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eth/downloader: preallocate the block cache

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Péter Szilágyi
2015-06-03 19:00:54 +03:00
parent 1d7bf3d39f
commit b40c796ff7
3 changed files with 14 additions and 21 deletions
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8
eth/downloader/downloader.go
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@ -341,12 +341,12 @@ func (d *Downloader) fetchHashes(p *peer, h common.Hash) error {
active.getHashes(head)
continue
}
// We're done, allocate the download cache and proceed pulling the blocks
// We're done, prepare the download cache and proceed pulling the blocks
offset := 0
if block := d.getBlock(head); block != nil {
offset = int(block.NumberU64() + 1)
}
d.queue.Alloc(offset)
d.queue.Prepare(offset)
finished = true
case blockPack := <-d.blockCh:
@ -504,7 +504,7 @@ out:
}
// Get a possible chunk. If nil is returned no chunk
// could be returned due to no hashes available.
request := d.queue.Reserve(peer)
request := d.queue.Reserve(peer, peer.Capacity())
if request == nil {
continue
}
@ -551,7 +551,7 @@ func (d *Downloader) banBlocks(peerId string, head common.Hash) error {
if peer == nil {
return nil
}
request := d.queue.Reserve(peer)
request := d.queue.Reserve(peer, MaxBlockFetch)
if request == nil {
return nil
}