C#套接字并向所有客户端发送数据
好的,我一般不太擅长编程,但我想尝试一下使用套接字。首先,我观看了一段Youtube视频,然后一步一步地观看,我让成品100%地运行到指南中,但我希望对其进行修改,以便服务器能够向所有连接的客户端发送消息 以下是youtube视频: 这是服务器类的代码:C#套接字并向所有客户端发送数据,c#,sockets,C#,Sockets,好的,我一般不太擅长编程,但我想尝试一下使用套接字。首先,我观看了一段Youtube视频,然后一步一步地观看,我让成品100%地运行到指南中,但我希望对其进行修改,以便服务器能够向所有连接的客户端发送消息 以下是youtube视频: 这是服务器类的代码: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
namespace Server
{
class Program
{
private static byte[] buffer = new byte[1024];
public static Socket _serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
public static List<Socket> clientSockets = new List<Socket>();
static void Main(string[] args)
{
Console.Title = "Server, " + clientSockets.Count.ToString() + " clients are connected";
SetupServer();
Console.ReadLine();
}
public static void SetupServer()
{
Console.WriteLine("Setting up server...");
_serverSocket.Bind(new IPEndPoint(IPAddress.Any, 100));
_serverSocket.Listen(5);
_serverSocket.BeginAccept(new AsyncCallback(AcceptCallback), null);
}
public static void AcceptCallback(IAsyncResult AR)
{
Socket socket = _serverSocket.EndAccept(AR);
clientSockets.Add(socket);
Console.WriteLine("Client Connected");
Console.Title = "Server, " + clientSockets.Count.ToString() + " clients are connected";
socket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(RecieveCallBack), socket);
_serverSocket.BeginAccept(new AsyncCallback(AcceptCallback), null);
}
private static void RecieveCallBack(IAsyncResult AR)
{
Socket socket = (Socket)AR.AsyncState;
int received = socket.EndReceive(AR);
byte[] databuff = new byte[received];
Array.Copy(buffer, databuff, received);
string s = Encoding.ASCII.GetString(databuff);
Console.WriteLine("Text Received: " + s);
string response = string.Empty;
if (s.ToLower() == "get time")
{
response = DateTime.Now.ToLongTimeString();
}
else
{
response = "Invalid Request";
}
byte[] data = Encoding.ASCII.GetBytes(response);
socket.BeginSend(data, 0, data.Length, SocketFlags.None, new AsyncCallback(sendCallback), socket);
socket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(RecieveCallBack), socket);
}
private static void sendCallback(IAsyncResult AR)
{
Socket socket = (Socket)AR.AsyncState;
socket.EndSend(AR);
}
}
}
我真的没料到会有太多工作,但我试了一下
另一个次要问题:
这是确定服务器将侦听的IP和端口的代码行吗
_serverSocket.Bind(new IPEndPoint(IPAddress.Any, 100));
使用相同的代码,有相同的问题 它无法工作,因为客户端控制台卡在
readLine()
中,因此无法接收响应。发送命令后,不要再次调用控制台.ReadLine
要通过所有客户端循环并发送消息:
private static void sentToAll(string s)
{
foreach (Socket socket in clientSockets)
{
byte[] data = Encoding.ASCII.GetBytes(s);
socket.Send(data);
}
}
UDP可能更适合您所寻找的行为类型。根据我的经验,TCP多播仍然有点笨拙。LeftTechle(制作视频的人)是我的一个朋友,我给他发了这个问题的链接。他可能想帮助你:)M.BabcCK谢谢你的建议,我一定会考虑它,一旦我实际上得到它工作XD。@ ByteBlast非常感谢,如果他可以看看它,我真的很感激:解决它,解决。只是张贴一个代码剪辑通常是不接受的。你能用一句话详细说明一下吗?
private static IPEndPoint localEndPoint;
public static String IpAddress = "10.0.0.13";
public static int port = 3000;
localEndPoint = new IPEndPoint(IPAddress.Parse(IpAddress), port);
_serverSocket.Bind(localEndPoint);
private static void sentToAll(string s)
{
foreach (Socket socket in clientSockets)
{
byte[] data = Encoding.ASCII.GetBytes(s);
socket.Send(data);
}
}