嘿,亲!知识可是无价之宝呢,但咱这精心整理的资料也耗费了不少心血呀。小小地破费一下,绝对物超所值哦!如有下载和支付问题,请联系我们QQ(微信同号):78630559
本次赞助数额为: 2 元微信扫码支付:2 元
请留下您的邮箱,我们将在2小时内将文件发到您的邮箱
C#编写的tcp通讯助手
public MyTcpServer(string IpAddress, int IpPort)
{
try
{
//当点击开始监听的时候 在服务器端创建一个负责监IP地址跟端口号的Socket
Socket socketWatch = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress ip = IPAddress.Parse(IpAddress);
//创建端口号对象
IPEndPoint point = new IPEndPoint(ip, IpPort);
//监听
socketWatch.Bind(point);
socketWatch.Listen(10);
//开始监听
Thread th = new Thread(Listen);
th.IsBackground = true;
th.Start(socketWatch);
this.Address = IpAddress;
this.Port = IpPort;
this.ClientCount = 0;
this.WaitReceive = false;
}
catch
{ }
}
/// <summary>
/// IP地址
/// </summary>
public string Address { get; set; }
/// <summary>
/// IP端口号
/// </summary>
public int Port { get; set; }
/// <summary>
/// 已连接的客户端数量,为0则没有连接
/// </summary>
public int ClientCount { get; set; }
/// <summary>
/// 是否在等待接收消息状态
/// </summary>
private bool WaitReceive { get; set; }
/// <summary>
/// 接收到的消息
/// </summary>
private string MyReceiveMsg { get; set; }
/// <summary>
/// 接收到的字节数组
/// </summary>
private byte[] MyReceiveBuffer { get; set; }
/// <summary>
/// 监听
/// </summary>
/// <param name="o">需要监听的Socket</param>
private void Listen(object o)
{
Socket socketWatch = o as Socket;
//等待客户端的连接 并且创建一个负责通信的Socket
while (true)
{
try
{
//负责跟客户端通信的Socket
CurrentSocket = socketWatch.Accept();
//将远程连接的客户端的IP地址和Socket存入集合中
dicSocket.Add(CurrentSocket.RemoteEndPoint.ToString(), CurrentSocket);
//将远程连接的客户端的IP地址和端口号存储下拉框中
//开启 一个新线程不停的接受客户端发送过来的消息
Thread th = new Thread(Recive);
th.IsBackground = true;
th.Start(CurrentSocket);
this.ClientCount = dicSocket.Count;
}
catch(Exception ex)
{
Console.WriteLine("dddd");
}
}
}
/// <summary>
/// 接收消息线程
/// </summary>
/// <param name="o">需要接收消息的Socket</param>
private void Recive(object o)
{
Socket socketSend = o as Socket;
while (true)
{
try
{
//客户端连接成功后,服务器应该接受客户端发来的消息
byte[] buffer = new byte[1024 * 1024 * 2];
//实际接受到的有效字节数
int r = socketSend.Receive(buffer);
if (r == 0) //等于0表示该客户端断开了连接
{
if (dicSocket.ContainsKey(socketSend.RemoteEndPoint.ToString()))
{ dicSocket.Remove(socketSend.RemoteEndPoint.ToString()); } //移除已断开连接的元素
if (CurrentSocket.RemoteEndPoint.ToString().Equals(socketSend.RemoteEndPoint.ToString()))//如果当前活动soket是断开的soket,则将活动soket重新赋值
{
if (dicSocket.Count > 0) //还有客户端连接
{
CurrentSocket = dicSocket.First().Value;
}
}
this.ClientCount = dicSocket.Count;
break;
}
string str = Encoding.GetEncoding("GB2312").GetString(buffer, 0, r);
CurrentSocket = socketSend; //将活动连接设为当前接收到消息的连接
if (this.WaitReceive) //判断是否在等待接收消息的状态,在则发送线程同步set,不在则忽略
{
this.WaitReceive = false;
this.MyReceiveMsg = str;
this.MyReceiveBuffer = buffer.Take(r).ToArray();
ReceiveStr.Set();
}
else
{
this.MyReceiveMsg = "";
this.MyReceiveBuffer = new byte[0];
}
}
catch (Exception ex)//表示客户端非正常断开连接
{
if (dicSocket.ContainsKey(socketSend.RemoteEndPoint.ToString()))
{ dicSocket.Remove(socketSend.RemoteEndPoint.ToString()); }
this.ClientCount = dicSocket.Count;
if (CurrentSocket.RemoteEndPoint.ToString().Equals(socketSend.RemoteEndPoint.ToString()))//如果当前活动soket是断开的soket,则将活动soket重新赋值
{
if (dicSocket.Count > 0) //还有客户端连接
{
CurrentSocket = dicSocket.First().Value;
}
}
//if (this.WaitReceive) //判断是否在等待接收消息的状态,在则发送线程同步set,不在则忽略
//{
// this.WaitReceive = false;
// this.MyReceiveMsg = "";
// ReceiveStr.Set();
//}
}
}
}