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# Copyright by The HDF Group.
# 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 COPYING file, which can be found at the root of the source code
# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#
# Tests for the swmr feature using virtual datasets.
$srcdir = '@srcdir@'
$utils_testdir=@H5_UTILS_TEST_BUILDDIR@
$testdir=@H5_TEST_BUILDDIR@
###############################################################################
## test parameters
###############################################################################
$Nwriters = 6 # number of writers (1 per source dataset)
$Nreaders = 5 # number of readers to launch
$nerrors = 0
###############################################################################
## definitions for message file to coordinate test runs
###############################################################################
$WRITER_MESSAGE = 'SWMR_WRITER_MESSAGE' # The message file created by writer that the open is complete
# This should be the same as the define in "test/swmr_common.h"
$MESSAGE_TIMEOUT = 300 # Message timeout length in secs
# This should be the same as the define in "test/h5test.h"
# Print a line-line message left justified in a field of 70 characters
# beginning with the word "Testing".
#
function Test-WithSpaces {
$SPACES=' '
#Write-Output "Testing $* $SPACES" | cut -c1-70 | tr -d '\012'
}
# To wait for the writer message file or till the maximum # of seconds is reached
# $Message is the message file to wait for
# This performs similar function as the routine h5_wait_message() in test/h5test.c
function Wait-Message {
[CmdletBinding()]
param (
[Parameter(Mandatory, ValueFromPipeline)]
[string]$TestPath, # Get the path of the message file to wait for
[Parameter(Mandatory, ValueFromPipeline)]
[string]$Message # Get the name of the message file to wait for
)
PROCESS {
$message = Join-Path -Path $TestPath -ChildPath $Message
$t0 = Get-Date # Get current time
$t1 = $t0
$difft = New-Timespan -Start $t0 -End $t1 # Initialize the time difference
$mexist = 0 # Indicate whether the message file is found
while ($difft.TotalSeconds -lt $MESSAGE_TIMEOUT) { # Loop till message times out
$t1 = Get-Date # Get current time in seconds
$difft = New-Timespan -Start $t0 -End $t1 # Calculate the time difference
#Write-Output "Check for $message : time=$difft"
if ([System.IO.File]::Exists($message)) { # If message file is found:
$mexist = 1 # indicate the message file is found
Remove-Item $message # remove the message file
break # get out of the while loop
}
}
if ($mexist -eq 0) {
# Issue warning that the writer message file is not found, continue with launching the reader(s)
Write-Warning -Message "$WRITER_MESSAGE is not found after waiting $MESSAGE_TIMEOUT seconds"
}
else {
Write-Output "$WRITER_MESSAGE is found"
}
}
}
###############################################################################
## Main
###############################################################################
# Check to see if the VFD specified by the HDF5_DRIVER environment variable
# supports SWMR.
$testprog = Join-Path -Path $utils_testdir -ChildPath swmr_check_compat_vfd.exe
$rp = Start-Process -FilePath $testprog -PassThru -Wait -NoNewWindow
if ($rp.ExitCode -ne 0) {
Write-Output ""
Write-Output "The VFD specified by the HDF5_DRIVER environment variable"
Write-Output "does not support SWMR."
Write-Output ""
Write-Output "SWMR acceptance tests skipped"
Write-Output ""
exit 0
}
Set-Location -Path vds_swmr_test
$testdir = Join-Path -Path $testdir -ChildPath vds_swmr_test
Write-Output ""
Write-Output "###############################################################################"
Write-Output "## Basic VDS SWMR test - writing to a tiled plane"
Write-Output "###############################################################################"
# Launch the file generator
Write-Output "launch the swmr_generator"
$rp = Start-Process -FilePath $testdir/vds_swmr_gen.exe -NoNewWindow -PassThru -Wait
if ($rp.ExitCode -ne 0) {
Write-Warning "generator had error"
$nerrors += 1
}
# Check for error and exit if one occurred
#Write-Output "nerrors=$nerrors"
if ($nerrors -ne 0) {
Write-Warning "VDS SWMR tests failed with $nerrors errors."
exit 1
}
# Launch the writers
Write-Output "launch the $Nwriters SWMR VDS writers (1 per source)"
$pid_writers = @()
$n = 0
while ($n -lt $Nwriters) {
$rp = Start-Process -FilePath $testdir/vds_swmr_writer.exe -NoNewWindow -PassThru -ArgumentList "$n" 2>&1 | tee swmr_writer.out.$n
$pid_writers += $rp.id
$n += 1
}
#Write-Output "pid_writers=$pid_writers"
# Sleep to ensure that the writers have started
Start-Sleep -Seconds 3
# Launch the readers
Write-Output "launch $Nreaders SWMR readers"
$pid_readers = @()
$n = 0
while ($n -lt $Nreaders) {
$rp = Start-Process -FilePath $testdir/vds_swmr_reader.exe -NoNewWindow -PassThru 2>&1 | tee swmr_reader.out.$n
$pid_readers += $rp.id
$n += 1
}
#Write-Output "pid_readers=$pid_readers"
# Collect exit code of the writers
foreach ($xpid in $pid_writers) {
#Write-Output "checked writer $xpid"
$result = Wait-Process -Id $xpid
if ($result.ExitCode -ne 0) {
Write-Warning "writer had error"
$nerrors += 1
}
}
# Collect exit code of the readers
# (they usually finish after the writers)
foreach ($xpid in $pid_readers) {
#Write-Output "checked reader $xpid"
$result = Wait-Process -Id $xpid
if ($result.ExitCode -ne 0) {
Write-Warning "reader had error"
$nerrors += 1
}
}
# Check for error and exit if one occurred
#Write-Output "nerrors=$nerrors"
if ($nerrors -ne 0) {
Write-Warning "VDS SWMR tests failed with $nerrors errors."
exit 1
}
###############################################################################
## Report and exit
###############################################################################
cd ..
#Write-Output "nerrors=$nerrors"
if ($nerrors -eq 0) {
Write-Output "VDS SWMR tests passed."
# if test -z "$HDF5_NOCLEANUP"; then
# # delete the test directory
# Remove-Item vds_swmr_test -Recurse
# fi
exit 0
}
else {
Write-Warning "VDS SWMR tests failed with $nerrors errors."
exit 1
}
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