/// <summary>
/// 取出一个端口号；同时得到去除这个端口号的数据；
/// </summary>
/// <param name="date">数据</param>
/// <returns>返回端口号</returns>
internal static int GetPort(ref byte[] date)
{
int haveInt = ByteToDate.ByteToInt(0, date);
date = ByteToDate.ByteToByte(date, date.Length - 4, 4);
return(haveInt);
}
/// <summary>
/// 把缓冲区的数据拿出来；并且把缓冲区清空；
/// </summary>
/// <param name="stateOne">StateBase</param>
/// <param name="insert">数据实际长度</param>
/// <returns>需要的数据</returns>
internal static byte[] DateOneManage(StateBase stateOne, int insert)
{
byte[] receiveByte = null;
if (stateOne.Buffer[0] == 0 && stateOne.BufferBackup != null && stateOne.BufferBackup.Length >= insert)
{
receiveByte = stateOne.BufferBackup; stateOne.BufferBackup = null;
} //主要用于缓冲区有扩大缩小
else
{
receiveByte = stateOne.Buffer;
}
byte[] haveDate = ByteToDate.ByteToByte(receiveByte, insert, 0);
Array.Clear(stateOne.Buffer, 0, stateOne.Buffer.Length);
return(haveDate);
}