public void DiscoveryCallback(IAsyncResult ar)
{
UdpClient u = (UdpClient)((ShepherdUdpState)(ar.AsyncState)).client;
IPEndPoint ip = (IPEndPoint)((ShepherdUdpState)(ar.AsyncState)).ip;
XMLStream inputXMLStream = new XMLStream();
//IPEndPoint ip= new IPEndPoint();
XElement xmlDescription;
string herdAgentXMLDescription;
try
{
Byte[] receiveBytes = u.EndReceive(ar, ref ip);
//if (!IsLocalIpAddress(ip.Address.ToString()))
{
herdAgentXMLDescription = Encoding.ASCII.GetString(receiveBytes);
xmlDescription = XElement.Parse(herdAgentXMLDescription);
HerdAgentInfo herdAgentInfo = new HerdAgentInfo();
herdAgentInfo.parse(xmlDescription);
//we copy the ip address into the properties
herdAgentInfo.ipAddress = ip;
//we update the ack time
DateTime now = DateTime.Now;
herdAgentInfo.lastACK = now;
lock (m_listLock)
{
if (!m_herdAgentList.ContainsKey(ip))
{
m_herdAgentList.Add(ip, herdAgentInfo);
}
else
{
m_herdAgentList[ip] = herdAgentInfo;
}
}
//check how much time ago the agent list was updated
double lastUpdateElapsedTime = (now - m_lastHerdAgentListUpdate).TotalSeconds;
//notify, if we have to, that the agent list has probably changed
if (lastUpdateElapsedTime > m_herdAgentListUpdateTime)
{
m_lastHerdAgentListUpdate = now;
if (m_notifyAgentListChanged != null)
{
m_notifyAgentListChanged();
}
}
}
u.BeginReceive(new AsyncCallback(DiscoveryCallback), ar.AsyncState);
}
catch (TaskCanceledException ex)
{
logMessage("Task canceled exception in Shepherd");
logMessage(ex.ToString());
}
catch (Exception ex)
{
logMessage("Exception in discovery callback function");
logMessage(ex.StackTrace);
}
}
public void DiscoveryCallback(IAsyncResult ar)
{
UdpClient u = (UdpClient)((ShepherdUdpState)(ar.AsyncState)).client;
IPEndPoint ip = (IPEndPoint)((ShepherdUdpState)(ar.AsyncState)).ip;
XMLStream inputXMLStream = new XMLStream();
//IPEndPoint ip= new IPEndPoint();
XElement xmlDescription;
string herdAgentXMLDescription;
try
{
Byte[] receiveBytes = u.EndReceive(ar, ref ip);
//if (!IsLocalIpAddress(ip.Address.ToString()))
{
herdAgentXMLDescription = Encoding.ASCII.GetString(receiveBytes);
xmlDescription = XElement.Parse(herdAgentXMLDescription);
HerdAgentInfo herdAgentInfo = new HerdAgentInfo();
herdAgentInfo.parse(xmlDescription);
//we copy the ip address into the properties
herdAgentInfo.ipAddress = ip;
//we update the ack time
DateTime now = DateTime.Now;
herdAgentInfo.lastACK = now;
lock (m_listLock)
{
if (!m_herdAgentList.ContainsKey(ip))
m_herdAgentList.Add(ip, herdAgentInfo);
else
m_herdAgentList[ip] = herdAgentInfo;
}
//check how much time ago the agent list was updated
double lastUpdateElapsedTime = (now - m_lastHerdAgentListUpdate).TotalSeconds;
//notify, if we have to, that the agent list has probably changed
if (lastUpdateElapsedTime > m_herdAgentListUpdateTime)
{
m_lastHerdAgentListUpdate = now;
if (m_notifyAgentListChanged != null)
m_notifyAgentListChanged();
}
}
u.BeginReceive(new AsyncCallback(DiscoveryCallback), ar.AsyncState);
}
catch(TaskCanceledException ex)
{
logMessage("Task canceled exception in Shepherd");
logMessage(ex.ToString());
}
catch (Exception ex)
{
logMessage("Exception in discovery callback function");
logMessage(ex.StackTrace);
}
}
public HerdAgentViewModel(HerdAgentInfo info)
{
m_herdAgentInfo = info;
}
