Merge "Revert^2 "Cache Java codegen'd flags in static member variables."" into main (ca355c09) · Commits · e / os / android_build

tools/aconfig/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ rust_defaults {
		"libaconfig_protos",
		"libanyhow",
		"libclap",
		"libitertools",
		"libprotobuf",
		"libserde",
		"libserde_json",

tools/aconfig/Cargo.toml

+1 −0

Original line number	Diff line number	Diff line
		@@ -11,6 +11,7 @@ cargo = []
		[dependencies]
		anyhow = "1.0.69"
		clap = { version = "4.1.8", features = ["derive"] }
		itertools = "0.10.5"
		paste = "1.0.11"
		protobuf = "3.2.0"
		serde = { version = "1.0.152", features = ["derive"] }

tools/aconfig/src/codegen_cpp.rs

+73 −7

Original line number	Diff line number	Diff line
		@@ -32,8 +32,9 @@ where
		I: Iterator<Item = &'a ProtoParsedFlag>,
		{
		let mut readwrite_count = 0;
		let class_elements: Vec<ClassElement> =
		parsed_flags_iter.map(\|pf\| create_class_element(package, pf, &mut readwrite_count)).collect();
		let class_elements: Vec<ClassElement> = parsed_flags_iter
		.map(\|pf\| create_class_element(package, pf, &mut readwrite_count))
		.collect();
		let readwrite = readwrite_count > 0;
		let has_fixed_read_only = class_elements.iter().any(\|item\| item.is_fixed_read_only);
		let header = package.replace('.', "_");
		@@ -110,7 +111,9 @@ pub struct ClassElement {
		fn create_class_element(package: &str, pf: &ProtoParsedFlag, rw_count: &mut i32) -> ClassElement {
		ClassElement {
		readwrite_idx: if pf.permission() == ProtoFlagPermission::READ_WRITE {
		let index = rw_count; rw_count += 1; index
		let index = *rw_count;
		*rw_count += 1;
		index
		} else {
		-1
		},
		@@ -162,6 +165,8 @@ public:

		virtual bool disabled_rw() = 0;

		virtual bool disabled_rw_2() = 0;

		virtual bool enabled_fixed_ro() = 0;

		virtual bool enabled_ro() = 0;
		@@ -179,6 +184,10 @@ inline bool disabled_rw() {
		return provider_->disabled_rw();
		}

		inline bool disabled_rw_2() {
		return provider_->disabled_rw_2();
		}

		inline bool enabled_fixed_ro() {
		return COM_ANDROID_ACONFIG_TEST_ENABLED_FIXED_RO;
		}
		@@ -200,6 +209,8 @@ bool com_android_aconfig_test_disabled_ro();

		bool com_android_aconfig_test_disabled_rw();

		bool com_android_aconfig_test_disabled_rw_2();

		bool com_android_aconfig_test_enabled_fixed_ro();

		bool com_android_aconfig_test_enabled_ro();
		@@ -233,6 +244,10 @@ public:

		virtual void disabled_rw(bool val) = 0;

		virtual bool disabled_rw_2() = 0;

		virtual void disabled_rw_2(bool val) = 0;

		virtual bool enabled_fixed_ro() = 0;

		virtual void enabled_fixed_ro(bool val) = 0;
		@@ -266,6 +281,14 @@ inline void disabled_rw(bool val) {
		provider_->disabled_rw(val);
		}

		inline bool disabled_rw_2() {
		return provider_->disabled_rw_2();
		}

		inline void disabled_rw_2(bool val) {
		provider_->disabled_rw_2(val);
		}

		inline bool enabled_fixed_ro() {
		return provider_->enabled_fixed_ro();
		}
		@@ -307,6 +330,10 @@ bool com_android_aconfig_test_disabled_rw();

		void set_com_android_aconfig_test_disabled_rw(bool val);

		bool com_android_aconfig_test_disabled_rw_2();

