forked from TrueCloudLab/restic
74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
package rclone
|
|
|
|
import (
|
|
"net"
|
|
"os"
|
|
"os/exec"
|
|
"sync"
|
|
|
|
"github.com/restic/restic/internal/debug"
|
|
)
|
|
|
|
// StdioConn implements a net.Conn via stdin/stdout.
|
|
type StdioConn struct {
|
|
stdin *os.File
|
|
stdout *os.File
|
|
cmd *exec.Cmd
|
|
close sync.Once
|
|
}
|
|
|
|
func (s *StdioConn) Read(p []byte) (int, error) {
|
|
n, err := s.stdin.Read(p)
|
|
return n, err
|
|
}
|
|
|
|
func (s *StdioConn) Write(p []byte) (int, error) {
|
|
n, err := s.stdout.Write(p)
|
|
return n, err
|
|
}
|
|
|
|
// Close closes both streams.
|
|
func (s *StdioConn) Close() (err error) {
|
|
s.close.Do(func() {
|
|
debug.Log("close stdio connection")
|
|
var errs []error
|
|
|
|
for _, f := range []func() error{s.stdin.Close, s.stdout.Close} {
|
|
err := f()
|
|
if err != nil {
|
|
errs = append(errs, err)
|
|
}
|
|
}
|
|
|
|
if len(errs) > 0 {
|
|
err = errs[0]
|
|
}
|
|
})
|
|
|
|
return err
|
|
}
|
|
|
|
// LocalAddr returns nil.
|
|
func (s *StdioConn) LocalAddr() net.Addr {
|
|
return Addr{}
|
|
}
|
|
|
|
// RemoteAddr returns nil.
|
|
func (s *StdioConn) RemoteAddr() net.Addr {
|
|
return Addr{}
|
|
}
|
|
|
|
// make sure StdioConn implements net.Conn
|
|
var _ net.Conn = &StdioConn{}
|
|
|
|
// Addr implements net.Addr for stdin/stdout.
|
|
type Addr struct{}
|
|
|
|
// Network returns the network type as a string.
|
|
func (a Addr) Network() string {
|
|
return "stdio"
|
|
}
|
|
|
|
func (a Addr) String() string {
|
|
return "stdio"
|
|
}
|