Add vabc_compression parameter to update_metadata
Test: treehugger
Change-Id: Icc65db9a7c4fbdf22376f9900016ae1b7058c611
diff --git a/payload_generator/cow_size_estimator.cc b/payload_generator/cow_size_estimator.cc
index 3eb0aca..f3f5264 100644
--- a/payload_generator/cow_size_estimator.cc
+++ b/payload_generator/cow_size_estimator.cc
@@ -16,12 +16,13 @@
#include "update_engine/payload_generator/cow_size_estimator.h"
+#include <string>
#include <utility>
#include <vector>
+#include <android-base/unique_fd.h>
#include <libsnapshot/cow_writer.h>
-#include "android-base/unique_fd.h"
#include "update_engine/common/cow_operation_convert.h"
#include "update_engine/payload_consumer/vabc_partition_writer.h"
#include "update_engine/update_metadata.pb.h"
@@ -64,9 +65,11 @@
const google::protobuf::RepeatedPtrField<InstallOperation>& operations,
const google::protobuf::RepeatedPtrField<CowMergeOperation>&
merge_operations,
- size_t block_size) {
+ size_t block_size,
+ std::string compression) {
android::snapshot::CowWriter cow_writer{
- {.block_size = static_cast<uint32_t>(block_size), .compression = "gz"}};
+ {.block_size = static_cast<uint32_t>(block_size),
+ .compression = std::move(compression)}};
// CowWriter treats -1 as special value, will discard all the data but still
// reports Cow size. Good for estimation purposes
cow_writer.Initialize(android::base::borrowed_fd{-1});
diff --git a/payload_generator/cow_size_estimator.h b/payload_generator/cow_size_estimator.h
index cba89b5..cad4bad 100644
--- a/payload_generator/cow_size_estimator.h
+++ b/payload_generator/cow_size_estimator.h
@@ -14,10 +14,12 @@
// limitations under the License.
//
#include <cstddef>
+#include <string>
#include <update_engine/update_metadata.pb.h>
#include "update_engine/payload_consumer/file_descriptor.h"
+#include "update_engine/payload_generator/delta_diff_generator.h"
namespace chromeos_update_engine {
// Given file descriptor to the source image, target image, and list of
@@ -31,6 +33,7 @@
const google::protobuf::RepeatedPtrField<InstallOperation>& operations,
const google::protobuf::RepeatedPtrField<CowMergeOperation>&
merge_operations,
- size_t block_size);
+ size_t block_size,
+ std::string compression);
} // namespace chromeos_update_engine
diff --git a/payload_generator/delta_diff_generator.cc b/payload_generator/delta_diff_generator.cc
index 74014d9..a43c782 100644
--- a/payload_generator/delta_diff_generator.cc
+++ b/payload_generator/delta_diff_generator.cc
@@ -132,11 +132,12 @@
*operations.Add() = aop.op;
}
*cow_size_ = EstimateCowSize(
- source_fd,
+ std::move(source_fd),
std::move(target_fd),
- operations,
+ std::move(operations),
{cow_merge_sequence_->begin(), cow_merge_sequence_->end()},
- config_.block_size);
+ config_.block_size,
+ config_.target.dynamic_partition_metadata->vabc_compression_param());
LOG(INFO) << "Estimated COW size for partition: " << new_part_.name << " "
<< *cow_size_;
}
diff --git a/payload_generator/payload_file.cc b/payload_generator/payload_file.cc
index 4334066..d303cfb 100644
--- a/payload_generator/payload_file.cc
+++ b/payload_generator/payload_file.cc
@@ -74,6 +74,8 @@
if (config.disable_vabc) {
manifest_.mutable_dynamic_partition_metadata()->set_vabc_enabled(false);
+ manifest_.mutable_dynamic_partition_metadata()->set_vabc_compression_param(
+ "");
}
if (config.is_partial_update) {
manifest_.set_partial_update(true);
diff --git a/payload_generator/payload_generation_config.cc b/payload_generator/payload_generation_config.cc
index f5a7062..73c9ab3 100644
--- a/payload_generator/payload_generation_config.cc
+++ b/payload_generator/payload_generation_config.cc
@@ -180,7 +180,10 @@
if (store.GetBoolean("virtual_ab_compression", &vabc_enabled)) {
metadata->set_vabc_enabled(vabc_enabled);
}
-
+ // We use "gz" compression by default for VABC.
