internal void OnServiceAdded(ServiceInfo service)
{
var announcement = new ServiceAnnouncement
{
Hostname = service.HostName.Labels[0],
Domain = service.HostName.SubName(1).ToString(),
Addresses = service.Addresses,
Instance = service.Name.Labels[0],
NetworkInterface = service.NetworkInterface,
Port = (ushort)service.Port,
Txt = service.Txt,
Type = service.Name.SubName(1, 2).ToString()
};
_serviceAnnouncements.Add(Tuple.Create(service.NetworkInterface.Id, service.Name), announcement);
SynchronizationContextPost(o =>
{
lock (_services)
{
_services.Add(announcement);
}
if (ServiceAdded != null)
{
ServiceAdded(this, new ServiceAnnouncementEventArgs(announcement));
}
});
}
internal void OnServiceRemoved(ServiceInfo service)
{
var key = Tuple.Create(service.NetworkInterface.Id, service.Name);
ServiceAnnouncement announcement = _serviceAnnouncements[key];
_serviceAnnouncements.Remove(key);
SynchronizationContextPost(o =>
{
announcement.IsRemoved = true;
lock (_services)
{
_services.Remove(announcement);
}
if (ServiceRemoved != null)
{
ServiceRemoved(this, new ServiceAnnouncementEventArgs(announcement));
}
});
}
internal void OnServiceChanged(ServiceInfo service)
{
ServiceAnnouncement announcement = _serviceAnnouncements[Tuple.Create(service.NetworkInterface.Id, service.Name)];
var tmpAnnouncement = new ServiceAnnouncement()
{
Hostname = service.HostName.Labels[0],
Domain = service.HostName.SubName(1).ToString(),
Addresses = service.Addresses,
Instance = service.Name.Labels[0],
NetworkInterface = service.NetworkInterface,
Port = (ushort)service.Port,
Txt = service.Txt,
Type = service.Name.SubName(1, 2).ToString()
};
SynchronizationContextPost(o =>
{
announcement.Hostname = tmpAnnouncement.Hostname;
announcement.Domain = tmpAnnouncement.Domain;
announcement.Addresses = tmpAnnouncement.Addresses;
announcement.Instance = tmpAnnouncement.Instance;
announcement.NetworkInterface = tmpAnnouncement.NetworkInterface;
announcement.Port = tmpAnnouncement.Port;
announcement.Txt = tmpAnnouncement.Txt;
announcement.Type = tmpAnnouncement.Type;
if (ServiceChanged != null)
{
ServiceChanged(this, new ServiceAnnouncementEventArgs(announcement));
}
});
}
private void AddServiceHostInfo(ServiceInfo service)
{
Name hostname = service.HostName;
HostInfo hostInfo;
_hostInfos.TryGetValue(hostname, out hostInfo);
if (hostInfo == null)
{
hostInfo = new HostInfo();
HostAddresses hostAddresses;
if (_packetHostAddresses.TryGetValue(hostname, out hostAddresses))
{
hostInfo.Addresses = hostAddresses.IPv4Addresses;
if (hostInfo.Addresses == null)
{
hostInfo.Addresses = hostAddresses.IPv6Addresses;
}
else if (hostAddresses.IPv6Addresses != null)
{
hostInfo.Addresses.AddRange(hostAddresses.IPv6Addresses);
}
}
_hostInfos.Add(hostname, hostInfo);
}
Debug.Assert(!hostInfo.ServiceInfos.Contains(service));
hostInfo.ServiceInfos.Add(service);
service.Addresses = hostInfo.Addresses;
}
private void ClearServiceHostInfo(ServiceInfo service)
{
Name hostname = service.HostName;
HostInfo hostInfo;
_hostInfos.TryGetValue(hostname, out hostInfo);
if (hostInfo != null)
{
hostInfo.ServiceInfos.Remove(service);
if (hostInfo.ServiceInfos.Count == 0)
{
_hostInfos.Remove(hostname);
}
service.HostName = null;
service.Addresses = null;
}
}
private ServiceInfo FindOrCreatePacketService(Name name)
{
ServiceInfo service;
bool found = _packetServiceInfos.TryGetValue(name, out service);
if (service == null)
{
if (found)
{
_packetServiceInfos.Remove(name);
}
service = new ServiceInfo(NetworkInterface, name);
_packetServiceInfos.Add(name, service);
}
return service;
}