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erasure: simplify XL backend operations (#4649) (#4758)

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This change provides new implementations of the XL backend operations:
 - create file
 - read   file
 - heal   file
Further this change adds table based tests for all three operations.

This affects also the bitrot algorithm integration. Algorithms are now
integrated in an idiomatic way (like crypto.Hash).
Fixes #4696
Fixes #4649
Fixes #4359
This commit is contained in:
Andreas Auernhammer
2017-08-14 18:08:42 -07:00
committed by Dee Koder
parent 617f2394fb
commit 85fcee1919
33 changed files with 1238 additions and 1863 deletions
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7
cmd/storage-rpc-client.go
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@@ -262,8 +262,7 @@ func (n *networkStorage) ReadFile(volume string, path string, offset int64, buff
}
// ReadFileWithVerify - reads a file at remote path and fills the buffer.
func (n *networkStorage) ReadFileWithVerify(volume string, path string, offset int64,
buffer []byte, algo HashAlgo, expectedHash string) (m int64, err error) {
func (n *networkStorage) ReadFileWithVerify(volume string, path string, offset int64, buffer []byte, verifier *BitrotVerifier) (m int64, err error) {
defer func() {
if r := recover(); r != nil {
@@ -279,8 +278,8 @@ func (n *networkStorage) ReadFileWithVerify(volume string, path string, offset i
Path: path,
Offset: offset,
Buffer: buffer,
Algo: algo,
ExpectedHash: expectedHash,
Algo: verifier.algorithm,
ExpectedHash: verifier.sum,
}, &result)
// Copy results to buffer.