src/Android.bp

package {
    default_applicable_licenses: ["external_uwb_license"],
}

rust_defaults {
    name: "libuwb_uci_packet_defaults",
    srcs: [
        "rust/uwb_uci_packets/src/lib.rs",
        ":UwbGeneratedPackets_rust",
    ],
    edition: "2021",
    proc_macros: ["libnum_derive"],
    rustlibs:[
        "libbytes",
        "liblog_rust",
        "libnum_traits",
        "libthiserror",
        "libzeroize",
    ],
    host_supported: true,
}

rust_test {
    name: "libuwb_uci_packet_tests",
    defaults: ["libuwb_uci_packet_defaults"],
    target: {
        android: {
            test_suites: [
                "general-tests",
                "mts-uwb"
            ],
            test_config_template: "uwb_rust_test_config_template.xml",
        },
        host: {
            test_suites: [
                "general-tests",
            ],
        },
    },
    // Support multilib variants (using different suffix per sub-architecture), which is needed on
    // build targets with secondary architectures, as the MTS test suite packaging logic flattens
    // all test artifacts into a single `testcases` directory.
    compile_multilib: "both",
    multilib: {
        lib32: {
            suffix: "32",
        },
        lib64: {
            suffix: "64",
        },
    },
    auto_gen_config: true,
}

rust_library {
    name: "libuwb_uci_packets",
    defaults: ["libuwb_uci_packet_defaults"],
    crate_name: "uwb_uci_packets",
    apex_available: [
        "//apex_available:platform",
        "com.android.uwb",
    ],
    min_sdk_version: "Tiramisu",
    vendor_available: true,
}

genrule {
    name: "UwbGeneratedPackets_rust",
    tools: [
        "bluetooth_packetgen",
    ],
    cmd: "$(location bluetooth_packetgen) --include=external/uwb/src --out=$(genDir) $(in) --rust",
    srcs: [
        "rust/uwb_uci_packets/uci_packets.pdl",
    ],
    out: [
        "rust/uwb_uci_packets/uci_packets.rs",
    ],
}

rust_defaults {
    name: "libuwb_core_defaults",
    srcs: ["rust/uwb_core/src/lib.rs"],
    edition: "2021",
    lints: "android",
    clippy_lints: "android",
    rustlibs: [
        "libbytes",
        "libnum_traits",
        "liblog_rust",
        "libthiserror",
        "libtokio",
        "libuwb_uci_packets",
        "libzeroize",
    ],
    proc_macros: [
        "libasync_trait",
        "libnum_derive",
    ],
    min_sdk_version: "Tiramisu",
    host_supported: true,
}

rust_library {
    name: "libuwb_core",
    defaults: ["libuwb_core_defaults"],
    crate_name: "uwb_core",
    apex_available: [
        "com.android.uwb",
    ],
}

rust_test {
    name: "libuwb_core_tests",
    defaults: ["libuwb_core_defaults"],
    rustlibs: [
        "libenv_logger",
        "libtempfile",
    ],
    target: {
        android: {
            test_suites: [
                "general-tests",
                "mts-uwb"
            ],
            test_config_template: "uwb_rust_test_config_template.xml",
        },
        host: {
            test_suites: [
                "general-tests",
            ],
            data_libs: [
                "libandroid_runtime_lazy",
                "libbase",
                "libcutils",
                "liblog",
                "libutils",
            ],
        },
    },
    // Support multilib variants (using different suffix per sub-architecture), which is needed on
    // build targets with secondary architectures, as the MTS test suite packaging logic flattens
    // all test artifacts into a single `testcases` directory.
    compile_multilib: "both",
    multilib: {
        lib32: {
            suffix: "32",
        },
        lib64: {
            suffix: "64",
        },
    },
    auto_gen_config: true,
}

rust_binary {
    name: "uwb_core_examples",
    srcs: ["rust/uwb_core/examples/main.rs"],
    rustlibs: [
        "libenv_logger",
        "liblog_rust",
        "libtokio",
        "libuwb_core",
    ],
    proc_macros: [
        "libasync_trait",
    ],

    lints: "android",
    clippy_lints: "android",
    min_sdk_version: "Tiramisu",
    host_supported: true,
}

