diff --git a/drm/libmediadrm/DrmHalAidl.cpp b/drm/libmediadrm/DrmHalAidl.cpp
new file mode 100644
index 0000000..7df57a3
--- /dev/null
+++ b/drm/libmediadrm/DrmHalAidl.cpp
@@ -0,0 +1,1326 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "DrmHalAidl"
+
+#include <android/binder_auto_utils.h>
+#include <android/binder_manager.h>
+#include <media/PluginMetricsReporting.h>
+#include <media/stagefright/foundation/ADebug.h>
+#include <media/stagefright/foundation/AString.h>
+#include <media/stagefright/foundation/base64.h>
+#include <media/stagefright/foundation/hexdump.h>
+#include <mediadrm/DrmHalAidl.h>
+#include <mediadrm/DrmSessionManager.h>
+#include <mediadrm/DrmUtils.h>
+
+using ::android::DrmUtils::toStatusTAidl;
+
+using ::aidl::android::hardware::drm::DrmMetricNamedValue;
+using ::aidl::android::hardware::drm::DrmMetricValue;
+using ::aidl::android::hardware::drm::HdcpLevel;
+using ::aidl::android::hardware::drm::HdcpLevels;
+using ::aidl::android::hardware::drm::KeyRequest;
+using ::aidl::android::hardware::drm::KeyRequestType;
+using ::aidl::android::hardware::drm::KeySetId;
+using ::aidl::android::hardware::drm::KeyStatus;
+using ::aidl::android::hardware::drm::KeyStatusType;
+using ::aidl::android::hardware::drm::KeyType;
+using ::aidl::android::hardware::drm::KeyValue;
+using ::aidl::android::hardware::drm::NumberOfSessions;
+using ::aidl::android::hardware::drm::OfflineLicenseState;
+using ::aidl::android::hardware::drm::OpaqueData;
+using ::aidl::android::hardware::drm::ProvideProvisionResponseResult;
+using ::aidl::android::hardware::drm::ProvisionRequest;
+using ::aidl::android::hardware::drm::SecureStop;
+using ::aidl::android::hardware::drm::SecureStopId;
+using ::aidl::android::hardware::drm::SecurityLevel;
+using ::aidl::android::hardware::drm::Status;
+using ::aidl::android::hardware::drm::Uuid;
+using DrmMetricGroupAidl = ::aidl::android::hardware::drm::DrmMetricGroup;
+using DrmMetricGroupHidl = ::android::hardware::drm::V1_1::DrmMetricGroup;
+using DrmMetricAidl = ::aidl::android::hardware::drm::DrmMetric;
+using DrmMetricHidl = ::android::hardware::drm::V1_1::DrmMetricGroup::Metric;
+using ValueHidl = ::android::hardware::drm::V1_1::DrmMetricGroup::Value;
+using AttributeHidl = ::android::hardware::drm::V1_1::DrmMetricGroup::Attribute;
+using IDrmPluginAidl = ::aidl::android::hardware::drm::IDrmPlugin;
+using EventTypeAidl = ::aidl::android::hardware::drm::EventType;
+using KeyStatusAidl = ::aidl::android::hardware::drm::KeyStatus;
+using ::android::hardware::hidl_vec;
+
+namespace {
+
+constexpr char kPropertyDeviceUniqueId[] = "deviceUniqueId";
+constexpr char kEqualsSign[] = "=";
+
+template <typename T>
+std::string toBase64StringNoPad(const T* data, size_t size) {
+    // Note that the base 64 conversion only works with arrays of single-byte
+    // values. If the source is empty or is not an array of single-byte values,
+    // return empty string.
+    if (size == 0 || sizeof(data[0]) != 1) {
+        return "";
+    }
+
+    android::AString outputString;
+    encodeBase64(data, size, &outputString);
+    // Remove trailing equals padding if it exists.
+    while (outputString.size() > 0 && outputString.endsWith(kEqualsSign)) {
+        outputString.erase(outputString.size() - 1, 1);
+    }
+
+    return std::string(outputString.c_str(), outputString.size());
+}
+
+}  // anonymous namespace
+
+namespace android {
+
+#define INIT_CHECK()                             \
+    {                                            \
+        if (mInitCheck != OK) return mInitCheck; \
+    }
+
+static Uuid toAidlUuid(const uint8_t* uuid) {
+    Uuid uuidAidl;
+    uuidAidl.uuid = std::vector<uint8_t>(uuid, uuid + 16);
+    return uuidAidl;
+}
+
+template <typename Byte = uint8_t>
+static std::vector<Byte> toStdVec(const Vector<uint8_t>& vector) {
+    auto v = reinterpret_cast<const Byte*>(vector.array());
+    std::vector<Byte> vec(v, v + vector.size());
+    return vec;
+}
+
+static const Vector<uint8_t> toVector(const std::vector<uint8_t>& vec) {
+    Vector<uint8_t> vector;
+    vector.appendArray(vec.data(), vec.size());
+    return *const_cast<const Vector<uint8_t>*>(&vector);
+}
+
+static String8 toString8(const std::string& string) {
+    return String8(string.c_str());
+}
+
+static std::string toStdString(const String8& string8) {
+    return std::string(string8.string());
+}
+
+static std::vector<KeyValue> toKeyValueVector(const KeyedVector<String8, String8>& keyedVector) {
+    std::vector<KeyValue> stdKeyedVector;
+    for (size_t i = 0; i < keyedVector.size(); i++) {
+        KeyValue keyValue;
+        keyValue.key = toStdString(keyedVector.keyAt(i));
+        keyValue.value = toStdString(keyedVector.valueAt(i));
+        stdKeyedVector.push_back(keyValue);
+    }
+    return stdKeyedVector;
+}
+
+static KeyedVector<String8, String8> toKeyedVector(const std::vector<KeyValue>& keyValueVec) {
+    KeyedVector<String8, String8> keyedVector;
+    for (size_t i = 0; i < keyValueVec.size(); i++) {
+        keyedVector.add(toString8(keyValueVec[i].key), toString8(keyValueVec[i].value));
+    }
+    return keyedVector;
+}
+
+static DrmPlugin::KeyRequestType toKeyRequestType(KeyRequestType keyRequestType) {
+    switch (keyRequestType) {
+        case KeyRequestType::INITIAL:
+            return DrmPlugin::kKeyRequestType_Initial;
+            break;
+        case KeyRequestType::RENEWAL:
