/
system.go
45 lines (40 loc) · 909 Bytes
/
system.go
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package main
import (
"fmt"
"os"
"github.com/florianl/go-tc"
"golang.org/x/sys/unix"
)
func GetInterfaceNodes(tcnl *tc.Tc, interf uint32) (tr, filterNodes []*Node) {
qdiscs, err := tcnl.Qdisc().Get()
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to get qdiscs")
}
classes, err := tcnl.Class().Get(&tc.Msg{
Family: unix.AF_UNSPEC,
Ifindex: interf,
})
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to get classes")
}
filters, err := tcnl.Class().Get(&tc.Msg{
Family: unix.AF_UNSPEC,
Ifindex: interf,
})
if err != nil {
fmt.Fprintf(os.Stderr, "Failed to get filters")
}
for _, qd := range qdiscs {
n := NewNodeWithObject("qdisc", qd)
tr = append(tr, n)
}
for _, cl := range classes {
n := NewNodeWithObject("class", cl)
tr = append(tr, n)
}
for _, fl := range filters {
n := NewNodeWithObject("filter", fl)
filterNodes = append(filterNodes, n)
}
return
}