"net"
"path/filepath"
"strings"
+
+ "golang.org/x/sys/unix"
)
// terminalResultLines is the most lines of a tool result that the client shows.
// errTerminalDaemonClosed tells that the daemon closed the connection.
var errTerminalDaemonClosed = errors.New("the daemon closed the connection")
-// terminal runs "onechat chat": the terminal client of the daemon. Each line of
-// input is a user message, and the line /stop interrupts the running turn. The
-// client shows the replies, the tool calls, and their results as they happen.
-// It ends at the end of the input or when the daemon closes the connection.
+// terminal runs "onechat" and "onechat chat": the terminal client of the
+// daemon. Each line of input is a user message, the line /stop interrupts the
+// running turn, the line /stop NAME stops the subagent NAME, and a line that
+// starts with /whatsapp is a WhatsApp command. /image PATH [caption] sends an
+// image from the client working directory. The client shows the replies, the
+// tool calls, and their results as they happen. It ends at the end of the input
+// or when the daemon closes the connection.
func terminal(ctx context.Context, in io.Reader, out io.Writer) error {
dir, err := dataDir()
if err != nil {
}
var dialer net.Dialer
+
conn, err := dialer.DialContext(ctx, "unix", path)
if err != nil {
return fmt.Errorf(`connect to the daemon (start it with "onechat daemon"): %w`, err)
}()
var err error
+
select {
case err = <-sent:
err = errors.Join(err, conn.Close())
+
<-shown
case err = <-shown:
err = errors.Join(terminalCmpError(err, errTerminalDaemonClosed), conn.Close())
case <-ctx.Done():
err = conn.Close()
+
<-shown
}
- return err
+ if err != nil {
+ return fmt.Errorf("run terminal client: %w", err)
+ }
+
+ return nil
}
// terminalSendLines sends each line of in as a request until the input ends.
func terminalSendLines(ctx context.Context, conn net.Conn, in io.Reader) error {
encoder := json.NewEncoder(conn)
scanner := bufio.NewScanner(in)
- scanner.Buffer(make([]byte, 64*1024), requestBytes)
+ scanner.Buffer(make([]byte, 64*1024), socketRequestBytes)
+
for ctx.Err() == nil && scanner.Scan() {
line := scanner.Text()
- request := clientRequest{
+ request := SocketRequest{
Type: "send",
Text: line,
}
- switch strings.TrimSpace(line) {
- case "":
+ name, stop := stopSubagentName(line)
+ args, whatsapp := whatsappCommandArgs(line)
+ image, isImage := terminalImageRequest(line)
+ switch {
+ case strings.TrimSpace(line) == "":
continue
- case stopCommand:
- request = clientRequest{
+ case strings.TrimSpace(line) == stopCommand:
+ request = SocketRequest{
Type: "interrupt",
}
+ case stop:
+ request = SocketRequest{
+ Type: "stop",
+ Text: name,
+ }
+ case isImage:
+ request = image
+ if request.Path != "" {
+ var err error
+
+ request.Path, err = filepath.Abs(request.Path)
+ if err != nil {
+ return fmt.Errorf("find terminal image path: %w", err)
+ }
+ }
+ case whatsapp:
+ request = SocketRequest{
+ Type: "whatsapp",
+ Text: args,
+ }
}
err := encoder.Encode(request)
}
}
- return scanner.Err()
+ err := scanner.Err()
+ if err != nil {
+ return fmt.Errorf("read terminal input: %w", err)
+ }
+
+ return nil
}
// terminalShowEvents writes each event from the daemon to out until the
-// connection closes.
+// connection closes. Only replies and work messages use Markdown styles, and
+// only when out is a terminal. Terminal output ends each shown idle event with
+// an input prompt and clears that prompt before the next shown event.
func terminalShowEvents(conn net.Conn, out io.Writer) error {
+ busy, prompt := false, false
scanner := bufio.NewScanner(conn)
- scanner.Buffer(make([]byte, 64*1024), requestBytes)
+ scanner.Buffer(make([]byte, 64*1024), socketRequestBytes)
+
for scanner.Scan() {
var event Event
+
err := json.Unmarshal(scanner.Bytes(), &event)
if err != nil {
return fmt.Errorf("decode event: %w", err)
continue
}
- _, err = io.WriteString(out, text+"\n")
+ columns := terminalColumns(out)
+ if columns > 0 && (event.Kind == "reply" || event.Kind == "work") {
+ text = strings.Join(terminalMarkdown(text, columns), "\n")
+ }
+
+ switch event.Kind {
+ case "busy":
+ busy = true
+ case "idle":
+ busy = false
+ }
+
+ text += "\n"
+ if prompt {
+ text = "\r\x1b[2K" + text
+ }
+
+ prompt = columns > 0 && !busy
+ if prompt {
+ text += "> "
+ }
+
+ _, err = io.WriteString(out, text)
if err != nil {
- return err
+ return fmt.Errorf("write terminal event: %w", err)
}
}
- return scanner.Err()
+ err := scanner.Err()
+ if err != nil {
+ return fmt.Errorf("read daemon events: %w", err)
+ }
+
+ return nil
}
// terminalCmpError returns err, or fallback when err is nil.
// terminalEventText returns the text that the client shows for event, or "" for
// none. The client shows a user message only from another source, such as
// telegram, because the user typed the others. A tool result shows its first
-// terminalResultLines lines.
+// terminalResultLines lines. The report of a subagent shows whole, and it
+// starts with the name of the subagent.
func terminalEventText(event Event) string {
switch event.Kind {
case "ready":
return "[tool] " + event.Text
case "echo":
return "[result] " + terminalFirstLines(event.Text, terminalResultLines)
+ case "subagent":
+ return "[" + event.Text + "] started"
+ case "work":
+ return event.Text
case "busy":
return "[working]"
case "idle":
return "[done]"
case "error":
return "[error] " + event.Text
+ case "notice":
+ return event.Text
default:
return ""
}
}
+// terminalColumns returns the current terminal width, or zero for other output.
+// A terminal that reports no columns uses 80.
+func terminalColumns(out io.Writer) int {
+ file, ok := out.(interface{ Fd() uintptr })
+ if !ok {
+ return 0
+ }
+
+ size, err := unix.IoctlGetWinsize(int(file.Fd()), unix.TIOCGWINSZ)
+ if err != nil {
+ return 0
+ }
+
+ if size.Col == 0 {
+ return 80
+ }
+
+ return int(size.Col)
+}
+
// terminalFirstLines returns the first count lines of text, with the number of
// the lines left out.
func terminalFirstLines(text string, count int) string {
projects / onechat / blobdiff