+            return DrmPlugin::kKeyRequestType_Renewal;
+            break;
+        case KeyRequestType::RELEASE:
+            return DrmPlugin::kKeyRequestType_Release;
+            break;
+        case KeyRequestType::NONE:
+            return DrmPlugin::kKeyRequestType_None;
+            break;
+        case KeyRequestType::UPDATE:
+            return DrmPlugin::kKeyRequestType_Update;
+            break;
+        default:
+            return DrmPlugin::kKeyRequestType_Unknown;
+            break;
+    }
+}
+
+static List<Vector<uint8_t>> toSecureStops(const std::vector<SecureStop>& aSecureStops) {
+    List<Vector<uint8_t>> secureStops;
+    for (size_t i = 0; i < aSecureStops.size(); i++) {
+        secureStops.push_back(toVector(aSecureStops[i].opaqueData));
+    }
+    return secureStops;
+}
+
+static List<Vector<uint8_t>> toSecureStopIds(const std::vector<SecureStopId>& aSecureStopIds) {
+    List<Vector<uint8_t>> secureStopIds;
+    for (size_t i = 0; i < aSecureStopIds.size(); i++) {
+        secureStopIds.push_back(toVector(aSecureStopIds[i].secureStopId));
+    }
+    return secureStopIds;
+}
+
+static DrmPlugin::HdcpLevel toHdcpLevel(HdcpLevel level) {
+    switch (level) {
+        case HdcpLevel::HDCP_NONE:
+            return DrmPlugin::kHdcpNone;
+        case HdcpLevel::HDCP_V1:
+            return DrmPlugin::kHdcpV1;
+        case HdcpLevel::HDCP_V2:
+            return DrmPlugin::kHdcpV2;
+        case HdcpLevel::HDCP_V2_1:
+            return DrmPlugin::kHdcpV2_1;
+        case HdcpLevel::HDCP_V2_2:
+            return DrmPlugin::kHdcpV2_2;
+        case HdcpLevel::HDCP_V2_3:
+            return DrmPlugin::kHdcpV2_3;
+        case HdcpLevel::HDCP_NO_OUTPUT:
+            return DrmPlugin::kHdcpNoOutput;
+        default:
+            return DrmPlugin::kHdcpLevelUnknown;
+    }
+}
+
+static DrmPlugin::SecurityLevel toSecurityLevel(SecurityLevel level) {
+    switch (level) {
+        case SecurityLevel::SW_SECURE_CRYPTO:
+            return DrmPlugin::kSecurityLevelSwSecureCrypto;
+        case SecurityLevel::SW_SECURE_DECODE:
+            return DrmPlugin::kSecurityLevelSwSecureDecode;
+        case SecurityLevel::HW_SECURE_CRYPTO:
+            return DrmPlugin::kSecurityLevelHwSecureCrypto;
+        case SecurityLevel::HW_SECURE_DECODE:
+            return DrmPlugin::kSecurityLevelHwSecureDecode;
+        case SecurityLevel::HW_SECURE_ALL:
+            return DrmPlugin::kSecurityLevelHwSecureAll;
+        case SecurityLevel::DEFAULT:
+            return DrmPlugin::kSecurityLevelMax;
+        default:
+            return DrmPlugin::kSecurityLevelUnknown;
+    }
+}
+
+static SecurityLevel toAidlSecurityLevel(DrmPlugin::SecurityLevel level) {
+    switch (level) {
+        case DrmPlugin::kSecurityLevelSwSecureCrypto:
+            return SecurityLevel::SW_SECURE_CRYPTO;
+        case DrmPlugin::kSecurityLevelSwSecureDecode:
+            return SecurityLevel::SW_SECURE_DECODE;
+        case DrmPlugin::kSecurityLevelHwSecureCrypto:
+            return SecurityLevel::HW_SECURE_CRYPTO;
+        case DrmPlugin::kSecurityLevelHwSecureDecode:
+            return SecurityLevel::HW_SECURE_DECODE;
+        case DrmPlugin::kSecurityLevelHwSecureAll:
+            return SecurityLevel::HW_SECURE_ALL;
+        case DrmPlugin::kSecurityLevelMax:
+            return SecurityLevel::DEFAULT;
+        default:
+            return SecurityLevel::UNKNOWN;
+    }
+}
+
+static List<Vector<uint8_t>> toKeySetIds(const std::vector<KeySetId>& hKeySetIds) {
+    List<Vector<uint8_t>> keySetIds;
+    for (size_t i = 0; i < hKeySetIds.size(); i++) {
+        keySetIds.push_back(toVector(hKeySetIds[i].keySetId));
+    }
+    return keySetIds;
+}
+
+static DrmPlugin::OfflineLicenseState toOfflineLicenseState(OfflineLicenseState licenseState) {
+    switch (licenseState) {
+        case OfflineLicenseState::USABLE:
+            return DrmPlugin::kOfflineLicenseStateUsable;
+        case OfflineLicenseState::INACTIVE:
+            return DrmPlugin::kOfflineLicenseStateReleased;
+        default:
+            return DrmPlugin::kOfflineLicenseStateUnknown;
+    }
+}
+
+template <typename T = uint8_t>
+static hidl_vec<T> toHidlVec(const Vector<T>& vector) {
+    hidl_vec<T> vec;
+    vec.setToExternal(const_cast<T*>(vector.array()), vector.size());
+    return vec;
+}
+
+Mutex DrmHalAidl::mLock;
+
+static hidl_vec<DrmMetricGroupHidl> toDrmMetricGroupHidl(std::vector<DrmMetricGroupAidl> result) {
+    Vector<DrmMetricGroupHidl> resultHidl;
+    for (auto r : result) {
+        DrmMetricGroupHidl re;
+        Vector<DrmMetricHidl> tmpMetric;
+        for (auto m : r.metrics) {
+            DrmMetricHidl me;
+            me.name = m.name;
+            Vector<AttributeHidl> aTmp;
+            for (auto attr : m.attributes) {
+                AttributeHidl attrHidl;
+                attrHidl.name = attr.name;
+
+                switch (attr.value.getTag()) {
+                    case DrmMetricValue::Tag::int64Value:
+                        attrHidl.type = DrmMetricGroupHidl::ValueType::INT64_TYPE;
+                        attrHidl.int64Value = attr.value.get<DrmMetricValue::Tag::int64Value>();
+                        break;
+                    case DrmMetricValue::Tag::doubleValue:
+                        attrHidl.type = DrmMetricGroupHidl::ValueType::DOUBLE_TYPE;
+                        attrHidl.doubleValue = attr.value.get<DrmMetricValue::Tag::doubleValue>();
