Merge "aconfig: create flag info file at build time" into main
diff --git a/core/packaging/flags.mk b/core/packaging/flags.mk
index 4693bcd..ccb502c 100644
--- a/core/packaging/flags.mk
+++ b/core/packaging/flags.mk
@@ -97,42 +97,54 @@
# $(1): built aconfig flags storage package map file (out)
# $(2): built aconfig flags storage flag map file (out)
# $(3): built aconfig flags storage flag val file (out)
-# $(4): installed aconfig flags storage package map file (out)
-# $(5): installed aconfig flags storage flag map file (out)
-# $(6): installed aconfig flags storage flag value file (out)
-# $(7): input aconfig files for the partition (in)
-# $(8): partition name
+# $(4): built aconfig flags storage flag info file (out)
+# $(5): installed aconfig flags storage package map file (out)
+# $(6): installed aconfig flags storage flag map file (out)
+# $(7): installed aconfig flags storage flag value file (out)
+# $(8): installed aconfig flags storage flag info file (out)
+# $(9): input aconfig files for the partition (in)
+# $(10): partition name
define generate-partition-aconfig-storage-file
$(eval $(strip $(1)): PRIVATE_OUT := $(strip $(1)))
-$(eval $(strip $(1)): PRIVATE_IN := $(strip $(7)))
-$(strip $(1)): $(ACONFIG) $(strip $(7))
+$(eval $(strip $(1)): PRIVATE_IN := $(strip $(9)))
+$(strip $(1)): $(ACONFIG) $(strip $(9))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
- $$(ACONFIG) create-storage --container $(8) --file package_map --out $$(PRIVATE_OUT) \
+ $$(ACONFIG) create-storage --container $(10) --file package_map --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
$(eval $(strip $(2)): PRIVATE_OUT := $(strip $(2)))
-$(eval $(strip $(2)): PRIVATE_IN := $(strip $(7)))
-$(strip $(2)): $(ACONFIG) $(strip $(7))
+$(eval $(strip $(2)): PRIVATE_IN := $(strip $(9)))
+$(strip $(2)): $(ACONFIG) $(strip $(9))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
- $$(ACONFIG) create-storage --container $(8) --file flag_map --out $$(PRIVATE_OUT) \
+ $$(ACONFIG) create-storage --container $(10) --file flag_map --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
$(eval $(strip $(3)): PRIVATE_OUT := $(strip $(3)))
-$(eval $(strip $(3)): PRIVATE_IN := $(strip $(7)))
-$(strip $(3)): $(ACONFIG) $(strip $(7))
+$(eval $(strip $(3)): PRIVATE_IN := $(strip $(9)))
+$(strip $(3)): $(ACONFIG) $(strip $(9))
mkdir -p $$(dir $$(PRIVATE_OUT))
$$(if $$(PRIVATE_IN), \
- $$(ACONFIG) create-storage --container $(8) --file flag_val --out $$(PRIVATE_OUT) \
+ $$(ACONFIG) create-storage --container $(10) --file flag_val --out $$(PRIVATE_OUT) \
$$(addprefix --cache ,$$(PRIVATE_IN)), \
)
touch $$(PRIVATE_OUT)
-$(call copy-one-file, $(strip $(1)), $(4))
-$(call copy-one-file, $(strip $(2)), $(5))
-$(call copy-one-file, $(strip $(3)), $(6))
+$(eval $(strip $(4)): PRIVATE_OUT := $(strip $(4)))
+$(eval $(strip $(4)): PRIVATE_IN := $(strip $(9)))
+$(strip $(4)): $(ACONFIG) $(strip $(9))
+ mkdir -p $$(dir $$(PRIVATE_OUT))
+ $$(if $$(PRIVATE_IN), \
+ $$(ACONFIG) create-storage --container $(10) --file flag_info --out $$(PRIVATE_OUT) \
+ $$(addprefix --cache ,$$(PRIVATE_IN)), \
+ )
+ touch $$(PRIVATE_OUT)
+$(call copy-one-file, $(strip $(1)), $(5))
+$(call copy-one-file, $(strip $(2)), $(6))
+$(call copy-one-file, $(strip $(3)), $(7))
+$(call copy-one-file, $(strip $(4)), $(8))
endef
ifeq ($(RELEASE_CREATE_ACONFIG_STORAGE_FILE),true)
@@ -140,13 +152,16 @@
$(eval aconfig_storage_package_map.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/package.map) \
$(eval aconfig_storage_flag_map.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/flag.map) \
$(eval aconfig_storage_flag_val.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/flag.val) \
+ $(eval aconfig_storage_flag_info.$(partition) := $(PRODUCT_OUT)/$(partition)/etc/aconfig/flag.info) \
$(eval $(call generate-partition-aconfig-storage-file, \
$(TARGET_OUT_FLAGS)/$(partition)/package.map, \
$(TARGET_OUT_FLAGS)/$(partition)/flag.map, \
$(TARGET_OUT_FLAGS)/$(partition)/flag.val, \
+ $(TARGET_OUT_FLAGS)/$(partition)/flag.info, \
$(aconfig_storage_package_map.$(partition)), \
$(aconfig_storage_flag_map.$(partition)), \
$(aconfig_storage_flag_val.$(partition)), \
+ $(aconfig_storage_flag_info.$(partition)), \
$(aconfig_flag_summaries_protobuf.$(partition)), \
$(partition), \
)) \
@@ -162,6 +177,7 @@
$(aconfig_storage_package_map.$(partition)) \
$(aconfig_storage_flag_map.$(partition)) \
$(aconfig_storage_flag_val.$(partition)) \
