private void Open()
{
System.Net.Sockets.UdpClient multicastListener = null;
if (!m_exclusive_port)
{
/* We need a shared multicast "listen" port. This is the 0xBAC0 port */
/* This will enable us to have more than 1 client, on the same machine. Perhaps it's not that important though. */
/* We (might) only receive the multicast on this. Any unicasts to this might be eaten by another local client */
if (m_shared_conn == null)
{
m_shared_conn = new Net.Sockets.UdpClient(System.Net.Sockets.AddressFamily.InterNetworkV6);
m_shared_conn.ExclusiveAddressUse = false;
m_shared_conn.Client.SetSocketOption(Net.Sockets.SocketOptionLevel.Socket, Net.Sockets.SocketOptionName.ReuseAddress, true);
System.Net.EndPoint ep = new System.Net.IPEndPoint(System.Net.IPAddress.IPv6Any, m_port);
if (!string.IsNullOrEmpty(m_local_endpoint))
{
ep = new System.Net.IPEndPoint(Net.IPAddress.Parse(m_local_endpoint), m_port);
}
m_shared_conn.Client.Bind(ep);
multicastListener = m_shared_conn;
}
/* This is our own exclusive port. We'll recieve everything sent to this. */
/* So this is how we'll present our selves to the world */
if (m_exclusive_conn == null)
{
System.Net.EndPoint ep = new Net.IPEndPoint(System.Net.IPAddress.IPv6Any, 0);
if (!string.IsNullOrEmpty(m_local_endpoint))
{
ep = new Net.IPEndPoint(Net.IPAddress.Parse(m_local_endpoint), 0);
}
m_exclusive_conn = new Net.Sockets.UdpClient((Net.IPEndPoint)ep);
}
}
else
{
System.Net.EndPoint ep = new Net.IPEndPoint(System.Net.IPAddress.IPv6Any, m_port);
if (!string.IsNullOrEmpty(m_local_endpoint))
{
ep = new Net.IPEndPoint(Net.IPAddress.Parse(m_local_endpoint), m_port);
}
m_exclusive_conn = new Net.Sockets.UdpClient(System.Net.Sockets.AddressFamily.InterNetworkV6);
m_exclusive_conn.ExclusiveAddressUse = true;
m_exclusive_conn.Client.Bind((Net.IPEndPoint)ep);
multicastListener = m_exclusive_conn;
}
multicastListener.JoinMulticastGroup(IPAddress.Parse("[FF02::BAC0]"));
multicastListener.JoinMulticastGroup(IPAddress.Parse("[FF04::BAC0]"));
multicastListener.JoinMulticastGroup(IPAddress.Parse("[FF05::BAC0]"));
multicastListener.JoinMulticastGroup(IPAddress.Parse("[FF08::BAC0]"));
multicastListener.JoinMulticastGroup(IPAddress.Parse("[FF0E::BAC0]"));
// If this option is enabled Yabe cannot see itself !
// multicastListener.MulticastLoopback = false;
bvlc = new BVLCV6(this, m_VMac);
}
/// <summary>
/// 运行程序
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void button1_Click(object sender, RoutedEventArgs e)
{
if (button1.Content.ToString() == "停止运行")
{
foreach (var item in states)
{
//释放内存
((Timer)item.UserToKen).Dispose();
if (!item.CurrentProcess.HasExited)
{
item.CurrentProcess.Kill();
}
}
try
{
//移除组播
udp.DropMulticastGroup(System.Diagnostics.UDPGroup.group.ep.Address);
udp.Close();
states.Clear();
task.Dispose();
}
catch (Exception ex)
{
}
button1.Content = "开始运行";
}
else
{
//当前已经采集的索引
if (System.IO.File.Exists(ProgressFileName))
{
List <string> arr = System.IO.File.ReadLines(ProgressFileName).ToList();
foreach (var item in Strs)
{
//得到当前项的状态如果包含则将当前项设置为 true 表示已经处理过了
if (arr.Contains(item.Key))
{
item.Value.IsCollectioned = true;
}
}
}
//初始化采集进程
System.Linq.Enumerable.Range(0, MaxPorcess).ToList().ForEach((p) =>
{
System.Threading.Thread.Sleep(40);
AddStates();
});
//开始监听
task = System.Threading.Tasks.Task.Factory.StartNew(() =>
{
udp = new System.Net.Sockets.UdpClient(System.Diagnostics.UDPGroup.group.ep.Port);
udp.JoinMulticastGroup(System.Diagnostics.UDPGroup.group.ep.Address);
udp.BeginReceive(AsyncCallback, udp);
});
button1.Content = "停止运行";
}
}
/// <summary>
/// listen to the group
/// </summary>
/// <param name="owner">"this" in most case</param>
/// <param name="dgGetMsg">handles message arriving</param>
public void StartListen(System.Windows.Forms.Control owner, Action <string, string> dgGetMsg)
{
Owner = owner;
DgGetMsg = dgGetMsg;
IsListening = true;
UdpClient = new System.Net.Sockets.UdpClient(UDPPort);
UdpClient.JoinMulticastGroup(GroupIP);
