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| 1 // Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_FULL_UPDATE_GENERATOR_H__ |
| 6 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_FULL_UPDATE_GENERATOR_H__ |
| 7 |
| 8 #include <glib.h> |
| 9 |
| 10 #include "update_engine/graph_types.h" |
| 11 |
| 12 namespace chromeos_update_engine { |
| 13 |
| 14 class FullUpdateGenerator { |
| 15 public: |
| 16 // Given a new rootfs and kernel (|new_image|, |new_kernel_part|), reads them |
| 17 // sequentially, creating a full update of chunk_size chunks. Populates |
| 18 // |graph|, |kernel_ops|, and |final_order|, with data about the update |
| 19 // operations, and writes relevant data to |fd|, updating |data_file_size| as |
| 20 // it does. Only the first |image_size| bytes are read from |new_image| |
| 21 // assuming that this is the actual file system. |
| 22 static bool Run( |
| 23 Graph* graph, |
| 24 const std::string& new_kernel_part, |
| 25 const std::string& new_image, |
| 26 off_t image_size, |
| 27 int fd, |
| 28 off_t* data_file_size, |
| 29 off_t chunk_size, |
| 30 off_t block_size, |
| 31 std::vector<DeltaArchiveManifest_InstallOperation>* kernel_ops, |
| 32 std::vector<Vertex::Index>* final_order); |
| 33 |
| 34 private: |
| 35 // This should never be constructed. |
| 36 DISALLOW_IMPLICIT_CONSTRUCTORS(FullUpdateGenerator); |
| 37 }; |
| 38 |
| 39 } // namespace chromeos_update_engine |
| 40 |
| 41 #endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_FULL_UPDATE_GENERATOR_H__ |
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