github.com/cloudwego/hertz@v0.9.3/pkg/app/server/registry/registry.go (about)

     1  /*
     2   * Copyright 2022 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 registry
    18  
    19  import "net"
    20  
    21  const (
    22  	DefaultWeight = 10
    23  )
    24  
    25  // Registry is extension interface of service registry.
    26  type Registry interface {
    27  	Register(info *Info) error
    28  	Deregister(info *Info) error
    29  }
    30  
    31  // Info is used for registry.
    32  // The fields are just suggested, which is used depends on design.
    33  type Info struct {
    34  	// ServiceName will be set in hertz by default
    35  	ServiceName string
    36  	// Addr will be set in hertz by default
    37  	Addr net.Addr
    38  	// Weight will be set in hertz by default
    39  	Weight int
    40  	// extend other infos with Tags.
    41  	Tags map[string]string
    42  }
    43  
    44  // NoopRegistry is an empty implement of Registry
    45  var NoopRegistry Registry = &noopRegistry{}
    46  
    47  // NoopRegistry
    48  type noopRegistry struct{}
    49  
    50  func (e noopRegistry) Register(*Info) error {
    51  	return nil
    52  }
    53  
    54  func (e noopRegistry) Deregister(*Info) error {
    55  	return nil
    56  }