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mirror of https://github.com/octoleo/restic.git synced 2024-12-23 03:18:55 +00:00

Handle reads with large offsets

This commit is contained in:
Alexander Neumann 2016-07-29 20:55:09 +02:00
parent a9729eeb1b
commit 5afda94a3c

View File

@ -4,6 +4,7 @@
package fuse
import (
"errors"
"sync"
"restic"
@ -120,9 +121,16 @@ func (f *file) getBlobAt(i int) (blob []byte, err error) {
}
func (f *file) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
debug.Log("file.Read", "Read(%v), file size %v", req.Size, f.node.Size)
debug.Log("file.Read", "Read(%v, %v, %v), file size %v", f.node.Name, req.Size, req.Offset, f.node.Size)
offset := req.Offset
lastSize := f.sizes[len(f.sizes)-1]
if offset > int64(lastSize) {
debug.Log("file.Read", "Read(%v): offset is greater than file size: %v > %v, node size %v",
f.node.Name, req.Offset, lastSize, f.node.Size)
return errors.New("offset greater than files size")
}
// Skip blobs before the offset
startContent := 0
for offset > int64(f.sizes[startContent]) {