tailscale/wgengine/wgcfg/wgcfg_clone.go
James Tucker ee90cd02fd cmd/cloner,*: optimize nillable slice cloner
A wild @josharian appears with a good suggestion for a refactor, thanks
Josh!

Updates #9410
Signed-off-by: James Tucker <james@tailscale.com>
2023-09-29 17:59:59 -07:00

77 lines
2.0 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Code generated by tailscale.com/cmd/cloner; DO NOT EDIT.
package wgcfg
import (
"net/netip"
"tailscale.com/tailcfg"
"tailscale.com/types/key"
"tailscale.com/types/logid"
"tailscale.com/types/ptr"
)
// Clone makes a deep copy of Config.
// The result aliases no memory with the original.
func (src *Config) Clone() *Config {
if src == nil {
return nil
}
dst := new(Config)
*dst = *src
dst.Addresses = append(src.Addresses[:0:0], src.Addresses...)
dst.DNS = append(src.DNS[:0:0], src.DNS...)
dst.Peers = append([]Peer(nil), make([]Peer, len(src.Peers))...)
for i := range dst.Peers {
dst.Peers[i] = *src.Peers[i].Clone()
}
return dst
}
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _ConfigCloneNeedsRegeneration = Config(struct {
Name string
NodeID tailcfg.StableNodeID
PrivateKey key.NodePrivate
Addresses []netip.Prefix
MTU uint16
DNS []netip.Addr
Peers []Peer
NetworkLogging struct {
NodeID logid.PrivateID
DomainID logid.PrivateID
}
}{})
// Clone makes a deep copy of Peer.
// The result aliases no memory with the original.
func (src *Peer) Clone() *Peer {
if src == nil {
return nil
}
dst := new(Peer)
*dst = *src
dst.AllowedIPs = append(src.AllowedIPs[:0:0], src.AllowedIPs...)
if dst.V4MasqAddr != nil {
dst.V4MasqAddr = ptr.To(*src.V4MasqAddr)
}
if dst.V6MasqAddr != nil {
dst.V6MasqAddr = ptr.To(*src.V6MasqAddr)
}
return dst
}
// A compilation failure here means this code must be regenerated, with the command at the top of this file.
var _PeerCloneNeedsRegeneration = Peer(struct {
PublicKey key.NodePublic
DiscoKey key.DiscoPublic
AllowedIPs []netip.Prefix
V4MasqAddr *netip.Addr
V6MasqAddr *netip.Addr
PersistentKeepalive uint16
WGEndpoint key.NodePublic
}{})