private static void ProcessEvent(int socket, Interop.Sys.NetworkChangeKind kind)
{
if (kind != Interop.Sys.NetworkChangeKind.None)
{
lock (s_gate)
{
if (socket == s_socket)
{
OnSocketEvent(kind);
}
}
}
}
private static void OnSocketEvent(Interop.Sys.NetworkChangeKind kind)
{
switch (kind)
{
case Interop.Sys.NetworkChangeKind.AddressAdded:
case Interop.Sys.NetworkChangeKind.AddressRemoved:
NetworkAddressChangedEventHandler handler = s_addressChangedSubscribers;
if (handler != null)
{
handler(null, EventArgs.Empty);
}
break;
}
}
private static void LoopReadSocket(int socket)
{
while (socket == s_socket)
{
Interop.Sys.NetworkChangeKind kind = Interop.Sys.ReadSingleEvent(socket);
if (kind == Interop.Sys.NetworkChangeKind.None)
{
continue;
}
else
{
lock (s_lockObj)
{
if (socket == s_socket)
{
OnSocketEvent(kind);
}
}
}
}
}
private static void OnSocketEvent(Interop.Sys.NetworkChangeKind kind)
{
switch (kind)
{
case Interop.Sys.NetworkChangeKind.AddressAdded:
case Interop.Sys.NetworkChangeKind.AddressRemoved:
s_addressChangedSubscribers?.Invoke(null, EventArgs.Empty);
break;
case Interop.Sys.NetworkChangeKind.AvailabilityChanged:
lock (s_availabilityLock)
{
if (!s_availabilityHasChanged)
{
s_availabilityTimer.Change(AvailabilityTimerWindowMilliseconds, -1);
}
s_availabilityHasChanged = true;
}
break;
}
}
private static void OnSocketEvent(Interop.Sys.NetworkChangeKind kind)
{
switch (kind)
{
case Interop.Sys.NetworkChangeKind.AddressAdded:
case Interop.Sys.NetworkChangeKind.AddressRemoved:
OnAddressChanged();
break;
case Interop.Sys.NetworkChangeKind.AvailabilityChanged:
lock (s_gate)
{
if (s_availabilityTimer != null)
{
if (!s_availabilityHasChanged)
{
s_availabilityTimer.Change(AvailabilityTimerWindowMilliseconds, -1);
}
s_availabilityHasChanged = true;
}
}
break;
}
}
