/
transport.go
68 lines (55 loc) · 1.13 KB
/
transport.go
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package netutil
import (
"crypto/tls"
"net"
"net/http"
"golang.org/x/net/http2"
)
var (
_ http.RoundTripper = &Transport{}
)
type TransportOpt struct {
Trailer []string
AllowHTTP bool
TLSClientConfig *tls.Config
}
func NewTransport(opt TransportOpt) *Transport {
h2t := &http2.Transport{
AllowHTTP: opt.AllowHTTP,
TLSClientConfig: opt.TLSClientConfig,
DialTLS: func(network, addr string, cfg *tls.Config) (net.Conn, error) {
conn, err := net.Dial(network, addr)
if err != nil {
return nil, err
}
if opt.TLSClientConfig != nil {
conn = tls.Client(conn, cfg)
}
return conn, nil
},
}
return &Transport{
opt: opt,
h2t: h2t,
}
}
type Transport struct {
opt TransportOpt
h2t *http2.Transport
}
func (this *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
resp, err := this.h2t.RoundTrip(req)
if err != nil {
return nil, err
}
if len(this.opt.Trailer) > 0 {
if resp.Trailer == nil {
resp.Trailer = http.Header{}
}
for _, key := range this.opt.Trailer {
value := resp.Header.Get(key)
resp.Trailer.Set(key, value)
}
}
return resp, nil
}