		void set_com_android_aconfig_test_disabled_rw_2(bool val);

		bool com_android_aconfig_test_enabled_fixed_ro();

		void set_com_android_aconfig_test_enabled_fixed_ro(bool val);
		@@ -352,6 +379,16 @@ namespace com::android::aconfig::test {
		return cache_[0];
		}

		virtual bool disabled_rw_2() override {
		if (cache_[1] == -1) {
		cache_[1] = server_configurable_flags::GetServerConfigurableFlag(
		"aconfig_flags.other_namespace",
		"com.android.aconfig.test.disabled_rw_2",
		"false") == "true";
		}
		return cache_[1];
		}

		virtual bool enabled_fixed_ro() override {
		return COM_ANDROID_ACONFIG_TEST_ENABLED_FIXED_RO;
		}
		@@ -361,18 +398,18 @@ namespace com::android::aconfig::test {
		}

		virtual bool enabled_rw() override {
		if (cache_[1] == -1) {
		cache_[1] = server_configurable_flags::GetServerConfigurableFlag(
		if (cache_[2] == -1) {
		cache_[2] = server_configurable_flags::GetServerConfigurableFlag(
		"aconfig_flags.aconfig_test",
		"com.android.aconfig.test.enabled_rw",
		"true") == "true";
		}
		return cache_[1];
		return cache_[2];
		}

		};

		std::vector<int8_t> cache_ = std::vector<int8_t>(2, -1);
		std::vector<int8_t> cache_ = std::vector<int8_t>(3, -1);

		std::unique_ptr<flag_provider_interface> provider_ =
		std::make_unique<flag_provider>();
		@@ -386,6 +423,10 @@ bool com_android_aconfig_test_disabled_rw() {
		return com::android::aconfig::test::disabled_rw();
		}

		bool com_android_aconfig_test_disabled_rw_2() {
		return com::android::aconfig::test::disabled_rw_2();
		}

		bool com_android_aconfig_test_enabled_fixed_ro() {
		return COM_ANDROID_ACONFIG_TEST_ENABLED_FIXED_RO;
		}
		@@ -446,6 +487,22 @@ namespace com::android::aconfig::test {
		overrides_["disabled_rw"] = val;
		}

		virtual bool disabled_rw_2() override {
		auto it = overrides_.find("disabled_rw_2");
		if (it != overrides_.end()) {
		return it->second;
		} else {
		return server_configurable_flags::GetServerConfigurableFlag(
		"aconfig_flags.other_namespace",
		"com.android.aconfig.test.disabled_rw_2",
		"false") == "true";
		}
		}

		virtual void disabled_rw_2(bool val) override {
		overrides_["disabled_rw_2"] = val;
		}

		virtual bool enabled_fixed_ro() override {
		auto it = overrides_.find("enabled_fixed_ro");
		if (it != overrides_.end()) {
		@@ -515,6 +572,15 @@ void set_com_android_aconfig_test_disabled_rw(bool val) {
		com::android::aconfig::test::disabled_rw(val);
		}

		bool com_android_aconfig_test_disabled_rw_2() {
		return com::android::aconfig::test::disabled_rw_2();
		}


		void set_com_android_aconfig_test_disabled_rw_2(bool val) {
		com::android::aconfig::test::disabled_rw_2(val);
		}


		bool com_android_aconfig_test_enabled_fixed_ro() {
		return com::android::aconfig::test::enabled_fixed_ro();

tools/aconfig/src/codegen_java.rs

+112 −43

Original line number	Diff line number	Diff line
		@@ -16,7 +16,7 @@

		use anyhow::Result;
		use serde::Serialize;
		use std::collections::BTreeSet;
		use std::collections::{BTreeMap, BTreeSet};
		use std::path::PathBuf;
		use tinytemplate::TinyTemplate;