+                        break;
+                    case DrmMetricValue::Tag::stringValue:
+                        attrHidl.type = DrmMetricGroupHidl::ValueType::STRING_TYPE;
+                        attrHidl.stringValue = attr.value.get<DrmMetricValue::Tag::stringValue>();
+                        break;
+                    default:
+                        break;
+                }
+
+                aTmp.push_back(attrHidl);
+            }
+
+            me.attributes = toHidlVec<AttributeHidl>(aTmp);
+
+            Vector<ValueHidl> vTmp;
+            for (auto value : m.values) {
+                ValueHidl valueHidl;
+                valueHidl.componentName = value.name;
+                switch (value.value.getTag()) {
+                    case DrmMetricValue::Tag::int64Value:
+                        valueHidl.type = DrmMetricGroupHidl::ValueType::INT64_TYPE;
+                        valueHidl.int64Value = value.value.get<DrmMetricValue::Tag::int64Value>();
+                        break;
+                    case DrmMetricValue::Tag::doubleValue:
+                        valueHidl.type = DrmMetricGroupHidl::ValueType::DOUBLE_TYPE;
+                        valueHidl.doubleValue = value.value.get<DrmMetricValue::Tag::doubleValue>();
+                        break;
+                    case DrmMetricValue::Tag::stringValue:
+                        valueHidl.type = DrmMetricGroupHidl::ValueType::STRING_TYPE;
+                        valueHidl.stringValue = value.value.get<DrmMetricValue::Tag::stringValue>();
+                        break;
+                    default:
+                        break;
+                }
+
+                vTmp.push_back(valueHidl);
+            }
+
+            me.values = toHidlVec<ValueHidl>(vTmp);
+            tmpMetric.push_back(me);
+        }
+
+        re.metrics = toHidlVec<DrmMetricHidl>(tmpMetric);
+        resultHidl.push_back(re);
+    }
+
+    return toHidlVec<DrmMetricGroupHidl>(resultHidl);
+}
+
+// DrmSessionClient Definition
+
+struct DrmHalAidl::DrmSessionClient : public aidl::android::media::BnResourceManagerClient {
+    explicit DrmSessionClient(DrmHalAidl* drm, const Vector<uint8_t>& sessionId)
+        : mSessionId(sessionId), mDrm(drm) {}
+
+    ::ndk::ScopedAStatus reclaimResource(bool* _aidl_return) override;
+    ::ndk::ScopedAStatus getName(::std::string* _aidl_return) override;
+
+    const Vector<uint8_t> mSessionId;
+
+    virtual ~DrmSessionClient();
+
+  private:
+    wp<DrmHalAidl> mDrm;
+
+    DISALLOW_EVIL_CONSTRUCTORS(DrmSessionClient);
+};
+
+::ndk::ScopedAStatus DrmHalAidl::DrmSessionClient::reclaimResource(bool* _aidl_return) {
+    auto sessionId = mSessionId;
+    sp<DrmHalAidl> drm = mDrm.promote();
+    if (drm == NULL) {
+        *_aidl_return = true;
+        return ::ndk::ScopedAStatus::ok();
+    }
+    status_t err = drm->closeSession(sessionId);
+    if (err != OK) {
+        *_aidl_return = false;
+        return ::ndk::ScopedAStatus::ok();
+    }
+    drm->onEvent(EventTypeAidl::SESSION_RECLAIMED, toHidlVec(sessionId), hidl_vec<uint8_t>());
+    *_aidl_return = true;
+    return ::ndk::ScopedAStatus::ok();
+}
+
+::ndk::ScopedAStatus DrmHalAidl::DrmSessionClient::getName(::std::string* _aidl_return) {
+    String8 name;
+    sp<DrmHalAidl> drm = mDrm.promote();
+    if (drm == NULL) {
+        name.append("<deleted>");
+    } else if (drm->getPropertyStringInternal(String8("vendor"), name) != OK || name.isEmpty()) {
+        name.append("<Get vendor failed or is empty>");
+    }
+    name.append("[");
+    for (size_t i = 0; i < mSessionId.size(); ++i) {
+        name.appendFormat("%02x", mSessionId[i]);
+    }
+    name.append("]");
+    *_aidl_return = name;
+    return ::ndk::ScopedAStatus::ok();
+}
+
+DrmHalAidl::DrmSessionClient::~DrmSessionClient() {
+    DrmSessionManager::Instance()->removeSession(mSessionId);
+}
+
+// DrmHalAidl methods
+DrmHalAidl::DrmHalAidl()
+    : mFactories(makeDrmFactories()),
+      mInitCheck((mFactories.size() == 0) ? ERROR_UNSUPPORTED : NO_INIT) {}
+
+status_t DrmHalAidl::initCheck() const {
+    return mInitCheck;
+}
+
+DrmHalAidl::~DrmHalAidl() {}
+
+std::vector<std::shared_ptr<IDrmFactoryAidl>> DrmHalAidl::makeDrmFactories() {
+    std::vector<std::shared_ptr<IDrmFactoryAidl>> factories;
+    AServiceManager_forEachDeclaredInstance(
+            IDrmFactoryAidl::descriptor, static_cast<void*>(&factories),
+            [](const char* instance, void* context) {
+                auto fullName = std::string(IDrmFactoryAidl::descriptor) + "/" + std::string(instance);
+                auto factory = IDrmFactoryAidl::fromBinder(
+                        ::ndk::SpAIBinder(AServiceManager_getService(fullName.c_str())));
+                if (factory == nullptr) {
+                    ALOGE("not found IDrmFactory. Instance name:[%s]", fullName.c_str());
+                    return;
+                }
+
+                ALOGI("found IDrmFactory. Instance name:[%s]", fullName.c_str());
+                static_cast<std::vector<std::shared_ptr<IDrmFactoryAidl>>*>(context)->emplace_back(
+                        factory);
+            });
+
+    return factories;
+}
+
+status_t DrmHalAidl::setListener(const sp<IDrmClient>& listener) {
+    Mutex::Autolock lock(mEventLock);
+    mListener = listener;
+    return NO_ERROR;
+}
+
+status_t DrmHalAidl::isCryptoSchemeSupported(const uint8_t uuid[16], const String8& mimeType,
