// Use this for initialization
void Start()
{
anim = this.GetComponent <Animator>();
tc = this.GetComponentInChildren <TargetChange>();
mCamera = Camera.main;
headPos = GameObject.Find("headPos").GetComponent <Transform>().position;
Head = GameObject.Find("C_man_Head");
idle();
}
public async Task <WatchResponseResult> HandleResponseAsync(ListenResponse response, CancellationToken cancellationToken)
{
switch (response.ResponseTypeCase)
{
case ListenResponse.ResponseTypeOneofCase.TargetChange:
TargetChange change = response.TargetChange;
bool noTargetIds = change.TargetIds.Count == 0;
switch (change.TargetChangeType)
{
case NoChange:
if (noTargetIds && change.ReadTime != null && _current)
{
// This means everything is up-to-date, so emit the current set of docs as a snapshot,
// if there were changes.
await PushSnapshotAsync(Timestamp.FromProto(change.ReadTime), change.ResumeToken, cancellationToken).ConfigureAwait(false);
}
break;
case Add:
GaxPreconditions.CheckState(WatchStream.WatchTargetId == change.TargetIds[0], "Target ID must be 0x{0:x}", WatchStream.WatchTargetId);
break;
case Remove:
// TODO: Do we really want an RpcException here?
StatusCode status = (StatusCode?)change.Cause?.Code ?? StatusCode.Cancelled;
throw new RpcException(new Status(status, $"Backend ended listen stream: {change.Cause?.Message}"));
case Current:
_current = true;
break;
case Reset:
ResetDocs();
return(WatchResponseResult.Continue);
default:
// TODO: Do we really want an RpcException here?
throw new RpcException(new Status(StatusCode.InvalidArgument, $"Encountered invalid target change type: {change.Cause.Message}"));
}
bool healthy = change.ResumeToken != null && (change.TargetIds.Count == 0 || change.TargetIds.Contains(WatchStream.WatchTargetId));
// Possibly tell the watch stream that it's now healthy (so reset backoff), or just continue.
return(healthy ? WatchResponseResult.StreamHealthy : WatchResponseResult.Continue);
case ListenResponse.ResponseTypeOneofCase.DocumentChange:
// No other targetIds can show up here, but we still need to see if the targetId was in the
// added list or removed list.
var changed = response.DocumentChange.TargetIds.Contains(WatchStream.WatchTargetId);
var removed = response.DocumentChange.RemovedTargetIds.Contains(WatchStream.WatchTargetId);
Document document = response.DocumentChange.Document;
DocumentReference docRef = CreateDocumentReference(document.Name);
if (changed && removed)
{
throw new InvalidOperationException("Server error: document was both changed and removed");
}
if (!changed && !removed)
{
throw new InvalidOperationException("Server error: document was neither changed nor removed");
}
_changeMap[docRef] = changed ? document : null;
return(WatchResponseResult.Continue);
case ListenResponse.ResponseTypeOneofCase.DocumentDelete:
_changeMap[CreateDocumentReference(response.DocumentDelete.Document)] = null;
return(WatchResponseResult.Continue);
case ListenResponse.ResponseTypeOneofCase.DocumentRemove:
_changeMap[CreateDocumentReference(response.DocumentRemove.Document)] = null;
return(WatchResponseResult.Continue);
case ListenResponse.ResponseTypeOneofCase.Filter:
// TODO: Do we really want to create the change set itself, rather than just count? It seems a bit wasteful.
ChangeSet changeSet = ExtractChanges(default);
int currentSize = _documentSet.Count + changeSet.Adds.Count - changeSet.Deletes.Count;
// Reset the stream if we don't have the right number of documents.
if (response.Filter.Count != currentSize)
{
ResetDocs();
return(WatchResponseResult.ResetStream);
}
return(WatchResponseResult.Continue);
default:
throw new RpcException(new Status(StatusCode.InvalidArgument, $"Encountered invalid listen response type: {response.ResponseTypeCase}"));
}
}
