mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-23 20:36:21 +01:00
87 lines
2.1 KiB
Go
87 lines
2.1 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.
|
|
|
|
package collector
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/binary"
|
|
"syscall"
|
|
"testing"
|
|
|
|
"github.com/mdlayher/netlink"
|
|
)
|
|
|
|
func Test_parseTCPStats(t *testing.T) {
|
|
encode := func(m InetDiagMsg) []byte {
|
|
var buf bytes.Buffer
|
|
err := binary.Write(&buf, binary.LittleEndian, m)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return buf.Bytes()
|
|
}
|
|
|
|
msg := []netlink.Message{
|
|
{
|
|
Data: encode(InetDiagMsg{
|
|
Family: syscall.AF_INET,
|
|
State: uint8(tcpEstablished),
|
|
Timer: 0,
|
|
Retrans: 0,
|
|
ID: InetDiagSockID{},
|
|
Expires: 0,
|
|
RQueue: 11,
|
|
WQueue: 21,
|
|
UID: 0,
|
|
Inode: 0,
|
|
}),
|
|
},
|
|
{
|
|
Data: encode(InetDiagMsg{
|
|
Family: syscall.AF_INET,
|
|
State: uint8(tcpListen),
|
|
Timer: 0,
|
|
Retrans: 0,
|
|
ID: InetDiagSockID{},
|
|
Expires: 0,
|
|
RQueue: 11,
|
|
WQueue: 21,
|
|
UID: 0,
|
|
Inode: 0,
|
|
}),
|
|
},
|
|
}
|
|
|
|
tcpStats, err := parseTCPStats(msg)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if want, got := 1, int(tcpStats[tcpEstablished]); want != got {
|
|
t.Errorf("want tcpstat number of established state %d, got %d", want, got)
|
|
}
|
|
|
|
if want, got := 1, int(tcpStats[tcpListen]); want != got {
|
|
t.Errorf("want tcpstat number of listen state %d, got %d", want, got)
|
|
}
|
|
|
|
if want, got := 42, int(tcpStats[tcpTxQueuedBytes]); want != got {
|
|
t.Errorf("want tcpstat number of bytes in tx queue %d, got %d", want, got)
|
|
}
|
|
if want, got := 22, int(tcpStats[tcpRxQueuedBytes]); want != got {
|
|
t.Errorf("want tcpstat number of bytes in rx queue %d, got %d", want, got)
|
|
}
|
|
|
|
}
|