Merge "android.os.VintfObject: add API for EDI." into oc-dev (718688f3) · Commits · e / os / android_frameworks_base

core/java/android/os/VintfObject.java

+28 −3

Original line number	Diff line number	Diff line
		@@ -16,14 +16,17 @@

		package android.os;

		import java.util.ArrayList;
		import java.util.Map;

		import android.util.Log;

		/** @hide */
		/**
		* Java API for libvintf.
		* @hide
		*/
		public class VintfObject {

		private static final String LOG_TAG = "VintfObject";
		/// ---------- OTA

		/**
		* Slurps all device information (both manifests and both matrices)
		@@ -45,4 +48,26 @@ public class VintfObject {
		*/
		public static native int verify(String[] packageInfo);

		/// ---------- CTS Device Info

		/**
		* @return a list of HAL names and versions that is supported by this
		* device as stated in device and framework manifests. For example,
		* ["android.hidl.manager@1.0", "android.hardware.camera.device@1.0",
		* "android.hardware.camera.device@3.2"]. There are no duplicates.
		*/
		public static native String[] getHalNamesAndVersions();

		/**
		* @return the BOARD_SEPOLICY_VERS build flag available in device manifest.
		*/
		public static native String getSepolicyVersion();

		/**
		* @return a list of VNDK snapshots supported by the framework, as
		* specified in framework manifest. For example,
		* [("25.0.5", ["libjpeg.so", "libbase.so"]),
		* ("25.1.3", ["libjpeg.so", "libbase.so"])]
		*/
		public static native Map<String, String[]> getVndkSnapshots();
		}

core/jni/android_os_VintfObject.cpp

+69 −7

Original line number	Diff line number	Diff line
		@@ -23,23 +23,34 @@

		#include <JNIHelp.h>
		#include <vintf/VintfObject.h>
		#include <vintf/parse_string.h>
		#include <vintf/parse_xml.h>

		#include "core_jni_helpers.h"

		static jclass gString;
		static jclass gHashMapClazz;
		static jmethodID gHashMapInit;
		static jmethodID gHashMapPut;

		namespace android {

		using vintf::HalManifest;
		using vintf::SchemaType;
		using vintf::VintfObject;
		using vintf::XmlConverter;
		using vintf::Vndk;
		using vintf::gHalManifestConverter;
		using vintf::gCompatibilityMatrixConverter;
		using vintf::XmlConverter;
		using vintf::to_string;

		static inline jobjectArray toJavaStringArray(JNIEnv* env, const std::vector<std::string>& v) {
		template<typename V>
		static inline jobjectArray toJavaStringArray(JNIEnv* env, const V& v) {
		size_t i;
		typename V::const_iterator it;
		jobjectArray ret = env->NewObjectArray(v.size(), gString, NULL /* init element */);
		for (size_t i = 0; i < v.size(); ++i) {
		env->SetObjectArrayElement(ret, i, env->NewStringUTF(v[i].c_str()));
		for (i = 0, it = v.begin(); it != v.end(); ++i, ++it) {
		env->SetObjectArrayElement(ret, i, env->NewStringUTF(it->c_str()));
		}
		return ret;
		}
		@@ -55,7 +66,18 @@ static void tryAddSchema(const T* object, const XmlConverter<T>& converter,
		}
		}

		static jobjectArray android_os_VintfObject_report(JNIEnv* env, jclass clazz)
		static void tryAddHalNamesAndVersions(const HalManifest *manifest,
		const std::string& description,
		std::set<std::string> *output) {
		if (manifest == nullptr) {
		LOG(WARNING) << __FUNCTION__ << "Cannot get " << description;
		} else {
		auto names = manifest->getHalNamesAndVersions();
		output->insert(names.begin(), names.end());
		}
		}

		static jobjectArray android_os_VintfObject_report(JNIEnv* env, jclass)
		{
		std::vector<std::string> cStrings;

