1 files changed, 475 insertions, 0 deletions
diff --git a/drm/libmediadrm/tests/DrmMetrics_test.cpp b/drm/libmediadrm/tests/DrmMetrics_test.cpp
new file mode 100644
index 0000000000..64aa9d0c99
--- /dev/null
+++ b/drm/libmediadrm/tests/DrmMetrics_test.cpp
@@ -0,0 +1,475 @@
+/*
+ * Copyright 2018 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_TAG "DrmMetricsTest"
+#include "mediadrm/DrmMetrics.h"
+
+#include <android/hardware/drm/1.0/types.h>
+#include <android/hardware/drm/1.1/types.h>
+#include <binder/PersistableBundle.h>
+#include <google/protobuf/text_format.h>
+#include <google/protobuf/util/message_differencer.h>
+#include <gtest/gtest.h>
+#include <utils/Log.h>
+
+#include "protos/metrics.pb.h"
+
+using ::android::drm_metrics::DrmFrameworkMetrics;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::drm::V1_0::EventType;
+using ::android::hardware::drm::V1_0::KeyStatusType;
+using ::android::hardware::drm::V1_0::Status;
+using ::android::hardware::drm::V1_1::DrmMetricGroup;
+using ::android::os::PersistableBundle;
+using ::google::protobuf::util::MessageDifferencer;
+using ::google::protobuf::TextFormat;
+
+namespace android {
+
+/**
+ * Unit tests for the MediaDrmMetrics class.
+ */
+class MediaDrmMetricsTest : public ::testing::Test {};
+
+/**
+ * This derived class mocks the clock for testing purposes.
+ */
+class FakeMediaDrmMetrics : public MediaDrmMetrics {
+ public:
+  FakeMediaDrmMetrics() : MediaDrmMetrics(), time_(0) {};
+
+  int64_t GetCurrentTimeMs() { return time_++; }
+  int64_t time_;
+};
+
+TEST_F(MediaDrmMetricsTest, EmptySuccess) {
+  MediaDrmMetrics metrics;
+  PersistableBundle bundle;
+
+  metrics.Export(&bundle);
+  EXPECT_TRUE(bundle.empty());
+}
+
+TEST_F(MediaDrmMetricsTest, AllValuesSuccessCounts) {
+  MediaDrmMetrics metrics;
+
+  metrics.mOpenSessionCounter.Increment(OK);
+  metrics.mCloseSessionCounter.Increment(OK);
+
+  {
+    EventTimer<status_t> get_key_request_timer(&metrics.mGetKeyRequestTimeUs);
+    EventTimer<status_t> provide_key_response_timer(
+        &metrics.mProvideKeyResponseTimeUs);
+    get_key_request_timer.SetAttribute(OK);
+    provide_key_response_timer.SetAttribute(OK);
+  }
+
+  metrics.mGetProvisionRequestCounter.Increment(OK);
+  metrics.mProvideProvisionResponseCounter.Increment(OK);
+  metrics.mGetDeviceUniqueIdCounter.Increment(OK);
+
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::USABLE);
+  metrics.mEventCounter.Increment(EventType::PROVISION_REQUIRED);
+
+  PersistableBundle bundle;
+
+  metrics.Export(&bundle);
+  EXPECT_EQ(11U, bundle.size());
+
+  // Verify the list of pairs of int64 metrics.
+  std::vector<std::pair<std::string, int64_t>> expected_values = {
+      { "drm.mediadrm.open_session.ok.count", 1 },
+      { "drm.mediadrm.close_session.ok.count", 1 },
+      { "drm.mediadrm.get_key_request.ok.count", 1 },
+      { "drm.mediadrm.provide_key_response.ok.count", 1 },
+      { "drm.mediadrm.get_provision_request.ok.count", 1 },
+      { "drm.mediadrm.provide_provision_response.ok.count", 1 },
+      { "drm.mediadrm.key_status_change.USABLE.count", 1 },
+      { "drm.mediadrm.event.PROVISION_REQUIRED.count", 1 },
+      { "drm.mediadrm.get_device_unique_id.ok.count", 1 }};
+  for (const auto& expected_pair : expected_values) {
+    String16 key(expected_pair.first.c_str());
+    int64_t value = -1;
+    EXPECT_TRUE(bundle.getLong(key, &value))
+        << "Unexpected error retrieviing key: " << key;
+    EXPECT_EQ(expected_pair.second, value)
+        << "Unexpected value for " << expected_pair.first << ". " << value;
+  }
+
+  // Validate timing values exist.
