mirror of
https://github.com/anyproto/any-sync.git
synced 2025-06-11 10:18:08 +09:00
105 lines
3.2 KiB
Go
105 lines
3.2 KiB
Go
package synctree
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import (
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"context"
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"errors"
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"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
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"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
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"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
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"github.com/anyproto/any-sync/commonspace/spacesyncproto"
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"github.com/anyproto/any-sync/commonspace/syncstatus"
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"github.com/gogo/protobuf/proto"
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"sync"
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)
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var (
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ErrMessageIsRequest = errors.New("message is request")
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ErrMessageIsNotRequest = errors.New("message is not request")
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)
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type syncTreeHandler struct {
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objTree objecttree.ObjectTree
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syncClient SyncClient
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syncProtocol TreeSyncProtocol
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syncStatus syncstatus.StatusUpdater
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handlerLock sync.Mutex
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spaceId string
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queue ReceiveQueue
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}
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const maxQueueSize = 5
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func newSyncTreeHandler(spaceId string, objTree objecttree.ObjectTree, syncClient SyncClient, syncStatus syncstatus.StatusUpdater) synchandler.SyncHandler {
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return &syncTreeHandler{
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objTree: objTree,
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syncProtocol: newTreeSyncProtocol(spaceId, objTree, syncClient),
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syncClient: syncClient,
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syncStatus: syncStatus,
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spaceId: spaceId,
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queue: newReceiveQueue(maxQueueSize),
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}
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}
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func (s *syncTreeHandler) HandleRequest(ctx context.Context, senderId string, request *spacesyncproto.ObjectSyncMessage) (response *spacesyncproto.ObjectSyncMessage, err error) {
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unmarshalled := &treechangeproto.TreeSyncMessage{}
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err = proto.Unmarshal(request.Payload, unmarshalled)
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if err != nil {
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return
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}
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fullSyncRequest := unmarshalled.GetContent().GetFullSyncRequest()
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if fullSyncRequest == nil {
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err = ErrMessageIsNotRequest
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return
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}
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s.syncStatus.HeadsReceive(senderId, request.ObjectId, treechangeproto.GetHeads(unmarshalled))
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treeResp, err := s.syncProtocol.FullSyncRequest(ctx, senderId, fullSyncRequest)
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if err != nil {
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return
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}
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response, err = MarshallTreeMessage(treeResp, s.spaceId, request.ObjectId, "")
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return
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}
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func (s *syncTreeHandler) HandleMessage(ctx context.Context, senderId string, msg *spacesyncproto.ObjectSyncMessage) (err error) {
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unmarshalled := &treechangeproto.TreeSyncMessage{}
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err = proto.Unmarshal(msg.Payload, unmarshalled)
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if err != nil {
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return
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}
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s.syncStatus.HeadsReceive(senderId, msg.ObjectId, treechangeproto.GetHeads(unmarshalled))
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queueFull := s.queue.AddMessage(senderId, unmarshalled, msg.RequestId)
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if queueFull {
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return
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}
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return s.handleMessage(ctx, senderId)
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}
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func (s *syncTreeHandler) handleMessage(ctx context.Context, senderId string) (err error) {
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s.objTree.Lock()
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defer s.objTree.Unlock()
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msg, _, err := s.queue.GetMessage(senderId)
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if err != nil {
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return
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}
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defer s.queue.ClearQueue(senderId)
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treeId := s.objTree.Id()
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content := msg.GetContent()
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switch {
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case content.GetHeadUpdate() != nil:
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var syncReq *treechangeproto.TreeSyncMessage
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syncReq, err = s.syncProtocol.HeadUpdate(ctx, senderId, content.GetHeadUpdate())
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if err != nil || syncReq == nil {
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return
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}
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return s.syncClient.QueueRequest(senderId, treeId, syncReq)
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case content.GetFullSyncRequest() != nil:
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return ErrMessageIsRequest
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case content.GetFullSyncResponse() != nil:
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return s.syncProtocol.FullSyncResponse(ctx, senderId, content.GetFullSyncResponse())
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}
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return
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}
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