public NetworkInterfaceHandler(ServiceBrowser serviceBrowser, NetworkInterface networkInterface)
{
ServiceBrowser = serviceBrowser;
NetworkInterface = networkInterface;
_index = NetworkInterface.Information.GetIPProperties().GetIPv4Properties().Index;
_queryTimer = new Timer(OnQueryTimerElapsed);
}
public NetworkInterfaceHandler(ServiceBrowser serviceBrowser, NetworkInterface networkInterface)
{
ServiceBrowser = serviceBrowser;
NetworkInterface = networkInterface;
_index = NetworkInterface.Information.GetIPProperties().GetIPv4Properties().Index;
_queryTimer = new Timer(OnQueryTimerElapsed);
}
private void RemoveService(Name name)
{
ServiceInfo service;
_serviceInfos.TryGetValue(name, out service);
if (service != null)
{
_serviceInfos.Remove(name);
_serviceHandlers[name.SubName(1)].ServiceInfos.Remove(service);
if (service.IsComplete)
{
ServiceBrowser.OnServiceRemoved(service);
}
if (service.HostName != null)
{
ClearServiceHostInfo(service);
}
}
}
public void Disable()
{
if (!_isEnabled)
{
return;
}
lock (this)
{
_isEnabled = false;
StopQuery();
foreach (var serviceHandlerKV in _serviceHandlers)
{
ServiceHandler serviceHandler = serviceHandlerKV.Value;
serviceHandler.ServiceInfos.Clear();
}
_socket.Dispose();
_socket = null;
foreach (var serviceKV in _serviceInfos)
{
ServiceInfo service = serviceKV.Value;
if (service.IsComplete)
{
ServiceBrowser.OnServiceRemoved(service);
}
}
_serviceInfos.Clear();
_hostInfos.Clear();
}
}
private void HandlePacketServiceInfos()
{
foreach (var serviceKV in _packetServiceInfos)
{
Name packetName = serviceKV.Key;
ServiceInfo packetService = serviceKV.Value;
if (packetService == null)
{
RemoveService(packetName);
}
else
{
bool modified = false;
bool wasComplete = false;
ServiceInfo service;
_serviceInfos.TryGetValue(packetName, out service);
if (service == null)
{
service = packetService;
_serviceInfos.Add(packetName, service);
_serviceHandlers[packetName.SubName(1)].ServiceInfos.Add(service);
if (service.HostName != null)
{
AddServiceHostInfo(service);
}
modified = true;
}
else
{
service.OpenQueryCount = 0;
wasComplete = service.IsComplete;
if (packetService.Port != -1 && service.Port != packetService.Port)
{
service.Port = packetService.Port;
modified = true;
}
if (packetService.Name.ToString() != service.Name.ToString())
{
service.Name = packetService.Name;
modified = true;
}
if (packetService.Txt != null && (service.Txt == null || !packetService.Txt.SequenceEqual(service.Txt)))
{
service.Txt = packetService.Txt;
modified = true;
}
if (packetService.HostName != null && (service.HostName == null || service.HostName.ToString() != packetService.HostName.ToString()))
{
if (service.HostName != null)
{
ClearServiceHostInfo(service);
}
service.HostName = packetService.HostName;
AddServiceHostInfo(service);
modified = true;
}
if (packetService.Addresses != null)
{
service.Addresses = packetService.Addresses;
modified = true;
}
}
if (modified)
{
if (wasComplete != service.IsComplete)
{
if (wasComplete)
{
ServiceBrowser.OnServiceRemoved(service);
}
else
{
ServiceBrowser.OnServiceAdded(service);
}
}
else if (service.IsComplete)
{
ServiceBrowser.OnServiceChanged(service);
}
}
}
}
}