Golang Conn.StartResponse方法代码示例

func cmd(c *textproto.Conn, expectedCode int, format string, args ...interface{}) error {
	id, err := c.Cmd(format, args...)
	if err != nil {
		return err
	}

	c.StartResponse(id)
	_, _, err = c.ReadResponse(expectedCode)
	c.EndResponse(id)

	return err
}

func CloseConn(conn *textproto.Conn) error {
	id, err := conn.Cmd("close")
	if err != nil {
		return err
	}
	conn.StartResponse(id)
	conn.EndResponse(id)
	err = conn.Close()
	if err != nil {
		return err
	}
	return nil
}

func (s *server) writeIdleResponse(p *textproto.Conn, id uint, quit chan bool, subsystems []string) {
	p.StartResponse(id)
	defer p.EndResponse(id)

	req := &idleRequest{
		endTokenc:  make(chan uint),
		eventc:     make(chan string, 1),
		subsystems: subsystems,
	}
	s.idleStartc <- req
	token := <-req.endTokenc
	select {
	case name := <-req.eventc:
		p.PrintfLine("changed: %s", name)
		p.PrintfLine("OK")
		<-quit
	case <-quit:
		p.PrintfLine("OK")
	}
	s.idleEndc <- token
}

// playScriptAgainst an existing connection, does not handle server greeting
func playScriptAgainst(t *testing.T, c *textproto.Conn, script []scriptStep) error {
	for i, step := range script {
		id, err := c.Cmd(step.send)
		if err != nil {
			return fmt.Errorf("Step %d, failed to send %q: %v", i, step.send, err)
		}

		c.StartResponse(id)
		code, msg, err := c.ReadResponse(step.expect)
		if err != nil {
			err = fmt.Errorf("Step %d, sent %q, expected %v, got %v: %q",
				i, step.send, step.expect, code, msg)
		}
		c.EndResponse(id)

		if err != nil {
			// Return after c.EndResponse so we don't hang the connection
			return err
		}
	}
	return nil
}

func (s *server) handleConnection(p *textproto.Conn) {
	id := p.Next()
	p.StartRequest(id)
	p.EndRequest(id)
	p.StartResponse(id)
	p.PrintfLine("OK MPD gompd0.1")
	p.EndResponse(id)

	endIdle := make(chan bool)
	inIdle := false
	defer p.Close()
	for {
		id := p.Next()
		p.StartRequest(id)
		req, err := s.readRequest(p)
		if err != nil {
			return
		}
		// We need to do this inside request because idle response
		// may not have ended yet, but it will end after the following.
		if inIdle {
			endIdle <- true
		}
		p.EndRequest(id)

		if req.typ == idle {
			inIdle = true
			go s.writeIdleResponse(p, id, endIdle, req.args[1:])
			// writeIdleResponse does it's own StartResponse/EndResponse
			continue
		}

		p.StartResponse(id)
		if inIdle {
			inIdle = false
		}
		switch req.typ {
		case noIdle:
		case commandListOk:
			var ok, closed bool
			ok = true
			for _, args := range req.cmdList {
				ok, closed = s.writeResponse(p, args, "list_OK")
				if closed {
					return
				}
				if !ok {
					break
				}
			}
			if ok {
				p.PrintfLine("OK")
			}
		case simple:
			if _, closed := s.writeResponse(p, req.args, "OK"); closed {
				return
			}
		}
		p.EndResponse(id)
	}
}