Adds EngineGeolocationFeature for Blimp Geolocation project.

blimp/common/logging.cc

Index: blimp/common/logging.cc
diff --git a/blimp/common/logging.cc b/blimp/common/logging.cc
index 24d6060adb37028eca7f1d7933fa481ef8e7c26b..a6bc09c0266658e8dd15f91b82ff8a9e6b006d62 100644
--- a/blimp/common/logging.cc
+++ b/blimp/common/logging.cc
@@ -300,6 +300,46 @@ void ExtractBlobChannelMessageFields(const BlimpMessage& message,
   }
 }
 
+// Logs fields from GEOLOCATION messages.
+void ExtractGeolocationMessageFields(const BlimpMessage& message,
+                                     LogFields* output) {
+  switch (message.geolocation().type_case()) {
+    case GeolocationMessage::TypeCase::kUpdateListenState:
+      AddField("subtype", "UPDATE_LISTEN_STATE", output);
+      AddField("listen_state",
+               message.geolocation().update_listen_state().listen_state(),
+               output);
+      break;
+    case GeolocationMessage::TypeCase::kRequestRefresh:
+      AddField("subtype", "REQUEST_REFRESH", output);
+      break;
+    case GeolocationMessage::TypeCase::kLocation: {
+      const GeolocationPositionMessage& location =
+          message.geolocation().location();
+      AddField("subtype", "LOCATION", output);
+      AddField("latitude", location.coordinates().latitude(), output);
+      AddField("longitude", location.coordinates().longitude(), output);
+      AddField("altitude", location.coordinates().altitude(), output);
+      AddField("accuracy", location.coordinates().accuracy(), output);
+      AddField("altitude_accuracy", location.coordinates().altitude_accuracy(),
+               output);
+      AddField("heading", location.coordinates().heading(), output);
+      AddField("speed", location.coordinates().speed(), output);
+      AddField("timestamp_millis", location.timestamp_millis(), output);
+      break;
+    }
+    case GeolocationMessage::TypeCase::kError:
+      AddField("subtype", "ERROR", output);
+      AddField("error_code", message.geolocation().error().error_code(),
+               output);
+      AddField("error_message", message.geolocation().error().error_message(),
+               output);
+      break;
+    case GeolocationMessage::TypeCase::TYPE_NOT_SET:
+      break;
+  }
+}
+
 }  // namespace
 
 std::ostream& operator<<(std::ostream& out, const BlimpMessage& message) {
@@ -342,6 +382,10 @@ std::ostream& operator<<(std::ostream& out, const BlimpMessage& message) {
       AddField("type", "IME", &fields);
       ExtractImeMessageFields(message, &fields);
       break;
+    case BlimpMessage::kGeolocation:
+      AddField("type", "GEOLOCATION", &fields);
+      ExtractGeolocationMessageFields(message, &fields);
+      break;
     case BlimpMessage::FEATURE_NOT_SET:
       AddField("type", "<UNKNOWN>", &fields);
       break;