#	Licensed Materials - Property of IBM
#
#	IBM Cognos Products: btsv
#
#	(C) Copyright IBM Corp. 2016, 2017
#
#	US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
#

# Get caRoot since this script locates in $caRoot/bin or $caRoot/bin64.
$curPSScriptRoot = split-path -parent $MyInvocation.MyCommand.Definition
$caRoot = Split-Path -Path $curPSScriptRoot
$caPIDFile = "$caRoot\logs\capids.log"
$wlpBootPIDFile = "$caRoot\logs\wlp_cogbootstrap_service.pid"
$allPIDFile = "$caRoot\logs\allpids.log"

# Function for get children PIDs. pid and name will be put into caPIDFile
Function GetChildPID {            
Param($aPID)            
	$allProc | Where { $_.ParentProcessID -eq $aPID} | ForEach-Object {            
		$aPName = '{0}' -f $_.Name
		if ( $aPName -ne "conhost.exe") {
			$pidName = '{0} {1}' -f $_.ProcessID, $_.Name | Out-File -append $caPIDFile
		}
		# Recurse call     
		GetChildPID -aPID $_.ProcessID            
	}            
}


# Main starts here
# Delete $caPIDFile if it exists
if ( Test-Path -Path $caPIDFile) {
	del $caPIDFile
}

# Check the existence of $wlpBootPIDFile. If yes get content else exit
if ( Test-Path -Path $wlpBootPIDFile) {
	$bootPID = Get-Content $wlpBootPIDFile
	if ( !$bootPID ) {
		exit 0
	}
}
else {
	exit 0
}

# Delete $allPIDFile if it exists
if ( Test-Path -Path $allPIDFile) {
	del $allPIDFile
}


# Put $bootPID and process name into $caPIDFile
$bootProc = Get-Process -id $bootPID
if ( $bootProc -ne $null ) {
	$pidName = '{0} {1}' -f $bootProc.Id, $bootProc.ProcessName | Out-File -append $caPIDFile
}

# Get information for all processes
$allProc  = Get-WmiObject -Class Win32_process

# Get information for all processes
$CAPath = [regex]::escape($caRoot)
$allProc | ForEach-Object {
    $procInfo = '{0} {1} {2} {3}' -f $_.ProcessID, $_.ParentProcessID, $_.Name, $_.Path
    $procPath = $_.Path
    if ( $procPath -cmatch $CAPath ) {
        "-- $procInfo" | Out-File -append $allPIDFile
    }
    else {
        "$procInfo" | Out-File -append $allPIDFile
    }
}

# Call function GetChildPID
GetChildPID -aPID $bootPID