+                                             DrmPlugin::SecurityLevel level, bool* isSupported) {
+    Mutex::Autolock autoLock(mLock);
+    *isSupported = false;
+    Uuid uuidAidl = toAidlUuid(uuid);
+    SecurityLevel levelAidl = static_cast<SecurityLevel>((int32_t)level);
+    std::string mimeTypeStr = mimeType.string();
+    for (ssize_t i = mFactories.size() - 1; i >= 0; i--) {
+        if (mFactories[i]
+                    ->isCryptoSchemeSupported(uuidAidl, mimeTypeStr, levelAidl, isSupported)
+                    .isOk()) {
+            if (*isSupported) break;
+        }
+    }
+
+    return OK;
+}
+
+status_t DrmHalAidl::createPlugin(const uint8_t uuid[16], const String8& appPackageName) {
+    Mutex::Autolock autoLock(mLock);
+
+    Uuid uuidAidl = toAidlUuid(uuid);
+    std::string appPackageNameAidl = toStdString(appPackageName);
+    std::shared_ptr<IDrmPluginAidl> pluginAidl;
+    mMetrics.SetAppPackageName(appPackageName);
+    mMetrics.SetAppUid(AIBinder_getCallingUid());
+    for (ssize_t i = mFactories.size() - 1; i >= 0; i--) {
+        ::ndk::ScopedAStatus status =
+                mFactories[i]->createPlugin(uuidAidl, appPackageNameAidl, &pluginAidl);
+        if (status.isOk()) {
+            if (pluginAidl != NULL) {
+                mPlugin = pluginAidl;
+                break;
+            }
+        } else {
+            DrmUtils::LOG2BE(uuid, "Failed to make drm plugin: %d",
+                             status.getServiceSpecificError());
+        }
+    }
+
+    if (mPlugin == NULL) {
+        DrmUtils::LOG2BE(uuid, "No supported hal instance found");
+        mInitCheck = ERROR_UNSUPPORTED;
+    } else {
+        mInitCheck = OK;
+
+        if (!mPlugin->setListener(shared_from_this()).isOk()) {
+            mInitCheck = DEAD_OBJECT;
+        }
+
+        if (mInitCheck != OK) {
+            mPlugin.reset();
+        }
+    }
+
+    return mInitCheck;
+}
+
+status_t DrmHalAidl::openSession(DrmPlugin::SecurityLevel level, Vector<uint8_t>& sessionId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    SecurityLevel aSecurityLevel = toAidlSecurityLevel(level);
+
+    if (aSecurityLevel == SecurityLevel::UNKNOWN) {
+        return ERROR_DRM_CANNOT_HANDLE;
+    }
+
+    status_t err = UNKNOWN_ERROR;
+    bool retry = true;
+    do {
+        std::vector<uint8_t> aSessionId;
+
+        ::ndk::ScopedAStatus status = mPlugin->openSession(aSecurityLevel, &aSessionId);
+        if (status.isOk()) sessionId = toVector(aSessionId);
+        err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+
+        if (err == ERROR_DRM_RESOURCE_BUSY && retry) {
+            mLock.unlock();
+            // reclaimSession may call back to closeSession, since mLock is
+            // shared between Drm instances, we should unlock here to avoid
+            // deadlock.
+            retry = DrmSessionManager::Instance()->reclaimSession(AIBinder_getCallingPid());
+            mLock.lock();
+        } else {
+            retry = false;
+        }
+    } while (retry);
+
+    if (err == OK) {
+        std::shared_ptr<DrmSessionClient> client =
+                ndk::SharedRefBase::make<DrmSessionClient>(this, sessionId);
+        DrmSessionManager::Instance()->addSession(
+                AIBinder_getCallingPid(), std::static_pointer_cast<IResourceManagerClient>(client),
+                sessionId);
+        mOpenSessions.push_back(client);
+        mMetrics.SetSessionStart(sessionId);
+    }
+
+    mMetrics.mOpenSessionCounter.Increment(err);
+    return err;
+}
+
+status_t DrmHalAidl::closeSession(Vector<uint8_t> const& sessionId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    std::vector<uint8_t> sessionIdAidl = toStdVec(sessionId);
+    ::ndk::ScopedAStatus status = mPlugin->closeSession(sessionIdAidl);
+    if (status.isOk()) {
+        DrmSessionManager::Instance()->removeSession(sessionId);
+        for (auto i = mOpenSessions.begin(); i != mOpenSessions.end(); i++) {
+            if (isEqualSessionId((*i)->mSessionId, sessionId)) {
+                mOpenSessions.erase(i);
+                break;
+            }
+        }
+
+        status_t response = toStatusTAidl(status.getServiceSpecificError());
+        mMetrics.SetSessionEnd(sessionId);
+        mMetrics.mCloseSessionCounter.Increment(response);
+        return response;
+    }
+    mMetrics.mCloseSessionCounter.Increment(DEAD_OBJECT);
+    return DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getKeyRequest(Vector<uint8_t> const& sessionId,
+                                   Vector<uint8_t> const& initData, String8 const& mimeType,
+                                   DrmPlugin::KeyType keyType,
+                                   KeyedVector<String8, String8> const& optionalParameters,
+                                   Vector<uint8_t>& request, String8& defaultUrl,
+                                   DrmPlugin::KeyRequestType* keyRequestType) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+    EventTimer<status_t> keyRequestTimer(&mMetrics.mGetKeyRequestTimeUs);
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    KeyType aKeyType;
+    if (keyType == DrmPlugin::kKeyType_Streaming) {
+        aKeyType = KeyType::STREAMING;
+    } else if (keyType == DrmPlugin::kKeyType_Offline) {
+        aKeyType = KeyType::OFFLINE;
+    } else if (keyType == DrmPlugin::kKeyType_Release) {
+        aKeyType = KeyType::RELEASE;
+    } else {
+        keyRequestTimer.SetAttribute(BAD_VALUE);
