Private/Start-MonitoringLoop.ps1
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function Start-MonitoringLoop { [CmdletBinding()] param( [Parameter(Mandatory=$true)] [string] $monitorType, [Parameter(Mandatory=$true)] [psobject] $Config, [Parameter(Mandatory=$true)] [int] $UpdateInterval, [Parameter(Mandatory=$true)] [int] $MaxDataPoints ) begin { $SampleCount = 0 $StartTime = Get-Date } process { if ( $monitorType -in @('local','remoteSingle') ) { while ( $true ) { $SampleCount++ # Collect data from all counters foreach ( $Counter in $Config.Counters ) { try { if ( $Counter.IsAvailable ) { $return = $Counter.GetCurrentValue() $value = $return[0] $Counter.ExecutionDuration = $return[1] $Counter.AddDataPoint($Value, $MaxDataPoints) } else { Write-Warning "Counter '$($Counter.Title)' is not available: $($Counter.LastError)" Start-Sleep -Milliseconds 500 # Clear-Host is to fast to read anything } } catch { Write-Warning "Error reading counter '$($Counter.Title)': $($_.Exception.Message)" Pause # Clear-Host is to fast to read anything } } Show-SessionHeader -ConfigName $Config.Name -StartTime $StartTime -SampleCount $SampleCount # Separate counters by format $graphCounters = @() $tableCounters = @() foreach ( $Counter in $Config.Counters ) { if ( $Counter.HistoricalData.Count -gt 3 ) { # Need some data points switch ($Counter.Format) { "graph" { $graphCounters += $Counter } "table" { $tableCounters += $Counter } "both" { $graphCounters += $Counter $tableCounters += $Counter } default { $graphCounters += $Counter } # Default to graph } } else { Write-Host "$($Counter.GetFormattedTitle()): Collecting data... ($($Counter.HistoricalData.Count)/3 samples)" -ForegroundColor Yellow Write-Host "" } } # Show graphs first foreach ( $Counter in $graphCounters ) { try { Show-CounterGraph -Counter $Counter } catch { Write-Host "$($Counter.Title) Graph error: $($_.Exception.Message)" -ForegroundColor Red Write-Host "" } } # Show table if there are any table counters if ( $tableCounters.Count -gt 0 ) { try { Show-CounterTable -Counters $tableCounters -MonitorType $monitorType } catch { Write-Host "Table display error: $($_.Exception.Message)" -ForegroundColor Red Write-Host "" } } Start-Sleep -Seconds $UpdateInterval } } elseif ( $monitorType -eq 'remoteMulti' ) { while ( $true ) { $SampleCount++ # Collect all counters from all servers $allCounters = @() foreach ( $server in $Config.Servers ) { foreach ( $counterConfig in $server.PerformanceCounters ) { foreach ( $counter in $counterConfig.Counters ) { try { if ( $counter.IsAvailable ) { $return = $counter.GetCurrentValue() $value = $return[0] $counter.ExecutionDuration = $return[1] $counter.AddDataPoint($Value, $MaxDataPoints) $allCounters += $counter } else { Write-Warning "Counter '$($counter.Title)' on $($counter.ComputerName) is not available: $($counter.LastError)" Start-Sleep -Milliseconds 500 } } catch { Write-Warning "Error reading counter '$($counter.Title)' on $($counter.ComputerName): $($_.Exception.Message)" } } } } # Clear screen and show data Clear-Host Show-SessionHeader -ConfigName $Config.Name -StartTime $StartTime -SampleCount $SampleCount # Display table with all counters from all servers if ( $allCounters.Count -gt 0 ) { try { Show-CounterTable -Counters $allCounters -MonitorType $monitorType } catch { Write-Host "Table display error: $($_.Exception.Message)" -ForegroundColor Red Write-Host "" } } else { Write-Host "No data available from any server." -ForegroundColor Yellow } Start-Sleep -Seconds $UpdateInterval } } } end { } } |