private void disconnectEvent(IConnectState connecter)
{
var subscribeItem = _subscribeGroup.Find(s => s.ConnectState == connecter);
subscribeItem?.RemoveAll();
_subscribeGroup.Remove(subscribeItem);
}
private void recivceDataHanding(IConnectState connecter)
{
lock (locker)
{
var bufferPool = connecter.ReadBufferPool;
//将字节数组转换为字符串
bufferPool.ConvertToStrCache();
var headIndex = bufferPool.StrCache.IndexOf(_headStr);
if (headIndex != -1)
{
var endIndex = bufferPool.StrCache.IndexOf(_endStr, headIndex);
if (endIndex != -1)
{
var length = endIndex - headIndex + 4;
var bodyStr = bufferPool.StrCache.Substring(headIndex, length);
bodyStr = bodyStr.Replace("<", "");
var bodyArray = bodyStr.Split(new char[] { '>' }, StringSplitOptions.RemoveEmptyEntries);
var sentCache = bufferRely(bodyArray, connecter);
if (sentCache != null)
{
////发送次数
//int sendCount =(int) Math.Ceiling((double)sentCache.Length / 60000);
////发送缓存
//byte[] sendBuffer = new byte[60000];
//for(int i = 0; i < sendCount; i++)
//{
// connecter.Send(sentCache);
//}
connecter.SendAsync(sentCache);
}
else
{
connecter.ReceiveAsync(_readCacheSize);
}
if (bufferPool.StrCache.Length >= endIndex + 4)
{
bufferPool.StrCache = bufferPool.StrCache.Substring(endIndex + 4);
}
else
{
bufferPool.StrCache = "";
}
}
else
{
connecter.ReceiveAsync(_readCacheSize);
}
}
else
{
connecter.ReceiveAsync(_readCacheSize);
}
}
}
private void sendComplete(IConnectState connecter)
{
if (connecter.ReadBufferPool.StrCache == null || connecter.ReadBufferPool.StrCache.Length == 0)
{
connecter.ReceiveAsync(_readCacheSize);
}
else
{
recivceDataHanding(connecter);//如果bufferPool主队列缓存不为空，继续处理数据。
}
}
private void sendComplete(IConnectState connecter)
{
if (connecter.ReadBufferPool.IsEmpty)
{
connecter.ReceiveAsync(readCacheSize);
}
else
{
recivceDataHanding(connecter);//如果bufferPool主队列缓存不为空，继续处理数据。
}
}
/// <summary>
/// 返回所有点的元数据
/// </summary>
/// <returns></returns>
private byte[] metaDataRely(IConnectState connecter)
{
string funCodeStr = "<1F>";
byte[] result = null;
List <string> strList = new List <string>();
ASCIIEncoding encoding = new ASCIIEncoding();
foreach (var metaData in _pointMeDataList.Data)
{
strList.Add(metaData.Name);
strList.Add(metaData.ValueType);
strList.Add(metaData.IsVirtual.ToString());
strList.Add(metaData.Length.ToString());
}
if (strList.Count != 0)
{
string resultStr;
while (strList.Count >= 5000)
{
resultStr = "";
for (int i = 0; i < 5000; i++)
{
resultStr = string.Concat(resultStr, "<", strList[i], ">");
}
strList.RemoveRange(0, 5000);
if ((connecter.Send(encoding.GetBytes(string.Concat(_headStr, funCodeStr, resultStr, _endStr))) != 1))
{
return(null);
}
}
resultStr = "";
foreach (var s in strList)
{
resultStr = string.Concat(resultStr, "<", s, ">");
}
if (resultStr != "")
{
connecter.Send(encoding.GetBytes(string.Concat(_headStr, funCodeStr, resultStr, _endStr)));
}
}
else
{
funCodeStr = "<2F>";
result = encoding.GetBytes(string.Concat(_headStr, funCodeStr, "<Point Meta data is Null>", _endStr));
}
return(result);
}
private byte[] bufferRely(string[] source, IConnectState connecter)
{
byte[] result = null;
if (source.Length >= 3)
{
string[] data = new string[source.Length - 3];
byte funCode;
if (byte.TryParse(source[1], NumberStyles.HexNumber, null as IFormatProvider, out funCode))
{
Array.Copy(source, 2, data, 0, data.Length);
switch (funCode)
{
case 0x01:
result = readCodeRely(data);
