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Commit a07975e7 authored by Makoto Onuki's avatar Makoto Onuki
Browse files

Make the log format more realistic 

Now the log format is mostly same as the device one.

Flag: EXEMPT host test change only
Bug: 292141694
Test: atest RavenwoodBivalentTest
Change-Id: I569b4b042f7c567f263b5638933ad90c6e1e5f7d
parent aaee6ced

core/java/android/util/Log.java

+1 −1
Original line number Diff line number Diff line
@@ -75,7 +75,7 @@ import java.net.UnknownHostException; 
@android.ravenwood.annotation.RavenwoodClassLoadHook(

        "com.android.platform.test.ravenwood.runtimehelper.ClassLoadHook.onClassLoaded")

// Uncomment the following annotation to switch to the Java substitution version.

@android.ravenwood.annotation.RavenwoodRedirectionClass("Log_host")

@android.ravenwood.annotation.RavenwoodRedirectionClass("Log_ravenwood")

public final class Log {

    /** @hide */

    @IntDef({ASSERT, ERROR, WARN, INFO, DEBUG, VERBOSE})

ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java

+6 −3
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@ import android.provider.DeviceConfig_host; 
import android.system.ErrnoException;

import android.system.Os;

import android.util.Log;

import android.util.Log_ravenwood;

import android.view.DisplayAdjustments;



import androidx.test.platform.app.InstrumentationRegistry;
@@ -219,6 +220,9 @@ public class RavenwoodRuntimeEnvironmentController { 
        // Some process-wide initialization. (maybe redirect stdout/stderr)

        RavenwoodCommonUtils.loadJniLibrary(LIBRAVENWOOD_INITIALIZER_NAME);



        // Redirect stdout/stdin to the Log API.

        RuntimeInit.redirectLogStreams();



        dumpCommandLineArgs();



        // We haven't initialized liblog yet, so directly write to System.out here.
@@ -232,6 +236,8 @@ public class RavenwoodRuntimeEnvironmentController { 
        // Make sure libravenwood_runtime is loaded.

        System.load(RavenwoodCommonUtils.getJniLibraryPath(RAVENWOOD_NATIVE_RUNTIME_NAME));



        Log_ravenwood.onRavenwoodRuntimeNativeReady();



        // Do the basic set up for the android sysprops.

        RavenwoodSystemProperties.initialize();

        setSystemProperties(null);
@@ -250,9 +256,6 @@ public class RavenwoodRuntimeEnvironmentController { 
        // Make sure libandroid_runtime is loaded.

        RavenwoodNativeLoader.loadFrameworkNativeCode();



        // Redirect stdout/stdin to liblog.

        RuntimeInit.redirectLogStreams();



        // Touch some references early to ensure they're <clinit>'ed

        Objects.requireNonNull(Build.TYPE);

        Objects.requireNonNull(Build.VERSION.SDK);

ravenwood/runtime-helper-src/framework/android/util/Log_host.java→ravenwood/runtime-helper-src/framework/android/util/Log_ravenwood.java

+43 −11
Original line number Diff line number Diff line
@@ -18,9 +18,13 @@ package android.util; 
import android.util.Log.Level;



import com.android.internal.os.RuntimeInit;

import com.android.ravenwood.RavenwoodRuntimeNative;

import com.android.ravenwood.common.RavenwoodCommonUtils;



import java.io.PrintStream;

import java.text.SimpleDateFormat;

import java.util.Date;

import java.util.Locale;



/**

 * Ravenwood "native substitution" class for {@link android.util.Log}.
@@ -29,7 +33,10 @@ import java.io.PrintStream; 
 * In order to switch to this Java implementation, uncomment the @RavenwoodNativeSubstitutionClass

 * annotation on {@link android.util.Log}.

