public int Send(string IP_addr, int port, byte[] bytes, int length)//发送数据到客户端
{
IP_Port ip_port = new IP_Port(IP_addr, port);
int index = clientArray.IndexOf(ip_port);//查找对应的客户端
if (index == -1) return -1;
Client client = (Client)clientArray[index];
client.tcp_client.Client.Send(bytes, length, SocketFlags.None);//发送数据
return length;
}
public ArrayList GetClientList()//获取客户端列表
{
ArrayList client_list = new ArrayList();
IP_Port ip_port;
if (clientArray.Count <= 0)
return null;
for (int i = 0; i < clientArray.Count; i++)
{
ip_port = new IP_Port(((Client)clientArray[i]).IP_addr, ((Client)clientArray[i]).Port);
client_list.Add(ip_port);
}
return client_list;
}
private void AcceptMsg(object arg)//单个线程，循环读取数据
{
TcpClient client = (TcpClient)arg;
NetworkStream ns = client.GetStream();
int port;
string IP_addr;
port = (client.Client.RemoteEndPoint as IPEndPoint).Port;//获取连接的端口号 explain by LC 2014.07.22 16:54
IP_addr = (client.Client.RemoteEndPoint as IPEndPoint).Address.ToString();//获取连接的IP号 explain by LC 2014.07.22 16:55
while (bListening)
{
try
{
/*不能直接使用client.Connected 或 client.Client.Connected判断连接状态,先使用client.Client.Poll*/
if (((client.Client.Poll(1000, SelectMode.SelectRead) && (client.Client.Available == 0)) || !client.Client.Connected))
throw new ApplicationException("与客户端连接断开");
byte[] bytes = new byte[1024];
int bytesread = ns.Read(bytes, 0, bytes.Length);//读取数据
if (bytesread == 0)
{
continue;
}
OnRecieve(IP_addr, port, bytes, bytesread);
// msg = IP_addr + ":" + port + ":" + Encoding.Default.GetString(bytes, 0, bytesread);
ns.Flush();
// client.Client.Send(bytes);//发送数据到客户端 explain by LC 2014.07.23 8:53
}
catch (Exception re)
{
// MessageBox.Show("与客户端断开连接了");
// re = new Exception("与客户端断开连接了");
OnException(IP_addr, port, re);
IP_Port ip_port = new IP_Port(IP_addr, port);
clientArray.Remove(ip_port);//移除对应的IP和端口号
break;
}
}
Thread.CurrentThread.Abort();//释放当前运行的线程
}