func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) {
// TODO: garbage. pool sorters like http1? hot path for 1 key?
if keys == nil {
keys = make([]string, 0, len(h))
for k := range h {
keys = append(keys, k)
}
sort.Strings(keys)
}
for _, k := range keys {
vv := h[k]
k = lowerHeader(k)
isTE := k == "transfer-encoding"
for _, v := range vv {
// TODO: more of "8.1.2.2 Connection-Specific Header Fields"
if isTE && v != "trailers" {
continue
}
enc.WriteField(hpack.HeaderField{Name: k, Value: v})
}
}
}
func encKV(enc *hpack.Encoder, k, v string) {
if VerboseLogs {
log.Printf("http2: server encoding header %q = %q", k, v)
}
enc.WriteField(hpack.HeaderField{Name: k, Value: v})
}