dubbo.apache.org/dubbo-go/v3@v3.1.1/protocol/grpc/grpc_exporter.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 grpc
    19  
    20  import (
    21  	"sync"
    22  )
    23  
    24  import (
    25  	"github.com/dubbogo/gost/log/logger"
    26  )
    27  
    28  import (
    29  	"dubbo.apache.org/dubbo-go/v3/common"
    30  	"dubbo.apache.org/dubbo-go/v3/common/constant"
    31  	"dubbo.apache.org/dubbo-go/v3/protocol"
    32  )
    33  
    34  // nolint
    35  type GrpcExporter struct {
    36  	*protocol.BaseExporter
    37  }
    38  
    39  // NewGrpcExporter creates a new gRPC exporter
    40  func NewGrpcExporter(key string, invoker protocol.Invoker, exporterMap *sync.Map) *GrpcExporter {
    41  	return &GrpcExporter{
    42  		BaseExporter: protocol.NewBaseExporter(key, invoker, exporterMap),
    43  	}
    44  }
    45  
    46  // Unexport and unregister gRPC service from registry and memory.
    47  func (gg *GrpcExporter) UnExport() {
    48  	interfaceName := gg.GetInvoker().GetURL().GetParam(constant.InterfaceKey, "")
    49  	gg.BaseExporter.UnExport()
    50  	err := common.ServiceMap.UnRegister(interfaceName, GRPC, gg.GetInvoker().GetURL().ServiceKey())
    51  	if err != nil {
    52  		logger.Errorf("[GrpcExporter.UnExport] error: %v", err)
    53  	}
    54  }