/
cfg.go
73 lines (66 loc) · 1.46 KB
/
cfg.go
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package proxy
import (
"bufio"
"net"
"os"
"strings"
"github.com/sirupsen/logrus"
)
func ReadCfg(filename string) map[string][]string {
file, err := os.Open(filename)
if err != nil {
logrus.Fatal(err)
}
defer file.Close()
scanner := bufio.NewScanner(file)
result := make(map[string][]string, 0)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if len(line) == 0 {
continue
}
record := strings.Split(line, "|")
if len(record) != 2 {
logrus.Fatal("invalid config found:", filename, "|", record)
}
key := strings.TrimSpace(record[0])
values := strings.Split(strings.TrimSpace(record[1]), ",")
if len(values) > 0 {
for k, v := range values {
values[k] = strings.TrimSpace(v)
if net.ParseIP(values[k]) == nil {
logrus.Fatal("invalid server address: ", v, "@", key)
}
}
result[key] = values
}
}
if err := scanner.Err(); err != nil {
logrus.Fatal(err)
}
return result
}
func ReadServerListCfg(filename string) []string {
file, err := os.Open(filename)
if err != nil {
logrus.Fatal(err)
}
defer file.Close()
scanner := bufio.NewScanner(file)
result := make([]string, 0)
for scanner.Scan() {
server := strings.TrimSpace(scanner.Text())
if server == "" {
continue
}
if net.ParseIP(server) == nil {
logrus.Fatal("invalid server address: ", server)
}
server = server + ":53"
result = append(result, server)
}
if err := scanner.Err(); err != nil {
logrus.Fatal(err)
}
return result
}