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internal_response_writer.go
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/
internal_response_writer.go
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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"
"github.com/newrelic/go-agent/internal"
)
func (thd *thread) CloseNotify() <-chan bool {
return thd.txn.getWriter().(http.CloseNotifier).CloseNotify()
}
func (thd *thread) Flush() {
thd.txn.getWriter().(http.Flusher).Flush()
}
func (thd *thread) Hijack() (net.Conn, *bufio.ReadWriter, error) {
return thd.txn.getWriter().(http.Hijacker).Hijack()
}
func (thd *thread) ReadFrom(r io.Reader) (int64, error) {
return thd.txn.getWriter().(io.ReaderFrom).ReadFrom(r)
}
type threadWithExtras interface {
Transaction
internal.AddAgentAttributer
internal.AddAgentSpanAttributer
}
func upgradeTxn(thd *thread) Transaction {
// Note that thd.txn.getWriter() is not used here. The transaction is
// locked (or under construction) when this function is used.
// 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 := thd.txn.writer.(http.CloseNotifier); ok {
interfaceSet |= i0
}
if _, ok := thd.txn.writer.(http.Flusher); ok {
interfaceSet |= i1
}
if _, ok := thd.txn.writer.(http.Hijacker); ok {
interfaceSet |= i2
}
if _, ok := thd.txn.writer.(io.ReaderFrom); ok {
interfaceSet |= i3
}
switch interfaceSet {
default: // No optional interfaces implemented
return struct {
threadWithExtras
}{thd}
case i0:
return struct {
threadWithExtras
http.CloseNotifier
}{thd, thd}
case i1:
return struct {
threadWithExtras
http.Flusher
}{thd, thd}
case i0 | i1:
return struct {
threadWithExtras
http.CloseNotifier
http.Flusher
}{thd, thd, thd}
case i2:
return struct {
threadWithExtras
http.Hijacker
}{thd, thd}
case i0 | i2:
return struct {
threadWithExtras
http.CloseNotifier
http.Hijacker
}{thd, thd, thd}
case i1 | i2:
return struct {
threadWithExtras
http.Flusher
http.Hijacker
}{thd, thd, thd}
case i0 | i1 | i2:
return struct {
threadWithExtras
http.CloseNotifier
http.Flusher
http.Hijacker
}{thd, thd, thd, thd}
case i3:
return struct {
threadWithExtras
io.ReaderFrom
}{thd, thd}
case i0 | i3:
return struct {
threadWithExtras
http.CloseNotifier
io.ReaderFrom
}{thd, thd, thd}
case i1 | i3:
return struct {
threadWithExtras
http.Flusher
io.ReaderFrom
}{thd, thd, thd}
case i0 | i1 | i3:
return struct {
threadWithExtras
http.CloseNotifier
http.Flusher
io.ReaderFrom
}{thd, thd, thd, thd}
case i2 | i3:
return struct {
threadWithExtras
http.Hijacker
io.ReaderFrom
}{thd, thd, thd}
case i0 | i2 | i3:
return struct {
threadWithExtras
http.CloseNotifier
http.Hijacker
io.ReaderFrom
}{thd, thd, thd, thd}
case i1 | i2 | i3:
return struct {
threadWithExtras
http.Flusher
http.Hijacker
io.ReaderFrom
}{thd, thd, thd, thd}
case i0 | i1 | i2 | i3:
return struct {
threadWithExtras
http.CloseNotifier
http.Flusher
http.Hijacker
io.ReaderFrom
}{thd, thd, thd, thd, thd}
}
}