| | | 1 | | using System; |
| | | 2 | | using System.Collections.Generic; |
| | | 3 | | using System.IO; |
| | | 4 | | using System.Threading; |
| | | 5 | | using Cysharp.Threading.Tasks; |
| | | 6 | | using DCL; |
| | | 7 | | using DCL.CRDT; |
| | | 8 | | using Google.Protobuf; |
| | | 9 | | using KernelCommunication; |
| | | 10 | | using rpc_csharp; |
| | | 11 | | using UnityEngine; |
| | | 12 | | using BinaryWriter = KernelCommunication.BinaryWriter; |
| | | 13 | | |
| | | 14 | | namespace RPC.Services |
| | | 15 | | { |
| | | 16 | | public class CRDTServiceImpl : ICRDTService<RPCContext> |
| | | 17 | | { |
| | 1 | 18 | | private static readonly UniTask<CRDTResponse> defaultResponse = UniTask.FromResult(new CRDTResponse()); |
| | 1 | 19 | | private static readonly UniTask<CRDTManyMessages> emptyResponse = UniTask.FromResult(new CRDTManyMessages() { Sc |
| | | 20 | | |
| | 1 | 21 | | private static readonly CRDTManyMessages reusableCrdtMessage = new CRDTManyMessages(); |
| | | 22 | | |
| | 1 | 23 | | private static readonly CRDTStream crdtStream = new CRDTStream(); |
| | 1 | 24 | | private static readonly MemoryStream memoryStream = new MemoryStream(); |
| | 1 | 25 | | private static readonly BinaryWriter binaryWriter = new BinaryWriter(memoryStream); |
| | | 26 | | |
| | | 27 | | public static void RegisterService(RpcServerPort<RPCContext> port) |
| | | 28 | | { |
| | 0 | 29 | | CRDTServiceCodeGen.RegisterService(port, new CRDTServiceImpl()); |
| | 0 | 30 | | } |
| | | 31 | | |
| | | 32 | | public UniTask<CRDTResponse> SendCrdt(CRDTManyMessages messages, RPCContext context, CancellationToken ct) |
| | | 33 | | { |
| | 1 | 34 | | messages.Payload.WriteTo(crdtStream); |
| | | 35 | | |
| | 1 | 36 | | var sceneMessagesPool = context.crdtContext.messageQueueHandler.sceneMessagesPool; |
| | | 37 | | |
| | | 38 | | try |
| | | 39 | | { |
| | 1 | 40 | | using (var iterator = KernelBinaryMessageDeserializer.Deserialize(crdtStream)) |
| | | 41 | | { |
| | 2 | 42 | | while (iterator.MoveNext()) |
| | | 43 | | { |
| | 1 | 44 | | if (!(iterator.Current is CRDTMessage crdtMessage)) |
| | | 45 | | continue; |
| | | 46 | | |
| | 1 | 47 | | if (!sceneMessagesPool.TryDequeue(out QueuedSceneMessage_Scene queuedMessage)) |
| | | 48 | | { |
| | 1 | 49 | | queuedMessage = new QueuedSceneMessage_Scene(); |
| | | 50 | | } |
| | 1 | 51 | | queuedMessage.method = MessagingTypes.CRDT_MESSAGE; |
| | 1 | 52 | | queuedMessage.type = QueuedSceneMessage.Type.SCENE_MESSAGE; |
| | 1 | 53 | | queuedMessage.sceneId = messages.SceneId; |
| | 1 | 54 | | queuedMessage.payload = crdtMessage; |
| | | 55 | | |
| | 1 | 56 | | context.crdtContext.messageQueueHandler.EnqueueSceneMessage(queuedMessage); |
| | | 57 | | } |
| | 1 | 58 | | } |
| | 1 | 59 | | } |
| | | 60 | | catch (Exception e) |
| | | 61 | | { |
| | 0 | 62 | | Debug.LogError(e); |
| | 0 | 63 | | } |
| | | 64 | | |
| | 1 | 65 | | return defaultResponse; |
| | | 66 | | } |
| | | 67 | | public UniTask<CRDTManyMessages> PullCrdt(PullCRDTRequest request, RPCContext context, CancellationToken ct) |
| | | 68 | | { |
| | 2 | 69 | | string sceneId = request.SceneId; |
| | | 70 | | |
| | | 71 | | try |
| | | 72 | | { |
| | 2 | 73 | | if (!context.crdtContext.scenesOutgoingCrdts.TryGetValue(sceneId, out CRDTProtocol sceneCrdtState)) |
| | | 74 | | { |
| | 0 | 75 | | return emptyResponse; |
| | | 76 | | } |
| | | 77 | | |
| | 2 | 78 | | memoryStream.SetLength(0); |
| | | 79 | | |
| | 2 | 80 | | context.crdtContext.scenesOutgoingCrdts.Remove(sceneId); |
| | | 81 | | |
| | 2 | 82 | | KernelBinaryMessageSerializer.Serialize(binaryWriter, sceneCrdtState); |
| | 2 | 83 | | sceneCrdtState.ClearOnUpdated(); |
| | | 84 | | |
| | 2 | 85 | | reusableCrdtMessage.SceneId = sceneId; |
| | 2 | 86 | | reusableCrdtMessage.Payload = ByteString.CopyFrom(memoryStream.ToArray()); |
| | | 87 | | |
| | 2 | 88 | | return UniTask.FromResult(reusableCrdtMessage); |
| | | 89 | | } |
| | | 90 | | catch (Exception e) |
| | | 91 | | { |
| | 0 | 92 | | Debug.LogError(e); |
| | 0 | 93 | | return emptyResponse; |
| | | 94 | | } |
| | 2 | 95 | | } |
| | | 96 | | } |
| | | 97 | | } |