管理online的shell程序

				
				
				PRS Technologies, Inc. - script: connect_type_log.sh
				
																A.CLASS1 {				background-color: #000066;				  color: white;				  letter-spacing: 0.2ex;				  font-size: 14pt;				  text-decoration: none;				}								A:hover.CLASS1 {				  background-color: #ffffcc;				  color: black;				}								-->												
				defaultStatus = "PRS Technologies Inc. - script: connect_type_log.sh";
				
				
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				connect_type_log.sh
				
				
				
				
				
				
				################################################################################
				#!/usr/bin/ksh
				################################################################################
				#
				#   Module:         connect_type_log.sh
				#   Author:         Peter R. Schmidt
				#   Description:    Count and log by type of connection
				#
				#	Arguments
				#
				#	Argment:	-v	Interactive - display to screen - no e-mail
				#
				#   Change Log
				#
				#     Date    Name              Description.................
				#   09/19/01  Peter R. Schmidt  Start Program 
				#
				################################################################################
				
				FG=false
				
				for ARG
				do
					case "$ARG" in
						-v)	FG=true;;
					esac
				done
				
				. /elite/custom/run.elite
				
				EMAIL_LIST="sysadmin"
				
				LOGDIR=/elite/work/logs
				LOGFILE=$LOGDIR/connect_type.log
				
				if [ ! -d $LOGDIR ]; then
					echo "Error: connect_type_log.sh: Directory: $LOGDIR does not exist!"
					exit 1
				fi
				
				#-------------------------------------------------------------------------------
				
				SHM=`onstat -c | egrep -i NETTYPE | grep -i ipcshm |
				awk '
				{
				        split ($2,a,",")
					limit=a[2] * a[3]
				
					print limit
				}
				'`
				
				TCP=`onstat -c | egrep -i NETTYPE | egrep -i "soctcp|tlitcp" |
				awk '
				{
				        split ($2,a,",")
					limit=a[2] * a[3]
				
					print limit
				}
				'`
				
				#-------------------------------------------------------------------------------
				
				if [ "x$SHM" = "x" ]; then
					echo "Error: connect_type_log.sh: unable to compute SHM limit"
					exit 1
				fi
				
				if [ "x$TCP" = "x" ]; then
					echo "Error: connect_type_log.sh: unable to compute TCP limit"
					exit 1
				fi
				
				#-------------------------------------------------------------------------------
				
				UDATE=`date +%m/%d/%y`
				UTIME=`date +%H:%M:%S`
				
				onstat -g ntu | egrep "ipcshm|soctcp|tlitcp" |
				awk '
				
				{
					NETSCB=$1
					CTYPE=$2
					THREAD=$3
					NAME=$4
					SID=$5
					FD=$6
					POLL=$7
					READS=$8
					WRITES=$9
					QNRM=$10
					QEXP=$11
				
					## printf "Debug: CTYPE=%s\n",CTYPE
				
					if (CTYPE == "ipcshm") {
						cnt_shm++
					} else {
						if (CTYPE == "soctcp" || CTYPE == "tlitcp" ) {
							cnt_tcp++
						} else {
							cnt_oth++
						}
					}
				
					cnt_tot++
				}
				
				END {
				
					msg1=""
					msg2=""
					msg3=""
				
					if (cnt_shm > shm_limit) {
						msg1="WARNING: shm connection limit exceeded"
					}
				
					if (cnt_tcp > tcp_limit) {
						msg2="WARNING: tcp connection limit exceeded"
					}
				
					msg3=msg1 " " msg2
				
					printf "%s %s total: %d, shm %d (limit %d), tcp=%d (limit %d), other=%d %s\n",
						udate,utime,cnt_tot,cnt_shm,shm_limit,cnt_tcp,tcp_limit,cnt_oth,msg3
				}
				
				' shm_limit=$SHM tcp_limit=$TCP udate=$UDATE utime=$UTIME >> $LOGFILE
				
				
				if [ $FG = true ]; then
					tail -1 $LOGFILE
				else
					CNT_WARNING=`tail -1 $LOGFILE | grep -c WARNING`
				
					if [ $CNT_WARNING != 0 ]; then
				   	tail -1 $LOGFILE | mailx -s "Warning: Informix connection limit exceeded" $EMAIL_LIST
					fi
				fi
				
				################################################################################
				
				
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