forked from redpanda-data/connect
-
Notifications
You must be signed in to change notification settings - Fork 0
/
files.go
128 lines (104 loc) · 3.46 KB
/
files.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
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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
// Copyright (c) 2018 Ashley Jeffs
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package reader
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"time"
"github.com/Jeffail/benthos/lib/types"
)
//------------------------------------------------------------------------------
// FilesConfig is configuration for the Files input type.
type FilesConfig struct {
Path string `json:"path" yaml:"path"`
}
// NewFilesConfig creates a new FilesConfig with default values.
func NewFilesConfig() FilesConfig {
return FilesConfig{
Path: "",
}
}
//------------------------------------------------------------------------------
// Files is an input type that reads file contents at a path as messages.
type Files struct {
targets []string
}
// NewFiles creates a new Files input type.
func NewFiles(conf FilesConfig) (Type, error) {
f := Files{}
if info, err := os.Stat(conf.Path); err != nil {
return nil, err
} else if !info.IsDir() {
f.targets = append(f.targets, conf.Path)
return &f, nil
}
err := filepath.Walk(conf.Path, func(path string, info os.FileInfo, werr error) error {
if werr != nil {
return werr
}
if info.IsDir() {
return nil
}
f.targets = append(f.targets, path)
return nil
})
return &f, err
}
//------------------------------------------------------------------------------
// Connect establishes a connection.
func (f *Files) Connect() (err error) {
return nil
}
//------------------------------------------------------------------------------
// Read a new Files message.
func (f *Files) Read() (types.Message, error) {
if len(f.targets) == 0 {
return nil, types.ErrTypeClosed
}
path := f.targets[0]
f.targets = f.targets[1:]
file, openerr := os.Open(path)
if openerr != nil {
return nil, fmt.Errorf("failed to read file '%v': %v", path, openerr)
}
defer file.Close()
msgBytes, readerr := ioutil.ReadAll(file)
if readerr != nil {
return nil, readerr
}
msg := types.NewMessage([][]byte{msgBytes})
msg.SetMetadata("path", path)
return msg, nil
}
// Acknowledge instructs whether unacknowledged messages have been successfully
// propagated.
func (f *Files) Acknowledge(err error) error {
return nil
}
// CloseAsync shuts down the Files input and stops processing requests.
func (f *Files) CloseAsync() {
}
// WaitForClose blocks until the Files input has closed down.
func (f *Files) WaitForClose(timeout time.Duration) error {
return nil
}
//------------------------------------------------------------------------------