Merge "aconfig: remove create flag info api" into main am: 52e7cac0e5 (a5546a9a) · Commits · e / os / android_build

tools/aconfig/aconfig_storage_write_api/aconfig_storage_write_api.cpp

+0 −14

Original line number	Diff line number	Diff line
		@@ -100,18 +100,4 @@ android::base::Result<void> set_flag_has_local_override(
		return {};
		}

		android::base::Result<void> create_flag_info(
		std::string const& package_map,
		std::string const& flag_map,
		std::string const& flag_info_out) {
		auto creation_cxx = create_flag_info_cxx(
		rust::Str(package_map.c_str()),
		rust::Str(flag_map.c_str()),
		rust::Str(flag_info_out.c_str()));
		if (creation_cxx.success) {
		return {};
		} else {
		return android::base::Error() << creation_cxx.error_message;
		}
		}
		} // namespace aconfig_storage

tools/aconfig/aconfig_storage_write_api/include/aconfig_storage/aconfig_storage_write_api.hpp

+0 −9

Original line number	Diff line number	Diff line
		@@ -36,13 +36,4 @@ android::base::Result<void> set_flag_has_local_override(
		uint32_t offset,
		bool value);

		/// Create flag info file based on package and flag map
		/// \input package_map: package map file
		/// \input flag_map: flag map file
		/// \input flag_info_out: flag info file to be created
		android::base::Result<void> create_flag_info(
		std::string const& package_map,
		std::string const& flag_map,
		std::string const& flag_info_out);

		} // namespace aconfig_storage

tools/aconfig/aconfig_storage_write_api/src/lib.rs

+1 −144

Original line number	Diff line number	Diff line
		@@ -24,15 +24,10 @@ pub mod mapped_file;
		#[cfg(test)]
		mod test_utils;

		use aconfig_storage_file::{
		AconfigStorageError, FlagInfoHeader, FlagInfoList, FlagInfoNode, FlagTable, FlagValueType,
		PackageTable, StorageFileType, StoredFlagType, FILE_VERSION,
		};
		use aconfig_storage_file::{AconfigStorageError, FlagValueType};

		use anyhow::anyhow;
		use memmap2::MmapMut;
		use std::fs::File;
		use std::io::{Read, Write};

		/// Get read write mapped storage files.
		///
		@@ -104,86 +99,6 @@ pub fn set_flag_has_local_override(
		})
		}

		/// Read in storage file as bytes
		fn read_file_to_bytes(file_path: &str) -> Result<Vec<u8>, AconfigStorageError> {
		let mut file = File::open(file_path).map_err(\|errmsg\| {
		AconfigStorageError::FileReadFail(anyhow!("Failed to open file {}: {}", file_path, errmsg))
		})?;
		let mut buffer = Vec::new();
		file.read_to_end(&mut buffer).map_err(\|errmsg\| {
		AconfigStorageError::FileReadFail(anyhow!(
		"Failed to read bytes from file {}: {}",
		file_path,
		errmsg
		))
		})?;
		Ok(buffer)
		}

		/// Create flag info file given package map file and flag map file
		/// \input package_map: package map file
		/// \input flag_map: flag map file
		/// \output flag_info_out: created flag info file
		pub fn create_flag_info(
		package_map: &str,
		flag_map: &str,
		flag_info_out: &str,
		) -> Result<(), AconfigStorageError> {
		let package_table = PackageTable::from_bytes(&read_file_to_bytes(package_map)?)?;
		let flag_table = FlagTable::from_bytes(&read_file_to_bytes(flag_map)?)?;

		if package_table.header.container != flag_table.header.container {
		return Err(AconfigStorageError::FileCreationFail(anyhow!(
		"container for package map {} and flag map {} does not match",
		package_table.header.container,
		flag_table.header.container,
		)));
		}

		let mut package_start_index = vec![0; package_table.header.num_packages as usize];
		for node in package_table.nodes.iter() {
		package_start_index[node.package_id as usize] = node.boolean_start_index;
		}

		let mut is_flag_rw = vec![false; flag_table.header.num_flags as usize];
		for node in flag_table.nodes.iter() {
		let flag_index = package_start_index[node.package_id as usize] + node.flag_index as u32;
		is_flag_rw[flag_index as usize] = node.flag_type == StoredFlagType::ReadWriteBoolean;
		}

