remove openbsd amd64 cgo

collector/netdev_openbsd_amd64.go

@@ -0,0 +1,79 @@
+// Copyright 2015 The Prometheus Authors
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build !nonetdev
+
+package collector
+
+import (
+	"github.com/go-kit/kit/log"
+	"github.com/go-kit/kit/log/level"
+	"strconv"
+
+	"golang.org/x/sys/unix"
+	"regexp"
+	"unsafe"
+)
+
+func getNetDevStats(ignore *regexp.Regexp, accept *regexp.Regexp, logger log.Logger) (map[string]map[string]string, error) {
+	netDev := map[string]map[string]string{}
+
+	mib := [6]_C_int{unix.CTL_NET, unix.AF_ROUTE, 0, 0, unix.NET_RT_IFLIST, 0}
+	buf, err := sysctl(mib[:])
+	if err != nil {
+		return nil, err
+	}
+	n := uintptr(len(buf))
+	index := uintptr(unsafe.Pointer(&buf[0]))
+	next := uintptr(0)
+
+	var rtm *unix.RtMsghdr
+
+	for next = index; next < (index + n); next += uintptr(rtm.Msglen) {
+		rtm = (*unix.RtMsghdr)(unsafe.Pointer(next))
+		if rtm.Version != unix.RTM_VERSION || rtm.Type != unix.RTM_IFINFO {
+			continue
+		}
+		ifm := (*unix.IfMsghdr)(unsafe.Pointer(next))
+		if ifm.Addrs&unix.RTA_IFP == 0 {
+			continue
+		}
+		dl := (*unix.RawSockaddrDatalink)(unsafe.Pointer(next + uintptr(rtm.Hdrlen)))
+		if dl.Family != unix.AF_LINK {
+			continue
+		}
+		data := ifm.Data
+		dev := int8ToString(dl.Data[:dl.Nlen])
+		if ignore != nil && ignore.MatchString(dev) {
+			level.Debug(logger).Log("msg", "Ignoring device", "device", dev)
+			continue
+		}
+		if accept != nil && !accept.MatchString(dev) {
+			level.Debug(logger).Log("msg", "Ignoring device", "device", dev)
+			continue
+		}
+
+		devStats := map[string]string{}
+		devStats["receive_packets"] = strconv.Itoa(int(data.Ipackets))
+		devStats["transmit_packets"] = strconv.Itoa(int(data.Opackets))
+		devStats["receive_errs"] = strconv.Itoa(int(data.Ierrors))
+		devStats["transmit_errs"] = strconv.Itoa(int(data.Oerrors))
+		devStats["receive_bytes"] = strconv.Itoa(int(data.Ibytes))
+		devStats["transmit_bytes"] = strconv.Itoa(int(data.Obytes))
+		devStats["receive_multicast"] = strconv.Itoa(int(data.Imcasts))
+		devStats["transmit_multicast"] = strconv.Itoa(int(data.Omcasts))
+		devStats["receive_drop"] = strconv.Itoa(int(data.Iqdrops))
+		netDev[dev] = devStats
+	}
+	return netDev, nil
+}