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Crude request parallelization

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Yuriy Glukhov 2019-05-10 00:12:30 +08:00 committed by zah
parent e5047d93a4
commit a0d4c3432f
1 changed files with 13 additions and 11 deletions
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24
beacon_chain/request_manager.nim
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@ -21,15 +21,17 @@ proc fetchAncestorBlocks*(requestManager: RequestManager,
# * Keep track of the average latency of each peer # * Keep track of the average latency of each peer
# (we can give priority to peers with better latency) # (we can give priority to peers with better latency)
# #
# * Make more parallel requests, just in case
#
let peer = requestManager.network.randomPeerWith(BeaconSync)
if peer != nil:
var response = peer.getAncestorBlocks(roots)
response.addCallback do (arg: pointer):
if not response.failed and response.read.isSome:
for blk in response.read.get.blocks:
responseHandler(blk)
else:
debug "Failed to obtain ancestor blocks from peer", peer
const ParallelRequests = 2
var fetchComplete = false
for peer in requestManager.network.randomPeers(ParallelRequests, BeaconSync):
closureScope:
let response = peer.getAncestorBlocks(roots)
response.addCallback do(arg: pointer):
if not response.failed and response.read.isSome and not fetchComplete:
fetchComplete = true
for blk in response.read.get.blocks:
responseHandler(blk)
else:
debug "Failed to obtain ancestor blocks from peer", peer