/// <summary>
/// 接收数据
/// </summary>
/// <param name="socket"></param>
/// <param name="timeout"></param>
/// <param name="content"></param>
/// <param name="conLen"></param>
/// <param name="type"></param>
/// <param name="tel"></param>
/// <returns></returns>
public static bool rdata(ref string protocol, Socket socket, int timeout, ref byte[] content, ref int conLen, ref byte type, ref string tel)
{
if (protocol == DTU._ZG_DTU)
{
return(ZG_DTU.rdata(socket, timeout, ref content, ref conLen, ref type, ref tel)); //1秒超时 等待注册数据
}
else if (protocol == DTU._HD_DTU)
{
return(HD_DTU.rdata(socket, timeout, ref content, ref conLen, ref type, ref tel)); //1秒超时 等待注册数据
}
else if (protocol == DTU._JBT_DTU)
{
return(JBT_DTU.rdata(socket, timeout, ref content, ref conLen, ref type, ref tel)); //1秒超时 等待注册数据
}
else
{
//在DTU未注册之前, socket接收都是调用以下的代码 ,
try
{
byte[] buffer = new byte[GlobalPara.SEND_DATA_LENGTH]; //接收数据的数组
socket.ReceiveTimeout = timeout;
int len = socket.Receive(buffer, buffer.Length, SocketFlags.None);
protocol = DTU.CheckProtocolByRegisterData(buffer, len);
if (protocol == DTU._ZG_DTU)
{
return(ZG_DTU.UnPack(buffer, len, ref content, ref conLen, ref type, ref tel));
}
else if (protocol == DTU._HD_DTU)
{
return(HD_DTU.UnPack(buffer, len, ref content, ref conLen, ref type, ref tel));
}
else if (protocol == DTU._JBT_DTU)
{
return(JBT_DTU.UnPack(buffer, len, ref content, ref conLen, ref type, ref tel));
}
else
{
return(false);
}
}
catch (SocketException)
{
return(false);
}
catch (Exception ex)
{
LogMg.AddError(ex);
return(false);
}
}
}
/// <summary>
/// 解析注册的数据是DTU协议还是DDP协议
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public static string CheckProtocolByRegisterData(byte[] buffer, int len)
{
if (ZG_DTU.CheckProtocolByRegisterData(buffer, len) == true)
{
return(_ZG_DTU);
}
if (HD_DTU.CheckProtocolByRegisterData(buffer, len) == true)
{
return(_HD_DTU);
}
if (JBT_DTU.CheckProtocolByRegisterData(buffer, len) == true)
{
return(_JBT_DTU);
}
//如果不符合上面的协议标准 则返回空字符串
LogMg.AddDebug("检验注册数据格式不正确 ,即不符合佐格DTU协议,也不符合宏电DTU协议,也不符号金博通DTU协议");
return("");
}
/// <summary>
/// 响应注册数据或心跳数据
/// </summary>
/// <param name="protocol"></param>
/// <param name="socket"></param>
/// <param name="tel"></param>
/// <returns></returns>
public static bool ResponseRegisterOrHeart(string protocol, Socket socket, string tel)
{
if (protocol == DTU._ZG_DTU)
{
return(ZG_DTU.HeartbeatDataHandler(socket));
}
else if (protocol == DTU._HD_DTU)
{
return(HD_DTU.ResponseRegister(socket, tel));
}
else if (protocol == DTU._JBT_DTU)
{
return(JBT_DTU.Response_Reigster(socket, tel));
}
else
{
return(false);
}
}
/// <summary>
/// 发送数据
/// </summary>
/// <param name="socket"></param>
/// <param name="content"></param>
/// <param name="conLen"></param>
/// <param name="type"></param>
public static void SendUserData(string protocol, Socket socket, byte[] content, int conLen, string tel, byte channel)
{
if (protocol == DTU._ZG_DTU)
{
ZG_DTU.Send(socket, content, conLen, ZG_DTU.USER_DATA);
}
else if (protocol == DTU._HD_DTU)
{
HD_DTU.Send(socket, content, conLen, HD_DTU.DSC_User_Data, tel);
}
else if (protocol == DTU._JBT_DTU)
{
JBT_DTU.SendUserData_Master(socket, content, conLen, tel);
}
else if (protocol == DTU._GPRS_CONTROL)
{
GPRS_Protocol.Send(socket, channel, content, conLen);
}
}
/// <summary>
/// 处理数据
/// </summary>
/// <param name="protocol"></param>
/// <param name="clientSocket"></param>
/// <param name="content"></param>
/// <param name="conLen"></param>
/// <param name="type"></param>
/// <param name="tel"></param>
public static bool HandlerData(string protocol, Socket clientSocket, byte[] content, int conLen, byte type, string tel)
