/// <summary>
/// 所有包都能提取的信息
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="type"></param>
/// <returns></returns>
private SmModel processPackage(byte[] buffer, int offset, SmPackageType type)
{
List <byte> byList = buffer.ToList();
byList = byList.GetRange(offset, byList.Count);
var emSocket = new SmModel(type);
//解码
emSocket.ModuleAddr = byList.GetRange(SmTool.GetSocketIndex(SmIndex.MachineAddrStart), (int)SmIndex.MacineAddrCount);
emSocket.Cmd = byList[SmTool.GetSocketIndex(SmIndex.Cmd)];
emSocket.AimType = byList[SmTool.GetSocketIndex(SmIndex.AimType)];
emSocket.Buffer = buffer;
return(emSocket);
}
/// <summary>
/// 将buffer里面的数据流入解码栈进行解码操作，
/// 这是对外的接口
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <param name="count"></param>
/// <returns></returns>
public List <SmModel> ThroughAnalysisStack(byte[] buffer, int offset, int count)
{
List <SmModel> dataList = new List <SmModel>();
//从流中提取完整的包
var packageDictionary = processBuffer2(buffer, offset, count);
List <byte[]> paramPackages = packageDictionary[SmPackageType.ParamPackage];
List <byte[]> heartbeatPackages = packageDictionary[SmPackageType.HeartbeatPackage];
List <byte[]> replayCmdPackages = packageDictionary[SmPackageType.ClientReplyCmd];
//采集参数包解码
paramPackages.ForEach(p => {
try {
SmModel data = processParamPackage(p, 0);
dataList.Add(data);
//打印错误包数据
} catch (Exception e) {
var gap = 3600 * 24;
StringBuilder strB = new StringBuilder();
for (int i = 0; i < buffer.Length; i++)
{
strB.Append("" + buffer[i].ToString("X2"));
}
Logger.Error("参数解码错误: bffer \r\n " + strB.ToString(), e, gap);
}
});
//心跳包解码
heartbeatPackages.ForEach(p => {
SmModel data = processDecodeHeartbeatPackage(p, 0);
dataList.Add(data);
});
//命令回复包
replayCmdPackages.ForEach(p => {
SmModel data = processDecodeClientReplyCmdPackage(p, 0);
dataList.Add(data);
});
//删除起始帧之前的帧
//减小内存开销
socketBuffer.ClearUntilByte(0, (byte)SmFrame.Start);
return(dataList);
}
/// <summary>
/// 包解码
/// </summary>
/// <param name="buffer"></param>
/// <param name="offset"></param>
/// <returns></returns>
private SmModel processParamPackage(byte[] buffer, int offset)
{
List <byte> byList = buffer.ToList();
byList = byList.GetRange(offset, byList.Count);
SmModel emSocket = processPackage(buffer, offset, SmPackageType.ParamPackage);
//第一个数据长度起始位置
//为传感器地址
int cursor = (int)SmIndex.PropLength + offset;
emSocket.SmParams = new List <SmParam>();
while (cursor < (byList.Count - 3))
{
SmParam emSocketNormal = new SmParam();
//属性域长度
var propLen = byList[cursor];
//数据域长度
var dataLen = propLen - 4;
//传感器地址
var sensorAddrBytes = byList.GetRange(cursor + 1, 2).ToArray().Reverse().ToArray();
var sensorAddr = BitConverter.ToInt16(sensorAddrBytes, 0);
emSocketNormal.ParamCode = sensorAddr;
//类型
var type = byList[cursor + 3];
emSocketNormal.DataType = type;
//小数位
var floatPlace = byList[cursor + 4];
emSocketNormal.FloatPlace = floatPlace;
//数据
emSocketNormal.Data = byList.GetRange(cursor + 5, dataLen).ToArray();
//指向下一个属性长度位置
emSocket.SmParams.Add(emSocketNormal);
cursor += propLen + 1;
}
return(emSocket);
}
