Remove registerGroups interface

Instead we will have a static init call that is used to register all protolog groups on initialization of ProtoLog in a new process.

Test: atest com.android.internal.protolog.ProtoLogServiceTest
Bug: 352538294
Flag: EXEMPT refactor
Change-Id: I733481640e89aa6394ea33e01436db01aa5824f9
diff --git a/core/java/com/android/internal/protolog/LegacyProtoLogImpl.java b/core/java/com/android/internal/protolog/LegacyProtoLogImpl.java
index fcc3023..2feb3d5 100644
--- a/core/java/com/android/internal/protolog/LegacyProtoLogImpl.java
+++ b/core/java/com/android/internal/protolog/LegacyProtoLogImpl.java
@@ -419,7 +419,6 @@
         return group.isLogToLogcat() || (group.isLogToProto() && isProtoEnabled());
     }
 
-    @Override
     public void registerGroups(IProtoLogGroup... protoLogGroups) {
         for (IProtoLogGroup group : protoLogGroups) {
             mLogGroups.put(group.name(), group);
diff --git a/core/java/com/android/internal/protolog/LogcatOnlyProtoLogImpl.java b/core/java/com/android/internal/protolog/LogcatOnlyProtoLogImpl.java
index ebdad6d..e8d5195 100644
--- a/core/java/com/android/internal/protolog/LogcatOnlyProtoLogImpl.java
+++ b/core/java/com/android/internal/protolog/LogcatOnlyProtoLogImpl.java
@@ -79,9 +79,4 @@
     public boolean isEnabled(IProtoLogGroup group, LogLevel level) {
         return true;
     }
-
-    @Override
-    public void registerGroups(IProtoLogGroup... protoLogGroups) {
-        // Does nothing
-    }
 }
diff --git a/core/java/com/android/internal/protolog/PerfettoProtoLogImpl.java b/core/java/com/android/internal/protolog/PerfettoProtoLogImpl.java
index 79a5469..7d12d49 100644
--- a/core/java/com/android/internal/protolog/PerfettoProtoLogImpl.java
+++ b/core/java/com/android/internal/protolog/PerfettoProtoLogImpl.java
@@ -89,6 +89,7 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReentrantLock;
+import java.util.stream.Stream;
 
 /**
  * A service for the ProtoLog logging system.
@@ -125,17 +126,18 @@
     private final Lock mBackgroundServiceLock = new ReentrantLock();
     private ExecutorService mBackgroundLoggingService = Executors.newSingleThreadExecutor();
 
-    public PerfettoProtoLogImpl() {
-        this(null, null, null, () -> {});
+    public PerfettoProtoLogImpl(@NonNull IProtoLogGroup[] groups) {
+        this(null, null, null, () -> {}, groups);
     }
 
-    public PerfettoProtoLogImpl(@NonNull Runnable cacheUpdater) {
-        this(null, null, null, cacheUpdater);
+    public PerfettoProtoLogImpl(@NonNull Runnable cacheUpdater, @NonNull IProtoLogGroup[] groups) {
+        this(null, null, null, cacheUpdater, groups);
     }
 
     public PerfettoProtoLogImpl(
             @NonNull String viewerConfigFilePath,
-            @NonNull Runnable cacheUpdater) {
+            @NonNull Runnable cacheUpdater,
+            @NonNull IProtoLogGroup[] groups) {
         this(viewerConfigFilePath,
                 null,
                 new ProtoLogViewerConfigReader(() -> {
@@ -146,22 +148,24 @@
                                 "Failed to load viewer config file " + viewerConfigFilePath, e);
                     }
                 }),
-                cacheUpdater);
+                cacheUpdater, groups);
     }
 