// Build the uwb_core library with "proto" feature enabled.
// It's used for fuzzer test.
rust_library {
    name: "libuwb_core_with_proto",
    defaults: ["libuwb_core_defaults"],
    crate_name: "uwb_core",
    srcs: [
        // Generate the protobuf bindings.
        // These genrule follows the logic of rust/uwb_core/build.rs.
        ":gen_uwb_core_proto",
        ":include_uwb_core_proto",
    ],
    rustlibs: [
        "libprotobuf",
    ],
    features: ["proto"],
    host_supported: true,
}

genrule {
    name: "gen_uwb_core_proto",
    tools: ["aprotoc", "protoc-gen-rust"],
    cmd: "$(location aprotoc)" +
         " --proto_path=`dirname $(in)`" +
         " --dependency_out=$(depfile)" +
         " --plugin=$(location protoc-gen-rust)" +
         " --rust_out=$(genDir) $(in)",
    srcs: [
        "rust/uwb_core/protos/uwb_service.proto",
    ],
    out: [
        "uwb_service.rs",
    ],
    depfile: true,
}

genrule {
    name: "include_uwb_core_proto",
    cmd: "echo '#[path = \"uwb_service.rs\"]' > $(out);" +
         "echo 'pub mod bindings;' >> $(out);",
    out: [
        "proto_bindings.rs",
    ],
}

rust_fuzz {
    name: "uwb_core_fuzzer",
    srcs: [
        "rust/uwb_core/fuzz/proto_uwb_service_fuzzer.rs",
    ],
    rustlibs: [
        "libarbitrary",
        "libuwb_core_with_proto",
    ],
    fuzz_config: {
        cc: [
            "android-uwb-team@google.com",
        ],
        componentid: 1042770,
        fuzz_on_haiku_device: true,
        fuzz_on_haiku_host: true,
    },
}

rust_library {
    name: "libuci_hal_android",
    crate_name: "uci_hal_android",
    lints: "android",
    clippy_lints: "android",
    rustlibs: [
        "android.hardware.uwb-V1-rust",
        "libanyhow",
        "libbinder_rs",
        "libbinder_tokio_rs",
        "libbytes",
        "libjni",
        "liblog_rust",
        "libthiserror",
        "libtokio",
        "libuwb_core",
        "libuwb_uci_packets",
    ],
    target: {
        android: {
            rustlibs: [
                "librustutils",
            ],
        },
    },
    proc_macros: [
        "libasync_trait",
    ],
    apex_available: [
        "com.android.uwb",
    ],
    min_sdk_version: "Tiramisu",
    host_supported: true,
    srcs: [
        "rust/uci_hal_android/lib.rs",
    ],
}

// Generate the artifacts zip for uwb_core library and its dependencies.
genrule {
    name: "uwb_core_artifacts",
    tools: [
        "bluetooth_packetgen",
        "soong_zip",
    ],
    cmd:
        // Create a artifacts directory and copy the source code into it.
        "mkdir $(genDir)/artifacts;" +
        "cp -r external/uwb/src/rust/uwb_core " +
        "      external/uwb/src/rust/uwb_uci_packets " +
        "      external/uwb/src/rust/Cargo.toml " +
        "      $(genDir)/artifacts;" +

        // Generate uci_packets.rs at $(genDir)/artifacts/uwb_uci_packets/.
        "$(location bluetooth_packetgen) --rust " +
        "      --include=external/uwb/src/rust" +
        "      --out=$(genDir)/artifacts " +
        "      external/uwb/src/rust/uwb_uci_packets/uci_packets.pdl;" +

        // Pack the artifacts directory and clean up the directory.
        "$(location soong_zip) -o $(out) " +
        "                      -C $(genDir)/artifacts " +
        "                      -D $(genDir)/artifacts;" +
        "rm -rf $(genDir)/artifacts",
    out: [
        "uwb_core_artifacts.zip",
    ],
}

// Verify if the uwb_core library can be built via cargo system.
sh_test_host {
    name: "libuwb_core_cargo_test",
    src: "tests/libuwb_core_cargo_test.sh",
    test_config: "tests/libuwb_core_cargo_test.xml",
    test_suites: ["general-tests"],
    data: [":uwb_core_artifacts"],
    test_options: {
        unit_test: false,
    },
}