//接收数据
private void OnRecievedData(IAsyncResult ar)
{
UdpClient udpclient = (System.Net.Sockets.UdpClient)ar.AsyncState;
IPEndPoint ipendpoint = null;
try
{
byte[] receiveBytes = udpclient.EndReceive(ar, ref ipendpoint);
udpclient.BeginReceive(new AsyncCallback(OnRecievedData), udpclient);
if (this.OnReceivedData != null)
{
this.OnReceivedData(this, new ReceivedDataEventArgs(ipendpoint, receiveBytes));
}
}
catch (Exception ex)
{
IsOpen = false;
try
{
UdpBussiness.DelSocket(this, ipendpoint);
UdpBussiness.UdpDisconnected(this, ipendpoint);
UDPClient.Client.Dispose();
Start();
}
catch (Exception e)
{ Service.ServiceControl.log.Error(DateTime.Now + e.ToString()); }
}
}
/// <summary>
/// 从列表删除Udp对象
/// </summary>
/// <param name="US">udp服务</param>
/// <param name="Second">秒</param>
public static void DelClosSocket(UdpServer US, int Second)
{
string ServiceID = US.ServiceID;
List <UdpSocket> Us = US.Us;
var temp = from u in Us where u.CONNECTTIME != null select u;
ArrayList al = new ArrayList();
foreach (var item in temp)
{
DateTime dt1 = item.DATATIME.Value.AddSeconds(Second);
DateTime dt2 = DateTime.Now;
if (DateTime.Compare(dt1, dt2) < 0)
{
al.Add(item);
}
}
foreach (UdpSocket item in al)
{
UdpBussiness.UdpDisconnected(US, item.IpEndPoint);
item.IpEndPoint = null;
item.CONNECTTIME = null;
item.DATATIME = null;
}
al = null;
}
//管理socket的一系列操作
void SocketManager(object sender)
{
try
{
UdpBussiness.DelClosSocket(udp, 60);
}
catch (Exception ex)
{ Service.ServiceControl.log.Error(DateTime.Now + ex.ToString()); }
}
//管理socket的一系列操作
void SocketManager(object sender)
{
try
{
UdpBussiness.DelClosSocket(udp, 60);
}
catch (Exception ex)
{ }
}
//回复数据的方法
void SendData(object sender)
{
try
{
//UdpBussiness.SendData(udp);
UdpBussiness.SendCommand(udp);
}
catch (Exception ex)
{
}
}
//回复数据的方法
void SendData()
{
while (true)
{
try
{
UdpBussiness.SendCommand(udp);
}
catch (Exception ex)
{
Service.ServiceControl.log.Error(DateTime.Now + ex.ToString());
}
Thread.Sleep(500);
}
}
public void Start()
{
Us_Init();
if (!IsOpen)
{
//(new Service.ServiceControl()).ToQxsd(Service.ServiceEnum.NFOINDEX.UDP);
UDPClient = new UdpClient(new IPEndPoint(IPAddress.Parse(IP), PORT));
UDPClient.BeginReceive(new AsyncCallback(OnRecievedData), UDPClient);
#region 改代码段设置解决了UDP通讯的10054异常
uint IOC_IN = 0x80000000;
uint IOC_VENDOR = 0x18000000;
uint SIO_UDP_CONNRESET = IOC_IN | IOC_VENDOR | 12;
UDPClient.Client.IOControl((int)SIO_UDP_CONNRESET, new byte[] { Convert.ToByte(false) }, null);
#endregion
IsOpen = true;
UdpBussiness.ToQusd();
}
}
/// <summary>
/// 从列表删除Udp对象
/// </summary>
/// <param name="US">udp服务</param>
/// <param name="Minute">分钟</param>
public static void DelClosSocket(UdpServer US, int Minute)
{
string ServiceID = US.ServiceID;
List <UdpSocket> Us = US.Us;
lock (Us)
{
ArrayList al = new ArrayList();
foreach (UdpSocket item in Us)
{
if (item.DATATIME.ToString("yyyy-MM-dd HH:mm:ss") != "0001-01-01 00:00:00")
{
DateTime dt1 = item.DATATIME.AddSeconds(Minute);
DateTime dt2 = DateTime.Now;
if (DateTime.Compare(dt1, dt2) < 0)
{
al.Add(item);
}
}
else
{
DateTime dt1 = item.CONNECTTIME.AddSeconds(Minute);
DateTime dt2 = DateTime.Now;
if (DateTime.Compare(dt1, dt2) < 0)
{
al.Add(item);
}
}
}
foreach (UdpSocket item in al)
{
UdpBussiness.UdpDisconnected(US, item.IpEndPoint);
Us.Remove(item);
}
al = null;
}
}