		@@ -34,12 +34,14 @@ where
		{
		let flag_elements: Vec<FlagElement> =
		parsed_flags_iter.map(\|pf\| create_flag_element(package, pf)).collect();
		let namespace_flags = gen_flags_by_namespace(&flag_elements);
		let properties_set: BTreeSet<String> =
		flag_elements.iter().map(\|fe\| format_property_name(&fe.device_config_namespace)).collect();
		let is_read_write = flag_elements.iter().any(\|elem\| elem.is_read_write);
		let is_test_mode = codegen_mode == CodegenMode::Test;
		let context = Context {
		flag_elements,
		namespace_flags,
		is_test_mode,
		is_read_write,
		properties_set,
		@@ -72,16 +74,44 @@ where
		.collect::<Result<Vec<OutputFile>>>()
		}

		fn gen_flags_by_namespace(flags: &[FlagElement]) -> Vec<NamespaceFlags> {
		let mut namespace_to_flag: BTreeMap<String, Vec<FlagElement>> = BTreeMap::new();

		for flag in flags {
		match namespace_to_flag.get_mut(&flag.device_config_namespace) {
		Some(flag_list) => flag_list.push(flag.clone()),
		None => {
		namespace_to_flag.insert(flag.device_config_namespace.clone(), vec![flag.clone()]);
		}
		}
		}

		namespace_to_flag
		.iter()
		.map(\|(namespace, flags)\| NamespaceFlags {
		namespace: namespace.to_string(),
		flags: flags.clone(),
		})
		.collect()
		}

		#[derive(Serialize)]
		struct Context {
		pub flag_elements: Vec<FlagElement>,
		pub namespace_flags: Vec<NamespaceFlags>,
		pub is_test_mode: bool,
		pub is_read_write: bool,
		pub properties_set: BTreeSet<String>,
		pub package_name: String,
		}

		#[derive(Serialize)]
		#[derive(Serialize, Debug)]
		struct NamespaceFlags {
		pub namespace: String,
		pub flags: Vec<FlagElement>,
		}

		#[derive(Serialize, Clone, Debug)]
		struct FlagElement {
		pub default_value: bool,
		pub device_config_namespace: String,
		@@ -148,6 +178,8 @@ mod tests {
		boolean disabledRo();
		@UnsupportedAppUsage
		boolean disabledRw();
		@UnsupportedAppUsage
		boolean disabledRw2();
		@com.android.aconfig.annotations.AssumeTrueForR8
		@UnsupportedAppUsage
		boolean enabledFixedRo();
		@@ -170,6 +202,8 @@ mod tests {
		/** @hide */
		public static final String FLAG_DISABLED_RW = "com.android.aconfig.test.disabled_rw";
		/** @hide */
		public static final String FLAG_DISABLED_RW_2 = "com.android.aconfig.test.disabled_rw_2";
		/** @hide */
		public static final String FLAG_ENABLED_FIXED_RO = "com.android.aconfig.test.enabled_fixed_ro";
		/** @hide */
		public static final String FLAG_ENABLED_RO = "com.android.aconfig.test.enabled_ro";
		@@ -185,6 +219,10 @@ mod tests {
		public static boolean disabledRw() {
		return FEATURE_FLAGS.disabledRw();
		}
		@UnsupportedAppUsage
		public static boolean disabledRw2() {
		return FEATURE_FLAGS.disabledRw2();
		}
		@com.android.aconfig.annotations.AssumeTrueForR8
		@UnsupportedAppUsage
		public static boolean enabledFixedRo() {
		@@ -224,6 +262,11 @@ mod tests {
		}
		@Override
		@UnsupportedAppUsage
		public boolean disabledRw2() {
		return getValue(Flags.FLAG_DISABLED_RW_2);
		}
		@Override
		@UnsupportedAppUsage
		public boolean enabledFixedRo() {
		return getValue(Flags.FLAG_ENABLED_FIXED_RO);
		}
		@@ -259,6 +302,7 @@ mod tests {
		Map.ofEntries(
		Map.entry(Flags.FLAG_DISABLED_RO, false),
		Map.entry(Flags.FLAG_DISABLED_RW, false),
		Map.entry(Flags.FLAG_DISABLED_RW_2, false),
		Map.entry(Flags.FLAG_ENABLED_FIXED_RO, false),
		Map.entry(Flags.FLAG_ENABLED_RO, false),
		Map.entry(Flags.FLAG_ENABLED_RW, false)
		@@ -289,7 +333,52 @@ mod tests {
		import android.provider.DeviceConfig.Properties;
		/** @hide */
		public final class FeatureFlagsImpl implements FeatureFlags {
		private Properties mPropertiesAconfigTest;
		private static boolean aconfig_test_is_cached = false;
		private static boolean other_namespace_is_cached = false;
		private static boolean disabledRw = false;
		private static boolean disabledRw2 = false;
		private static boolean enabledRw = true;


