//----------------------------------------
#region SimpleActivePart overridden methods
/// <summary>
/// Implemenation for for required GoOnline Action: runs the corresponding command on the related IPort instance and returns its result
/// </summary>
protected override string PerformGoOnlineAction(bool andInitialize)
{
IBasicAction iba = (IBasicAction)port.CreateGoOnlineAction(andInitialize);
string rc = iba.Run();
PerformMainLoopService();
return(rc);
}
/// <summary>Provides the implementation of the Standard GoOnline Action. Runs a pass through GoOnline action on the contained Port object.</summary>
protected override string PerformGoOnlineAction(bool andInitialize)
{
return(InnerRunRelayAction(port.CreateGoOnlineAction(andInitialize), "GoOnline" + (andInitialize ? "+Init" : "")));
}
public void Service(bool sampleTimerTriggered)
{
TimeSpan stateAge = stateTimeStamp.Age;
string ec = string.Empty;
for (;;)
{
switch (state)
{
case State.RequestFlush:
if (!port.BaseState.IsConnected)
{
ec = port.CreateGoOnlineAction(andInitialize: true).Run();
}
if (ec.IsNullOrEmpty())
{
ec = portFlushAction.Start();
}
if (ec.IsNullOrEmpty())
{
SetState(State.WaitUntilForFlushComplete, "Flush requested");
}
else
{
SetState(State.EchoTestFailed, "Flush.Start failed: {0}".CheckedFormat(ec));
}
return;
case State.WaitUntilForFlushComplete:
if (portFlushAction.ActionState.IsComplete)
{
SetState(State.WriteTestPattern, "Flush {0}".CheckedFormat(portFlushAction.ActionState.ToString()));
}
return;
case State.WriteTestPattern:
portWriteActionParam.BufferAsStr = currentTestPattern = GetNextTestDataPattern();
ec = portWriteAction.Start();
if (ec.IsNullOrEmpty())
{
SetState(State.WaitForEcho, "Write requested");
}
else
{
SetState(State.EchoTestFailed, "Write.Start failed: {0}".CheckedFormat(ec));
}
return;
case State.WaitForEcho:
lastEchoTestPeriod = stateAge;
if (port.HasPacket)
{
ec = portGetNextPacketAction.Run();
Packet p = portGetNextPacketAction.ResultValue;
if (ec.IsNullOrEmpty() && p == null)
{
ec = "successful {0} action gave null packet".CheckedFormat(portGetNextPacketAction.ToString(ToStringSelect.JustMesg));
}
if (ec.IsNullOrEmpty() && !p.IsData)
{
ec = "successful {0} action gave unexpected packet '{1}'".CheckedFormat(portGetNextPacketAction.ToString(ToStringSelect.JustMesg), p);
}
if (ec.IsNullOrEmpty() && p.DataStr != currentTestPattern)
{
ec = "Received unexpected echo [rx:'{0}' != expected:'{1}']".CheckedFormat(p.DataStr, currentTestPattern);
}
if (ec.IsNullOrEmpty())
{
h.Add(lastEchoTestPeriod.TotalSeconds);
SetState(State.EchoTestSucceeded, "Echo test succeeded after {0:f6} sec".CheckedFormat(stateAge.TotalSeconds));
return;
}
else
{
failureCount++;
SetState(State.EchoTestFailed, "Echo response failed: {0} [after {0:f6} sec]".CheckedFormat(stateAge.TotalSeconds));
return;
}
}
else if (stateAge > Config.ResponseTimeLimit)
{
timeoutCount++;
SetState(State.EchoTestFailed, "Echo response time limit reached after {0:f6} sec".CheckedFormat(stateAge.TotalSeconds));
return;
}
break;
case State.EchoTestSucceeded:
if (!lastEchoTestSucceeded)
{
Logger.Debug.Emit("{0}: Echo test on '{1}' succeeded after {2:f6} seconds [Prior test failed]", portConfig.Name, PortTargetSpec, lastEchoTestPeriod.TotalSeconds);
lastEchoTestSucceeded = true;
}
if (!sampleTimerTriggered)
{
return;
}
SetState(State.WriteTestPattern, "Starting next sample");
break;
case State.EchoTestFailed:
if (lastEchoTestSucceeded)
{
Logger.Debug.Emit("{0}: Echo test on '{1}' failed after {2:f6} seconds [Prior test succeeded]", portConfig.Name, PortTargetSpec, lastEchoTestPeriod.TotalSeconds);
lastEchoTestSucceeded = true;
}
if (!sampleTimerTriggered)
{
return;
}
SetState(State.RequestFlush, "Starting next sample (with Flush first)");
break;
default:
Logger.Error.Emit("{0}: Reached unexpected state {1}", portConfig.Name, state);
SetState(State.RequestFlush, "Recovery from unknown state");
break;
}
}
}
