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In addition to SOURCE_COPY, now SOURCE_BSDIFF, BROTLI_BSDIFF and
PUFFDIFF will also recover source hash failures using error correction
data.
Bug: 34284069
Test: update_engine_unittests
Change-Id: I536d0675e3550aa142b77b4c8bf0a9f70a789652
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This patch moves DeltaPerformer::CalculateAndValidateHash to
fd_utils::ReadAndHashExtents and cleans up the code. It also adds
unittests for ReadAndHashExtents.
Bug: None
Test: unittest pass
Change-Id: I297cf79ef38a7495d5bcc0e6516a1ca783e505ea
Signed-off-by: Amin Hassani <ahassani@google.com>
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Updates CopyAndHashExtents to use the new ExtentReader.
Adds CalculateAndValidatffeSourceHash() to DeltaPerformer to be used in both
SOURCE_BSDIFF and PUFFDIFF.
BUG=chromium:761138
TEST=FEATURES="test" emerge-amd64-generic update_engine; brillo_update_payload verify
Change-Id: I2e0c10fe0078c5a1ab4cd646a91d42893b6b691b
Reviewed-on: https://chromium-review.googlesource.com/653478
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
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Adds fcntl.h for using O_RDWR in file_descriptor_utils_unittest.cc.
Reorders includes in file_descriptor_utils_unittest.cc to the proper
code style.
Fixed some nits.
BUG=b:34284069
TEST=FEATURES="test" emerge-amd64-generic update_engine
Change-Id: Ib79b6cfd5ef0c0393373a017b6fb05b3c1b958ef
Reviewed-on: https://chromium-review.googlesource.com/641959
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
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The SOURCE_COPY operation used to copy the source blocks one by one to
the target partition. This process is sub-optimal if there are several
consecutive blocks. This patch moves this copy and hash logic to a new
file and adds several unittests for it. The new logic copies in chunks
of up to 1MiB when the source and target data is contiguous.
BUG=b:34284069
TEST=Added unittests.
Change-Id: I9ed52b429a54a2b4d6edaba051284b7dcd8a9525
(cherry picked from commit a48f630400429ca010c5462967607985f2ffa7e4)
Reviewed-on: https://chromium-review.googlesource.com/641958
Commit-Ready: Amin Hassani <ahassani@chromium.org>
Tested-by: Amin Hassani <ahassani@chromium.org>
Reviewed-by: Ben Chan <benchan@chromium.org>
Reviewed-by: Sen Jiang <senj@chromium.org>
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