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https://github.com/Icinga/icinga-powershell-framework.git
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27 lines
1.1 KiB
PowerShell
27 lines
1.1 KiB
PowerShell
<#
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.SYNOPSIS
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Compare-IcingaUnixTimeWithDateTime compares a DateTime-Object with the current DateTime and returns the offset between these values as Integer
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.DESCRIPTION
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Compare-IcingaUnixTimeWithDateTime compares a DateTime-Object with the current DateTime and returns the offset between these values as Integer
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.PARAMETER DateTime
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DateTime object you want to compare with the Universal Time
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.INPUTS
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System.DateTime
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.OUTPUTS
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System.Int64
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#>
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function Compare-IcingaUnixTimeWithDateTime() {
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param (
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[datetime]$DateTime
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);
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# This is when the computer starts counting time
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$UnixEpochStart = (New-Object DateTime 1970, 1, 1, 0, 0, 0, ([DateTimeKind]::Utc));
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# We convert the creation and current time to seconds
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$CreationTime = [long][System.Math]::Floor((($DateTime.ToUniversalTime() - $UnixEpochStart).Ticks / [timespan]::TicksPerSecond));
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$CurrentTime = Get-IcingaUnixTime;
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# To find out, from the snapshot creation time to the current time, how many seconds are,
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# you have to subtract from the (Current Time in s) the (Creation Time in s)
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return ($CurrentTime - $CreationTime);
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}
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