b22b627300
Organizes the cri related server packages under pkg/cri Signed-off-by: Derek McGowan <derek@mcg.dev>
82 lines
1.6 KiB
Go
82 lines
1.6 KiB
Go
// +build windows
|
|
|
|
/*
|
|
Copyright The containerd Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package io
|
|
|
|
import (
|
|
"io"
|
|
"net"
|
|
"os"
|
|
"sync"
|
|
|
|
winio "github.com/Microsoft/go-winio"
|
|
"github.com/pkg/errors"
|
|
"golang.org/x/net/context"
|
|
)
|
|
|
|
type pipe struct {
|
|
l net.Listener
|
|
con net.Conn
|
|
conErr error
|
|
conWg sync.WaitGroup
|
|
}
|
|
|
|
func openPipe(ctx context.Context, fn string, flag int, perm os.FileMode) (io.ReadWriteCloser, error) {
|
|
l, err := winio.ListenPipe(fn, nil)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
p := &pipe{l: l}
|
|
p.conWg.Add(1)
|
|
go func() {
|
|
defer p.conWg.Done()
|
|
c, err := l.Accept()
|
|
if err != nil {
|
|
p.conErr = err
|
|
return
|
|
}
|
|
p.con = c
|
|
}()
|
|
return p, nil
|
|
}
|
|
|
|
func (p *pipe) Write(b []byte) (int, error) {
|
|
p.conWg.Wait()
|
|
if p.conErr != nil {
|
|
return 0, errors.Wrap(p.conErr, "connection error")
|
|
}
|
|
return p.con.Write(b)
|
|
}
|
|
|
|
func (p *pipe) Read(b []byte) (int, error) {
|
|
p.conWg.Wait()
|
|
if p.conErr != nil {
|
|
return 0, errors.Wrap(p.conErr, "connection error")
|
|
}
|
|
return p.con.Read(b)
|
|
}
|
|
|
|
func (p *pipe) Close() error {
|
|
p.l.Close()
|
|
p.conWg.Wait()
|
|
if p.con != nil {
|
|
return p.con.Close()
|
|
}
|
|
return p.conErr
|
|
}
|