+        return BAD_VALUE;
+    }
+
+    status_t err = UNKNOWN_ERROR;
+
+    std::vector<uint8_t> sessionIdAidl = toStdVec(sessionId);
+    std::vector<uint8_t> initDataAidl = toStdVec(initData);
+    KeyRequest keyRequest;
+
+    ::ndk::ScopedAStatus status =
+            mPlugin->getKeyRequest(sessionIdAidl, initDataAidl, toStdString(mimeType), aKeyType,
+                                   toKeyValueVector(optionalParameters), &keyRequest);
+    if (status.isOk()) {
+        request = toVector(keyRequest.request);
+        defaultUrl = toString8(keyRequest.defaultUrl);
+        *keyRequestType = toKeyRequestType(keyRequest.requestType);
+    }
+
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+    keyRequestTimer.SetAttribute(err);
+    return err;
+}
+
+status_t DrmHalAidl::provideKeyResponse(Vector<uint8_t> const& sessionId,
+                                        Vector<uint8_t> const& response,
+                                        Vector<uint8_t>& keySetId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+    EventTimer<status_t> keyResponseTimer(&mMetrics.mProvideKeyResponseTimeUs);
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    status_t err = UNKNOWN_ERROR;
+
+    std::vector<uint8_t> sessionIdAidl = toStdVec(sessionId);
+    std::vector<uint8_t> responseAidl = toStdVec(response);
+    KeySetId keySetIdsAidl;
+    ::ndk::ScopedAStatus status =
+            mPlugin->provideKeyResponse(sessionIdAidl, responseAidl, &keySetIdsAidl);
+
+    if (status.isOk()) keySetId = toVector(keySetIdsAidl.keySetId);
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+    keyResponseTimer.SetAttribute(err);
+    return err;
+}
+
+status_t DrmHalAidl::removeKeys(Vector<uint8_t> const& keySetId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    ::ndk::ScopedAStatus status = mPlugin->removeKeys(toStdVec(keySetId));
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::restoreKeys(Vector<uint8_t> const& sessionId,
+                                 Vector<uint8_t> const& keySetId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    KeySetId keySetIdsAidl;
+    keySetIdsAidl.keySetId = toStdVec(keySetId);
+    ::ndk::ScopedAStatus status = mPlugin->restoreKeys(toStdVec(sessionId), keySetIdsAidl);
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::queryKeyStatus(Vector<uint8_t> const& sessionId,
+                                    KeyedVector<String8, String8>& infoMap) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    std::vector<KeyValue> infoMapAidl;
+    ::ndk::ScopedAStatus status = mPlugin->queryKeyStatus(toStdVec(sessionId), &infoMapAidl);
+
+    infoMap = toKeyedVector(infoMapAidl);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getProvisionRequest(String8 const& certType, String8 const& certAuthority,
+                                         Vector<uint8_t>& request, String8& defaultUrl) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    status_t err = UNKNOWN_ERROR;
+
+    ProvisionRequest requestAidl;
+    ::ndk::ScopedAStatus status = mPlugin->getProvisionRequest(
+            toStdString(certType), toStdString(certAuthority), &requestAidl);
+
+    request = toVector(requestAidl.request);
+    defaultUrl = toString8(requestAidl.defaultUrl);
+
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+    mMetrics.mGetProvisionRequestCounter.Increment(err);
+    return err;
+}
+
+status_t DrmHalAidl::provideProvisionResponse(Vector<uint8_t> const& response,
+                                              Vector<uint8_t>& certificate,
+                                              Vector<uint8_t>& wrappedKey) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    status_t err = UNKNOWN_ERROR;
+    ProvideProvisionResponseResult result;
+    ::ndk::ScopedAStatus status = mPlugin->provideProvisionResponse(toStdVec(response), &result);
+
+    certificate = toVector(result.certificate);
+    wrappedKey = toVector(result.wrappedKey);
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+    mMetrics.mProvideProvisionResponseCounter.Increment(err);
+    return err;
+}
+
+status_t DrmHalAidl::getSecureStops(List<Vector<uint8_t>>& secureStops) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    std::vector<SecureStop> result;
+    ::ndk::ScopedAStatus status = mPlugin->getSecureStops(&result);
+
+    secureStops = toSecureStops(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getSecureStopIds(List<Vector<uint8_t>>& secureStopIds) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    std::vector<SecureStopId> result;
+    ::ndk::ScopedAStatus status = mPlugin->getSecureStopIds(&result);
+
+    secureStopIds = toSecureStopIds(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getSecureStop(Vector<uint8_t> const& ssid, Vector<uint8_t>& secureStop) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    SecureStopId ssidAidl;
+    ssidAidl.secureStopId = toStdVec(ssid);
+
+    SecureStop result;
+    ::ndk::ScopedAStatus status = mPlugin->getSecureStop(ssidAidl, &result);
+
+    secureStop = toVector(result.opaqueData);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::releaseSecureStops(Vector<uint8_t> const& ssRelease) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    OpaqueData ssId;
+    ssId.opaqueData = toStdVec(ssRelease);
+    ::ndk::ScopedAStatus status = mPlugin->releaseSecureStops(ssId);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::removeSecureStop(Vector<uint8_t> const& ssid) {
