/// <summary>
/// Get the oldest context from the context queue
/// the method would be block until there is a pending context
/// </summary>
/// <returns></returns>
public FtpListenerContext GetContext()
{
FtpListenerContext context = null;
if (m_ContextQueue == null)
{
throw new NullReferenceException("Context queue is empty");
}
// block the method until some context arrived
m_ContextQueueLock.WaitOne();
lock (m_ContextQueue.SyncRoot)
{
if (m_ContextQueue.Count > 0)
{
context = m_ContextQueue.Dequeue() as FtpListenerContext;
}
// otherwise a null context will be returned;
}
return(context);
}
/// <summary>
/// Add a context to the context queue and raise a reset event
/// </summary>
/// <param name="context"></param>
internal void AddContext(FtpListenerContext context)
{
if (m_IsRunning)
{
if (m_ContextQueue == null)
{
m_ContextQueue = new Queue();
}
lock (m_ContextQueue.SyncRoot)
{
m_ContextQueue.Enqueue(context);
}
m_ContextQueueLock.Set();
}
else
{
// reject all context if the listener is not running
context.Response.StatusCode = FtpStatusCode.ActionAbortedLocalProcessingError;
context.Response.OutputStream.Close();
}
}
/// <summary>
/// Add a context to the context queue and raise a reset event
/// </summary>
/// <param name="context"></param>
internal void AddContext(FtpListenerContext context)
{
if (m_IsRunning)
{
if (m_ContextQueue == null)
{
m_ContextQueue = new Queue();
}
lock (m_ContextQueue.SyncRoot)
{
m_ContextQueue.Enqueue(context);
}
m_ContextQueueLock.Set();
}
else
{
// reject all context if the listener is not running
context.Response.StatusCode = FtpStatusCode.ActionAbortedLocalProcessingError;
context.Response.OutputStream.Close();
}
}
