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addrtype.go
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addrtype.go
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//
// Copyright 2020-2022 Sean C Foley
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package ipaddr
// addrType tracks which address division and address division groupings can be upscaled to higher-level types
type addrType byte
const (
zeroType addrType = 0 // no segments
ipv4Type addrType = 1 // ipv4 segments
ipv6Type addrType = 2 // ipv6 segments
ipv6v4MixedType addrType = 3 // ipv6-v4 mixed segments
macType addrType = 4 // mac segments
)
func (a addrType) isNil() bool {
return a == zeroType
}
func (a addrType) isIPv4() bool {
return a == ipv4Type
}
func (a addrType) isIPv6() bool {
return a == ipv6Type
}
func (a addrType) isIPv6v4Mixed() bool {
return a == ipv6v4MixedType
}
func (a addrType) isIP() bool {
return a.isIPv4() || a.isIPv6()
}
func (a addrType) isMAC() bool {
return a == macType
}
func (a addrType) getIPNetwork() (network IPAddressNetwork) {
if a.isIPv6() {
network = ipv6Network
} else if a.isIPv4() {
network = ipv4Network
}
return
}
func (a addrType) getNetwork() (network addressNetwork) {
if a.isIPv6() {
network = ipv6Network
} else if a.isIPv4() {
network = ipv4Network
} else if a.isMAC() {
network = macNetwork
}
return
}