seaweedfs/weed/storage/backend/disk_file.go

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package backend
import (
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"github.com/seaweedfs/seaweedfs/weed/glog"
. "github.com/seaweedfs/seaweedfs/weed/storage/types"
Revert "Refactor for Sync method (#3426)" This reverts commit 670cb759f82815461bc854569542582da51a6199. with the pr weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 18.486s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.025s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.864s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.110s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.414s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.203s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files] weed/storage () - (master) > weed/storage () - (master) > without the pr weed/storage () - (master) > weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 1.617s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.026s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.906s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.202s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.533s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.280s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files]
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"os"
"runtime"
Revert "Refactor for Sync method (#3426)" This reverts commit 670cb759f82815461bc854569542582da51a6199. with the pr weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 18.486s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.025s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.864s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.110s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.414s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.203s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files] weed/storage () - (master) > weed/storage () - (master) > without the pr weed/storage () - (master) > weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 1.617s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.026s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.906s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.202s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.533s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.280s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files]
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"time"
)
var (
_ BackendStorageFile = &DiskFile{}
)
const isMac = runtime.GOOS == "darwin"
type DiskFile struct {
File *os.File
fullFilePath string
fileSize int64
modTime time.Time
}
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func NewDiskFile(f *os.File) *DiskFile {
stat, err := f.Stat()
if err != nil {
glog.Fatalf("stat file %s: %v", f.Name(), err)
}
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offset := stat.Size()
if offset%NeedlePaddingSize != 0 {
offset = offset + (NeedlePaddingSize - offset%NeedlePaddingSize)
}
return &DiskFile{
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fullFilePath: f.Name(),
File: f,
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fileSize: offset,
modTime: stat.ModTime(),
}
}
func (df *DiskFile) ReadAt(p []byte, off int64) (n int, err error) {
if df.File == nil {
return 0, os.ErrClosed
}
return df.File.ReadAt(p, off)
}
func (df *DiskFile) WriteAt(p []byte, off int64) (n int, err error) {
if df.File == nil {
return 0, os.ErrClosed
}
n, err = df.File.WriteAt(p, off)
if err == nil {
waterMark := off + int64(n)
if waterMark > df.fileSize {
df.fileSize = waterMark
df.modTime = time.Now()
}
}
return
}
func (df *DiskFile) Write(p []byte) (n int, err error) {
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return df.WriteAt(p, df.fileSize)
}
func (df *DiskFile) Truncate(off int64) error {
if df.File == nil {
return os.ErrClosed
}
err := df.File.Truncate(off)
if err == nil {
df.fileSize = off
df.modTime = time.Now()
}
return err
}
func (df *DiskFile) Close() error {
if df.File == nil {
return nil
}
if err := df.Sync(); err != nil {
return err
}
if err := df.File.Close(); err != nil {
return err
}
df.File = nil
return nil
}
func (df *DiskFile) GetStat() (datSize int64, modTime time.Time, err error) {
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if df.File == nil {
err = os.ErrClosed
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}
return df.fileSize, df.modTime, err
}
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func (df *DiskFile) Name() string {
return df.fullFilePath
}
Revert "Refactor for Sync method (#3426)" This reverts commit 670cb759f82815461bc854569542582da51a6199. with the pr weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 18.486s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.025s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.864s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.110s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.414s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.203s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files] weed/storage () - (master) > weed/storage () - (master) > without the pr weed/storage () - (master) > weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 1.617s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.026s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.906s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.202s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.533s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.280s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files]
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func (df *DiskFile) Sync() error {
if df.File == nil {
return os.ErrClosed
}
if isMac {
return nil
}
return df.File.Sync()
Revert "Refactor for Sync method (#3426)" This reverts commit 670cb759f82815461bc854569542582da51a6199. with the pr weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 18.486s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.025s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.864s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.110s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.414s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.203s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files] weed/storage () - (master) > weed/storage () - (master) > without the pr weed/storage () - (master) > weed/storage () - (master) > go test -count=1 ./... ok github.com/seaweedfs/seaweedfs/weed/storage 1.617s ? github.com/seaweedfs/seaweedfs/weed/storage/backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/backend/memory_map 0.026s ? github.com/seaweedfs/seaweedfs/weed/storage/backend/s3_backend [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/erasure_coding 0.906s ? github.com/seaweedfs/seaweedfs/weed/storage/idx [no test files] ok github.com/seaweedfs/seaweedfs/weed/storage/needle 0.202s ok github.com/seaweedfs/seaweedfs/weed/storage/needle_map 24.533s ok github.com/seaweedfs/seaweedfs/weed/storage/super_block 0.280s ? github.com/seaweedfs/seaweedfs/weed/storage/types [no test files] ? github.com/seaweedfs/seaweedfs/weed/storage/volume_info [no test files]
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}