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574db4816f
Previously, each NodeConnCB had its own lock to synchronize data structures used by the testing thread and the networking thread, and NodeConn provided a separate additional lock for synchronizing access to each send buffer. This commit replaces those locks with a single global lock (mininode_lock) that we use to synchronize access to all data structures shared by the two threads. Updates comptool and maxblocksinflight to use the new synchronization semantics, eliminating previous race conditions within comptool, and re-enables invalidblockrequest.py in travis.
102 lines
3.9 KiB
Python
Executable File
102 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python2
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#
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# Distributed under the MIT/X11 software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#
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from mininode import *
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from test_framework import BitcoinTestFramework
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from util import *
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import logging
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'''
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In this test we connect to one node over p2p, send it numerous inv's, and
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compare the resulting number of getdata requests to a max allowed value. We
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test for exceeding 128 blocks in flight, which was the limit an 0.9 client will
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reach. [0.10 clients shouldn't request more than 16 from a single peer.]
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'''
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MAX_REQUESTS = 128
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class TestManager(NodeConnCB):
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# set up NodeConnCB callbacks, overriding base class
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def on_getdata(self, conn, message):
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self.log.debug("got getdata %s" % repr(message))
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# Log the requests
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for inv in message.inv:
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if inv.hash not in self.blockReqCounts:
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self.blockReqCounts[inv.hash] = 0
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self.blockReqCounts[inv.hash] += 1
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def on_close(self, conn):
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if not self.disconnectOkay:
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raise EarlyDisconnectError(0)
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def __init__(self):
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NodeConnCB.__init__(self)
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self.log = logging.getLogger("BlockRelayTest")
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self.create_callback_map()
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def add_new_connection(self, connection):
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self.connection = connection
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self.blockReqCounts = {}
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self.disconnectOkay = False
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def run(self):
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try:
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fail = False
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self.connection.rpc.generate(1) # Leave IBD
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numBlocksToGenerate = [ 8, 16, 128, 1024 ]
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for count in range(len(numBlocksToGenerate)):
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current_invs = []
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for i in range(numBlocksToGenerate[count]):
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current_invs.append(CInv(2, random.randrange(0, 1<<256)))
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if len(current_invs) >= 50000:
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self.connection.send_message(msg_inv(current_invs))
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current_invs = []
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if len(current_invs) > 0:
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self.connection.send_message(msg_inv(current_invs))
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# Wait and see how many blocks were requested
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time.sleep(2)
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total_requests = 0
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with mininode_lock:
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for key in self.blockReqCounts:
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total_requests += self.blockReqCounts[key]
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if self.blockReqCounts[key] > 1:
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raise AssertionError("Error, test failed: block %064x requested more than once" % key)
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if total_requests > MAX_REQUESTS:
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raise AssertionError("Error, too many blocks (%d) requested" % total_requests)
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print "Round %d: success (total requests: %d)" % (count, total_requests)
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except AssertionError as e:
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print "TEST FAILED: ", e.args
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self.disconnectOkay = True
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self.connection.disconnect_node()
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class MaxBlocksInFlightTest(BitcoinTestFramework):
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def add_options(self, parser):
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parser.add_option("--testbinary", dest="testbinary",
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default=os.getenv("BITCOIND", "bitcoind"),
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help="Binary to test max block requests behavior")
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def setup_chain(self):
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print "Initializing test directory "+self.options.tmpdir
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initialize_chain_clean(self.options.tmpdir, 1)
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def setup_network(self):
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self.nodes = start_nodes(1, self.options.tmpdir,
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extra_args=[['-debug', '-whitelist=127.0.0.1']],
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binary=[self.options.testbinary])
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def run_test(self):
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test = TestManager()
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test.add_new_connection(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], test))
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NetworkThread().start() # Start up network handling in another thread
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test.run()
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if __name__ == '__main__':
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MaxBlocksInFlightTest().main()
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