From b36fb99561019f562b2ab5ca42869b2a8dce8dbb Mon Sep 17 00:00:00 2001
From: Remi NGUYEN VAN <reminv@google.com>
Date: Tue, 23 Mar 2021 14:45:58 +0000
Subject: [PATCH] Add min_sdk_version to connectivity targets

All targets need min_sdk_version 30 to be included in the tethering
APEX. They will actually never be used on SDK 30 and are only loaded on
31, but this is necessary to be included in com.android.tethering.

Bug: 171540887
Test: m
Change-Id: I190fd1f3c9fabff057d0a2bd7f45b63a4fe447b3
---
 framework/Android.bp                                 |  7 +++++++
 service/Android.bp                                   | 12 +++++++-----
 service/ServiceConnectivityResources/Android.bp      |  1 +
 .../jni/com_android_server_TestNetworkService.cpp    |  7 ++-----
 4 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/framework/Android.bp b/framework/Android.bp
index de71af49f8..80c68f29e4 100644
--- a/framework/Android.bp
+++ b/framework/Android.bp
@@ -26,6 +26,7 @@ package {
 java_library {
     name: "framework-connectivity-protos",
     sdk_version: "module_current",
+    min_sdk_version: "30",
     proto: {
         type: "nano",
     },
@@ -109,6 +110,10 @@ cc_defaults {
         "-Wall",
         "-Werror",
         "-Wno-unused-parameter",
+        // Don't warn about S API usage even with
+        // min_sdk 30: the library is only loaded
+        // on S+ devices
+        "-Wno-unguarded-availability",
         "-Wthread-safety",
     ],
     shared_libs: [
@@ -135,6 +140,7 @@ cc_library_static {
 
 cc_library_shared {
     name: "libframework-connectivity-jni",
+    min_sdk_version: "30",
     defaults: ["libframework-connectivity-defaults"],
     srcs: [
         "jni/android_net_NetworkUtils.cpp",
@@ -151,6 +157,7 @@ cc_library_shared {
 java_library {
     name: "framework-connectivity.impl",
     sdk_version: "module_current",
+    min_sdk_version: "30",
     srcs: [
         ":framework-connectivity-sources",
     ],
diff --git a/service/Android.bp b/service/Android.bp
index 05a8a4eec5..9d1bb0fc43 100644
--- a/service/Android.bp
+++ b/service/Android.bp
@@ -25,7 +25,7 @@ package {
 
 cc_library_shared {
     name: "libservice-connectivity",
-    // TODO: build against the NDK (sdk_version: "30" for example)
+    min_sdk_version: "30",
     cflags: [
         "-Wall",
         "-Werror",
@@ -37,13 +37,12 @@ cc_library_shared {
         "jni/onload.cpp",
     ],
     stl: "libc++_static",
+    header_libs: [
+        "libbase_headers",
+    ],
     shared_libs: [
-        "libbase",
         "liblog",
         "libnativehelper",
-        // TODO: remove dependency on ifc_[add/del]_address by having Java code to add/delete
-        // addresses, and remove dependency on libnetutils.
-        "libnetutils",
     ],
     apex_available: [
         "com.android.tethering",
@@ -53,6 +52,7 @@ cc_library_shared {
 java_library {
     name: "service-connectivity-pre-jarjar",
     sdk_version: "system_server_current",
+    min_sdk_version: "30",
     srcs: [
         ":connectivity-service-srcs",
         ":framework-connectivity-shared-srcs",
@@ -91,6 +91,7 @@ java_library {
 java_library {
     name: "service-connectivity-protos",
     sdk_version: "system_current",
+    min_sdk_version: "30",
     proto: {
         type: "nano",
     },
@@ -107,6 +108,7 @@ java_library {
 java_library {
     name: "service-connectivity",
     sdk_version: "system_server_current",
+    min_sdk_version: "30",
     installable: true,
     static_libs: [
         "service-connectivity-pre-jarjar",
diff --git a/service/ServiceConnectivityResources/Android.bp b/service/ServiceConnectivityResources/Android.bp
index fa4501ac7f..d783738111 100644
--- a/service/ServiceConnectivityResources/Android.bp
+++ b/service/ServiceConnectivityResources/Android.bp
@@ -22,6 +22,7 @@ package {
 android_app {
     name: "ServiceConnectivityResources",
     sdk_version: "module_current",
+    min_sdk_version: "30",
     resource_dirs: [
         "res",
     ],
diff --git a/service/jni/com_android_server_TestNetworkService.cpp b/service/jni/com_android_server_TestNetworkService.cpp
index 36a6fde361..e7a40e5ea6 100644
--- a/service/jni/com_android_server_TestNetworkService.cpp
+++ b/service/jni/com_android_server_TestNetworkService.cpp
@@ -35,8 +35,6 @@
 
 #include <log/log.h>
 
-#include "netutils/ifc.h"
-
 #include "jni.h"
 #include <android-base/stringprintf.h>
 #include <android-base/unique_fd.h>
@@ -48,9 +46,8 @@ namespace android {
 //------------------------------------------------------------------------------
 
 static void throwException(JNIEnv* env, int error, const char* action, const char* iface) {
-    const std::string& msg =
-        android::base::StringPrintf("Error %s %s: %s", action, iface, strerror(error));
-
+    const std::string& msg = "Error: " + std::string(action) + " " + std::string(iface) +  ": "
+                + std::string(strerror(error));
     jniThrowException(env, "java/lang/IllegalStateException", msg.c_str());
 }