1/* 2 * 3 * Copyright 2017 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * 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 19// See internal/backoff package for the backoff implementation. This file is 20// kept for the exported types and API backward compatibility. 21 22package grpc 23 24import ( 25 "time" 26 27 "google.golang.org/grpc/backoff" 28) 29 30// DefaultBackoffConfig uses values specified for backoff in 31// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md. 32// 33// Deprecated: use ConnectParams instead. Will be supported throughout 1.x. 34var DefaultBackoffConfig = BackoffConfig{ 35 MaxDelay: 120 * time.Second, 36} 37 38// BackoffConfig defines the parameters for the default gRPC backoff strategy. 39// 40// Deprecated: use ConnectParams instead. Will be supported throughout 1.x. 41type BackoffConfig struct { 42 // MaxDelay is the upper bound of backoff delay. 43 MaxDelay time.Duration 44} 45 46// ConnectParams defines the parameters for connecting and retrying. Users are 47// encouraged to use this instead of the BackoffConfig type defined above. See 48// here for more details: 49// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md. 50// 51// Experimental 52// 53// Notice: This type is EXPERIMENTAL and may be changed or removed in a 54// later release. 55type ConnectParams struct { 56 // Backoff specifies the configuration options for connection backoff. 57 Backoff backoff.Config 58 // MinConnectTimeout is the minimum amount of time we are willing to give a 59 // connection to complete. 60 MinConnectTimeout time.Duration 61} 62