optional bytes pending_data = 7;
optional bool has_metacube_header = 8;
optional int32 sock = 9;
optional int64 bytes_received = 11;
optional int64 data_bytes_received = 12;
optional bytes pending_data = 7;
optional bool has_metacube_header = 8;
optional int32 sock = 9;
optional int64 bytes_received = 11;
optional int64 data_bytes_received = 12;