aconfig: Cache flag values for rust codegen
Bug: b/307336730
Test: atest aconfig.test
Change-Id: I01741a4205cbe4e9b007f43b043505bcbcf05cd8
diff --git a/tools/aconfig/src/codegen_rust.rs b/tools/aconfig/src/codegen_rust.rs
index 4e4c7dd..78e62ba 100644
--- a/tools/aconfig/src/codegen_rust.rs
+++ b/tools/aconfig/src/codegen_rust.rs
@@ -32,10 +32,12 @@
{
let template_flags: Vec<TemplateParsedFlag> =
parsed_flags_iter.map(|pf| TemplateParsedFlag::new(package, pf)).collect();
+ let has_readwrite = template_flags.iter().any(|item| item.readwrite);
let context = TemplateContext {
package: package.to_string(),
template_flags,
modules: package.split('.').map(|s| s.to_string()).collect::<Vec<_>>(),
+ has_readwrite,
};
let mut template = TinyTemplate::new();
template.add_template(
@@ -55,6 +57,7 @@
pub package: String,
pub template_flags: Vec<TemplateParsedFlag>,
pub modules: Vec<String>,
+ pub has_readwrite: bool,
}
#[derive(Serialize)]
@@ -94,6 +97,20 @@
/// flag provider
pub struct FlagProvider;
+lazy_static::lazy_static! {
+ /// flag value cache for disabled_rw
+ static ref CACHED_disabled_rw: bool = flags_rust::GetServerConfigurableFlag(
+ "aconfig_flags.aconfig_test",
+ "com.android.aconfig.test.disabled_rw",
+ "false") == "true";
+
+ /// flag value cache for enabled_rw
+ static ref CACHED_enabled_rw: bool = flags_rust::GetServerConfigurableFlag(
+ "aconfig_flags.aconfig_test",
+ "com.android.aconfig.test.enabled_rw",
+ "true") == "true";
+}
+
impl FlagProvider {
/// query flag disabled_ro
pub fn disabled_ro(&self) -> bool {
@@ -102,10 +119,7 @@
/// query flag disabled_rw
pub fn disabled_rw(&self) -> bool {
- flags_rust::GetServerConfigurableFlag(
- "aconfig_flags.aconfig_test",
- "com.android.aconfig.test.disabled_rw",
- "false") == "true"
+ *CACHED_disabled_rw
}
/// query flag enabled_fixed_ro
@@ -120,10 +134,7 @@
/// query flag enabled_rw
pub fn enabled_rw(&self) -> bool {
- flags_rust::GetServerConfigurableFlag(
- "aconfig_flags.aconfig_test",
- "com.android.aconfig.test.enabled_rw",
- "true") == "true"
+ *CACHED_enabled_rw
}
}