diff options
| -rw-r--r-- | eth/downloader/downloader.go | 10 | ||||
| -rw-r--r-- | eth/downloader/downloader_test.go | 2 | ||||
| -rw-r--r-- | eth/downloader/queue.go | 2 | ||||
| -rw-r--r-- | eth/handler.go | 6 | ||||
| -rw-r--r-- | eth/peer.go | 5 | ||||
| -rw-r--r-- | eth/protocol.go | 2 |
6 files changed, 14 insertions, 13 deletions
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go index f0629a551..fd588d2f3 100644 --- a/eth/downloader/downloader.go +++ b/eth/downloader/downloader.go @@ -15,8 +15,10 @@ import ( ) const ( - maxHashFetch = 512 // Amount of hashes to be fetched per chunk - maxBlockFetch = 128 // Amount of blocks to be fetched per chunk + MinHashFetch = 512 // Minimum amount of hashes to not consider a peer stalling + MaxHashFetch = 2048 // Amount of hashes to be fetched per retrieval request + MaxBlockFetch = 128 // Amount of blocks to be fetched per retrieval request + peerCountTimeout = 12 * time.Second // Amount of time it takes for the peer handler to ignore minDesiredPeerCount hashTTL = 5 * time.Second // Time it takes for a hash request to time out ) @@ -290,7 +292,7 @@ func (d *Downloader) fetchHashes(p *peer, h common.Hash) error { } if !done { // Check that the peer is not stalling the sync - if len(inserts) < maxHashFetch { + if len(inserts) < MinHashFetch { return ErrStallingPeer } // Try and fetch a random block to verify the hash batch @@ -451,7 +453,7 @@ out: } // Get a possible chunk. If nil is returned no chunk // could be returned due to no hashes available. - request := d.queue.Reserve(peer, maxBlockFetch) + request := d.queue.Reserve(peer, MaxBlockFetch) if request == nil { continue } diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go index d623a7c76..6299ea162 100644 --- a/eth/downloader/downloader_test.go +++ b/eth/downloader/downloader_test.go @@ -135,7 +135,7 @@ func (dl *downloadTester) getBlock(hash common.Hash) *types.Block { // getHashes retrieves a batch of hashes for reconstructing the chain. func (dl *downloadTester) getHashes(head common.Hash) error { - limit := maxHashFetch + limit := MaxHashFetch if dl.maxHashFetch > 0 { limit = dl.maxHashFetch } diff --git a/eth/downloader/queue.go b/eth/downloader/queue.go index 13ec9a520..591a37773 100644 --- a/eth/downloader/queue.go +++ b/eth/downloader/queue.go @@ -17,7 +17,7 @@ import ( ) const ( - blockCacheLimit = 1024 // Maximum number of blocks to cache before throttling the download + blockCacheLimit = 8 * MaxBlockFetch // Maximum number of blocks to cache before throttling the download ) // fetchRequest is a currently running block retrieval operation. diff --git a/eth/handler.go b/eth/handler.go index 835097d84..63b1d50f6 100644 --- a/eth/handler.go +++ b/eth/handler.go @@ -206,8 +206,8 @@ func (self *ProtocolManager) handleMsg(p *peer) error { return errResp(ErrDecode, "->msg %v: %v", msg, err) } - if request.Amount > maxHashes { - request.Amount = maxHashes + if request.Amount > downloader.MaxHashFetch { + request.Amount = downloader.MaxHashFetch } hashes := self.chainman.GetBlockHashesFromHash(request.Hash, request.Amount) @@ -254,7 +254,7 @@ func (self *ProtocolManager) handleMsg(p *peer) error { if block != nil { blocks = append(blocks, block) } - if i == maxBlocks { + if i == downloader.MaxBlockFetch { break } } diff --git a/eth/peer.go b/eth/peer.go index a23449acd..1ef032d38 100644 --- a/eth/peer.go +++ b/eth/peer.go @@ -8,6 +8,7 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/eth/downloader" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/p2p" @@ -100,8 +101,8 @@ func (p *peer) sendTransaction(tx *types.Transaction) error { } func (p *peer) requestHashes(from common.Hash) error { - glog.V(logger.Debug).Infof("[%s] fetching hashes (%d) %x...\n", p.id, maxHashes, from[:4]) - return p2p.Send(p.rw, GetBlockHashesMsg, getBlockHashesMsgData{from, maxHashes}) + glog.V(logger.Debug).Infof("[%s] fetching hashes (%d) %x...\n", p.id, downloader.MaxHashFetch, from[:4]) + return p2p.Send(p.rw, GetBlockHashesMsg, getBlockHashesMsgData{from, downloader.MaxHashFetch}) } func (p *peer) requestBlocks(hashes []common.Hash) error { diff --git a/eth/protocol.go b/eth/protocol.go index 48f37b59c..948051ed1 100644 --- a/eth/protocol.go +++ b/eth/protocol.go @@ -12,8 +12,6 @@ const ( NetworkId = 0 ProtocolLength = uint64(8) ProtocolMaxMsgSize = 10 * 1024 * 1024 - maxHashes = 512 - maxBlocks = 128 ) // eth protocol message codes |