{
if (protocol == DTU._ZG_DTU)
{
ZG_DTU.HandlerData(clientSocket, content, conLen, type, tel);
return(true);
}
else if (protocol == DTU._HD_DTU)
{
HD_DTU.HandlerData(clientSocket, content, conLen, type, tel);
return(true);
}
else if (protocol == DTU._JBT_DTU)
{
JBT_DTU.HandlerData(clientSocket, content, conLen, type, tel);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 拍照
/// </summary>
/// <param name="client"></param>
/// <param name="timeout"></param>
public static bool TakePhoto(DTUClientInfo client, int timeout, ref byte[] imageBytes)
{
//这个方法主要包含三个步骤，
//第一步：发送拍照指令
//第二步：发送“获取照片包数量”的指令
//第三步：循环去读取每一个照片包内容
byte[] rubbish = new byte[JBT_DTU.ReceiveLength];
byte packcount = 0x00;
int n = 1; //当发送的命令没接收到，这个变量就会+1，直到他等于5
int commandLen1 = 0;
byte[] command1 = GetTakePhotoCommand(ref commandLen1);
try
{
client.socket.Receive(rubbish, JBT_DTU.ReceiveLength, SocketFlags.None);
}
catch (Exception) { }
//第一步：发送拍照指令
JBT_DTU.SendUserData_Assistant(client.socket, command1, commandLen1, client.TelOrGprsId);
while (n <= 5)
{
try
{
byte[] content = new byte[JBT_DTU.ReceiveLength];
int conLen = 0;
byte type = new byte();
string tel = "";
Thread.Sleep(3000);
bool flag = JBT_DTU.rdata(client.socket, timeout, ref content, ref conLen, ref type, ref tel);
if (flag == false)
{
n++;
continue;
}
if (type != JBT_DTU.DTU_to_Server_SendData_Assistant)
{
n++;
continue;
}
if (conLen != 7)
{
n++;
continue;
}
break;
}
catch (SocketException ex) { n++; LogMg.AddError(ex); }
catch (Exception ex)
{
n++;
LogMg.AddError(ex);
}
}
DTU_ClientManager.UpdateLastVisitTime(client, DateTime.Now);
if (n > 5)
{
return(false); //如果读取5次都读不到数据，就表示这次拍照失败
}
LogMg.AddError("拍照命令 拍照次数=" + n);
n = 1;
int commandLen2 = 0;
//第二步：发送“获取照片包数量”的指令
byte[] command2 = GetPicPackCountCommand(ref commandLen2);
JBT_DTU.SendUserData_Assistant(client.socket, command2, commandLen2, client.TelOrGprsId);
while (n <= 5)
{
try
{
byte[] content = new byte[4096];
int conLen = 0;
byte type = new byte();
string tel = "";
Thread.Sleep(1000);
bool flag = JBT_DTU.rdata(client.socket, timeout, ref content, ref conLen, ref type, ref tel);
if (flag == false)
{
n++;
continue;
}
if (type != JBT_DTU.DTU_to_Server_SendData_Assistant)
{
n++;
continue;
}
if (conLen != 8)
{
n++;
continue;
}
packcount = content[4];
break;
}
catch (SocketException ex) { n++; LogMg.AddError(ex); }
catch (Exception ex)
{
n++;
LogMg.AddError(ex);
}
}
if (n > 5)
{
return(false);
}
LogMg.AddError("获取照片包数量 n=" + n);
imageBytes = new byte[packcount * 1000];
int picIndex = 0;
//第三步：循环去读取每一个照片包内容
for (byte i = 0x00; i < packcount; i++)
{
n = 1;
int commandLen3 = 0;
byte[] command3 = GetReadPictureCommand(i, ref commandLen3);
JBT_DTU.SendUserData_Assistant(client.socket, command3, commandLen3, client.TelOrGprsId);
while (n <= 5)
{
try
{
byte[] content = new byte[4096];
int conLen = 0;
byte type = new byte();
string tel = "";
Thread.Sleep(1000);
bool flag = JBT_DTU.rdata(client.socket, timeout, ref content, ref conLen, ref type, ref tel);
if (flag == false)
{
n++;
continue;
}
if (type != JBT_DTU.DTU_to_Server_SendData_Assistant)
{
n++;
continue;
}
if (content[0] != HEAD || content[1007] != HEAD) //
{
n++;
continue;
}
if (content[04] != i) //如果包号不对
{
n++;
continue;
}
Buffer.BlockCopy(content, 5, imageBytes, picIndex, 1000);
picIndex += 1000;
break;
}
catch (SocketException ex)
{
n++; LogMg.AddError(ex);
LogMg.AddError("循环读取包 n=" + n);
}
catch (Exception ex)
{
n++;
LogMg.AddError(ex);
}
}
if (n > 5)
{
return(false);
}
}
//ImageUtil.SaveFormBytes(imageBytes, GetImageLen(imageBytes));
//len = GetImageLen(imageBytes);
return(true);
}