WinLLDPService.config.example.ps1

# Fetch system specific information

# -- Get Operating system name such as "Win 10 Pro"
$replaceTable = @{
    "Microsoft" = ""
    "Windows" = "Win"
    "Professional" = "Pro"
    "Ultimate" = "Ult"
    "Enterprise" = "Ent"
    "Edition" = "Ed"
    "Service Pack" = "SP"
}

$operatingsystem = (Get-WmiObject Caption -Class Win32_OperatingSystem | Select-Object -ExpandProperty Caption)
$replaceTable.GetEnumerator() | ForEach-Object {
    $operatingsystem = $operatingsystem -replace $_.Key, $_.Value
}

$operatingsystem = $operatingsystem.Trim()

# -- Get serial number
$serialnumber = (Get-WmiObject SerialNumber -Class Win32_bios | Select-Object -ExpandProperty SerialNumber)

# -- Get processor ID
$processorid = (Get-WmiObject ProcessorId -Class Win32_Processor | Select-Object -ExpandProperty ProcessorId)

# -- Get logged in user list (not recommended for LLDP, see SNMP)
$explorerprocesses = @(Get-WmiObject -Query "SELECT * FROM Win32_Process WHERE Name='explorer.exe'" -ErrorAction SilentlyContinue)

$logged_in_users_list = @{}

if ($explorerprocesses.Count -ne 0)
{
    foreach ($i in $explorerprocesses)
    {
        $username = $i.GetOwner().User
        $domain = $i.GetOwner().Domain.ToLower()
        if(!$logged_in_users_list.ContainsKey($domain)) {
            $logged_in_users_list.Add($domain, $username)
        }
    }
}

# change to <domain>: user1, user2, ..
$logged_in_users_list = $logged_in_users_list | Sort-Object
$logged_in_users = ""
foreach($dom in $logged_in_users_list.KEYS.GetEnumerator()) {
  $logged_in_users += $dom + ": "
  foreach($user in $logged_in_users_list[$dom]) {
    $logged_in_users += $user + ", "
  }
}
$logged_in_users = $logged_in_users.Trim().TrimEnd(',')

# -- Get uptime (not recommended for LLDP, see SNMP)
$up = (Get-Date) - [Management.ManagementDateTimeConverter]::ToDateTime((Get-WmiObject LastBootUpTime -Class Win32_OperatingSystem).LastBootUpTime)
# change to XXXdXXhXXmXXs
$uptime = "{0:D3}d{1:D2}h{2:D2}m{3:D2}s" -f $up.Days, $up.Hours, $up.Minutes, $up.Seconds


# Initialize WinLLDPService.Configuration object
$config = New-Object WinLLDPService.Configuration

$config.PortDescription.Add("my new port descr..")

# Add operating system
$config.SystemDescription.Add("OS: " + $operatingsystem)

# Add serial number
$config.SystemDescription.Add("SN: " + $serialnumber)

# Add processor ID
$config.SystemDescription.Add("ID: " + $processorid)

# Add users logged in
$config.SystemDescription.Add("U: " + $logged_in_users_list)

# Add uptime
$config.SystemDescription.Add("Up: " + $uptime)

$config.SystemName.Add("my machine")
$config.Separator = "|"

# Must always return WinLLDPService.Configuration object
Return $config