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Send length instead of empty buffer for ReadFile() (#6414)

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This commit is contained in:
Krishna Srinivas 2018-09-04 23:22:05 -07:00 committed by Harshavardhana
parent 9e32cc283f
commit 81b7e5c7a8
2 changed files with 5 additions and 4 deletions
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2
cmd/storage-rpc-client.go
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@ -227,7 +227,7 @@ func (client *StorageRPCClient) ReadFile(volume string, path string, offset int6
Vol: volume,
Path: path,
Offset: offset,
Buffer: buffer,
Length: int64(len(buffer)),
Verified: true, // mark read as verified by default
}
if verifier != nil {

7
cmd/storage-rpc-server.go
View File

@ -127,7 +127,7 @@ type ReadFileArgs struct {
Vol string
Path string
Offset int64
Buffer []byte
Length int64
Algo BitrotAlgorithm
ExpectedHash []byte
Verified bool
@ -140,13 +140,14 @@ func (receiver *storageRPCReceiver) ReadFile(args *ReadFileArgs, reply *[]byte)
verifier = NewBitrotVerifier(args.Algo, args.ExpectedHash)
}
n, err := receiver.local.ReadFile(args.Vol, args.Path, args.Offset, args.Buffer, verifier)
buf := make([]byte, args.Length)
n, err := receiver.local.ReadFile(args.Vol, args.Path, args.Offset, buf, verifier)
// Ignore io.ErrEnexpectedEOF for short reads i.e. less content available than requested.
if err == io.ErrUnexpectedEOF {
err = nil
}
*reply = args.Buffer[0:n]
*reply = buf[0:n]
return err
}