1 /*
2 **
3 ** Copyright 2008, The Android Open Source Project
4 **
5 ** Licensed under the Apache License, Version 2.0 (the "License");
6 ** you may not use this file except in compliance with the License.
7 ** You may obtain a copy of the License at
8 **
9 **     http://www.apache.org/licenses/LICENSE-2.0
10 **
11 ** Unless required by applicable law or agreed to in writing, software
12 ** distributed under the License is distributed on an "AS IS" BASIS,
13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 ** See the License for the specific language governing permissions and
15 ** limitations under the License.
16 */
17 
18 #ifndef INSTALLD_CONSTANTS_H_
19 #define INSTALLD_CONSTANTS_H_
20 
21 namespace android {
22 namespace installd {
23 
24 /* elements combined with a valid package name to form paths */
25 
26 constexpr const char* PRIMARY_USER_PREFIX = "data/";
27 constexpr const char* SECONDARY_USER_PREFIX = "user/";
28 
29 // This is used as a string literal, can't be constants. TODO: std::string...
30 #define DALVIK_CACHE "dalvik-cache"
31 constexpr const char* DALVIK_CACHE_POSTFIX = "@classes.dex";
32 
33 constexpr size_t PKG_NAME_MAX = 128u;   /* largest allowed package name */
34 constexpr size_t PKG_PATH_MAX = 1024u;  /* max size of any path we use */
35 
36 /****************************************************************************
37  * IMPORTANT: These values are passed from Java code. Keep them in sync with
38  * frameworks/base/services/core/java/com/android/server/pm/Installer.java
39  ***************************************************************************/
40 constexpr int DEXOPT_PUBLIC         = 1 << 1;
41 constexpr int DEXOPT_DEBUGGABLE     = 1 << 2;
42 constexpr int DEXOPT_BOOTCOMPLETE   = 1 << 3;
43 constexpr int DEXOPT_PROFILE_GUIDED = 1 << 4;
44 constexpr int DEXOPT_SECONDARY_DEX  = 1 << 5;
45 // DEXOPT_FORCE, DEXOPT_STORAGE_CE, DEXOPT_STORAGE_DE are exposed for secondary
46 // dex files only. Primary apks are analyzed in PackageManager and installd
47 // does not need to know if the compilation is forced or on what kind of storage
48 // the dex files are.
49 constexpr int DEXOPT_FORCE          = 1 << 6;
50 constexpr int DEXOPT_STORAGE_CE     = 1 << 7;
51 constexpr int DEXOPT_STORAGE_DE     = 1 << 8;
52 // Tells the compiler that it is invoked from the background service.  This
53 // controls whether extra debugging flags can be used (taking more compile time.)
54 constexpr int DEXOPT_IDLE_BACKGROUND_JOB = 1 << 9;
55 constexpr int DEXOPT_ENABLE_HIDDEN_API_CHECKS = 1 << 10;
56 constexpr int DEXOPT_GENERATE_COMPACT_DEX = 1 << 11;
57 constexpr int DEXOPT_GENERATE_APP_IMAGE = 1 << 12;
58 constexpr int DEXOPT_FOR_RESTORE = 1 << 13; // TODO(b/135202722): remove
59 
60 /* all known values for dexopt flags */
61 constexpr int DEXOPT_MASK =
62     DEXOPT_PUBLIC
63     | DEXOPT_DEBUGGABLE
64     | DEXOPT_BOOTCOMPLETE
65     | DEXOPT_PROFILE_GUIDED
66     | DEXOPT_SECONDARY_DEX
67     | DEXOPT_FORCE
68     | DEXOPT_STORAGE_CE
69     | DEXOPT_STORAGE_DE
70     | DEXOPT_IDLE_BACKGROUND_JOB
71     | DEXOPT_ENABLE_HIDDEN_API_CHECKS
72     | DEXOPT_GENERATE_COMPACT_DEX
73     | DEXOPT_GENERATE_APP_IMAGE
74     | DEXOPT_FOR_RESTORE;
75 
76 // NOTE: keep in sync with StorageManager
77 constexpr int FLAG_STORAGE_DE = 1 << 0;
78 constexpr int FLAG_STORAGE_CE = 1 << 1;
79 
80 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
81 
82 }  // namespace installd
83 }  // namespace android
84 
85 #endif  // INSTALLD_CONSTANTS_H_
86