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This commit is contained in:
crusader 2017-11-22 15:07:33 +09:00
parent e20c998949
commit f1f75535be
3 changed files with 11 additions and 10 deletions
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6
net/cidr/range.go
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@ -32,11 +32,11 @@ type CIDRRanger interface {
First() net.IP First() net.IP
Last() net.IP Last() net.IP
Range() []net.IP Range() []net.IP
// (!Contains(startIP) || !Contains(endIP)) return nil // (!Contains(startIP) || !Contains(endIP)) return error
// (startIP > endIP) return nil // (startIP > endIP) return error
// (nil != startIP && nil != endIP) return (startIP ~ endIP) + include - exclude // (nil != startIP && nil != endIP) return (startIP ~ endIP) + include - exclude
// (nil == startIP || nil == endIP) return include - exclude // (nil == startIP || nil == endIP) return include - exclude
Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) []net.IP Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) ([]net.IP, error)
Broadcast() net.IP Broadcast() net.IP
Network() net.IP Network() net.IP
Next(ip net.IP) net.IP Next(ip net.IP) net.IP

11
net/cidr/range_v4.go
View File

@ -1,6 +1,7 @@
package cidr package cidr
import ( import (
"fmt"
"net" "net"
"git.loafle.net/commons_go/util/net/converter" "git.loafle.net/commons_go/util/net/converter"
@ -47,21 +48,21 @@ func (cr *cidrRangeIPv4) Range() []net.IP {
// (startIP > endIP) return nil // (startIP > endIP) return nil
// (nil != startIP && nil != endIP) return (startIP ~ endIP) + include - exclude // (nil != startIP && nil != endIP) return (startIP ~ endIP) + include - exclude
// (nil == startIP || nil == endIP) return include - exclude // (nil == startIP || nil == endIP) return include - exclude
func (cr *cidrRangeIPv4) Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) []net.IP { func (cr *cidrRangeIPv4) Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) ([]net.IP, error) {
res := make(map[int32]bool) res := make(map[int32]bool)
if nil != startIP && nil != endIP { if nil != startIP && nil != endIP {
if !cr.Contains(startIP) { if !cr.Contains(startIP) {
return nil return nil, fmt.Errorf("CIDR Range: CIDR not contains start ip[%v]", startIP)
} }
if !cr.Contains(endIP) { if !cr.Contains(endIP) {
return nil return nil, fmt.Errorf("CIDR Range: CIDR not contains end ip[%v]", endIP)
} }
sNum := converter.IPv4ToInt(startIP.To4()) sNum := converter.IPv4ToInt(startIP.To4())
eNum := converter.IPv4ToInt(endIP.To4()) eNum := converter.IPv4ToInt(endIP.To4())
if sNum > eNum { if sNum > eNum {
return nil return nil, fmt.Errorf("CIDR Range: Start IP[%v] must smaller then End IP[%v]", startIP, endIP)
} }
for i := sNum; i <= eNum; i++ { for i := sNum; i <= eNum; i++ {
res[i] = true res[i] = true
@ -91,7 +92,7 @@ func (cr *cidrRangeIPv4) Ranges(startIP net.IP, endIP net.IP, include []net.IP,
r = append(r, converter.IntToIPv4(k)) r = append(r, converter.IntToIPv4(k))
} }
return r return r, nil
} }
func (cr *cidrRangeIPv4) Broadcast() net.IP { func (cr *cidrRangeIPv4) Broadcast() net.IP {

4
net/cidr/range_v6.go
View File

@ -22,8 +22,8 @@ func (cr *cidrRangeIPv6) Range() []net.IP {
return nil return nil
} }
func (cr *cidrRangeIPv6) Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) []net.IP { func (cr *cidrRangeIPv6) Ranges(startIP net.IP, endIP net.IP, include []net.IP, exclude []net.IP) ([]net.IP, error) {
return nil return nil, nil
} }
func (cr *cidrRangeIPv6) Broadcast() net.IP { func (cr *cidrRangeIPv6) Broadcast() net.IP {