+  String16 get_key_request_key(
+      "drm.mediadrm.get_key_request.ok.average_time_micros");
+  String16 provide_key_response_key(
+      "drm.mediadrm.provide_key_response.ok.average_time_micros");
+  int64_t value = -1;
+  EXPECT_TRUE(bundle.getLong(get_key_request_key, &value));
+  EXPECT_GE(value, 0);
+  value = -1;
+  EXPECT_TRUE(bundle.getLong(provide_key_response_key, &value));
+  EXPECT_GE(value, 0);
+}
+
+TEST_F(MediaDrmMetricsTest, AllValuesFull) {
+  MediaDrmMetrics metrics;
+
+  metrics.mOpenSessionCounter.Increment(OK);
+  metrics.mOpenSessionCounter.Increment(UNEXPECTED_NULL);
+
+  metrics.mCloseSessionCounter.Increment(OK);
+  metrics.mCloseSessionCounter.Increment(UNEXPECTED_NULL);
+
+  for (status_t s : {OK, UNEXPECTED_NULL}) {
+    {
+      EventTimer<status_t> get_key_request_timer(&metrics.mGetKeyRequestTimeUs);
+      EventTimer<status_t> provide_key_response_timer(
+          &metrics.mProvideKeyResponseTimeUs);
+      get_key_request_timer.SetAttribute(s);
+      provide_key_response_timer.SetAttribute(s);
+    }
+  }
+
+  metrics.mGetProvisionRequestCounter.Increment(OK);
+  metrics.mGetProvisionRequestCounter.Increment(UNEXPECTED_NULL);
+  metrics.mProvideProvisionResponseCounter.Increment(OK);
+  metrics.mProvideProvisionResponseCounter.Increment(UNEXPECTED_NULL);
+  metrics.mGetDeviceUniqueIdCounter.Increment(OK);
+  metrics.mGetDeviceUniqueIdCounter.Increment(UNEXPECTED_NULL);
+
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::USABLE);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::EXPIRED);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::OUTPUTNOTALLOWED);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::STATUSPENDING);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::INTERNALERROR);
+  metrics.mEventCounter.Increment(EventType::PROVISION_REQUIRED);
+  metrics.mEventCounter.Increment(EventType::KEY_NEEDED);
+  metrics.mEventCounter.Increment(EventType::KEY_EXPIRED);
+  metrics.mEventCounter.Increment(EventType::VENDOR_DEFINED);
+  metrics.mEventCounter.Increment(EventType::SESSION_RECLAIMED);
+
+  android::Vector<uint8_t> sessionId1;
+  sessionId1.push_back(1);
+  sessionId1.push_back(2);
+  android::Vector<uint8_t> sessionId2;
+  sessionId2.push_back(3);
+  sessionId2.push_back(4);
+  String16 hexSessionId1("0102");
+  String16 hexSessionId2("0304");
+
+  metrics.SetSessionStart(sessionId1);
+  metrics.SetSessionStart(sessionId2);
+  metrics.SetSessionEnd(sessionId2);
+  metrics.SetSessionEnd(sessionId1);
+
+  PersistableBundle bundle;
+  metrics.Export(&bundle);
+  EXPECT_EQ(35U, bundle.size());
+
+  // Verify the list of pairs of int64 metrics.
