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add print-job-arrived hook system

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EugeneTes
2026-07-06 14:51:29 +02:00
parent 91d2d18c80
commit b927f48260
3 changed files with 116 additions and 5 deletions
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29
Inspectron.Epson/PrintServer/PrintLoop.cs
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@@ -1,4 +1,5 @@
using Inspectron.Epson.PrintServer.PrintServices;
using Inspectron.Epson.PrintServer.Hooks;
using Inspectron.Epson.PrintServer.PrintServices;
using Inspectron.Epson.Queue;
using Microsoft.Extensions.Logging;
@@ -9,17 +10,19 @@ public class PrintLoop
private readonly global::Inspectron.Epson.Queue.PrintServer _printServer;
private readonly IPrintService _printService;
private readonly IPrintJobSource _jobSource;
private readonly IReadOnlyList<PrintJobArrivedHandler> _arrivedHandlers;
private readonly ILogger _logger;
private CancellationTokenSource? _cancellationSource;
private CancellationToken _cancellationToken;
public PrintLoop(global::Inspectron.Epson.Queue.PrintServer printServer,IPrintService printService, IPrintJobSource jobSource, ILogger logger)
public PrintLoop(global::Inspectron.Epson.Queue.PrintServer printServer, IPrintService printService, IPrintJobSource jobSource, ILogger logger, IEnumerable<PrintJobArrivedHandler>? arrivedHandlers = null)
{
_printServer = printServer;
_printService = printService;
_jobSource = jobSource;
_arrivedHandlers = arrivedHandlers?.ToList() ?? (IReadOnlyList<PrintJobArrivedHandler>)Array.Empty<PrintJobArrivedHandler>();
_logger = logger;
}
@@ -35,7 +38,23 @@ public class PrintLoop
while (!_cancellationSource!.Token.IsCancellationRequested)
{
var job = await _jobSource.GetNextJobAsync(_cancellationToken);
if (_arrivedHandlers.Count > 0)
{
var ctx = new PrintJobArrivedContext(job);
foreach (var handler in _arrivedHandlers)
{
try
{
await handler(ctx, _cancellationToken);
}
catch (Exception ex)
{
_logger.LogError(ex, "Print job arrived hook threw (job {JobId})", job.JobId);
}
}
}
_printServer.SubmitJob(job.IP, job);
}
}