diff options
26 files changed, 98 insertions, 223 deletions
diff --git a/test/functional/README.md b/test/functional/README.md index fdd7c339c5..e6365222ff 100644 --- a/test/functional/README.md +++ b/test/functional/README.md @@ -76,7 +76,7 @@ over the network (`CBlock`, `CTransaction`, etc, along with the network-level wrappers for them, `msg_block`, `msg_tx`, etc). - P2P tests have two threads. One thread handles all network communication -with the bitcoind(s) being tested (using python's asyncore package); the other +with the bitcoind(s) being tested in a callback-based event loop; the other implements the test logic. - `P2PConnection` is the class used to connect to a bitcoind. `P2PInterface` @@ -84,10 +84,6 @@ contains the higher level logic for processing P2P payloads and connecting to the Bitcoin Core node application logic. For custom behaviour, subclass the P2PInterface object and override the callback methods. -- Call `network_thread_start()` after all `P2PInterface` objects are created to -start the networking thread. (Continue with the test logic in your existing -thread.) - - Can be used to write tests where specific P2P protocol behavior is tested. Examples tests are `p2p_unrequested_blocks.py`, `p2p_compactblocks.py`. diff --git a/test/functional/example_test.py b/test/functional/example_test.py index 05d1c1bf4e..e2f1cc05b3 100755 --- a/test/functional/example_test.py +++ b/test/functional/example_test.py @@ -21,8 +21,6 @@ from test_framework.mininode import ( mininode_lock, msg_block, msg_getdata, - network_thread_join, - network_thread_start, ) from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( @@ -135,9 +133,6 @@ class ExampleTest(BitcoinTestFramework): # Create P2P connections to two of the nodes self.nodes[0].add_p2p_connection(BaseNode()) - # Start up network handling in another thread. This needs to be called - # after the P2P connections have been created. - network_thread_start() # wait_for_verack ensures that the P2P connection is fully up. self.nodes[0].p2p.wait_for_verack() @@ -189,14 +184,9 @@ class ExampleTest(BitcoinTestFramework): connect_nodes(self.nodes[1], 2) self.log.info("Add P2P connection to node2") - # We can't add additional P2P connections once the network thread has started. Disconnect the connection - # to node0, wait for the network thread to terminate, then connect to node2. This is specific to - # the current implementation of the network thread and may be improved in future. self.nodes[0].disconnect_p2ps() - network_thread_join() self.nodes[2].add_p2p_connection(BaseNode()) - network_thread_start() self.nodes[2].p2p.wait_for_verack() self.log.info("Wait for node2 reach current tip. Test that it has propagated all the blocks to us") diff --git a/test/functional/feature_assumevalid.py b/test/functional/feature_assumevalid.py index a925c70783..933a4740dd 100755 --- a/test/functional/feature_assumevalid.py +++ b/test/functional/feature_assumevalid.py @@ -33,16 +33,16 @@ import time from test_framework.blocktools import (create_block, create_coinbase) from test_framework.key import CECKey -from test_framework.mininode import (CBlockHeader, - COutPoint, - CTransaction, - CTxIn, - CTxOut, - network_thread_join, - network_thread_start, - P2PInterface, - msg_block, - msg_headers) +from test_framework.messages import ( + CBlockHeader, + COutPoint, + CTransaction, + CTxIn, + CTxOut, + msg_block, + msg_headers +) +from test_framework.mininode import P2PInterface from test_framework.script import (CScript, OP_TRUE) from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal @@ -98,8 +98,6 @@ class AssumeValidTest(BitcoinTestFramework): # Connect to node0 p2p0 = self.nodes[0].add_p2p_connection(BaseNode()) - - network_thread_start() self.nodes[0].p2p.wait_for_verack() # Build the blockchain @@ -160,9 +158,7 @@ class AssumeValidTest(BitcoinTestFramework): self.block_time += 1 height += 1 - # We're adding new connections so terminate the network thread self.nodes[0].disconnect_p2ps() - network_thread_join() # Start node1 and node2 with assumevalid so they accept a block with a bad signature. self.start_node(1, extra_args=["-assumevalid=" + hex(block102.sha256)]) @@ -172,8 +168,6 @@ class