From 56ad0aba41500933277fb26ec79c407be24893a9 Mon Sep 17 00:00:00 2001
From: Lorenzo Colitti <lorenzo@google.com>
Date: Fri, 12 Feb 2021 12:40:52 +0900
Subject: [PATCH] Expose VpnTransportInfo as module-lib API.

This information originates in non-mainline system server code
and needs to be passed to the connectivity mainline code.

Bug: 173331190
Test: already covered by CTS tests
Change-Id: Ic612b6a51f7ec13e2213c8754312cf716130c876
---
 .../src/android/net/VpnTransportInfo.java     | 89 +++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 framework/src/android/net/VpnTransportInfo.java

diff --git a/framework/src/android/net/VpnTransportInfo.java b/framework/src/android/net/VpnTransportInfo.java
new file mode 100644
index 0000000000..0242ba0874
--- /dev/null
+++ b/framework/src/android/net/VpnTransportInfo.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package android.net;
+
+import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
+
+import android.annotation.NonNull;
+import android.annotation.SystemApi;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.util.SparseArray;
+
+import com.android.internal.util.MessageUtils;
+
+import java.util.Objects;
+
+/**
+ * Container for VPN-specific transport information.
+ *
+ * @see android.net.TransportInfo
+ * @see NetworkCapabilities#getTransportInfo()
+ *
+ * @hide
+ */
+@SystemApi(client = MODULE_LIBRARIES)
+public final class VpnTransportInfo implements TransportInfo, Parcelable {
+    private static final SparseArray<String> sTypeToString =
+            MessageUtils.findMessageNames(new Class[]{VpnManager.class}, new String[]{"TYPE_VPN_"});
+
+    /** Type of this VPN. */
+    @VpnManager.VpnType public final int type;
+
+    public VpnTransportInfo(@VpnManager.VpnType int type) {
+        this.type = type;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof VpnTransportInfo)) return false;
+
+        VpnTransportInfo that = (VpnTransportInfo) o;
+        return this.type == that.type;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(type);
+    }
+
+    @Override
+    public String toString() {
+        final String typeString = sTypeToString.get(type, "VPN_TYPE_???");
+        return String.format("VpnTransportInfo{%s}", typeString);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(@NonNull Parcel dest, int flags) {
+        dest.writeInt(type);
+    }
+
+    public static final @NonNull Creator<VpnTransportInfo> CREATOR =
+            new Creator<VpnTransportInfo>() {
+        public VpnTransportInfo createFromParcel(Parcel in) {
+            return new VpnTransportInfo(in.readInt());
+        }
+        public VpnTransportInfo[] newArray(int size) {
+            return new VpnTransportInfo[size];
+        }
+    };
+}