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<HTML><HEAD><TITLE>PRS Technologies, Inc. - script: check_new_segments.sh</TITLE><META NAME="Description" content="PRS Technologies Inc. - Check to see if any new Informix shared memory virtual segments have been added"><STYLE TYPE="text/css"><!--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;}--></STYLE><SCRIPT>defaultStatus = "PRS Technologies Inc. - script: check_new_segments.sh";</SCRIPT></HEAD></CENTER><CENTER><TABLE border=0 cellspacing=0 cellpadding=0 width=90%><TR><TD> <CENTER> <IMG SRC="../gif/prs_tech_top_of_page1.gif" border=0 align=center alt="PRS Technologies Home Page"> </CENTER></TD></TR><TR><TD> <CENTER> <TABLE border=2 cellspacing=0 cellpadding=0> <TR> <td><A HREF="../index.shtml" CLASS=CLASS1> Home </A> <td><A HREF="../resume.shtml" CLASS=CLASS1> Associates </A> <td><A HREF="../references.shtml" CLASS=CLASS1> References </A> <td><A HREF="../downloads.shtml" CLASS=CLASS1> Downloads </A> <td><A HREF="../elite1.shtml" CLASS=CLASS1> Elite </A> <td><A HREF="../links.shtml" CLASS=CLASS1> Links </A> <td><A HREF="../contacts.shtml" CLASS=CLASS1> Contact Us </A> </TR> </TABLE> </CENTER></TD></TR></TABLE></CENTER><BR><CENTER><TABLE border=4 cellpadding=4 bgcolor=cornsilk><tr><td><font color=blue size=+2><B>check_new_segments.sh</B></font></td></tr></table></CENTER><XMP>#!/bin/sh################################################################################# Module: check_new_segments.sh# Author: Peter R. Schmidt# # Description: ## Check to see if any new Informix shared memory virtual segments have been added.## Change Log## Date Who Description## 10/17/2000 Peter Schmidt Start Program# 02/20/2001 Peter Schmidt Make sure Informix is up and the previous file exists ($LASTCNT > 0)#################################################################################EXCLUDE_LIST1="^$|^TIMESTAMP:|Informix Dynamic|Segment Summary|Total\:|class blkused blkfree|locked in memory"#-------------------------------------------------------------------------------# Set the Informix environment#-------------------------------------------------------------------------------ENV_FILE=/usr/local/bin/setenv.shif [ -x $ENV_FILE ]then . $ENV_FILE > /dev/nullelse echo "Error: the file used to set the Informix environment does not exist!" echo "The missing filename is: $ENV_FILE" exit 1fiif [ "x$INFORMIXDIR" = "x" ] # Is my environment already set ?then # Note: You can set the Informix environment several ways. # You can hardcode it here - or else you can set it using a file. # If you hardcode it here, it would look something like this... # #export INFORMIXDIR=/opt/informix #export INFORMIXSERVER=myserver_shm #export ONCONFIG=onconfig.myserver # If you set it using a file, it might look like this... ENV_FILE=/usr/local/bin/setenv.sh if [ -x $ENV_FILE ] then . $ENV_FILE else echo "Error: the file used to set the Informix environment does not exist!" echo "The missing filename is: $ENV_FILE" exit 1 fifiINFORMIXHOME=${INFORMIXHOME:-"/home/informix"}LASTTIME=$INFORMIXHOME/logs/onstat_g_seg.lastTHISTIME=$INFORMIXHOME/logs/onstat_g_seg.new#-------------------------------------------------------------------------------# Check to make sure this directory exists#-------------------------------------------------------------------------------if [ ! -d $INFORMIXHOME/logs ]then echo "Error: $0: the directory $INFORMIXHOME does not exist!" echo "I don't know where to put the output from the last onstat -g seg." exit 1fi#-------------------------------------------------------------------------------# Make sure the instance is up. If not - then just exit.#-------------------------------------------------------------------------------if [ `$INFORMIXDIR/bin/onstat 2>&- | /usr/bin/grep -c "not initialized"` -ne 0 ]then exit 0fi#-------------------------------------------------------------------------------# Get previous number of virtual segments#-------------------------------------------------------------------------------LASTCNT=0if [ -f $LASTTIME ]then for CLASS in `cat $LASTTIME | egrep -v "$EXCLUDE_LIST1" | awk '{print $6}'` do if [ $CLASS = "V" ] then LASTCNT=`expr $LASTCNT + 1` fi done fi#-------------------------------------------------------------------------------# Save latest number of segments#-------------------------------------------------------------------------------NEWDATE=`date`echo "TIMESTAMP: $NEWDATE" > $THISTIMEonstat -g seg >> $THISTIME#-------------------------------------------------------------------------------# Get the latest number of virtual segments#-------------------------------------------------------------------------------NEWCNT=0for CLASS in `cat $THISTIME | egrep -v "$EXCLUDE_LIST1" | awk '{print $6}'`do if [ $CLASS = "V" ] then export NEWCNT=`expr $NEWCNT + 1` fidone #-------------------------------------------------------------------------------# Compare the counts#-------------------------------------------------------------------------------if [ $NEWCNT -gt $LASTCNT -a $LASTCNT -gt 0 ]then echo "Attention: the number of Informix shared memory Virtual segments has increased!" echo echo "The Virtual segment count increased from $LASTCNT to $NEWCNT" echo echo "--------------------------------------------------------------------------------" echo "PREVIOUS segment summary" cat $LASTTIME echo "--------------------------------------------------------------------------------" echo "LATEST segment summary" cat $THISTIME echo "--------------------------------------------------------------------------------" echofi#-------------------------------------------------------------------------------# Replace the file for the next check# Note: if the NEW count is smaller then the LAST count, that implies # that the Informix engine was bounced or segments were freed up. No problem.#-------------------------------------------------------------------------------rm -f $LASTTIMEmv $THISTIME $LASTTIME</XMP><CENTER><TABLE border=2 cellspacing=0 cellpadding=0><TR><td><A HREF="../index.shtml" CLASS=CLASS1> Home </A><td><A HREF="../resume.shtml" CLASS=CLASS1> Associates </A><td><A HREF="../references.shtml" CLASS=CLASS1> References </A><td><A HREF="../downloads.shtml" CLASS=CLASS1> Downloads </A><td><A HREF="../elite1.shtml" CLASS=CLASS1> Elite </A><td><A HREF="../links.shtml" CLASS=CLASS1> Links </A><td><A HREF="../contacts.shtml" CLASS=CLASS1> Contact Us </A></TR></TABLE></CENTER></BODY></HTML>⌨️ 快捷键说明
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