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package control
import (
"bytes"
"io"
"io/ioutil"
"os"
"strings"
"github.com/golang/protobuf/proto"
"v2ray.com/core/common"
"v2ray.com/core/infra/conf"
"v2ray.com/core/infra/conf/serial"
)
// ConfigCommand is the json to pb convert struct
type ConfigCommand struct{}
// Name for cmd usage
func (c *ConfigCommand) Name() string {
return "config"
}
// Description for help usage
func (c *ConfigCommand) Description() Description {
return Description{
Short: "merge multiple json config",
Usage: []string{"v2ctl config config.json c1.json c2.json <url>.json"},
}
}
// Execute real work here.
func (c *ConfigCommand) Execute(args []string) error {
if len(args) < 1 {
return newError("empty config list")
}
conf := &conf.Config{}
for _, arg := range args {
ctllog.Println("Read config: ", arg)
r, err := c.LoadArg(arg)
common.Must(err)
c, err := serial.DecodeJSONConfig(r)
if err != nil {
ctllog.Fatalln(err)
}
conf.Override(c, arg)
}
pbConfig, err := conf.Build()
if err != nil {
return err
}
bytesConfig, err := proto.Marshal(pbConfig)
if err != nil {
return newError("failed to marshal proto config").Base(err)
}
if _, err := os.Stdout.Write(bytesConfig); err != nil {
return newError("failed to write proto config").Base(err)
}
return nil
}
// LoadArg loads one arg, maybe an remote url, or local file path
func (c *ConfigCommand) LoadArg(arg string) (out io.Reader, err error) {
var data []byte
switch {
case strings.HasPrefix(arg, "http://"), strings.HasPrefix(arg, "https://"):
data, err = FetchHTTPContent(arg)
case arg == "stdin:":
data, err = ioutil.ReadAll(os.Stdin)
default:
data, err = ioutil.ReadFile(arg)
}
if err != nil {
return
}
out = bytes.NewBuffer(data)
return
}
func init() {
common.Must(RegisterCommand(&ConfigCommand{}))
}
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