		private void load_overrides_aconfig_test() {
		try {
		Properties properties = DeviceConfig.getProperties("aconfig_test");
		disabledRw =
		properties.getBoolean("com.android.aconfig.test.disabled_rw", false);
		enabledRw =
		properties.getBoolean("com.android.aconfig.test.enabled_rw", true);
		} catch (NullPointerException e) {
		throw new RuntimeException(
		"Cannot read value from namespace aconfig_test "
		+ "from DeviceConfig. It could be that the code using flag "
		+ "executed before SettingsProvider initialization. Please use "
		+ "fixed read-only flag by adding is_fixed_read_only: true in "
		+ "flag declaration.",
		e
		);
		}
		aconfig_test_is_cached = true;
		}

		private void load_overrides_other_namespace() {
		try {
		Properties properties = DeviceConfig.getProperties("other_namespace");
		disabledRw2 =
		properties.getBoolean("com.android.aconfig.test.disabled_rw_2", false);
		} catch (NullPointerException e) {
		throw new RuntimeException(
		"Cannot read value from namespace other_namespace "
		+ "from DeviceConfig. It could be that the code using flag "
		+ "executed before SettingsProvider initialization. Please use "
		+ "fixed read-only flag by adding is_fixed_read_only: true in "
		+ "flag declaration.",
		e
		);
		}
		other_namespace_is_cached = true;
		}


		@Override
		@UnsupportedAppUsage
		public boolean disabledRo() {
		@@ -298,18 +387,18 @@ mod tests {
		@Override
		@UnsupportedAppUsage
		public boolean disabledRw() {
		if (mPropertiesAconfigTest == null) {
		mPropertiesAconfigTest =
		getProperties(
		"aconfig_test",
		"com.android.aconfig.test.disabled_rw"
		);
		if (!aconfig_test_is_cached) {
		load_overrides_aconfig_test();
		}
		return mPropertiesAconfigTest
		.getBoolean(
		"com.android.aconfig.test.disabled_rw",
		false
		);
		return disabledRw;
		}
		@Override
		@UnsupportedAppUsage
		public boolean disabledRw2() {
		if (!other_namespace_is_cached) {
		load_overrides_other_namespace();
		}
		return disabledRw2;
		}
		@Override
		@UnsupportedAppUsage
		@@ -324,36 +413,10 @@ mod tests {
		@Override
		@UnsupportedAppUsage
		public boolean enabledRw() {
		if (mPropertiesAconfigTest == null) {
		mPropertiesAconfigTest =
		getProperties(
		"aconfig_test",
		"com.android.aconfig.test.enabled_rw"
		);
		}
		return mPropertiesAconfigTest
		.getBoolean(
		"com.android.aconfig.test.enabled_rw",
		true
		);
		}
		private Properties getProperties(
		String namespace,
		String flagName) {
		Properties properties = null;
		try {
		properties = DeviceConfig.getProperties(namespace);
		} catch (NullPointerException e) {
		throw new RuntimeException(
		"Cannot read value of flag " + flagName + " from DeviceConfig. "
		+ "It could be that the code using flag executed "
		+ "before SettingsProvider initialization. "
		+ "Please use fixed read-only flag by adding "
		+ "is_fixed_read_only: true in flag declaration.",
		e
		);
		if (!aconfig_test_is_cached) {
		load_overrides_aconfig_test();
		}
		return properties;
		return enabledRw;
		}
		}
		"#;
		@@ -426,6 +489,12 @@ mod tests {
		}
		@Override
		@UnsupportedAppUsage
		public boolean disabledRw2() {
		throw new UnsupportedOperationException(
		"Method is not implemented.");
		}
		@Override
		@UnsupportedAppUsage
		public boolean enabledFixedRo() {
		throw new UnsupportedOperationException(
		"Method is not implemented.");

