154 lines
8.4 KiB
PowerShell
154 lines
8.4 KiB
PowerShell
# Script Name: lm1200-prtg-usage.v1.ps1
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# Beschreibung: Überwacht einen Netgear LM1200 auf Traffic und Netzwerkstatus
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# Aufruf: powershell -NoProfile -ExecutionPolicy Bypass -File .\lm1200-prtg-usage.v1.ps1 -LmIp IP_ADRESSE -LmPass "MEIN_PASSWORD"
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# Autor: Patrick Asmus
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# Web: https://www.cleveradmin.de
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# Git-Reposit.: https://git.techniverse.net/scriptos/lm1200-prtg-datausage-sensor.git
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# Version: 1.0
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# Datum: 23.09.2025
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# Modifikation: Release Version 1
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#####################################################
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param(
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[Parameter(Mandatory = $true)][string]$LmIp,
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[ValidateSet("http","https")][string]$LmProto = "http",
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[Parameter(Mandatory = $true)][string]$LmPass,
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[int]$TimeoutSec = 10,
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[switch]$InsecureTls,
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[double]$MinRemainingGiB = [double]::NaN,
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[double]$MaxPercentUsed = [double]::NaN,
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[switch]$TripSensorOnThreshold
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)
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$ErrorActionPreference = 'Stop'
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$ProgressPreference = 'SilentlyContinue'
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[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
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[System.Threading.Thread]::CurrentThread.CurrentCulture = [System.Globalization.CultureInfo]::InvariantCulture
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[System.Threading.Thread]::CurrentThread.CurrentUICulture = [System.Globalization.CultureInfo]::InvariantCulture
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$Base = "${LmProto}://${LmIp}"
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$Sess = New-Object Microsoft.PowerShell.Commands.WebRequestSession
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$Headers = @{ "Accept"="application/json"; "X-Requested-With"="XMLHttpRequest" }
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$HasBasic = $PSVersionTable.PSVersion.Major -lt 6
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if ($LmProto -eq "https" -and $InsecureTls) {
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Add-Type @"
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using System.Net;
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using System.Security.Cryptography.X509Certificates;
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public class TrustAllCertsPolicy : ICertificatePolicy {
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public bool CheckValidationResult(ServicePoint srvPoint, X509Certificate certificate, WebRequest request, int certificateProblem) { return true; }
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}
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"@ | Out-Null
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[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
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}
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function Invoke-Json([string]$Uri) {
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if ($HasBasic) { Invoke-RestMethod -UseBasicParsing -Uri $Uri -Headers $Headers -WebSession $Sess -TimeoutSec $TimeoutSec -MaximumRedirection 5 }
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else { Invoke-RestMethod -Uri $Uri -Headers $Headers -WebSession $Sess -TimeoutSec $TimeoutSec -MaximumRedirection 5 }
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}
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function Invoke-Post([string]$Uri, [hashtable]$Form) {
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if ($HasBasic) { Invoke-WebRequest -UseBasicParsing -Uri $Uri -Method Post -Body $Form -ContentType "application/x-www-form-urlencoded" -Headers @{'X-Requested-With'='XMLHttpRequest'} -WebSession $Sess -TimeoutSec $TimeoutSec | Out-Null }
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else { Invoke-WebRequest -Uri $Uri -Method Post -Body $Form -ContentType "application/x-www-form-urlencoded" -Headers @{'X-Requested-With'='XMLHttpRequest'} -WebSession $Sess -TimeoutSec $TimeoutSec | Out-Null }
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}
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function XmlEsc([string]$s){
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if($null -eq $s){ return "" }
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($s -replace '&','&') -replace '<','<' -replace '>','>'
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}
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function Num([object]$x){ if($null -eq $x){[double]0}else{ try{[double]$x}catch{[double]0}} }
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function ChannelXml([string]$name,[double]$value,[string]$unit,[string]$customUnit,[bool]$isFloat){
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$valStr = $value.ToString([System.Globalization.CultureInfo]::InvariantCulture)
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$n = XmlEsc $name
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$cu = if($customUnit){ XmlEsc $customUnit } else { "" }
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$sb = New-Object System.Text.StringBuilder
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[void]$sb.Append("<result><channel>$n</channel><value>$valStr</value>")
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if($unit){ [void]$sb.Append("<unit>$unit</unit>") }
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if($customUnit){ [void]$sb.Append("<customunit>$cu</customunit>") }
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if($isFloat){ [void]$sb.Append("<float>1</float><decimalmode>2</decimalmode>") }
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[void]$sb.Append("</result>")
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$sb.ToString()
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}
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function Write-PrtgError([string]$msg){ "<prtg><error>1</error><text>$(XmlEsc $msg)</text></prtg>" }
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function Write-PrtgOk([System.Collections.Generic.List[string]]$results,[string]$text="OK",[bool]$trip=$false,[string]$tripText=""){
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$sb=New-Object System.Text.StringBuilder
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[void]$sb.Append("<prtg>")
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foreach($r in $results){ [void]$sb.Append($r) }
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$t = if($trip -and $tripText){ $tripText } else { $text }
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[void]$sb.Append("<text>$(XmlEsc $t)</text>")
