/// <summary>
/// 解码
/// </summary>
public static List <byte[]> MessageDecoding(ref byte[] buffer, ref int offset)
{
List <byte[]> ret = new List <byte[]>();
if (buffer.Length == 0)
{
return(ret);
}
byte[] header = new byte[4];
Array.Copy(buffer, 0, header, 0, 4);
int messagelength = ConvertTool.ConvertByteToIntArray(header);
if (offset < messagelength)
{
return(ret);
}
byte[] messagedata = new byte[messagelength - 4];
Array.Copy(buffer, 4, messagedata, 0, messagelength - 4);
ret.Add(messagedata);
for (int i = messagelength; i < offset; i++)
{
int index = i - messagelength;
buffer[index] = buffer[i];
buffer[i] = 0;
}
offset = offset - messagelength;
List <byte[]> rret = MessageDecoding(ref buffer, ref offset);
if (rret.Count > 0)
{
ret.AddRange(rret);
}
return(ret);
}
/// <summary>
/// 编码
/// </summary>
public static byte[] MessageEncoding(byte[] entityData)
{
byte[] ret = null;
if (entityData == null)
{
return(ret);
}
int entityLen = entityData.Length;
ret = new byte[entityLen + 4];
byte[] header = ConvertTool.ConvertIntToByteArray(entityLen + 4);
Array.Copy(header, 0, ret, 0, header.Length);
Array.Copy(entityData, 0, ret, header.Length, entityLen);
return(ret);
}