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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-12-22 01:57:12 -05:00

fix error detection for pipeline

This commit is contained in:
Darien Raymond 2018-04-13 11:25:41 +02:00
parent ccafce3c9b
commit 48e825567a
No known key found for this signature in database
GPG Key ID: 7251FFA14BB18169
3 changed files with 26 additions and 9 deletions

View File

@ -3,6 +3,7 @@ package buf
import (
"io"
"net"
"os"
"v2ray.com/core/common"
"v2ray.com/core/common/errors"
@ -22,7 +23,7 @@ func ReadAllToMultiBuffer(reader io.Reader) (MultiBuffer, error) {
mb.Append(b)
}
if err != nil {
if errors.Cause(err) == io.EOF {
if errors.Cause(err) == io.EOF || errors.Cause(err) == os.ErrClosed {
return mb, nil
}
mb.Release()

View File

@ -3,6 +3,7 @@ package errors // import "v2ray.com/core/common/errors"
import (
"context"
"os"
"strings"
"v2ray.com/core/common/log"
@ -162,12 +163,27 @@ func Cause(err error) error {
if err == nil {
return nil
}
L:
for {
inner, ok := err.(hasInnerError)
if !ok || inner.Inner() == nil {
break
switch inner := err.(type) {
case hasInnerError:
if inner.Inner() == nil {
break L
}
err = inner.Inner()
case *os.PathError:
if inner.Err == nil {
break L
}
err = inner.Err
case *os.SyscallError:
if inner.Err == nil {
break L
}
err = inner.Err
default:
break L
}
err = inner.Inner()
}
return err
}

View File

@ -16,7 +16,7 @@ import (
func Run(args []string, input io.Reader) (buf.MultiBuffer, error) {
v2ctl := platform.GetToolLocation("v2ctl")
if _, err := os.Stat(v2ctl); err != nil {
return nil, err
return nil, newError("v2ctl doesn't exist").Base(err)
}
errBuffer := &buf.MultiBuffer{}
@ -30,19 +30,19 @@ func Run(args []string, input io.Reader) (buf.MultiBuffer, error) {
stdoutReader, err := cmd.StdoutPipe()
if err != nil {
return nil, err
return nil, newError("failed to get stdout from v2ctl").Base(err)
}
defer stdoutReader.Close()
if err := cmd.Start(); err != nil {
return nil, err
return nil, newError("failed to start v2ctl").Base(err)
}
var content buf.MultiBuffer
loadTask := func() error {
c, err := buf.ReadAllToMultiBuffer(stdoutReader)
if err != nil {
return err
return newError("failed to read config").Base(err)
}
content = c
return nil