R8 emits "missing class" warnings when optimizing service-connectivity because service-connectivity combines several already built static_libs (service-connectivity, service-connectivity-t, service-nearby), but does not specify any classpath library, which are actually needed for R8. This causes wrong optimizations, where R8 would sometimes strip out code that it thinks is unused (because it considers it unreachable due to the missing class, or it does not know the superclass of a callback and thinks the overridden methods cannot be called). Add the necessary classpath libraries to remove the warnings. Bug: 226127213 Bug: 239990030 Test: m service-connectivity, see no "Missing class" warnings Change-Id: I1eaa39b70da4b540e3a3e8e798bec1359b5bf533
336 lines
10 KiB
Plaintext
336 lines
10 KiB
Plaintext
//
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// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package {
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// See: http://go/android-license-faq
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default_applicable_licenses: ["Android-Apache-2.0"],
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}
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aidl_interface {
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name: "connectivity_native_aidl_interface",
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local_include_dir: "binder",
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vendor_available: true,
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srcs: [
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"binder/android/net/connectivity/aidl/*.aidl",
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],
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backend: {
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java: {
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apex_available: [
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"com.android.tethering",
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],
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min_sdk_version: "30",
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},
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ndk: {
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apex_available: [
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"com.android.tethering",
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],
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min_sdk_version: "30",
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},
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},
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versions: ["1"],
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}
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cc_library_static {
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name: "connectivity_native_aidl_interface-lateststable-ndk",
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min_sdk_version: "30",
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whole_static_libs: [
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"connectivity_native_aidl_interface-V1-ndk",
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],
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apex_available: [
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"com.android.tethering",
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],
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}
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java_library {
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name: "connectivity_native_aidl_interface-lateststable-java",
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sdk_version: "system_current",
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min_sdk_version: "30",
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static_libs: [
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"connectivity_native_aidl_interface-V1-java",
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],
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apex_available: [
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"com.android.tethering",
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],
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}
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// The library name match the service-connectivity jarjar rules that put the JNI utils in the
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// android.net.connectivity.com.android.net.module.util package.
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cc_library_shared {
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name: "libandroid_net_connectivity_com_android_net_module_util_jni",
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min_sdk_version: "30",
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cflags: [
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"-Wall",
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"-Werror",
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"-Wno-unused-parameter",
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"-Wthread-safety",
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],
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srcs: [
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"jni/com_android_net_module_util/onload.cpp",
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],
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static_libs: [
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"libnet_utils_device_common_bpfjni",
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"libnet_utils_device_common_bpfutils",
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],
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shared_libs: [
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"liblog",
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"libnativehelper",
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],
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apex_available: [
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"com.android.tethering",
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],
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}
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cc_library_shared {
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name: "libservice-connectivity",
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min_sdk_version: "30",
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cflags: [
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"-Wall",
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"-Werror",
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"-Wno-unused-parameter",
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"-Wthread-safety",
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],
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srcs: [
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":services.connectivity-netstats-jni-sources",
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"jni/com_android_server_BpfNetMaps.cpp",
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"jni/com_android_server_connectivity_ClatCoordinator.cpp",
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"jni/com_android_server_TestNetworkService.cpp",
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"jni/onload.cpp",
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],
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header_libs: [
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"bpf_connectivity_headers",
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],
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static_libs: [
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"libclat",
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"libip_checksum",
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"libmodules-utils-build",
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"libnetjniutils",
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"libnet_utils_device_common_bpfjni",
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"libtraffic_controller",
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"netd_aidl_interface-lateststable-ndk",
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],
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shared_libs: [
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"libbase",
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"libcutils",
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"libnetdutils",
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"liblog",
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"libnativehelper",
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"libnetworkstats",
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],
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apex_available: [
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"com.android.tethering",
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],
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}
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java_library {
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name: "service-connectivity-pre-jarjar",
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sdk_version: "system_server_current",
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min_sdk_version: "30",
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srcs: [
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"src/**/*.java",
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":framework-connectivity-shared-srcs",
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":services-connectivity-shared-srcs",
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// TODO: move to net-utils-device-common
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":connectivity-module-utils-srcs",
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],
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libs: [
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"framework-annotations-lib",
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"framework-connectivity-pre-jarjar",
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"framework-connectivity-t.stubs.module_lib",
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"framework-tethering.stubs.module_lib",
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"framework-wifi.stubs.module_lib",
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"unsupportedappusage",
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"ServiceConnectivityResources",
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],
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static_libs: [
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// Do not add libs here if they are already included
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// in framework-connectivity
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"connectivity-net-module-utils-bpf",
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"connectivity_native_aidl_interface-lateststable-java",
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"dnsresolver_aidl_interface-V9-java",
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"modules-utils-shell-command-handler",
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"net-utils-device-common",
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"net-utils-device-common-bpf",
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"net-utils-device-common-netlink",
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"net-utils-services-common",
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"netd-client",
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"networkstack-client",
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"PlatformProperties",
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"service-connectivity-protos",
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"NetworkStackApiStableShims",
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],
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apex_available: [
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"com.android.tethering",
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],
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lint: { strict_updatability_linting: true },
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visibility: [
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"//packages/modules/Connectivity/service-t",
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"//packages/modules/Connectivity/tests:__subpackages__",
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],
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}
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// TODO: Remove this temporary library and put code into module when test coverage is enough.