+    Mutex::Autolock autoLock(mLock);
+
+    INIT_CHECK();
+
+    SecureStopId ssidAidl;
+    ssidAidl.secureStopId = toStdVec(ssid);
+    ::ndk::ScopedAStatus status = mPlugin->removeSecureStop(ssidAidl);
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::removeAllSecureStops() {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    ::ndk::ScopedAStatus status = mPlugin->releaseAllSecureStops();
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getHdcpLevels(DrmPlugin::HdcpLevel* connected,
+                                   DrmPlugin::HdcpLevel* max) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    if (connected == NULL || max == NULL) {
+        return BAD_VALUE;
+    }
+
+    *connected = DrmPlugin::kHdcpLevelUnknown;
+    *max = DrmPlugin::kHdcpLevelUnknown;
+
+    HdcpLevels lvlsAidl;
+    ::ndk::ScopedAStatus status = mPlugin->getHdcpLevels(&lvlsAidl);
+
+    *connected = toHdcpLevel(lvlsAidl.connectedLevel);
+    *max = toHdcpLevel(lvlsAidl.maxLevel);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getNumberOfSessions(uint32_t* open, uint32_t* max) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    if (open == NULL || max == NULL) {
+        return BAD_VALUE;
+    }
+
+    *open = 0;
+    *max = 0;
+
+    NumberOfSessions result;
+    ::ndk::ScopedAStatus status = mPlugin->getNumberOfSessions(&result);
+
+    *open = result.currentSessions;
+    *max = result.maxSessions;
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getSecurityLevel(Vector<uint8_t> const& sessionId,
+                                      DrmPlugin::SecurityLevel* level) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    if (level == NULL) {
+        return BAD_VALUE;
+    }
+
+    *level = DrmPlugin::kSecurityLevelUnknown;
+
+    SecurityLevel result;
+    ::ndk::ScopedAStatus status = mPlugin->getSecurityLevel(toStdVec(sessionId), &result);
+
+    *level = toSecurityLevel(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getOfflineLicenseKeySetIds(List<Vector<uint8_t>>& keySetIds) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    std::vector<KeySetId> result;
+    ::ndk::ScopedAStatus status = mPlugin->getOfflineLicenseKeySetIds(&result);
+
+    keySetIds = toKeySetIds(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::removeOfflineLicense(Vector<uint8_t> const& keySetId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    KeySetId keySetIdAidl;
+    keySetIdAidl.keySetId = toStdVec(keySetId);
+    ::ndk::ScopedAStatus status = mPlugin->removeOfflineLicense(keySetIdAidl);
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getOfflineLicenseState(Vector<uint8_t> const& keySetId,
+                                            DrmPlugin::OfflineLicenseState* licenseState) const {
+    Mutex::Autolock autoLock(mLock);
+
+    INIT_CHECK();
+    *licenseState = DrmPlugin::kOfflineLicenseStateUnknown;
+
+    KeySetId keySetIdAidl;
+    keySetIdAidl.keySetId = toStdVec(keySetId);
+
+    OfflineLicenseState result;
+    ::ndk::ScopedAStatus status = mPlugin->getOfflineLicenseState(keySetIdAidl, &result);
+
+    *licenseState = toOfflineLicenseState(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getPropertyString(String8 const& name, String8& value) const {
+    Mutex::Autolock autoLock(mLock);
+    return getPropertyStringInternal(name, value);
+}
+
+status_t DrmHalAidl::getPropertyStringInternal(String8 const& name, String8& value) const {
+    // This function is internal to the class and should only be called while
+    // mLock is already held.
+    INIT_CHECK();
+
+    std::string result;
+    ::ndk::ScopedAStatus status = mPlugin->getPropertyString(toStdString(name), &result);
+
+    value = toString8(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getPropertyByteArray(String8 const& name, Vector<uint8_t>& value) const {
+    Mutex::Autolock autoLock(mLock);
+    return getPropertyByteArrayInternal(name, value);
+}
+
+status_t DrmHalAidl::getPropertyByteArrayInternal(String8 const& name,
+                                                  Vector<uint8_t>& value) const {
+    // This function is internal to the class and should only be called while
+    // mLock is already held.
+    INIT_CHECK();
+
+    status_t err = UNKNOWN_ERROR;
+
+    std::vector<uint8_t> result;
+    ::ndk::ScopedAStatus status = mPlugin->getPropertyByteArray(toStdString(name), &result);
+
+    value = toVector(result);
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+    if (name == kPropertyDeviceUniqueId) {
+        mMetrics.mGetDeviceUniqueIdCounter.Increment(err);
+    }
+    return err;
+}
+
+status_t DrmHalAidl::setPropertyString(String8 const& name, String8 const& value) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    ::ndk::ScopedAStatus status = mPlugin->setPropertyString(toStdString(name), toStdString(value));
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::setPropertyByteArray(String8 const& name, Vector<uint8_t> const& value) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    ::ndk::ScopedAStatus status = mPlugin->setPropertyByteArray(toStdString(name), toStdVec(value));
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getMetrics(const sp<IDrmMetricsConsumer>& consumer) {
+    if (consumer == nullptr) {
+        return UNEXPECTED_NULL;
+    }
+    consumer->consumeFrameworkMetrics(mMetrics);
+
+    // Append vendor metrics if they are supported.
