public void UpdateNewRecord(SystemFound systemData)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new UpdateNewRecordDelegate(this.UpdateNewRecord), new object[] { systemData });
return;
}
if (this.targetStringList.Contains(systemData.IpAddress) == true)
{
LogCons.Inst.Write(LogLevel.Debug, $"ArpScan.UpdateTextBox(): {systemData.MacAddress}/{systemData.IpAddress} already exists");
return;
}
try
{
// Determine vendor
string vendor = this.macVendorHandler.GetVendorByMac(systemData.MacAddress);
if (systemData.IpAddress != this.gatewayIp &&
systemData.IpAddress != this.localIp)
{
this.targetStringList.Add(systemData.IpAddress);
this.TargetList.Add(new TargetRecord(systemData.IpAddress, systemData.MacAddress, vendor));
LogCons.Inst.Write(LogLevel.Info, $"UpdateNewRecord(): Found new target system {systemData.MacAddress}/{systemData.IpAddress}");
}
}
catch (Exception ex)
{
LogCons.Inst.Write(LogLevel.Error, ex.StackTrace);
}
}
private SystemFound ParseSystemDataFromXml(string data)
{
// Extract newly detected system
XDocument xmlContent = XDocument.Parse(data);
var packetEntries = from service in xmlContent.Descendants("arp")
select new
{
Type = service.Element("type").Value,
IpAddress = service.Element("ip").Value,
MacAddress = service.Element("mac").Value
};
if (packetEntries == null)
{
throw new Exception("Could not parse data from XML structure.");
}
else if (packetEntries.Count() <= 0)
{
throw new Exception("Could not create an object from the XML structure");
}
else if (packetEntries.Count() > 1)
{
throw new Exception("More than one object was generated from the XML structure");
}
var tmpType = packetEntries.First();
var newSystem = new SystemFound(tmpType.MacAddress, tmpType.IpAddress, tmpType.Type.ToLower().Trim());
return(newSystem);
}
public void NotifyArpResponseNewRecord(SystemFound newSystem)
{
foreach (var observer in this.observersArpResponse)
{
observer.UpdateNewRecord(newSystem);
}
}
public void UpdateNewRecord(SystemFound systemData)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new UpdateNewRecordDelegate(this.UpdateNewRecord), new object[] { systemData });
return;
}
if (systemData.Type != "reply")
{
return;
}
lock (this.targetStringList)
{
// Add new record line if system does not exist
if (this.targetStringList.Where(elem => elem.IpAddress == systemData.IpAddress).ToList().Count <= 0)
{
try
{
// Determine vendor
string vendor = this.macVendorHandler.GetVendorByMac(systemData.MacAddress);
if (systemData.IpAddress != this.minaryObj.MinaryTaskFacade.CurrentMinaryConfig.GatewayIp &&
systemData.IpAddress != this.minaryObj.MinaryTaskFacade.CurrentMinaryConfig.LocalIp)
{
this.targetStringList.Add(new SystemFoundSimple(systemData.MacAddress, systemData.IpAddress));
LogCons.Inst.Write(LogLevel.Info, $"GuiSimpleUserControl/UpdateNewRecord(): Found new target system {systemData.MacAddress}/{systemData.IpAddress}");
}
}
catch (Exception ex)
{
LogCons.Inst.Write(LogLevel.Error, ex.StackTrace);
}
}
else
{
LogCons.Inst.Write(LogLevel.Info, $"GuiSimpleUserControl/UpdateNewRecord(): Redetected target system {systemData.MacAddress}/{systemData.IpAddress}");
}
// Update "last seen" timestamp
var rec = this.targetStringList.Where(elem => elem.MacAddress == systemData.MacAddress).FirstOrDefault();
if (rec != null)
{
var now = DateTime.Now;
