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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // The main idea in Courgette is to do patching *under a tranformation*. The | 5 // The main idea in Courgette is to do patching *under a tranformation*. The |
6 // input is transformed into a new representation, patching occurs in the new | 6 // input is transformed into a new representation, patching occurs in the new |
7 // repesentation, and then the tranform is reversed to get the patched data. | 7 // repesentation, and then the tranform is reversed to get the patched data. |
8 // | 8 // |
9 // The idea is applied to pieces (or 'elements') of the whole (or 'ensemble'). | 9 // The idea is applied to pieces (or 'elements') of the whole (or 'ensemble'). |
10 // Each of the elements has to go through the same set of steps in lock-step. | 10 // Each of the elements has to go through the same set of steps in lock-step. |
11 | 11 |
12 // This file contains the code to create the patch. | 12 // This file contains the code to create the patch. |
13 | 13 |
14 | 14 |
15 #include "courgette/ensemble.h" | 15 #include "courgette/ensemble.h" |
16 | 16 |
| 17 #include <stddef.h> |
| 18 |
17 #include <limits> | 19 #include <limits> |
18 #include <vector> | 20 #include <vector> |
19 | 21 |
20 #include "base/basictypes.h" | |
21 #include "base/logging.h" | 22 #include "base/logging.h" |
22 #include "base/time/time.h" | 23 #include "base/time/time.h" |
23 | 24 |
24 #include "courgette/crc.h" | 25 #include "courgette/crc.h" |
25 #include "courgette/difference_estimator.h" | 26 #include "courgette/difference_estimator.h" |
26 #include "courgette/region.h" | 27 #include "courgette/region.h" |
27 #include "courgette/simple_delta.h" | 28 #include "courgette/simple_delta.h" |
28 #include "courgette/streams.h" | 29 #include "courgette/streams.h" |
29 #include "courgette/third_party/bsdiff.h" | 30 #include "courgette/third_party/bsdiff.h" |
30 | 31 |
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446 return C_STREAM_ERROR; | 447 return C_STREAM_ERROR; |
447 } | 448 } |
448 | 449 |
449 VLOG(1) << "done GenerateEnsemblePatch " | 450 VLOG(1) << "done GenerateEnsemblePatch " |
450 << (base::Time::Now() - start_time).InSecondsF() << "s"; | 451 << (base::Time::Now() - start_time).InSecondsF() << "s"; |
451 | 452 |
452 return C_OK; | 453 return C_OK; |
453 } | 454 } |
454 | 455 |
455 } // namespace | 456 } // namespace |
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