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refactor: Use explicit interface instead of os.File for drive backend

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This commit is contained in:
Felicitas Pojtinger
2022-01-07 22:27:14 +01:00
parent 314e60f9b1
commit f45f8b1499
9 changed files with 32 additions and 29 deletions
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21
internal/mtio/mtio_linux.go
View File

@@ -3,7 +3,6 @@
package mtio
import (
"os"
"syscall"
"unsafe"
)
@@ -31,11 +30,11 @@ type operation struct {
count int32 // Operation count
}
func GetCurrentRecordFromTape(f *os.File) (int64, error) {
func GetCurrentRecordFromTape(fd uintptr) (int64, error) {
pos := &position{}
if _, _, err := syscall.Syscall(
syscall.SYS_IOCTL,
f.Fd(),
fd,
mtioCpos,
uintptr(unsafe.Pointer(pos)),
); err != 0 {
@@ -45,10 +44,10 @@ func GetCurrentRecordFromTape(f *os.File) (int64, error) {
return pos.blkNo, nil
}
func GoToEndOfTape(f *os.File) error {
func GoToEndOfTape(fd uintptr) error {
if _, _, err := syscall.Syscall(
syscall.SYS_IOCTL,
f.Fd(),
fd,
mtioCtop,
uintptr(unsafe.Pointer(
&operation{
@@ -62,10 +61,10 @@ func GoToEndOfTape(f *os.File) error {
return nil
}
func GoToNextFileOnTape(f *os.File) error {
func GoToNextFileOnTape(fd uintptr) error {
if _, _, err := syscall.Syscall(
syscall.SYS_IOCTL,
f.Fd(),
fd,
mtioCtop,
uintptr(unsafe.Pointer(
&operation{
@@ -80,10 +79,10 @@ func GoToNextFileOnTape(f *os.File) error {
return nil
}
func EjectTape(f *os.File) error {
func EjectTape(fd uintptr) error {
if _, _, err := syscall.Syscall(
syscall.SYS_IOCTL,
f.Fd(),
fd,
mtioCtop,
uintptr(unsafe.Pointer(
&operation{
@@ -97,10 +96,10 @@ func EjectTape(f *os.File) error {
return nil
}
func SeekToRecordOnTape(f *os.File, record int32) error {
func SeekToRecordOnTape(fd uintptr, record int32) error {
if _, _, err := syscall.Syscall(
syscall.SYS_IOCTL,
f.Fd(),
fd,
mtioCtop,
uintptr(unsafe.Pointer(
&operation{

10
internal/mtio/mtio_stub.go
View File

@@ -8,22 +8,22 @@ import (
"github.com/pojntfx/stfs/pkg/config"
)
func GetCurrentRecordFromTape(f *os.File) (int64, error) {
func GetCurrentRecordFromTape(fd uintptr) (int64, error) {
return -1, config.ErrTapeDrivesUnsupported
}
func GoToEndOfTape(f *os.File) error {
func GoToEndOfTape(fd uintptr) error {
return config.ErrTapeDrivesUnsupported
}
func GoToNextFileOnTape(f *os.File) error {
func GoToNextFileOnTape(fd uintptr) error {
return config.ErrTapeDrivesUnsupported
}
func EjectTape(f *os.File) error {
func EjectTape(fd uintptr) error {
return config.ErrTapeDrivesUnsupported
}
func SeekToRecordOnTape(f *os.File, record int32) error {
func SeekToRecordOnTape(fd uintptr, record int32) error {
return config.ErrTapeDrivesUnsupported
}