override public void ActivateOptions()
{
base.ActivateOptions();
// If the appender is in Lossy mode then we will
// only send the buffer when the Evaluator triggers
// therefore check we have an evaluator.
if (m_lossy && m_evaluator == null)
{
ErrorHandler.Error("Appender [" + Name + "] is Lossy but has no Evaluator. The buffer will never be sent!");
}
if (m_bufferSize > 1)
{
m_cb = new CyclicBuffer(m_bufferSize);
}
else
{
m_cb = null;
}
}
/// <summary>
/// 发送缓冲区里的日志消息给所有 Apeender
/// </summary>
/// <param name="firstLoggingEvent">原来在缓冲器中被挤出来的最古老的消息</param>
/// <param name="buffer">缓冲区的日志消息</param>
virtual protected void SendFromBuffer(LoggingEvent firstLoggingEvent, CyclicBuffer buffer)
{
LoggingEvent[] bufferEvents = buffer.PopAll();
if (firstLoggingEvent == null)
{
SendBuffer(bufferEvents);
}
else if (bufferEvents.Length == 0)
{
SendBuffer(new LoggingEvent[] { firstLoggingEvent });
}
else
{
// Create new array with the firstLoggingEvent at the head
LoggingEvent[] events = new LoggingEvent[bufferEvents.Length + 1];
Array.Copy(bufferEvents, 0, events, 1, bufferEvents.Length);
events[0] = firstLoggingEvent;
SendBuffer(events);
}
}