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Some work on implementing TTYIO

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This commit is contained in:
Kovid Goyal
2022-08-18 15:40:19 +05:30
parent 6c3a439455
commit 43e93414ea
5 changed files with 307 additions and 10 deletions
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49
tools/cmd/at/main.go
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@@ -3,9 +3,10 @@ package at
import (
"encoding/json"
"fmt"
"io/ioutil"
"io"
"os"
"strings"
"time"
"github.com/mattn/go-isatty"
"github.com/spf13/cobra"
@@ -89,6 +90,36 @@ func create_serializer(password string, encoded_pubkey string, response_timeout
return simple_serializer, timeout, nil
}
type TTYIO interface {
WriteAllWithTimeout(b []byte, d time.Duration) (n int, err error)
WriteFromReader(r utils.Reader, read_timeout time.Duration, write_timeout time.Duration) (n int, err error)
Restore() error
Close() error
}
func do_tty_io(tty TTYIO, input utils.Reader, response_timeout time.Duration) (err error) {
defer func() {
tty.Restore()
tty.Close()
}()
_, err = tty.WriteAllWithTimeout([]byte("\x1bP@kitty-cmd"), 2*time.Second)
if err != nil {
return err
}
_, err = tty.WriteFromReader(input, 2*time.Second, 2*time.Second)
if err != nil {
return err
}
_, err = tty.WriteAllWithTimeout([]byte("\x1b\\"), 2*time.Second)
if err != nil {
return err
}
return
}
func send_rc_command(rc *utils.RemoteControlCmd, timeout float64) (err error) {
serializer, timeout, err = create_serializer(global_options.password, "", timeout)
if err != nil {
@@ -99,9 +130,15 @@ func send_rc_command(rc *utils.RemoteControlCmd, timeout float64) (err error) {
return
}
r := utils.BytesReader{Data: d}
println(string(r.Data))
return
if global_options.to_network == "" {
tty, err := utils.OpenControllingTerm(true)
if err != nil {
return err
}
return do_tty_io(tty, &r, time.Duration(timeout*1e9))
} else {
return fmt.Errorf("TODO: Implement socket IO")
}
}
func get_password(password string, password_file string, password_env string, use_password string) (ans string, err error) {
@@ -119,7 +156,7 @@ func get_password(password string, password_file string, password_env string, us
ans = string(q)
}
} else {
q, err := ioutil.ReadAll(os.Stdin)
q, err := io.ReadAll(os.Stdin)
if err != nil {
ans = strings.TrimRight(string(q), " \n\t")
}
@@ -130,7 +167,7 @@ func get_password(password string, password_file string, password_env string, us
}
}
} else {
q, err := ioutil.ReadFile(password_file)
q, err := os.ReadFile(password_file)
if err != nil {
ans = strings.TrimRight(string(q), " \n\t")
}