commit 6e17032ff625891e8fcb6b228440aeaf4da9c025
author Chenbo Feng <fengc@google.com> Sat Dec 22 13:20:31 2018 -0800
committer Chenbo Feng <fengc@google.com> Fri Jan 04 12:06:35 2019 -0800
tree 82d73ad1c5e44a2a43ba972f1ba25a3ea2d08eff
parent f9492e3d433afb635710845b6a84a5004c6fb1cf

Adjust map names due to new bpfloader

With the new loader support added. The bpf map format is defined by bpf
kernel program as well. Change the netd bpf program to the new format.

Test: CtsUsageStatsTestCases
Bug: 112334572
Change-Id: I34e38e0a8cf0cca54dc52ec897771452f9d90525

core/java/com/android/internal/net/NetworkStatsFactory.java

diff --git a/core/java/com/android/internal/net/NetworkStatsFactory.java b/core/java/com/android/internal/net/NetworkStatsFactory.java
index 0a7cff6..9bacf9b 100644
--- a/core/java/com/android/internal/net/NetworkStatsFactory.java
+++ b/core/java/com/android/internal/net/NetworkStatsFactory.java
@@ -20,6 +20,7 @@
 import static android.net.NetworkStats.TAG_ALL;
 import static android.net.NetworkStats.TAG_NONE;
 import static android.net.NetworkStats.UID_ALL;
+
 import static com.android.server.NetworkManagementSocketTagger.kernelToTag;
 
 import android.annotation.Nullable;
@@ -33,10 +34,8 @@
 
 import libcore.io.IoUtils;
 
-import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileReader;
 import java.io.IOException;
 import java.net.ProtocolException;
 import java.util.Arrays;
@@ -127,7 +126,7 @@
     }
 
     public NetworkStatsFactory() {
-        this(new File("/proc/"), new File("/sys/fs/bpf/traffic_uid_stats_map").exists());
+        this(new File("/proc/"), new File("/sys/fs/bpf/map_netd_app_uid_stats_map").exists());
     }
 
     @VisibleForTesting

services/core/java/com/android/server/net/NetworkStatsService.java

diff --git a/services/core/java/com/android/server/net/NetworkStatsService.java b/services/core/java/com/android/server/net/NetworkStatsService.java
index 8237185..538326b 100644
--- a/services/core/java/com/android/server/net/NetworkStatsService.java
+++ b/services/core/java/com/android/server/net/NetworkStatsService.java
@@ -361,7 +361,7 @@
         mStatsObservers = checkNotNull(statsObservers, "missing NetworkStatsObservers");
         mSystemDir = checkNotNull(systemDir, "missing systemDir");
         mBaseDir = checkNotNull(baseDir, "missing baseDir");
-        mUseBpfTrafficStats = new File("/sys/fs/bpf/traffic_uid_stats_map").exists();
+        mUseBpfTrafficStats = new File("/sys/fs/bpf/map_netd_app_uid_stats_map").exists();
     }
 
     private void registerLocalService() {