/// <summary>
/// Initialize
/// </summary>
private void InitializeComponent()
{
run = new WinLLDP(OsInfo.GetStaticInfo());
ServiceName = MyServiceName;
CanStop = true;
EventLog.Source = ServiceName;
EventLog.Log = "Application";
if (!EventLog.SourceExists(EventLog.Source))
{
// Create Windows Event Log source if it doesn't exist
EventLog.CreateEventSource(EventLog.Source, this.EventLog.Log);
}
ReduceMemory();
// Run the LLDP packet sender every 30 seconds
timer = new Timer(TimeSpan.FromSeconds(30).TotalMilliseconds)
{
AutoReset = true
};
timer.Elapsed += SendPacket;
}
public bool Run()
{
Debug.IndentLevel = 0;
List <NetworkInterface> adapters = new List <NetworkInterface>();
// Get list of connected adapters
Debug.WriteLine("Getting connected adapter list", EventLogEntryType.Information);
adapters = NetworkInterface.GetAllNetworkInterfaces()
.Where(
x =>
x.NetworkInterfaceType != NetworkInterfaceType.Loopback
&&
x.OperationalStatus == OperationalStatus.Up
)
.ToList();
if (0 == adapters.Count)
{
Debug.WriteLine("No adapters found.", EventLogEntryType.Information);
// No available adapters
return(true);
}
// Open network devices for sending raw packets
OpenDevices(adapters);
// Get list of users
List <UserInfo> users = OsInfo.GetUsers();
if (users.Count == 0)
{
Debug.WriteLine("No users found.", EventLogEntryType.Error);
}
users.Sort();
// Get information which doesn't change often or doesn't need to be 100% accurate in realtime when iterating through adapters
PacketInfo pinfo = new PacketInfo()
{
OperatingSystem = StaticInformation.OperatingSystemFriendlyName,
OperatingSystemVersion = StaticInformation.OperatingSystemVersion,
Tag = StaticInformation.ServiceTag,
Uptime = OsInfo.GetUptime(),
MachineName = StaticInformation.MachineName,
};
bool first = true;
string olddomain = "";
string userlist = "";
foreach (UserInfo ui in users)
{
string domain = ui.Domain;
if (domain != olddomain)
{
first = true;
}
if (first)
{
userlist += domain + ": ";
olddomain = domain;
first = false;
}
userlist += ui.Username + ", ";
}
pinfo.Username = userlist.Trim().TrimEnd(',');
foreach (NetworkInterface adapter in adapters)
{
Debug.WriteLine(String.Format("Adapter {0}:", adapter.Name), EventLogEntryType.Information);
try
{
Debug.WriteLine("Generating packet", EventLogEntryType.Information);
Packet packet = CreateLLDPPacket(adapter, pinfo);
Debug.IndentLevel = 0;
Debug.WriteLine("Sending packet", EventLogEntryType.Information);
SendRawPacket(adapter, packet);
Debug.IndentLevel = 0;
}
catch (Exception e)
{
Debug.WriteLine(String.Format("Error sending packet:{0}{1}", Environment.NewLine, e.ToString()), EventLogEntryType.Error);
}
Debug.WriteLine("", EventLogEntryType.Information);
Debug.WriteLine(new String('-', 40), EventLogEntryType.Information);
Debug.IndentLevel = 0;
}
return(true);
}