break;
case 0x02:
result = writeCodeRely(data);
break;
case 0x05:
result = subscribeCodeRely(data, connecter);
break;
case 0x06:
result = cancelSubCodeRely(data, connecter);
break;
case 0x0F:
result = metaDataRely(connecter);
break;
default:
break;
}
}
}
return(result);
}
/// <summary>
/// Modbus报文处理函数
/// </summary>
/// <param name="connecter">连接对象</param>
private void recivceDataHanding(IConnectState connecter)
{
lock (locker)
{
var bufferPool = connecter.ReadBufferPool;
bufferPool.HeadLength = headLength;
if (bufferPool.HeadBuffer == null)
{
connecter.ReceiveAsync(readCacheSize);
}
else
{
bufferPool.BodyLength = bufferPool.HeadBuffer[5];
if (bufferPool.BodyBuffer == null)
{
connecter.ReceiveAsync(readCacheSize);
}
else
{
byte[] relyBuffer = bufferRely(bufferPool.BodyBuffer);
if (relyBuffer != null)
{
bufferPool.SendBuffer = new byte[headLength + relyBuffer.Length];
Array.Copy(bufferPool.HeadBuffer, 0, bufferPool.SendBuffer, 0, headLength - 1);
bufferPool.SendBuffer[5] = (byte)relyBuffer.Length;
Array.Copy(relyBuffer, 0, bufferPool.SendBuffer, headLength, relyBuffer.Length);
connecter.SendAsync(bufferPool.SendBuffer);
bufferPool.clear();
}
else
{
connecter.ReceiveAsync(readCacheSize);
bufferPool.clear();
}
}
}
}
}
public SubscribeItem(IConnectState connectState, ILog log)
{
_connectState = connectState;
_pointNames = new List <PointNameGroup>();
_log = log;
}
/// <summary>
/// 返回取消订阅数据
/// </summary>
/// <param name="data"></param>
/// <param name="connecter"></param>
/// <returns></returns>
private byte[] cancelSubCodeRely(string[] source, IConnectState connecter)
{
byte[] result = null;
List <string> errorInfoList = new List <string>();
string errorInfo = null;
ASCIIEncoding encoding = new ASCIIEncoding();
if (source.Length % 2 == 0)
{
for (int i = 0; i < source.Length; i = i + 2)
{
var pointName = source[i];
var pointType = source[i + 1];
var pointNameArrary = pointName.Split(new char[] { '[' }, StringSplitOptions.RemoveEmptyEntries);
byte index = 0;
string type;
if (pointNameArrary.Length >= 2)
{
byte.TryParse(pointNameArrary[1].Replace("]", ""), out index);
}
if (_pointMeDataList.Find(pointNameArrary[0], out type))
{
if (pointType.ToLower() == type)
{
PointNameGroup nameGroup = new PointNameGroup {
PointName = pointNameArrary[0], Index = index, Type = type
};
//反馈第一次订阅值
//取消添加订阅
SubscribeItem item;
if (_subscribeGroup.Exists(s => s.ConnectState.Equals(connecter)))
{
item = _subscribeGroup.Find(s => s.ConnectState.Equals(connecter));
if (!item.Remove(pointName))
{
errorInfo = string.Concat("the point name:", pointName, " not Subscrible");
}
}
else
{
errorInfo = string.Concat("the point name:", pointName, " not Subscrible");
}
}
else
{
errorInfo = string.Concat("the point name:", pointName, " type : ", pointType, " type not match");
errorInfoList.Add(errorInfo);
}
}
else
{
errorInfo = string.Concat("Not found the point name:", pointName);
errorInfoList.Add(errorInfo);
}
}
}
else
{
errorInfoList.Add("steam length error");
}
if (errorInfoList.Count != 0)
{
string funCodeStr = "<26>";
errorInfo = "";
foreach (var s in errorInfoList)
{
errorInfo = string.Concat(errorInfo, "<", s, ">");
}
errorInfo = string.Concat(_headStr, funCodeStr, "<", errorInfo, ">", _endStr);
connecter.Send(encoding.GetBytes(errorInfo));
}
else
{
string funCodeStr = "<16>";
result = encoding.GetBytes(string.Concat(_headStr, funCodeStr, _endStr));
}
return(result);
}