     @VisibleForTesting
     public PerfettoProtoLogImpl(
             @Nullable ViewerConfigInputStreamProvider viewerConfigInputStreamProvider,
             @Nullable ProtoLogViewerConfigReader viewerConfigReader,
-            @NonNull Runnable cacheUpdater) {
-        this(null, viewerConfigInputStreamProvider, viewerConfigReader, cacheUpdater);
+            @NonNull Runnable cacheUpdater,
+            @NonNull IProtoLogGroup[] groups) {
+        this(null, viewerConfigInputStreamProvider, viewerConfigReader, cacheUpdater, groups);
     }
 
     private PerfettoProtoLogImpl(
             @Nullable String viewerConfigFilePath,
             @Nullable ViewerConfigInputStreamProvider viewerConfigInputStreamProvider,
             @Nullable ProtoLogViewerConfigReader viewerConfigReader,
-            @NonNull Runnable cacheUpdater) {
+            @NonNull Runnable cacheUpdater,
+            @NonNull IProtoLogGroup[] groups) {
         if (viewerConfigFilePath != null && viewerConfigInputStreamProvider != null) {
             throw new RuntimeException("Only one of viewerConfigFilePath and "
                     + "viewerConfigInputStreamProvider can be set");
@@ -179,6 +183,8 @@
         this.mViewerConfigReader = viewerConfigReader;
         this.mCacheUpdater = cacheUpdater;
 
+        registerGroupsLocally(groups);
+
         if (android.tracing.Flags.clientSideProtoLogging()) {
             mProtoLogService =
                     IProtoLogService.Stub.asInterface(ServiceManager.getService(PROTOLOG_SERVICE));
@@ -192,6 +198,12 @@
                     args.setViewerConfigFile(viewerConfigFilePath);
                 }
 
+                final var groupArgs = Stream.of(groups)
+                        .map(group -> new ProtoLogService.RegisterClientArgs.GroupConfig(
+                                group.name(), group.isLogToLogcat()))
+                        .toArray(ProtoLogService.RegisterClientArgs.GroupConfig[]::new);
+                args.setGroups(groupArgs);
+
                 mProtoLogService.registerClient(this, args);
             } catch (RemoteException e) {
                 throw new RuntimeException("Failed to register ProtoLog client");
@@ -294,19 +306,18 @@
                 || group.isLogToLogcat();
     }
 
-    @Override
-    public void registerGroups(IProtoLogGroup... protoLogGroups) {
+    private void registerGroupsLocally(@NonNull IProtoLogGroup[] protoLogGroups) {
+        final var groupsLoggingToLogcat = new ArrayList<String>();
         for (IProtoLogGroup protoLogGroup : protoLogGroups) {
             mLogGroups.put(protoLogGroup.name(), protoLogGroup);
+
+            if (protoLogGroup.isLogToLogcat()) {
+                groupsLoggingToLogcat.add(protoLogGroup.name());
+            }
         }
 
-        final String[] groupsLoggingToLogcat = Arrays.stream(protoLogGroups)
-                .filter(IProtoLogGroup::isLogToLogcat)
-                .map(IProtoLogGroup::name)
-                .toArray(String[]::new);
-
         if (mViewerConfigReader != null) {
-            mViewerConfigReader.loadViewerConfig(groupsLoggingToLogcat);
+            mViewerConfigReader.loadViewerConfig(groupsLoggingToLogcat.toArray(new String[0]));
         }
     }
 
diff --git a/core/java/com/android/internal/protolog/ProtoLog.java b/core/java/com/android/internal/protolog/ProtoLog.java
index 87678e5..f9b9894 100644
--- a/core/java/com/android/internal/protolog/ProtoLog.java
+++ b/core/java/com/android/internal/protolog/ProtoLog.java
@@ -50,6 +50,24 @@
     private static IProtoLog sProtoLogInstance;
 
