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Added support and management of threads

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This commit is contained in:
Lord Hepipud 2019-10-05 21:59:03 +02:00
parent 7150fd1236
commit 16f5c5fe13
8 changed files with 149 additions and 0 deletions
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14
lib/core/thread/New-IcingaThreadHash.psm1 Normal file
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function New-IcingaThreadHash()
{
param(
[ScriptBlock]$ShellScript,
[array]$Arguments
);
[string]$ScriptString = '';
[string]$ArgString = ($Arguments | Out-String);
if ($null -ne $ShellScript) {
$ScriptString = $ShellScript.ToString();
}
return (Get-StringSha1 -Content ($ScriptString + $ArgString + (Get-Date -Format "MM-dd-yyyy-HH-mm-ffff")));
}

40
lib/core/thread/New-IcingaThreadInstance.psm1 Normal file
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function New-IcingaThreadInstance()
{
param(
[string]$Name,
$ThreadPool,
[ScriptBlock]$ScriptBlock,
[array]$Arguments,
[Switch]$Start
);
if ([string]::IsNullOrEmpty($Name)) {
$Name = New-IcingaThreadHash -ShellScript $ScriptBlock -Arguments $Arguments;
}
$Shell = [PowerShell]::Create();
$Shell.RunspacePool = $ThreadPool;
[void]$Shell.AddScript($ScriptBlock);
foreach ($argument in $Arguments) {
[void]$Shell.AddArgument($argument);
}
$Thread = New-Object PSObject;
Add-Member -InputObject $Thread -MemberType NoteProperty -Name Shell -Value $Shell;
if ($Start) {
Add-Member -InputObject $Thread -MemberType NoteProperty -Name Handle -Value ($Shell.BeginInvoke());
Add-Member -InputObject $Thread -MemberType NoteProperty -Name Started -Value $TRUE;
} else {
Add-Member -InputObject $Thread -MemberType NoteProperty -Name Handle -Value $null;
Add-Member -InputObject $Thread -MemberType NoteProperty -Name Started -Value $FALSE;
}
if ($global:IcingaDaemonData.IcingaThreads.ContainsKey($Name) -eq $FALSE) {
$global:IcingaDaemonData.IcingaThreads.Add($Name, $Thread);
} else {
$global:IcingaDaemonData.IcingaThreads.Add(
(New-IcingaThreadHash -ShellScript $ScriptBlock -Arguments $Arguments),
$Thread
);
}
}

18
lib/core/thread/New-IcingaThreadPool.psm1 Normal file
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function New-IcingaThreadPool()
{
param(
[int]$MinInstances = 1,
[int]$MaxInstances = 5
);
$Runspaces = [RunspaceFactory]::CreateRunspacePool(
$MinInstances,
$MaxInstances,
[System.Management.Automation.Runspaces.InitialSessionState]::CreateDefault(),
$host
)
$Runspaces.Open();
return $Runspaces;
}

17
lib/core/thread/Remove-IcingaThread.psm1 Normal file
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function Remove-IcingaThread()
{
param(
[string]$Thread
);
if ([string]::IsNullOrEmpty($Thread)) {
return;
}
Stop-IcingaThread -Thread $Thread;
if ($global:IcingaDaemonData.IcingaThreads.ContainsKey($Thread)) {
$global:IcingaDaemonData.IcingaThreads[$Thread].Shell.Dispose();
$global:IcingaDaemonData.IcingaThreads.Remove($Thread);
}
}

13
lib/core/thread/Restart-IcingaThread.psm1 Normal file
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function Restart-IcingaThread()
{
param(
[string]$Thread
);
if ([string]::IsNullOrEmpty($Thread)) {
return;
}
Stop-IcingaThread $Thread;
Start-IcingaThread $Thread;
}

17
lib/core/thread/Start-IcingaThread.psm1 Normal file
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function Start-IcingaThread()
{
param(
[string]$Thread
);
if ([string]::IsNullOrEmpty($Thread)) {
return;
}
if ($global:IcingaDaemonData.IcingaThreads.ContainsKey($Thread)) {
if ($global:IcingaDaemonData.IcingaThreads[$Thread].Started -eq $FALSE) {
$global:IcingaDaemonData.IcingaThreads[$Thread].Handle = $global:IcingaDaemonData.IcingaThreads[$Thread].Shell.BeginInvoke();
$global:IcingaDaemonData.IcingaThreads[$Thread].Started = $TRUE;
}
}
}

18
lib/core/thread/Stop-IcingaThread.psm1 Normal file
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function Stop-IcingaThread()
{
param(
[string]$Thread
);
if ([string]::IsNullOrEmpty($Thread)) {
return;
}
if ($global:IcingaDaemonData.IcingaThreads.ContainsKey($Thread)) {
if ($global:IcingaDaemonData.IcingaThreads[$Thread].Started -eq $TRUE) {
$global:IcingaDaemonData.IcingaThreads[$Thread].Shell.Stop();
$global:IcingaDaemonData.IcingaThreads[$Thread].Handle = $null;
$global:IcingaDaemonData.IcingaThreads[$Thread].Started = $FALSE;
}
}
}

12
lib/core/thread/Test-IcingaThread.psm1 Normal file
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function Test-IcingaThread()
{
param(
[string]$Thread
);
if ([string]::IsNullOrEmpty($Thread)) {
return $FALSE;
}
return $global:IcingaDaemonData.IcingaThreads.ContainsKey($Thread);
}