Add XorExtentWriter
This class is built on top of BlockExtentWriter(block aligned writer)
and ExtentMap. It will look at the extent map, convert blocks in the
extent map to XOR type, and convert everythign else to COW_REPLACE.
Test: th
Bug: 177104308
Change-Id: I6f9df83ed09f1c5a6aae9f266412132b002acd29
diff --git a/payload_consumer/block_extent_writer.h b/payload_consumer/block_extent_writer.h
index 7c90459..f9c7b15 100644
--- a/payload_consumer/block_extent_writer.h
+++ b/payload_consumer/block_extent_writer.h
@@ -41,6 +41,7 @@
virtual bool WriteExtent(const void* bytes,
const Extent& extent,
size_t block_size) = 0;
+ size_t BlockSize() const { return block_size_; }
private:
bool NextExtent();