基线 SVN r240
SVN-Revision: r240
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cyf
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/******************************
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* 说明：Socket传输基类
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* 创建人：龚宇超
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* 创建日期：2018-01-23
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* 修改人：
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* 修改日期：
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* 修改备注：
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* 版本：1.0.0.0
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******************************/
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Net.Sockets;
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using Lskj.SocketService;
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namespace Lskj.SocketClient
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{
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/// <summary>
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/// 异步Socket调用对象，所有的协议处理都从本类继承
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/// </summary>
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public class SyncSocketInvokeElement
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{
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private bool _netByteOrder;
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/// <summary>
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/// TCP客户端
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/// </summary>
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protected TcpClient _tcpClient;
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/// <summary>
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/// 服务器地址
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/// </summary>
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protected string _host;
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/// <summary>
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/// 端口
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/// </summary>
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protected int _port;
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/// <summary>
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/// 传输标识
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/// </summary>
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protected ProtocolFlag _protocolFlag;
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/// <summary>
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/// 传输时间设置
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/// </summary>
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/// <value>The socket time out ms.</value>
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protected int SocketTimeOutMS
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{
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get
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{
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return _tcpClient.SendTimeout;
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}
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set
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{
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_tcpClient.SendTimeout = value;
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_tcpClient.ReceiveTimeout = value;
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}
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}
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/// <summary>
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/// 协议组装器，用来组装往外发送的命令
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/// </summary>
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protected OutgoingDataAssembler _outgoingDataAssembler;
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/// <summary>
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/// 接收数据的缓存
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/// </summary>
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protected DynamicBufferManager _recvBuffer;
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/// <summary>
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/// 收到数据的解析器，用于解析返回的内容
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/// </summary>
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protected IncomingDataParser _incomingDataParser;
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/// <summary>
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/// 发送数据的缓存，统一写到内存中，调用一次发送
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/// </summary>
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protected DynamicBufferManager _sendBuffer;
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/// <summary>
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/// 长度是否使用网络字节顺序
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/// </summary>
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/// <value><c>true</c> if [net byte order]; otherwise, <c>false</c>.</value>
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public bool NetByteOrder
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{
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get { return _netByteOrder; }
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set { _netByteOrder = value; }
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}
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public SyncSocketInvokeElement()
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{
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_tcpClient = new TcpClient();
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_tcpClient.Client.Blocking = true; //使用阻塞模式，即同步模式
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_protocolFlag = ProtocolFlag.None;
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SocketTimeOutMS = ProtocolConst.SocketTimeOutMS;
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_outgoingDataAssembler = new OutgoingDataAssembler();
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_recvBuffer = new DynamicBufferManager(ProtocolConst.ReceiveBufferSize);
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_incomingDataParser = new IncomingDataParser();
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_sendBuffer = new DynamicBufferManager(ProtocolConst.ReceiveBufferSize);
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}
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/// <summary>
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/// <para>说明：连接Socket服务器</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="host">The host.</param>
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/// <param name="port">The port.</param>
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public void Connect(string host, int port)
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{
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_tcpClient.Connect(host, port);
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byte[] socketFlag = new byte[1];
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socketFlag[0] = (byte)_protocolFlag;
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_tcpClient.Client.Send(socketFlag, SocketFlags.None); //发送标识
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_host = host;
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_port = port;
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}
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/// <summary>
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/// <para>说明：关闭Socket连接</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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public void Disconnect()
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{
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_tcpClient.Close();
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_tcpClient = new TcpClient();
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//_tcpClient.Client.
