1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
package cleanup
import (
"fmt"
"io"
"github.com/golang/protobuf/proto"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/service/cleanup/internalrefs"
"gitlab.com/gitlab-org/gitaly/v14/internal/gitaly/service/cleanup/notifier"
"gitlab.com/gitlab-org/gitaly/v14/internal/helper"
"gitlab.com/gitlab-org/gitaly/v14/internal/helper/chunk"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
"gitlab.com/gitlab-org/gitaly/v14/streamio"
)
type bfgStreamReader struct {
firstRequest *gitalypb.ApplyBfgObjectMapStreamRequest
server gitalypb.CleanupService_ApplyBfgObjectMapStreamServer
}
type bfgStreamWriter struct {
entries []*gitalypb.ApplyBfgObjectMapStreamResponse_Entry
server gitalypb.CleanupService_ApplyBfgObjectMapStreamServer
}
func (s *server) ApplyBfgObjectMapStream(server gitalypb.CleanupService_ApplyBfgObjectMapStreamServer) error {
firstRequest, err := server.Recv()
if err != nil {
return helper.ErrInternal(err)
}
if err := validateFirstRequest(firstRequest); err != nil {
return helper.ErrInvalidArgument(err)
}
ctx := server.Context()
repo := s.localrepo(firstRequest.GetRepository())
reader := &bfgStreamReader{firstRequest: firstRequest, server: server}
chunker := chunk.New(&bfgStreamWriter{server: server})
notifier, err := notifier.New(ctx, s.catfileCache, repo, chunker)
if err != nil {
return helper.ErrInternal(err)
}
// It doesn't matter if new internal references are added after this RPC
// starts running - they shouldn't point to the objects removed by the BFG
cleaner, err := internalrefs.NewCleaner(ctx, s.cfg, repo, notifier.Notify)
if err != nil {
return helper.ErrInternal(err)
}
if err := cleaner.ApplyObjectMap(ctx, reader.streamReader()); err != nil {
if invalidErr, ok := err.(internalrefs.ErrInvalidObjectMap); ok {
return helper.ErrInvalidArgument(invalidErr)
}
return helper.ErrInternal(err)
}
return helper.ErrInternal(chunker.Flush())
}
func validateFirstRequest(req *gitalypb.ApplyBfgObjectMapStreamRequest) error {
if repo := req.GetRepository(); repo == nil {
return fmt.Errorf("first request: repository not set")
}
return nil
}
func (r *bfgStreamReader) readOne() ([]byte, error) {
if r.firstRequest != nil {
data := r.firstRequest.GetObjectMap()
r.firstRequest = nil
return data, nil
}
req, err := r.server.Recv()
if err != nil {
return nil, err
}
return req.GetObjectMap(), nil
}
func (r *bfgStreamReader) streamReader() io.Reader {
return streamio.NewReader(r.readOne)
}
func (w *bfgStreamWriter) Append(m proto.Message) {
w.entries = append(
w.entries,
m.(*gitalypb.ApplyBfgObjectMapStreamResponse_Entry),
)
}
func (w *bfgStreamWriter) Reset() {
w.entries = nil
}
func (w *bfgStreamWriter) Send() error {
msg := &gitalypb.ApplyBfgObjectMapStreamResponse{Entries: w.entries}
return w.server.Send(msg)
}
|
