consul/test-integ/topoutil/http2.go

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// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: BUSL-1.1
package topoutil
import (
"context"
"crypto/tls"
"net"
"net/http"
"golang.org/x/net/http2"
)
// EnableHTTP2 returns a new shallow copy of client that has been tweaked to do
// h2c (cleartext http2).
//
// Note that this clears the Client.Transport.Proxy trick because http2 and
// http proxies are incompatible currently in Go.
func EnableHTTP2(client *http.Client) *http.Client {
// Shallow copy, and swap the transport
client2 := *client
client = &client2
client.Transport = &http2.Transport{
AllowHTTP: true,
DialTLSContext: func(ctx context.Context, network, addr string, _ *tls.Config) (net.Conn, error) {
var d net.Dialer
return d.DialContext(ctx, network, addr)
},
}
return client
}