github.com/cloudwego/kitex@v0.9.0/pkg/remote/trans/detection/noop.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 detection
    18  
    19  import (
    20  	"context"
    21  	"net"
    22  
    23  	"github.com/cloudwego/kitex/pkg/endpoint"
    24  	"github.com/cloudwego/kitex/pkg/klog"
    25  	"github.com/cloudwego/kitex/pkg/remote"
    26  )
    27  
    28  var noopHandler = noopSvrTransHandler{}
    29  
    30  type noopSvrTransHandler struct{}
    31  
    32  func (noopSvrTransHandler) Write(ctx context.Context, conn net.Conn, send remote.Message) (nctx context.Context, err error) {
    33  	return ctx, nil
    34  }
    35  
    36  func (noopSvrTransHandler) Read(ctx context.Context, conn net.Conn, msg remote.Message) (nctx context.Context, err error) {
    37  	return ctx, nil
    38  }
    39  
    40  func (noopSvrTransHandler) OnRead(ctx context.Context, conn net.Conn) error {
    41  	return nil
    42  }
    43  func (noopSvrTransHandler) OnInactive(ctx context.Context, conn net.Conn) {}
    44  func (noopSvrTransHandler) OnError(ctx context.Context, err error, conn net.Conn) {
    45  	if conn != nil {
    46  		klog.CtxErrorf(ctx, "KITEX: processing error, remoteAddr=%v, error=%s", conn.RemoteAddr(), err.Error())
    47  	} else {
    48  		klog.CtxErrorf(ctx, "KITEX: processing error, error=%s", err.Error())
    49  	}
    50  }
    51  
    52  func (noopSvrTransHandler) OnMessage(ctx context.Context, args, result remote.Message) (context.Context, error) {
    53  	return ctx, nil
    54  }
    55  func (noopSvrTransHandler) SetPipeline(pipeline *remote.TransPipeline)       {}
    56  func (noopSvrTransHandler) SetInvokeHandleFunc(inkHdlFunc endpoint.Endpoint) {}
    57  func (noopSvrTransHandler) OnActive(ctx context.Context, conn net.Conn) (context.Context, error) {
    58  	return ctx, nil
    59  }