Add some support for NetBSD

cpu/cpu_fallback.go

@@ -1,5 +1,5 @@
-//go:build !darwin && !linux && !freebsd && !openbsd && !solaris && !windows && !dragonfly && !plan9 && !aix
-// +build !darwin,!linux,!freebsd,!openbsd,!solaris,!windows,!dragonfly,!plan9,!aix
+//go:build !darwin && !linux && !freebsd && !openbsd && !netbsd && !solaris && !windows && !dragonfly && !plan9 && !aix
+// +build !darwin,!linux,!freebsd,!openbsd,!netbsd,!solaris,!windows,!dragonfly,!plan9,!aix
 
 package cpu
 

cpu/cpu_netbsd.go

@@ -0,0 +1,119 @@
+//go:build netbsd
+// +build netbsd
+
+package cpu
+
+import (
+	"context"
+	"fmt"
+	"runtime"
+	"unsafe"
+
+	"github.com/shirou/gopsutil/v3/internal/common"
+	"github.com/tklauser/go-sysconf"
+	"golang.org/x/sys/unix"
+)
+
+const (
+	// sys/sysctl.h
+	ctlKern    = 1  // "high kernel": proc, limits
+	ctlHw      = 6  // CTL_HW
+	kernCpTime = 51 // KERN_CPTIME
+)
+
+var ClocksPerSec = float64(100)
+
+func init() {
+	clkTck, err := sysconf.Sysconf(sysconf.SC_CLK_TCK)
+	// ignore errors
+	if err == nil {
+		ClocksPerSec = float64(clkTck)
+	}
+}
+
+func Times(percpu bool) ([]TimesStat, error) {
+	return TimesWithContext(context.Background(), percpu)
+}
+
+func TimesWithContext(ctx context.Context, percpu bool) (ret []TimesStat, err error) {
+	if !percpu {
+		mib := []int32{ctlKern, kernCpTime}
+		buf, _, err := common.CallSyscall(mib)
+		if err != nil {
+			return ret, err
+		}
+		times := (*cpuTimes)(unsafe.Pointer(&buf[0]))
+		stat := TimesStat{
+			CPU:    "cpu-total",
+			User:   float64(times.User),
+			Nice:   float64(times.Nice),
+			System: float64(times.Sys),
+			Idle:   float64(times.Idle),
+			Irq:    float64(times.Intr),
+		}
+		return []TimesStat{stat}, nil
+	}
+
+	ncpu, err := unix.SysctlUint32("hw.ncpu")
+	if err != nil {
+		return
+	}
+
+	var i uint32
+	for i = 0; i < ncpu; i++ {
+		mib := []int32{ctlKern, kernCpTime, int32(i)}
+		buf, _, err := common.CallSyscall(mib)
+		if err != nil {
+			return ret, err
+		}
+
+		stats := (*cpuTimes)(unsafe.Pointer(&buf[0]))
+		ret = append(ret, TimesStat{
+			CPU:    fmt.Sprintf("cpu%d", i),
+			User:   float64(stats.User),
+			Nice:   float64(stats.Nice),
+			System: float64(stats.Sys),
+			Idle:   float64(stats.Idle),
+			Irq:    float64(stats.Intr),
+		})
+	}
+
+	return ret, nil
+}
+
+// Returns only one (minimal) CPUInfoStat on NetBSD
+func Info() ([]InfoStat, error) {
+	return InfoWithContext(context.Background())
+}
+
+func InfoWithContext(ctx context.Context) ([]InfoStat, error) {
+	var ret []InfoStat
+	var err error
+
+	c := InfoStat{}
+
+	mhz, err := unix.Sysctl("machdep.dmi.processor-frequency")
+	if err != nil {
+		return nil, err
+	}
+	_, err = fmt.Sscanf(mhz, "%f", &c.Mhz)
+	if err != nil {
+		return nil, err
+	}
+
+	ncpu, err := unix.SysctlUint32("hw.ncpuonline")
+	if err != nil {
+		return nil, err
+	}
+	c.Cores = int32(ncpu)
+
+	if c.ModelName, err = unix.Sysctl("machdep.dmi.processor-version"); err != nil {
+		return nil, err
+	}
+
+	return append(ret, c), nil
+}
+
+func CountsWithContext(ctx context.Context, logical bool) (int, error) {
+	return runtime.NumCPU(), nil
+}

cpu/cpu_netbsd_amd64.go

@@ -0,0 +1,9 @@
+package cpu
+
+type cpuTimes struct {
+	User uint64
+	Nice uint64
+	Sys  uint64
+	Intr uint64
+	Idle uint64
+}

cpu/cpu_netbsd_arm64.go

@@ -0,0 +1,9 @@
+package cpu
+
+type cpuTimes struct {
+	User uint64
+	Nice uint64
+	Sys  uint64
+	Intr uint64
+	Idle uint64
+}

disk/disk_fallback.go

@@ -1,5 +1,5 @@
-//go:build !darwin && !linux && !freebsd && !openbsd && !windows && !solaris && !aix
-// +build !darwin,!linux,!freebsd,!openbsd,!windows,!solaris,!aix
+//go:build !darwin && !linux && !freebsd && !openbsd && !netbsd && !windows && !solaris && !aix 
+// +build !darwin,!linux,!freebsd,!openbsd,!netbsd,!windows,!solaris,!aix
 
