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package iplib
import (
"fmt"
"net"
)
func ExampleNet6_Contains() {
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.Contains(net.ParseIP("2001:db8:1234:5678::1")))
fmt.Println(n.Contains(net.ParseIP("2001:db8:1234::")))
// Output:
// true
// false
}
func ExampleNet6_Count() {
// without hostmask
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.Count())
// with hostmask set to 56, leaving 8 usable bytes between the two masks
n = NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 56)
fmt.Println(n.Count())
// Output:
// 18446744073709551616
// 256
}
func ExampleNet6_LastAddress() {
// without hostmask
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.LastAddress())
// with hostmask set to 56, leaving 8 usable bytes between the two masks
n = NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 56)
fmt.Println(n.LastAddress())
// Output:
// 2001:db8:1234:5678:ffff:ffff:ffff:ffff
// 2001:db8:1234:5678:ff00::
}
func ExampleNet6_NextIP() {
// without hostmask
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.NextIP(net.ParseIP("2001:db8:1234:5678::")))
// with hostmask set to 56, leaving 8 usable bytes between the two masks
n = NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 56)
fmt.Println(n.NextIP(net.ParseIP("2001:db8:1234:5678::")))
// as above, but trying to scan past the end of the netblock
fmt.Println(n.NextIP(net.ParseIP("2001:db8:1234:5678:ff00::")))
// Output:
// 2001:db8:1234:5678::1 <nil>
// 2001:db8:1234:5678:100:: <nil>
// <nil> address is not a part of this netblock
}
func ExampleNet6_NextNet() {
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.NextNet(0))
// Output: 2001:db8:1234:5679::/64
}
func ExampleNet6_PreviousIP() {
// without hostmask
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.PreviousIP(net.ParseIP("2001:db8:1234:5678:ff00::")))
// as above, but trying to scan past the end of the netblock
fmt.Println(n.PreviousIP(net.ParseIP("2001:db8:1234:5678::")))
// with hostmask set to 56, leaving 8 usable bytes between the two masks
n = NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 56)
fmt.Println(n.PreviousIP(net.ParseIP("2001:db8:1234:5678:ff00::")))
// Output:
// 2001:db8:1234:5678:feff:ffff:ffff:ffff <nil>
// <nil> address is not a part of this netblock
// 2001:db8:1234:5678:fe00:: <nil>
}
func ExampleNet6_PreviousNet() {
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
// at the same netmask
fmt.Println(n.PreviousNet(0))
// at a larger netmask (result encompasses the starting network)
fmt.Println(n.PreviousNet(62))
// Output:
// 2001:db8:1234:5677::/64
// 2001:db8:1234:5674::/62
}
func ExampleNet6_Subnet() {
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
for _, i := range []int{65, 66} {
sub, _ := n.Subnet(i, 0)
fmt.Println(sub)
}
// Output:
// [2001:db8:1234:5678::/65 2001:db8:1234:5678:8000::/65]
// [2001:db8:1234:5678::/66 2001:db8:1234:5678:4000::/66 2001:db8:1234:5678:8000::/66 2001:db8:1234:5678:c000::/66]
}
func ExampleNet6_Supernet() {
n := NewNet6(net.ParseIP("2001:db8:1234:5678::"), 64, 0)
fmt.Println(n.Supernet(0, 0))
// Output: 2001:db8:1234:5678::/63 <nil>
}
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