/// <summary>
/// 对从网络缓冲区拿到的数据得处理函数
/// </summary>
/// <param name="connect">连接类的实例</param>
private void PossingData(Connect connect)
{
if (connect.buffCount < sizeof(Int32))
{
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
else
{
Int32 MessageLen = BitConverter.ToInt32(connect.Buffers, 0);//取包头获取单个数据包长度
if (connect.buffCount < sizeof(Int32) + MessageLen && connect.buffCount < Connect.BUFFERS_SIZE)
{
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
else if (connect.buffCount < sizeof(Int32) + MessageLen && Connect.BUFFERS_SIZE < sizeof(Int32) + MessageLen)
{
try
{
MemoryStream stream = new MemoryStream();
stream.Write(connect.Buffers, sizeof(Int32), connect.buffCount - sizeof(Int32));
connect.MessageLenght = MessageLen;
connect.BufferStream = stream;
connect.RestBuffCount();
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.StreamBuffLen(), SocketFlags.None, SubReceiveCb, connect);
}
catch (Exception e)
{
FDebug.Log(e.Message + " ：分包接收");
}
}
else
{
try
{
byte[] data = new byte[MessageLen];
Array.Copy(connect.Buffers, sizeof(Int32), data, 0, MessageLen);
DataTransfer(data, connect);
connect.buffCount -= (MessageLen + sizeof(Int32));
if (connect.buffCount > 0)
{
Array.Copy(connect.Buffers, sizeof(Int32) + MessageLen, connect.Buffers, 0, connect.buffCount);
PossingData(connect);
}
else
{
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
}
catch (Exception e)
{
FDebug.Log(e.Message + " pd");
}
}
}
}
/// <summary>
/// 增量接收
/// </summary>
/// <param name="ar"></param>
private void SubReceiveCb(IAsyncResult ar)
{
Connect connect = (Connect)ar.AsyncState;
try
{
int count = connect.Connect_Socket.EndReceive(ar);
connect.buffCount = count;
if (count < 0)
{
connect.Close();
}
else if (count == 0)
{
connect.MStreamDispose();
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
else
{
connect.BufferStream.Write(connect.Buffers, 0, connect.buffCount);
if (connect.MessageLenght == connect.BufferStream.Length)
{
var bs = connect.BufferStream.ToArray();
DataTransfer(bs, connect);
connect.MStreamDispose();
connect.RestBuffCount();
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
else if (connect.MessageLenght > connect.BufferStream.Length)
{
connect.RestBuffCount();
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.StreamBuffLen(), SocketFlags.None, SubReceiveCb, connect);
}
else
{
FDebug.Log("MS < s.lenght");
}
}
}
catch (Exception e)
{
FDebug.Log(e.Message + "SubReceiveCb err");
}
}
public void AsyncAccept(IAsyncResult Ar)
{
try
{
Socket socket = Server_Socket.EndAccept(Ar);
int Index = Get_Connect_Index();
if (Index < 0)
{
socket.Close();
FDebug.Log("警告：连接已满");
}
else
{
Connect connect = connects[Index];
connect.Init(socket);
FDebug.Log("与{0}建立连接", connect.GetAddress());
connect.Connect_Socket.BeginReceive(connect.Buffers, connect.buffCount, connect.BuffRemain(), SocketFlags.None, AsyncReceiveCb, connect);
}
Server_Socket.BeginAccept(AsyncAccept, null);
}
catch (Exception e)
{
FDebug.Log("AsyncAccept失败 ：" + e.Message);
}
}