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remove estimation endpoints as that is done over prometheus metrics now

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This commit is contained in:
Victor Shyba 2021-12-24 10:54:03 -03:00
parent fd9dcbf9a8
commit 8a1a1a4000
1 changed files with 0 additions and 26 deletions
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scripts/dht_node.py
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@ -22,7 +22,6 @@ class SimpleMetrics:
def __init__(self, port, node):
self.prometheus_port = port
self.dht_node: Node = node
self.active_estimation_semaphore = asyncio.Semaphore(1)
async def handle_metrics_get_request(self, _):
try:
@ -50,36 +49,11 @@ class SimpleMetrics:
writer.writerow({"blob_hash": blob.hex()})
return web.Response(text=out.getvalue(), content_type='text/csv')
async def active_estimation(self, _):
# - "crawls" the network for peers close to our node id (not a full aggressive crawler yet)
# given everything is random, the odds of a peer having the same X prefix bits matching ours is roughly 1/(2^X)
# we use that to estimate the network size, see issue #3463 for related papers and details
amount = 20_000
async with self.active_estimation_semaphore: # this is resource intensive, limit concurrency to 1
peers = await self.dht_node.peer_search(self.dht_node.protocol.node_id, count=amount, max_results=amount)
close_ids = [peer for peer in peers if peer.node_id[0] == self.dht_node.protocol.node_id[0]]
return web.json_response(
{"total_peers_found_during_estimation": len(peers),
"peers_with_the_same_byte_prefix": len(close_ids),
'estimated_network_size': len(close_ids) * 256})
async def passive_estimation(self, _):
# same method as above but instead we use the routing table and assume our implementation was able to add
# all the reachable close peers, which should be usable for seed nodes since they are super popular
peers = self.dht_node.protocol.routing_table.get_peers()
close_ids = [peer for peer in peers if peer.node_id[0] == self.dht_node.protocol.node_id[0]]
return web.json_response(
{"total_peers_found_during_estimation": len(peers),
"peers_with_the_same_byte_prefix": len(close_ids),
'estimated_network_size': len(close_ids) * 256})
async def start(self):
prom_app = web.Application()
prom_app.router.add_get('/metrics', self.handle_metrics_get_request)
prom_app.router.add_get('/peers.csv', self.handle_peers_csv)
prom_app.router.add_get('/blobs.csv', self.handle_blobs_csv)
prom_app.router.add_get('/active_estimation', self.active_estimation)
prom_app.router.add_get('/passive_estimation', self.passive_estimation)
metrics_runner = web.AppRunner(prom_app)
await metrics_runner.setup()
prom_site = web.TCPSite(metrics_runner, "0.0.0.0", self.prometheus_port)