+ if (metadata->vabc_enabled()) {
+ metadata->set_vabc_compression_param("gz");
+ }
dynamic_partition_metadata = std::move(metadata);
return true;
}
diff --git a/scripts/update_payload/update_metadata_pb2.py b/scripts/update_payload/update_metadata_pb2.py
index 1641229..9aef9f2 100644
--- a/scripts/update_payload/update_metadata_pb2.py
+++ b/scripts/update_payload/update_metadata_pb2.py
@@ -20,7 +20,7 @@
package='chromeos_update_engine',
syntax='proto2',
serialized_options=_b('H\003'),
- serialized_pb=_b('\n\x15update_metadata.proto\x12\x16\x63hromeos_update_engine\"1\n\x06\x45xtent\x12\x13\n\x0bstart_block\x18\x01 \x01(\x04\x12\x12\n\nnum_blocks\x18\x02 \x01(\x04\"\x9f\x01\n\nSignatures\x12@\n\nsignatures\x18\x01 \x03(\x0b\x32,.chromeos_update_engine.Signatures.Signature\x1aO\n\tSignature\x12\x13\n\x07version\x18\x01 \x01(\rB\x02\x18\x01\x12\x0c\n\x04\x64\x61ta\x18\x02 \x01(\x0c\x12\x1f\n\x17unpadded_signature_size\x18\x03 \x01(\x07\"+\n\rPartitionInfo\x12\x0c\n\x04size\x18\x01 \x01(\x04\x12\x0c\n\x04hash\x18\x02 \x01(\x0c\"\x8f\x01\n\tImageInfo\x12\x11\n\x05\x62oard\x18\x01 \x01(\tB\x02\x18\x01\x12\x0f\n\x03key\x18\x02 \x01(\tB\x02\x18\x01\x12\x13\n\x07\x63hannel\x18\x03 \x01(\tB\x02\x18\x01\x12\x13\n\x07version\x18\x04 \x01(\tB\x02\x18\x01\x12\x19\n\rbuild_channel\x18\x05 \x01(\tB\x02\x18\x01\x12\x19\n\rbuild_version\x18\x06 \x01(\tB\x02\x18\x01\"\xee\x03\n\x10InstallOperation\x12;\n\x04type\x18\x01 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+ serialized_pb=_b('\n\x15update_metadata.proto\x12\x16\x63hromeos_update_engine\"1\n\x06\x45xtent\x12\x13\n\x0bstart_block\x18\x01 \x01(\x04\x12\x12\n\nnum_blocks\x18\x02 \x01(\x04\"\x9f\x01\n\nSignatures\x12@\n\nsignatures\x18\x01 \x03(\x0b\x32,.chromeos_update_engine.Signatures.Signature\x1aO\n\tSignature\x12\x13\n\x07version\x18\x01 \x01(\rB\x02\x18\x01\x12\x0c\n\x04\x64\x61ta\x18\x02 \x01(\x0c\x12\x1f\n\x17unpadded_signature_size\x18\x03 \x01(\x07\"+\n\rPartitionInfo\x12\x0c\n\x04size\x18\x01 \x01(\x04\x12\x0c\n\x04hash\x18\x02 \x01(\x0c\"\x8f\x01\n\tImageInfo\x12\x11\n\x05\x62oard\x18\x01 \x01(\tB\x02\x18\x01\x12\x0f\n\x03key\x18\x02 \x01(\tB\x02\x18\x01\x12\x13\n\x07\x63hannel\x18\x03 \x01(\tB\x02\x18\x01\x12\x13\n\x07version\x18\x04 \x01(\tB\x02\x18\x01\x12\x19\n\rbuild_channel\x18\x05 \x01(\tB\x02\x18\x01\x12\x19\n\rbuild_version\x18\x06 \x01(\tB\x02\x18\x01\"\xee\x03\n\x10InstallOperation\x12;\n\x04type\x18\x01 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)
@@ -683,6 +683,13 @@
message_type=None, enum_type=None, containing_type=None,
is_extension=False, extension_scope=None,
serialized_options=None, file=DESCRIPTOR),
+ _descriptor.FieldDescriptor(
+ name='vabc_compression_param', full_name='chromeos_update_engine.DynamicPartitionMetadata.vabc_compression_param', index=3,
+ number=4, type=9, cpp_type=9, label=1,
+ has_default_value=False, default_value=_b("").decode('utf-8'),
+ message_type=None, enum_type=None, containing_type=None,
+ is_extension=False, extension_scope=None,
+ serialized_options=None, file=DESCRIPTOR),
],
extensions=[
],
@@ -696,7 +703,7 @@
oneofs=[
],
serialized_start=2082,
- serialized_end=2219,
+ serialized_end=2251,
)
@@ -747,8 +754,8 @@
extension_ranges=[],
oneofs=[
],
- serialized_start=2221,
- serialized_end=2320,
+ serialized_start=2253,
+ serialized_end=2352,
)
@@ -778,8 +785,8 @@
extension_ranges=[],
oneofs=[
],
- serialized_start=2322,
- serialized_end=2389,
+ serialized_start=2354,
+ serialized_end=2421,
)
@@ -921,8 +928,8 @@
extension_ranges=[],
oneofs=[
],
- serialized_start=2392,
- serialized_end=3318,
+ serialized_start=2424,
+ serialized_end=3350,
)
_SIGNATURES_SIGNATURE.containing_type = _SIGNATURES
diff --git a/update_metadata.proto b/update_metadata.proto
index a1f093c..bc9e34a 100644
--- a/update_metadata.proto
+++ b/update_metadata.proto
@@ -354,6 +354,11 @@
// supports it, but not guaranteed.
// VABC stands for Virtual AB Compression
optional bool vabc_enabled = 3;
+
+ // The compression algorithm used by VABC. Available ones are "gz", "brotli".
+ // See system/core/fs_mgr/libsnapshot/cow_writer.cpp for available options,
+ // as this parameter is ultimated forwarded to libsnapshot's CowWriter
+ optional string vabc_compression_param = 4;
}
// Definition has been duplicated from