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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package newrelic
import (
"bufio"
"io"
"net"
"net/http"
)
type replacementResponseWriter struct {
thd *thread
original http.ResponseWriter
}
func (rw *replacementResponseWriter) Header() http.Header {
return rw.original.Header()
}
func (rw *replacementResponseWriter) Write(b []byte) (n int, err error) {
hdr := rw.original.Header()
// This is safe to call unconditionally, even if Write() is called multiple
// times; see also the commentary in addCrossProcessHeaders().
addCrossProcessHeaders(rw.thd.txn, hdr)
n, err = rw.original.Write(b)
headersJustWritten(rw.thd, http.StatusOK, hdr)
return
}
func (rw *replacementResponseWriter) WriteHeader(code int) {
hdr := rw.original.Header()
addCrossProcessHeaders(rw.thd.txn, hdr)
rw.original.WriteHeader(code)
headersJustWritten(rw.thd, code, hdr)
}
func (rw *replacementResponseWriter) CloseNotify() <-chan bool {
return rw.original.(http.CloseNotifier).CloseNotify()
}
func (rw *replacementResponseWriter) Flush() {
rw.original.(http.Flusher).Flush()
}
func (rw *replacementResponseWriter) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return rw.original.(http.Hijacker).Hijack()
}
func (rw *replacementResponseWriter) ReadFrom(r io.Reader) (int64, error) {
return rw.original.(io.ReaderFrom).ReadFrom(r)
}
func upgradeResponseWriter(rw *replacementResponseWriter) http.ResponseWriter {
// GENERATED CODE DO NOT MODIFY
// This code generated by internal/tools/interface-wrapping
var (
i0 int32 = 1 << 0
i1 int32 = 1 << 1
i2 int32 = 1 << 2
i3 int32 = 1 << 3
)
var interfaceSet int32
if _, ok := rw.original.(http.CloseNotifier); ok {
interfaceSet |= i0
}
if _, ok := rw.original.(http.Flusher); ok {
interfaceSet |= i1
}
if _, ok := rw.original.(http.Hijacker); ok {
interfaceSet |= i2
}
if _, ok := rw.original.(io.ReaderFrom); ok {
interfaceSet |= i3
}
switch interfaceSet {
default: // No optional interfaces implemented
return struct {
http.ResponseWriter
}{rw}
case i0:
return struct {
http.ResponseWriter
http.CloseNotifier
}{rw, rw}
case i1:
return struct {
http.ResponseWriter
http.Flusher
}{rw, rw}
case i0 | i1:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Flusher
}{rw, rw, rw}
case i2:
return struct {
http.ResponseWriter
http.Hijacker
}{rw, rw}
case i0 | i2:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Hijacker
}{rw, rw, rw}
case i1 | i2:
return struct {
http.ResponseWriter
http.Flusher
http.Hijacker
}{rw, rw, rw}
case i0 | i1 | i2:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Flusher
http.Hijacker
}{rw, rw, rw, rw}
case i3:
return struct {
http.ResponseWriter
io.ReaderFrom
}{rw, rw}
case i0 | i3:
return struct {
http.ResponseWriter
http.CloseNotifier
io.ReaderFrom
}{rw, rw, rw}
case i1 | i3:
return struct {
http.ResponseWriter
http.Flusher
io.ReaderFrom
}{rw, rw, rw}
case i0 | i1 | i3:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Flusher
io.ReaderFrom
}{rw, rw, rw, rw}
case i2 | i3:
return struct {
http.ResponseWriter
http.Hijacker
io.ReaderFrom
}{rw, rw, rw}
case i0 | i2 | i3:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Hijacker
io.ReaderFrom
}{rw, rw, rw, rw}
case i1 | i2 | i3:
return struct {
http.ResponseWriter
http.Flusher
http.Hijacker
io.ReaderFrom
}{rw, rw, rw, rw}
case i0 | i1 | i2 | i3:
return struct {
http.ResponseWriter
http.CloseNotifier
http.Flusher
http.Hijacker
io.ReaderFrom
}{rw, rw, rw, rw, rw}
}
}
|