		@@ -71,7 +93,7 @@ static jobjectArray android_os_VintfObject_report(JNIEnv* env, jclass clazz)
		return toJavaStringArray(env, cStrings);
		}

		static jint android_os_VintfObject_verify(JNIEnv *env, jclass clazz, jobjectArray packageInfo) {
		static jint android_os_VintfObject_verify(JNIEnv* env, jclass, jobjectArray packageInfo) {
		size_t count = env->GetArrayLength(packageInfo);
		std::vector<std::string> cPackageInfo{count};
		for (size_t i = 0; i < count; ++i) {
		@@ -84,20 +106,60 @@ static jint android_os_VintfObject_verify(JNIEnv *env, jclass clazz, jobjectArra
		return status;
		}

		static jobjectArray android_os_VintfObject_getHalNamesAndVersions(JNIEnv* env, jclass) {
		std::set<std::string> halNames;
		tryAddHalNamesAndVersions(VintfObject::GetDeviceHalManifest(),
		"device manifest", &halNames);
		tryAddHalNamesAndVersions(VintfObject::GetFrameworkHalManifest(),
		"framework manifest", &halNames);
		return toJavaStringArray(env, halNames);
		}

		static jstring android_os_VintfObject_getSepolicyVersion(JNIEnv* env, jclass) {
		const HalManifest *manifest = VintfObject::GetDeviceHalManifest();
		if (manifest == nullptr \|\| manifest->type() != SchemaType::DEVICE) {
		LOG(WARNING) << __FUNCTION__ << "Cannot get device manifest";
		return nullptr;
		}
		std::string cString = to_string(manifest->sepolicyVersion());
		return env->NewStringUTF(cString.c_str());
		}

		static jobject android_os_VintfObject_getVndkSnapshots(JNIEnv* env, jclass) {
		const HalManifest *manifest = VintfObject::GetFrameworkHalManifest();
		if (manifest == nullptr \|\| manifest->type() != SchemaType::FRAMEWORK) {
		LOG(WARNING) << __FUNCTION__ << "Cannot get framework manifest";
		return nullptr;
		}
		jobject jMap = env->NewObject(gHashMapClazz, gHashMapInit);
		for (const Vndk &vndk : manifest->vndks()) {
		std::string key = to_string(vndk.versionRange());
		env->CallObjectMethod(jMap, gHashMapPut,
		env->NewStringUTF(key.c_str()), toJavaStringArray(env, vndk.libraries()));
		}
		return jMap;
		}

		// ----------------------------------------------------------------------------

		static const JNINativeMethod gVintfObjectMethods[] = {
		{"report", "()[Ljava/lang/String;", (void*)android_os_VintfObject_report},
		{"verify", "([Ljava/lang/String;)I", (void*)android_os_VintfObject_verify},
		{"getHalNamesAndVersions", "()[Ljava/lang/String;", (void*)android_os_VintfObject_getHalNamesAndVersions},
		{"getSepolicyVersion", "()Ljava/lang/String;", (void*)android_os_VintfObject_getSepolicyVersion},
		{"getVndkSnapshots", "()Ljava/util/Map;", (void*)android_os_VintfObject_getVndkSnapshots},
		};


		const char* const kVintfObjectPathName = "android/os/VintfObject";

		int register_android_os_VintfObject(JNIEnv* env)
		{

		gString = MakeGlobalRefOrDie(env, FindClassOrDie(env, "java/lang/String"));
		gHashMapClazz = MakeGlobalRefOrDie(env, FindClassOrDie(env, "java/util/HashMap"));
		gHashMapInit = GetMethodIDOrDie(env, gHashMapClazz, "<init>", "()V");
		gHashMapPut = GetMethodIDOrDie(env, gHashMapClazz,
		"put", "(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;");

		return RegisterMethodsOrDie(env, kVintfObjectPathName, gVintfObjectMethods,
		NELEM(gVintfObjectMethods));