TimeSpan span = now.Subtract(rec.LastSeen);
rec.LastSeen = now;
try
{
rec.LastSeenSpan = span.ToString(@"hh\:mm\:ss");
}
catch (Exception ex)
{
var la = ex.Message;
}
}
}
}
public void AddNewRecord_Success()
{
var guiSimple = this.GenerateGuiSimple();
var newRecord = new SystemFound("00-11-22-33-44-55", "192.168.1.2");
guiSimple.UpdateNewRecord(newRecord);
guiSimple.RemoveOutdatedRecords();
Assert.IsTrue(guiSimple.TargetStringList.Count == 1);
}
public void RemoveOutdatedRecord2_Success()
{
var guiSimple = this.GenerateGuiSimple();
var newRecord = new SystemFound("00-11-22-33-44-55", "192.168.1.2");
guiSimple.UpdateNewRecord(newRecord);
Assert.IsTrue(guiSimple.TargetStringList.Count == 1);
guiSimple.TargetStringList[0].LastSeen = DateTime.Now.AddSeconds(-178);
guiSimple.RemoveOutdatedRecords();
Assert.IsTrue(guiSimple.TargetStringList.Count == 1);
}
public void RemoveOutdatedRecord1_Success()
{
var simpleGui = this.GenerateSimpleGui();
var newRecord = new SystemFound("00-11-22-33-44-55", "192.168.1.2");
simpleGui.UpdateNewRecord(newRecord);
Assert.IsTrue(simpleGui.TargetStringList.Count == 1);
simpleGui.TargetStringList[0].LastSeen = DateTime.Now.AddSeconds(-182);
simpleGui.RemoveOutdatedRecords();
Assert.IsTrue(simpleGui.TargetStringList.Count == 0);
}
public void UpdateNewRecord(SystemFound systemData)
{
if (this.InvokeRequired)
{
this.BeginInvoke(new UpdateNewRecordDelegate(this.UpdateNewRecord), new object[] { systemData });
return;
}
lock (this.targetStringList)
{
// Add new record line if system does not exist
if (this.targetStringList.Where(elem => elem.IpAddress == systemData.IpAddress).ToList().Count <= 0)
{
try
{
// Determine vendor
string vendor = this.macVendorHandler.GetVendorByMac(systemData.MacAddress);
if (systemData.IpAddress != this.arpScanConfig.GatewayIp &&
systemData.IpAddress != this.arpScanConfig.LocalIp)
{
this.targetStringList.Add(new SystemFoundSimple(systemData.MacAddress, systemData.IpAddress));
LogCons.Inst.Write(LogLevel.Info, $"SimpleGuiUserControl/UpdateNewRecord(): Found new target system {systemData.MacAddress}/{systemData.IpAddress}");
}
}
catch (Exception ex)
{
LogCons.Inst.Write(LogLevel.Error, ex.StackTrace);
}
}
else
{
LogCons.Inst.Write(LogLevel.Info, $"SimpleGuiUserControl/UpdateNewRecord(): Redetected target system {systemData.MacAddress}/{systemData.IpAddress}");
}
// Update "last seen" timestamp
var rec = this.targetStringList.Where(elem => elem.MacAddress == systemData.MacAddress).FirstOrDefault();
if (rec != null)
{
rec.LastSeen = DateTime.Now;
}
}
}
private void PacketHandler(Packet packet)
{
if (packet == null ||
packet.Length <= 0 ||
packet.IsValid == false)
{
return;
}
if (packet.Ethernet.EtherType != EthernetType.Arp ||
packet.Ethernet.Arp.Operation != ArpOperation.Reply)
{
return;
}
var senderMac = string.Join("-", this.ByteToHexString(packet.Ethernet.Arp.SenderHardwareAddress.ToArray()));
var senderIp = new System.Net.IPAddress(packet.Ethernet.Arp.SenderProtocolAddress.ToArray()).ToString();
SystemFound newRecord = new SystemFound(senderMac, senderIp);
this.NotifyNewRecord(newRecord);
}
public void NotifyNewRecord(SystemFound systemData)
{
this.observers.ForEach(elem => elem.UpdateNewRecord(systemData));
}
protected void TriggerSystemFound(GameConsole system)
{
SystemFound?.Invoke(system);
}
