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fix loading of json config

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This commit is contained in:
Darien Raymond 2018-02-12 11:40:42 +01:00
parent 34f51c6a0d
commit f4ec85d320
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GPG Key ID: 7251FFA14BB18169
1 changed files with 35 additions and 8 deletions
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43
main/config_json.go
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@ -1,23 +1,35 @@
package main
import (
"context"
"io"
"os"
"os/exec"
"v2ray.com/core"
"v2ray.com/core/common"
"v2ray.com/core/common/platform"
"v2ray.com/core/common/signal"
)
type logWriter struct{}
func (*logWriter) Write(b []byte) (int, error) {
n, err := os.Stderr.Write(b)
if err == nil {
os.Stderr.WriteString(platform.LineSeparator())
}
return n, err
}
func jsonToProto(input io.Reader) (*core.Config, error) {
v2ctl := platform.GetToolLocation("v2ctl")
_, err := os.Stat(v2ctl)
if err != nil {
if _, err := os.Stat(v2ctl); err != nil {
return nil, err
}
cmd := exec.Command(v2ctl, "config")
cmd.Stdin = input
cmd.Stderr = os.Stderr
cmd.Stderr = &logWriter{}
cmd.SysProcAttr = getSysProcAttr()
stdoutReader, err := cmd.StdoutPipe()
@ -30,19 +42,34 @@ func jsonToProto(input io.Reader) (*core.Config, error) {
return nil, err
}
config, err := core.LoadConfig(core.ConfigFormat_Protobuf, stdoutReader)
var config *core.Config
cmd.Wait()
loadTask := signal.ExecuteAsync(func() error {
c, err := core.LoadConfig(core.ConfigFormat_Protobuf, stdoutReader)
if err != nil {
return err
}
config = c
return nil
})
return config, err
waitTask := signal.ExecuteAsync(func() error {
return cmd.Wait()
})
if err := signal.ErrorOrFinish2(context.Background(), loadTask, waitTask); err != nil {
return nil, err
}
return config, nil
}
func init() {
core.RegisterConfigLoader(core.ConfigFormat_JSON, func(input io.Reader) (*core.Config, error) {
common.Must(core.RegisterConfigLoader(core.ConfigFormat_JSON, func(input io.Reader) (*core.Config, error) {
config, err := jsonToProto(input)
if err != nil {
return nil, newError("failed to execute v2ctl to convert config file.").Base(err).AtWarning()
}
return config, nil
})
}))
}