Dumpsys support for IncrementalService. (18b07a42) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/incremental/IncrementalManagerService.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -32,7 +32,10 @@ import android.os.ShellCallback;
		import android.os.incremental.IIncrementalManager;
		import android.util.Slog;

		import com.android.internal.util.DumpUtils;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;

		/**
		* This service has the following purposes:
		@@ -71,6 +74,13 @@ public class IncrementalManagerService extends IIncrementalManager.Stub {
		mNativeInstance = nativeStartService();
		}

		@SuppressWarnings("resource")
		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return;
		nativeDump(mNativeInstance, fd.getInt$());
		}

		/**
		* Notifies native IIncrementalManager service that system is ready.
		*/
		@@ -158,4 +168,6 @@ public class IncrementalManagerService extends IIncrementalManager.Stub {
		private static native long nativeStartService();

		private static native void nativeSystemReady(long nativeInstance);

		private static native void nativeDump(long nativeInstance, int fd);
		}

services/core/jni/com_android_server_incremental_IncrementalManagerService.cpp

+5 −0

Original line number	Diff line number	Diff line
		@@ -33,9 +33,14 @@ static void nativeSystemReady(JNIEnv* env, jclass klass, jlong self) {
		Incremental_IncrementalService_OnSystemReady(self);
		}

		static void nativeDump(JNIEnv* env, jclass klass, jlong self, jint fd) {
		Incremental_IncrementalService_OnDump(self, fd);
		}

		static const JNINativeMethod method_table[] = {
		{"nativeStartService", "()J", (void*)nativeStartService},
		{"nativeSystemReady", "(J)V", (void*)nativeSystemReady},
		{"nativeDump", "(JI)V", (void*)nativeDump},
		};

		int register_android_server_incremental_IncrementalManagerService(JNIEnv* env) {

services/incremental/BinderIncrementalService.cpp

+16 −2

Original line number	Diff line number	Diff line
		@@ -17,12 +17,14 @@
		#include "BinderIncrementalService.h"

		#include <binder/IResultReceiver.h>
		#include <binder/PermissionCache.h>
		#include <incfs.h>

		#include "ServiceWrappers.h"
		#include "jni.h"
		#include "nativehelper/JNIHelp.h"
		#include "path.h"
		#include <android-base/logging.h>

		using namespace std::literals;
		using namespace android::incremental;
		@@ -90,8 +92,13 @@ BinderIncrementalService* BinderIncrementalService::start() {
		return self.get();
		}

		status_t BinderIncrementalService::dump(int fd, const Vector<String16>& args) {
		return OK;
		status_t BinderIncrementalService::dump(int fd, const Vector<String16>&) {
		static const String16 kDump("android.permission.DUMP");
		if (!PermissionCache::checkCallingPermission(kDump)) {
		return PERMISSION_DENIED;
		}
		mImpl.onDump(fd);
		return NO_ERROR;
		}

		void BinderIncrementalService::onSystemReady() {
		@@ -280,3 +287,10 @@ void Incremental_IncrementalService_OnSystemReady(jlong self) {
		((android::os::incremental::BinderIncrementalService*)self)->onSystemReady();
		}
		}
		void Incremental_IncrementalService_OnDump(jlong self, jint fd) {
		if (self) {
		((android::os::incremental::BinderIncrementalService*)self)->dump(fd, {});
		} else {
		dprintf(fd, "BinderIncrementalService is stopped.");
		}
		}

services/incremental/IncrementalService.cpp

+63 −0

Original line number	Diff line number	Diff line
		@@ -35,6 +35,7 @@
		#include <uuid/uuid.h>
		#include <zlib.h>

		#include <ctime>
		#include <iterator>
		#include <span>
		#include <stack>
		@@ -256,6 +257,68 @@ FileId IncrementalService::idFromMetadata(std::span<const uint8_t> metadata) {

