public override void OnRecvRouteDataEventHandle(object obj, DTAEventArgs e)
{
foreach (var item in e.FrameArray)
{
Send(item);
}
}
void comm_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
try
{
if (bCloseing)
{
return;
}
bListening = true;
int n = comm.BytesToRead; //先记录下来，避免某种原因，人为的原因，操作几次之间时间长，缓存不一致
byte[] buf = new byte[n]; //声明一个临时数组存储当前来的串口数据
comm.Read(buf, 0, n); //读取缓冲数据
switch (_optdataType)
{
case OptDataType.StringArray:
//直接按ASCII规则转换成字符串
string strRecv = Encoding.ASCII.GetString(buf);
if (strRecv == null || strRecv.Length < 1)
{
return;
}
builder.Append(strRecv);
string bulidString = builder.ToString();
builder.Remove(0, builder.Length); //清除字符串构造器的内容
string[] strDataArray = CommHelp.Resolve(ref bulidString);
if (onRoute_OutEventHandle != null)
{
DTAEventArgs args = new DTAEventArgs();
args.FrameArray = strDataArray;
onRoute_OutEventHandle((IntPtr)this.GetHashCode(), args);
}
builder.Append(bulidString);
break;
case OptDataType.ByteArray:
string[] strDataArray2 = new string[] { Encoding.ASCII.GetString(buf) };
if (onRoute_OutEventHandle != null)
{
DTAEventArgs args = new DTAEventArgs();
args.FrameArray = strDataArray2;
onRoute_OutEventHandle((IntPtr)this.GetHashCode(), args);
}
break;
default:
break;
}
bListening = false;
}
catch (Exception ex)
{
if (onErrorReportHandle != null)
{
onErrorReportHandle(this, 102, ex.Message);
}
}
}
public override void OnRecvRouteDataEventHandle(object obj, DTAEventArgs e)
{
try
{
if (this.CIO == DataDriection.In)
{
return;
}
if (comm != null && comm.IsOpen)
{
foreach (var item in e.FrameArray)
{
comm.Write(item);
}
}
}
catch (Exception ex)
{
if (onErrorReportHandle != null)
{
onErrorReportHandle(this, 103, ex.Message);
}
}
}
/// <summary> /// 接收路由数据的实现 /// </summary> /// <param name="obj"></param> /// <param name="e"></param> public abstract void OnRecvRouteDataEventHandle(object obj, DTAEventArgs e);
/// <summary>
/// 数据接收处理函数
/// </summary>
/// <param name="iar">异步Socket</param>
protected virtual void RecvData(IAsyncResult iar)
{
Socket remote = (Socket)iar.AsyncState;
try
{
int recv = remote.EndReceive(iar);
//正常的退出
if (recv == 0)
{
_session.TypeOfExit = Session.ExitType.NormalExit;
if (DisConnectedServer != null)
{
DisConnectedServer(this, new NetEventArgs(_session));
}
return;
}
string receivedData = _coder.GetEncodingString(_recvDataBuffer, recv);
//通过事件发布收到的报文
if (onRoute_OutEventHandle != null)
{
//通过报文解析器分析出报文
//如果定义了报文的尾标记,需要处理报文的多种情况
if (_resolver != null)
{
if (_session.Datagram != null &&
_session.Datagram.Length != 0)
{
//加上最后一次通讯剩余的报文片断
receivedData = _session.Datagram + receivedData;
}
string[] recvDatagrams = _resolver.Resolve(ref receivedData);
//Need Deep Copy.因为需要保证多个不同报文独立存在
ICloneable copySession = (ICloneable)_session;
Session clientSession = (Session)copySession.Clone();
DTAEventArgs args = new DTAEventArgs();
args.FrameArray = recvDatagrams;
onRoute_OutEventHandle(clientSession, args);
//foreach (string newDatagram in recvDatagrams)
//{
// //Need Deep Copy.因为需要保证多个不同报文独立存在
// ICloneable copySession = (ICloneable)_session;
// Session clientSession = (Session)copySession.Clone();
// clientSession.Datagram = newDatagram;
// //发布一个报文消息
// ReceivedDatagram(this, new NetEventArgs(clientSession));
//}
//剩余的代码片断,下次接收的时候使用
_session.Datagram = receivedData;
}
//没有定义报文的尾标记,直接交给消息订阅者使用
else
{
ICloneable copySession = (ICloneable)_session;
Session clientSession = (Session)copySession.Clone();
DTAEventArgs args = new DTAEventArgs();
args.FrameArray = new string[] { receivedData };
onRoute_OutEventHandle(clientSession, args);
}
}//end of if(ReceivedDatagram != null)
//继续接收数据
_session.ClientSocket.BeginReceive(_recvDataBuffer, 0, DefaultBufferSize, SocketFlags.None,
new AsyncCallback(RecvData), _session.ClientSocket);
}
catch (SocketException ex)
{
//客户端退出
if (10054 == ex.ErrorCode)
{
//服务器强制的关闭连接，强制退出
_session.TypeOfExit = Session.ExitType.ExceptionExit;
if (DisConnectedServer != null)
{
DisConnectedServer(this, new NetEventArgs(_session));
}
}
else
{
throw (ex);
}
}
catch (ObjectDisposedException ex)
{
//这里的实现不够优雅
//当调用CloseSession()时,会结束数据接收,但是数据接收
//处理中会调用int recv = client.EndReceive(iar);
//就访问了CloseSession()已经处置的对象
//我想这样的实现方法也是无伤大雅的.
if (ex != null)
{
ex = null;
//DoNothing;
}
}
}