Esempio n. 1
0
        /// <summary>
        /// 协议组装/继续接收
        /// </summary>
        /// <param name="buffer">byte[]</param>
        /// <param name="offset"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public virtual bool ProcessReceive(byte[] buffer, int offset, int count) //接收异步事件返回的数据,用于对数据进行缓存和分包
        {
            m_activeDT = DateTime.UtcNow;
            DynamicBufferManager receiveBuffer = m_socketUserToken.ReceiveBuffer;

            receiveBuffer.WriteBuffer(buffer, offset, count);//把刚刚接收的信息加入到缓存中
            bool result = true;

            //按照长度分包
            int packetLength = BitConverter.ToInt32(receiveBuffer.Buffer, 0);                     //获取包长度

            if ((packetLength > 10 * 1024 * 1024) | (receiveBuffer.DataCount > 10 * 1024 * 1024)) //最大Buffer异常保护
            {
                return(false);
            }

            if (receiveBuffer.DataCount >= packetLength) //packetLength收到的数据达到包长度
            {
                //命令 组装-如果组装失败则继续接收:如果组装成功-则删除
                result = ProcessPacket(receiveBuffer.Buffer, offset, packetLength);
                if (result)
                {
                    receiveBuffer.Clear(packetLength);//清理已经处理的协议
                }
                else
                {
                    return(result);
                }
            }
            return(true);
        }
        /// <summary>
        /// 协议组装/继续接收
        /// </summary>
        /// <param name="buffer">byte[]</param>
        /// <param name="offset"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public virtual bool ProcessReceive(byte[] buffer, int offset, int count) //接收异步事件返回的数据,用于对数据进行缓存和分包
        {
            //m_activeDT = DateTime.UtcNow;
            //DynamicBufferManager receiveBuffer = m_socketUserToken.ReceiveBuffer;
            //receiveBuffer.WriteBuffer(buffer, offset, count);//把刚刚接收的信息加入到缓存中
            //bool result = true;

            ////按照长度分包
            //int packetLength = BitConverter.ToInt32(receiveBuffer.Buffer, 0); //获取包长度
            //if ((packetLength > 10 * 1024 * 1024) | (receiveBuffer.DataCount > 10 * 1024 * 1024)) //最大Buffer异常保护
            //    return false;

            //if (receiveBuffer.DataCount >= packetLength) //packetLength收到的数据达到包长度
            //{
            //    //命令 组装-如果组装失败则继续接收:如果组装成功-则删除
            //    result = ProcessPacket(receiveBuffer.Buffer, offset, packetLength);
            //    if (result)
            //        receiveBuffer.Clear(packetLength);//清理已经处理的协议
            //    else
            //        return result;
            //}
            //return true;

            ///////////******下面的程序考虑粘包的情况。******//////
            m_activeDT = DateTime.UtcNow;
            DynamicBufferManager receiveBuffer = m_socketUserToken.ReceiveBuffer;

            receiveBuffer.WriteBuffer(buffer, offset, count);
            bool result = true;

            while (true)
            {
                if (receiveBuffer.Buffer.Length > 11)
                {
                    // int packetLength = (int)((receiveBuffer.Buffer[1] << 8) | receiveBuffer.Buffer[2]);

                    int packetLength = getLength(receiveBuffer.Buffer[11]);
                    //   Console.WriteLine(packetLength+"-------------------");
                    //if ((packetLength > 10 * 1024 * 1024) | (receiveBuffer.DataCount > 10 * 1024 * 1024))
                    if ((packetLength > 16064))
                    {
                        DelegateState.ServerStateInfo("(packetLength > 16064 packetLength= " + packetLength.ToString());
                        return(false);
                    }
                    if ((receiveBuffer.DataCount > 10 * 1024 * 1024))
                    {
                        DelegateState.ServerStateInfo("(receiveBuffer.DataCount> 10 * 1024* 1024  receiveBuffer.DataCount > 10 * 1024* 1024  ");
                        return(false);
                    }
                    if (packetLength == 0)
                    {
                        return(false);
                    }
                    if (receiveBuffer.DataCount >= packetLength)
                    {
                        // while (1)
                        {
                            result = ProcessPacket(receiveBuffer.Buffer, offset, packetLength);
                            if (result)
                            {
                                receiveBuffer.Clear(packetLength);
                                if (receiveBuffer.DataCount > 0)
                                {
                                    continue;
                                }
                                else
                                {
                                    break;
                                }
                            }
                            else
                            {
                                return(result);
                            }
                        }
                    }
                    else
                    {
                        return(true);
                    }
                }
                else
                {
                    return(true);
                }
            }

            return(true);
        }