mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-01-28 23:24:18 +00:00
40 lines
1.0 KiB
Go
40 lines
1.0 KiB
Go
/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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package zerotier
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import "fmt"
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// MulticastGroup represents a normal Ethernet multicast or broadcast address plus 32 additional ZeroTier-specific bits
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type MulticastGroup struct {
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MAC MAC
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ADI uint32
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}
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// String returns MAC#ADI
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func (mg *MulticastGroup) String() string {
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return fmt.Sprintf("%s#%.8x", mg.MAC.String(), mg.ADI)
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}
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// Less returns true if this MulticastGroup is less than another.
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func (mg *MulticastGroup) Less(mg2 *MulticastGroup) bool {
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return mg.MAC < mg2.MAC || (mg.MAC == mg2.MAC && mg.ADI < mg2.ADI)
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}
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// key returns an array usable as a key for a map[]
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func (mg *MulticastGroup) key() (k [2]uint64) {
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k[0] = uint64(mg.MAC)
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k[1] = uint64(mg.ADI)
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return
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}
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