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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.Integration.Operation;
using Tango.Logging;
using Tango.Telemetry.Mappers;
using Tango.Telemetry.Telemetries;
namespace Tango.Telemetry.Sources
{
public class TelemetryLogsStreamingSource : TelemetryConfigurableSource<TelemetryLogsStreamingSourceConfig>, ITelemetryStreamingSource
{
private KeyValuePair<DateTime, String> _lastFirmwareMessage;
public IMachineOperator MachineOperator { get; }
public bool IsStarted { get; private set; }
public string Name { get; } = "Logs";
public bool RequiresTelemetryDuplicationTracking { get; }
public event EventHandler<TelemetryAvailableEventArgs> TelemetryAvailable;
public TelemetryLogsStreamingSource()
{
_lastFirmwareMessage = new KeyValuePair<DateTime, string>(DateTime.MinValue, String.Empty);
}
public TelemetryLogsStreamingSource(IMachineOperator machineOperator) : this()
{
MachineOperator = machineOperator;
}
public virtual void Start()
{
if (!IsStarted)
{
IsStarted = true;
LogManager.NewLog += LogManager_NewLog;
if (MachineOperator != null) MachineOperator.DebugLogAvailable += MachineOperator_DebugLogAvailable;
}
}
private void MachineOperator_DebugLogAvailable(object sender, PMR.Debugging.StartDebugLogResponse log)
{
if (IsStarted)
{
if (!Config.Categories.Contains((LogCategory)log.Category)) return;
if (log.Message == _lastFirmwareMessage.Value && DateTime.UtcNow < _lastFirmwareMessage.Key.AddSeconds(1)) return;
_lastFirmwareMessage = new KeyValuePair<DateTime, string>(DateTime.UtcNow, log.Message);
TelemetryLog tLog = LogMapper.MapLog(log);
TelemetryAvailable?.Invoke(this, new TelemetryAvailableEventArgs() { TelemetryObject = tLog });
}
}
private void LogManager_NewLog(object sender, Logging.LogItemBase log)
{
if (IsStarted)
{
if (!Config.Categories.Contains(log.Category)) return;
TelemetryLog tLog = LogMapper.MapLog(log);
TelemetryAvailable?.Invoke(this, new TelemetryAvailableEventArgs() { TelemetryObject = tLog });
}
}
public void Stop()
{
if (IsStarted)
{
IsStarted = false;
LogManager.NewLog -= LogManager_NewLog;
if (MachineOperator != null) MachineOperator.DebugLogAvailable -= MachineOperator_DebugLogAvailable;
}
}
public void Dispose()
{
Stop();
}
}
}
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