示例#1
0
func (t *Transport) getBodyWriterState(cs *clientStream, body io.Reader) (s bodyWriterState) {
	s.cs = cs
	if body == nil {
		return
	}
	resc := make(chan error, 1)
	s.resc = resc
	s.fn = func() {
		resc <- cs.writeRequestBody(body, cs.req.Body)
	}
	s.delay = t.expectContinueTimeout()
	if s.delay == 0 ||
		!httplex.HeaderValuesContainsToken(
			cs.req.Header["Expect"],
			"100-continue") {
		return
	}
	s.fnonce = new(sync.Once)

	// Arm the timer with a very large duration, which we'll
	// intentionally lower later. It has to be large now because
	// we need a handle to it before writing the headers, but the
	// s.delay value is defined to not start until after the
	// request headers were written.
	const hugeDuration = 365 * 24 * time.Hour
	s.timer = time.AfterFunc(hugeDuration, func() {
		s.fnonce.Do(s.fn)
	})
	return
}
示例#2
0
文件: transfer.go 项目: 2thetop/go
// Determine whether to hang up after sending a request and body, or
// receiving a response and body
// 'header' is the request headers
func shouldClose(major, minor int, header Header, removeCloseHeader bool) bool {
	if major < 1 {
		return true
	}

	conv := header["Connection"]
	hasClose := httplex.HeaderValuesContainsToken(conv, "close")
	if major == 1 && minor == 0 {
		return hasClose || !httplex.HeaderValuesContainsToken(conv, "keep-alive")
	}

	if hasClose && removeCloseHeader {
		header.Del("Connection")
	}

	return hasClose
}