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backoff.go
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backoff.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package service
import (
"context"
"time"
micro "github.com/micro/go-micro"
"github.com/micro/go-micro/client"
)
func backOffStraightAway(ctx context.Context, req client.Request, attempts int) (time.Duration, error) {
return time.Duration(0), nil
}
type backoffWrapper struct {
client.Client
}
func (c *backoffWrapper) Call(ctx context.Context, req client.Request, rsp interface{}, opts ...client.CallOption) error {
opts = append(opts, client.WithBackoff(backOffStraightAway))
return c.Client.Call(ctx, req, rsp, opts...)
}
// NewBackoffClientWrapper wraps a client with a backoff option
func NewBackoffClientWrapper() client.Wrapper {
return func(c client.Client) client.Client {
return &backoffWrapper{c}
}
}
func newBackoffer(service micro.Service) {
var options []micro.Option
options = append(options, micro.WrapClient(NewBackoffClientWrapper()))
service.Init(options...)
}