/// <summary>
/// 封装数据包
/// </summary>
/// <param name="data">要发送的数据</param>
/// <returns>封装好的数据</returns>
private byte[] MakeDatas(byte[] data, int protoCode)
{
int leng = 0;
bool isCompress;
if (data == null)
{
leng = 5;
isCompress = false;
}
else
{
//data = EncryptUtil.NetEncrypt(data, SystemProxy.Instance.NetKey, SystemProxy.Instance.NetCorrected);
isCompress = data.Length >= COMPRESS_LENGTH;
if (isCompress)
{
//data = GZipCompress.Compress(data);
}
leng = data.Length + 5;
}
byte[] head = new byte[4];
head[0] = (byte)((leng & 0xFF000000) >> 24);
head[1] = (byte)((leng & 0x00FF0000) >> 16);
head[2] = (byte)((leng & 0x0000FF00) >> 8);
head[3] = (byte)((leng & 0x000000FF));
byte[] protoCodeBuffer = BitConverter.GetBytes(protoCode);
Array.Reverse(protoCodeBuffer);
using (MemoryStreamExt ms = new MemoryStreamExt())
{
ms.Write(head, 0, 4);
ms.WriteBool(isCompress);
ms.Write(protoCodeBuffer, 0, protoCodeBuffer.Length);
if (data != null)
{
ms.Write(data, 0, data.Length);
}
return(ms.ToArray());
}
return(null);
}
/// <summary>
/// 接收数据回调
/// </summary>
/// <param name="ar"></param>
private void ReceiveCallBack(IAsyncResult ar)
{
if (Socket == null || !Socket.Connected)
{
//Debug.Log("接收数据回调返回");
return;
}
try
{
int nLength = Socket.EndReceive(ar);
//Debug.Log("从套接字缓冲区读取了" + nLength.ToString() + "长度的数据");
if (nLength > 0)
{
m_ReceiveMemoryStream.Position = m_ReceiveMemoryStream.Length;
m_ReceiveMemoryStream.Write(m_ReceiveBuffer, 0, nLength);
if (m_ReceiveMemoryStream.Length > DATA_HEAD_LENGTH)
{
while (true)
{
m_ReceiveMemoryStream.Position = 0;
m_ReceiveMemoryStream.Read(m_HeadData, 0, DATA_HEAD_LENGTH);
int currentMsgLen = ((m_HeadData[0] & 0xff) << 24) + ((m_HeadData[1] & 0xff) << 16) + ((m_HeadData[2] & 0xff) << 8) + (m_HeadData[3] & 0xff);
int currentFullMsgLen = DATA_HEAD_LENGTH + currentMsgLen;
if (m_ReceiveMemoryStream.Length >= currentFullMsgLen) // 说明至少接收到了一个整包
{
Debug.Log("客户端收到了一个" + currentFullMsgLen + "长度的消息");
byte[] buffer = new byte[currentMsgLen];
m_ReceiveMemoryStream.Position = DATA_HEAD_LENGTH;
m_ReceiveMemoryStream.Read(buffer, 0, currentMsgLen);
//buffer = EncryptUtil.NetEncrypt(buffer, SystemProxy.Instance.NetKey, SystemProxy.Instance.NetCorrected);
m_ReceiveQueue.Enqueue(buffer);
//===============处理剩余字节数组======================
int remainLen = (int)m_ReceiveMemoryStream.Length - currentFullMsgLen;
if (remainLen > 0)
{
m_ReceiveMemoryStream.Position = currentFullMsgLen;
byte[] remainBuffer = new byte[remainLen];
m_ReceiveMemoryStream.Read(remainBuffer, 0, remainLen);
m_ReceiveMemoryStream.Position = 0;
m_ReceiveMemoryStream.SetLength(0);
m_ReceiveMemoryStream.Write(remainBuffer, 0, remainBuffer.Length);
remainBuffer = null;
}
else // 没有剩余字节
{
m_ReceiveMemoryStream.Position = 0;
m_ReceiveMemoryStream.SetLength(0);
break;
}
}
else
{
break;
}
}
}
ReceiveMessage();
}
else
{
Debug.LogWarning(string.Format("{0}断开连接", m_isClientClose ? "客户端断的" : "服务器断的"));
Close(false);
}
}
catch (Exception ex)
{
Debug.LogWarning(string.Format("{0}断开连接,{1}", m_isClientClose ? "客户端断的" : "服务器断的", ex));
Close(false);
}
}