github.com/cockroachdb/cockroach@v20.2.0-alpha.1+incompatible/pkg/server/debug/pprofui/response_writer.go (about)

     1  // Copyright 2018 The Cockroach Authors.
     2  //
     3  // Use of this software is governed by the Business Source License
     4  // included in the file licenses/BSL.txt.
     5  //
     6  // As of the Change Date specified in that file, in accordance with
     7  // the Business Source License, use of this software will be governed
     8  // by the Apache License, Version 2.0, included in the file
     9  // licenses/APL.txt.
    10  
    11  package pprofui
    12  
    13  import (
    14  	"io"
    15  	"net/http"
    16  )
    17  
    18  // responseBridge is a helper for fetching from the pprof profile handlers.
    19  // Their interface wants a http.ResponseWriter, so we give it one. The writes
    20  // are passed through to an `io.Writer` of our choosing.
    21  type responseBridge struct {
    22  	target     io.Writer
    23  	statusCode int
    24  }
    25  
    26  var _ http.ResponseWriter = &responseBridge{}
    27  
    28  func (r *responseBridge) Header() http.Header {
    29  	return http.Header{}
    30  }
    31  
    32  func (r *responseBridge) Write(b []byte) (int, error) {
    33  	return r.target.Write(b)
    34  }
    35  
    36  func (r *responseBridge) WriteHeader(statusCode int) {
    37  	r.statusCode = statusCode
    38  }