Added a new API to query VT data usage
Added a new API for NetworkStatsService to query aggregated VT
data usage from all subscription since boot up.
bug: 20888836
Change-Id: I6cc9344d6f1c25c90ea41be44c1afe529adc5a73
diff --git a/src/com/android/phone/PhoneInterfaceManager.java b/src/com/android/phone/PhoneInterfaceManager.java
index 546f0f2..d050576 100644
--- a/src/com/android/phone/PhoneInterfaceManager.java
+++ b/src/com/android/phone/PhoneInterfaceManager.java
@@ -3308,4 +3308,28 @@
}
DumpsysHandler.dump(mPhone.getContext(), fd, writer, args);
}
+
+ /**
+ * Get aggregated video call data usage from all subscriptions since boot.
+ * @return total data usage in bytes
+ * {@hide}
+ */
+ @Override
+ public long getVtDataUsage() {
+ mApp.enforceCallingOrSelfPermission(android.Manifest.permission.READ_NETWORK_USAGE_HISTORY,
+ null);
+
+ // NetworkStatsService keeps tracking the active network interface and identity. It will
+ // record the delta with the corresponding network identity. What we need to do here is
+ // returning total video call data usage from all subscriptions since boot.
+
+ // TODO: Add sub id support in the future. We'll need it when we support DSDA and
+ // simultaneous VT calls.
+ final Phone[] phones = PhoneFactory.getPhones();
+ long total = 0;
+ for (Phone phone : phones) {
+ total += phone.getVtDataUsage();
+ }
+ return total;
+ }
}