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package netlink
import (
"fmt"
"net"
)
// Rule represents a netlink rule.
type Rule struct {
Priority int
Family int
Table int
Mark int
Mask int
Tos uint
TunID uint
Goto int
Src *net.IPNet
Dst *net.IPNet
Flow int
IifName string
OifName string
SuppressIfgroup int
SuppressPrefixlen int
Invert bool
Dport *RulePortRange
Sport *RulePortRange
}
func (r Rule) String() string {
return fmt.Sprintf("ip rule %d: from %s table %d", r.Priority, r.Src, r.Table)
}
// NewRule return empty rules.
func NewRule() *Rule {
return &Rule{
SuppressIfgroup: -1,
SuppressPrefixlen: -1,
Priority: -1,
Mark: -1,
Mask: -1,
Goto: -1,
Flow: -1,
}
}
// NewRulePortRange creates rule sport/dport range.
func NewRulePortRange(start, end uint16) *RulePortRange {
return &RulePortRange{Start: start, End: end}
}
// RulePortRange represents rule sport/dport range.
type RulePortRange struct {
Start uint16
End uint16
}
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