ston1th/node_exporter
0
0
Fork 0
Code Issues Releases Activity

Fix all open go lint and vet issues

Browse source
This commit is contained in:
Tobias Schmidt 2017-02-28 12:44:53 -04:00
commit c703435790
37 changed files with 136 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

69
collector/tcpstat_linux.go
View file

@ -26,20 +26,31 @@ import (
"github.com/prometheus/client_golang/prometheus"
)
type TCPConnectionState int
type tcpConnectionState int
const (
TCP_ESTABLISHED TCPConnectionState = iota + 1
TCP_SYN_SENT
TCP_SYN_RECV
TCP_FIN_WAIT1
TCP_FIN_WAIT2
TCP_TIME_WAIT
TCP_CLOSE
TCP_CLOSE_WAIT
TCP_LAST_ACK
TCP_LISTEN
TCP_CLOSING
// TCP_ESTABLISHED
tcpEstablished tcpConnectionState = iota + 1
// TCP_SYN_SENT
tcpSynSent
// TCP_SYN_RECV
tcpSynRecv
// TCP_FIN_WAIT1
tcpFinWait1
// TCP_FIN_WAIT2
tcpFinWait2
// TCP_TIME_WAIT
tcpTimeWait
// TCP_CLOSE
tcpClose
// TCP_CLOSE_WAIT
tcpCloseWait
// TCP_LAST_ACK
tcpLastAck
// TCP_LISTEN
tcpListen
// TCP_CLOSING
tcpClosing
)
type tcpStatCollector struct {
@ -84,10 +95,10 @@ func (c *tcpStatCollector) Update(ch chan<- prometheus.Metric) (err error) {
for st, value := range tcpStats {
ch <- c.desc.mustNewConstMetric(value, st.String())
}
return err
return nil
}
func getTCPStats(statsFile string) (map[TCPConnectionState]float64, error) {
func getTCPStats(statsFile string) (map[tcpConnectionState]float64, error) {
file, err := os.Open(statsFile)
if err != nil {
return nil, err
@ -97,9 +108,9 @@ func getTCPStats(statsFile string) (map[TCPConnectionState]float64, error) {
return parseTCPStats(file)
}
func parseTCPStats(r io.Reader) (map[TCPConnectionState]float64, error) {
func parseTCPStats(r io.Reader) (map[tcpConnectionState]float64, error) {
var (
tcpStats = map[TCPConnectionState]float64{}
tcpStats = map[tcpConnectionState]float64{}
scanner = bufio.NewScanner(r)
)
@ -116,35 +127,35 @@ func parseTCPStats(r io.Reader) (map[TCPConnectionState]float64, error) {
return nil, err
}
tcpStats[TCPConnectionState(st)]++
tcpStats[tcpConnectionState(st)]++
}
return tcpStats, nil
}
func (st TCPConnectionState) String() string {
func (st tcpConnectionState) String() string {
switch st {
case TCP_ESTABLISHED:
case tcpEstablished:
return "established"
case TCP_SYN_SENT:
case tcpSynSent:
return "syn_sent"
case TCP_SYN_RECV:
case tcpSynRecv:
return "syn_recv"
case TCP_FIN_WAIT1:
case tcpFinWait1:
return "fin_wait1"
case TCP_FIN_WAIT2:
case tcpFinWait2:
return "fin_wait2"
case TCP_TIME_WAIT:
case tcpTimeWait:
return "time_wait"
case TCP_CLOSE:
case tcpClose:
return "close"
case TCP_CLOSE_WAIT:
case tcpCloseWait:
return "close_wait"
case TCP_LAST_ACK:
case tcpLastAck:
return "last_ack"
case TCP_LISTEN:
case tcpListen:
return "listen"
case TCP_CLOSING:
case tcpClosing:
return "closing"
default:
return "unknown"