, const struct sockaddr *name, socklen_t namelen); }
	SYS_SETSOCKOPT     = 105 // { int sys_setsockopt(int s, int level, int name, const void *val, socklen_t valsize); }
	SYS_LISTEN         = 106 // { int sys_listen(int s, int backlog); }

}

type Utsname struct {
	Sysname  [257]byte
	Nodename [257]byte
	Release  [257]byte
	Version  [257]byte
	Machine  [257]byte
}

type Ustat_t struct {
	Tfree  int64
	Tinode uint64
	Fname  [6]int8
	Fpack  [6]int8
	_      [4]byte
}

const (
	AT_FDCWD            = 0xffd19553
	AT_SYMLINK_NOFOLLOW = 0x1000
	AT_SYMLINK_FOLLOW   = 0x2000
	AT_REMOVEDIR        = 0x1

	Nodename   [65]int8
	Release    [65]int8
	Version    [65]int8
	Machine    [65]int8
	Domainname [65]int8
}

type Ustat_t struct {
	Tfree     int32
	Pad_cgo_0 [4]byte
	Tinode    uint64
	Fname     [6]int8
	Fpack     [6]int8
	Pad_cgo_1 [4]byte
}

type EpollEvent struct {
	Events uint32
	_      int32
	Fd     int32
	Pad    int32
}

const (
	_AT_FDCWD            = -0x64

    sudo tar -C /opt/cni/bin -xzvf "${cni_plugin_tarball}" &&
    rm -rf "${cni_plugin_tarball}" &&
    sudo find /opt/cni/bin -type f -not \( \
        -iname host-local \
        -o -iname bridge \
        -o -iname portmap \
        -o -iname loopback \
        \) \
        -delete

  # containerd 1.4.12 installed by docker in kubekins supports CNI version 0.4.0
  echo "Configuring cni"

	SYS_SIGRETURN      = 103 // { int sys_sigreturn(struct sigcontext *sigcntxp); }
	SYS_BIND           = 104 // { int sys_bind(int s, const struct sockaddr *name, socklen_t namelen); }
	SYS_SETSOCKOPT     = 105 // { int sys_setsockopt(int s, int level, int name, const void *val, socklen_t valsize); }
	SYS_LISTEN         = 106 // { int sys_listen(int s, int backlog); }

	SYS_SIGRETURN      = 103 // { int sys_sigreturn(struct sigcontext *sigcntxp); }
	SYS_BIND           = 104 // { int sys_bind(int s, const struct sockaddr *name, socklen_t namelen); }
	SYS_SETSOCKOPT     = 105 // { int sys_setsockopt(int s, int level, int name, const void *val, socklen_t valsize); }
	SYS_LISTEN         = 106 // { int sys_listen(int s, int backlog); }

		if len(group) == 0 {
			return
		}
		tname := strings.ToLower(getValue("Transport Name"))
		if tname == "n/a" {
			// skip these
			return
		}
		addr := strings.ToLower(getValue("Physical Address"))
		if addr == "disabled" || addr == "n/a" {
			// skip these
			return
		}
		addr = strings.ReplaceAll(addr, "-", ":")
		cname := getValue("Connection Name")
		want[cname] = addr
		group = make(map[string]string)