Support QosCallback for UDP socket : validate
Do validate() before sending QosCallback to App.
If validate fails, notify error to App & tear down QosCallback internally.
Bug: 203146631
Test: atest & verified on LTE test equipment
Change-Id: I05e28b10b816381a191272c85b3b178204d835d7
diff --git a/service/src/com/android/server/connectivity/QosCallbackAgentConnection.java b/service/src/com/android/server/connectivity/QosCallbackAgentConnection.java
index 534dbe7..e682026 100644
--- a/service/src/com/android/server/connectivity/QosCallbackAgentConnection.java
+++ b/service/src/com/android/server/connectivity/QosCallbackAgentConnection.java
@@ -30,6 +30,8 @@
import android.telephony.data.NrQosSessionAttributes;
import android.util.Log;
+import com.android.modules.utils.build.SdkLevel;
+
import java.util.Objects;
/**
@@ -149,6 +151,7 @@
void sendEventEpsQosSessionAvailable(final QosSession session,
final EpsBearerQosSessionAttributes attributes) {
+ if (!validateOrSendErrorAndUnregister()) return;
try {
if (DBG) log("sendEventEpsQosSessionAvailable: sending...");
mCallback.onQosEpsBearerSessionAvailable(session, attributes);
@@ -159,6 +162,7 @@
void sendEventNrQosSessionAvailable(final QosSession session,
final NrQosSessionAttributes attributes) {
+ if (!validateOrSendErrorAndUnregister()) return;
try {
if (DBG) log("sendEventNrQosSessionAvailable: sending...");
mCallback.onNrQosSessionAvailable(session, attributes);
@@ -168,6 +172,7 @@
}
void sendEventQosSessionLost(@NonNull final QosSession session) {
+ if (!validateOrSendErrorAndUnregister()) return;
try {
if (DBG) log("sendEventQosSessionLost: sending...");
mCallback.onQosSessionLost(session);
@@ -185,6 +190,21 @@
}
}
+ private boolean validateOrSendErrorAndUnregister() {
+ final int exceptionType = mFilter.validate();
+ if (exceptionType != EX_TYPE_FILTER_NONE) {
+ log("validation fail before sending QosCallback.");
+ // Error callback is returned from Android T to prevent any disruption of application
+ // running on Android S.
+ if (SdkLevel.isAtLeastT()) {
+ sendEventQosCallbackError(exceptionType);
+ mQosCallbackTracker.unregisterCallback(mCallback);
+ }
+ return false;
+ }
+ return true;
+ }
+
private static void log(@NonNull final String msg) {
Log.d(TAG, msg);
}