github.com/matrixorigin/matrixone@v1.2.0/pkg/vm/engine/tae/common/retry.go (about)

     1  // Copyright 2022 Matrix Origin
     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 common
    16  
    17  import (
    18  	"context"
    19  	"time"
    20  
    21  	"github.com/matrixorigin/matrixone/pkg/common/moerr"
    22  )
    23  
    24  type RetryOp = func() error
    25  type WaitOp = func() (ok bool, err error)
    26  
    27  func RetryWithIntervalAndTimeout(
    28  	op WaitOp,
    29  	timeout time.Duration,
    30  	interval time.Duration, suppressTimout bool) (err error) {
    31  
    32  	ctx, cancel := context.WithTimeout(context.Background(), timeout)
    33  	defer cancel()
    34  
    35  	ticker := time.NewTicker(interval)
    36  	defer ticker.Stop()
    37  
    38  	var ok bool
    39  	ok, err = op()
    40  	if ok {
    41  		return
    42  	}
    43  
    44  	for {
    45  		select {
    46  		case <-ctx.Done():
    47  			if suppressTimout {
    48  				return moerr.GetOkExpectedEOB()
    49  			}
    50  			return moerr.NewInternalError(ctx, "timeout")
    51  		case <-ticker.C:
    52  			ok, err = op()
    53  			if ok {
    54  				return
    55  			}
    56  		}
    57  	}
    58  }