public void Dispose()
{
m_port.Dispose();
Portable.CloseHandle(m_scheduleSem);
m_startEvent.Close();
m_stopEvent.Close();
}
internal void ScheduleSend(Node node)
{
lock (m_scheduledSends)
{
if (!m_scheduledSends.Contains(node))
{
m_scheduledSends.Add(node);
Portable.ReleaseSemaphore(m_scheduleSem, 1);
}
}
}
internal void CancelSend(Node node)
{
lock (m_scheduledSends)
{
if (m_scheduledSends.Contains(node))
{
m_scheduledSends.Remove(node);
Portable.WaitOne(m_scheduleSem, Timeout.Infinite);
}
}
}
private void Dispatcher()
{
m_startEvent.Set();
IntPtr[] handles = { m_stopEvent.Handle, m_scheduleSem };
while (true)
{
int res = Portable.WaitAny(handles, 2000);
if (res == 0)
{
return;
}
else if (res == 1)
{
Node node = GetScheduledNode();
Debug.Assert(node != null);
if (SendToSlave(node))
{
PollSlave(node);
}
else
{
ScheduleSend(node);
}
}
else if (res == Portable.WAIT_TIMEOUT)
{
Node[] nodes = null;
lock (this)
{
nodes = m_nodes.ToArray();
}
if (nodes != null)
{
for (int i = 0; i < nodes.Length; ++i)
{
PollSlave(nodes[i]);
}
}
}
}
}
public void Stop()
{
Logging.Trace(TraceEventType.Information, "Stopping bus dispatcher");
m_stopEvent.Set();
m_dispatchThread.Join();
m_port.Close();
m_scheduledSends.Clear();
m_nodes.Clear();
while (Portable.WaitOne(m_scheduleSem, 0))
{
;
}
}