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
|
/*
*
* Copyright 2019 gRPC 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 main
import (
"encoding/gob"
"fmt"
"os"
)
func loadSnapshot(snapshotFileName string) (*snapshot, error) {
logger.Infof("opening snapshot file %s", snapshotFileName)
snapshotFile, err := os.Open(snapshotFileName)
if err != nil {
logger.Errorf("cannot open %s: %v", snapshotFileName, err)
return nil, err
}
defer snapshotFile.Close()
logger.Infof("decoding snapshot file %s", snapshotFileName)
s := &snapshot{}
decoder := gob.NewDecoder(snapshotFile)
if err = decoder.Decode(s); err != nil {
logger.Errorf("cannot decode %s: %v", snapshotFileName, err)
return nil, err
}
return s, nil
}
func localCommand() error {
if *flagSnapshot == "" {
return fmt.Errorf("-snapshot flag missing")
}
s, err := loadSnapshot(*flagSnapshot)
if err != nil {
return err
}
if *flagStreamStatsCatapultJSON == "" {
return fmt.Errorf("snapshot file specified without an action to perform")
}
if *flagStreamStatsCatapultJSON != "" {
if err = streamStatsCatapultJSON(s, *flagStreamStatsCatapultJSON); err != nil {
return err
}
}
return nil
}
|
