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Merge "Fix multipathPolicyTracker query-update loop"

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This commit is contained in:
Junyu Lai
2022-01-17 16:27:06 +00:00
committed by Gerrit Code Review
parent 741d8332d1 063dec5e4d
commit 8e2a6f76c7
1 changed files with 9 additions and 2 deletions
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11
services/core/java/com/android/server/connectivity/MultipathPolicyTracker.java
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@@ -199,6 +199,7 @@ public class MultipathPolicyTracker {
private final NetworkTemplate mNetworkTemplate; private final NetworkTemplate mNetworkTemplate;
private final UsageCallback mUsageCallback; private final UsageCallback mUsageCallback;
private NetworkCapabilities mNetworkCapabilities; private NetworkCapabilities mNetworkCapabilities;
private final NetworkStatsManager mStatsManager;
public MultipathTracker(Network network, NetworkCapabilities nc) { public MultipathTracker(Network network, NetworkCapabilities nc) {
this.network = network; this.network = network;
@@ -238,6 +239,13 @@ public class MultipathPolicyTracker {
updateMultipathBudget(); updateMultipathBudget();
} }
}; };
mStatsManager = mContext.getSystemService(NetworkStatsManager.class);
// Query stats from NetworkStatsService will trigger a poll by default.
// But since MultipathPolicyTracker listens NPMS events that triggered by
// stats updated event, and will query stats
// after the event. A polling -> updated -> query -> polling loop will be introduced
// if polls on open. Hence, set flag to false to prevent a polling loop.
mStatsManager.setPollOnOpen(false);
updateMultipathBudget(); updateMultipathBudget();
} }
@@ -262,8 +270,7 @@ public class MultipathPolicyTracker {
private long getNetworkTotalBytes(long start, long end) { private long getNetworkTotalBytes(long start, long end) {
try { try {
final android.app.usage.NetworkStats.Bucket ret = final android.app.usage.NetworkStats.Bucket ret =
mContext.getSystemService(NetworkStatsManager.class) mStatsManager.querySummaryForDevice(mNetworkTemplate, start, end);
.querySummaryForDevice(mNetworkTemplate, start, end);
return ret.getRxBytes() + ret.getTxBytes(); return ret.getRxBytes() + ret.getTxBytes();
} catch (RuntimeException e) { } catch (RuntimeException e) {
Log.w(TAG, "Failed to get data usage: " + e); Log.w(TAG, "Failed to get data usage: " + e);