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test/functional/p2p_ping.py
- This file was added.
| Property | Old Value | New Value |
|---|---|---|
| File Mode | null | 100755 |
| #!/usr/bin/env python3 | |||||
| # Copyright (c) 2020 The Bitcoin Core developers | |||||
| # Distributed under the MIT software license, see the accompanying | |||||
| # file COPYING or http://www.opensource.org/licenses/mit-license.php. | |||||
| """Test ping message | |||||
| """ | |||||
| import time | |||||
| from test_framework.messages import ( | |||||
| msg_pong, | |||||
| ) | |||||
| from test_framework.mininode import ( | |||||
| P2PInterface, | |||||
| wait_until, | |||||
| ) | |||||
| from test_framework.test_framework import BitcoinTestFramework | |||||
| from test_framework.util import assert_equal | |||||
| PING_INTERVAL = 2 * 60 | |||||
| class msg_pong_corrupt(msg_pong): | |||||
| def serialize(self): | |||||
| return b"" | |||||
| class NodePongAdd1(P2PInterface): | |||||
| def on_ping(self, message): | |||||
| self.send_message(msg_pong(message.nonce + 1)) | |||||
| class NodeNoPong(P2PInterface): | |||||
| def on_ping(self, message): | |||||
| pass | |||||
| class PingPongTest(BitcoinTestFramework): | |||||
| def set_test_params(self): | |||||
| self.setup_clean_chain = True | |||||
| self.num_nodes = 1 | |||||
| self.extra_args = [['-peertimeout=3']] | |||||
| def check_peer_info(self, *, pingtime, minping, pingwait): | |||||
| stats = self.nodes[0].getpeerinfo()[0] | |||||
| assert_equal(stats.pop('pingtime', None), pingtime) | |||||
| assert_equal(stats.pop('minping', None), minping) | |||||
| assert_equal(stats.pop('pingwait', None), pingwait) | |||||
| def mock_forward(self, delta): | |||||
| self.mock_time += delta | |||||
| self.nodes[0].setmocktime(self.mock_time) | |||||
| def run_test(self): | |||||
| self.mock_time = int(time.time()) | |||||
| self.mock_forward(0) | |||||
| self.log.info( | |||||
| 'Check that ping is sent after connection is established') | |||||
| no_pong_node = self.nodes[0].add_p2p_connection(NodeNoPong()) | |||||
| self.mock_forward(3) | |||||
| assert no_pong_node.last_message.pop('ping').nonce != 0 | |||||
| self.check_peer_info(pingtime=None, minping=None, pingwait=3) | |||||
| self.log.info('Reply without nonce cancels ping') | |||||
| with self.nodes[0].assert_debug_log(['pong peer=0: Short payload']): | |||||
| no_pong_node.send_and_ping(msg_pong_corrupt()) | |||||
| self.check_peer_info(pingtime=None, minping=None, pingwait=None) | |||||
| self.log.info('Reply without ping') | |||||
| with self.nodes[0].assert_debug_log([ | |||||
| 'pong peer=0: Unsolicited pong without ping, 0 expected, 0 received, 8 bytes', | |||||
| ]): | |||||
| no_pong_node.send_and_ping(msg_pong()) | |||||
| self.check_peer_info(pingtime=None, minping=None, pingwait=None) | |||||
| self.log.info('Reply with wrong nonce does not cancel ping') | |||||
| assert 'ping' not in no_pong_node.last_message | |||||
| with self.nodes[0].assert_debug_log(['pong peer=0: Nonce mismatch']): | |||||
| # mock time PING_INTERVAL ahead to trigger node into sending a ping | |||||
| self.mock_forward(PING_INTERVAL + 1) | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| self.mock_forward(9) | |||||
| # Send the wrong pong | |||||
| no_pong_node.send_and_ping( | |||||
| msg_pong(no_pong_node.last_message.pop('ping').nonce - 1)) | |||||
| self.check_peer_info(pingtime=None, minping=None, pingwait=9) | |||||
| self.log.info('Reply with zero nonce does cancel ping') | |||||
| with self.nodes[0].assert_debug_log(['pong peer=0: Nonce zero']): | |||||
| no_pong_node.send_and_ping(msg_pong(0)) | |||||
| self.check_peer_info(pingtime=None, minping=None, pingwait=None) | |||||
| self.log.info('Check that ping is properly reported on RPC') | |||||
| assert 'ping' not in no_pong_node.last_message | |||||
| # mock time PING_INTERVAL ahead to trigger node into sending a ping | |||||
| self.mock_forward(PING_INTERVAL + 1) | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| ping_delay = 29 | |||||
| self.mock_forward(ping_delay) | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| no_pong_node.send_and_ping( | |||||
| msg_pong(no_pong_node.last_message.pop('ping').nonce)) | |||||
| self.check_peer_info( | |||||
| pingtime=ping_delay, | |||||
| minping=ping_delay, | |||||
| pingwait=None) | |||||
| self.log.info('Check that minping is decreased after a fast roundtrip') | |||||
| # mock time PING_INTERVAL ahead to trigger node into sending a ping | |||||
| self.mock_forward(PING_INTERVAL + 1) | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| ping_delay = 9 | |||||
| self.mock_forward(ping_delay) | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| no_pong_node.send_and_ping( | |||||
| msg_pong(no_pong_node.last_message.pop('ping').nonce)) | |||||
| self.check_peer_info( | |||||
| pingtime=ping_delay, | |||||
| minping=ping_delay, | |||||
| pingwait=None) | |||||
| self.log.info('Check that peer is disconnected after ping timeout') | |||||
| assert 'ping' not in no_pong_node.last_message | |||||
| self.nodes[0].ping() | |||||
| wait_until(lambda: 'ping' in no_pong_node.last_message) | |||||
| with self.nodes[0].assert_debug_log(['ping timeout: 1201.000000s']): | |||||
| self.mock_forward(20 * 60 + 1) | |||||
| # peertimeout + 1 | |||||
| time.sleep(4) | |||||
| if __name__ == '__main__': | |||||
| PingPongTest().main() | |||||