+  std::vector<std::pair<std::string, int64_t>> expected_values = {
+      { "drm.mediadrm.open_session.ok.count", 1 },
+      { "drm.mediadrm.close_session.ok.count", 1 },
+      { "drm.mediadrm.get_key_request.ok.count", 1 },
+      { "drm.mediadrm.provide_key_response.ok.count", 1 },
+      { "drm.mediadrm.get_provision_request.ok.count", 1 },
+      { "drm.mediadrm.provide_provision_response.ok.count", 1 },
+      { "drm.mediadrm.get_device_unique_id.ok.count", 1 },
+      { "drm.mediadrm.open_session.error.count", 1 },
+      { "drm.mediadrm.close_session.error.count", 1 },
+      { "drm.mediadrm.get_key_request.error.count", 1 },
+      { "drm.mediadrm.provide_key_response.error.count", 1 },
+      { "drm.mediadrm.get_provision_request.error.count", 1 },
+      { "drm.mediadrm.provide_provision_response.error.count", 1 },
+      { "drm.mediadrm.get_device_unique_id.error.count", 1 },
+      { "drm.mediadrm.key_status_change.USABLE.count", 1 },
+      { "drm.mediadrm.key_status_change.EXPIRED.count", 1 },
+      { "drm.mediadrm.key_status_change.OUTPUT_NOT_ALLOWED.count", 1 },
+      { "drm.mediadrm.key_status_change.STATUS_PENDING.count", 1 },
+      { "drm.mediadrm.key_status_change.INTERNAL_ERROR.count", 1 },
+      { "drm.mediadrm.event.PROVISION_REQUIRED.count", 1 },
+      { "drm.mediadrm.event.KEY_NEEDED.count", 1 },
+      { "drm.mediadrm.event.KEY_EXPIRED.count", 1 },
+      { "drm.mediadrm.event.VENDOR_DEFINED.count", 1 },
+      { "drm.mediadrm.event.SESSION_RECLAIMED.count", 1 }};
+  for (const auto& expected_pair : expected_values) {
+    String16 key(expected_pair.first.c_str());
+    int64_t value = -1;
+    EXPECT_TRUE(bundle.getLong(key, &value))
+        << "Unexpected error retrieviing key: " << key;
+    EXPECT_EQ(expected_pair.second, value)
+        << "Unexpected value for " << expected_pair.first << ". " << value;
+  }
+
+  // Verify the error lists
+  std::vector<std::pair<std::string, std::vector<int64_t>>> expected_vector_values = {
+      { "drm.mediadrm.close_session.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.get_device_unique_id.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.get_key_request.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.get_provision_request.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.open_session.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.provide_key_response.error.list", { UNEXPECTED_NULL } },
+      { "drm.mediadrm.provide_provision_response.error.list", { UNEXPECTED_NULL } }};
+  for (const auto& expected_pair : expected_vector_values) {
+    String16 key(expected_pair.first.c_str());
+    std::vector<int64_t> values;
+    EXPECT_TRUE(bundle.getLongVector(key, &values))
+        << "Unexpected error retrieviing key: " << key;
+    for (auto expected : expected_pair.second) {
+      EXPECT_TRUE(std::find(values.begin(), values.end(), expected) != values.end())
+          << "Could not find " << expected << " for key " << expected_pair.first;
+    }
+  }
+
+  // Verify the lifespans
+  PersistableBundle start_times;
+  PersistableBundle end_times;
+  String16 start_time_key("drm.mediadrm.session_start_times_ms");
+  String16 end_time_key("drm.mediadrm.session_end_times_ms");
+  ASSERT_TRUE(bundle.getPersistableBundle(start_time_key, &start_times));
+  ASSERT_TRUE(bundle.getPersistableBundle(end_time_key, &end_times));
+  EXPECT_EQ(2U, start_times.size());
+  EXPECT_EQ(2U, end_times.size());
+  int64_t start_time, end_time;
+  for (const auto& sid : { hexSessionId1, hexSessionId2 }) {
+    start_time = -1;
+    end_time = -1;
+    EXPECT_TRUE(start_times.getLong(sid, &start_time));
+    EXPECT_TRUE(end_times.getLong(sid, &end_time));
+    EXPECT_GT(start_time, 0);
+    EXPECT_GE(end_time, start_time);
+  }
+
+  // Validate timing values exist.
