//
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// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#ifndef UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_
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#define UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_
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#include <stdint.h>
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#include <limits>
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#include "update_engine/update_metadata.pb.h"
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namespace chromeos_update_engine {
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// The major version used by Chrome OS.
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extern const uint64_t kChromeOSMajorPayloadVersion;
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// The major version used by Brillo.
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extern const uint64_t kBrilloMajorPayloadVersion;
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// The minimum and maximum supported major version.
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extern const uint64_t kMinSupportedMajorPayloadVersion;
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extern const uint64_t kMaxSupportedMajorPayloadVersion;
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// The minor version used for all full payloads.
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extern const uint32_t kFullPayloadMinorVersion;
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// The minor version used by the in-place delta generator algorithm.
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extern const uint32_t kInPlaceMinorPayloadVersion;
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// The minor version used by the A to B delta generator algorithm.
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extern const uint32_t kSourceMinorPayloadVersion;
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// The minor version that allows per-operation source hash.
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extern const uint32_t kOpSrcHashMinorPayloadVersion;
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// The minor version that allows BROTLI_BSDIFF, ZERO and DISCARD operation.
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extern const uint32_t kBrotliBsdiffMinorPayloadVersion;
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// The minor version that allows PUFFDIFF operation.
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extern const uint32_t kPuffdiffMinorPayloadVersion;
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// The minor version that allows Verity hash tree and FEC generation.
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extern const uint32_t kVerityMinorPayloadVersion;
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// The minimum and maximum supported minor version.
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extern const uint32_t kMinSupportedMinorPayloadVersion;
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extern const uint32_t kMaxSupportedMinorPayloadVersion;
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// The maximum size of the payload header (anything before the protobuf).
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extern const uint64_t kMaxPayloadHeaderSize;
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// The kernel and rootfs partition names used by the BootControlInterface when
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// handling update payloads with a major version 1. The names of the updated
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// partitions are include in the payload itself for major version 2.
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extern const char kPartitionNameKernel[];
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extern const char kPartitionNameRoot[];
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extern const char kBspatchPath[];
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extern const char kDeltaMagic[4];
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// A block number denoting a hole on a sparse file. Used on Extents to refer to
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// section of blocks not present on disk on a sparse file.
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const uint64_t kSparseHole = std::numeric_limits<uint64_t>::max();
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// Return the name of the operation type.
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const char* InstallOperationTypeName(InstallOperation::Type op_type);
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_PAYLOAD_CONSUMER_PAYLOAD_CONSTANTS_H_
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