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if($trip){ [void]$sb.Append("<error>1</error>") }
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[void]$sb.Append("</prtg>")
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$sb.ToString()
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}
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function Get-DaysToBilling([int]$billingDay){
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if($billingDay -lt 1 -or $billingDay -gt 31){ return [double]::NaN }
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$now = [DateTime]::Now.Date
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$daysInThis = [DateTime]::DaysInMonth($now.Year, $now.Month)
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$targetThis = [DateTime]::new($now.Year, $now.Month, [Math]::Min($billingDay,$daysInThis))
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if($now -lt $targetThis){ return [double]([int]($targetThis - $now).TotalDays) }
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$next = $now.AddMonths(1)
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$daysInNext = [DateTime]::DaysInMonth($next.Year, $next.Month)
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$targetNext = [DateTime]::new($next.Year, $next.Month, [Math]::Min($billingDay,$daysInNext))
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return [double]([int]($targetNext - $now).TotalDays)
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}
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try{
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$model1 = Invoke-Json "$Base/api/model.json"
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$token = $model1.session.secToken
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if(-not $token){ throw "secToken nicht gefunden (Login-Flow geaendert?)" }
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Invoke-Post "$Base/Forms/config" @{
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token = $token; err_redirect='/index.html?loginfailed'; ok_redirect='/index.html'; 'session.password'=$LmPass.Trim()
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}
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$m = Invoke-Json "$Base/api/model.json"
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$GiB=[double][Math]::Pow(2,30); $MiB=[double][Math]::Pow(2,20)
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$usedBytes = Num $m.wwan.dataUsage.generic.dataTransferred
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$limitBytes = Num $m.wwan.dataUsage.generic.billingCycleLimit
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$billDayRaw = [int](Num $m.wwan.dataUsage.generic.billingDay)
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$limitKnown = $limitBytes -gt 0
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$remainBytes = if($limitKnown){$limitBytes-$usedBytes}else{[double]::NaN}
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$usedGiB = [Math]::Round(($usedBytes/$GiB), 2)
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$limitGiB = if($limitKnown){[Math]::Round(($limitBytes/$GiB), 2)}else{[double]::NaN}
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$remainGiB = if($limitKnown){[Math]::Round(($remainBytes/$GiB), 2)}else{[double]::NaN}
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$percentUsed = if($limitKnown){[Math]::Round((($usedBytes*100.0)/$limitBytes), 2)}else{[double]::NaN}
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$rxMiB=[Math]::Round((Num $m.wwan.dataTransferred.rxb)/$MiB,2)
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$txMiB=[Math]::Round((Num $m.wwan.dataTransferred.txb)/$MiB,2)
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$totMiB=[Math]::Round((Num $m.wwan.dataTransferred.totalb)/$MiB,2)
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$daysToBill = if($limitKnown -and $billDayRaw -gt 0){ Get-DaysToBilling $billDayRaw } else { [double]::NaN }
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$provider = $null
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try{ $defId = $m.wwan.profile.default; $provider = ($m.wwan.profileList | Where-Object { $_.id -eq $defId } | Select-Object -First 1).name }catch{}
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if([string]::IsNullOrWhiteSpace($provider)){ $provider = $m.wwan.registerNetworkDisplay }
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if([string]::IsNullOrWhiteSpace($provider)){ $mcc=$m.wwanadv.MCC; $mnc=$m.wwanadv.MNC; if($mcc -and $mnc){ $provider="$mcc-$mnc" } }
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$radio = $m.wwan.connectionText
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$band = $m.wwanadv.curBand
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$ip = $m.wwan.IP
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$res=New-Object 'System.Collections.Generic.List[string]'
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function N($i){ $i.ToString().PadLeft(2,'0') }
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$res.Add( (ChannelXml "$(N 1) Datenvolumen Limit (GiB)" $limitGiB "Custom" "GiB" $true) )
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$res.Add( (ChannelXml "$(N 2) Datenvolumen Verfuegbar (GiB)" $remainGiB "Custom" "GiB" $true) )
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$res.Add( (ChannelXml "$(N 3) Datenvolumen Verbrauch aktueller Monat (GiB)" $usedGiB "Custom" "GiB" $true) )
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$res.Add( (ChannelXml "$(N 4) Datenvolumen Verbrauch aktueller Monat (%)" $percentUsed "Percent" "" $true) )
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$res.Add( (ChannelXml "$(N 5) Tage bis zum neuen Abrechnungszyklus" $daysToBill "Custom" "Tage" $false) )
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$res.Add( (ChannelXml "$(N 6) Empfangene Daten (Sitzung, MiB)" $rxMiB "Custom" "MiB" $true) )
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$res.Add( (ChannelXml "$(N 7) Gesendete Daten (Sitzung, MiB)" $txMiB "Custom" "MiB" $true) )
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$res.Add( (ChannelXml "$(N 8) Daten gesamt (Sitzung, MiB)" $totMiB "Custom" "MiB" $true) )
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$res.Add( (ChannelXml "$(N 9) RSRP (Signalpegel)" (Num $m.wwan.signalStrength.rsrp) "Custom" "dBm" $false) )
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$res.Add( (ChannelXml "$(N 10) RSRQ (Qualitaet)" (Num $m.wwan.signalStrength.rsrq) "Custom" "dB" $false) )
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$res.Add( (ChannelXml "$(N 11) SINR (Stoerabstand)" (Num $m.wwan.signalStrength.sinr) "Custom" "dB" $false) )
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$title = "IP $ip | Funk $radio | $band | Anbieter $provider"
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[Console]::Out.Write( (Write-PrtgOk -results $res -text $title -trip ($TripSensorOnThreshold -and $limitKnown -and ((-not [double]::IsNaN($MinRemainingGiB) -and $remainGiB -le $MinRemainingGiB) -or (-not [double]::IsNaN($MaxPercentUsed) -and $percentUsed -ge $MaxPercentUsed)))) )
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}
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catch{
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[Console]::Out.Write( (Write-PrtgError $_.Exception.Message) )
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exit 1
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}
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