protected void SetState(WatchableServiceState newState, string message = null)
{
bool sendError = false;
bool sendWarning = false;
bool sendRestore = false;
lock (StateChangeHistory)
{
if (State != newState)
{
StateChangeHistory.Add(new StateChangeItem
{
Time = DateTime.UtcNow,
OldState = State,
NewState = newState,
Message = message
});
if (newState == WatchableServiceState.Error)
{
sendError = _sendErrorEmail;
}
else if (newState == WatchableServiceState.Warning)
{
sendWarning = _sendWarningEmail;
}
else if (State != WatchableServiceState.Undefined)
{
sendRestore = _sendRestoreEmail;
}
State = newState;
}
}
if (sendError)
{
_logger.LogError($"{message}");
if (_emailService != null)
{
_emailService.SendEmail(_adminEmails, _emailErrorSubject, $"Service '{DisplayName}' error: {message}");
}
}
else if (sendWarning)
{
_logger.LogWarning($"{message}");
if (_emailService != null)
{
_emailService.SendEmail(_adminEmails, _emailWarningSubject, $"Service '{DisplayName}' warning: {message}");
}
}
else if (sendRestore)
{
_logger.LogInformation($"Service '{Name}' restored");
if (_emailService != null)
{
_emailService.SendEmail(_adminEmails, _emailRestoreSubject, $"Service '{DisplayName}' restored");
}
}
}
protected void SetState(WatchableServiceState newState, Exception ex)
{
_logger.LogError(ex, ex.Message);
SetState(newState, ex.InnerException?.Message ?? ex.Message);
}