mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-26 16:11:07 +00:00
45 lines
1.2 KiB
Go
45 lines
1.2 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 (
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"net"
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"unsafe"
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)
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// Route represents a route in a host's routing table
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type Route struct {
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// Target for this route
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Target net.IPNet
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// Via is how to reach this target (null/empty if the target IP range is local to this virtual LAN)
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Via net.IP
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// Route flags (currently unused, always 0)
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Flags uint16
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// Metric is an interface metric that can affect route priority (behavior can be OS-specific)
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Metric uint16
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}
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// key generates a key suitable for a map[] from this route
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func (r *Route) key() (k [6]uint64) {
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copy(((*[16]byte)(unsafe.Pointer(&k[0])))[:], r.Target.IP)
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ones, bits := r.Target.Mask.Size()
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k[2] = (uint64(ones) << 32) | uint64(bits)
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copy(((*[16]byte)(unsafe.Pointer(&k[3])))[:], r.Via)
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k[5] = (uint64(r.Flags) << 32) | uint64(r.Metric)
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return
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}
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