public static DeviceData AnalysisDataClass(RmtpDataFrame pValue, ref int index)
{
DeviceData dd = new DeviceData();
dd.ID = System.Text.Encoding.UTF8.GetString(pValue.Data, index, 16);
int idIndex = dd.ID.IndexOf('\0');
if (idIndex < 0)
{
//XGZ:错误：StartIndex 不能小于 0。
return(null);
}
dd.ID = dd.ID.Remove(idIndex);
Tuple <string, string> deviceData = DeviceDataType.GetDeviceDataType(dd.ID);
if (deviceData != null)
{
dd.Description = deviceData.Item2;
}
index += 16;
dd.Value = BitConverter.ToSingle(pValue.Data, index);
index += 4;
dd.Unit = System.Text.Encoding.UTF8.GetString(pValue.Data, index, 10);
int uIndex = dd.Unit.IndexOf('\0');
dd.Unit = dd.Unit.Remove(uIndex);
if (deviceData == null && dd.ID == "frequency")
{
dd.Description = "频率";
}
index += 10;
return(dd);
}
internal static void SetPropertyValue(RmtpDataFrame pDataFrame, string pTargetProperty)
{
// string msg = string.Format("Id：{0}，RmtpDataFrame属性值：{1}", pDataFrame.Header.ID, pTargetProperty);
//@?RmtpDebug.Output(msg, Colors.Green);
if (string.IsNullOrEmpty(pTargetProperty))
{
return;
}
string[] pvs = pTargetProperty.Split(';');
foreach (string v in pvs)
{
//KevValue分隔符 : 或 =
char splitChar = ':';
//去掉= 号，字符串中有base64字符串
//if (v.IndexOf('=') != -1)
// splitChar = '=';
string[] pvs2 = v.Split(splitChar);
if (pvs2.Length != 2)
{
continue;
}
pDataFrame.TargetProperty[pvs2[0]] = pvs2[1];
}
}
private void OnReceiveDataFrame(RmtpDataFrame pFrame)
{
if (ReceiveDataFrame != null && pFrame != null)
{
ReceiveDataFrame(pFrame);
}
}
/// <summary>
/// 获取属性值
/// </summary>
/// <param name="pDataFrame"> </param>
/// <param name="pPropertyName">属性名称</param>
/// <returns>属性值</returns>
internal static string GetPropertyValue(RmtpDataFrame pDataFrame, string pPropertyName)
{
if (!pDataFrame.TargetProperty.ContainsKey(pPropertyName))
{
return(string.Empty);
}
return(pDataFrame.TargetProperty[pPropertyName]);
}
private void OnReceiveDataFrame(RmtpDataFrame pDataFrame)
{
if (!IsConnected)
{
return;
}
_rmtpDataFrameHandler.Receive(pDataFrame);
}
/// <summary>
/// 加载字节流，解析Rmtp数据帧
/// </summary>
/// <param name="pBuffer">字节流</param>
/// <param name="pSurplusBuffer">处理完当前字节流后剩余的字节流</param>
/// <returns>Rmtp数据帧</returns>
internal static RmtpDataFrame Load(byte[] pBuffer, out byte[] pSurplusBuffer)
{
try
{
pSurplusBuffer = null;
RmtpDataFrame dataFrame = new RmtpDataFrame();
if (pBuffer == null || pBuffer.Length == 0)
{
return(null);
}
if (pBuffer.Length < dataFrame._headerSize)
{
return(null);
}
bool isLoadSuccess = dataFrame.Header.Load(pBuffer);
if (isLoadSuccess)
{
if (dataFrame.Header.Length <= 0)
{
throw new Exception("数据帧格式错误。");
}
int dataLen = dataFrame.Header.Length + 4 /*帧头长度*/ - dataFrame._headerSize;
//帧总长度, 帧头 + 数据部分
int frameOverallLen = dataFrame._headerSize + dataLen;
if (frameOverallLen > pBuffer.Length)
{
return(null);
}
//获取数据部分
dataFrame.Data = new byte[dataLen];
Buffer.BlockCopy(pBuffer, dataFrame._headerSize, dataFrame.Data, 0, dataLen);
//帧数据提取完毕，传出剩余的部分
int surplusLen = pBuffer.Length - frameOverallLen;
if (surplusLen > 0)
{
pSurplusBuffer = new byte[surplusLen];
Buffer.BlockCopy(pBuffer, frameOverallLen, pSurplusBuffer, 0, surplusLen);
}
}
else
{
//帧头加载失败，将当前缓存累计到下一个包中，等待下次重新加载帧头
dataFrame = null;
}
return(dataFrame);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
pSurplusBuffer = null;
return(null);
}
}
private RmtpDataFrame DequeueData(ConcurrentQueue <RmtpDataFrame> pQueue)
{
RmtpDataFrame re = null;
if (pQueue.TryDequeue(out re))
{
return(re);
}
return(re);
}
private void AnalyzingPackage()
{
do
{
RmtpDataFrame data = LoadFromCache(_dataCache);
if (data == null)
{
continue;;
}
}while (true);
}
/// <summary>
/// 获取数据帧
/// </summary>