 package disk
 

disk/disk_netbsd.go

@@ -0,0 +1,152 @@
+//go:build netbsd
+// +build netbsd
+
+package disk
+
+import (
+	"context"
+	"unsafe"
+
+	"github.com/shirou/gopsutil/v3/internal/common"
+	"golang.org/x/sys/unix"
+)
+
+const (
+	// see sys/fstypes.h and `man 5 statvfs`
+	MNT_RDONLY      = 0x00000001 /* read only filesystem */
+	MNT_SYNCHRONOUS = 0x00000002 /* file system written synchronously */
+	MNT_NOEXEC      = 0x00000004 /* can't exec from filesystem */
+	MNT_NOSUID      = 0x00000008 /* don't honor setuid bits on fs */
+	MNT_NODEV       = 0x00000010 /* don't interpret special files */
+	MNT_ASYNC       = 0x00000040 /* file system written asynchronously */
+	MNT_NOATIME     = 0x04000000 /* Never update access times in fs */
+	MNT_SOFTDEP     = 0x80000000 /* Use soft dependencies */
+)
+
+func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) {
+	var ret []PartitionStat
+
+	flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h
+
+	// get required buffer size
+	emptyBufSize := 0
+	r, _, err := unix.Syscall(
+		483, // SYS___getvfsstat90 syscall
+		uintptr(unsafe.Pointer(nil)),
+		uintptr(unsafe.Pointer(&emptyBufSize)),
+		uintptr(unsafe.Pointer(&flag)),
+	)
+	if err != 0 {
+		return ret, err
+	}
+	mountedFsCount := uint64(r)
+
+	// calculate the buffer size
+	bufSize := sizeOfStatvfs * mountedFsCount
+	buf := make([]Statvfs, mountedFsCount)
+
+	// request agian to get desired mount data
+	_, _, err = unix.Syscall(
+		483, // SYS___getvfsstat90 syscall
+		uintptr(unsafe.Pointer(&buf[0])),
+		uintptr(unsafe.Pointer(&bufSize)),
+		uintptr(unsafe.Pointer(&flag)),
+	)
+	if err != 0 {
+		return ret, err
+	}
+
+	for _, stat := range buf {
+		opts := []string{"rw"}
+		if stat.Flag&MNT_RDONLY != 0 {
+			opts = []string{"rw"}
+		}
+		if stat.Flag&MNT_SYNCHRONOUS != 0 {
+			opts = append(opts, "sync")
+		}
+		if stat.Flag&MNT_NOEXEC != 0 {
+			opts = append(opts, "noexec")
+		}
+		if stat.Flag&MNT_NOSUID != 0 {
+			opts = append(opts, "nosuid")
+		}
+		if stat.Flag&MNT_NODEV != 0 {
+			opts = append(opts, "nodev")
+		}
+		if stat.Flag&MNT_ASYNC != 0 {
+			opts = append(opts, "async")
+		}
+		if stat.Flag&MNT_SOFTDEP != 0 {
+			opts = append(opts, "softdep")
+		}
+		if stat.Flag&MNT_NOATIME != 0 {
+			opts = append(opts, "noatime")
+		}
+
+		d := PartitionStat{
+			Device:     common.ByteToString([]byte(stat.Mntfromname[:])),
+			Mountpoint: common.ByteToString([]byte(stat.Mntonname[:])),
+			Fstype:     common.ByteToString([]byte(stat.Fstypename[:])),
+			Opts:       opts,
+		}
+
+		ret = append(ret, d)
+	}
+
+	return ret, nil
+}
+
+func IOCountersWithContext(ctx context.Context, names ...string) (map[string]IOCountersStat, error) {
+	ret := make(map[string]IOCountersStat)
+	return ret, common.ErrNotImplementedError
+}
+
+func UsageWithContext(ctx context.Context, path string) (*UsageStat, error) {
+	stat := Statvfs{}
+	flag := uint64(1) // ST_WAIT/MNT_WAIT, see sys/fstypes.h
+
+	_path, e := unix.BytePtrFromString(path)
+	if e != nil {
+		return nil, e
+	}
+
+	_, _, err := unix.Syscall(
+		484, // SYS___statvfs190, see sys/syscall.h
+		uintptr(unsafe.Pointer(_path)),
+		uintptr(unsafe.Pointer(&stat)),
+		uintptr(unsafe.Pointer(&flag)),
+	)
+	if err != 0 {
+		return nil, err
+	}
+
+	// frsize is the real block size on NetBSD. See discuss here: https://bugzilla.samba.org/show_bug.cgi?id=11810
+	bsize := stat.Frsize
+	ret := &UsageStat{
+		Path:        path,
+		Fstype:      getFsType(stat),
+		Total:       (uint64(stat.Blocks) * uint64(bsize)),
+		Free:        (uint64(stat.Bavail) * uint64(bsize)),
+		InodesTotal: (uint64(stat.Files)),
+		InodesFree:  (uint64(stat.Ffree)),
+	}
+
+	ret.InodesUsed = (ret.InodesTotal - ret.InodesFree)
+	ret.InodesUsedPercent = (float64(ret.InodesUsed) / float64(ret.InodesTotal)) * 100.0
+	ret.Used = (uint64(stat.Blocks) - uint64(stat.Bfree)) * uint64(bsize)
+	ret.UsedPercent = (float64(ret.Used) / float64(ret.Total)) * 100.0
+
+	return ret, nil
+}
+
+func getFsType(stat Statvfs) string {
+	return common.ByteToString(stat.Fstypename[:])
+}
+
+func SerialNumberWithContext(ctx context.Context, name string) (string, error) {
+	return "", common.ErrNotImplementedError
+}
+
+func LabelWithContext(ctx context.Context, name string) (string, error) {
+	return "", common.ErrNotImplementedError
+}