+  String16 get_key_request_key(
+      "drm.mediadrm.get_key_request.ok.average_time_micros");
+  String16 provide_key_response_key(
+      "drm.mediadrm.provide_key_response.ok.average_time_micros");
+  int64_t value = -1;
+  EXPECT_TRUE(bundle.getLong(get_key_request_key, &value));
+  EXPECT_GE(value, 0);
+  value = -1;
+  EXPECT_TRUE(bundle.getLong(provide_key_response_key, &value));
+  EXPECT_GE(value, 0);
+}
+
+
+TEST_F(MediaDrmMetricsTest, CounterValuesProtoSerialization) {
+  MediaDrmMetrics metrics;
+
+  metrics.mOpenSessionCounter.Increment(OK);
+  metrics.mOpenSessionCounter.Increment(UNEXPECTED_NULL);
+  metrics.mCloseSessionCounter.Increment(OK);
+  metrics.mCloseSessionCounter.Increment(UNEXPECTED_NULL);
+
+  metrics.mGetProvisionRequestCounter.Increment(OK);
+  metrics.mGetProvisionRequestCounter.Increment(UNEXPECTED_NULL);
+  metrics.mProvideProvisionResponseCounter.Increment(OK);
+  metrics.mProvideProvisionResponseCounter.Increment(UNEXPECTED_NULL);
+  metrics.mGetDeviceUniqueIdCounter.Increment(OK);
+  metrics.mGetDeviceUniqueIdCounter.Increment(UNEXPECTED_NULL);
+
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::USABLE);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::EXPIRED);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::OUTPUTNOTALLOWED);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::STATUSPENDING);
+  metrics.mKeyStatusChangeCounter.Increment(KeyStatusType::INTERNALERROR);
+  metrics.mEventCounter.Increment(EventType::PROVISION_REQUIRED);
+  metrics.mEventCounter.Increment(EventType::KEY_NEEDED);
+  metrics.mEventCounter.Increment(EventType::KEY_EXPIRED);
+  metrics.mEventCounter.Increment(EventType::VENDOR_DEFINED);
+  metrics.mEventCounter.Increment(EventType::SESSION_RECLAIMED);
+
+  std::string serializedMetrics;
+  ASSERT_EQ(OK, metrics.GetSerializedMetrics(&serializedMetrics));
+
+  DrmFrameworkMetrics metricsProto;
+  ASSERT_TRUE(metricsProto.ParseFromString(serializedMetrics));
+
+  std::string expectedMetrics =
+      "open_session_counter { count: 1 attributes { error_code: -0x7FFFFFF8 } } "
+      "open_session_counter { count: 1 attributes { error_code: 0 } } "
+      "close_session_counter { count: 1 attributes { error_code: -0x7FFFFFF8 } } "
+      "close_session_counter { count: 1 attributes { error_code: 0 } } "
+      "get_provisioning_request_counter { count: 1 attributes { error_code: -0x7FFFFFF8 } } "
+      "get_provisioning_request_counter { count: 1 attributes { error_code: 0 } } "
+      "provide_provisioning_response_counter { count: 1 attributes { error_code: -0x7ffffff8 } } "
+      "provide_provisioning_response_counter { count: 1 attributes { error_code: 0 } } "
+      "get_device_unique_id_counter { count: 1 attributes { error_code: -0x7ffffff8 } } "
+      "get_device_unique_id_counter { count: 1 attributes { error_code: 0 } } "
+      "key_status_change_counter { count: 1 attributes { key_status_type: 0 } } "
+      "key_status_change_counter { count: 1 attributes { key_status_type: 1 } } "
+      "key_status_change_counter { count: 1 attributes { key_status_type: 2 } } "
+      "key_status_change_counter { count: 1 attributes { key_status_type: 3 } } "
