go.ligato.io/vpp-agent/v3@v3.5.0/examples/tutorials/08_grpc/cmd/client/main.go (about)

     1  //  Copyright (c) 2019 Cisco and/or its affiliates.
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at:
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"go.ligato.io/cn-infra/v2/agent"
    19  
    20  	"go.ligato.io/vpp-agent/v3/examples/tutorials/08_grpc/plugins/grpc"
    21  )
    22  
    23  func main() {
    24  	// Prepare the App instance
    25  	a := agent.NewAgent(
    26  		agent.AllPlugins(New()),
    27  	)
    28  
    29  	// Start the App
    30  	if err := a.Run(); err != nil {
    31  		panic(err)
    32  	}
    33  }
    34  
    35  // App represents application with the GRPC plugin
    36  type App struct {
    37  	GRPC *grpc.Client
    38  }
    39  
    40  // New starts new GRPC app
    41  func New() *App {
    42  	return &App{
    43  		GRPC: &grpc.DefaultPlugin,
    44  	}
    45  }
    46  
    47  // Init is empty, only to implement Plugin interface
    48  func (App) Init() error {
    49  	return nil
    50  }
    51  
    52  // Close is empty
    53  func (App) Close() error {
    54  	return nil
    55  }
    56  
    57  // String returns app plugin name
    58  func (App) String() string {
    59  	return "App-grpc-client"
    60  }