Add v16.7.2

vendor/github.com/power-devops/perfstat/netstat.go

@@ -0,0 +1,117 @@
+// +build aix
+
+package perfstat
+
+/*
+#cgo LDFLAGS: -lperfstat
+
+#include <libperfstat.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "c_helpers.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+func NetIfaceTotalStat() (*NetIfaceTotal, error) {
+	var nif C.perfstat_netinterface_total_t
+
+	rc := C.perfstat_netinterface_total(nil, &nif, C.sizeof_perfstat_netinterface_total_t, 1)
+	if rc != 1 {
+		return nil, fmt.Errorf("perfstat_netinterface_total() error")
+	}
+	n := perfstatnetinterfacetotal2netifacetotal(nif)
+	return &n, nil
+}
+
+func NetBufferStat() ([]NetBuffer, error) {
+	var nbuf *C.perfstat_netbuffer_t
+	var first C.perfstat_id_t
+
+	numbuf := C.perfstat_netbuffer(nil, nil, C.sizeof_perfstat_netbuffer_t, 0)
+	if numbuf < 1 {
+		return nil, fmt.Errorf("perfstat_netbuffer() error")
+	}
+
+	nblen := C.sizeof_perfstat_netbuffer_t * C.ulong(numbuf)
+	nbuf = (*C.perfstat_netbuffer_t)(C.malloc(nblen))
+	defer C.free(unsafe.Pointer(nbuf))
+	C.strcpy(&first.name[0], C.CString(C.FIRST_NETBUFFER))
+	r := C.perfstat_netbuffer(&first, nbuf, C.sizeof_perfstat_netbuffer_t, numbuf)
+	if r < 0 {
+		return nil, fmt.Errorf("perfstat_netbuffer() error")
+	}
+	nb := make([]NetBuffer, r)
+	for i := 0; i < int(r); i++ {
+		b := C.get_netbuffer_stat(nbuf, C.int(i))
+		if b != nil {
+			nb[i] = perfstatnetbuffer2netbuffer(b)
+		}
+	}
+	return nb, nil
+}
+
+func NetIfaceStat() ([]NetIface, error) {
+	var nif *C.perfstat_netinterface_t
+	var first C.perfstat_id_t
+
+	numif := C.perfstat_netinterface(nil, nil, C.sizeof_perfstat_netinterface_t, 0)
+	if numif < 0 {
+		return nil, fmt.Errorf("perfstat_netinterface() error")
+	}
+	if numif == 0 {
+		return []NetIface{}, fmt.Errorf("no network interfaces found")
+	}
+
+	iflen := C.sizeof_perfstat_netinterface_t * C.ulong(numif)
+	nif = (*C.perfstat_netinterface_t)(C.malloc(iflen))
+	defer C.free(unsafe.Pointer(nif))
+	C.strcpy(&first.name[0], C.CString(C.FIRST_NETINTERFACE))
+	r := C.perfstat_netinterface(&first, nif, C.sizeof_perfstat_netinterface_t, numif)
+	if r < 0 {
+		return nil, fmt.Errorf("perfstat_netinterface() error")
+	}
+	ifs := make([]NetIface, r)
+	for i := 0; i < int(r); i++ {
+		b := C.get_netinterface_stat(nif, C.int(i))
+		if b != nil {
+			ifs[i] = perfstatnetinterface2netiface(b)
+		}
+	}
+	return ifs, nil
+}
+
+func NetAdapterStat() ([]NetAdapter, error) {
+	var adapters *C.perfstat_netadapter_t
+	var first C.perfstat_id_t
+
+	numad := C.perfstat_netadapter(nil, nil, C.sizeof_perfstat_netadapter_t, 0)
+	if numad < 0 {
+		return nil, fmt.Errorf("perfstat_netadater() error")
+	}
+	if numad == 0 {
+		return []NetAdapter{}, fmt.Errorf("no network adapters found")
+	}
+
+	adplen := C.sizeof_perfstat_netadapter_t * C.ulong(numad)
+	adapters = (*C.perfstat_netadapter_t)(C.malloc(adplen))
+	defer C.free(unsafe.Pointer(adapters))
+	C.strcpy(&first.name[0], C.CString(C.FIRST_NETINTERFACE))
+	r := C.perfstat_netadapter(&first, adapters, C.sizeof_perfstat_netadapter_t, numad)
+	if r < 0 {
+		return nil, fmt.Errorf("perfstat_netadapter() error")
+	}
+	ads := make([]NetAdapter, r)
+	for i := 0; i < int(r); i++ {
+		b := C.get_netadapter_stat(adapters, C.int(i))
+		if b != nil {
+			ads[i] = perfstatnetadapter2netadapter(b)
+		}
+	}
+	return ads, nil
+}