+      "key_status_change_counter { count: 1 attributes { key_status_type: 4 } } "
+      "event_callback_counter { count: 1 attributes { event_type: 0 } } "
+      "event_callback_counter { count: 1 attributes { event_type: 1 } } "
+      "event_callback_counter { count: 1 attributes { event_type: 2 } } "
+      "event_callback_counter { count: 1 attributes { event_type: 3 } } "
+      "event_callback_counter { count: 1 attributes { event_type: 4 } } ";
+
+  DrmFrameworkMetrics expectedMetricsProto;
+  ASSERT_TRUE(TextFormat::MergeFromString(expectedMetrics, &expectedMetricsProto));
+
+  std::string diffString;
+  MessageDifferencer differ;
+  differ.ReportDifferencesToString(&diffString);
+  ASSERT_TRUE(differ.Compare(expectedMetricsProto, metricsProto))
+      << diffString;
+}
+
+TEST_F(MediaDrmMetricsTest, TimeMetricsProtoSerialization) {
+  MediaDrmMetrics metrics;
+
+  for (status_t s : {OK, UNEXPECTED_NULL}) {
+    double time = 0;
+    for (int i = 0; i < 5; i++) {
+      time += 1.0;
+      metrics.mGetKeyRequestTimeUs.Record(time, s);
+      metrics.mProvideKeyResponseTimeUs.Record(time, s);
+    }
+  }
+
+  std::string serializedMetrics;
+  ASSERT_EQ(OK, metrics.GetSerializedMetrics(&serializedMetrics));
+
+  DrmFrameworkMetrics metricsProto;
+  ASSERT_TRUE(metricsProto.ParseFromString(serializedMetrics));
+
+  std::string expectedMetrics =
+      "get_key_request_time_us { "
+      "  min: 1 max: 5 mean: 3.5 variance: 1 operation_count: 5 "
+      "  attributes { error_code: -0x7FFFFFF8 } "
+      "} "
+      "get_key_request_time_us { "
+      "  min: 1 max: 5 mean: 3.5 variance: 1 operation_count: 5 "
+      "  attributes { error_code: 0 } "
+      "} "
+      "provide_key_response_time_us { "
+      "  min: 1 max: 5 mean: 3.5 variance: 1 operation_count: 5 "
+      "  attributes { error_code: -0x7FFFFFF8 } "
+      "} "
+      "provide_key_response_time_us { "
+      "  min: 1 max: 5 mean: 3.5 variance: 1 operation_count: 5 "
+      "  attributes { error_code: 0 } "
+      "} ";
+
+  DrmFrameworkMetrics expectedMetricsProto;
+  ASSERT_TRUE(TextFormat::MergeFromString(expectedMetrics, &expectedMetricsProto));
+
+  std::string diffString;
+  MessageDifferencer differ;
+  differ.ReportDifferencesToString(&diffString);
+  ASSERT_TRUE(differ.Compare(expectedMetricsProto, metricsProto))
+      << diffString;
+}
+
+TEST_F(MediaDrmMetricsTest, SessionLifetimeProtoSerialization) {
+  // Use the fake so the clock is predictable;
+  FakeMediaDrmMetrics metrics;
+
+  android::Vector<uint8_t> sessionId1;
+  sessionId1.push_back(1);
+  sessionId1.push_back(2);
+  android::Vector<uint8_t> sessionId2;
+  sessionId2.push_back(3);
+  sessionId2.push_back(4);
+
+  metrics.SetSessionStart(sessionId1);
+  metrics.SetSessionStart(sessionId2);
+  metrics.SetSessionEnd(sessionId2);
+  metrics.SetSessionEnd(sessionId1);
+
+  std::string serializedMetrics;
+  ASSERT_EQ(OK, metrics.GetSerializedMetrics(&serializedMetrics));
+
+  DrmFrameworkMetrics metricsProto;
+  ASSERT_TRUE(metricsProto.ParseFromString(serializedMetrics));
+
+  std::string expectedMetrics =
+      "session_lifetimes: { "