AssumeValidTest(BitcoinTestFramework): p2p1 = self.nodes[1].add_p2p_connection(BaseNode()) p2p2 = self.nodes[2].add_p2p_connection(BaseNode()) - network_thread_start() - p2p0.wait_for_verack() p2p1.wait_for_verack() p2p2.wait_for_verack() diff --git a/test/functional/feature_block.py b/test/functional/feature_block.py index f943fdf176..62c0582381 100755 --- a/test/functional/feature_block.py +++ b/test/functional/feature_block.py @@ -20,7 +20,7 @@ from test_framework.messages import ( uint256_from_compact, uint256_from_str, ) -from test_framework.mininode import P2PDataStore, network_thread_start, network_thread_join +from test_framework.mininode import P2PDataStore from test_framework.script import ( CScript, MAX_SCRIPT_ELEMENT_SIZE, @@ -1299,7 +1299,6 @@ class FullBlockTest(BitcoinTestFramework): Helper to connect and wait for version handshake.""" self.nodes[0].add_p2p_connection(P2PDataStore()) - network_thread_start() # We need to wait for the initial getheaders from the peer before we # start populating our blockstore. If we don't, then we may run ahead # to the next subtest before we receive the getheaders. We'd then send @@ -1314,7 +1313,6 @@ class FullBlockTest(BitcoinTestFramework): The node gets disconnected several times in this test. This helper method reconnects the p2p and restarts the network thread.""" self.nodes[0].disconnect_p2ps() - network_thread_join() self.bootstrap_p2p() def sync_blocks(self, blocks, success=True, reject_code=None, reject_reason=None, request_block=True, reconnect=False, timeout=60): diff --git a/test/functional/feature_cltv.py b/test/functional/feature_cltv.py index e9a8945e76..b484bffe0d 100755 --- a/test/functional/feature_cltv.py +++ b/test/functional/feature_cltv.py @@ -67,10 +67,6 @@ class BIP65Test(BitcoinTestFramework): def run_test(self): self.nodes[0].add_p2p_connection(P2PInterface()) - - network_thread_start() - - # wait_for_verack ensures that the P2P connection is fully up. self.nodes[0].p2p.wait_for_verack() self.log.info("Mining %d blocks", CLTV_HEIGHT - 2) diff --git a/test/functional/feature_csv_activation.py b/test/functional/feature_csv_activation.py index 37d60aad61..2499214fbd 100755 --- a/test/functional/feature_csv_activation.py +++ b/test/functional/feature_csv_activation.py @@ -49,7 +49,7 @@ import time from test_framework.blocktools import create_coinbase, create_block from test_framework.messages import ToHex, CTransaction -from test_framework.mininode import network_thread_start, P2PDataStore +from test_framework.mininode import P2PDataStore from test_framework.script import ( CScript, OP_CHECKSEQUENCEVERIFY, @@ -183,7 +183,6 @@ class BIP68_112_113Test(BitcoinTestFramework): def run_test(self): self.nodes[0].add_p2p_connection(P2PDataStore()) - network_thread_start() self.nodes[0].p2p.wait_for_verack() self.log.info("Generate blocks in the past for coinbase outputs.") diff --git a/test/functional/feature_dersig.py b/test/functional/feature_dersig.py index 02dcc3e55d..13224466d3 100755 --- a/test/functional/feature_dersig.py +++ b/test/functional/feature_dersig.py @@ -56,8 +56,6 @@ class BIP66Test(BitcoinTestFramework): def run_test(self): self.nodes[0].add_p2p_connection(P2PInterface()) - network_thread_start() - # wait_for_verack ensures that the P2P connection is fully up. self.nodes[0].p2p.wait_for_verack() diff --git a/test/functional/feature_maxuploadtarget.py b/test/functional/feature_maxuploadtarget.py index 0946f27b90..c413ecf705 100755 --- a/test/functional/feature_maxuploadtarget.py +++ b/test/functional/feature_maxuploadtarget.py @@ -57,7 +57,6 @@ class MaxUploadTest(BitcoinTestFramework): for _ in range(3): p2p_conns.append(self.nodes[0].add_p2p_connection(TestP2PConn())) - network_thread_start() for p2pc in p2p_conns: p2pc.wait_for_verack() @@ -148,8 +147,6 @@ class MaxUploadTest(BitcoinTestFramework): # Reconnect to self.nodes[0] self.nodes[0].add_p2p_connection(TestP2PConn()) - - network_thread_start() self.nodes[0].p2p.wait_for_verack() #retrieve 20 blocks which should be enough to break the 1MB limit diff --git a/test/functional/feature_nulldummy.py b/test/functional/feature_nulldummy.py index 6577d83f5c..24659eac77 100755 --- a/test/functional/feature_nulldummy.py +++ b/test/functional/feature_nulldummy.py @@ -15,7 +15,7 @@ Generate 427 more blocks. from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * -from test_framework.mininode import CTransaction, network_thread_start +from test_framework.messages import CTransaction from test_framework.blocktools import create_coinbase, create_block, add_witness_commitment from test_framework.script import CScript from io import BytesIO @@ -50,7 +50,6 @@ class NULLDUMMYTest(BitcoinTestFramework): self.wit_address = self.nodes[0].addwitnessaddress(self.address) self.wit_ms_address = self.nodes[0].addmultisigaddress(1, [self.address], '', 'p2sh-segwit')['address'] - network_thread_start() self.coinbase_blocks = self.nodes[0].generate(2) # Block 2 coinbase_txid = [] for i in self.coinbase_blocks: diff --git a/test/functional/feature_versionbits_warning.py b/test/functional/feature_versionbits_warning.py index 2985569a8f..a03c20b088 100755 --- a/test/functional/feature_versionbits_warning.py +++ b/test/functional/feature_versionbits_warning.py @@ -12,7 +12,7 @@ import re from test_framework.blocktools import create_block, create_coinbase from test_framework.messages import msg_block -from test_framework.mininode import P2PInterface, network_thread_start, mininode_lock +from test_framework.mininode import P2PInterface, mininode_lock from test_framework.test_framework import BitcoinTestFramework from test_framework.util import wait_until @@ -65,7 +65,6 @@ class VersionBitsWarningTest(BitcoinTestFramework): # Handy alias node = self.nodes[0] node.add_p2p_connection(P2PInterface()) - network_thread_start() node.p2p.wait_for_verack() # Mine one period worth of blocks diff --git a/test/functional/p2p_compactblocks.py b/test/functional/p2p_compactblocks.py index 37849e9213..17aacd8152 100755 --- a/test/functional/p2p_compactblocks.py +++ b/test/functional/p2p_compactblocks.py @@ -788,13 +788,11 @@ class CompactBlocksTest(BitcoinTestFramework): assert_equal(int(node.getbestblockhash(), 16), block.sha256) def run_test(self): - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections self.test_node = self.nodes[0].add_p2p_connection(TestP2PConn()) self.segwit_node = self.nodes[1].add_p2p_connection(TestP2PConn(), services=NODE_NETWORK|NODE_WITNESS) self.old_node = self.nodes[1].add_p2p_connection(TestP2PConn(), services=NODE_NETWORK) - network_thread_start() - self.test_node.wait_for_verack() # We will need UTXOs to construct transactions in later tests. diff --git a/test/functional/p2p_feefilter.py b/test/functional/p2p_feefilter.py index c304bbba85..5b3fa0186a 100755 --- a/test/functional/p2p_feefilter.py +++ b/test/functional/p2p_feefilter.py @@ -47,9 +47,8 @@ class FeeFilterTest(BitcoinTestFramework): node1.generate(1) sync_blocks(self.nodes) - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections self.nodes[0].add_p2p_connection(TestP2PConn()) - network_thread_start() self.nodes[0].p2p.wait_for_verack() # Test that invs are received for all txs at feerate of 20 sat/byte diff --git a/test/functional/p2p_fingerprint.py b/test/functional/p2p_fingerprint.py index 516ce8555b..61f9ec014b 100755 --- a/test/functional/p2p_fingerprint.py +++ b/test/functional/p2p_fingerprint.py @@ -18,7 +18,6 @@ from test_framework.mininode import ( msg_block, msg_getdata, msg_getheaders, - network_thread_start, wait_until, ) from test_framework.test_framework import BitcoinTestFramework @@ -76,8 +75,6 @@ class P2PFingerprintTest(BitcoinTestFramework): # last month but that have over a month's worth of work are also withheld. def run_test(self): node0 = self.nodes[0].add_p2p_connection(P2PInterface()) - - network_thread_start() node0.wait_for_verack() # Set node time to 60 days ago diff --git a/test/functional/p2p_invalid_block.py b/test/functional/p2p_invalid_block.py index e1f328ba77..c981968026 100755 --- a/test/functional/p2p_invalid_block.py +++ b/test/functional/p2p_invalid_block.py @@ -14,7 +14,7 @@ import copy from test_framework.blocktools import create_block, create_coinbase, create_transaction from test_framework.messages import COIN -from test_framework.mininode import network_thread_start, P2PDataStore +from test_framework.mininode import P2PDataStore from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal @@ -28,8 +28,6 @@ class InvalidBlockRequestTest(BitcoinTestFramework): # Add p2p connection to node0 node = self.nodes[0] # convenience reference to the node node.add_p2p_connection(P2PDataStore()) - - network_thread_start() node.p2p.wait_for_verack() best_block = node.getblock(node.getbestblockhash()) diff --git a/test/functional/p2p_invalid_tx.py b/test/functional/p2p_invalid_tx.py index 3fed872ccc..a7a86f89fd 100755 --- a/test/functional/p2p_invalid_tx.py +++ b/test/functional/p2p_invalid_tx.py @@ -13,7 +13,7 @@ from test_framework.messages import ( CTxIn, CTxOut, ) -from test_framework.mininode import network_thread_start, P2PDataStore, network_thread_join +from test_framework.mininode import P2PDataStore from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, @@ -32,7 +32,6 @@ class InvalidTxRequestTest(BitcoinTestFramework): Helper to connect and wait for version handshake.""" for _ in range(num_connections): self.nodes[0].add_p2p_connection(P2PDataStore()) - network_thread_start() self.nodes[0].p2p.wait_for_verack() def reconnect_p2p(self, **kwargs): @@ -41,7 +40,6 @@ class InvalidTxRequestTest(BitcoinTestFramework): The node gets disconnected several times in this test. This helper method reconnects the p2p and restarts the network thread.""" self.nodes[0].disconnect_p2ps() - network_thread_join() self.bootstrap_p2p(**kwargs) def run_test(self): diff --git a/test/functional/p2p_leak.py b/test/functional/p2p_leak.py index dca5ea39de..ecb9a56fe1 100755 --- a/test/functional/p2p_leak.py +++ b/test/functional/p2p_leak.py @@ -103,8 +103,6 @@ class P2PLeakTest(BitcoinTestFramework): unsupported_service_bit5_node = self.nodes[0].add_p2p_connection(CLazyNode(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_5) unsupported_service_bit7_node = self.nodes[0].add_p2p_connection(CLazyNode(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_7) - network_thread_start() - wait_until(lambda: no_version_bannode.ever_connected, timeout=10, lock=mininode_lock) wait_until(lambda: no_version_idlenode.ever_connected, timeout=10, lock=mininode_lock) wait_until(lambda: no_verack_idlenode.version_received, timeout=10, lock=mininode_lock) @@ -126,9 +124,8 @@ class P2PLeakTest(BitcoinTestFramework): self.nodes[0].disconnect_p2ps() - # Wait until all connections are closed and the network thread has terminated + # Wait until all connections are closed wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 0) - network_thread_join() # Make sure no unexpected messages came in assert(no_version_bannode.unexpected_msg == False) @@ -143,11 +140,9 @@ class P2PLeakTest(BitcoinTestFramework): allowed_service_bit5_node = self.nodes[0].add_p2p_connection(P2PInterface(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_5) allowed_service_bit7_node = self.nodes[0].add_p2p_connection(P2PInterface(), services=NODE_NETWORK|NODE_UNSUPPORTED_SERVICE_BIT_7) - # Network thread stopped when all previous P2PInterfaces disconnected. Restart it - network_thread_start() - wait_until(lambda: allowed_service_bit5_node.message_count["verack"], lock=mininode_lock) wait_until(lambda: allowed_service_bit7_node.message_count["verack"], lock=mininode_lock) + if __name__ == '__main__': P2PLeakTest().main() diff --git a/test/functional/p2p_mempool.py b/test/functional/p2p_mempool.py index e54843b26f..5a1fb60fb5 100755 --- a/test/functional/p2p_mempool.py +++ b/test/functional/p2p_mempool.py @@ -21,7 +21,6 @@ class P2PMempoolTests(BitcoinTestFramework): def run_test(self): # Add a p2p connection self.nodes[0].add_p2p_connection(P2PInterface()) - network_thread_start() self.nodes[0].p2p.wait_for_verack() #request mempool diff --git a/test/functional/p2p_node_network_limited.py b/test/functional/p2p_node_network_limited.py index 301d8c181a..4a24e24daf 100755 --- a/test/functional/p2p_node_network_limited.py +++ b/test/functional/p2p_node_network_limited.py @@ -9,7 +9,7 @@ and that it responds to getdata requests for blocks correctly: - send a block within 288 + 2 of the tip - disconnect peers who request blocks older than that.""" from test_framework.messages import CInv, msg_getdata, msg_verack -from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_WITNESS, P2PInterface, wait_until, mininode_lock, network_thread_start, network_thread_join +from test_framework.mininode import NODE_BLOOM, NODE_NETWORK_LIMITED, NODE_WITNESS, P2PInterface, wait_until, mininode_lock from test_framework.test_framework import BitcoinTestFramework from test_framework.util import assert_equal, disconnect_nodes, connect_nodes_bi, sync_blocks @@ -48,7 +48,6 @@ class NodeNetworkLimitedTest(BitcoinTestFramework): def run_test(self): node = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) - network_thread_start() node.wait_for_verack() expected_services = NODE_BLOOM | NODE_WITNESS | NODE_NETWORK_LIMITED @@ -74,9 +73,7 @@ class NodeNetworkLimitedTest(BitcoinTestFramework): self.log.info("Check local address relay, do a fresh connection.") self.nodes[0].disconnect_p2ps() - network_thread_join() node1 = self.nodes[0].add_p2p_connection(P2PIgnoreInv()) - network_thread_start() node1.wait_for_verack() node1.send_message(msg_verack()) diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py index 940d085e89..a2b86ff82d 100755 --- a/test/functional/p2p_segwit.py +++ b/test/functional/p2p_segwit.py @@ -1964,9 +1964,8 @@ class SegWitTest(BitcoinTestFramework): self.utxo.pop(0) - def run_test(self): - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections # self.test_node sets NODE_WITNESS|NODE_NETWORK self.test_node = self.nodes[0].add_p2p_connection(TestP2PConn(), services=NODE_NETWORK|NODE_WITNESS) # self.old_node sets only NODE_NETWORK @@ -1974,8 +1973,6 @@ class SegWitTest(BitcoinTestFramework): # self.std_node is for testing node1 (fRequireStandard=true) self.std_node = self.nodes[1].add_p2p_connection(TestP2PConn(), services=NODE_NETWORK|NODE_WITNESS) - network_thread_start() - # Keep a place to store utxo's that can be used in later tests self.utxo = [] diff --git a/test/functional/p2p_sendheaders.py b/test/functional/p2p_sendheaders.py index 7ee8168e2f..d40b6af2ee 100755 --- a/test/functional/p2p_sendheaders.py +++ b/test/functional/p2p_sendheaders.py @@ -90,7 +90,6 @@ from test_framework.mininode import ( CBlockHeader, CInv, NODE_WITNESS, - network_thread_start, P2PInterface, mininode_lock, msg_block, @@ -238,15 +237,11 @@ class SendHeadersTest(BitcoinTestFramework): return [int(x, 16) for x in all_hashes] def run_test(self): - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections inv_node = self.nodes[0].add_p2p_connection(BaseNode()) # Make sure NODE_NETWORK is not set for test_node, so no block download # will occur outside of direct fetching test_node = self.nodes[0].add_p2p_connection(BaseNode(), services=NODE_WITNESS) - - network_thread_start() - - # Test logic begins here inv_node.wait_for_verack() test_node.wait_for_verack() diff --git a/test/functional/p2p_timeouts.py b/test/functional/p2p_timeouts.py index e958536cf9..7a4ef1c05c 100755 --- a/test/functional/p2p_timeouts.py +++ b/test/functional/p2p_timeouts.py @@ -38,13 +38,11 @@ class TimeoutsTest(BitcoinTestFramework): self.num_nodes = 1 def run_test(self): - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections no_verack_node = self.nodes[0].add_p2p_connection(TestP2PConn()) no_version_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False) no_send_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False) - network_thread_start() - sleep(1) assert no_verack_node.is_connected diff --git a/test/functional/p2p_unrequested_blocks.py b/test/functional/p2p_unrequested_blocks.py index 49c619a4ce..5f2d65c3f5 100755 --- a/test/functional/p2p_unrequested_blocks.py +++ b/test/functional/p2p_unrequested_blocks.py @@ -73,15 +73,11 @@ class AcceptBlockTest(BitcoinTestFramework): self.setup_nodes() def run_test(self): - # Setup the p2p connections and start up the network thread. + # Setup the p2p connections # test_node connects to node0 (not whitelisted) test_node = self.nodes[0].add_p2p_connection(P2PInterface()) # min_work_node connects to node1 (whitelisted) min_work_node = self.nodes[1].add_p2p_connection(P2PInterface()) - - network_thread_start() - - # Test logic begins here test_node.wait_for_verack() min_work_node.wait_for_verack() @@ -204,10 +200,8 @@ class AcceptBlockTest(BitcoinTestFramework): self.nodes[0].disconnect_p2ps() self.nodes[1].disconnect_p2ps() - network_thread_join() test_node = self.nodes[0].add_p2p_connection(P2PInterface()) - network_thread_start() test_node.wait_for_verack() test_node.send_message(msg_block(block_h1f)) @@ -293,8 +287,6 @@ class AcceptBlockTest(BitcoinTestFramework): self.nodes[0].disconnect_p2ps() test_node = self.nodes[0].add_p2p_connection(P2PInterface()) - - network_thread_start() test_node.wait_for_verack() # We should have failed reorg and switched back to 290 (but have block 291) diff --git a/test/functional/rpc_blockchain.py b/test/functional/rpc_blockchain.py index 7acc59c2c6..155d30317a 100755 --- a/test/functional/rpc_blockchain.py +++ b/test/functional/rpc_blockchain.py @@ -41,7 +41,6 @@ from test_framework.messages import ( ) from test_framework.mininode import ( P2PInterface, - network_thread_start, ) @@ -262,7 +261,6 @@ class BlockchainTest(BitcoinTestFramework): # Start a P2P connection since we'll need to create some blocks. node.add_p2p_connection(P2PInterface()) - network_thread_start() node.p2p.wait_for_verack() current_height = node.getblock(node.getbestblockhash())['height'] diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py index 5859f108a4..29bf33fa5b 100755 --- a/test/functional/test_framework/mininode.py +++ b/test/functional/test_framework/mininode.py @@ -13,11 +13,10 @@ P2PConnection: A low-level connection object to a node's P2P interface P2PInterface: A high-level interface object for communicating to a node over P2P P2PDataStore: A p2p interface class that keeps a store of transactions and blocks and can respond correctly to getdata and getheaders messages""" -import asyncore +import asyncio from collections import defaultdict from io import BytesIO import logging -import socket import struct import sys import threading @@ -57,7 +56,8 @@ MAGIC_BYTES = { "regtest": b"\xfa\xbf\xb5\xda", # regtest } -class P2PConnection(asyncore.dispatcher): + +class P2PConnection(asyncio.Protocol): """A low-level connection object to a node's P2P interface. This class is responsible for: @@ -71,68 +71,59 @@ class P2PConnection(asyncore.dispatcher): sub-classed and the on_message() callback overridden.""" def __init__(self): - # All P2PConnections must be created before starting the NetworkThread. - # assert that the network thread is not running. - assert not network_thread_running() - - super().__init__(map=mininode_socket_map) - - self._conn_open = False + # The underlying transport of the connection. + # Should only call methods on this from the NetworkThread, c.f. call_soon_threadsafe + self._transport = None @property def is_connected(self): - return self._conn_open + return self._transport is not None def peer_connect(self, dstaddr, dstport, net="regtest"): + assert not self.is_connected self.dstaddr = dstaddr self.dstport = dstport - self.create_socket(socket.AF_INET, socket.SOCK_STREAM) - self.socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) - self.sendbuf = b"" + # The initial message to send after the connection was made: + self.on_connection_send_msg = None self.recvbuf = b"" - self._asyncore_pre_connection = True self.network = net - self.disconnect = False - logger.debug('Connecting to Bitcoin Node: %s:%d' % (self.dstaddr, self.dstport)) - try: - self.connect((dstaddr, dstport)) - except: - self.handle_close() + loop = NetworkThread.network_event_loop + conn_gen_unsafe = loop.create_connection(lambda: self, host=self.dstaddr, port=self.dstport) + conn_gen = lambda: loop.call_soon_threadsafe(loop.create_task, conn_gen_unsafe) + return conn_gen def peer_disconnect(self): # Connection could have already been closed by other end. - if self.is_connected: - self.disconnect = True # Signal asyncore to disconnect + NetworkThread.network_event_loop.call_soon_threadsafe(lambda: self._transport and self._transport.abort()) # Connection and disconnection methods - def handle_connect(self): - """asyncore callback when a connection is opened.""" - if not self.is_connected: - logger.debug("Connected & Listening: %s:%d" % (self.dstaddr, self.dstport)) - self._conn_open = True - self._asyncore_pre_connection = False - self.on_open() - - def handle_close(self): - """asyncore callback when a connection is closed.""" - logger.debug("Closing