returns true if the connection is up concode_field_sep DTNHost fromNode concode_elem_sep DTNHost msgFromNode concode_elem_sep int bytesTransferred concode_elem_sep boolean isUp concode_elem_sep NetworkInterface fromInterface concode_elem_sep DTNHost toNode concode_elem_sep NetworkInterface toInterface concode_elem_sep Message msgOnFly concode_field_sep int startTransfer concode_elem_sep void abortTransfer concode_elem_sep int getTotalBytesTransferred concode_elem_sep boolean isInitiator concode_elem_sep boolean isMessageTransferred concode_elem_sep NetworkInterface gettoInterface concode_elem_sep void update concode_elem_sep void finalizeTransfer concode_elem_sep Message getMessage concode_elem_sep void setUpState concode_elem_sep int getRemainingByteCount concode_elem_sep boolean isReadyForTransfer concode_elem_sep DTNHost getOtherNode concode_elem_sep double getSpeed concode_elem_sep String toString concode_elem_sep void clearMsgOnFly concode_elem_sep NetworkInterface getOtherInterface concode_elem_sep NetworkInterface getfromInterface
boolean function ( ) { return this . isUp ; }