@ -9,10 +9,6 @@ import (
"encoding/json"
"errors"
"maps"
"net/netip"
"slices"
"tailscale.com/net/tsaddr"
)
func unmarshalSliceFromJSON [ T any ] ( b [ ] byte , x * [ ] T ) error {
@ -229,84 +225,6 @@ func SliceEqualAnyOrder[T comparable](a, b Slice[T]) bool {
return true
}
// IPPrefixSlice is a read-only accessor for a slice of netip.Prefix.
type IPPrefixSlice struct {
ж Slice [ netip . Prefix ]
}
// IPPrefixSliceOf returns a IPPrefixSlice for the provided slice.
func IPPrefixSliceOf ( x [ ] netip . Prefix ) IPPrefixSlice { return IPPrefixSlice { SliceOf ( x ) } }
// IsNil reports whether the underlying slice is nil.
func ( v IPPrefixSlice ) IsNil ( ) bool { return v . ж . IsNil ( ) }
// Len returns the length of the slice.
func ( v IPPrefixSlice ) Len ( ) int { return v . ж . Len ( ) }
// LenIter returns a slice the same length as the v.Len().
// The caller can then range over it to get the valid indexes.
// It does not allocate.
func ( v IPPrefixSlice ) LenIter ( ) [ ] struct { } { return make ( [ ] struct { } , v . ж . Len ( ) ) }
// At returns the IPPrefix at index `i` of the slice.
func ( v IPPrefixSlice ) At ( i int ) netip . Prefix { return v . ж . At ( i ) }
// AppendTo appends the underlying slice values to dst.
func ( v IPPrefixSlice ) AppendTo ( dst [ ] netip . Prefix ) [ ] netip . Prefix {
return v . ж . AppendTo ( dst )
}
// Unwrap returns the underlying Slice[netip.Prefix].
func ( v IPPrefixSlice ) Unwrap ( ) Slice [ netip . Prefix ] {
return v . ж
}
// AsSlice returns a copy of underlying slice.
func ( v IPPrefixSlice ) AsSlice ( ) [ ] netip . Prefix {
return v . ж . AsSlice ( )
}
// Filter returns a new slice, containing elements of v that match f.
func ( v IPPrefixSlice ) Filter ( f func ( netip . Prefix ) bool ) [ ] netip . Prefix {
return tsaddr . FilterPrefixesCopy ( v . ж . ж , f )
}
// PrefixesContainsIP reports whether any IPPrefix contains IP.
func ( v IPPrefixSlice ) ContainsIP ( ip netip . Addr ) bool {
return tsaddr . PrefixesContainsIP ( v . ж . ж , ip )
}
// PrefixesContainsFunc reports whether f is true for any IPPrefix in the slice.
func ( v IPPrefixSlice ) ContainsFunc ( f func ( netip . Prefix ) bool ) bool {
return slices . ContainsFunc ( v . ж . ж , f )
}
// ContainsExitRoutes reports whether v contains ExitNode Routes.
func ( v IPPrefixSlice ) ContainsExitRoutes ( ) bool {
return tsaddr . ContainsExitRoutes ( v . ж . ж )
}
// ContainsNonExitSubnetRoutes reports whether v contains Subnet
// Routes other than ExitNode Routes.
func ( v IPPrefixSlice ) ContainsNonExitSubnetRoutes ( ) bool {
for i := 0 ; i < v . Len ( ) ; i ++ {
if v . At ( i ) . Bits ( ) != 0 {
return true
}
}
return false
}
// MarshalJSON implements json.Marshaler.
func ( v IPPrefixSlice ) MarshalJSON ( ) ( [ ] byte , error ) {
return v . ж . MarshalJSON ( )
}
// UnmarshalJSON implements json.Unmarshaler.
func ( v * IPPrefixSlice ) UnmarshalJSON ( b [ ] byte ) error {
return v . ж . UnmarshalJSON ( b )
}
// MapOf returns a view over m. It is the caller's responsibility to make sure K
// and V is immutable, if this is being used to provide a read-only view over m.
func MapOf [ K comparable , V comparable ] ( m map [ K ] V ) Map [ K , V ] {
Brad Fitzpatrick
1 year ago
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