connection to: %s:%d" % (self.dstaddr, self.dstport)) - self._conn_open = False + def connection_made(self, transport): + """asyncio callback when a connection is opened.""" + assert not self._transport + logger.debug("Connected & Listening: %s:%d" % (self.dstaddr, self.dstport)) + self._transport = transport + if self.on_connection_send_msg: + self.send_message(self.on_connection_send_msg) + self.on_connection_send_msg = None # Never used again + self.on_open() + + def connection_lost(self, exc): + """asyncio callback when a connection is closed.""" + if exc: + logger.warning("Connection lost to {}:{} due to {}".format(self.dstaddr, self.dstport, exc)) + else: + logger.debug("Closed connection to: %s:%d" % (self.dstaddr, self.dstport)) + self._transport = None self.recvbuf = b"" - self.sendbuf = b"" - try: - self.close() - except: - pass self.on_close() # Socket read methods - def handle_read(self): - """asyncore callback when data is read from the socket.""" - t = self.recv(8192) + def data_received(self, t): + """asyncio callback when data is read from the socket.""" if len(t) > 0: self.recvbuf += t self._on_data() @@ -179,30 +170,6 @@ class P2PConnection(asyncore.dispatcher): # Socket write methods - def writable(self): - """asyncore method to determine whether the handle_write() callback should be called on the next loop.""" - with mininode_lock: - length = len(self.sendbuf) - return length > 0 or self._asyncore_pre_connection - - def handle_write(self): - """asyncore callback when data should be written to the socket.""" - with mininode_lock: - # asyncore does not expose socket connection, only the first read/write - # event, thus we must check connection manually here to know when we - # actually connect - if self._asyncore_pre_connection: - self.handle_connect() - if not self.writable(): - return - - try: - sent = self.send(self.sendbuf) - except: - self.handle_close() - return - self.sendbuf = self.sendbuf[sent:] - def send_message(self, message): """Send a P2P message over the socket. @@ -212,15 +179,7 @@ class P2PConnection(asyncore.dispatcher): raise IOError('Not connected') self._log_message("send", message) tmsg = self._build_message(message) - with mininode_lock: - if len(self.sendbuf) == 0: - try: - sent = self.send(tmsg) - self.sendbuf = tmsg[sent:] - except BlockingIOError: - self.sendbuf = tmsg - else: - self.sendbuf += tmsg + NetworkThread.network_event_loop.call_soon_threadsafe(lambda: self._transport and self._transport.write(tmsg)) # Class utility methods @@ -274,7 +233,7 @@ class P2PInterface(P2PConnection): self.nServices = 0 def peer_connect(self, *args, services=NODE_NETWORK|NODE_WITNESS, send_version=True, **kwargs): - super().peer_connect(*args, **kwargs) + create_conn = super().peer_connect(*args, **kwargs) if send_version: # Send a version msg @@ -284,7 +243,9 @@ class P2PInterface(P2PConnection): vt.addrTo.port = self.dstport vt.addrFrom.ip = "0.0.0.0" vt.addrFrom.port = 0 - self.sendbuf = self._build_message(vt) # Will be sent right after handle_connect + self.on_connection_send_msg = vt # Will be sent soon after connection_made + + return create_conn # Message receiving methods @@ -408,56 +369,35 @@ class P2PInterface(P2PConnection): self.ping_counter += 1 -# Keep our own socket map for asyncore, so that we can track disconnects -# ourselves (to work around an issue with closing an asyncore socket when -# using select) -mininode_socket_map = dict() - -# One lock for synchronizing all data access between the networking thread (see +# One lock for synchronizing all data access between the network event loop (see # NetworkThread below) and the thread running the test logic. For simplicity, -# P2PConnection acquires this lock whenever delivering a message to a P2PInterface, -# and whenever adding anything to the send buffer (in send_message()). This -# lock should be acquired in the thread running the test logic to synchronize +# P2PConnection acquires this lock whenever delivering a message to a P2PInterface. +# This lock should be acquired in the thread running the test logic to synchronize # access to any data shared with the P2PInterface or P2PConnection. mininode_lock = threading.RLock() + class NetworkThread(threading.Thread): + network_event_loop = None + def __init__(self): super().