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}
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/// <summary>
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/// <para>说明：发送命令</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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public void SendCommand()
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{
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string commandText = _outgoingDataAssembler.GetProtocolText();
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byte[] bufferUTF8 = Encoding.UTF8.GetBytes(commandText);
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int totalLength = sizeof(int) + bufferUTF8.Length; //获取总大小
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_sendBuffer.Clear();
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_sendBuffer.WriteInt(totalLength, false); //写入总大小
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_sendBuffer.WriteInt(bufferUTF8.Length, false); //写入命令大小
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_sendBuffer.WriteBuffer(bufferUTF8); //写入命令内容
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_tcpClient.Client.Send(_sendBuffer.Buffer, 0, _sendBuffer.DataCount, SocketFlags.None); //使用阻塞模式，Socket会一次发送完所有数据后才返回
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}
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/// <summary>
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/// <para>说明：发送命令</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="buffer">The buffer.</param>
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/// <param name="offset">The offset.</param>
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/// <param name="count">The count.</param>
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public void SendCommand(byte[] buffer, int offset, int count)
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{
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string commandText = _outgoingDataAssembler.GetProtocolText();
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byte[] bufferUTF8 = Encoding.UTF8.GetBytes(commandText);
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int totalLength = sizeof(int) + bufferUTF8.Length + count; //获取总大小
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_sendBuffer.Clear();
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_sendBuffer.WriteInt(totalLength, false); //写入总大小
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_sendBuffer.WriteInt(bufferUTF8.Length, false); //写入命令大小
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_sendBuffer.WriteBuffer(bufferUTF8); //写入命令内容
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_sendBuffer.WriteBuffer(buffer, offset, count); //写入二进制数据
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_tcpClient.Client.Send(_sendBuffer.Buffer, 0, _sendBuffer.DataCount, SocketFlags.None);
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}
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/// <summary>
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/// <para>说明：接收命令</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
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public bool RecvCommand()
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{
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_recvBuffer.Clear();
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_tcpClient.Client.Receive(_recvBuffer.Buffer, sizeof(int), SocketFlags.None);
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int packetLength = BitConverter.ToInt32(_recvBuffer.Buffer, 0); //获取包长度
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if (NetByteOrder)
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packetLength = System.Net.IPAddress.NetworkToHostOrder(packetLength); //把网络字节顺序转为本地字节顺序
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_recvBuffer.SetBufferSize(sizeof(int) + packetLength); //保证接收有足够的空间
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_tcpClient.Client.Receive(_recvBuffer.Buffer, sizeof(int), packetLength, SocketFlags.None);
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int commandLen = BitConverter.ToInt32(_recvBuffer.Buffer, sizeof(int)); //取出命令长度
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string tmpStr = Encoding.UTF8.GetString(_recvBuffer.Buffer, sizeof(int) + sizeof(int), commandLen);
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if (!_incomingDataParser.DecodeProtocolText(tmpStr)) //解析命令
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return false;
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else
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return true;
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}
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/// <summary>
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/// <para>说明：接收命令</para>
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/// <para>创建人：龚宇超</para>
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/// <para>创建日期：2018-01-24 </para>
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/// <para>修改人：</para>
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/// <para>修改日期：</para>
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/// <para>修改备注：</para>
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/// <para>版本：1.0</para>
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/// </summary>
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/// <param name="buffer">The buffer.</param>
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/// <param name="offset">The offset.</param>
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/// <param name="size">The size.</param>
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/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
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public bool RecvCommand(out byte[] buffer, out int offset, out int size)
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{
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_recvBuffer.Clear();
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_tcpClient.Client.Receive(_recvBuffer.Buffer, sizeof(int), SocketFlags.None);
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int packetLength = BitConverter.ToInt32(_recvBuffer.Buffer, 0); //获取包长度
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if (NetByteOrder)
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packetLength = System.Net.IPAddress.NetworkToHostOrder(packetLength); //把网络字节顺序转为本地字节顺序
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_recvBuffer.SetBufferSize(sizeof(int) + packetLength); //保证接收有足够的空间
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_tcpClient.Client.Receive(_recvBuffer.Buffer, sizeof(int), packetLength, SocketFlags.None);
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int commandLen = BitConverter.ToInt32(_recvBuffer.Buffer, sizeof(int)); //取出命令长度
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string tmpStr = Encoding.UTF8.GetString(_recvBuffer.Buffer, sizeof(int) + sizeof(int), commandLen);
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if (!_incomingDataParser.DecodeProtocolText(tmpStr)) //解析命令
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{
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buffer = null;
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offset = 0;
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size = 0;
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return false;
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}
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else
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{
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buffer = _recvBuffer.Buffer;
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offset = commandLen + sizeof(int) + sizeof(int);
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size = packetLength - offset;
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return true;
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}
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}
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}
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}
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