github.com/cloudwego/kitex@v0.9.0/pkg/remote/trans/invoke/conn_extension.go (about)

     1  /*
     2   * Copyright 2021 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package invoke
    18  
    19  import (
    20  	"context"
    21  	"net"
    22  
    23  	"github.com/cloudwego/kitex/pkg/remote"
    24  	"github.com/cloudwego/kitex/pkg/remote/trans"
    25  	"github.com/cloudwego/kitex/pkg/rpcinfo"
    26  )
    27  
    28  func newIvkConnExtension() trans.Extension {
    29  	return &ivkConnExtension{}
    30  }
    31  
    32  type ivkConnExtension struct{}
    33  
    34  // SetReadTimeout implements the trans.Extension interface.
    35  func (e *ivkConnExtension) SetReadTimeout(ctx context.Context, conn net.Conn, cfg rpcinfo.RPCConfig, role remote.RPCRole) {
    36  	// do nothing
    37  }
    38  
    39  // NewWriteByteBuffer implements the trans.Extension interface.
    40  func (e *ivkConnExtension) NewWriteByteBuffer(ctx context.Context, conn net.Conn, msg remote.Message) remote.ByteBuffer {
    41  	return conn.(Message).GetResponseWriterByteBuffer()
    42  }
    43  
    44  // NewReadByteBuffer implements the trans.Extension interface.
    45  func (e *ivkConnExtension) NewReadByteBuffer(ctx context.Context, conn net.Conn, msg remote.Message) remote.ByteBuffer {
    46  	return conn.(Message).GetRequestReaderByteBuffer()
    47  }
    48  
    49  // ReleaseBuffer implements the trans.Extension interface.
    50  func (e *ivkConnExtension) ReleaseBuffer(remote.ByteBuffer, error) error {
    51  	// do nothing, user will keep buffer
    52  	return nil
    53  }
    54  
    55  // IsTimeoutErr implements the trans.Extension interface.
    56  func (e *ivkConnExtension) IsTimeoutErr(err error) bool {
    57  	return false
    58  }
    59  
    60  // IsRemoteClosedErr implements the trans.Extension interface.
    61  func (e *ivkConnExtension) IsRemoteClosedErr(err error) bool {
    62  	return false
    63  }