summaryrefslogtreecommitdiff
path: root/vendor/github.com/prometheus/procfs/net_route.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/prometheus/procfs/net_route.go')
-rw-r--r--vendor/github.com/prometheus/procfs/net_route.go143
1 files changed, 0 insertions, 143 deletions
diff --git a/vendor/github.com/prometheus/procfs/net_route.go b/vendor/github.com/prometheus/procfs/net_route.go
deleted file mode 100644
index deb7029fe..000000000
--- a/vendor/github.com/prometheus/procfs/net_route.go
+++ /dev/null
@@ -1,143 +0,0 @@
-// Copyright 2023 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 procfs
-
-import (
- "bufio"
- "bytes"
- "fmt"
- "io"
- "strconv"
- "strings"
-
- "github.com/prometheus/procfs/internal/util"
-)
-
-const (
- blackholeRepresentation string = "*"
- blackholeIfaceName string = "blackhole"
- routeLineColumns int = 11
-)
-
-// A NetRouteLine represents one line from net/route.
-type NetRouteLine struct {
- Iface string
- Destination uint32
- Gateway uint32
- Flags uint32
- RefCnt uint32
- Use uint32
- Metric uint32
- Mask uint32
- MTU uint32
- Window uint32
- IRTT uint32
-}
-
-func (fs FS) NetRoute() ([]NetRouteLine, error) {
- return readNetRoute(fs.proc.Path("net", "route"))
-}
-
-func readNetRoute(path string) ([]NetRouteLine, error) {
- b, err := util.ReadFileNoStat(path)
- if err != nil {
- return nil, err
- }
-
- routelines, err := parseNetRoute(bytes.NewReader(b))
- if err != nil {
- return nil, fmt.Errorf("failed to read net route from %s: %w", path, err)
- }
- return routelines, nil
-}
-
-func parseNetRoute(r io.Reader) ([]NetRouteLine, error) {
- var routelines []NetRouteLine
-
- scanner := bufio.NewScanner(r)
- scanner.Scan()
- for scanner.Scan() {
- fields := strings.Fields(scanner.Text())
- routeline, err := parseNetRouteLine(fields)
- if err != nil {
- return nil, err
- }
- routelines = append(routelines, *routeline)
- }
- return routelines, nil
-}
-
-func parseNetRouteLine(fields []string) (*NetRouteLine, error) {
- if len(fields) != routeLineColumns {
- return nil, fmt.Errorf("invalid routeline, num of digits: %d", len(fields))
- }
- iface := fields[0]
- if iface == blackholeRepresentation {
- iface = blackholeIfaceName
- }
- destination, err := strconv.ParseUint(fields[1], 16, 32)
- if err != nil {
- return nil, err
- }
- gateway, err := strconv.ParseUint(fields[2], 16, 32)
- if err != nil {
- return nil, err
- }
- flags, err := strconv.ParseUint(fields[3], 10, 32)
- if err != nil {
- return nil, err
- }
- refcnt, err := strconv.ParseUint(fields[4], 10, 32)
- if err != nil {
- return nil, err
- }
- use, err := strconv.ParseUint(fields[5], 10, 32)
- if err != nil {
- return nil, err
- }
- metric, err := strconv.ParseUint(fields[6], 10, 32)
- if err != nil {
- return nil, err
- }
- mask, err := strconv.ParseUint(fields[7], 16, 32)
- if err != nil {
- return nil, err
- }
- mtu, err := strconv.ParseUint(fields[8], 10, 32)
- if err != nil {
- return nil, err
- }
- window, err := strconv.ParseUint(fields[9], 10, 32)
- if err != nil {
- return nil, err
- }
- irtt, err := strconv.ParseUint(fields[10], 10, 32)
- if err != nil {
- return nil, err
- }
- routeline := &NetRouteLine{
- Iface: iface,
- Destination: uint32(destination),
- Gateway: uint32(gateway),
- Flags: uint32(flags),
- RefCnt: uint32(refcnt),
- Use: uint32(use),
- Metric: uint32(metric),
- Mask: uint32(mask),
- MTU: uint32(mtu),
- Window: uint32(window),
- IRTT: uint32(irtt),
- }
- return routeline, nil
-}