tools/aconfig/src/codegen_rust.rs

+44 −0

Original line number	Diff line number	Diff line
		@@ -104,6 +104,12 @@ lazy_static::lazy_static! {
		"com.android.aconfig.test.disabled_rw",
		"false") == "true";

		/// flag value cache for disabled_rw_2
		static ref CACHED_disabled_rw_2: bool = flags_rust::GetServerConfigurableFlag(
		"aconfig_flags.other_namespace",
		"com.android.aconfig.test.disabled_rw_2",
		"false") == "true";

		/// flag value cache for enabled_rw
		static ref CACHED_enabled_rw: bool = flags_rust::GetServerConfigurableFlag(
		"aconfig_flags.aconfig_test",
		@@ -122,6 +128,11 @@ impl FlagProvider {
		*CACHED_disabled_rw
		}

		/// query flag disabled_rw_2
		pub fn disabled_rw_2(&self) -> bool {
		*CACHED_disabled_rw_2
		}

		/// query flag enabled_fixed_ro
		pub fn enabled_fixed_ro(&self) -> bool {
		true
		@@ -153,6 +164,12 @@ pub fn disabled_rw() -> bool {
		PROVIDER.disabled_rw()
		}

		/// query flag disabled_rw_2
		#[inline(always)]
		pub fn disabled_rw_2() -> bool {
		PROVIDER.disabled_rw_2()
		}

		/// query flag enabled_fixed_ro
		#[inline(always)]
		pub fn enabled_fixed_ro() -> bool {
		@@ -211,6 +228,21 @@ impl FlagProvider {
		self.overrides.insert("disabled_rw", val);
		}

		/// query flag disabled_rw_2
		pub fn disabled_rw_2(&self) -> bool {
		self.overrides.get("disabled_rw_2").copied().unwrap_or(
		flags_rust::GetServerConfigurableFlag(
		"aconfig_flags.other_namespace",
		"com.android.aconfig.test.disabled_rw_2",
		"false") == "true"
		)
		}

		/// set flag disabled_rw_2
		pub fn set_disabled_rw_2(&mut self, val: bool) {
		self.overrides.insert("disabled_rw_2", val);
		}

		/// query flag enabled_fixed_ro
		pub fn enabled_fixed_ro(&self) -> bool {
		self.overrides.get("enabled_fixed_ro").copied().unwrap_or(
		@@ -285,6 +317,18 @@ pub fn set_disabled_rw(val: bool) {
		PROVIDER.lock().unwrap().set_disabled_rw(val);
		}

		/// query flag disabled_rw_2
		#[inline(always)]
		pub fn disabled_rw_2() -> bool {
		PROVIDER.lock().unwrap().disabled_rw_2()
		}

		/// set flag disabled_rw_2
		#[inline(always)]
		pub fn set_disabled_rw_2(val: bool) {
		PROVIDER.lock().unwrap().set_disabled_rw_2(val);
		}

		/// query flag enabled_fixed_ro
		#[inline(always)]
		pub fn enabled_fixed_ro() -> bool {