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Add service startup failure retry mechanism #96

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Add service startup failure retry mechanism #96

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25 changes: 19 additions & 6 deletions ScadaAgent/ScadaAgent/ScadaAgentWkr/Worker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,21 +38,34 @@ public class Worker(ILogger<Worker> logger) : BackgroundService
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
Manager manager = new();
bool isServiceStarted = false;

stoppingToken.Register(() =>
{
manager.StopService();
logger.LogInformation("Agent is stopped");
});

if (manager.StartService())
logger.LogInformation("Agent is started successfully");
else
logger.LogError("Agent is started with errors");

while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(TaskDelay, stoppingToken);
if (isServiceStarted)
{
await Task.Delay(TaskDelay, stoppingToken);
continue;
}

if (manager.StartService())
{
isServiceStarted = true;
logger.LogInformation("Agent is started successfully");
}
else
{
logger.LogError("Agent is started with errors. Retry after 3s...");
manager.StopService();

await Task.Delay(3 * TaskDelay, stoppingToken);
}
}
}
}
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25 changes: 19 additions & 6 deletions ScadaComm/ScadaComm/ScadaCommWkr/Worker.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -38,21 +38,34 @@ public class Worker(ILogger<Worker> logger) : BackgroundService
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
Manager manager = new();
bool isServiceStarted = false;

stoppingToken.Register(() =>
{
manager.StopService();
logger.LogInformation("Communicator is stopped");
});

if (manager.StartService())
logger.LogInformation("Communicator is started successfully");
else
logger.LogError("Communicator is started with errors");

while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(TaskDelay, stoppingToken);
if (isServiceStarted)
{
await Task.Delay(TaskDelay, stoppingToken);
continue;
}

if (manager.StartService())
{
isServiceStarted = true;
logger.LogInformation("Communicator is started successfully");
}
else
{
logger.LogError("Communicator is started with errors. Retry after 3s...");
manager.StopService();

await Task.Delay(3 * TaskDelay, stoppingToken);
}
}
}
}
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25 changes: 19 additions & 6 deletions ScadaServer/ScadaServer/ScadaServerWkr/Worker.cs
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,21 +38,34 @@ public class Worker(ILogger<Worker> logger) : BackgroundService
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
Manager manager = new();
bool isServiceStarted = false;

stoppingToken.Register(() =>
{
manager.StopService();
logger.LogInformation("Server is stopped");
});

if (manager.StartService())
logger.LogInformation("Server is started successfully");
else
logger.LogError("Server is started with errors");

while (!stoppingToken.IsCancellationRequested)
{
await Task.Delay(TaskDelay, stoppingToken);
if (isServiceStarted)
{
await Task.Delay(TaskDelay, stoppingToken);
continue;
}

if (manager.StartService())
{
isServiceStarted = true;
logger.LogInformation("Server is started successfully");
}
else
{
logger.LogError("Server is started with errors. Retry after 3s...");
manager.StopService();

await Task.Delay(3 * TaskDelay, stoppingToken);
}
}
}
}
Expand Down