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1 //
2 // Copyright (C) 2014 The Android Open Source Project
3 //
4 // Licensed under the Apache License, Version 2.0 (the "License");
5 // you may not use this file except in compliance with the License.
6 // You may obtain a copy of the License at
7 //
8 //      http://www.apache.org/licenses/LICENSE-2.0
9 //
10 // Unless required by applicable law or agreed to in writing, software
11 // distributed under the License is distributed on an "AS IS" BASIS,
12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 // See the License for the specific language governing permissions and
14 // limitations under the License.
15 //
16 
17 #include "update_engine/payload_consumer/payload_constants.h"
18 
19 #include <base/logging.h>
20 
21 namespace chromeos_update_engine {
22 
23 // const uint64_t kChromeOSMajorPayloadVersion = 1;  DEPRECATED
24 const uint64_t kBrilloMajorPayloadVersion = 2;
25 
26 const uint64_t kMinSupportedMajorPayloadVersion = kBrilloMajorPayloadVersion;
27 const uint64_t kMaxSupportedMajorPayloadVersion = kBrilloMajorPayloadVersion;
28 
29 const uint32_t kFullPayloadMinorVersion = 0;
30 // const uint32_t kInPlaceMinorPayloadVersion = 1;  DEPRECATED
31 const uint32_t kSourceMinorPayloadVersion = 2;
32 const uint32_t kOpSrcHashMinorPayloadVersion = 3;
33 const uint32_t kBrotliBsdiffMinorPayloadVersion = 4;
34 const uint32_t kPuffdiffMinorPayloadVersion = 5;
35 const uint32_t kVerityMinorPayloadVersion = 6;
36 const uint32_t kPartialUpdateMinorPayloadVersion = 7;
37 const uint32_t kZucchiniMinorPayloadVersion = 8;
38 
39 const uint32_t kMinSupportedMinorPayloadVersion = kSourceMinorPayloadVersion;
40 const uint32_t kMaxSupportedMinorPayloadVersion = kLZ4DIFFMinorPayloadVersion;
41 
42 const uint64_t kMaxPayloadHeaderSize = 24;
43 
44 const char kPartitionNameKernel[] = "kernel";
45 const char kPartitionNameRoot[] = "root";
46 
47 const char kDeltaMagic[4] = {'C', 'r', 'A', 'U'};
48 
InstallOperationTypeName(InstallOperation::Type op_type)49 const char* InstallOperationTypeName(InstallOperation::Type op_type) {
50   switch (op_type) {
51     case InstallOperation::REPLACE:
52       return "REPLACE";
53     case InstallOperation::REPLACE_BZ:
54       return "REPLACE_BZ";
55     case InstallOperation::SOURCE_COPY:
56       return "SOURCE_COPY";
57     case InstallOperation::SOURCE_BSDIFF:
58       return "SOURCE_BSDIFF";
59     case InstallOperation::ZERO:
60       return "ZERO";
61     case InstallOperation::DISCARD:
62       return "DISCARD";
63     case InstallOperation::REPLACE_XZ:
64       return "REPLACE_XZ";
65     case InstallOperation::PUFFDIFF:
66       return "PUFFDIFF";
67     case InstallOperation::BROTLI_BSDIFF:
68       return "BROTLI_BSDIFF";
69     case InstallOperation::ZUCCHINI:
70       return "ZUCCHINI";
71     case InstallOperation::LZ4DIFF_BSDIFF:
72       return "LZ4DIFF_BSDIFF";
73     case InstallOperation::LZ4DIFF_PUFFDIFF:
74       return "LZ4DIFF_PUFFIDFF";
75     case InstallOperation::BSDIFF:
76     case InstallOperation::MOVE:
77       NOTREACHED();
78   }
79   return "<unknown_op>";
80 }
81 
82 };  // namespace chromeos_update_engine
83