commit 475677e771f6f78d688607c3ef56a17625934dec
author Jeffrey Huang <jeffreyhuang@google.com> Mon Mar 30 19:52:07 2020 -0700
committer Jeffrey Huang <jeffreyhuang@google.com> Tue Mar 31 19:10:58 2020 -0700
tree 11d55940d5112ad996453340ddd09a13ab9487da
parent b8f5403d1753e793d95a5134384aff1a937e6cec

Load Metadata from Disk

Bug: 148280505
Test: bit statsd_test:*
Test: Manual - Added Config, Tested System Server Crash
Test: Manual - Added Config, Tested Device restart
Change-Id: Icd1b1e57bbf24e4a5676820a2b955f2034d4b37d

cmds/statsd/src/metadata_util.cpp

diff --git a/cmds/statsd/src/metadata_util.cpp b/cmds/statsd/src/metadata_util.cpp
index bfe850f..27ee59b 100644
--- a/cmds/statsd/src/metadata_util.cpp
+++ b/cmds/statsd/src/metadata_util.cpp
@@ -21,6 +21,8 @@
 namespace os {
 namespace statsd {
 
+using google::protobuf::RepeatedPtrField;
+
 void writeValueToProto(metadata::FieldValue* metadataFieldValue, const Value& value) {
     std::string storage_value;
     switch (value.getType()) {
@@ -68,6 +70,53 @@
     }
 }
 
+void writeFieldValuesFromMetadata(
+        const RepeatedPtrField<metadata::FieldValue>& repeatedFieldValueList,
+        std::vector<FieldValue>* fieldValues) {
+    for (const metadata::FieldValue& metadataFieldValue : repeatedFieldValueList) {
+        Field field(metadataFieldValue.field().tag(), metadataFieldValue.field().field());
+        Value value;
+        switch (metadataFieldValue.value_case()) {
+            case metadata::FieldValue::ValueCase::kValueInt:
+                value = Value(metadataFieldValue.value_int());
+                break;
+            case metadata::FieldValue::ValueCase::kValueLong:
+                value = Value(metadataFieldValue.value_long());
+                break;
+            case metadata::FieldValue::ValueCase::kValueFloat:
+                value = Value(metadataFieldValue.value_float());
+                break;
+            case metadata::FieldValue::ValueCase::kValueDouble:
+                value = Value(metadataFieldValue.value_double());
+                break;
+            case metadata::FieldValue::ValueCase::kValueStr:
+                value = Value(metadataFieldValue.value_str());
+                break;
+            case metadata::FieldValue::ValueCase::kValueStorage:
+                value = Value(metadataFieldValue.value_storage());
+                break;
+            default:
+                break;
+        }
+        FieldValue fieldValue(field, value);
+        fieldValues->emplace_back(field, value);
+    }
+}
+
+MetricDimensionKey loadMetricDimensionKeyFromProto(
+        const metadata::MetricDimensionKey& metricDimensionKey) {
+    std::vector<FieldValue> dimKeyInWhatFieldValues;
+    writeFieldValuesFromMetadata(metricDimensionKey.dimension_key_in_what(),
+            &dimKeyInWhatFieldValues);
+    std::vector<FieldValue> stateValuesFieldValues;
+    writeFieldValuesFromMetadata(metricDimensionKey.state_values_key(), &stateValuesFieldValues);
+
+    HashableDimensionKey dimKeyInWhat(dimKeyInWhatFieldValues);
+    HashableDimensionKey stateValues(stateValuesFieldValues);
+    MetricDimensionKey metricKey(dimKeyInWhat, stateValues);
+    return metricKey;
+}
+
 }  // namespace statsd
 }  // namespace os
 }  // namespace android
\ No newline at end of file