/
http2.go
84 lines (69 loc) · 2.52 KB
/
http2.go
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package conv
import (
"context"
"errors"
"sofastack.io/sofa-mosn/pkg/protocol"
"sofastack.io/sofa-mosn/pkg/protocol/http2"
"sofastack.io/sofa-mosn/pkg/types"
)
func init() {
protocol.RegisterCommonConv(protocol.HTTP2, &common2http{}, &http2common{})
}
// common -> http2 converter
type common2http struct{}
func (c *common2http) ConvHeader(ctx context.Context, headerMap types.HeaderMap) (types.HeaderMap, error) {
if header, ok := headerMap.(protocol.CommonHeader); ok {
cheader := make(map[string]string, len(header))
delete(header, protocol.MosnHeaderDirection)
// copy headers
for k, v := range header {
cheader[k] = v
}
return protocol.CommonHeader(cheader), nil
}
return nil, errors.New("header type not supported")
}
func (c *common2http) ConvData(ctx context.Context, buffer types.IoBuffer) (types.IoBuffer, error) {
return buffer, nil
}
func (c *common2http) ConvTrailer(ctx context.Context, headerMap types.HeaderMap) (types.HeaderMap, error) {
return headerMap, nil
}
// http2 -> common converter
type http2common struct{}
func (c *http2common) ConvHeader(ctx context.Context, headerMap types.HeaderMap) (types.HeaderMap, error) {
headers := http2.DecodeHeader(headerMap)
direction := ""
switch headerMap.(type) {
case *http2.ReqHeader:
direction = protocol.Request
case *http2.RspHeader:
direction = protocol.Response
default:
return nil, errors.New("header type not supported")
}
headers.Set(protocol.MosnHeaderDirection, direction)
return headers, nil
}
func (c *http2common) ConvData(ctx context.Context, buffer types.IoBuffer) (types.IoBuffer, error) {
return buffer, nil
}
func (c *http2common) ConvTrailer(ctx context.Context, headerMap types.HeaderMap) (types.HeaderMap, error) {
return headerMap, nil
}