2007-12-05 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

	Enable direct I/O support in checksum checking.
	* src/IteratableChunkChecksumValidator.{h, cc}
	* test/IteratableChunkChecksumValidatorTest.cc
	* src/CheckIntegrityEntry.cc
	* src/PieceHashCheckIntegrityEntry.cc
	* src/IteratableChecksumValidator.{h, cc}
	* src/BtCheckIntegrityEntry.cc: Added doc.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/IteratableChunkChecksumValidator.h b/src/IteratableChunkChecksumValidator.h
index b8de18f7..0ec824c5 100644
--- a/src/IteratableChunkChecksumValidator.h
+++ b/src/IteratableChunkChecksumValidator.h
@@ -43,6 +43,8 @@ class PieceStorage;
 typedef SharedHandle<PieceStorage> PieceStorageHandle;
 class BitfieldMan;
 class Logger;
+class MessageDigestContext;
+typedef SharedHandle<MessageDigestContext> MessageDigestContextHandle;
 
 class IteratableChunkChecksumValidator:public IteratableValidator
 {
@@ -52,8 +54,13 @@ private:
   BitfieldMan* _bitfield;
   uint32_t _currentIndex;
   const Logger* _logger;
+  MessageDigestContextHandle _ctx;
+  unsigned char* _buffer;
 
   string calculateActualChecksum();
+
+  string digest(int64_t offset, int32_t length);
+
 public:
   IteratableChunkChecksumValidator(const DownloadContextHandle& dctx,
 				   const PieceStorageHandle& pieceStorage);