private void HandleDataMessage(MessageHeader header, SecsMessage secsMessage)
{
var systemByte = header.SystemBytes;
if (header.DeviceId != DeviceId && secsMessage.S != 9 && secsMessage.F != 1)
{
Logger.Error("Received Unrecognized Device Id Message");
SecsMessage replyWrongDeviceIdMsg = new SecsMessage(
9,
1,
false,
Resources.S9F1,
Item.B(header.EncodeTo(new byte[10])));// 将header作为消息体返回
SendDataMessageAsync(replyWrongDeviceIdMsg, NewSystemId);
if (_replyExpectedMsgs.TryGetValue(systemByte, out var ar1))
{
ar1.HandleReplyMessage(replyWrongDeviceIdMsg);
}
return;
}
if (secsMessage.F % 2 != 0)
{
if (secsMessage.S != 9)
{
_taskFactory.StartNew((wrapper) =>
{
PrimaryMessageReceived?.Invoke(this, wrapper as PrimaryMessageWrapper);
}, new PrimaryMessageWrapper(this, header, secsMessage));
return;
}
// Error message
var headerBytes = secsMessage.SecsItem.GetValues <byte>();// 解析出MessageHeader的Bytes
systemByte = BitConverter.ToInt32(new byte[] { headerBytes[9], headerBytes[8], headerBytes[7], headerBytes[6] }, 0);
}
if (_replyExpectedMsgs.TryGetValue(systemByte, out var ar))
{
ar.HandleReplyMessage(secsMessage);
}
}
internal Task <SecsMessage> SendDataMessageAsync(SecsMessage secsMessage, int systemByte)
{
if (State != ConnectionState.Selected)
{
throw new SecsException("Device is not selected");
}
var token = new TaskCompletionSourceToken(secsMessage, systemByte, MessageType.DataMessage);
if (secsMessage.ReplyExpected)
{
_replyExpectedMsgs[systemByte] = token;
}
var header = new MessageHeader()
{
S = secsMessage.S,
F = secsMessage.F,
ReplyExpected = secsMessage.ReplyExpected,
DeviceId = DeviceId,
SystemBytes = systemByte,
};
var bufferList = secsMessage.RawDatas.Value;
bufferList[1] = new ArraySegment <byte>(header.EncodeTo(new byte[10]));
var sendEventArgs = new SocketAsyncEventArgs
{
BufferList = bufferList,
UserToken = token,
};
sendEventArgs.Completed += SendDataMessage_Completed;
if (!_socket.SendAsync(sendEventArgs))
{
SendDataMessage_Completed(_socket, sendEventArgs);
}
return(token.Task);
}
/// <summary> /// Asynchronously send message to device . /// </summary> /// <param name="secsMessage"></param> /// <param name="systemId"></param> /// <returns>null</returns> public Task <SecsMessage> SendAsync(SecsMessage secsMessage, int systemId) => SendDataMessageAsync(secsMessage, systemId);
/// <summary> /// Asynchronously send message to device . /// </summary> /// <param name="secsMessage">primary message</param> /// <returns>senondary</returns> public Task <SecsMessage> SendAsync(SecsMessage secsMessage) => SendAsync(secsMessage, NewSystemId);
public SecsException(SecsMessage secsMessage, string description) : base(description)
{
this.secsMessage = secsMessage;
}