/// <summary>
/// 数据接收
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void PortDataReceived(object sender, SerialDataReceivedEventArgs e)
{
Thread.Sleep(50);
////禁止接收事件时直接退出
//if (OnReceive==null) return;
if (this.WasDisposed)
{
return;
}
//如果正在关闭，忽略操作，直接返回，尽快的完成串口监听线程的一次循环
try
{
IsParsing = true; //设置标记，说明已经开始处理数据，一会儿要使用系统UI
int n = Listener.BytesToRead;
if (n < 1)
{
IsParsing = false;
return;
}
string log = "";
//检查未处理的缓冲区数据是否超时
networkState.CheckPraseTimeOut();
networkState.RawBuffer = new byte[n];
Listener.Read(networkState.RawBuffer, 0, n);
networkState.Buffer.WriteBytes(networkState.RawBuffer, 0, n);
ReactorConnectionAdapter adapter = ((ReactorConnectionAdapter)ConnectionAdapter);
while (networkState.Buffer.ReadableBytes > 0)
{
if (networkState.CheckPraseTimeOut())
{
return;
}
FrameBase frame = adapter.ParsingReceivedData(networkState.Buffer.ToArray());
if (frame != null)
{
//触发整条记录的处理
INode node = null;
IConnection connection = adapter.GetConnection(frame);
if (connection != null)
{
connection.RemoteHost.TaskTag = connection.ControlCode;
node = connection.RemoteHost;
}
else
{
node = this.LocalEndpoint;
node.TaskTag = "none";
}
NetworkState state = CreateNetworkState(Listener, node);
if (frame.MatchOffset != 0)
{
byte[] removeByte = networkState.Buffer.ReadBytes(frame.MatchOffset);
log = String.Format("{0}:串口丢弃数据-->>{1}", DateTime.Now.ToString("hh:mm:ss"),
this.Encoder.ByteEncode(removeByte));
Console.WriteLine(log);
}
if (frame.FrameBytes != null && frame.FrameBytes.Length > 0)
{
state.RawBuffer = networkState.Buffer.ReadBytes(frame.FrameBytes.Length);
this.ReceiveCallback(state);
}
}
else
{
log = String.Format("{0}:串口未处理数据-->>{1}", DateTime.Now.ToString("hh:mm:ss"), this.Encoder.ByteEncode(networkState.Buffer.ToArray()));
Console.WriteLine(log);
break;
}
}
if (networkState.Buffer.WritableBytes == 0)
{
log = String.Format("{0}:串口丢弃数据-->>{1}", DateTime.Now.ToString("hh:mm:ss"),
this.Encoder.ByteEncode(networkState.Buffer.ToArray()));
Console.WriteLine(log);
}
}
catch (Exception ex)
{
string enmsg = string.Format("Serial Port {0} Communication Fail\r\n" + ex.ToString(), Listener.PortName);
Console.WriteLine(enmsg);
}
finally
{
IsParsing = false; //监听完毕， UI可关闭串口
}
}
