LineageOS/android_packages_modules_Connectivity
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Merge "Dump underlying BPF traffic stats as well as higher-level stats."

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Treehugger Robot
2021-06-15 07:05:05 +00:00
committed by Gerrit Code Review
parent 1dba7454b3 704b8013f1
commit a79b785ff0
1 changed files with 22 additions and 0 deletions
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22
Tethering/src/com/android/networkstack/tethering/BpfCoordinator.java
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@@ -773,6 +773,12 @@ public class BpfCoordinator {
} }
pw.decreaseIndent(); pw.decreaseIndent();
pw.println("BPF stats:");
pw.increaseIndent();
dumpBpfStats(pw);
pw.decreaseIndent();
pw.println();
pw.println("Forwarding rules:"); pw.println("Forwarding rules:");
pw.increaseIndent(); pw.increaseIndent();
dumpIpv6UpstreamRules(pw); dumpIpv6UpstreamRules(pw);
@@ -800,6 +806,22 @@ public class BpfCoordinator {
upstreamIfindex), stats.toString())); upstreamIfindex), stats.toString()));
} }
} }
private void dumpBpfStats(@NonNull IndentingPrintWriter pw) {
try (BpfMap<TetherStatsKey, TetherStatsValue> map = mDeps.getBpfStatsMap()) {
if (map == null) {
pw.println("No BPF stats map");
return;
}
if (map.isEmpty()) {
pw.println("<empty>");
}
map.forEach((k, v) -> {
pw.println(String.format("%s: %s", k, v));
});
} catch (ErrnoException e) {
pw.println("Error dumping BPF stats map: " + e);
}
}
private void dumpIpv6ForwardingRules(@NonNull IndentingPrintWriter pw) { private void dumpIpv6ForwardingRules(@NonNull IndentingPrintWriter pw) {
if (mIpv6ForwardingRules.size() == 0) { if (mIpv6ForwardingRules.size() == 0) {