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Dump bpf program status in dumpsys

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Sample output:
Bpf Program Status:
  CGROUP_INET_INGRESS: 21
  CGROUP_INET_EGRESS: 22
  CGROUP_INET_SOCK_CREATE: 28
  CGROUP_INET4_BIND: 30
  CGROUP_INET6_BIND: 31

Test: adb shell dumpsys connectivity
Test: atest FrameworksNetTests:android.net.connectivity.com.android.server.ConnectivityServiceTest#testDumpDoesNotCrash
Test: atest ConnectivityCoverageTests:android.net.connectivity.com.android.server.ConnectivityServiceTest#testDumpDoesNotCrash
Bug: 292156770
Change-Id: I312c90c524af12d093536156d6d5c6febd64305a
This commit is contained in:
Junyu Lai 2023-10-05 14:51:00 +08:00
commit 155760b57b
1 changed files with 61 additions and 6 deletions
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37
service/src/com/android/server/ConnectivityService.java
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@ -98,6 +98,11 @@ import static android.system.OsConstants.ETH_P_ALL;
import static android.system.OsConstants.IPPROTO_TCP;
import static android.system.OsConstants.IPPROTO_UDP;
import static com.android.net.module.util.BpfUtils.BPF_CGROUP_INET4_BIND;
import static com.android.net.module.util.BpfUtils.BPF_CGROUP_INET6_BIND;
import static com.android.net.module.util.BpfUtils.BPF_CGROUP_INET_EGRESS;
import static com.android.net.module.util.BpfUtils.BPF_CGROUP_INET_INGRESS;
import static com.android.net.module.util.BpfUtils.BPF_CGROUP_INET_SOCK_CREATE;
import static com.android.net.module.util.NetworkMonitorUtils.isPrivateDnsValidationRequired;
import static com.android.net.module.util.PermissionUtils.checkAnyPermissionOf;
import static com.android.net.module.util.PermissionUtils.enforceAnyPermissionOf;
@ -277,6 +282,7 @@ import com.android.modules.utils.build.SdkLevel;
import com.android.net.module.util.BaseNetdUnsolicitedEventListener;
import com.android.net.module.util.BinderUtils;
import com.android.net.module.util.BitUtils;
import com.android.net.module.util.BpfUtils;
import com.android.net.module.util.CollectionUtils;
import com.android.net.module.util.DeviceConfigUtils;
import com.android.net.module.util.InterfaceParams;
@ -1525,6 +1531,14 @@ public class ConnectivityService extends IConnectivityManager.Stub
}
}
/**
* Get BPF program Id from CGROUP. See {@link BpfUtils#getProgramId}.
*/
public int getBpfProgramId(final int attachType, @NonNull final String cgroupPath)
throws IOException {
return BpfUtils.getProgramId(attachType, cgroupPath);
}
/**
* Wraps {@link BroadcastOptionsShimImpl#newInstance(BroadcastOptions)}
*/
@ -3249,6 +3263,26 @@ public class ConnectivityService extends IConnectivityManager.Stub
pw.decreaseIndent();
}
private void dumpBpfProgramStatus(IndentingPrintWriter pw) {
pw.println("Bpf Program Status:");
pw.increaseIndent();
try {
pw.print("CGROUP_INET_INGRESS: ");
pw.println(mDeps.getBpfProgramId(BPF_CGROUP_INET_INGRESS, BpfUtils.CGROUP_PATH));
pw.print("CGROUP_INET_EGRESS: ");
pw.println(mDeps.getBpfProgramId(BPF_CGROUP_INET_EGRESS, BpfUtils.CGROUP_PATH));
pw.print("CGROUP_INET_SOCK_CREATE: ");
pw.println(mDeps.getBpfProgramId(BPF_CGROUP_INET_SOCK_CREATE, BpfUtils.CGROUP_PATH));
pw.print("CGROUP_INET4_BIND: ");
pw.println(mDeps.getBpfProgramId(BPF_CGROUP_INET4_BIND, BpfUtils.CGROUP_PATH));
pw.print("CGROUP_INET6_BIND: ");
pw.println(mDeps.getBpfProgramId(BPF_CGROUP_INET6_BIND, BpfUtils.CGROUP_PATH));
} catch (IOException e) {
pw.println(" IOException");
}
pw.decreaseIndent();
}
@VisibleForTesting
static final String KEY_DESTROY_FROZEN_SOCKETS_VERSION = "destroy_frozen_sockets_version";
@VisibleForTesting
@ -3862,6 +3896,9 @@ public class ConnectivityService extends IConnectivityManager.Stub
pw.println();
dumpCloseFrozenAppSockets(pw);
pw.println();
dumpBpfProgramStatus(pw);
pw.println();
if (!CollectionUtils.contains(args, SHORT_ARG)) {