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Merge "Add dumpsys network_stack version" into qt-dev

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This commit is contained in:
Remi NGUYEN VAN
2019-05-20 10:00:24 +00:00
committed by Android (Google) Code Review
parent ffc816283e 8ef722a970
commit 8600673c5d
1 changed files with 35 additions and 0 deletions
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35
packages/NetworkStack/src/com/android/server/NetworkStackService.java
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@@ -62,6 +62,7 @@ import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Android service used to start the network stack when bound to via an intent.
@@ -117,6 +118,15 @@ public class NetworkStackService extends Service {
@GuardedBy("mValidationLogs")
private final ArrayDeque<SharedLog> mValidationLogs = new ArrayDeque<>(MAX_VALIDATION_LOGS);
private static final int VERSION_UNKNOWN = 0;
private static final String DUMPSYS_ARG_VERSION = "version";
/** Version of the AIDL interfaces observed on the system */
private final AtomicInteger mSystemAidlVersion = new AtomicInteger(VERSION_UNKNOWN);
/** Whether different versions have been observed on interfaces provided by the system */
private volatile boolean mConflictingSystemAidlVersions = false;
private SharedLog addValidationLogs(Network network, String name) {
final SharedLog log = new SharedLog(NUM_VALIDATION_LOG_LINES, network + " - " + name);
synchronized (mValidationLogs) {
@@ -143,6 +153,13 @@ public class NetworkStackService extends Service {
}
}
private void updateSystemAidlVersion(final int version) {
final int previousVersion = mSystemAidlVersion.getAndSet(version);
if (previousVersion != VERSION_UNKNOWN && previousVersion != version) {
mConflictingSystemAidlVersions = true;
}
}
@NonNull
private final SharedLog mLog = new SharedLog(TAG);
@@ -150,6 +167,7 @@ public class NetworkStackService extends Service {
public void makeDhcpServer(@NonNull String ifName, @NonNull DhcpServingParamsParcel params,
@NonNull IDhcpServerCallbacks cb) throws RemoteException {
checkNetworkStackCallingPermission();
updateSystemAidlVersion(cb.getInterfaceVersion());
final DhcpServer server;
try {
server = new DhcpServer(
@@ -171,6 +189,7 @@ public class NetworkStackService extends Service {
@Override
public void makeNetworkMonitor(Network network, String name, INetworkMonitorCallbacks cb)
throws RemoteException {
updateSystemAidlVersion(cb.getInterfaceVersion());
final SharedLog log = addValidationLogs(network, name);
final NetworkMonitor nm = new NetworkMonitor(mContext, cb, network, log);
cb.onNetworkMonitorCreated(new NetworkMonitorImpl(nm));
@@ -178,6 +197,7 @@ public class NetworkStackService extends Service {
@Override
public void makeIpClient(String ifName, IIpClientCallbacks cb) throws RemoteException {
updateSystemAidlVersion(cb.getInterfaceVersion());
final IpClient ipClient = new IpClient(mContext, ifName, cb, mObserverRegistry, this);
synchronized (mIpClients) {
@@ -202,6 +222,7 @@ public class NetworkStackService extends Service {
@Override
public void fetchIpMemoryStore(@NonNull final IIpMemoryStoreCallbacks cb)
throws RemoteException {
updateSystemAidlVersion(cb.getInterfaceVersion());
cb.onIpMemoryStoreFetched(mIpMemoryStoreService);
}
@@ -209,6 +230,11 @@ public class NetworkStackService extends Service {
protected void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter fout,
@Nullable String[] args) {
checkDumpPermission();
if (args != null && args.length >= 1 && DUMPSYS_ARG_VERSION.equals(args[0])) {
dumpVersion(fout);
return;
}
final IndentingPrintWriter pw = new IndentingPrintWriter(fout, " ");
pw.println("NetworkStack logs:");
mLog.dump(fd, pw, args);
@@ -252,6 +278,15 @@ public class NetworkStackService extends Service {
}
}
/**
* Dump version information of the module and detected system version.
*/
private void dumpVersion(@NonNull PrintWriter fout) {
fout.println("NetworkStackConnector: " + this.VERSION);
fout.println("SystemServer: " + mSystemAidlVersion);
fout.println("SystemServerConflicts: " + mConflictingSystemAidlVersions);
}
@Override
public int getInterfaceVersion() {
return this.VERSION;