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Jack Robison 2019-01-28 17:24:55 -05:00
parent 305034ffb2
commit 2a7d80f8b4
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1 changed files with 16 additions and 12 deletions
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28
lbrynet/blob_exchange/client.py
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@ -59,37 +59,40 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
async def _download_blob(self) -> typing.Tuple[bool, bool]:
request = BlobRequest.make_request_for_blob_hash(self.blob.blob_hash)
try:
self.transport.write(request.serialize())
msg = request.serialize()
log.debug("send request to %s:%i -> %s", self.peer_address, self.peer_port, msg.decode())
self.transport.write(msg)
response: BlobResponse = await asyncio.wait_for(self._response_fut, self.peer_timeout, loop=self.loop)
availability_response = response.get_availability_response()
price_response = response.get_price_response()
blob_response = response.get_blob_response()
if (not blob_response or blob_response.error) and\
(not availability_response or not availability_response.available_blobs):
log.warning("blob not in availability response")
log.warning("blob not in availability response from %s:%i", self.peer_address, self.peer_port)
return False, True
elif availability_response.available_blobs and \
availability_response.available_blobs != [self.blob.blob_hash]:
log.warning("blob availability response doesn't match our request")
log.warning("blob availability response doesn't match our request from %s:%i",
self.peer_address, self.peer_port)
return False, False
if not price_response or price_response.blob_data_payment_rate != 'RATE_ACCEPTED':
log.warning("data rate rejected")
log.warning("data rate rejected by %s:%i", self.peer_address, self.peer_port)
return False, False
if not blob_response or blob_response.error:
log.warning("blob cant be downloaded from this peer")
log.warning("blob cant be downloaded from %s:%i", self.peer_address, self.peer_port)
return False, True
if not blob_response.error and blob_response.blob_hash != self.blob.blob_hash:
log.warning("incoming blob hash mismatch")
log.warning("incoming blob hash mismatch from %s:%i", self.peer_address, self.peer_port)
return False, False
if self.blob.length is not None and self.blob.length != blob_response.length:
log.warning("incoming blob unexpected length")
log.warning("incoming blob unexpected length from %s:%i", self.peer_address, self.peer_port)
return False, False
msg = f"downloading {self.blob.blob_hash[:8]} from {self.peer_address}:{self.peer_port}," \
f" timeout in {self.peer_timeout}"
log.info(msg)
log.debug(msg)
await asyncio.wait_for(self.writer.finished, self.peer_timeout, loop=self.loop)
await self.blob.finished_writing.wait()
msg = f"downloaded {self.blob.blob_hash[:8]} from {self.peer_address}"
msg = f"downloaded {self.blob.blob_hash[:8]} from {self.peer_address}:{self.peer_port}"
log.info(msg)
return True, True
except asyncio.CancelledError:
@ -127,7 +130,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
self._response_fut = asyncio.Future(loop=self.loop)
return await self._download_blob()
except OSError:
log.error("race happened")
log.error("race happened downloading from %s:%i", self.peer_address, self.peer_port)
# i'm not sure how to fix this race condition - jack
return False, True
except asyncio.TimeoutError:
@ -142,10 +145,11 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
def connection_made(self, transport: asyncio.Transport):
self.transport = transport
self.peer_address, self.peer_port = self.transport.get_extra_info('peername')
# log.info("connection made to %s: %s", self.peer_address, transport)
log.debug("connection made to %s:%i", self.peer_address, self.peer_port)
def connection_lost(self, reason):
# log.info("connection lost to %s (reason: %s)", self.peer_address, reason)
log.debug("connection lost to %s:%i (reason: %s, %s)", self.peer_address, self.peer_port, str(reason),
str(type(reason)))
self.transport = None
self.loop.create_task(self.close())