     /**
+     * Initialize ProtoLog in this process.
+     * <p>
+     * This method MUST be called before any protologging is performed in this process.
+     * Ensure that all groups that will be used for protologging are registered.
+     *
+     * @param groups The ProtoLog groups that will be used in the process.
+     */
+    public static void init(IProtoLogGroup... groups) {
+        if (android.tracing.Flags.perfettoProtologTracing()) {
+            sProtoLogInstance = new PerfettoProtoLogImpl(groups);
+        } else {
+            // The first call to ProtoLog is likely to flip REQUIRE_PROTOLOGTOOL, which is when this
+            // static block will be executed before REQUIRE_PROTOLOGTOOL is actually set.
+            sProtoLogInstance = new LogcatOnlyProtoLogImpl();
+        }
+    }
+
+    /**
      * DEBUG level log.
      *
      * @param group         {@code IProtoLogGroup} controlling this log call.
@@ -150,14 +168,6 @@
         return sProtoLogInstance;
     }
 
-    /**
-     * Registers available protolog groups. A group must be registered before it can be used.
-     * @param protoLogGroups The groups to register for use in protolog.
-     */
-    public static void registerGroups(IProtoLogGroup... protoLogGroups) {
-        sProtoLogInstance.registerGroups(protoLogGroups);
-    }
-
     private static void logStringMessage(LogLevel logLevel, IProtoLogGroup group,
             String stringMessage, Object... args) {
         if (sProtoLogInstance == null) {
@@ -169,14 +179,4 @@
             sProtoLogInstance.log(logLevel, group, stringMessage, args);
         }
     }
-
-    static {
-        if (android.tracing.Flags.perfettoProtologTracing()) {
-            sProtoLogInstance = new PerfettoProtoLogImpl();
-        } else {
-            // The first call to ProtoLog is likely to flip REQUIRE_PROTOLOGTOOL, which is when this
-            // static block will be executed before REQUIRE_PROTOLOGTOOL is actually set.
-            sProtoLogInstance = new LogcatOnlyProtoLogImpl();
-        }
-    }
 }
diff --git a/core/java/com/android/internal/protolog/ProtoLogImpl.java b/core/java/com/android/internal/protolog/ProtoLogImpl.java
index 8659a8f..da6d8cf 100644
--- a/core/java/com/android/internal/protolog/ProtoLogImpl.java
+++ b/core/java/com/android/internal/protolog/ProtoLogImpl.java
@@ -93,35 +93,30 @@
     }
 
     /**
-     * Registers available protolog groups. A group must be registered before it can be used.
-     * @param protoLogGroups The groups to register for use in protolog.
-     */
-    public static void registerGroups(IProtoLogGroup... protoLogGroups) {
-        getSingleInstance().registerGroups(protoLogGroups);
-    }
-
-    /**
      * Returns the single instance of the ProtoLogImpl singleton class.
      */
     public static synchronized IProtoLog getSingleInstance() {
         if (sServiceInstance == null) {
+            final var groups = sLogGroups.values().toArray(new IProtoLogGroup[0]);
+
             if (android.tracing.Flags.perfettoProtologTracing()) {
                 File f = new File(sViewerConfigPath);
                 if (!ProtoLog.REQUIRE_PROTOLOGTOOL && !f.exists()) {
                     // TODO(b/353530422): Remove - temporary fix to unblock b/352290057
-                    // In so tests the viewer config file might not exist in which we don't
+                    // In some tests the viewer config file might not exist in which we don't
                     // want to provide config path to the user
-                    sServiceInstance = new PerfettoProtoLogImpl(sCacheUpdater);
+                    sServiceInstance = new PerfettoProtoLogImpl(sCacheUpdater, groups);
                 } else {
-                    sServiceInstance = new PerfettoProtoLogImpl(sViewerConfigPath, sCacheUpdater);
+                    sServiceInstance =
+                            new PerfettoProtoLogImpl(sViewerConfigPath, sCacheUpdater, groups);
                 }
             } else {
-                sServiceInstance = new LegacyProtoLogImpl(
+                var protologImpl = new LegacyProtoLogImpl(
                         sLegacyOutputFilePath, sLegacyViewerConfigPath, sCacheUpdater);
+                protologImpl.registerGroups(groups);
+                sServiceInstance = protologImpl;
             }
 
