github.com/Psiphon-Labs/net@v0.0.0-20191204183604-f5d60dada742/http2/go111.go (about)

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // +build go1.11
     6  
     7  package http2
     8  
     9  import (
    10  	"net/http/httptrace"
    11  	"net/textproto"
    12  )
    13  
    14  func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool {
    15  	return trace != nil && trace.WroteHeaderField != nil
    16  }
    17  
    18  func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {
    19  	if trace != nil && trace.WroteHeaderField != nil {
    20  		trace.WroteHeaderField(k, []string{v})
    21  	}
    22  }
    23  
    24  func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
    25  	if trace != nil {
    26  		return trace.Got1xxResponse
    27  	}
    28  	return nil
    29  }