public LANComputerModelView(LocalNetworkComputer computer)
{
Name = computer.Name;
Status = computer.Status.ToString();
IPAddress = computer.IPAddress;
Latency = computer.Latency == -1 ? "..." : (computer.Latency >= 1000 ? ">1000ms" : computer.Latency.ToString() + "ms");
ToolTip = string.Format(Application.Current.FindResource("ComputerToolTip").ToString(),
Environment.NewLine, Name, IPAddress, Latency);
}
public void Resolve(LocalNetworkComputer computer)
{
string name = computer.Name;
string status = computer.Status.ToString();
string ipAddress = computer.IPAddress;
string latency = computer.Latency == -1 ? "..." : (computer.Latency >= 1000 ? ">1000ms" : computer.Latency.ToString() + "ms");
string toolTip = string.Format(Application.Current.FindResource("ComputerToolTip").ToString(),
Environment.NewLine, Name, IPAddress, Latency);
if (Name != name)
{
Name = name;
Notify(() => Name);
}
if (Status != status)
{
Status = status;
Notify(() => Status);
}
if (IPAddress != ipAddress)
{
IPAddress = ipAddress;
Notify(() => IPAddress);
}
if (Latency != latency)
{
Latency = latency;
Notify(() => Latency);
}
if (ToolTip != toolTip)
{
ToolTip = toolTip;
Notify(() => ToolTip);
}
}
private void Pinger_PingCompleted(object sender, PingCompletedEventArgs e)
{
LocalNetworkComputer computer = e.UserState as LocalNetworkComputer;
int result = -1;
int latency = -1;
if (e.Cancelled || e.Error != null)
{
result = 10;
latency = 1000;
}
else
{
result = (int)e.Reply.Status;
latency = result == 0 ? (int)e.Reply.RoundtripTime : 1000;
}
computer.Status = result;
computer.Latency = latency;
if (computer.IPAddress == string.Empty)
{
computer.IPAddress = e.Reply.Address.ToString();
}
}
public void ListLANComputers()
{
DirectoryEntry root = new DirectoryEntry("WinNT:");
foreach (DirectoryEntry computers in root.Children)
{
foreach (DirectoryEntry computer in computers.Children)
{
if (computer.Name != "Schema")
{
LocalNetworkComputer activeComputer = null;
foreach (LocalNetworkComputer item in computerList)
{
if (item.UID == computer.Path)
{
activeComputer = item;
break;
}
}
if (activeComputer == null)
{
activeComputer = new LocalNetworkComputer();;
computerList.Add(activeComputer);
}
activeComputer.Name = computer.Name;
activeComputer.UID = computer.Path;
activeComputer.Updated = true;
string ipAddress = string.Empty;
try
{
IPAddress ipv4 = null;
IPAddress ipv6 = null;
IPHostEntry ipHost = Dns.GetHostEntry(computer.Name);
foreach (IPAddress ip in ipHost.AddressList)
{
if (ip.AddressFamily == AddressFamily.InterNetwork)
{
ipv4 = ip;
}
else if (ip.AddressFamily == AddressFamily.InterNetworkV6)
{
ipv6 = ip;
}
}
if (ipv4 != null)
{
ipAddress = ipv4.ToString();
pinger.SendAsync(ipv4, 1000, activeComputer);
}
else if (ipv6 != null)
{
ipAddress = ipv6.ToString();
pinger.SendAsync(ipv6, 1000, activeComputer);
}
else
{
pinger.SendAsync(computer.Name, 1000, activeComputer);
}
}
catch
{
}
activeComputer.IPAddress = ipAddress;
}
}
}
computerList.RemoveAll(computer =>
{
if (computer.Updated)
{
computer.Updated = false;
return(false);
}
else
{
return(true);
}
});
root.Dispose();
}
