private static bool ShouldLogStateChange(BondCallState toState)
{
// Here we decide which states are logged for bond calls. Most states are not logged to
// reduce log spam but states may be added back if they are considered necessary.
// Also consider this decision being based on verbosity/diagnostic keywords.
switch (toState)
{
case BondCallState.Started:
case BondCallState.Failed:
case BondCallState.Succeeded:
case BondCallState.Canceled:
case BondCallState.HeartbeatSuccess:
case BondCallState.HeartbeatDeactivateTimer:
case BondCallState.RecreateConnection:
return(true);
case BondCallState.WaitingForChildCall:
case BondCallState.Converted:
case BondCallState.Converting:
case BondCallState.InitiatedRequest:
case BondCallState.WaitingForConnection:
case BondCallState.CompletedWaitForConnection:
case BondCallState.HeartbeatTimerShutdown:
case BondCallState.HeartbeatTimerInactive:
case BondCallState.HeartbeatBeforeCall:
case BondCallState.HeartbeatAfterCall:
case BondCallState.HeartbeatAfterActivateConnection:
case BondCallState.HeartbeatQueueTimer:
default:
return(false);
}
}
/// <summary>
/// Called when a bond call changes state
/// </summary>
public void OnStateChanged(BondCallState toState)
{
var currentTime = m_stopwatch.Elapsed;
StateDuration = currentTime - m_lastStateTime;
TotalDuration = currentTime - m_startTime;
OnStateChanged(m_lastState, toState, stateTime: StateDuration, totalTime: TotalDuration);
m_lastStateTime = currentTime;
m_lastState = toState;
}
protected override void OnStateChanged(BondCallState fromState, BondCallState toState, TimeSpan stateTime, TimeSpan totalTime)
{
switch (toState)
{
case BondCallState.Started:
LogMessage("Starting call({1}) (try count {0})", TryCount, m_description ?? string.Empty);
return;
}
if (ShouldLogStateChange(toState))
{
LogMessage("CallState: {0}, StateTime: {1}, TotalTime: {2}", toState.AsString(), stateTime, totalTime);
}
}
public static string AsString(this BondCallState callState)
{
switch (callState)
{
case BondCallState.Canceled:
return(nameof(BondCallState.Canceled));
case BondCallState.CompletedWaitForConnection:
return(nameof(BondCallState.CompletedWaitForConnection));
case BondCallState.Converted:
return(nameof(BondCallState.Converted));
case BondCallState.Converting:
return(nameof(BondCallState.Converting));
case BondCallState.Failed:
return(nameof(BondCallState.Failed));
case BondCallState.HeartbeatAfterActivateConnection:
return(nameof(BondCallState.HeartbeatAfterActivateConnection));
case BondCallState.HeartbeatAfterCall:
return(nameof(BondCallState.HeartbeatAfterCall));
case BondCallState.HeartbeatBeforeCall:
return(nameof(BondCallState.HeartbeatBeforeCall));
case BondCallState.HeartbeatDeactivateTimer:
return(nameof(BondCallState.HeartbeatDeactivateTimer));
case BondCallState.HeartbeatQueueTimer:
return(nameof(BondCallState.HeartbeatQueueTimer));
case BondCallState.HeartbeatSuccess:
return(nameof(BondCallState.HeartbeatSuccess));
case BondCallState.HeartbeatTimerInactive:
return(nameof(BondCallState.HeartbeatTimerInactive));
case BondCallState.HeartbeatTimerShutdown:
return(nameof(BondCallState.HeartbeatTimerShutdown));
case BondCallState.InitiatedRequest:
return(nameof(BondCallState.InitiatedRequest));
case BondCallState.RecreateConnection:
return(nameof(BondCallState.RecreateConnection));
case BondCallState.Started:
return(nameof(BondCallState.Started));
case BondCallState.Succeeded:
return(nameof(BondCallState.Succeeded));
case BondCallState.WaitingForChildCall:
return(nameof(BondCallState.WaitingForChildCall));
case BondCallState.WaitingForConnection:
return(nameof(BondCallState.WaitingForConnection));
default:
throw new NotImplementedException("Unknown BondCallState type: " + callState);
}
}
/// <summary>
/// Called when a bond call changes state
/// </summary>
/// <param name="fromState">the current state</param>
/// <param name="toState">the new state</param>
/// <param name="stateTime">the amount of time spent in the old state</param>
/// <param name="totalTime">the total amount of time the call has been active</param>
protected virtual void OnStateChanged(BondCallState fromState, BondCallState toState, TimeSpan stateTime, TimeSpan totalTime)
{
}