mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-28 06:59:44 -08:00
66fb6762bf
* Check interface name before loading interface data * Reduce indentation * Optimize nested netdev map This change avoids conversion to strings and back. Signed-off-by: Julian Kornberger <jk+github@digineo.de>
75 lines
2 KiB
Go
75 lines
2 KiB
Go
// 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 (
|
|
"errors"
|
|
"regexp"
|
|
|
|
"github.com/go-kit/kit/log"
|
|
"github.com/go-kit/kit/log/level"
|
|
)
|
|
|
|
/*
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <ifaddrs.h>
|
|
#include <net/if.h>
|
|
*/
|
|
import "C"
|
|
|
|
func getNetDevStats(ignore *regexp.Regexp, accept *regexp.Regexp, logger log.Logger) (netDevStats, error) {
|
|
netDev := netDevStats{}
|
|
|
|
var ifap, ifa *C.struct_ifaddrs
|
|
if C.getifaddrs(&ifap) == -1 {
|
|
return nil, errors.New("getifaddrs() failed")
|
|
}
|
|
defer C.freeifaddrs(ifap)
|
|
|
|
for ifa = ifap; ifa != nil; ifa = ifa.ifa_next {
|
|
if ifa.ifa_addr.sa_family != C.AF_LINK {
|
|
continue
|
|
}
|
|
|
|
dev := C.GoString(ifa.ifa_name)
|
|
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
|
|
}
|
|
|
|
data := (*C.struct_if_data)(ifa.ifa_data)
|
|
|
|
netDev[dev] = map[string]uint64{
|
|
"receive_packets": uint64(data.ifi_ipackets),
|
|
"transmit_packets": uint64(data.ifi_opackets),
|
|
"receive_errs": uint64(data.ifi_ierrors),
|
|
"transmit_errs": uint64(data.ifi_oerrors),
|
|
"receive_bytes": uint64(data.ifi_ibytes),
|
|
"transmit_bytes": uint64(data.ifi_obytes),
|
|
"receive_multicast": uint64(data.ifi_imcasts),
|
|
"transmit_multicast": uint64(data.ifi_omcasts),
|
|
"receive_drop": uint64(data.ifi_iqdrops),
|
|
}
|
|
}
|
|
|
|
return netDev, nil
|
|
}
|