protected virtual void ReceivedDataEvent(ClientReceivedDataEvent Revent)
{
bool bEnd = false;
lock (ReceiveDatLock)
{
foreach (byte theByte in Revent.RcvDat)
{
if (bEnd)
{
break;
}
switch (StxEtxAck)
{
case STX_SEARCH:
if (theByte == 0x02)
{
ReceivedData = new MemoryStream();
StxEtxAck = ETX_SEARCH;
}
break;
case ETX_SEARCH:
if (theByte == 0x03)
{
//command is finished
CommContext.LogMsg(TraceEventType.Verbose, "STXETX RCVD: <STX>" + System.Text.Encoding.Default.GetString(ReceivedData.ToArray()) + "<ETX>");
CommContext.Write(new byte[1] {
0x06
}); //send ACK
CommContext.LogMsg(TraceEventType.Verbose, "STXETX SENT: <ACK>");
StxEtxAck = STX_SEARCH; //go back to looking for an STX
//process the parsed command
ProcessCommand(ReceivedData);
//protocol only allows one command and then an ack, so toss the rest of the data
bEnd = true;
break;
}
else
{
try
{
ReceivedData.WriteByte(theByte);
}
catch (Exception ex)
{
CommContext.LogMsg(TraceEventType.Error, ex);
//something is wrong with the memory stream, get rid of it and dump all data
StxEtxAck = STX_SEARCH;
}
}
break;
case ACK_SEARCH:
if (theByte == 0x06)
{
CommContext.LogMsg(TraceEventType.Verbose, "STXETX RCVD: <ACK>");
StxEtxAck = STX_SEARCH;
if (SendingContext.AckFound != null)
{
try
{
SendingContext.AckFound.Set(); //release the thread that was writing
}
catch (Exception ex)
{
CommContext.LogMsg(TraceEventType.Error, ex);
}
}
}
break;
}
}
}
}
/// <summary>
/// 数据接收事件
/// </summary>
private void OnReceivedData()
{
Process();
ClientReceivedDataEvent?.Invoke(this);
}
/// <summary>
/// 触发数据接收事件
/// </summary>
private void OnReceivedData(IMisakaConnection conn)
{
ClientReceivedDataEvent?.Invoke(conn);
}
/// <summary>
/// 数据接收时出发
/// </summary>
private void OnReceivedData()
{
ClientReceivedDataEvent?.Invoke(this);
}
