mirror of
https://codeberg.org/superseriousbusiness/gotosocial.git
synced 2024-12-21 16:34:26 +03:00
119 lines
3.4 KiB
Go
119 lines
3.4 KiB
Go
// Copyright 2023 Prometheus Team
|
|
// 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 procfs
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// TLSStat struct represents data in /proc/net/tls_stat.
|
|
// See https://docs.kernel.org/networking/tls.html#statistics
|
|
type TLSStat struct {
|
|
// number of TX sessions currently installed where host handles cryptography
|
|
TLSCurrTxSw int
|
|
// number of RX sessions currently installed where host handles cryptography
|
|
TLSCurrRxSw int
|
|
// number of TX sessions currently installed where NIC handles cryptography
|
|
TLSCurrTxDevice int
|
|
// number of RX sessions currently installed where NIC handles cryptography
|
|
TLSCurrRxDevice int
|
|
//number of TX sessions opened with host cryptography
|
|
TLSTxSw int
|
|
//number of RX sessions opened with host cryptography
|
|
TLSRxSw int
|
|
// number of TX sessions opened with NIC cryptography
|
|
TLSTxDevice int
|
|
// number of RX sessions opened with NIC cryptography
|
|
TLSRxDevice int
|
|
// record decryption failed (e.g. due to incorrect authentication tag)
|
|
TLSDecryptError int
|
|
// number of RX resyncs sent to NICs handling cryptography
|
|
TLSRxDeviceResync int
|
|
// number of RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. Note that this counter will also increment for non-data records.
|
|
TLSDecryptRetry int
|
|
// number of data RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction.
|
|
TLSRxNoPadViolation int
|
|
}
|
|
|
|
// NewTLSStat reads the tls_stat statistics.
|
|
func NewTLSStat() (TLSStat, error) {
|
|
fs, err := NewFS(DefaultMountPoint)
|
|
if err != nil {
|
|
return TLSStat{}, err
|
|
}
|
|
|
|
return fs.NewTLSStat()
|
|
}
|
|
|
|
// NewTLSStat reads the tls_stat statistics.
|
|
func (fs FS) NewTLSStat() (TLSStat, error) {
|
|
file, err := os.Open(fs.proc.Path("net/tls_stat"))
|
|
if err != nil {
|
|
return TLSStat{}, err
|
|
}
|
|
defer file.Close()
|
|
|
|
var (
|
|
tlsstat = TLSStat{}
|
|
s = bufio.NewScanner(file)
|
|
)
|
|
|
|
for s.Scan() {
|
|
fields := strings.Fields(s.Text())
|
|
|
|
if len(fields) != 2 {
|
|
return TLSStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
|
|
}
|
|
|
|
name := fields[0]
|
|
value, err := strconv.Atoi(fields[1])
|
|
if err != nil {
|
|
return TLSStat{}, err
|
|
}
|
|
|
|
switch name {
|
|
case "TlsCurrTxSw":
|
|
tlsstat.TLSCurrTxSw = value
|
|
case "TlsCurrRxSw":
|
|
tlsstat.TLSCurrRxSw = value
|
|
case "TlsCurrTxDevice":
|
|
tlsstat.TLSCurrTxDevice = value
|
|
case "TlsCurrRxDevice":
|
|
tlsstat.TLSCurrRxDevice = value
|
|
case "TlsTxSw":
|
|
tlsstat.TLSTxSw = value
|
|
case "TlsRxSw":
|
|
tlsstat.TLSRxSw = value
|
|
case "TlsTxDevice":
|
|
tlsstat.TLSTxDevice = value
|
|
case "TlsRxDevice":
|
|
tlsstat.TLSRxDevice = value
|
|
case "TlsDecryptError":
|
|
tlsstat.TLSDecryptError = value
|
|
case "TlsRxDeviceResync":
|
|
tlsstat.TLSRxDeviceResync = value
|
|
case "TlsDecryptRetry":
|
|
tlsstat.TLSDecryptRetry = value
|
|
case "TlsRxNoPadViolation":
|
|
tlsstat.TLSRxNoPadViolation = value
|
|
}
|
|
|
|
}
|
|
|
|
return tlsstat, s.Err()
|
|
}
|