Widevine Metrics System

This change is the complete Widevine metrics system. It will
measure and record runtime information about what is happening
in the CDM - such as errors and throughput.

Bug: 33745339
Bug: 26027857
Change-Id: Ic9a82074f1e2b72c72d751b235f8ae361232787d

libwvdrmengine/cdm/src/ami_adapter.cpp

@@ -0,0 +1,71 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+
+#include "ami_adapter.h"
+
+#include <log.h>
+
+namespace wvcdm {
+
+AmiAdapter::AmiAdapter() :
+    analytics_item_("widevine") {
+  analytics_item_.generateSessionID();
+}
+
+AmiAdapter::AmiAdapter(int64_t parent) :
+    analytics_item_("widevine") {
+  analytics_item_.generateSessionID();
+  analytics_item_.setInt64("/drm/widevine/parent/external", parent);
+}
+
+AmiAdapter::~AmiAdapter() {
+  analytics_item_.setFinalized(true);
+  analytics_item_.selfrecord();
+}
+
+metrics::Report* AmiAdapter::NewReport() const {
+  return new AmiAdapter(analytics_item_.getSessionID());
+}
+
+void AmiAdapter::UpdateString(const std::string& metric_id,
+                              const std::string& value) {
+  analytics_item_.setCString(metric_id.c_str(), value.c_str());
+  LOGI(
+      "AmiAdapter (%lld) %s : %s",
+      analytics_item_.getSessionID(),
+      metric_id.c_str(),
+      value.c_str());
+}
+
+void AmiAdapter::UpdateInt32(const std::string& metric_id,
+                             int32_t value) {
+  analytics_item_.setInt32(metric_id.c_str(), value);
+  LOGI(
+      "AmiAdapter (%lld) %s : %ld",
+      analytics_item_.getSessionID(),
+      metric_id.c_str(),
+      value);
+}
+
+void AmiAdapter::UpdateInt64(const std::string& metric_id,
+                             int64_t value) {
+  analytics_item_.setInt64(metric_id.c_str(), value);
+  LOGI(
+      "AmiAdapter (%lld) %s : %lld",
+      analytics_item_.getSessionID(),
+      metric_id.c_str(),
+      value);
+}
+
+void AmiAdapter::UpdateDouble(const std::string& metric_id,
+                              double value) {
+  analytics_item_.setDouble(metric_id.c_str(), value);
+  LOGI(
+      "AmiAdapter (%lld) %s : %f",
+      analytics_item_.getSessionID(),
+      metric_id.c_str(),
+      value);
+}
+
+}  // namespace wvcdm
+
+