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v2fly/main/config_json.go

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package main
import (
"io"
"os"
"os/exec"
"v2ray.com/core"
"v2ray.com/core/common/platform"
)
func jsonToProto(input io.Reader) (*core.Config, error) {
v2ctl := platform.GetToolLocation("v2ctl")
_, err := os.Stat(v2ctl)
if err != nil {
return nil, err
}
cmd := exec.Command(v2ctl, "config")
cmd.Stdin = input
cmd.Stderr = os.Stderr
cmd.SysProcAttr = getSysProcAttr()
stdoutReader, err := cmd.StdoutPipe()
if err != nil {
return nil, err
}
defer stdoutReader.Close()
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if err := cmd.Start(); err != nil {
return nil, err
}
config, err := core.LoadConfig(core.ConfigFormat_Protobuf, stdoutReader)
cmd.Wait()
return config, err
}
func init() {
core.RegisterConfigLoader(core.ConfigFormat_JSON, func(input io.Reader) (*core.Config, error) {
config, err := jsonToProto(input)
if err != nil {
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return nil, newError("failed to execute v2ctl to convert config file.").Base(err).AtWarning()
}
return config, nil
})
}