start-mast.txt

EM算法的改进

#!/bin/sh
#
# $Id: start-mast.txt 1339 2006-09-21 19:46:28Z tbailey $
# $Log$
# Revision 1.8  2005/10/07 05:33:55  nadya
# keep uniform name MEME_LOGS throughout scripts.
#
# Revision 1.7  2005/10/05 06:18:35  nadya
# use full path for "rm". Asssume everybody has /bin/rm.
#
# Revision 1.6  2005/10/02 05:48:07  nadya
# use variable to call meme-client
#
# Revision 1.5  2005/08/25 21:04:41  nadya
# check for config file existance
#
# Revision 1.4  2005/08/24 00:32:55  nadya
# use csh scripts for now when starting the servers
#
# Revision 1.3  2005/08/12 17:51:03  nadya
# use meme_config file to set variables
#
# Revision 1.2  2005/08/09 23:08:04  nadya
# change completely. eliminates need for start-server, mast.init.start, mast-server.
#
# Revision 1.1.1.1  2005/07/29 00:02:18  nadya
# Importing from meme-3.0.14, and adding configure/make
#

# load localization variables configured during install
if [ -f @MEMEDIR@/etc/meme_config ] ; then
    . @MEMEDIR@/etc/meme_config
else
    echo "@MEMEDIR@/etc/meme_config does not exist. Meme installation is incomplete"
    exit 1
fi


#######################################################
#            define functions
#######################################################

# Set logfile
func_log () {
    log=$MEME_LOGS/mast.startup.log
}

# Prints usage command
func_usage () {
    func_log
    echo "Uses meme-client to check if server is running."
    echo "If not, starts the mast-server and updates"
    echo "file $log"
}

# Check if server is alive   
func_ping() {
    tmpfile=/tmp/start-mast.$$
    echo "ping" > $tmpfile
    $MEME_BIN/$MEME_CLIENT_EXEC $MAST_PORT $HOST $tmpfile 1
    ALIVE=$?
    if [ -f $tmpfile ] ; then
       /bin/rm -f $tmpfile
    fi
}

# If server is already running do nothing, otherwise
# start the server, and update the server log
func_start () {
    if [ $ALIVE -eq 0 ] ; then
        echo Mast-server is already running
    else
        echo Starting mast-server ...
        func_log
        touch $log
        echo "" >> $log
        date >> $log
        nohup $MEME_BIN/mast-server $MAST_PORT $MEME_BIN/$MAST_SH >> $log 2>&1 &
        echo Mast-server started
      fi
}

#######################################################
#            main
#######################################################

if [ $# -gt 1 ] ; then
    func_usage 1>&2
    exit 1
else
    func_ping
    func_start
fi