@Override
  public String toString() {
    if (getState() != State.RUNNING) {
      return super.toString();
    }
    return super.toString() + ", queuetimems=" + getRPCQueueTime() + ", starttimems="
      + getRPCStartTime() + ", clientaddress=" + clientAddress + ", remoteport=" + remotePort
      + ", packetlength=" + getRPCPacketLength() + ", rpcMethod=" + getRPC();
  }
Registers current handler client details.
@param clientAddress the address of the current client
@param remotePort    the port from which the client connected
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredRPCHandlerImpl.java