aconfig: add read/write permission
Introduce the concept of flag read/write permissions: a read-only flag
can only have its value set during the build; a writable flag can by
updated in runtime.
Bug: 279485059
Test: atest aconfig.test
Change-Id: I3ec5c9571faa54de5666120ccd60090d3db9e331
diff --git a/tools/aconfig/protos/aconfig.proto b/tools/aconfig/protos/aconfig.proto
index 65817ca..d95fd50 100644
--- a/tools/aconfig/protos/aconfig.proto
+++ b/tools/aconfig/protos/aconfig.proto
@@ -20,9 +20,15 @@
package android.aconfig;
+enum permission {
+ READ_ONLY = 1;
+ READ_WRITE = 2;
+}
+
message value {
required bool value = 1;
- optional uint32 since = 2;
+ required permission permission = 2;
+ optional uint32 since = 3;
}
message flag {
@@ -38,6 +44,7 @@
message override {
required string id = 1;
required bool value = 2;
+ required permission permission = 3;
};
message override_config {