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Diffstat (limited to 'weed/filesys/page_writer.go')
-rw-r--r--weed/filesys/page_writer.go98
1 files changed, 0 insertions, 98 deletions
diff --git a/weed/filesys/page_writer.go b/weed/filesys/page_writer.go
deleted file mode 100644
index b8e884f58..000000000
--- a/weed/filesys/page_writer.go
+++ /dev/null
@@ -1,98 +0,0 @@
-package filesys
-
-import (
- "github.com/chrislusf/seaweedfs/weed/filesys/page_writer"
- "github.com/chrislusf/seaweedfs/weed/glog"
-)
-
-type PageWriter struct {
- fh *FileHandle
- collection string
- replication string
- chunkSize int64
- writerPattern *WriterPattern
-
- randomWriter page_writer.DirtyPages
-}
-
-var (
- _ = page_writer.DirtyPages(&PageWriter{})
-)
-
-func newPageWriter(fh *FileHandle, chunkSize int64) *PageWriter {
- pw := &PageWriter{
- fh: fh,
- chunkSize: chunkSize,
- writerPattern: NewWriterPattern(chunkSize),
- randomWriter: newMemoryChunkPages(fh, chunkSize),
- // randomWriter: newTempFileDirtyPages(fh.f, chunkSize),
- }
- return pw
-}
-
-func (pw *PageWriter) AddPage(offset int64, data []byte) {
-
- glog.V(4).Infof("%v AddPage [%d, %d) streaming:%v", pw.fh.f.fullpath(), offset, offset+int64(len(data)), pw.writerPattern.IsStreamingMode())
-
- chunkIndex := offset / pw.chunkSize
- for i := chunkIndex; len(data) > 0; i++ {
- writeSize := min(int64(len(data)), (i+1)*pw.chunkSize-offset)
- pw.addToOneChunk(i, offset, data[:writeSize])
- offset += writeSize
- data = data[writeSize:]
- }
-}
-
-func (pw *PageWriter) addToOneChunk(chunkIndex, offset int64, data []byte) {
- pw.randomWriter.AddPage(offset, data)
-}
-
-func (pw *PageWriter) FlushData() error {
- pw.writerPattern.Reset()
- return pw.randomWriter.FlushData()
-}
-
-func (pw *PageWriter) ReadDirtyDataAt(data []byte, offset int64) (maxStop int64) {
- glog.V(4).Infof("ReadDirtyDataAt %v [%d, %d)", pw.fh.f.fullpath(), offset, offset+int64(len(data)))
-
- chunkIndex := offset / pw.chunkSize
- for i := chunkIndex; len(data) > 0; i++ {
- readSize := min(int64(len(data)), (i+1)*pw.chunkSize-offset)
-
- maxStop = pw.randomWriter.ReadDirtyDataAt(data[:readSize], offset)
-
- offset += readSize
- data = data[readSize:]
- }
-
- return
-}
-
-func (pw *PageWriter) GetStorageOptions() (collection, replication string) {
- return pw.randomWriter.GetStorageOptions()
-}
-
-func (pw *PageWriter) LockForRead(startOffset, stopOffset int64) {
- pw.randomWriter.LockForRead(startOffset, stopOffset)
-}
-
-func (pw *PageWriter) UnlockForRead(startOffset, stopOffset int64) {
- pw.randomWriter.UnlockForRead(startOffset, stopOffset)
-}
-
-func (pw *PageWriter) Destroy() {
- pw.randomWriter.Destroy()
-}
-
-func max(x, y int64) int64 {
- if x > y {
- return x
- }
- return y
-}
-func min(x, y int64) int64 {
- if x < y {
- return x
- }
- return y
-}