361 lines
11 KiB
C#
361 lines
11 KiB
C#
using HunterProtobufCore;
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using ProtoBuf;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace HaoYueNet.ClientNetwork
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{
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public class NetworkHelperCore
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{
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private Socket client;
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/// <summary>
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/// 心跳包数据
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/// </summary>
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private byte[] HeartbeatData = new byte[5] { 0x05, 0x00, 0x00, 0x00, 0x00 };
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////响应倒计时计数最大值
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//private static int MaxRevIndexNum = 6;
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////发送倒计时计数最大值
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//private static int MaxSendIndexNum = 3;
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//响应倒计时计数最大值
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private static int MaxRevIndexNum = 50;
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//发送倒计时计数最大值
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private static int MaxSendIndexNum = 3;
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//响应倒计时计数
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private static int RevIndex=0;
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//发送倒计时计数
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private static int SendIndex=0;
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//计时器间隔
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private static int TimerInterval = 3000;
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private System.Timers.Timer _heartTimer;
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public void Init(string IP, int port)
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{
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LogOut("==>初始化网络核心");
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RevIndex = MaxRevIndexNum;
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SendIndex = MaxSendIndexNum;
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client = new Socket(SocketType.Stream, ProtocolType.Tcp);
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//IPAddress ip = IPAddress.Parse(IP);
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//IPEndPoint point = new IPEndPoint(ip, port);
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LogOut("连接到IP "+ IP + ":"+ port);
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//带回调的
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//client.BeginConnect(ip, port, new AsyncCallback(CallBackMethod) , client);
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try
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{
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client.Connect(IP, port);
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Thread thread = new Thread(Recive);
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thread.IsBackground = true;
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thread.Start(client);
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LogOut("连接成功!");
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_heartTimer = new System.Timers.Timer();
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_heartTimer.Interval = TimerInterval;
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_heartTimer.Elapsed += CheckUpdatetimer_Elapsed;
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_heartTimer.AutoReset = true;
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_heartTimer.Enabled = true;
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LogOut("开启心跳包检测");
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OnConnected(true);
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}
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catch
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{
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OnConnected(false);
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}
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}
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~NetworkHelperCore()
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{
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client.Close();
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}
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private void SendToSocket(byte[] data)
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{
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data = SendDataWithHead(data);
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try
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{
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SendWithIndex(data);
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}
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catch (Exception ex)
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{
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//连接断开
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OnCloseReady();
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return;
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}
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LogOut("发送消息，消息长度=> "+data.Length);
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}
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private void SendHeartbeat()
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{
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try
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{
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SendWithIndex(HeartbeatData);
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}
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catch (Exception ex)
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{
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//连接断开
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OnCloseReady();
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return;
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}
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LogOut("发送心跳包");
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}
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/// <summary>
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/// 发送数据并计数
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/// </summary>
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/// <param name="data"></param>
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private void SendWithIndex(byte[] data)
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{
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//增加发送计数
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SendIndex = MaxSendIndexNum;
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//发送数据
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client.Send(data);
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}
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//拼接头长度
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private byte[] SendDataWithHead(byte[] message)
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{
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MemoryStream memoryStream = new MemoryStream();//创建一个内存流
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byte[] BagHead = BitConverter.GetBytes(message.Length + 4);//往字节数组中写入包头（包头自身的长度和消息体的长度）的长度
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memoryStream.Write(BagHead, 0, BagHead.Length);//将包头写入内存流
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memoryStream.Write(message, 0, message.Length);//将消息体写入内存流
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byte[] HeadAndBody = memoryStream.ToArray();//将内存流中的数据写入字节数组
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memoryStream.Close();//关闭内存
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memoryStream.Dispose();//释放资源
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return HeadAndBody;
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}
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/// <summary>
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/// 供外部调用 发送消息
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/// </summary>
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/// <param name="CMDID"></param>
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/// <param name="data">序列化之后的数据</param>
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public void SendToServer(int CMDID,byte[] data)
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{
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LogOut("准备数据 CMDID=> "+CMDID);
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HunterNet_C2S _c2sdata = new HunterNet_C2S();
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_c2sdata.HunterNetCore_CmdID = CMDID;
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_c2sdata.HunterNetCore_Data = data;
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byte[] _finaldata = Serizlize<HunterNet_C2S>(_c2sdata);
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SendToSocket(_finaldata);
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}
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public delegate void OnDataCallBack_Data(int CMDID, int ERRCODE, byte[] data);
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public event OnDataCallBack_Data OnDataCallBack;
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public delegate void delegate_NoData();
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public delegate void delegate_Bool(bool IsConnected);
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public event delegate_NoData OnClose;
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public event delegate_Bool OnConnected;
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public delegate void delegate_str(string Msg);
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/// <summary>
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/// 网络库调试日志输出
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/// </summary>
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public event delegate_str OnLogOut;
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///// <summary>
