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_DEPS_H_
19 #define INSTALLD_DEPS_H_
20 
21 #include <inttypes.h>
22 
23 #include <installd_constants.h>
24 
25 namespace android {
26 namespace installd {
27 
28 // Dependencies for a full binary. These functions need to be provided to
29 // figure out parts of the configuration.
30 
31 // Retrieve a system property. Same API as cutils, just renamed.
32 extern int get_property(const char *key,
33                         char *value,
34                         const char *default_value);
35 // Size constants. Should be checked to be equal to the cutils requirements.
36 constexpr size_t kPropertyKeyMax = 32u;
37 constexpr size_t kPropertyValueMax = 92u;
38 
39 // Compute the output path for dex2oat.
40 extern bool calculate_oat_file_path(char path[PKG_PATH_MAX],
41                                     const char *oat_dir,
42                                     const char *apk_path,
43                                     const char *instruction_set);
44 // Compute the output path for patchoat.
45 //
46 // Computes the odex file for the given apk_path and instruction_set, e.g.,
47 // /system/framework/whatever.jar -> /system/framework/oat/<isa>/whatever.odex
48 //
49 // Returns false if it failed to determine the odex file path.
50 //
51 extern bool calculate_odex_file_path(char path[PKG_PATH_MAX],
52                                      const char *apk_path,
53                                      const char *instruction_set);
54 
55 // Compute the output path into the dalvik cache.
56 extern bool create_cache_path(char path[PKG_PATH_MAX],
57                               const char *src,
58                               const char *instruction_set);
59 
60 // Initialize globals. May be implemented with the helper in globals.h.
61 extern bool initialize_globals();
62 
63 }  // namespace installd
64 }  // namespace android
65 
66 #endif  // INSTALLD_DEPS_H_
67