private static void DispatchNativeEvent(ref NativeEvent nativeEvent)
{
switch (nativeEvent.EventType)
{
// Session
case NativeMethods.Events.EventType.SessionStarted:
_session.OnStarted();
break;
case NativeMethods.Events.EventType.SessionDisconnected:
_session.OnStopped();
break;
case NativeMethods.Events.EventType.SessionPeerStateChanged: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_SessionPeerStateChangedEventData>(nativeEvent.EventData);
PeerId peerId = new PeerId(eventData.PeerId);
_session.OnPeerStateChanged(peerId, eventData.NewPeerState);
break;
}
// Advertiser
case NativeMethods.Events.EventType.AdvertiserInvitationReceived: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_AdvertiserInvitationReceivedEventData>(nativeEvent.EventData);
PeerId peerId = new PeerId(eventData.PeerId);
// The block is wrapped into an NSObject wrapper so that it can be GC'd and eventually released
NSObject invitationHandlerBlock = new NSObject(eventData.InvitationHandler);
InvitationHandler invitationHandlerAction = accept => {
NativeMethods.AdvertiserInvitationHandlerBlock.Invoke(invitationHandlerBlock.NativePointer, accept, IntPtr.Zero);
};
_customServiceAdvertiser.OnInvitationReceived(peerId, invitationHandlerAction);
break;
}
case NativeMethods.Events.EventType.AdvertiserStartFailed: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_ErrorStringEventData>(nativeEvent.EventData);
_customServiceAdvertiser.OnStartFailed(eventData.Error);
break;
}
// Advertiser assistant
case NativeMethods.Events.EventType.AdvertiserAssistantInvitationDismissed:
_serviceAdvertiser.OnInvitationDismissed();
break;
case NativeMethods.Events.EventType.AdvertiserAssistantInvitationPresenting:
_serviceAdvertiser.OnInvitationPresenting();
break;
// Peer discovery
case NativeMethods.Events.EventType.NearbyServiceBrowserPeerFound: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_PeerFoundEventData>(nativeEvent.EventData);
PeerId peerId = new PeerId(eventData.PeerId);
Dictionary <string, string> discoveryInfo =
eventData.DiscoveryInfoPairArray != IntPtr.Zero ?
MarshalUtility.MarshalStringStringDictionary(eventData.DiscoveryInfoPairArray, eventData.DiscoveryInfoArrayPairCount) :
null;
_customPeerDiscovery.OnPeerFound(peerId, discoveryInfo);
break;
}
case NativeMethods.Events.EventType.NearbyServiceBrowserPeerLost: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_NearbyServiceBrowserPeerLostEventData>(nativeEvent.EventData);
PeerId peerId = new PeerId(eventData.PeerId);
_customPeerDiscovery.OnPeerLost(peerId);
break;
}
case NativeMethods.Events.EventType.NearbyServiceBrowserStartFailed: {
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_ErrorStringEventData>(nativeEvent.EventData);
_customPeerDiscovery.OnStartFailed(eventData.Error);
break;
}
// Peer discovery UI
case NativeMethods.Events.EventType.BrowserViewControllerCancelled:
_peerDiscovery.OnCancelled();
break;
case NativeMethods.Events.EventType.BrowserViewControllerFinished:
_peerDiscovery.OnFinished();
break;
default:
throw new InvalidEnumArgumentException("nativeEvent.EventType", (int)nativeEvent.EventType, typeof(NativeMethods.Events.EventType));
}
}
private static void MessageHandler(NativeMethods.Events.EventType eventType, IntPtr eventDataPtr)
{
lock (_nativeEvents) {
switch (eventType)
{
// Session
case NativeMethods.Events.EventType.SessionStarted:
case NativeMethods.Events.EventType.SessionDisconnected:
case NativeMethods.Events.EventType.SessionPeerStateChanged:
// Advertiser
case NativeMethods.Events.EventType.AdvertiserInvitationReceived:
case NativeMethods.Events.EventType.AdvertiserStartFailed:
// Advertiser assistant
case NativeMethods.Events.EventType.AdvertiserAssistantInvitationDismissed:
case NativeMethods.Events.EventType.AdvertiserAssistantInvitationPresenting:
// Peer discovery
case NativeMethods.Events.EventType.NearbyServiceBrowserPeerFound:
case NativeMethods.Events.EventType.NearbyServiceBrowserPeerLost:
case NativeMethods.Events.EventType.NearbyServiceBrowserStartFailed:
// Peer discovery UI
case NativeMethods.Events.EventType.BrowserViewControllerCancelled:
case NativeMethods.Events.EventType.BrowserViewControllerFinished:
// Just store the event data, the event marshalling and invocation are deferred until we are on the main Unity thread
_nativeEvents.Push(new NativeEvent(eventType, eventDataPtr));
return;
case NativeMethods.Events.EventType.BrowserViewControllerNearbyPeerPresenting: {
// Special event, can not defer, must be processed immediately
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_BrowserViewControllerNearbyPeerPresentingEventData>(eventDataPtr);
PeerId peerId = new PeerId(eventData.PeerId);
Dictionary <string, string> discoveryInfo =
eventData.DiscoveryInfoPairArray != IntPtr.Zero ?
MarshalUtility.MarshalStringStringDictionary(eventData.DiscoveryInfoPairArray, eventData.DiscoveryInfoArrayPairCount) :
null;
NativeMethods.Events.UMC_BrowserViewControllerNearbyPeerPresentingResultEventData result;
result.ShouldPresent = true;
_peerDiscovery.OnNearbyPeerPresenting(peerId, discoveryInfo, ref result.ShouldPresent);
// Copy from managed to native
Marshal.StructureToPtr(result, eventData.Result, false);
// Event data is freed on the native side automatically after this method returns
return;
}
// Logs
case NativeMethods.Events.EventType.Log: {
// Special event, logs can be logged at any time
var eventData = MarshalUtility.PtrToStructure <NativeMethods.Events.UMC_LogEventData>(eventDataPtr);
switch (eventData.Type)
{
case NativeMethods.LogType.Log:
Debug.Log("[ALM] " + eventData.Text);
break;
case NativeMethods.LogType.Warning:
Debug.LogWarning("[ALM] " + eventData.Text);
break;
case NativeMethods.LogType.Error:
Debug.LogError("[ALM] " + eventData.Text);
break;
default:
throw new ArgumentOutOfRangeException("eventData.Type");
}
NativeMethods.Events.UMC_FreeEventData(eventType, eventDataPtr);
return;
}
default:
throw new ArgumentOutOfRangeException("eventType", eventType, null);
}
}
}