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///// 用于调用者回调的虚函数
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///// </summary>
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///// <param name="data"></param>
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//public virtual void DataCallBack(int CMDID,int ERRCODE,byte[] data)
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//{
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//}
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///// <summary>
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///// 断开连接
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///// </summary>
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///// <param name="sk"></param>
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//public virtual void OnClose()
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//{
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//}
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/// <summary>
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/// 做好处理的连接管理
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/// </summary>
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private void OnCloseReady()
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{
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LogOut("关闭心跳包计数");
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_heartTimer.Enabled = false;
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LogOut("关闭连接");
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//关闭Socket连接
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client.Close();
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OnClose();
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}
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/// <summary>
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/// 主动关闭连接
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/// </summary>
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public void CloseConntect()
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{
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OnCloseReady();
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}
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private void DataCallBackReady(byte[] data)
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{
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//增加接收计数
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RevIndex = MaxRevIndexNum;
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//不处理心跳包
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if (data.Length == 1 && data[0] == 0x00)
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{
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LogOut("收到心跳包");
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return;
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}
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HunterNet_S2C _c2s = DeSerizlize<HunterNet_S2C>(data);
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OnDataCallBack((int)_c2s.HunterNetCore_CmdID, (int)_c2s.HunterNetCore_ERRORCode, _c2s.HunterNetCore_Data);
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}
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private void Recive(object o)
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{
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var client = o as Socket;
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MemoryStream memoryStream = new MemoryStream();//开辟一个内存流
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while (true)
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{
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byte[] buffer = new byte[1024 * 1024 * 2];
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int effective=0;
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try
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{
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effective = client.Receive(buffer);
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if (effective == 0)
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{
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continue;
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}
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}
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catch(Exception ex)
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{
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//远程主机强迫关闭了一个现有的连接
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OnCloseReady();
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return;
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//断开连接
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}
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memoryStream.Write(buffer, 0, effective);//将接受到的数据写入内存流中
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byte[] getData = memoryStream.ToArray();//将内存流中的消息体写入字节数组
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int StartIndex = 0;//设置一个读取数据的起始下标
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while (true)
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{
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if (effective > 0)//如果接受到的消息不为0（不为空）
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{
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int HeadLength = 0;//包头长度（包头+包体）
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if (getData.Length - StartIndex < 4)//包头接受不完整
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{
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HeadLength = -1;
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}
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else
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{
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//如果包头接受完整 转换成int类型的数值
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HeadLength = BitConverter.ToInt32(getData, StartIndex);
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}
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//包头接受完整但是消息体不完整 //包头接受不完整
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//↓↓↓↓↓↓↓↓ ↓↓↓
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if (getData.Length - StartIndex < HeadLength || HeadLength == -1)
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{
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memoryStream.Close();//关闭内存流
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memoryStream.Dispose();//释放内存资源
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memoryStream = new MemoryStream();//创建新的内存流
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memoryStream.Write(getData, StartIndex, getData.Length - StartIndex);//从新将接受的消息写入内存流
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break;
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}
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else
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{
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//把头去掉，就可以吃了，蛋白质是牛肉的六倍
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DataCallBackReady(getData.Skip(StartIndex+4).Take(HeadLength-4).ToArray());
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StartIndex += HeadLength;//当读取一条完整的数据后，读取数据的起始下标应为当前接受到的消息体的长度（当前数据的尾部或下一条消息的首部）
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}
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}
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}
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}
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}
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private void CheckUpdatetimer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
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{
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//接收服务器数据计数
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RevIndex--;
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if (RevIndex <= 0)
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{
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//判定掉线
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OnCloseReady();
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return;
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}
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//发送计数
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SendIndex--;
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if (SendIndex <= 0)//需要发送心跳包了
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{
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//重置倒计时计数
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SendIndex = MaxSendIndexNum;
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SendHeartbeat();
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}
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}
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public static byte[] Serizlize<T>(T MsgObj)
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{
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using (MemoryStream ms = new MemoryStream())
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{
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Serializer.Serialize<T>(ms, MsgObj);
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byte[] data1 = ms.ToArray();
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return data1;
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}
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}
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public static T DeSerizlize<T>(byte[] MsgObj)
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{
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using (MemoryStream ms = new MemoryStream(MsgObj))
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{
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var ds_obj = Serializer.Deserialize<T>(ms);
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return ds_obj;
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}
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}
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public void LogOut(string Msg)
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{
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//Console.WriteLine(Msg);
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OnLogOut(Msg);
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}
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}
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}
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