pkg/core/backend/api.go

// Licensed to Apache Software Foundation (ASF) under one or more contributor
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// the Apache License, Version 2.0 (the "License"); you may
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// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
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// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package backend

import "google.golang.org/grpc"

type ConnectionStatus int8

const (
	_ ConnectionStatus = iota
	Connected
	Disconnect
)

type Operator interface {
	// GetConnection of rover to backend server
	GetConnection() grpc.ClientConnInterface
	// GetConnectionStatus of connection
	GetConnectionStatus() ConnectionStatus
	// RegisterListener of connection status change
	RegisterListener() chan<- ConnectionStatus
}