+
+    String8 vendor;
+    String8 description;
+    if (getPropertyStringInternal(String8("vendor"), vendor) != OK || vendor.isEmpty()) {
+        ALOGE("Get vendor failed or is empty");
+        vendor = "NONE";
+    }
+    if (getPropertyStringInternal(String8("description"), description) != OK ||
+        description.isEmpty()) {
+        ALOGE("Get description failed or is empty.");
+        description = "NONE";
+    }
+    vendor += ".";
+    vendor += description;
+
+    hidl_vec<DrmMetricGroupHidl> pluginMetrics;
+    status_t err = UNKNOWN_ERROR;
+
+    std::vector<DrmMetricGroupAidl> result;
+    ::ndk::ScopedAStatus status = mPlugin->getMetrics(&result);
+
+    if (status.isOk()) {
+        pluginMetrics = toDrmMetricGroupHidl(result);
+        consumer->consumeHidlMetrics(vendor, pluginMetrics);
+    }
+
+    err = status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+
+    return err;
+}
+
+status_t DrmHalAidl::setCipherAlgorithm(Vector<uint8_t> const& sessionId,
+                                        String8 const& algorithm) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    ::ndk::ScopedAStatus status =
+            mPlugin->setCipherAlgorithm(toStdVec(sessionId), toStdString(algorithm));
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::setMacAlgorithm(Vector<uint8_t> const& sessionId, String8 const& algorithm) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    ::ndk::ScopedAStatus status =
+            mPlugin->setMacAlgorithm(toStdVec(sessionId), toStdString(algorithm));
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::encrypt(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId,
+                             Vector<uint8_t> const& input, Vector<uint8_t> const& iv,
+                             Vector<uint8_t>& output) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    std::vector<uint8_t> result;
+    ::ndk::ScopedAStatus status = mPlugin->encrypt(toStdVec(sessionId), toStdVec(keyId),
+                                                   toStdVec(input), toStdVec(iv), &result);
+
+    output = toVector(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::decrypt(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId,
+                             Vector<uint8_t> const& input, Vector<uint8_t> const& iv,
+                             Vector<uint8_t>& output) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    std::vector<uint8_t> result;
+    ::ndk::ScopedAStatus status = mPlugin->decrypt(toStdVec(sessionId), toStdVec(keyId),
+                                                   toStdVec(input), toStdVec(iv), &result);
+
+    output = toVector(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::sign(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId,
+                          Vector<uint8_t> const& message, Vector<uint8_t>& signature) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    std::vector<uint8_t> result;
+    ::ndk::ScopedAStatus status =
+            mPlugin->sign(toStdVec(sessionId), toStdVec(keyId), toStdVec(message), &result);
+
+    signature = toVector(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::verify(Vector<uint8_t> const& sessionId, Vector<uint8_t> const& keyId,
+                            Vector<uint8_t> const& message, Vector<uint8_t> const& signature,
+                            bool& match) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    ::ndk::ScopedAStatus status = mPlugin->verify(toStdVec(sessionId), toStdVec(keyId),
+                                                  toStdVec(message), toStdVec(signature), &match);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::signRSA(Vector<uint8_t> const& sessionId, String8 const& algorithm,
+                             Vector<uint8_t> const& message, Vector<uint8_t> const& wrappedKey,
+                             Vector<uint8_t>& signature) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    DrmSessionManager::Instance()->useSession(sessionId);
+
+    std::vector<uint8_t> result;
+    ::ndk::ScopedAStatus status =
+            mPlugin->signRSA(toStdVec(sessionId), toStdString(algorithm), toStdVec(message),
+                             toStdVec(wrappedKey), &result);
+
+    signature = toVector(result);
+
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::requiresSecureDecoder(const char* mime, bool* required) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    std::string mimeAidl(mime);
+    ::ndk::ScopedAStatus status = mPlugin->requiresSecureDecoderDefault(mimeAidl, required);
+    if (!status.isOk()) {
+        DrmUtils::LOG2BE("requiresSecureDecoder txn failed: %d", status.getServiceSpecificError());
+        return DEAD_OBJECT;
+    }
+
+    return OK;
+}
+
+status_t DrmHalAidl::requiresSecureDecoder(const char* mime, DrmPlugin::SecurityLevel securityLevel,
+                                           bool* required) const {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+
+    auto aLevel = toAidlSecurityLevel(securityLevel);
+    std::string mimeAidl(mime);
+    ::ndk::ScopedAStatus status = mPlugin->requiresSecureDecoder(mimeAidl, aLevel, required);
+    if (!status.isOk()) {
+        DrmUtils::LOG2BE("requiresSecureDecoder txn failed: %d", status.getServiceSpecificError());
+        return DEAD_OBJECT;
+    }
+
+    return OK;
+}
+
+status_t DrmHalAidl::setPlaybackId(Vector<uint8_t> const& sessionId, const char* playbackId) {
+    Mutex::Autolock autoLock(mLock);
+    INIT_CHECK();
+    std::string playbackIdAidl(playbackId);
+    ::ndk::ScopedAStatus status = mPlugin->setPlaybackId(toStdVec(sessionId), playbackIdAidl);
+    return status.isOk() ? toStatusTAidl(status.getServiceSpecificError()) : DEAD_OBJECT;
+}
+
+status_t DrmHalAidl::getLogMessages(Vector<drm::V1_4::LogMessage>& logs) const {
+    Mutex::Autolock autoLock(mLock);
+    return DrmUtils::GetLogMessagesAidl<IDrmPluginAidl>(mPlugin, logs);
+}
+
+void DrmHalAidl::closeOpenSessions() {
+    Mutex::Autolock autoLock(mLock);
+    auto openSessions = mOpenSessions;
+    for (size_t i = 0; i < openSessions.size(); i++) {
+        mLock.unlock();
+        closeSession(openSessions[i]->mSessionId);
+        mLock.lock();
+    }
+    mOpenSessions.clear();
+}
+
+std::string DrmHalAidl::reportPluginMetrics() const {
+    Vector<uint8_t> metricsVector;
+    String8 vendor;
+    String8 description;
+    std::string metricsString;
+    if (getPropertyStringInternal(String8("vendor"), vendor) == OK &&
+        getPropertyStringInternal(String8("description"), description) == OK &&
+        getPropertyByteArrayInternal(String8("metrics"), metricsVector) == OK) {
+        metricsString = toBase64StringNoPad(metricsVector.array(), metricsVector.size());
+        status_t res = android::reportDrmPluginMetrics(metricsString, vendor, description,
+                                                       mMetrics.GetAppUid());
+        if (res != OK) {
