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/*
* Copyright (C)
2020 The Android Open Source Project
*
* Licensed under the Apache License, Version
2.
0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*
http://www.apache.org/licenses/LICENSE-2.
0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// If you change this file,
// Please update ota_metadata_pb2.py by executing
// protoc ota_metadata.proto --python_out
// $ANDROID_BUILD_TOP/build/tools/releasetools
syntax = "proto3";
package build.tools.releasetools;
option optimize_for = LITE_RUNTIME;
option java_package = "android.ota";
option java_outer_classname = "OtaPackageMetadata";
// The build information of a particular partition on the device.
message PartitionState {
string partition_name =
1;
repeated string device =
2;
repeated string build =
3;
// The version string of the partition. It's usually timestamp if present.
// One known exception is the boot image, who uses the kmi version, e.g.
//
5.
4.
42-android12-
0
string version =
4;
// TODO(xunchang), revisit other necessary fields, e.g. security_patch_level.
}
// The build information on the device. The bytes of the running images are thus
// inferred from the device state. For more information of the meaning of each
// subfield, check
//
https://source.android.com/compatibility/android-cdd#3_
2_
2_build_parameters
message DeviceState {
// device name. i.e. ro.product.device; if the field has multiple values, it
// means the ota package supports multiple devices. This usually happens when
// we use the same image to support multiple skus.
repeated string device =
1;
// device fingerprint. Up to R build, the value reads from
// ro.build.fingerprint.
repeated string build =
2;
// A value that specify a version of the android build.
string build_incremental =
3;
// The timestamp when the build is generated.
int64 timestamp =
4;
// The version of the currently-executing Android system.
string sdk_level =
5;
// A value indicating the security patch level of a build.
string security_patch_level =
6;
// The detailed state of each partition. For partial updates or devices with
// mixed build of partitions, some of the above fields may left empty. And the
// client will rely on the information of specific partitions to target the
// update.
repeated PartitionState partition_state =
7;
}
message ApexInfo {
string package_name =
1;
int64 version =
2;
bool is_compressed =
3;
int64 decompressed_size =
4;
// Used in OTA
int64 source_version =
5;
}
// Just a container to hold repeated apex_info, so that we can easily serialize
// a list of apex_info to string.
message ApexMetadata {
repeated ApexInfo apex_info =
1;
}
// The metadata of an OTA package. It contains the information of the package
// and prerequisite to install the update correctly.
message OtaMetadata {
enum OtaType {
UNKNOWN =
0;
AB =
1;
BLOCK =
2;
BRICK =
3;
};
OtaType type =
1;
// True if we need to wipe after the update.
bool wipe =
2;
// True if the timestamp of the post build is older than the pre build.
bool downgrade =
3;
// A map of name:content of property files, e.g. ota-property-files.
map<string, string> property_files =
4;
// The required device state in order to install the package.
DeviceState precondition =
5;
// The expected device state after the update.
DeviceState postcondition =
6;
// This was previously a boolean flag called retrofit_dynamic_partitions, but
// is no longer used or supported.
reserved
7;
// The required size of the cache partition, only valid for non-A/B update.
int64 required_cache =
8;
// True iff security patch level downgrade is permitted on this OTA.
bool spl_downgrade =
9;
}