我使用system.Net.Socket從服務器發送和接收消息時client.but多個服務器廣播消息,然後接收器程序被突然關閉現在面臨的問題。當有多個服務器廣播時,客戶端如何接收多個廣播消息?
廣播我的服務器的代碼如下..
using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
public class Broadcst
{
public static void Main()
{
Socket sock = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
IPEndPoint iep1 = new IPEndPoint(IPAddress.Broadcast, 9050);
IPEndPoint iep2 = new IPEndPoint(IPAddress.Parse("192.168.1.255"), 9050);
string hostname = Dns.GetHostName();
byte[] data = Encoding.ASCII.GetBytes(hostname);
sock.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, 1);
sock.SendTo(data, iep1);
sock.SendTo(data, iep2);
sock.Close();
}
}
我的收款人代碼是客戶端如下...
using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
public class RecvBroadcst
{
public static void Main()
{
Socket sock = new Socket(AddressFamily.InterNetwork,
SocketType.Dgram, ProtocolType.Udp);
While(true){
IPEndPoint iep = new IPEndPoint(IPAddress.Any, 9050);
sock.Bind(iep);
EndPoint ep = (EndPoint)iep;
Console.WriteLine("Ready to receive...");
byte[] data = new byte[1024];
int recv = sock.ReceiveFrom(data, ref ep);
string stringData = Encoding.ASCII.GetString(data, 0, recv);
Console.WriteLine("received: {0} from: {1}",
stringData, ep.ToString());
data = new byte[1024];
recv = sock.ReceiveFrom(data, ref ep);
stringData = Encoding.ASCII.GetString(data, 0, recv);
Console.WriteLine("received: {0} from: {1}",
stringData, ep.ToString());
}
sock.Close();
}
}
因此,如何能在客戶端接收一個以上的廣播有多個服務器廣播時的消息?
當我從服務器再次發送消息等其投擲的錯誤「的每個套接字地址(協議/網絡地址/端口)只有一個的使用通常被許可」
你的接收器程序只要它已經收到一個消息,「突然退出」,因爲這是你寫的方式。如果您希望它收到多條消息,請相應地調整代碼。這裏有什麼問題? – EJP
我已經把這些代碼中,而真正但是從服務器發送一條消息時,其接近與應該有任何message.see我更新的問題 –
該計劃不僅是在「關閉」。它由於未處理的異常而失敗。解釋該例外情況非常重要。 – usr