Add NetworkCapabilities#deduceRestrictedCapability
Support telephony mainline module usage.
Bug: 138306002
Test: atest FrameworksNetTests
atest CtsNetTestCases --instant
Change-Id: Idbd9c547eff7227085c753461b901c7cdbe396fb
diff --git a/api/system-current.txt b/api/system-current.txt
index f755b64..dfbc0a4 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -4385,6 +4385,7 @@
}
public final class NetworkCapabilities implements android.os.Parcelable {
+ method public boolean deduceRestrictedCapability();
method @NonNull public int[] getTransportTypes();
method public boolean satisfiedByNetworkCapabilities(@Nullable android.net.NetworkCapabilities);
method @NonNull public android.net.NetworkCapabilities setSSID(@Nullable String);
diff --git a/core/java/android/net/NetworkCapabilities.java b/core/java/android/net/NetworkCapabilities.java
index 421e61b..5f0399b 100644
--- a/core/java/android/net/NetworkCapabilities.java
+++ b/core/java/android/net/NetworkCapabilities.java
@@ -587,15 +587,14 @@
}
/**
- * Removes the NET_CAPABILITY_NOT_RESTRICTED capability if all the capabilities it provides are
- * typically provided by restricted networks.
+ * Deduces that all the capabilities it provides are typically provided by restricted networks
+ * or not.
*
- * TODO: consider:
- * - Renaming it to guessRestrictedCapability and make it set the
- * restricted capability bit in addition to clearing it.
+ * @return {@code true} if the network should be restricted.
* @hide
*/
- public void maybeMarkCapabilitiesRestricted() {
+ @SystemApi
+ public boolean deduceRestrictedCapability() {
// Check if we have any capability that forces the network to be restricted.
final boolean forceRestrictedCapability =
(mNetworkCapabilities & FORCE_RESTRICTED_CAPABILITIES) != 0;
@@ -609,8 +608,17 @@
final boolean hasRestrictedCapabilities =
(mNetworkCapabilities & RESTRICTED_CAPABILITIES) != 0;
- if (forceRestrictedCapability
- || (hasRestrictedCapabilities && !hasUnrestrictedCapabilities)) {
+ return forceRestrictedCapability
+ || (hasRestrictedCapabilities && !hasUnrestrictedCapabilities);
+ }
+
+ /**
+ * Removes the NET_CAPABILITY_NOT_RESTRICTED capability if deducing the network is restricted.
+ *
+ * @hide
+ */
+ public void maybeMarkCapabilitiesRestricted() {
+ if (deduceRestrictedCapability()) {
removeCapability(NET_CAPABILITY_NOT_RESTRICTED);
}
}