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java_library {
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name: "service-mdns",
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sdk_version: "system_server_current",
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min_sdk_version: "30",
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srcs: [
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"mdns/**/*.java",
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],
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libs: [
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"framework-annotations-lib",
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"framework-connectivity-pre-jarjar",
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"framework-wifi.stubs.module_lib",
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"service-connectivity-pre-jarjar",
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],
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visibility: [
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"//packages/modules/Connectivity/tests:__subpackages__",
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],
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}
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java_library {
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name: "service-connectivity-protos",
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sdk_version: "system_current",
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min_sdk_version: "30",
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proto: {
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type: "nano",
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},
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srcs: [
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":system-messages-proto-src",
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],
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libs: ["libprotobuf-java-nano"],
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apex_available: [
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"com.android.tethering",
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],
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lint: { strict_updatability_linting: true },
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}
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java_defaults {
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name: "service-connectivity-defaults",
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sdk_version: "system_server_current",
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min_sdk_version: "30",
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// This library combines system server jars that have access to different bootclasspath jars.
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// Lower SDK service jars must not depend on higher SDK jars as that would let them
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// transitively depend on the wrong bootclasspath jars. Sources also cannot be added here as
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// they would depend on bootclasspath jars that may not be available.
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static_libs: [
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"service-connectivity-pre-jarjar",
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"service-connectivity-tiramisu-pre-jarjar",
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"service-nearby-pre-jarjar",
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],
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// The below libraries are not actually needed to build since no source is compiled
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// (only combining prebuilt static_libs), but they are necessary so that R8 has the right
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// references to optimize the code. Without these, there will be missing class warnings and
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// code may be wrongly optimized.
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// R8 runs after jarjar, so the framework-X libraries need to be the post-jarjar artifacts
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// (.impl), if they are not just stubs, so that the name of jarjared classes match.
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libs: [
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"androidx.annotation_annotation",
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"framework-annotations-lib",
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"framework-connectivity.impl",
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"framework-connectivity-t.impl",
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"framework-tethering.stubs.module_lib",
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"framework-wifi.stubs.module_lib",
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"libprotobuf-java-nano",
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],
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jarjar_rules: ":connectivity-jarjar-rules",
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apex_available: [
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"com.android.tethering",
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],
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optimize: {
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enabled: true,
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shrink: true,
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proguard_flags_files: ["proguard.flags"],
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},
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lint: { strict_updatability_linting: true },
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}
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// A special library created strictly for use by the tests as they need the
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// implementation library but that is not available when building from prebuilts.
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// Using a library with a different name to what is used by the prebuilts ensures
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// that this will never depend on the prebuilt.
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// Switching service-connectivity to a java_sdk_library would also have worked as
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// that has built in support for managing this but that is too big a change at this
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// point.
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java_library {
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name: "service-connectivity-for-tests",
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defaults: ["service-connectivity-defaults"],
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}
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java_library {
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name: "service-connectivity",
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defaults: ["service-connectivity-defaults"],
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installable: true,
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}
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genrule {
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name: "connectivity-jarjar-rules",
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defaults: ["jarjar-rules-combine-defaults"],
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srcs: [
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":framework-connectivity-jarjar-rules",
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":service-connectivity-jarjar-gen",
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":service-nearby-jarjar-gen",
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],
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out: ["connectivity-jarjar-rules.txt"],
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visibility: ["//packages/modules/Connectivity:__subpackages__"],
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}
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// TODO: This filegroup temporary exposes for NetworkStats. It should be
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// removed right after NetworkStats moves into mainline module.
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filegroup {
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name: "traffic-controller-utils",
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srcs: ["src/com/android/server/BpfNetMaps.java"],
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visibility: ["//packages/modules/Connectivity:__subpackages__"],
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}
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java_genrule {
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name: "service-connectivity-jarjar-gen",
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tool_files: [
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":service-connectivity-pre-jarjar{.jar}",
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":service-connectivity-tiramisu-pre-jarjar{.jar}",
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"jarjar-excludes.txt",
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],
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tools: [
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"jarjar-rules-generator",
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],
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out: ["service_connectivity_jarjar_rules.txt"],
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cmd: "$(location jarjar-rules-generator) " +
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"--jars $(location :service-connectivity-pre-jarjar{.jar}) " +
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"$(location :service-connectivity-tiramisu-pre-jarjar{.jar}) " +
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"--prefix android.net.connectivity " +
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"--excludes $(location jarjar-excludes.txt) " +
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"--output $(out)",
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visibility: ["//visibility:private"],
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}
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java_genrule {
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name: "service-nearby-jarjar-gen",
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tool_files: [
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":service-nearby-pre-jarjar{.jar}",
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"jarjar-excludes.txt",
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],
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tools: [
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"jarjar-rules-generator",
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],
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out: ["service_nearby_jarjar_rules.txt"],
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cmd: "$(location jarjar-rules-generator) " +
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"--jars $(location :service-nearby-pre-jarjar{.jar}) " +
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"--prefix com.android.server.nearby " +
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"--excludes $(location jarjar-excludes.txt) " +
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"--output $(out)",
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visibility: ["//visibility:private"],
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}
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