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#! /bin/sh
#
# Copyright by The HDF Group.
# Copyright by the Board of Trustees of the University of Illinois.
# All rights reserved.
#
# This file is part of HDF5. The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the files COPYING and Copyright.html. COPYING can be found at the root
# of the source code distribution tree; Copyright.html can be found at the
# root level of an installed copy of the electronic HDF5 document set and
# is linked from the top-level documents page. It can also be found at
# http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have
# access to either file, you may request a copy from help@hdfgroup.org.
#
#
# Test script for the flush/evict single objects feature.
#
# This test file doesn't actually perform any tests, rather, it acts
# as a process manager for the 'flushrefresh' test file, which is where
# the tests are actually housed. The reason this script exists is because
# the verification of this feature needs to occur in separate processes
# from the one in which the file is being manipulated in. (i.e., we have
# a single writer process, and various reader processes spawning off
# and doing the verification that individual objects are being
# correctly flushed).
#
# Programmer:
# Mike McGreevy
# Tuesday, July 20, 2010
###############################################################################
## test variables
###############################################################################
# Number of errors encountered during test run.
nerrors=0
# Set up a function to check the current time since the epoch - ideally, we'd
# like to use Perl. If it wasn't detected by configure, then use date, though
# this is less portable and might cause problems on machines that don't
# recognize the +%s option (like Solaris).
#
# Note that PERL will resolve to true or false, not a path.
PERL=@PERL@
if test -n "$PERL"; then
TimeStamp()
{
time=`perl -e 'print int(time)'`
echo "$time"
}
else
TimeStamp()
{
time=`date +%s`
echo "$time"
}
fi
###############################################################################
## Main
###############################################################################
# The build (current) directory might be different than the source directory.
if test -z "$srcdir"; then
srcdir=.
fi
# Check to see if the VFD specified by the HDF5_DRIVER environment variable
# supports SWMR.
./swmr_check_compat_vfd
rc=$?
if [ $rc -ne 0 ] ; then
echo
echo "The VFD specified by the HDF5_DRIVER environment variable"
echo "does not support SWMR."
echo
echo "flush/refresh tests skipped"
echo
exit 0
fi
# ========================
# Launch the Test Program.
# ========================
./flushrefresh &
pid_main=$!
# =================================================
# Set up/initialize some variables to be used later
# =================================================
testfile=flushrefresh.h5
startsignal=flushrefresh_VERIFICATION_START
endsignal=flushrefresh_VERIFICATION_DONE
timeout_length=300
timedout=0
verification_done=0
if [ -e $testfile ]; then
rm $testfile
fi
# =======================================
# Run flush verification on test program.
# =======================================
until [ $verification_done -eq 1 ]; do
# Wait for signal from test program that verification routine can run.
before=`TimeStamp`
until [ -s $startsignal ]; do
after=`TimeStamp`
timediff=`expr $after - $before`
if [ $timediff -gt $timeout_length ]; then
nerrors=`expr $nerrors + 1`
timedout=1
break
fi
done
# Check to see if we timed out looking for the signal before continuing.
if [ $timedout -gt 0 ]; then
echo timed out waiting for signal from test program.
break
fi
# Read in test routine parameters from signal file, then delete signal file.
param1=`head -1 $startsignal`
param2=`tail -1 $startsignal`
rm $startsignal
# Check if we're done with verifications, otherwise run the specified verification.
if [ "$param1" = "VERIFICATION_DONE" ]; then
verification_done=1
echo "all flush verification complete" > $endsignal
else
./flushrefresh $param1 $param2
echo "verification flush process done" > $endsignal
fi
done
# =========================================
# Run refresh verification on test program.
# =========================================
if [ $timedout -eq 0 ]; then
until [ $verification_done -eq 2 ]; do
# Wait for signal from test program that verification routine can run.
before=`TimeStamp`
until [ -s $startsignal ]; do
after=`TimeStamp`
timediff=`expr $after - $before`
if [ $timediff -gt $timeout_length ]; then
nerrors=`expr $nerrors + 1`
timedout=1
break
fi
done
# Check to see if we timed out looking for the signal before continuing.
if [ $timedout -gt 0 ]; then
echo timed out waiting for signal from test program.
break
fi
# Read in test routine parameter from signal file, then delete signal file.
param1=`head -n 1 $startsignal`
rm $startsignal
# Check if we're done with verifications, otherwise run the specified verification.
if [ "$param1" = "VERIFICATION_DONE" ]; then
verification_done=2
echo "all refresh verification complete" > $endsignal
else
./flushrefresh $param1
echo "refresh verifiction process done" > $endsignal
fi
done
fi
# ============================================
# Wait for main to finish up, and end testing.
# ============================================
wait $pid_main
if test $? -ne 0; then
echo flushrefresh had error
nerrors=`expr $nerrors + 1`
fi
###############################################################################
## Report and exit
###############################################################################
if test $nerrors -eq 0 ; then
echo "flush/refresh objects tests passed."
exit 0
else
echo "flush/refresh objects tests failed with $nerrors errors."
exit 1
fi
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