SafeNet/.svn/pristine/57/5787a393367ef7f5b196e7df8a48bed5f502700f.svn-base
2021-02-24 13:50:23 +02:00

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Collections;
namespace SN_Server
{
public class ServerMSG
{
private int len;
public int Len
{
get { return len; }
set { len = value; }
}
private int opcode;
public int OPcode
{
get { return opcode; }
set { opcode = value; }
}
private string sn; //serial number
public string SN
{
get { return sn; }
set { sn = value; }
}
private string payload;
public string Payload
{
get { return payload; }
set { payload = value; }
}
private string oldMSG;
public bool valid;
public ServerMSG()
{
}
public ServerMSG(string msg, int len)
{
oldMSG = msg;
//decode
valid = Decode(msg, len);
}
private bool Decode(string data, int actualLen)
{
bool ret = false ;
string[] tempArr = data.Split('#');
if ((tempArr.Length == 0) || (tempArr.Length == 1))
{
Console.WriteLine("incorect message=" + data);
return ret;
}
//get len
len = Convert.ToInt32(tempArr[1]);
if (actualLen != len)
{
Console.WriteLine("message length({0}) != actual length({1})", len, actualLen);
return ret;
}
//get opcode
opcode = Convert.ToInt32(tempArr[2],16);
//get serial number
sn = tempArr[3];
//get payload
payload = tempArr[4];
return ret;
}
public static string GenMsg(int opcode, string serialNr, string paylaod)
{
string temp = "#" + opcode.ToString("X4") + "#" + serialNr + "#" + paylaod + "#";
int strlen = ("#" + (temp.Length).ToString() + temp).Length;
temp = "#" + strlen.ToString() + temp;
return temp;
}
public static ArrayList Split(string data, int actualLen)
{
ArrayList ar = new ArrayList();
string[] tempArr = data.Split('#');
if ((tempArr.Length == 0) || (tempArr.Length == 1))
{
Console.WriteLine("incorect message=" + data);
return null ;
}
//get len
int len = Convert.ToInt32(tempArr[1]);
if (actualLen != len)
{
Console.WriteLine("message length({0}) != actual length({1})", len, actualLen);
Console.WriteLine(data);
if (len < actualLen)
{
string first = data.Substring(0, len);
ar.Add(first);
string leftOver = data.Substring(len, actualLen - len);
ArrayList ar_new = Split(leftOver, leftOver.Length);
if (ar_new != null)
{
foreach (string str in ar_new)
ar.Add(str);
}
}
}
else
{
ar.Add(data);
}
return ar;
}
}
}