mirror of
https://github.com/anyproto/any-sync.git
synced 2025-06-11 02:13:49 +09:00
105 lines
3.2 KiB
Go
105 lines
3.2 KiB
Go
package synctree
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"github.com/anyproto/any-sync/commonspace/object/tree/objecttree"
|
|
"github.com/anyproto/any-sync/commonspace/object/tree/treechangeproto"
|
|
"github.com/anyproto/any-sync/commonspace/objectsync/synchandler"
|
|
"github.com/anyproto/any-sync/commonspace/spacesyncproto"
|
|
"github.com/anyproto/any-sync/commonspace/syncstatus"
|
|
"github.com/gogo/protobuf/proto"
|
|
"sync"
|
|
)
|
|
|
|
var (
|
|
ErrMessageIsRequest = errors.New("message is request")
|
|
ErrMessageIsNotRequest = errors.New("message is not request")
|
|
)
|
|
|
|
type syncTreeHandler struct {
|
|
objTree objecttree.ObjectTree
|
|
syncClient SyncClient
|
|
syncProtocol TreeSyncProtocol
|
|
syncStatus syncstatus.StatusUpdater
|
|
handlerLock sync.Mutex
|
|
spaceId string
|
|
queue ReceiveQueue
|
|
}
|
|
|
|
const maxQueueSize = 5
|
|
|
|
func newSyncTreeHandler(spaceId string, objTree objecttree.ObjectTree, syncClient SyncClient, syncStatus syncstatus.StatusUpdater) synchandler.SyncHandler {
|
|
return &syncTreeHandler{
|
|
objTree: objTree,
|
|
syncProtocol: newTreeSyncProtocol(spaceId, objTree, syncClient),
|
|
syncClient: syncClient,
|
|
syncStatus: syncStatus,
|
|
spaceId: spaceId,
|
|
queue: newReceiveQueue(maxQueueSize),
|
|
}
|
|
}
|
|
|
|
func (s *syncTreeHandler) HandleRequest(ctx context.Context, senderId string, request *spacesyncproto.ObjectSyncMessage) (response *spacesyncproto.ObjectSyncMessage, err error) {
|
|
unmarshalled := &treechangeproto.TreeSyncMessage{}
|
|
err = proto.Unmarshal(request.Payload, unmarshalled)
|
|
if err != nil {
|
|
return
|
|
}
|
|
fullSyncRequest := unmarshalled.GetContent().GetFullSyncRequest()
|
|
if fullSyncRequest == nil {
|
|
err = ErrMessageIsNotRequest
|
|
return
|
|
}
|
|
s.syncStatus.HeadsReceive(senderId, request.ObjectId, treechangeproto.GetHeads(unmarshalled))
|
|
treeResp, err := s.syncProtocol.FullSyncRequest(ctx, senderId, fullSyncRequest)
|
|
if err != nil {
|
|
return
|
|
}
|
|
response, err = MarshallTreeMessage(treeResp, s.spaceId, request.ObjectId, "")
|
|
return
|
|
}
|
|
|
|
func (s *syncTreeHandler) HandleMessage(ctx context.Context, senderId string, msg *spacesyncproto.ObjectSyncMessage) (err error) {
|
|
unmarshalled := &treechangeproto.TreeSyncMessage{}
|
|
err = proto.Unmarshal(msg.Payload, unmarshalled)
|
|
if err != nil {
|
|
return
|
|
}
|
|
s.syncStatus.HeadsReceive(senderId, msg.ObjectId, treechangeproto.GetHeads(unmarshalled))
|
|
|
|
queueFull := s.queue.AddMessage(senderId, unmarshalled, msg.RequestId)
|
|
if queueFull {
|
|
return
|
|
}
|
|
|
|
return s.handleMessage(ctx, senderId)
|
|
}
|
|
|
|
func (s *syncTreeHandler) handleMessage(ctx context.Context, senderId string) (err error) {
|
|
s.objTree.Lock()
|
|
defer s.objTree.Unlock()
|
|
msg, _, err := s.queue.GetMessage(senderId)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
defer s.queue.ClearQueue(senderId)
|
|
|
|
treeId := s.objTree.Id()
|
|
content := msg.GetContent()
|
|
switch {
|
|
case content.GetHeadUpdate() != nil:
|
|
var syncReq *treechangeproto.TreeSyncMessage
|
|
syncReq, err = s.syncProtocol.HeadUpdate(ctx, senderId, content.GetHeadUpdate())
|
|
if err != nil || syncReq == nil {
|
|
return
|
|
}
|
|
return s.syncClient.QueueRequest(senderId, treeId, syncReq)
|
|
case content.GetFullSyncRequest() != nil:
|
|
return ErrMessageIsRequest
|
|
case content.GetFullSyncResponse() != nil:
|
|
return s.syncProtocol.FullSyncResponse(ctx, senderId, content.GetFullSyncResponse())
|
|
}
|
|
return
|
|
}
|