/
buffer.go
55 lines (45 loc) · 1.17 KB
/
buffer.go
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
// Copyright 2015 The LUCI Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fetcher
import (
"container/list"
"go.chromium.org/luci/logdog/api/logpb"
)
type logBuffer struct {
l list.List
cur []*logpb.LogEntry
curIdx int
count int
}
func (b *logBuffer) current() *logpb.LogEntry {
for b.curIdx >= len(b.cur) {
if b.l.Len() == 0 {
return nil
}
b.cur = b.l.Remove(b.l.Front()).([]*logpb.LogEntry)
b.curIdx = 0
}
return b.cur[b.curIdx]
}
func (b *logBuffer) next() {
b.curIdx++
b.count--
}
func (b *logBuffer) append(le ...*logpb.LogEntry) {
b.l.PushBack(le)
b.count += len(le)
}
func (b *logBuffer) size() int {
return b.count
}