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swarm/storage: more error logging for Read and ReadAt

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This commit is contained in:
Anton Evangelatov 2018-04-22 13:10:08 +02:00
parent 726ab4893b
commit 09713314c7
1 changed files with 7 additions and 1 deletions
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8
swarm/storage/chunker.go
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@ -393,7 +393,7 @@ type LazyChunkReader struct {
}
// implements the Joiner interface
func (self *TreeChunker) Join() LazySectionReader {
func (self *TreeChunker) Join() *LazyChunkReader {
return &LazyChunkReader{
key: self.key,
chunkSize: self.chunkSize,
@ -436,6 +436,7 @@ func (self *LazyChunkReader) ReadAt(b []byte, off int64) (read int, err error) {
quitC := make(chan bool)
size, err := self.Size(quitC)
if err != nil {
log.Error("lazychunkreader.readat.size", "size", size, "err", err)
return 0, err
}
@ -464,6 +465,7 @@ func (self *LazyChunkReader) ReadAt(b []byte, off int64) (read int, err error) {
err = <-errC
if err != nil {
log.Error("lazychunkreader.readat.errc", "err", err)
close(quitC)
return 0, err
}
@ -517,6 +519,7 @@ func (self *LazyChunkReader) join(b []byte, off int64, eoff int64, depth int, tr
childKey := chunkData[8+j*self.hashSize : 8+(j+1)*self.hashSize]
chunkData, err := self.getter.Get(Reference(childKey))
if err != nil {
log.Error("lazychunkreader.join", "key", childKey, "err", err)
select {
case errC <- fmt.Errorf("chunk %v-%v not found", off, off+treeSize):
case <-quitC:
@ -535,6 +538,9 @@ func (self *LazyChunkReader) join(b []byte, off int64, eoff int64, depth int, tr
func (self *LazyChunkReader) Read(b []byte) (read int, err error) {
log.Debug("lazychunkreader.read", "key", self.key)
read, err = self.ReadAt(b, self.off)
if err != nil {
log.Error("lazychunkreader.readat", "read", read, "err", err)
}
self.off += int64(read)
return