github.com/daragao/go-ethereum@v1.8.14-0.20180809141559-45eaef243198/swarm/storage/common.go (about)

     1  // Copyright 2018 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  package storage
    17  
    18  import (
    19  	"context"
    20  	"sync"
    21  
    22  	"github.com/ethereum/go-ethereum/swarm/log"
    23  )
    24  
    25  // PutChunks adds chunks  to localstore
    26  // It waits for receive on the stored channel
    27  // It logs but does not fail on delivery error
    28  func PutChunks(store *LocalStore, chunks ...*Chunk) {
    29  	wg := sync.WaitGroup{}
    30  	wg.Add(len(chunks))
    31  	go func() {
    32  		for _, c := range chunks {
    33  			<-c.dbStoredC
    34  			if err := c.GetErrored(); err != nil {
    35  				log.Error("chunk store fail", "err", err, "key", c.Addr)
    36  			}
    37  			wg.Done()
    38  		}
    39  	}()
    40  	for _, c := range chunks {
    41  		go store.Put(context.TODO(), c)
    42  	}
    43  	wg.Wait()
    44  }