/// <typeparam name="T">数据帧类型</typeparam>
/// <param name="pDataFrame">基础数据帧</param>
/// <param name="pParameter">InternalConverter 重载方法需要的转换过程中的参数值</param>
/// <returns></returns>
public static T GetDataFrame <T>(RmtpDataFrame pDataFrame, object pParameter = null)
where T : RmtpDataFrame, new()
{
try
{
T t;
//XGZ：这里不加 try.. catch ，实时数据量大，频繁 try..catch 影响性能。有异常，说明创建的数据帧类有问题，必须修正。
t = Activator.CreateInstance <T>();
if (t != null)
{
t.Header = pDataFrame.Header;
t.Data = pDataFrame.Data;
t.InternalConverter(pDataFrame, pParameter);
}
//@?RmtpDebug.Output("解析后", t, Color.FromArgb(0xFF, 0xAD, 0xFF, 0x2F));
return(t);
}
catch (Exception)
{
return(null);
}
}
/// <summary>
/// 转换为执行结果类型
/// </summary>
/// <param name="pDataFrame"></param>
/// <param name="pParameter"> </param>
protected override void InternalConverter(RmtpDataFrame pDataFrame, object pParameter)
{
SetPropertyValue(this, System.Text.Encoding.UTF8.GetString(pDataFrame.Data, 0, pDataFrame.Data.Length));
//Result = (ExecuteResult)Enum.Parse(typeof(ExecuteResult), this["RESULT"], true);
ExecuteResult er;
if (Enum.TryParse(this["RESULT"], out er))
{
Result = er;
}
string v = this["INFO"];
string[] rs = v.Split(',');
int code;
if (int.TryParse(rs[0], out code))
{
ErrorCode = (ExecuteResultErrorCode)code;
ErrorMessage = ErrorMessageDic[ErrorCode];
}
if (string.IsNullOrEmpty(ErrorMessage))
{
switch (Result)
{
case ExecuteResult.REFUSE:
ErrorMessage = ExecuteResultMessage.REFUSE;
break;
case ExecuteResult.FAILURE:
ErrorMessage = ExecuteResultMessage.FAILURE;
break;
case ExecuteResult.WARNING:
ErrorMessage = ExecuteResultMessage.WARNING;
break;
}
}
}
/// <summary>
/// 获取RmtpDataFrame的唯一ID
/// </summary>
/// <param name="pDataFrame">RmtpDataFrame</param>
/// <returns></returns>
internal static int GetRmtpDataFrameGuid(RmtpDataFrame pDataFrame)
{
return(pDataFrame.Header.ChannelId);
}
private void AnalyzingPackage()
{
Start_Analyzing:
try
{
byte[] buffer = GetBuffer();
if (buffer == null)
{
return;
}
byte[] surplusBuffer;
RmtpDataFrame data = RmtpDataFrame.Load(buffer, out surplusBuffer);
if (data == null)
{
string strcmd = ByteToString(buffer);
if (FindString(strcmd, "VERSION"))
{
string strvertion = splitCmdString(strcmd, ":");
if (strvertion == "VERSION")//版本信息
{
//登陆认证指令
string username = ((UserInfo)Application.Current.Properties["UserInfo"]).UserName;
string password = ((UserInfo)Application.Current.Properties["UserInfo"]).Password;
var userverify = new UserVerifyHandler("01", username, password);
RmtpManager.Rmtp.ExecuteCommand(RmtpCommand.VERIF, new object[] { userverify.ToList() });
}
}
else if (FindString(strcmd, "VERIF"))
{
string strresult = splitCmdString(strcmd, ":");
if (strresult == "+OK")//登陆认证结果成功，发送预执行指令
{
var param = new Tuple <string, string>(
"88888888@gnosis",
"88888888@gnosis");
RmtpManager.Rmtp.ExecuteCommand(_rmtpcmd, param);//预执行指令
}
}
else
{
BufferBytes(buffer);
}
}
else
{
BufferBytes(surplusBuffer);
switch (data.Header.DataType)
{
case RmtpDataTypes.执行结果信息:
_dataFrameCaches.ExecuteResult.Enqueue(data);
break;
case RmtpDataTypes.音频数据:
_dataFrameCaches.Audio.Enqueue(data);
break;
default:
_dataFrameCaches.Other.Enqueue(data);
break;
}
goto Start_Analyzing;
}
}
catch (Exception ex)
{
Debug.WriteLine("AnalyzingPackage {0}", ex.Message);
}
}
/// <summary>
/// 数据帧转换函数
/// </summary>
/// <param name="pDataFrame">基础数据帧</param>
/// <param name="pParameter">转换过程中需要的参数</param>
protected virtual void InternalConverter(RmtpDataFrame pDataFrame, object pParameter)
{
}
internal static void SetPropertyValue(RmtpDataFrame pDataFrame, string pPropertyName, string pPropertyValue)
{
pDataFrame.TargetProperty[pPropertyName] = pPropertyValue;
}