subscribe metadata between a range

3 files changed, 234 insertions, 222 deletions

diff --git a/weed/pb/filer.proto b/weed/pb/filer.proto
index e5c7f21e7..e52bbcf89 100644
--- a/weed/pb/filer.proto
+++ b/weed/pb/filer.proto
@@ -348,6 +348,7 @@ message SubscribeMetadataRequest {
     int32 signature = 4;
     repeated string path_prefixes = 6;
     int32 client_id = 7;
+    int64 until_ns = 8;
 }
 message SubscribeMetadataResponse {
     string directory = 1;
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index 5fb570dfb..835383aff 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -2826,6 +2826,7 @@ type SubscribeMetadataRequest struct {
 	Signature    int32    `protobuf:"varint,4,opt,name=signature,proto3" json:"signature,omitempty"`
 	PathPrefixes []string `protobuf:"bytes,6,rep,name=path_prefixes,json=pathPrefixes,proto3" json:"path_prefixes,omitempty"`
 	ClientId     int32    `protobuf:"varint,7,opt,name=client_id,json=clientId,proto3" json:"client_id,omitempty"`
+	UntilNs      int64    `protobuf:"varint,8,opt,name=until_ns,json=untilNs,proto3" json:"until_ns,omitempty"`
 }
 
 func (x *SubscribeMetadataRequest) Reset() {
@@ -2902,6 +2903,13 @@ func (x *SubscribeMetadataRequest) GetClientId() int32 {
 	return 0
 }
 
+func (x *SubscribeMetadataRequest) GetUntilNs() int64 {
+	if x != nil {
+		return x.UntilNs
+	}
+	return 0
+}
+
 type SubscribeMetadataResponse struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -4169,7 +4177,7 @@ var file_filer_proto_rawDesc = []byte{
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@@ -4182,224 +4190,226 @@ var file_filer_proto_rawDesc = []byte{
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+	0x72, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x4f, 0x0a, 0x10, 0x73,
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+	0x0a, 0x46, 0x69, 0x6c, 0x65, 0x72, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x5a, 0x2f, 0x67, 0x69, 0x74,
+	0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x63, 0x68, 0x72, 0x69, 0x73, 0x6c, 0x75, 0x73,
+	0x66, 0x2f, 0x73, 0x65, 0x61, 0x77, 0x65, 0x65, 0x64, 0x66, 0x73, 0x2f, 0x77, 0x65, 0x65, 0x64,
+	0x2f, 0x70, 0x62, 0x2f, 0x66, 0x69, 0x6c, 0x65, 0x72, 0x5f, 0x70, 0x62, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
diff --git a/weed/pb/filer_pb_tail.go b/weed/pb/filer_pb_tail.go
index b373588c9..0fba972d1 100644
--- a/weed/pb/filer_pb_tail.go
+++ b/weed/pb/filer_pb_tail.go
@@ -13,11 +13,11 @@ import (
 type ProcessMetadataFunc func(resp *filer_pb.SubscribeMetadataResponse) error
 
 func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption, clientName string, clientId int32,
-	pathPrefix string, additionalPathPrefixes []string, lastTsNs int64, selfSignature int32,
+	pathPrefix string, additionalPathPrefixes []string, lastTsNs int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) error {
 
 	err := WithFilerClient(true, filerAddress, grpcDialOption, makeSubscribeMetadataFunc(clientName, clientId,
-		pathPrefix, additionalPathPrefixes, &lastTsNs, selfSignature, processEventFn, fatalOnError))
+		pathPrefix, additionalPathPrefixes, &lastTsNs, untilTsNs, selfSignature, processEventFn, fatalOnError))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
 	}
@@ -25,11 +25,11 @@ func FollowMetadata(filerAddress ServerAddress, grpcDialOption grpc.DialOption,
 }
 
 func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
-	clientName string, clientId int32, pathPrefix string, lastTsNs *int64, selfSignature int32,
+	clientName string, clientId int32, pathPrefix string, lastTsNs *int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) error {
 
 	err := filerClient.WithFilerClient(true, makeSubscribeMetadataFunc(clientName, clientId,
-		pathPrefix, nil, lastTsNs, selfSignature, processEventFn, fatalOnError))
+		pathPrefix, nil, lastTsNs, untilTsNs, selfSignature, processEventFn, fatalOnError))
 	if err != nil {
 		return fmt.Errorf("subscribing filer meta change: %v", err)
 	}
@@ -37,7 +37,7 @@ func WithFilerClientFollowMetadata(filerClient filer_pb.FilerClient,
 	return nil
 }
 
-func makeSubscribeMetadataFunc(clientName string, clientId int32, pathPrefix string, additionalPathPrefixes []string, lastTsNs *int64, selfSignature int32,
+func makeSubscribeMetadataFunc(clientName string, clientId int32, pathPrefix string, additionalPathPrefixes []string, lastTsNs *int64, untilTsNs int64, selfSignature int32,
 	processEventFn ProcessMetadataFunc, fatalOnError bool) func(client filer_pb.SeaweedFilerClient) error {
 	return func(client filer_pb.SeaweedFilerClient) error {
 		ctx, cancel := context.WithCancel(context.Background())
@@ -49,6 +49,7 @@ func makeSubscribeMetadataFunc(clientName string, clientId int32, pathPrefix str
 			SinceNs:      *lastTsNs,
 			Signature:    selfSignature,
 			ClientId:     clientId,
+			UntilNs:      untilTsNs,
 		})
 		if err != nil {
 			return fmt.Errorf("subscribe: %v", err)