/// <summary>
/// Raises an event if the link is disconnected.
/// </summary>
/// <param name="e">The link connection.</param>
protected virtual void OnDisconnectingLink(LinkEventArgs e)
{
lock (_OnEventLink_ThreadLock)
{
Disconnecting?.Invoke(this, e);
}
}
internal static void WorkOnEmptyBuffer(Object threadContext)
{
while (true)
{
LinkEventArgs LinkEA = null;
lock (_CallOnEmptyBuffer_Lock)
{
LinkEA = _CallOnEmptyBufferQueue.Dequeue();
}
if (LinkEA.lnk.IsConnected)
{
LinkEA.lnk.OnEmptyBuffer(LinkEA);
}
lock (_CallOnEmptyBuffer_Lock)
{
if (_CallOnEmptyBufferQueue.Count == 0)
{
IsInOnEmptyBufferQueue = false;
break;
}
}
}
}
/// <summary>
/// Raises an event when a new client is connected.
/// </summary>
/// <param name="e">Contains the connection link.</param>
protected virtual void OnNewLink(LinkEventArgs e)
{
lock (e.lnk._OnEventLink_ThreadLock)
{
NewLink?.Invoke(this, e);
}
}
private bool GetPackets()
{
SendFound = false;
lock (link.SendData_Lock)
{
if (link.SendDataPortalArrayOUTPUT[0] == null)
{
return(true);
}
for (int x = 0; x < link.SendDataPortalArrayOUTPUT.Length; x++)
{
if (link.SendDataPortalArrayOUTPUT[x].Count > 0)
{
byteData = link.SendDataPortalArrayOUTPUT[x].Dequeue();
SendFound = true;
if (byteData._CallEmpybuffer)
{
_CallEmptyBuffer = true;
}
break;
}
}
if (!SendFound)
{
IsInSendQueue = false;
//Debug.WriteLine("no data");
//if _CallEmptyBuffer is set, trigger an event to get more data
if (_CallEmptyBuffer)
{
_CallEmptyBuffer = false;
LinkEventArgs args = new LinkEventArgs()
{
lnk = link
};
lock (_CallOnEmptyBuffer_Lock)
{
_CallOnEmptyBufferQueue.Enqueue(args);
}
QueueOnEmptyBuffer();
}
return(true);
}
}
return(false);
}
private void NewEventWorker(object threadContext)
{
List <Link> LinkListTEMP = GetNewLinkList();
while (LinkListTEMP.Count != 0)
{
foreach (Link lnk in LinkListTEMP)
{
LinkEventArgs args = new LinkEventArgs()
{
lnk = lnk
};
OnNewLink(args);
}
LinkListTEMP = GetNewLinkList();
}
}
internal void RemoveFromConnectionList(Connection con)
{
if (con == null)
{
return;
}
lock (_ConnectionList_ThreadLock)
{
_ConnectionList.Remove(con);
LinkEventArgs args = new LinkEventArgs()
{
lnk = con.link
};
OnDisconnectingLink(args);
}
}
/// <summary>
/// Close the connection and free all resources.
/// </summary>
public void Dispose()
{
//Debug.WriteLine("Link.Dispose called");
lock (_DisposeLock)
{
//SendData();
//Debug.WriteLine("Link.Dispose called");
if (Disposed)
{
//Debug.WriteLine("Link.Dispose abort");
return;
}
else
{
Disposed = true;
}
}
Connect.Dispose();
/*lock (_Static_ThreadLock)
* {
* if (LinkList.Contains(this)) LinkList.Remove(this);
* }*/
if (Connect.server != null)
{
Connect.server.RemoveFromConnectionList(Connect);
}
lock (SendData_Lock)
{
for (int x = 0; x < SendDataPortalArray.Length; x++)
{
if (SendDataPortalArray[x] != null)
{
SendDataPortalArray[x].Clear();
SendDataPortalArray[x] = null;
}
}
for (int x = 0; x < SendDataPortalArrayOUTPUT.Length; x++)
{
SendDataPortalArrayOUTPUT[x] = null;
}
}
Connect._PCollection.RemoveDisconectingLinkFromRequest(this);
if (!Teardown)
{
Teardown = true;
LinkEventArgs args = new LinkEventArgs()
{
lnk = this
};
//OnDisconnectingLink(args);
ThreadPool.QueueUserWorkItem(EventWorker, args);
}
//Debug.WriteLine("Link.Dispose ended");
}
/// <summary>
/// Raises an event if the Buffer of this link is empty. The 'OnEmptybuffer' parameter must set when a packet is send.
/// </summary>
/// <param name="e">The link connection.</param>
protected internal virtual void OnEmptyBuffer(LinkEventArgs e)
{
EmptyBuffer?.Invoke(this, e);
}