func()

in internal/proxy/proxy.go [676:731]

• 46 lines of code
• 14 McCabe index (conditional complexity)

func (c *Client) Close() error {
	mnts := c.mnts
	var mErr MultiErr

	// If FUSE is enabled, unmount it and save a reference to any existing
	// socket mounts.
	if c.fuseDir != "" {
		if err := c.unmountFUSE(); err != nil {
			mErr = append(mErr, err)
		}
		mnts = c.fuseMounts()
	}

	// Close the dialer to prevent any additional refreshes.
	cErr := c.dialer.Close()
	if cErr != nil {
		mErr = append(mErr, cErr)
	}

	// Start a timer for clean shutdown (where all connections are closed).
	// While the timer runs, additional connections will be accepted.
	timeout := time.After(c.conf.WaitOnClose)
	t := time.NewTicker(100 * time.Millisecond)
	defer t.Stop()
	for {
		select {
		case <-t.C:
			if atomic.LoadUint64(&c.connCount) > 0 {
				continue
			}
		case <-timeout:
		}
		break
	}
	// Close all open socket listeners. Time to complete shutdown.
	for _, m := range mnts {
		err := m.Close()
		if err != nil {
			mErr = append(mErr, err)
		}
	}
	if c.fuseDir != "" {
		c.waitForFUSEMounts()
	}
	// Verify that all connections are closed.
	open := atomic.LoadUint64(&c.connCount)
	if c.conf.WaitOnClose > 0 && open > 0 {
		openErr := fmt.Errorf(
			"%d connection(s) still open after waiting %v", open, c.conf.WaitOnClose)
		mErr = append(mErr, openErr)
	}
	if len(mErr) > 0 {
		return mErr
	}
	return nil
}