+      "  key: '0102' "
+      "  value { start_time_ms: 0 end_time_ms: 3 } "
+      "} "
+      "session_lifetimes: { "
+      "  key: '0304' "
+      "  value { start_time_ms: 1 end_time_ms: 2 } "
+      "} ";
+
+  DrmFrameworkMetrics expectedMetricsProto;
+  ASSERT_TRUE(TextFormat::MergeFromString(expectedMetrics, &expectedMetricsProto));
+
+  std::string diffString;
+  MessageDifferencer differ;
+  differ.ReportDifferencesToString(&diffString);
+  ASSERT_TRUE(differ.Compare(expectedMetricsProto, metricsProto))
+      << diffString;
+}
+
+TEST_F(MediaDrmMetricsTest, HidlToBundleMetricsEmpty) {
+  hidl_vec<DrmMetricGroup> hidlMetricGroups;
+  PersistableBundle bundleMetricGroups;
+
+  ASSERT_EQ(OK, MediaDrmMetrics::HidlMetricsToBundle(hidlMetricGroups, &bundleMetricGroups));
+  ASSERT_EQ(0U, bundleMetricGroups.size());
+}
+
+TEST_F(MediaDrmMetricsTest, HidlToBundleMetricsMultiple) {
+  DrmMetricGroup hidlMetricGroup =
+      { { {
+              "open_session_ok",
+              { { "status", DrmMetricGroup::ValueType::INT64_TYPE,
+                  (int64_t) Status::OK, 0.0, "" } },
+              { { "count", DrmMetricGroup::ValueType::INT64_TYPE, 3, 0.0, "" } }
+          },
+          {
+              "close_session_not_opened",
+              { { "status", DrmMetricGroup::ValueType::INT64_TYPE,
+                  (int64_t) Status::ERROR_DRM_SESSION_NOT_OPENED, 0.0, "" } },
+              { { "count", DrmMetricGroup::ValueType::INT64_TYPE, 7, 0.0, "" } }
+          } } };
+
+  PersistableBundle bundleMetricGroups;
+  ASSERT_EQ(OK, MediaDrmMetrics::HidlMetricsToBundle(hidl_vec<DrmMetricGroup>({hidlMetricGroup}),
+                                                     &bundleMetricGroups));
+  ASSERT_EQ(1U, bundleMetricGroups.size());
+  PersistableBundle bundleMetricGroup;
+  ASSERT_TRUE(bundleMetricGroups.getPersistableBundle(String16("[0]"), &bundleMetricGroup));
+  ASSERT_EQ(2U, bundleMetricGroup.size());
+
+  // Verify each metric.
+  PersistableBundle metric;
+  ASSERT_TRUE(bundleMetricGroup.getPersistableBundle(String16("open_session_ok"), &metric));
+  PersistableBundle metricInstance;
+  ASSERT_TRUE(metric.getPersistableBundle(String16("[0]"), &metricInstance));
+  int64_t value = 0;
+  ASSERT_TRUE(metricInstance.getLong(String16("count"), &value));
+  ASSERT_EQ(3, value);
+  PersistableBundle attributeBundle;
+  ASSERT_TRUE(metricInstance.getPersistableBundle(String16("attributes"), &attributeBundle));
+  ASSERT_TRUE(attributeBundle.getLong(String16("status"), &value));
+  ASSERT_EQ((int64_t) Status::OK, value);
+
+  ASSERT_TRUE(bundleMetricGroup.getPersistableBundle(String16("close_session_not_opened"),
+                                                     &metric));
+  ASSERT_TRUE(metric.getPersistableBundle(String16("[0]"), &metricInstance));
+  ASSERT_TRUE(metricInstance.getLong(String16("count"), &value));
+  ASSERT_EQ(7, value);
+  ASSERT_TRUE(metricInstance.getPersistableBundle(String16("attributes"), &attributeBundle));
+  value = 0;
+  ASSERT_TRUE(attributeBundle.getLong(String16("status"), &value));
+  ASSERT_EQ((int64_t) Status::ERROR_DRM_SESSION_NOT_OPENED, value);
+}
+
+}  // namespace android