/
tree_v6_manual.go
52 lines (44 loc) · 1.89 KB
/
tree_v6_manual.go
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// Code generated by automation. DO NOT EDIT
package int_tree
import (
"fmt"
"github.com/kentik/patricia"
)
// this is IPv6 tree code that's not very copy/paste friendly for when we transfer IPv4 code to IPv6
// create a new node in the tree, return its index
func (t *TreeV6) newNode(address patricia.IPv6Address, prefixLength uint) uint {
availCount := len(t.availableIndexes)
if availCount > 0 {
index := t.availableIndexes[availCount-1]
t.availableIndexes = t.availableIndexes[:availCount-1]
t.nodes[index] = treeNodeV6{prefixLeft: address.Left, prefixRight: address.Right, prefixLength: prefixLength}
return index
}
t.nodes = append(t.nodes, treeNodeV6{prefixLeft: address.Left, prefixRight: address.Right, prefixLength: prefixLength})
return uint(len(t.nodes) - 1)
}
// Address returns the current IP address for the iterator.
func (iter *TreeIteratorV6) Address() patricia.IPv6Address {
var prefixLeft, prefixRight uint64
var prefixLength uint
for _, i := range iter.nodeHistory {
prefixLeft, prefixRight, prefixLength = patricia.MergePrefixes64(prefixLeft, prefixRight, prefixLength,
iter.t.nodes[i].prefixLeft, iter.t.nodes[i].prefixRight, iter.t.nodes[i].prefixLength)
}
prefixLeft, prefixRight, prefixLength = patricia.MergePrefixes64(prefixLeft, prefixRight, prefixLength,
iter.t.nodes[iter.nodeIndex].prefixLeft, iter.t.nodes[iter.nodeIndex].prefixRight,
iter.t.nodes[iter.nodeIndex].prefixLength)
return patricia.IPv6Address{
Left: prefixLeft,
Right: prefixRight,
Length: prefixLength,
}
}
//nolint
func (t *TreeV6) print() {
buf := make([]int, 0)
for i := range t.nodes {
buf = buf[:0]
fmt.Printf("%d: \tleft: %d, right: %d, prefix: %032b %032b (%d), tags: (%d): %v\n", i, int(t.nodes[i].Left), int(t.nodes[i].Right), int(t.nodes[i].prefixLeft), int(t.nodes[i].prefixRight), int(t.nodes[i].prefixLength), t.nodes[i].TagCount, t.tagsForNode(buf, uint(i), nil))
}
}