thUDPListener = new System.Threading.Thread(ListenHandler);
thUDPListener.Start();
}
public static System.Net.Sockets.UdpClient GetUdpSender(string ipAddressString, int port)
{
// TODO: Check
System.Net.IPAddress socketIPAddress = System.Net.IPAddress.Parse(ipAddressString);
int socketPort = port;
System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
udpClient.JoinMulticastGroup(socketIPAddress);
udpClient.Connect(new System.Net.IPEndPoint(socketIPAddress, socketPort));
return(udpClient);
}
public UdpClient(string multicastIp, int port, IJsonProvider json)
{
var ip = IPAddress.Parse(multicastIp);
_endPoint = new IPEndPoint(ip, port);
_udpClient = new System.Net.Sockets.UdpClient(port);
_udpClient.JoinMulticastGroup(ip);
_timer = new Timer(30 * 1000); // 30 seconds
_timer.AutoReset = true;
_timer.Elapsed += Broadcast;
_json = json;
}
public static System.Net.Sockets.UdpClient GetUdpReceiver(string ipAddressString, int port)
{
// TODO: Check
System.Net.IPAddress socketIPAddress = System.Net.IPAddress.Parse(ipAddressString);
int socketPort = port;
System.Net.Sockets.UdpClient udpClient = new System.Net.Sockets.UdpClient();
udpClient.Client.SetSocketOption(System.Net.Sockets.SocketOptionLevel.Socket, System.Net.Sockets.SocketOptionName.ReuseAddress, true);
udpClient.JoinMulticastGroup(socketIPAddress, System.Net.IPAddress.Any);
udpClient.Client.Bind(new System.Net.IPEndPoint(System.Net.IPAddress.Any, socketPort));
return(udpClient);
}
public Connection Connect()
{
try
{
System.Net.Sockets.UdpClient socket = new System.Net.Sockets.UdpClient(port);
System.Net.IPAddress groupAddress = System.Net.Dns.GetHostEntry(group).AddressList[0];
socket.JoinMulticastGroup((System.Net.IPAddress)groupAddress);
return(new MulticastConnection(socket, groupAddress));
}
catch (System.IO.IOException e)
{
throw new FastConnectionException(e);
}
}
public Connection Connect()
{
try
{
System.Net.Sockets.UdpClient socket = new System.Net.Sockets.UdpClient(port);
System.Net.IPAddress groupAddress = System.Net.Dns.GetHostEntry(group).AddressList[0];
socket.JoinMulticastGroup((System.Net.IPAddress) groupAddress);
return new MulticastConnection(socket, groupAddress);
}
catch (System.IO.IOException e)
{
throw new FastConnectionException(e);
}
}
private void StartListener(object oState)
{
try
{
oUDPClient = new System.Net.Sockets.UdpClient(Convert.ToInt32(CDLLReadSetting.ReadSetting("//configuration/appSettings/add[@key='MulticastPort']")));
oUDPClient.Client.ReceiveBufferSize = Convert.ToInt32(CDLLReadSetting.ReadSetting("//configuration/appSettings/add[@key='UDPBufferSize']"));
System.Net.IPEndPoint oRemoteIPEndPoint = new System.Net.IPEndPoint(
System.Net.IPAddress.Parse(CDLLReadSetting.ReadSetting("//configuration/appSettings/add[@key='MulticastIPAddress']")),
0);
oUDPClient.DontFragment = true;
oUDPClient.JoinMulticastGroup(System.Net.IPAddress.Parse(CDLLReadSetting.ReadSetting("//configuration/appSettings/add[@key='MulticastIPAddress']")));
while (true)
{
try
{
Byte[] arTemp = oUDPClient.Receive(ref oRemoteIPEndPoint);
System.IO.MemoryStream oMemoryStream = new System.IO.MemoryStream(arTemp.Length);
oMemoryStream.Write(arTemp, 0, arTemp.Length);
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter oBinary = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
oMemoryStream.Seek(0, System.IO.SeekOrigin.Begin);
ReportLog((Hashtable)oBinary.Deserialize(oMemoryStream));
}
catch (System.Threading.ThreadAbortException ex)
{
Console.Write(ex.Message);
//MessageBox.Show(ex.Message);
}
catch (Exception ex)
{
Console.Write(ex.Message);
//MessageBox.Show(ex.Message);
}
System.Windows.Forms.Application.DoEvents();
if (oUDPClient.Available == 0)
{
System.Threading.Thread.Sleep(1);
}
}
}
catch (System.Threading.ThreadAbortException ex)
{
Console.Write(ex.Message);
//MessageBox.Show(ex.Message);
}
catch (Exception ex)
{
Console.Write(ex.Message);
//MessageBox.Show(ex.Message);
}
}