98 lines
1.7 KiB
Go
98 lines
1.7 KiB
Go
package main
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import (
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"fmt"
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"strconv"
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"strings"
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)
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func (app *App) Stat() (res string, err error) {
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if _, err := app.conn.Write([]byte("STAT\n")); err != nil {
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return "", err
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}
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var str strings.Builder
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for range 3 {
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if !app.scanner.Scan() {
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return "", app.scanner.Err()
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}
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str.Write(app.scanner.Bytes())
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str.WriteRune(' ')
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}
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return str.String(), nil
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}
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func (app *App) Send(data string) (num int, err error) {
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if _, err := fmt.Fprintf(app.conn, "SEND %s\n", data); err != nil {
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return 0, err
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}
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if !app.scanner.Scan() {
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return 0, app.scanner.Err()
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}
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numRaw := app.scanner.Text()
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num, err = strconv.Atoi(numRaw)
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if err != nil {
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return 0, err
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}
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return num, nil
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}
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func (app *App) Poll(since int) (num int, err error) {
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if _, err := fmt.Fprintf(app.conn, "POLL %d\n", since); err != nil {
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return 0, err
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}
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if !app.scanner.Scan() {
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return 0, app.scanner.Err()
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}
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numRaw := app.scanner.Text()
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num, err = strconv.Atoi(numRaw)
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if err != nil {
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return 0, err
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}
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return num, nil
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}
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func (app *App) Last(n int) (num int, err error) {
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if n == 0 {
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return 0, nil
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}
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if _, err := fmt.Fprintf(app.conn, "LAST %d\n", n); err != nil {
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return 0, err
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}
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var nsrv int
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if !app.scanner.Scan() {
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return 0, app.scanner.Err()
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}
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nsrvRaw := app.scanner.Text()
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nsrv, err = strconv.Atoi(nsrvRaw)
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if err != nil {
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return 0, err
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}
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if nsrv != 0 {
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for range nsrv {
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if !app.scanner.Scan() {
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return 0, app.scanner.Err()
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}
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app.incoming <- Message(app.scanner.Text())
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}
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}
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var last int
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if !app.scanner.Scan() {
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return 0, app.scanner.Err()
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}
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lastRaw := app.scanner.Text()
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last, err = strconv.Atoi(lastRaw)
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if err != nil {
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return 0, err
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}
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app.incoming <- Last(last)
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return nsrv, nil
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}
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