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There is a newer version: 3.3.2
#!/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.

cd `dirname $0`
BIN_DIR=`pwd`
cd ..
DEPLOY_DIR=`pwd`
CONF_DIR=$DEPLOY_DIR/conf

SERVER_NAME=`sed '/^dubbo.application.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
SERVER_PROTOCOL=`sed '/^dubbo.protocol.name/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
SERVER_HOST=`sed '/^dubbo.protocol.host/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
SERVER_PORT=`sed '/^dubbo.protocol.port/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
LOGS_FILE=`sed '/^dubbo.log4j.file/!d;s/.*=//' conf/dubbo.properties | tr -d '\r'`
VM_ARGS_PERM_SIZE='PermSize'
VM_ARGS_METASPACE_SIZE='MetaspaceSize'
JAVA_8_VERSION="180"

if [ -z "$SERVER_HOST" ]; then
    SERVER_HOST='127.0.0.1'
fi

if [ -z "$SERVER_NAME" ]; then
    SERVER_NAME=`hostname`
fi

PIDS=`ps -ef | grep java | grep -v grep | grep "$CONF_DIR" |awk '{print $2}'`
if [ -n "$PIDS" ]; then
    echo "ERROR: The $SERVER_NAME already started!"
    echo "PID: $PIDS"
    exit 1
fi

if [ -n "$SERVER_PORT" ]; then
    SERVER_PORT_COUNT=`netstat -tln | grep $SERVER_PORT | wc -l`
    if [ $SERVER_PORT_COUNT -gt 0 ]; then
        echo "ERROR: The $SERVER_NAME port $SERVER_PORT already used!"
        exit 1
    fi
fi

LOGS_DIR=""
if [ -n "$LOGS_FILE" ]; then
    LOGS_DIR=`dirname $LOGS_FILE`
else
    LOGS_DIR=$DEPLOY_DIR/logs
fi
if [ ! -d $LOGS_DIR ]; then
    mkdir $LOGS_DIR
fi
STDOUT_FILE=$LOGS_DIR/stdout.log

LIB_DIR=$DEPLOY_DIR/lib
LIB_JARS=`ls $LIB_DIR|grep .jar|awk '{print "'$LIB_DIR'/"$0}'|tr "\n" ":"`

JAVA_OPTS=" -Djava.awt.headless=true -Djava.net.preferIPv4Stack=true "
JAVA_DEBUG_OPTS=""
if [ "$1" = "debug" ]; then
    JAVA_DEBUG_OPTS=" -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,address=8000,server=y,suspend=n "
fi
JAVA_JMX_OPTS=""
if [ "$1" = "jmx" ]; then
    JAVA_JMX_OPTS=" -Dcom.sun.management.jmxremote.port=1099 -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false "
fi
JAVA_MEM_OPTS=""
# set jvm args by different java version
JAVA_VERSION=`java -fullversion 2>&1 | awk -F[\"\.] '{print $2$3$4}' |awk -F"_" '{print $1}'`
echo $JAVA_VERSION
VM_ARGS=${VM_ARGS_PERM_SIZE}
# if you use dubbo in java 9
TEMP_VERSION=$(echo ${JAVA_VERSION} | grep "+")
if [[ "$TEMP_VERSION" != "" ]]; then
        JAVA_VERSION=$(echo ${JAVA_VERSION} | awk -F"+" '{print $1}')
fi
# compare java version
if [ "${JAVA_VERSION}" -ge ${JAVA_8_VERSION} ]; then
    VM_ARGS=${VM_ARGS_METASPACE_SIZE}
fi

# MaxInlineLevel=15 is the default since JDK 14 and can be removed once older JDKs are no longer supported
BITS=`java -version 2>&1 | grep -i 64-bit`
JAVA_MEM_OPTS=" -server -Xmx2g -Xms2g -Xmn256m -XX:${VM_ARGS}=128m -Xss512k -XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection -XX:LargePageSizeInBytes=128m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70 "

if [ -n "$BITS" ]; then
    JAVA_MAJOR_VERSION=${JAVA_VERSION%%[.|-]*}
    JAVA_MINOR_VERSION=$(echo $JAVA_VERSION | awk -F\. '{ print $2 }')
    if [ $JAVA_MAJOR_VERSION -ge 9 ] || ([ $JAVA_MAJOR_VERSION -ge 1 ] && [ $JAVA_MINOR_VERSION -ge 8 ]); then
      JAVA_MEM_OPTS=" -server -Xmx2g -Xms2g -Xmn256m -XX:${VM_ARGS}=128m -Xss512k -XX:LargePageSizeInBytes=128m -XX:+DisableExplicitGC -XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:G1HeapRegionSize=16m -XX:G1ReservePercent=25 -XX:InitiatingHeapOccupancyPercent=30 -XX:SoftRefLRUPolicyMSPerMB=0 -XX:SurvivorRatio=8 -XX:G1ReservePercent=15 "
    fi
else
    JAVA_MEM_OPTS=" -server -Xms1g -Xmx1g -XX:${VM_ARGS}=128m -XX:SurvivorRatio=2 -XX:+UseParallelGC "
fi

echo -e "Starting the $SERVER_NAME ...\c"
nohup java $JAVA_OPTS $JAVA_MEM_OPTS $JAVA_DEBUG_OPTS $JAVA_JMX_OPTS -classpath $CONF_DIR:$LIB_JARS org.apache.dubbo.container.Main > $STDOUT_FILE 2>&1 &

COUNT=0
while [ $COUNT -lt 1 ]; do    
    echo -e ".\c"
    sleep 1 
    if [ -n "$SERVER_PORT" ]; then
        if [ "$SERVER_PROTOCOL" == "dubbo" ]; then
    	    COUNT=`(sleep 1; echo -e '\n'; sleep 1; echo status; sleep 1)| telnet $SERVER_HOST $SERVER_PORT | grep -c OK`
        else
            COUNT=`netstat -an | grep $SERVER_PORT | wc -l`
        fi
    else
    	COUNT=`ps -ef | grep java | grep -v grep | grep "$DEPLOY_DIR" | awk '{print $2}' | wc -l`
    fi
    if [ $COUNT -gt 0 ]; then
        break
    fi
done

echo "OK!"
PIDS=`ps -ef | grep java | grep -v grep | grep "$DEPLOY_DIR" | awk '{print $2}'`
echo "PID: $PIDS"
echo "STDOUT: $STDOUT_FILE"