__init__(name="NetworkThread") + # There is only one event loop and no more than one thread must be created + assert not self.network_event_loop + + NetworkThread.network_event_loop = asyncio.new_event_loop() def run(self): - while mininode_socket_map: - # We check for whether to disconnect outside of the asyncore - # loop to work around the behavior of asyncore when using - # select - disconnected = [] - for fd, obj in mininode_socket_map.items(): - if obj.disconnect: - disconnected.append(obj) - [obj.handle_close() for obj in disconnected] - asyncore.loop(0.1, use_poll=True, map=mininode_socket_map, count=1) - logger.debug("Network thread closing") - -def network_thread_start(): - """Start the network thread.""" - # Only one network thread may run at a time - assert not network_thread_running() - - NetworkThread().start() - -def network_thread_running(): - """Return whether the network thread is running.""" - return any([thread.name == "NetworkThread" for thread in threading.enumerate()]) - -def network_thread_join(timeout=10): - """Wait timeout seconds for the network thread to terminate. - - Throw if the network thread doesn't terminate in timeout seconds.""" - network_threads = [thread for thread in threading.enumerate() if thread.name == "NetworkThread"] - assert len(network_threads) <= 1 - for thread in network_threads: - thread.join(timeout) - assert not thread.is_alive() + """Start the network thread.""" + self.network_event_loop.run_forever() + + def close(self, timeout=10): + """Close the connections and network event loop.""" + self.network_event_loop.call_soon_threadsafe(self.network_event_loop.stop) + wait_until(lambda: not self.network_event_loop.is_running(), timeout=timeout) + self.network_event_loop.close() + self.join(timeout) + class P2PDataStore(P2PInterface): """A P2P data store class. diff --git a/test/functional/test_framework/test_framework.py b/test/functional/test_framework/test_framework.py index 5c2555c1ff..abe8d12e59 100755 --- a/test/functional/test_framework/test_framework.py +++ b/test/functional/test_framework/test_framework.py @@ -18,6 +18,7 @@ import time from .authproxy import JSONRPCException from . import coverage from .test_node import TestNode +from .mininode import NetworkThread from .util import ( MAX_NODES, PortSeed, @@ -83,6 +84,7 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass): """Sets test framework defaults. Do not override this method. Instead, override the set_test_params() method""" self.setup_clean_chain = False self.nodes = [] + self.network_thread = None self.mocktime = 0 self.supports_cli = False self.bind_to_localhost_only = True @@ -144,6 +146,10 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass): self.options.tmpdir = tempfile.mkdtemp(prefix="test") self._start_logging() + self.log.debug('Setting up network thread') + self.network_thread = NetworkThread() + self.network_thread.start() + success = TestStatus.FAILED try: @@ -171,6 +177,8 @@ class BitcoinTestFramework(metaclass=BitcoinTestMetaClass): print("Testcase failed. Attaching python debugger. Enter ? for help") pdb.set_trace() + self.log.debug('Closing down network thread') + self.network_thread.close() if not self.options.noshutdown: self.log.info("Stopping nodes") if self.nodes: diff --git a/test/functional/test_framework/test_node.py b/test/functional/test_framework/test_node.py index 0353fc0712..287dc0e53e 100755 --- a/test/functional/test_framework/test_node.py +++ b/test/functional/test_framework/test_node.py @@ -289,7 +289,7 @@ class TestNode(): if 'dstaddr' not in kwargs: kwargs['dstaddr'] = '127.0.0.1' - p2p_conn.peer_connect(*args, **kwargs) + p2p_conn.peer_connect(*args, **kwargs)() self.p2ps.append(p2p_conn) return p2p_conn @@ -343,10 +343,10 @@ class TestNodeCLI(): def batch(self, requests): results = [] for request in requests: - try: - results.append(dict(result=request())) - except JSONRPCException as e: - results.append(dict(error=e)) + try: + results.append(dict(result=request())) + except JSONRPCException as e: + results.append(dict(error=e)) return results def send_cli(self, command=None, *args, **kwargs): |