Define new atoms for Vehicle Maps Service.

Bug: 140889664
Test: N/A
Change-Id: I6bf37ed236e81fbcca50046b5a9b649685affb4a

cmds/statsd/src/atoms.proto

@@ -339,6 +339,7 @@ message Atom {
             228 [(allow_from_any_uid) = true];
         PerfettoUploaded perfetto_uploaded =
             229 [(log_from_module) = "perfetto"];
+        VmsClientConnectionStateChanged vms_client_connection_state_changed = 230;
     }
 
     // Pulled events will start at field 10000.
@@ -408,6 +409,7 @@ message Atom {
         SurfaceflingerStatsGlobalInfo surfaceflinger_stats_global_info = 10062;
         SurfaceflingerStatsLayerInfo surfaceflinger_stats_layer_info = 10063;
         ProcessMemorySnapshot process_memory_snapshot = 10064;
+        VmsClientStats vms_client_stats = 10065;
     }
 
     // DO NOT USE field numbers above 100,000 in AOSP.
@@ -3732,6 +3734,33 @@ message RoleRequestResultReported {
     optional Result result = 9;
 }
 
+/**
+ * Logs when a Vehicle Maps Service client's connection state has changed
+ *
+ * Logged from:
+ *   packages/services/Car/service/src/com/android/car/stats/VmsClientLog.java
+ */
+message VmsClientConnectionStateChanged {
+    // The UID of the VMS client app
+    optional int32 uid = 1 [(is_uid) = true];
+
+    enum State {
+        UNKNOWN = 0;
+        // Attempting to connect to the client
+        CONNECTING = 1;
+        // Client connection established
+        CONNECTED = 2;
+        // Client connection closed unexpectedly
+        DISCONNECTED = 3;
+        // Client connection closed by VMS
+        TERMINATED = 4;
+        // Error establishing the client connection
+        CONNECTION_ERROR = 5;
+    }
+
+    optional State state  = 2;
+}
+
 //////////////////////////////////////////////////////////////////////
 // Pulled atoms below this line //
 //////////////////////////////////////////////////////////////////////
@@ -7275,3 +7304,32 @@ message PerfettoUploaded {
     optional int64 trace_uuid_lsb = 2;
     optional int64 trace_uuid_msb = 3;
 }
+
+/**
+ * Pulls client metrics on data transferred via Vehicle Maps Service.
+ * Metrics are keyed by uid + layer.
+ *
+ * Pulled from:
+ *   packages/services/Car/service/src/com/android/car/stats/CarStatsService.java
+ */
+message VmsClientStats {
+    // UID of the VMS client app
+    optional int32 uid = 1 [(is_uid) = true];
+
+    // VMS layer definition
+    optional int32 layer_type = 2;
+    optional int32 layer_channel = 3;
+    optional int32 layer_version = 4;
+
+    // Bytes and packets sent by the client for the layer
+    optional int64 tx_bytes = 5;
+    optional int64 tx_packets = 6;
+
+    // Bytes and packets received by the client for the layer
+    optional int64 rx_bytes = 7;
+    optional int64 rx_packets = 8;
+
+    // Bytes and packets dropped due to client error
+    optional int64 dropped_bytes = 9;
+    optional int64 dropped_packets = 10;
+}