		IncrementalService::~IncrementalService() = default;

		inline const char* toString(TimePoint t) {
		using SystemClock = std::chrono::system_clock;
		time_t time = SystemClock::to_time_t(SystemClock::now() + std::chrono::duration_cast<SystemClock::duration>(t - Clock::now()));
		return std::ctime(&time);
		}

		inline const char* toString(IncrementalService::BindKind kind) {
		switch (kind) {
		case IncrementalService::BindKind::Temporary:
		return "Temporary";
		case IncrementalService::BindKind::Permanent:
		return "Permanent";
		}
		}

		void IncrementalService::onDump(int fd) {
		dprintf(fd, "Incremental is %s\n", incfs::enabled() ? "ENABLED" : "DISABLED");
		dprintf(fd, "Incremental dir: %s\n", mIncrementalDir.c_str());

		std::unique_lock l(mLock);

		dprintf(fd, "Mounts (%d):\n", int(mMounts.size()));
		for (auto&& [id, ifs] : mMounts) {
		const IncFsMount& mnt = *ifs.get();
		dprintf(fd, "\t[%d]:\n", id);
		dprintf(fd, "\t\tmountId: %d\n", mnt.mountId);
		dprintf(fd, "\t\tnextStorageDirNo: %d\n", mnt.nextStorageDirNo.load());
		dprintf(fd, "\t\tdataLoaderStatus: %d\n", mnt.dataLoaderStatus.load());
		dprintf(fd, "\t\tconnectionLostTime: %s\n", toString(mnt.connectionLostTime));
		if (mnt.savedDataLoaderParams) {
		const auto& params = mnt.savedDataLoaderParams.value();
		dprintf(fd, "\t\tsavedDataLoaderParams:\n");
		dprintf(fd, "\t\t\ttype: %s\n", toString(params.type).c_str());
		dprintf(fd, "\t\t\tpackageName: %s\n", params.packageName.c_str());
		dprintf(fd, "\t\t\tclassName: %s\n", params.className.c_str());
		dprintf(fd, "\t\t\targuments: %s\n", params.arguments.c_str());
		dprintf(fd, "\t\t\tdynamicArgs: %d\n", int(params.dynamicArgs.size()));
		}
		dprintf(fd, "\t\tstorages (%d):\n", int(mnt.storages.size()));
		for (auto&& [storageId, storage] : mnt.storages) {
		dprintf(fd, "\t\t\t[%d] -> [%s]\n", storageId, storage.name.c_str());
		}

		dprintf(fd, "\t\tbindPoints (%d):\n", int(mnt.bindPoints.size()));
		for (auto&& [target, bind] : mnt.bindPoints) {
		dprintf(fd, "\t\t\t[%s]->[%d]:\n", target.c_str(), bind.storage);
		dprintf(fd, "\t\t\t\tsavedFilename: %s\n", bind.savedFilename.c_str());
		dprintf(fd, "\t\t\t\tsourceDir: %s\n", bind.sourceDir.c_str());
		dprintf(fd, "\t\t\t\tkind: %s\n", toString(bind.kind));
		}
		}

		dprintf(fd, "Sorted binds (%d):\n", int(mBindsByPath.size()));
		for (auto&& [target, mountPairIt] : mBindsByPath) {
		const auto& bind = mountPairIt->second;
		dprintf(fd, "\t\t[%s]->[%d]:\n", target.c_str(), bind.storage);
		dprintf(fd, "\t\t\tsavedFilename: %s\n", bind.savedFilename.c_str());
		dprintf(fd, "\t\t\tsourceDir: %s\n", bind.sourceDir.c_str());
		dprintf(fd, "\t\t\tkind: %s\n", toString(bind.kind));
		}
		}

		std::optional<std::future<void>> IncrementalService::onSystemReady() {
		std::promise<void> threadFinished;
		if (mSystemReady.exchange(true)) {

services/incremental/IncrementalService.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -90,6 +90,8 @@ public:
		return idFromMetadata({(const uint8_t*)metadata.data(), metadata.size()});
		}

		void onDump(int fd);

		std::optional<std::future<void>> onSystemReady();

		StorageId createStorage(std::string_view mountPoint,