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client: add WithConnectParams to configure connection backoff and timeout #2960
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32275fc
Implement missing pieces for connection backoff.
easwars f8b4003
Add comment for exported var DefaultExponential.
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,52 @@ | ||
/* | ||
* | ||
* Copyright 2019 gRPC authors. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* 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 "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
* | ||
*/ | ||
|
||
// Package backoff provides configuration options for backoff. | ||
// | ||
// More details can be found at: | ||
// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md. | ||
// | ||
// All APIs in this package are experimental. | ||
package backoff | ||
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import "time" | ||
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// Config defines the configuration options for backoff. | ||
type Config struct { | ||
// BaseDelay is the amount of time to backoff after the first failure. | ||
BaseDelay time.Duration | ||
// Multiplier is the factor with which to multiply backoffs after a | ||
// failed retry. Should ideally be greater than 1. | ||
Multiplier float64 | ||
// Jitter is the factor with which backoffs are randomized. | ||
Jitter float64 | ||
// MaxDelay is the upper bound of backoff delay. | ||
MaxDelay time.Duration | ||
} | ||
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// DefaultConfig is a backoff configuration with the default values specfied | ||
// at https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md. | ||
// | ||
// This should be useful for callers who want to configure backoff with | ||
// non-default values only for a subset of the options. | ||
var DefaultConfig = Config{ | ||
BaseDelay: 1.0 * time.Second, | ||
Multiplier: 1.6, | ||
Jitter: 0.2, | ||
MaxDelay: 120 * time.Second, | ||
} |
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Is this the best place to document our defaults?
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Made the comments a bit more verbose.