public bool DoSendResult(byte[] buffer, int offset, int count)
        {
            string commandText = m_outgoingDataAssembler.GetProtocolText();

            byte[] bufferUTF8  = Encoding.UTF8.GetBytes(commandText);
            int    totalLength = sizeof(int) + bufferUTF8.Length + count; //获取总大小
            AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;

            asyncSendBufferManager.StartPacket();
            asyncSendBufferManager.DynamicBufferManager.WriteInt(totalLength, false);       //写入总大小
            asyncSendBufferManager.DynamicBufferManager.WriteInt(bufferUTF8.Length, false); //写入命令大小
            asyncSendBufferManager.DynamicBufferManager.WriteBuffer(bufferUTF8);            //写入命令内容
            asyncSendBufferManager.DynamicBufferManager.WriteBuffer(buffer, offset, count); //写入二进制数据
            asyncSendBufferManager.EndPacket();

            bool result = true;

            if (!m_sendAsync)
            {
                int packetOffset = 0;
                int packetCount  = 0;
                if (asyncSendBufferManager.GetFirstPacket(ref packetOffset, ref packetCount))
                {
                    m_sendAsync = true;
                    result      = m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
                                                                     asyncSendBufferManager.DynamicBufferManager.Buffer, packetOffset, packetCount);
                }
            }
            return(result);
        }
 public AsyncSocketUserToken(int asyncReceiveBufferSize)
 {
     m_connectSocket              = null;
     m_asyncSocketInvokeElement   = null;
     m_receiveEventArgs           = new SocketAsyncEventArgs();
     m_receiveEventArgs.UserToken = this;
     m_asyncReceiveBuffer         = new byte[asyncReceiveBufferSize];
     m_receiveEventArgs.SetBuffer(m_asyncReceiveBuffer, 0, m_asyncReceiveBuffer.Length);
     m_sendEventArgs           = new SocketAsyncEventArgs();
     m_sendEventArgs.UserToken = this;
     m_receiveBuffer           = new DynamicBufferManager(ProtocolConst.InitBufferSize);
     m_sendBuffer = new AsyncSendBufferManager(ProtocolConst.InitBufferSize);;
 }
        /// <summary>
        /// 回调下次需要发送的数据,在队列中清除已发送的包,
        /// 并检测是否还有剩余需要发送的数据包,如果有,则继续发送
        /// </summary>
        /// <returns></returns>
        public virtual bool SendCompleted()
        {
            m_activeDT  = DateTime.UtcNow;
            m_sendAsync = false;//服务器不支持多线程并发发送,并发发送需要加锁。
            AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;

            asyncSendBufferManager.ClearFirstPacket(); //清除已发送的包
            int offset = 0;
            int count  = 0;

            if (asyncSendBufferManager.GetFirstPacket(ref offset, ref count))
            {
                m_sendAsync = true;
                return(m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
                                                          asyncSendBufferManager.DynamicBufferManager.Buffer, offset, count));
            }
            else
            {
                return(SendCallback());
            }
        }
        /// <summary>
        /// 不是按包格式下发一个内存块,用于日志这类下发协议
        /// </summary>
        /// <param name="buffer"></param>
        /// <param name="offset"></param>
        /// <param name="count"></param>
        /// <returns></returns>
        public bool DoSendBuffer(byte[] buffer, int offset, int count) //
        {
            AsyncSendBufferManager asyncSendBufferManager = m_asyncSocketUserToken.SendBuffer;

            asyncSendBufferManager.StartPacket();
            asyncSendBufferManager.DynamicBufferManager.WriteBuffer(buffer, offset, count);
            asyncSendBufferManager.EndPacket();

            bool result = true;

            if (!m_sendAsync)
            {
                int packetOffset = 0;
                int packetCount  = 0;
                if (asyncSendBufferManager.GetFirstPacket(ref packetOffset, ref packetCount))
                {
                    m_sendAsync = true;
                    result      = m_asyncSocketServer.SendAsyncEvent(m_asyncSocketUserToken.ConnectSocket, m_asyncSocketUserToken.SendEventArgs,
                                                                     asyncSendBufferManager.DynamicBufferManager.Buffer, packetOffset, packetCount);
                }
            }
            return(result);
        }