 */

public class Log_host {

public class Log_ravenwood {



    public static final SimpleDateFormat sTimestampFormat =

            new SimpleDateFormat("MM-dd HH:mm:ss.SSS", Locale.US);



    public static boolean isLoggable(String tag, @Level int level) {

        return true;
@@ -39,15 +46,6 @@ public class Log_host { 
        if (priority < Log.INFO && !RavenwoodCommonUtils.RAVENWOOD_VERBOSE_LOGGING) {

            return msg.length(); // No verbose logging.

        }

        final String buffer;

        switch (bufID) {

            case Log.LOG_ID_MAIN: buffer = "main"; break;

            case Log.LOG_ID_RADIO: buffer = "radio"; break;

            case Log.LOG_ID_EVENTS: buffer = "event"; break;

            case Log.LOG_ID_SYSTEM: buffer = "system"; break;

            case Log.LOG_ID_CRASH: buffer = "crash"; break;

            default: buffer = "buf:" + bufID; break;

        }



        final String prio;

        switch (priority) {
@@ -60,8 +58,12 @@ public class Log_host { 
            default: prio = "prio:" + priority; break;

        }



        String leading =  sTimestampFormat.format(new Date())

                + " %-6d %-6d %s %-8s: ".formatted(getPid(), getTid(), prio, tag);

        var out = getRealOut();

        for (String s : msg.split("\\n")) {

            getRealOut().println(String.format("logd: [%s] %s %s: %s", buffer, prio, tag, s));

            out.print(leading);

            out.println(s);

        }

        return msg.length();

    }
@@ -81,4 +83,34 @@ public class Log_host { 
            return System.out;

        }

    }



    /**

     * PID. We need to use a JNI method to get it, but JNI isn't initially ready.

     * Call {@link #onRavenwoodRuntimeNativeReady} to signal when JNI is ready, at which point

     * we set this field.

     * (We don't want to call native methods that may not be fully initialized even with a

     * try-catch, because partially initialized JNI methods could crash the process.)

     */

    private static volatile int sPid = 0;



    private static ThreadLocal<Integer> sTid =

            ThreadLocal.withInitial(RavenwoodRuntimeNative::gettid);



    /**

     * Call it when {@link RavenwoodRuntimeNative} is usable.

     */

    public static void onRavenwoodRuntimeNativeReady() {

        sPid = RavenwoodRuntimeNative.getpid();

    }



    private static int getPid() {

        return sPid;

    }



    private static int getTid() {

        if (sPid == 0) {

            return 0; // Native methods not ready yet.

        }

        return sTid.get();

    }

}

ravenwood/runtime-helper-src/libcore-fake/com/android/ravenwood/RavenwoodRuntimeNative.java

+2 −0
Original line number Diff line number Diff line
@@ -58,6 +58,8 @@ public class RavenwoodRuntimeNative { 


    public static native void clearSystemProperties();



    public static native int getpid();



    public static native int gettid();



    public static long lseek(FileDescriptor fd, long offset, int whence) throws ErrnoException {

ravenwood/runtime-jni/ravenwood_runtime.cpp

+4 −0
Original line number Diff line number Diff line
@@ -174,6 +174,9 @@ static void Linux_setenv(JNIEnv* env, jobject, jstring javaName, jstring javaVal 
    throwIfMinusOne(env, "setenv", setenv(name.c_str(), value.c_str(), overwrite ? 1 : 0));

}



static jint Linux_getpid(JNIEnv* env, jobject) {

    return getpid();

}



static jint Linux_gettid(JNIEnv* env, jobject) {

    // gettid(2() was added in glibc 2.30 but Android uses an older version in prebuilt.
@@ -196,6 +199,7 @@ static const JNINativeMethod sMethods[] = 
    { "stat", "(Ljava/lang/String;)Landroid/system/StructStat;", (void*)Linux_stat },

    { "nOpen", "(Ljava/lang/String;II)I", (void*)Linux_open },

    { "setenv", "(Ljava/lang/String;Ljava/lang/String;Z)V", (void*)Linux_setenv },

    { "getpid", "()I", (void*)Linux_getpid },

    { "gettid", "()I", (void*)Linux_gettid },

};