/// <summary> 清空指定的粘包处理的缓存区
/// </summary>
/// <param name="QueueId">队列约定的id（找缓存区）</param>
/// <param name="IpportStr">（缓冲区索引，目前是ip加端口号）</param>
private void CleandicBuffer(int QueueId, string IpportStr)
{
try
{
if (GetDicBuffer(QueueId).ContainsKey(IpportStr))
{
DynamicBufferManager dy = new DynamicBufferManager();
GetDicBuffer(QueueId).TryRemove(IpportStr, out dy);
dy.Clear();
dy = null;
}
}
catch
{
}
}
/// <summary>大内存粘包处理
/// </summary>
/// <param name="reciveByteArr">未做粘包处理原始字节数组</param>
/// <param name="dicBufferIndex">粘包的缓存区索引（目前使用终结点）</param>
/// <param name="dicBufferDic">粘包的缓存区字典</param>
/// <returns>一个或者多个完整的数据包集合</returns>
public static List <byte[]> MakeStickingBag(byte[] reciveByteArr, string dicBufferIndex, ConcurrentDictionary <string, DynamicBufferManager> dicBufferDic)
{
var completeByteArrList = new List <byte[]>();//存放完整的数据包
try
{
var byteRecive = reciveByteArr;
//判断粘包缓存区是否存在数据
if (dicBufferDic.ContainsKey(dicBufferIndex))
{
dicBufferDic[dicBufferIndex].WriteBuffer(byteRecive);
var tempByteArr = dicBufferDic[dicBufferIndex].Buffer;
int commandLen = BitConverter.ToInt32(tempByteArr, 0);
while (dicBufferDic[dicBufferIndex].GetDataCount() >= (commandLen + 4) && dicBufferDic[dicBufferIndex].GetDataCount() > 0)
{
var tempArr = new byte[commandLen];
Array.Copy(tempByteArr, sizeof(int), tempArr, 0, commandLen);
dicBufferDic[dicBufferIndex].Clear(commandLen + 4);
completeByteArrList.Add(tempArr);
if (dicBufferDic[dicBufferIndex].GetDataCount() <= 4)
{
break;
}
commandLen = BitConverter.ToInt32(tempByteArr, 0); //取出命令长度
}
}
else
{
var dy = new DynamicBufferManager(300);//新建一个DynamicBufferManager，如果处理完后有不完整的包就放入到缓存区
dy.WriteBuffer(byteRecive);
var tempByteArr = dy.Buffer;
int commandLen = BitConverter.ToInt32(tempByteArr, 0);
while (dy.GetDataCount() >= (commandLen + 4) && dy.GetDataCount() > 0)
{
var tempArr = new byte[commandLen];
Array.Copy(tempByteArr, sizeof(int), tempArr, 0, commandLen);
dy.Clear(commandLen + 4);
completeByteArrList.Add(tempArr);
if (dy.GetDataCount() <= 4)
{
break;
}
commandLen = BitConverter.ToInt32(tempByteArr, 0); //取出命令长度
}
//如果当前的 byte 数组 里面有剩余字节，就加到粘包的缓存区
if (dy.GetDataCount() > 0)
{
dicBufferDic.TryAdd(dicBufferIndex, dy);
}
}
return(completeByteArrList);
}
catch (Exception ex)
{
Logger.WriteLog("粘包处理:" + ex.Message);
return(completeByteArrList);
}
}
