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Report NR connected state to provide resolution of 5G NSA mode

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Test: adb shell cmd stats pull-source 10082
Test: atest UidAtomTests#testDataUsageBytesTransfer
Bug: 160727498

Change-Id: I7d98ab425852ffa064c68f5dc50bd1f5a4a49ab9
This commit is contained in:
junyulai
2020-07-17 07:26:42 +08:00
parent 8d97ceaa29
commit 10dc347f6d
2 changed files with 19 additions and 3 deletions
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6
cmds/statsd/src/atoms.proto
View File

@@ -5191,6 +5191,12 @@ message DataUsageBytesTransfer {
// record is combined across opportunistic data subscriptions.
// See {@link SubscriptionManager#setOpportunistic}.
optional DataSubscriptionState opportunistic_data_sub = 10;
// Indicate whether NR is connected, server side could use this with RAT type to determine if
// the record is for 5G NSA (Non Stand Alone) mode, where the primary cell is still LTE and
// network allocates a secondary 5G cell so telephony reports RAT = LTE along with NR state as
// connected.
optional bool is_nr_connected = 11;
}
/**

16
services/core/java/com/android/server/stats/pull/StatsPullAtomService.java
View File

@@ -1130,19 +1130,29 @@ public class StatsPullAtomService extends SystemService {
private void addDataUsageBytesTransferAtoms(@NonNull NetworkStatsExt statsExt,
@NonNull List<StatsEvent> pulledData) {
// Workaround for 5G NSA mode, see {@link NetworkTemplate#NETWORK_TYPE_5G_NSA}.
// 5G NSA mode means the primary cell is LTE with a secondary connection to an
// NR cell. To mitigate risk, NetworkStats is currently storing this state as
// a fake RAT type rather than storing the boolean separately.
final boolean is5GNsa = statsExt.ratType == NetworkTemplate.NETWORK_TYPE_5G_NSA;
// Report NR connected in 5G non-standalone mode, or if the RAT type is NR to begin with.
final boolean isNR = is5GNsa || statsExt.ratType == TelephonyManager.NETWORK_TYPE_NR;
final NetworkStats.Entry entry = new NetworkStats.Entry(); // for recycling
for (int i = 0; i < statsExt.stats.size(); i++) {
statsExt.stats.getValues(i, entry);
pulledData.add(FrameworkStatsLog.buildStatsEvent(
FrameworkStatsLog.DATA_USAGE_BYTES_TRANSFER, entry.set, entry.rxBytes,
entry.rxPackets, entry.txBytes, entry.txPackets, statsExt.ratType,
entry.rxPackets, entry.txBytes, entry.txPackets,
is5GNsa ? TelephonyManager.NETWORK_TYPE_LTE : statsExt.ratType,
// Fill information about subscription, these cannot be null since invalid data
// would be filtered when adding into subInfo list.
statsExt.subInfo.mcc, statsExt.subInfo.mnc, statsExt.subInfo.carrierId,
statsExt.subInfo.isOpportunistic
? DATA_USAGE_BYTES_TRANSFER__OPPORTUNISTIC_DATA_SUB__OPPORTUNISTIC
: DATA_USAGE_BYTES_TRANSFER__OPPORTUNISTIC_DATA_SUB__NOT_OPPORTUNISTIC)
);
: DATA_USAGE_BYTES_TRANSFER__OPPORTUNISTIC_DATA_SUB__NOT_OPPORTUNISTIC,
isNR));
}
}