Spins up a bunch of ftl_app instances for rudimentary FTL load testing

Start-FtlIngestLoadTest.ps1

<#
    Fires up a bunch of ftl_app instances pointing at an ingest
#>

[CmdletBinding()]
param (
    [Parameter(Mandatory = $true)]
    [string]
    $FtlAppPath,

    [Parameter(Mandatory = $true)]
    [string]
    $JanusHostname,

    [Parameter(Mandatory = $true)]
    [string]
    $HmacKey,

    [Parameter(Mandatory = $true)]
    [string]
    $H264FilePath,

    [Parameter(Mandatory = $true)]
    [string]
    $OpusFilePath,

    [Parameter()]
    [int]
    $StartChannelId = 1,

    [Parameter()]
    [int]
    $EndChannelId = 10
)

if (!(Test-Path -Path $FtlAppPath -PathType Leaf))
{
    throw "FTL app executable not found at '$FtlAppPath'.";
}

if (!(Test-Path -Path $H264FilePath -PathType Leaf))
{
    throw "H264 file '$H264FilePath' not found.";
}

if (!(Test-Path -Path $OpusFilePath -PathType Leaf))
{
    throw "Opus file '$OpusFilePath' not found."
}

$processes = @()

for ($i = $StartChannelId; $i -le $EndChannelId; ++$i)
{
    $process = Start-Process -FilePath $FtlAppPath -PassThru -ArgumentList `
        @(
            "-i", $JanusHostname,
            "-s", "$i-$HmacKey",
            "-v", $H264FilePath,
            "-a", $OpusFilePath
        )
    $processes += $process
    Write-Host "Started process for channel $i"
    Start-Sleep -Milliseconds 500
}

Read-Host "Press ENTER to stop"

foreach ($p in $processes)
{
    try
    {
        $p.Kill()
        $p.Close()
    }
    catch {}
}