-            IProtoLogGroup[] groups = sLogGroups.values().toArray(new IProtoLogGroup[0]);
-            sServiceInstance.registerGroups(groups);
             sCacheUpdater.run();
         }
         return sServiceInstance;
diff --git a/core/java/com/android/internal/protolog/common/IProtoLog.java b/core/java/com/android/internal/protolog/common/IProtoLog.java
index f5695ac..d5c2ac1 100644
--- a/core/java/com/android/internal/protolog/common/IProtoLog.java
+++ b/core/java/com/android/internal/protolog/common/IProtoLog.java
@@ -68,10 +68,4 @@
      * @return If we need to log this group and level to either ProtoLog or Logcat.
      */
     boolean isEnabled(IProtoLogGroup group, LogLevel level);
-
-    /**
-     * Registers available protolog groups. A group must be registered before it can be used.
-     * @param protoLogGroups The groups to register for use in protolog.
-     */
-    void registerGroups(IProtoLogGroup... protoLogGroups);
 }
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/sysui/ShellInit.java b/libs/WindowManager/Shell/src/com/android/wm/shell/sysui/ShellInit.java
index 287e779..1140c82 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/sysui/ShellInit.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/sysui/ShellInit.java
@@ -48,7 +48,7 @@
 
     public ShellInit(ShellExecutor mainExecutor) {
         mMainExecutor = mainExecutor;
-        ProtoLog.registerGroups(ShellProtoLogGroup.values());
+        ProtoLog.init(ShellProtoLogGroup.values());
     }
 
     /**
diff --git a/tests/Internal/src/com/android/internal/protolog/PerfettoProtoLogImplTest.java b/tests/Internal/src/com/android/internal/protolog/PerfettoProtoLogImplTest.java
index 4b745b2..4826f42 100644
--- a/tests/Internal/src/com/android/internal/protolog/PerfettoProtoLogImplTest.java
+++ b/tests/Internal/src/com/android/internal/protolog/PerfettoProtoLogImplTest.java
@@ -43,7 +43,6 @@
 import android.tracing.perfetto.DataSource;
 import android.util.proto.ProtoInputStream;
 
-import androidx.test.filters.SmallTest;
 import androidx.test.platform.app.InstrumentationRegistry;
 
 import com.android.internal.protolog.common.IProtoLogGroup;
@@ -73,7 +72,6 @@
  * Test class for {@link ProtoLogImpl}.
  */
 @SuppressWarnings("ConstantConditions")
-@SmallTest
 @Presubmit
 @RunWith(JUnit4.class)
 public class PerfettoProtoLogImplTest {
@@ -166,8 +164,7 @@
         mReader = Mockito.spy(new ProtoLogViewerConfigReader(viewerConfigInputStreamProvider));
         mProtoLog = new PerfettoProtoLogImpl(
                 viewerConfigInputStreamProvider, mReader,
-                () -> mCacheUpdater.run());
-        mProtoLog.registerGroups(TestProtoLogGroup.values());
+                () -> mCacheUpdater.run(), TestProtoLogGroup.values());
     }
 
     @After
diff --git a/tools/protologtool/src/com/android/protolog/tool/ProtoLogCallProcessorImpl.kt b/tools/protologtool/src/com/android/protolog/tool/ProtoLogCallProcessorImpl.kt
index 3c99e68..c3595b7 100644
--- a/tools/protologtool/src/com/android/protolog/tool/ProtoLogCallProcessorImpl.kt
+++ b/tools/protologtool/src/com/android/protolog/tool/ProtoLogCallProcessorImpl.kt
@@ -120,7 +120,7 @@
 
                         logCallVisitor?.processCall(call, messageString, getLevelForMethodName(
                             call.name.toString(), call, context), groupMap.getValue(groupName))
-                    } else if (call.name.id == "initialize") {
+                    } else if (call.name.id == "init") {
                         // No processing
                     } else {
                         // Process non-log message calls