| #!/bin/bash |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| |
| DATANODE_CONF="`dirname "$0"`/../conf" |
| dn_rpc_port=`sed '/^dn_rpc_port=/!d;s/.*=//' ${DATANODE_CONF}/iotdb-datanode.properties` |
| |
| echo "check whether the rpc_port is used..., port is" $dn_rpc_port |
| |
| if type lsof > /dev/null 2>&1 ; then |
| PID=$(lsof -t -i:"${dn_rpc_port}" -sTCP:LISTEN) |
| elif type netstat > /dev/null 2>&1 ; then |
| PID=$(netstat -anp 2>/dev/null | grep ":${dn_rpc_port} " | grep ' LISTEN ' | awk '{print $NF}' | sed "s|/.*||g" ) |
| else |
| echo "" |
| echo " Error: No necessary tool." |
| echo " Please install 'lsof' or 'netstat'." |
| exit 1 |
| fi |
| |
| PID_VERIFY=$(ps ax | grep -i 'DataNode' | grep java | grep -v grep | awk '{print $1}') |
| if [ -z "$PID" ]; then |
| echo "No DataNode to stop" |
| if [ "$(id -u)" -ne 0 ]; then |
| echo "Maybe you can try to run in sudo mode to detect the process." |
| fi |
| exit 1 |
| elif [[ "${PID_VERIFY}" =~ ${PID} ]]; then |
| kill -s TERM "$PID" |
| echo "Stop DataNode, PID:" "$PID" |
| else |
| echo "No DataNode to stop" |
| exit 1 |
| fi |
| |
