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Commit 2922ca90 authored by Dennis Shen's avatar Dennis Shen
Browse files

aconfig: add create_flag_info cc api 

Bug: b/321077378
Test: atest aconfig_storage_file.test
Change-Id: I1d48311cade178f0b047a5b4d4f81c6dac4362c8
parent bb9912e5

tools/aconfig/aconfig_storage_file/Android.bp

+44 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ rust_defaults { 
        "libtempfile",

        "libprotobuf",

        "libclap",

        "libcxx",

        "libaconfig_storage_protos",

    ],

}
@@ -69,3 +70,46 @@ cc_library_static { 
    ],

    host_supported: true,

}



// cxx source codegen from rust api

genrule {

    name: "libcxx_aconfig_storage_file_bridge_code",

    tools: ["cxxbridge"],

    cmd: "$(location cxxbridge) $(in) > $(out)",

    srcs: ["src/lib.rs"],

    out: ["aconfig_storage/lib.rs.cc"],

}



// cxx header codegen from rust api

genrule {

    name: "libcxx_aconfig_storage_file_bridge_header",

    tools: ["cxxbridge"],

    cmd: "$(location cxxbridge) $(in) --header > $(out)",

    srcs: ["src/lib.rs"],

    out: ["aconfig_storage/lib.rs.h"],

}



// a static cc lib based on generated code

rust_ffi_static {

    name: "libaconfig_storage_file_cxx_bridge",

    crate_name: "aconfig_storage_file_cxx_bridge",

    host_supported: true,

    srcs: ["src/lib.rs"],

    defaults: ["aconfig_storage_file.defaults"],

}



// flag storage file cc interface

cc_library_static {

    name: "libaconfig_storage_file_cc",

    srcs: ["aconfig_storage_file.cpp"],

    generated_headers: [

        "cxx-bridge-header",

        "libcxx_aconfig_storage_file_bridge_header",

    ],

    generated_sources: ["libcxx_aconfig_storage_file_bridge_code"],

    whole_static_libs: ["libaconfig_storage_file_cxx_bridge"],

    export_include_dirs: ["include"],

    static_libs: [

        "libbase",

    ],

}

tools/aconfig/aconfig_storage_file/Cargo.toml

+1 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ anyhow = "1.0.69" 
protobuf = "3.2.0"

tempfile = "3.9.0"

thiserror = "1.0.56"

cxx = "1.0"

clap = { version = "4.1.8", features = ["derive"] }



[[bin]]

tools/aconfig/aconfig_storage_file/aconfig_storage_file.cpp

0 → 100644
+20 −0
Original line number Diff line number Diff line 
#include "rust/cxx.h"

#include "aconfig_storage/lib.rs.h"

#include "aconfig_storage/aconfig_storage_file.hpp"



namespace aconfig_storage {

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_file/build.rs

+3 −0
Original line number Diff line number Diff line
@@ -14,4 +14,7 @@ fn main() { 
        .inputs(proto_files)

        .cargo_out_dir("aconfig_storage_protos")

        .run_from_script();



    let _ = cxx_build::bridge("src/lib.rs");

    println!("cargo:rerun-if-changed=src/lib.rs");

}

tools/aconfig/aconfig_storage_file/include/aconfig_storage/aconfig_storage_file.hpp

0 → 100644
+16 −0
Original line number Diff line number Diff line 
#pragma once



#include <stdint.h>

#include <string>

#include <android-base/result.h>



namespace aconfig_storage {

/// 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