forked from NebulousLabs/Sia
/
persist.go
44 lines (38 loc) · 1.02 KB
/
persist.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
package gateway
import (
"log"
"os"
"path/filepath"
"github.com/NebulousLabs/Sia/modules"
"github.com/NebulousLabs/Sia/persist"
)
var persistMetadata = persist.Metadata{
Header: "Sia Node List",
Version: "0.3.3",
}
func (g *Gateway) save() error {
var nodes []modules.NetAddress
for node := range g.nodes {
nodes = append(nodes, node)
}
return persist.SaveFile(persistMetadata, nodes, filepath.Join(g.saveDir, "nodes.json"))
}
func (g *Gateway) load() error {
var nodes []modules.NetAddress
err := persist.LoadFile(persistMetadata, &nodes, filepath.Join(g.saveDir, "nodes.json"))
if err != nil {
return err
}
for _, node := range nodes {
g.addNode(node)
}
return nil
}
func makeLogger(saveDir string) (*log.Logger, error) {
// if the log file already exists, append to it
logFile, err := os.OpenFile(filepath.Join(saveDir, "gateway.log"), os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0660)
if err != nil {
return nil, err
}
return log.New(logFile, "", log.Ldate|log.Ltime|log.Lmicroseconds|log.Lshortfile), nil
}