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gopsutil/disk/disk_aix_nocgo.go

83 lines
1.9 KiB
Go

//go:build aix && !cgo
// +build aix,!cgo
package disk
import (
"context"
"regexp"
"strings"
"github.com/shirou/gopsutil/v3/internal/common"
"golang.org/x/sys/unix"
)
var whiteSpaces = regexp.MustCompile(`\s+`)
var startBlank = regexp.MustCompile(`^\s+`)
var ignoreFSType = map[string]bool{"procfs": true}
var FSType = map[int]string{
0: "jfs2", 1: "namefs", 2: "nfs", 3: "jfs", 5: "cdrom", 6: "proc",
16: "special-fs", 17: "cache-fs", 18: "nfs3", 19: "automount-fs", 20: "pool-fs", 32: "vxfs",
33: "veritas-fs", 34: "udfs", 35: "nfs4", 36: "nfs4-pseudo", 37: "smbfs", 38: "mcr-pseudofs",
39: "ahafs", 40: "sterm-nfs", 41: "asmfs",
}
func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) {
var ret []PartitionStat
out, err := invoke.CommandWithContext(ctx, "mount")
if err != nil {
return nil, err
}
// parse head lines for column names
colidx := make(map[string]int)
lines := strings.Split(string(out), "\n")
if len(lines) < 3 {
return nil, common.ErrNotImplementedError
}
idx := 0
start := 0
finished := false
for pos, ch := range lines[1] {
if ch == ' ' && !finished {
name := strings.TrimSpace(lines[0][start:pos])
colidx[name] = idx
finished = true
} else if ch == '-' && finished {
idx++
start = pos
finished = false
}
}
name := strings.TrimSpace(lines[0][start:len(lines[1])])
colidx[name] = idx
for idx := 2; idx < len(lines); idx++ {
line := lines[idx]
if startBlank.MatchString(line) {
line = "localhost" + line
}
p := whiteSpaces.Split(lines[idx], 6)
if len(p) < 5 || ignoreFSType[p[colidx["vfs"]]] {
continue
}
d := PartitionStat{
Device: p[colidx["mounted"]],
Mountpoint: p[colidx["mounted over"]],
Fstype: p[colidx["vfs"]],
Opts: strings.Split(p[colidx["options"]], ","),
}
ret = append(ret, d)
}
return ret, nil
}
func getFsType(stat unix.Statfs_t) string {
return FSType[int(stat.Vfstype)]
}