+ $(aconfig_storage_flag_info.$(partition)) \
))
ALL_DEFAULT_INSTALLED_MODULES += $(required_flags_files)
@@ -181,4 +197,5 @@
$(eval aconfig_storage_package_map.$(partition):=) \
$(eval aconfig_storage_flag_map.$(partition):=) \
$(eval aconfig_storage_flag_val.$(partition):=) \
+ $(eval aconfig_storage_flag_info.$(partition):=) \
)
diff --git a/tools/aconfig/aconfig/src/storage/flag_info.rs b/tools/aconfig/aconfig/src/storage/flag_info.rs
new file mode 100644
index 0000000..04e2b93
--- /dev/null
+++ b/tools/aconfig/aconfig/src/storage/flag_info.rs
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+use crate::commands::assign_flag_ids;
+use crate::storage::FlagPackage;
+use aconfig_protos::ProtoFlagPermission;
+use aconfig_storage_file::{
+ FlagInfoHeader, FlagInfoList, FlagInfoNode, StorageFileType, FILE_VERSION,
+};
+use anyhow::{anyhow, Result};
+
+fn new_header(container: &str, num_flags: u32) -> FlagInfoHeader {
+ FlagInfoHeader {
+ version: FILE_VERSION,
+ container: String::from(container),
+ file_type: StorageFileType::FlagInfo as u8,
+ file_size: 0,
+ num_flags,
+ boolean_flag_offset: 0,
+ }
+}
+
+pub fn create_flag_info(container: &str, packages: &[FlagPackage]) -> Result<FlagInfoList> {
+ // create list
+ let num_flags = packages.iter().map(|pkg| pkg.boolean_flags.len() as u32).sum();
+
+ let mut is_flag_rw = vec![false; num_flags as usize];
+ for pkg in packages.iter() {
+ let start_index = pkg.boolean_start_index as usize;
+ let flag_ids = assign_flag_ids(pkg.package_name, pkg.boolean_flags.iter().copied())?;
+ for pf in pkg.boolean_flags.iter() {
+ let fid = flag_ids
+ .get(pf.name())
+ .ok_or(anyhow!(format!("missing flag id for {}", pf.name())))?;
+ is_flag_rw[start_index + (*fid as usize)] =
+ pf.permission() == ProtoFlagPermission::READ_WRITE;
+ }
+ }
+
+ let mut list = FlagInfoList {
+ header: new_header(container, num_flags),
+ nodes: is_flag_rw.iter().map(|&rw| FlagInfoNode::create(rw)).collect(),
+ };
+
+ // initialize all header fields
+ list.header.boolean_flag_offset = list.header.into_bytes().len() as u32;
+ let bytes_per_node = FlagInfoNode::create(false).into_bytes().len() as u32;
+ list.header.file_size = list.header.boolean_flag_offset + num_flags * bytes_per_node;
+
+ Ok(list)
+}
+
+#[cfg(test)]
+mod tests {
+ use super::*;
+ use crate::storage::{group_flags_by_package, tests::parse_all_test_flags};
+
+ pub fn create_test_flag_info_list_from_source() -> Result<FlagInfoList> {
+ let caches = parse_all_test_flags();
+ let packages = group_flags_by_package(caches.iter());
+ create_flag_info("mockup", &packages)
+ }
+
+ #[test]
+ // this test point locks down the flag info creation and each field
+ fn test_list_contents() {
+ let flag_info_list = create_test_flag_info_list_from_source();
+ assert!(flag_info_list.is_ok());
+ let expected_flag_info_list =
+ aconfig_storage_file::test_utils::create_test_flag_info_list();
+ assert_eq!(flag_info_list.unwrap(), expected_flag_info_list);
+ }
+}
diff --git a/tools/aconfig/aconfig/src/storage/mod.rs b/tools/aconfig/aconfig/src/storage/mod.rs
index 73339f2..1d8dcfc 100644
--- a/tools/aconfig/aconfig/src/storage/mod.rs
+++ b/tools/aconfig/aconfig/src/storage/mod.rs
@@ -14,15 +14,16 @@
* limitations under the License.
*/
+pub mod flag_info;
pub mod flag_table;
pub mod flag_value;
pub mod package_table;
-use anyhow::{anyhow, Result};
+use anyhow::Result;
use std::collections::{HashMap, HashSet};
use crate::storage::{
- flag_table::create_flag_table, flag_value::create_flag_value,
+ flag_info::create_flag_info, flag_table::create_flag_table, flag_value::create_flag_value,
package_table::create_package_table,
};
use aconfig_protos::{ProtoParsedFlag, ProtoParsedFlags};
@@ -106,7 +107,10 @@
let flag_value = create_flag_value(container, &packages)?;
Ok(flag_value.into_bytes())
}
- _ => Err(anyhow!("aconfig does not support the creation of this storage file type")),
+ StorageFileType::FlagInfo => {
+ let flag_info = create_flag_info(container, &packages)?;
+ Ok(flag_info.into_bytes())
+ }
}
}
diff --git a/tools/filelistdiff/allowlist b/tools/filelistdiff/allowlist
index 120045e..b3ae819 100644
--- a/tools/filelistdiff/allowlist
+++ b/tools/filelistdiff/allowlist
@@ -41,6 +41,7 @@
etc/aconfig/flag.map
etc/aconfig/flag.val
etc/aconfig/package.map
+etc/aconfig/flag.info
etc/bpf/uprobestats/BitmapAllocation.o
etc/bpf/uprobestats/GenericInstrumentation.o
etc/bpf/uprobestats/ProcessManagement.o