		let mut list = FlagInfoList {
		header: FlagInfoHeader {
		version: FILE_VERSION,
		container: flag_table.header.container,
		file_type: StorageFileType::FlagInfo as u8,
		file_size: 0,
		num_flags: flag_table.header.num_flags,
		boolean_flag_offset: 0,
		},
		nodes: is_flag_rw.iter().map(\|&rw\| FlagInfoNode::create(rw)).collect(),
		};

		list.header.boolean_flag_offset = list.header.into_bytes().len() as u32;
		list.header.file_size = list.into_bytes().len() as u32;

		let mut file = File::create(flag_info_out).map_err(\|errmsg\| {
		AconfigStorageError::FileCreationFail(anyhow!(
		"fail to create file {}: {}",
		flag_info_out,
		errmsg
		))
		})?;
		file.write_all(&list.into_bytes()).map_err(\|errmsg\| {
		AconfigStorageError::FileCreationFail(anyhow!(
		"fail to write to file {}: {}",
		flag_info_out,
		errmsg
		))
		})?;

		Ok(())
		}

		// *************************************** //
		// CC INTERLOP
		// *************************************** //
		@@ -212,12 +127,6 @@ mod ffi {
		pub error_message: String,
		}

		// Flag info file creation return for cc interlop
		pub struct FlagInfoCreationCXX {
		pub success: bool,
		pub error_message: String,
		}

		// Rust export to c++
		extern "Rust" {
		pub fn update_boolean_flag_value_cxx(
		@@ -239,12 +148,6 @@ mod ffi {
		offset: u32,
		value: bool,
		) -> FlagHasLocalOverrideUpdateCXX;

		pub fn create_flag_info_cxx(
		package_map: &str,
		flag_map: &str,
		flag_info_out: &str,
		) -> FlagInfoCreationCXX;
		}
		}

		@@ -329,34 +232,15 @@ pub(crate) fn update_flag_has_local_override_cxx(
		}
		}

		/// Create flag info file cc interlop
		pub(crate) fn create_flag_info_cxx(
		package_map: &str,
		flag_map: &str,
		flag_info_out: &str,
		) -> ffi::FlagInfoCreationCXX {
		match create_flag_info(package_map, flag_map, flag_info_out) {
		Ok(()) => ffi::FlagInfoCreationCXX { success: true, error_message: String::from("") },
		Err(errmsg) => {
		ffi::FlagInfoCreationCXX { success: false, error_message: format!("{:?}", errmsg) }
		}
		}
		}

		#[cfg(test)]
		mod tests {
		use super::*;
		use crate::test_utils::copy_to_temp_file;
		use aconfig_storage_file::test_utils::{
		create_test_flag_info_list, create_test_flag_table, create_test_package_table,
		write_bytes_to_temp_file,
		};
		use aconfig_storage_file::FlagInfoBit;
		use aconfig_storage_read_api::flag_info_query::find_flag_attribute;
		use aconfig_storage_read_api::flag_value_query::find_boolean_flag_value;
		use std::fs::File;
		use std::io::Read;
		use tempfile::NamedTempFile;

		fn get_boolean_flag_value_at_offset(file: &str, offset: u32) -> bool {
		let mut f = File::open(&file).unwrap();
		@@ -439,31 +323,4 @@ mod tests {
		}
		}
		}

		fn create_empty_temp_file() -> Result<NamedTempFile, AconfigStorageError> {
		let file = NamedTempFile::new().map_err(\|_\| {
		AconfigStorageError::FileCreationFail(anyhow!("Failed to create temp file"))
		})?;
		Ok(file)
		}

		#[test]
		// this test point locks down the flag info creation
		fn test_create_flag_info() {
		let package_table =
		write_bytes_to_temp_file(&create_test_package_table().into_bytes()).unwrap();
		let flag_table = write_bytes_to_temp_file(&create_test_flag_table().into_bytes()).unwrap();
		let flag_info = create_empty_temp_file().unwrap();

		let package_table_path = package_table.path().display().to_string();
		let flag_table_path = flag_table.path().display().to_string();
		let flag_info_path = flag_info.path().display().to_string();

		assert!(create_flag_info(&package_table_path, &flag_table_path, &flag_info_path).is_ok());

		let flag_info =
		FlagInfoList::from_bytes(&read_file_to_bytes(&flag_info_path).unwrap()).unwrap();
		let expected_flag_info = create_test_flag_info_list();
		assert_eq!(flag_info, expected_flag_info);
		}
		}