+            ALOGE("Metrics were retrieved but could not be reported: %d", res);
+        }
+    }
+    return metricsString;
+}
+
+std::string DrmHalAidl::reportFrameworkMetrics(const std::string& pluginMetrics) const {
+    mediametrics_handle_t item(mediametrics_create("mediadrm"));
+    mediametrics_setUid(item, mMetrics.GetAppUid());
+    String8 vendor;
+    String8 description;
+    status_t result = getPropertyStringInternal(String8("vendor"), vendor);
+    if (result != OK) {
+        ALOGE("Failed to get vendor from drm plugin: %d", result);
+    } else {
+        mediametrics_setCString(item, "vendor", vendor.c_str());
+    }
+    result = getPropertyStringInternal(String8("description"), description);
+    if (result != OK) {
+        ALOGE("Failed to get description from drm plugin: %d", result);
+    } else {
+        mediametrics_setCString(item, "description", description.c_str());
+    }
+
+    std::string serializedMetrics;
+    result = mMetrics.GetSerializedMetrics(&serializedMetrics);
+    if (result != OK) {
+        ALOGE("Failed to serialize framework metrics: %d", result);
+    }
+    std::string b64EncodedMetrics =
+            toBase64StringNoPad(serializedMetrics.data(), serializedMetrics.size());
+    if (!b64EncodedMetrics.empty()) {
+        mediametrics_setCString(item, "serialized_metrics", b64EncodedMetrics.c_str());
+    }
+    if (!pluginMetrics.empty()) {
+        mediametrics_setCString(item, "plugin_metrics", pluginMetrics.c_str());
+    }
+    if (!mediametrics_selfRecord(item)) {
+        ALOGE("Failed to self record framework metrics");
+    }
+    mediametrics_delete(item);
+    return serializedMetrics;
+}
+
+void DrmHalAidl::cleanup() {
+    closeOpenSessions();
+
+    Mutex::Autolock autoLock(mLock);
+    reportFrameworkMetrics(reportPluginMetrics());
+
+    setListener(NULL);
+    mInitCheck = NO_INIT;
+    if (mPlugin != NULL) {
+        if (!mPlugin->setListener(NULL).isOk()) {
+            mInitCheck = DEAD_OBJECT;
+        }
+    }
+
+    mPlugin.reset();
+}
+
+status_t DrmHalAidl::destroyPlugin() {
+    cleanup();
+    return OK;
+}
+
+::ndk::ScopedAStatus DrmHalAidl::onEvent(EventTypeAidl eventTypeAidl,
+                                         const std::vector<uint8_t>& sessionId,
+                                         const std::vector<uint8_t>& data) {
+    ::ndk::ScopedAStatus _aidl_status;
+    mMetrics.mEventCounter.Increment((uint32_t)eventTypeAidl);
+
+    mEventLock.lock();
+    sp<IDrmClient> listener = mListener;
+    mEventLock.unlock();
+
+    if (listener != NULL) {
+        Mutex::Autolock lock(mNotifyLock);
+        DrmPlugin::EventType eventType;
+        switch (eventTypeAidl) {
+            case EventTypeAidl::PROVISION_REQUIRED:
+                eventType = DrmPlugin::kDrmPluginEventProvisionRequired;
+                break;
+            case EventTypeAidl::KEY_NEEDED:
+                eventType = DrmPlugin::kDrmPluginEventKeyNeeded;
+                break;
+            case EventTypeAidl::KEY_EXPIRED:
+                eventType = DrmPlugin::kDrmPluginEventKeyExpired;
+                break;
+            case EventTypeAidl::VENDOR_DEFINED:
+                eventType = DrmPlugin::kDrmPluginEventVendorDefined;
+                break;
+            case EventTypeAidl::SESSION_RECLAIMED:
+                eventType = DrmPlugin::kDrmPluginEventSessionReclaimed;
+                break;
+            default:
+                return _aidl_status;
+        }
+
+        listener->sendEvent(eventType, toHidlVec(toVector(sessionId)), toHidlVec(toVector(data)));
+    }
+
+    return _aidl_status;
+}
+
+::ndk::ScopedAStatus DrmHalAidl::onExpirationUpdate(const std::vector<uint8_t>& sessionId,
+                                                    int64_t expiryTimeInMS) {
+    ::ndk::ScopedAStatus _aidl_status;
+    mEventLock.lock();
+    sp<IDrmClient> listener = mListener;
+    mEventLock.unlock();
+
+    if (listener != NULL) {
+        Mutex::Autolock lock(mNotifyLock);
+        listener->sendExpirationUpdate(toHidlVec(toVector(sessionId)), expiryTimeInMS);
+    }
+
+    return _aidl_status;
+}
+
+::ndk::ScopedAStatus DrmHalAidl::onKeysChange(const std::vector<uint8_t>& sessionId,
+                                              const std::vector<KeyStatus>& keyStatusListAidl,
+                                              bool hasNewUsableKey) {
+    ::ndk::ScopedAStatus _aidl_status;
+    mEventLock.lock();
+    sp<IDrmClient> listener = mListener;
+    mEventLock.unlock();
+
+    if (listener != NULL) {
+        std::vector<DrmKeyStatus> keyStatusList;
+        size_t nKeys = keyStatusListAidl.size();
+        for (size_t i = 0; i < nKeys; ++i) {
+            const KeyStatus& keyStatus = keyStatusListAidl[i];
+            uint32_t type;
+            switch (keyStatus.type) {
+                case KeyStatusType::USABLE:
+                    type = DrmPlugin::kKeyStatusType_Usable;
+                    break;
+                case KeyStatusType::EXPIRED:
+                    type = DrmPlugin::kKeyStatusType_Expired;
+                    break;
+                case KeyStatusType::OUTPUTNOTALLOWED:
+                    type = DrmPlugin::kKeyStatusType_OutputNotAllowed;
+                    break;
+                case KeyStatusType::STATUSPENDING:
+                    type = DrmPlugin::kKeyStatusType_StatusPending;
+                    break;
+                case KeyStatusType::USABLEINFUTURE:
+                    type = DrmPlugin::kKeyStatusType_UsableInFuture;
+                    break;
+                case KeyStatusType::INTERNALERROR:
+                default:
+                    type = DrmPlugin::kKeyStatusType_InternalError;
+                    break;
+            }
+            keyStatusList.push_back({type, toHidlVec(toVector(keyStatus.keyId))});
+            mMetrics.mKeyStatusChangeCounter.Increment((uint32_t)keyStatus.type);
+        }
+
+        Mutex::Autolock lock(mNotifyLock);
+        listener->sendKeysChange(toHidlVec(toVector(sessionId)), keyStatusList, hasNewUsableKey);
+    }
+    else {
+        // There's no listener. But we still want to count the key change
+        // events.
+        size_t nKeys = keyStatusListAidl.size();
+
+        for (size_t i = 0; i < nKeys; i++) {
+            mMetrics.mKeyStatusChangeCounter.Increment((uint32_t)keyStatusListAidl[i].type);
+        }
+    }
+
+    return _aidl_status;
+}
+
+::ndk::ScopedAStatus DrmHalAidl::onSessionLostState(const std::vector<uint8_t>& sessionId) {
+    ::ndk::ScopedAStatus _aidl_status;
+    mEventLock.lock();
+    sp<IDrmClient> listener = mListener;
+    mEventLock.unlock();
+
+    if (listener != NULL) {
+        Mutex::Autolock lock(mNotifyLock);
+        listener->sendSessionLostState(toHidlVec(toVector(sessionId)));
+    }
+
+    return _aidl_status;
+}
+
+}  // namespace android
\ No newline at end of file