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eaa84bc8f4
Co-authored-by: Cory Snider <csnider@mirantis.com> Co-authored-by: Rob Murray <rob.murray@docker.com> Signed-off-by: Rob Murray <rob.murray@docker.com>
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package osl
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import (
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"strconv"
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"strings"
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"golang.org/x/sys/unix"
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)
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type deviceFlags uint32
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var deviceFlagStrings = map[deviceFlags]string{
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unix.IFF_UP: "IFF_UP",
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unix.IFF_BROADCAST: "IFF_BROADCAST",
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unix.IFF_DEBUG: "IFF_DEBUG",
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unix.IFF_LOOPBACK: "IFF_LOOPBACK",
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unix.IFF_POINTOPOINT: "IFF_POINTOPOINT",
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unix.IFF_RUNNING: "IFF_RUNNING",
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unix.IFF_NOARP: "IFF_NOARP",
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unix.IFF_PROMISC: "IFF_PROMISC",
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unix.IFF_NOTRAILERS: "IFF_NOTRAILERS",
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unix.IFF_ALLMULTI: "IFF_ALLMULTI",
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unix.IFF_MASTER: "IFF_MASTER",
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unix.IFF_SLAVE: "IFF_SLAVE",
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unix.IFF_MULTICAST: "IFF_MULTICAST",
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unix.IFF_PORTSEL: "IFF_PORTSEL",
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unix.IFF_AUTOMEDIA: "IFF_AUTOMEDIA",
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unix.IFF_DYNAMIC: "IFF_DYNAMIC",
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unix.IFF_LOWER_UP: "IFF_LOWER_UP",
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unix.IFF_DORMANT: "IFF_DORMANT",
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unix.IFF_ECHO: "IFF_ECHO",
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}
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func (d deviceFlags) String() string {
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var (
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flags []string
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unknown uint32
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)
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for i := uint(0); i < 32; i++ {
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if d&(1<<i) != 0 {
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if s, ok := deviceFlagStrings[deviceFlags(1<<i)]; ok {
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flags = append(flags, s)
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} else {
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unknown |= 1 << i
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}
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}
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}
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if unknown != 0 {
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flags = append(flags, "0x"+strconv.FormatUint(uint64(unknown), 16))
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}
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return "deviceFlags(" + strings.Join(flags, " | ") + ")"
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}
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