Exemplo n.º 1
0
// decodes an nntp message and writes it to a section of the file.
func decodeMsg(c *nntp.Conn, f *file, groups []string, MsgId string) {
	var err error
	defer f.Done()
	err = findGroup(c, groups)
	if err != nil {
		putBroken(c)
		fmt.Fprintln(os.Stderr, "nntp error:", err)
		return
	}
	rc, err := c.GetMessage(MsgId)
	if err != nil {
		fmt.Fprintln(os.Stderr, "nntp error getting", MsgId, ":", err)
		if _, ok := err.(*textproto.Error); ok {
			putConn(c)
		} else {
			putBroken(c)
		}
		return
	}
	putConn(c)

	yread, err := yenc.NewPart(bytes.NewReader(rc))
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		return
	}
	wr := f.WriterAt(yread.Begin)
	_, err = io.Copy(wr, yread)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
	}
}
Exemplo n.º 2
0
func findGroup(c *nntp.Conn, groups []string) error {
	var err error
	for _, g := range groups {
		err = c.SwitchGroup(g)
		if err == nil {
			return nil
		}
	}
	return err
}
Exemplo n.º 3
0
func putBroken(c *nntp.Conn) {
	c.Close()
	connMu.Lock()
	connNum--
	connMu.Unlock()
}