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eth/downloader: delete blocks from queue

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obscuren
2015-04-30 17:51:47 +02:00
parent 15873fafc0
commit 8595198c1b
2 changed files with 15 additions and 3 deletions
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16
eth/downloader/downloader.go
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@ -354,6 +354,11 @@ func (d *Downloader) AddHashes(id string, hashes []common.Hash) error {
return fmt.Errorf("received hashes from %s while active peer is %s", id, d.activePeer)
}
if glog.V(logger.Detail) && len(hashes) != 0 {
from, to := hashes[0], hashes[len(hashes)-1]
glog.Infof("adding %d (T=%d) hashes [ %x / %x ] from: %s\n", len(hashes), d.queue.hashPool.Size(), from[:4], to[:4], id)
}
d.hashCh <- hashes
return nil
@ -448,10 +453,17 @@ func (d *Downloader) process(peer *peer) error {
return ErrBadPeer
}
blocks = blocks[max:]
// delete the blocks from the slice and let them be garbage collected
// without this slice trick the blocks would stay in memory until nil
// would be assigned to d.queue.blocks
copy(blocks, blocks[max:])
for k, n := len(blocks)-max, len(blocks); k < n; k++ {
blocks[k] = nil
}
blocks = blocks[:len(blocks)-max]
}
// This will allow the GC to remove the in memory blocks
if len(blocks) == 0 {
d.queue.blocks = nil
} else {