dubbo.apache.org/dubbo-go/v3@v3.1.1/remoting/codec.go (about)

     1  /*
     2   * Licensed to the Apache Software Foundation (ASF) under one or more
     3   * contributor license agreements.  See the NOTICE file distributed with
     4   * this work for additional information regarding copyright ownership.
     5   * The ASF licenses this file to You under the Apache License, Version 2.0
     6   * (the "License"); you may not use this file except in compliance with
     7   * the License.  You may obtain a copy of the License at
     8   *
     9   *     http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   */
    17  
    18  package remoting
    19  
    20  import (
    21  	"bytes"
    22  )
    23  
    24  // Codec is the interface that wrap EncodeRequest、 EncodeResponse and Decode method
    25  // for exchangeClient.
    26  type Codec interface {
    27  	EncodeRequest(request *Request) (*bytes.Buffer, error)
    28  	EncodeResponse(response *Response) (*bytes.Buffer, error)
    29  	Decode(data []byte) (*DecodeResult, int, error)
    30  }
    31  
    32  type DecodeResult struct {
    33  	IsRequest bool // indicates whether the current request is a heartbeat request
    34  	Result    interface{}
    35  }
    36  
    37  var codec = make(map[string]Codec, 2)
    38  
    39  func RegistryCodec(protocol string, codecTmp Codec) {
    40  	codec[protocol] = codecTmp
    41  }
    42  
    43  func GetCodec(protocol string) Codec {
    44  	return codec[protocol]
    45  }