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 namespace chromeos_update_engine {
20 
21 const uint64_t kChromeOSMajorPayloadVersion = 1;
22 const uint64_t kBrilloMajorPayloadVersion = 2;
23 
24 const uint32_t kFullPayloadMinorVersion = 0;
25 const uint32_t kInPlaceMinorPayloadVersion = 1;
26 const uint32_t kSourceMinorPayloadVersion = 2;
27 const uint32_t kOpSrcHashMinorPayloadVersion = 3;
28 const uint32_t kImgdiffMinorPayloadVersion = 4;
29 
30 const char kLegacyPartitionNameKernel[] = "boot";
31 const char kLegacyPartitionNameRoot[] = "system";
32 
33 const char kDeltaMagic[4] = {'C', 'r', 'A', 'U'};
34 const char kBspatchPath[] = "bspatch";
35 
36 // The zlib in Android and Chrome OS are currently compatible with each other,
37 // so they are sharing the same array, but if in the future they are no longer
38 // compatible with each other, we coule make the same change on the other one to
39 // make them compatible again or use ifdef here.
40 const char kCompatibleZlibFingerprint[][65] = {
41     "ea973605ccbbdb24f59f449c5f65861a1a9bc7a4353377aaaa06cb3e0f1cfbd7",
42     "3747fa404cceb00a5ec3606fc779510aaa784d5864ab1d5c28b9e267c40aad5c",
43 };
44 
InstallOperationTypeName(InstallOperation_Type op_type)45 const char* InstallOperationTypeName(InstallOperation_Type op_type) {
46   switch (op_type) {
47     case InstallOperation::BSDIFF:
48       return "BSDIFF";
49     case InstallOperation::MOVE:
50       return "MOVE";
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::IMGDIFF:
66       return "IMGDIFF";
67   }
68   return "<unknown_op>";
69 }
70 
71 };  // namespace chromeos_update_engine
72