| // |
| // Copyright (C) 2012 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. |
| // |
| |
| #ifndef UPDATE_ENGINE_PAYLOAD_GENERATOR_DELTA_DIFF_GENERATOR_H_ |
| #define UPDATE_ENGINE_PAYLOAD_GENERATOR_DELTA_DIFF_GENERATOR_H_ |
| |
| #include <string> |
| |
| #include "update_engine/payload_generator/payload_generation_config.h" |
| |
| namespace chromeos_update_engine { |
| |
| extern const size_t kBlockSize; |
| extern const size_t kRootFSPartitionSize; |
| |
| // The |config| describes the payload generation request, describing both |
| // old and new images for delta payloads and only the new image for full |
| // payloads. |
| // For delta payloads, the images should be already mounted read-only at |
| // the respective rootfs_mountpt. |
| // |private_key_path| points to a private key used to sign the update. |
| // Pass empty string to not sign the update. |
| // |output_path| is the filename where the delta update should be written. |
| // Returns true on success. Also writes the size of the metadata into |
| // |metadata_size|. |
| bool GenerateUpdatePayloadFile(const PayloadGenerationConfig& config, |
| const std::string& output_path, |
| const std::string& private_key_path, |
| uint64_t* metadata_size); |
| |
| |
| }; // namespace chromeos_update_engine |
| |
| #endif // UPDATE_ENGINE_PAYLOAD_GENERATOR_DELTA_DIFF_GENERATOR_H_ |