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94 lines
3.4 KiB
94 lines
3.4 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2016-2020 The Bitcoin Core developers |
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# Distributed under the MIT software license, see the accompanying |
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# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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"""Test various net timeouts. |
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- Create three bitcoind nodes: |
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no_verack_node - we never send a verack in response to their version |
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no_version_node - we never send a version (only a ping) |
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no_send_node - we never send any P2P message. |
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- Start all three nodes |
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- Wait 1 second |
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- Assert that we're connected |
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- Send a ping to no_verack_node and no_version_node |
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- Wait 1 second |
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- Assert that we're still connected |
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- Send a ping to no_verack_node and no_version_node |
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- Wait 2 seconds |
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- Assert that we're no longer connected (timeout to receive version/verack is 3 seconds) |
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""" |
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from time import sleep |
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from test_framework.messages import msg_ping |
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from test_framework.p2p import P2PInterface |
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from test_framework.test_framework import BitcoinTestFramework |
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class TestP2PConn(P2PInterface): |
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def on_version(self, message): |
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# Don't send a verack in response |
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pass |
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class TimeoutsTest(BitcoinTestFramework): |
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def set_test_params(self): |
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self.setup_clean_chain = True |
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self.num_nodes = 1 |
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# set timeout to receive version/verack to 3 seconds |
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self.extra_args = [["-peertimeout=3"]] |
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def run_test(self): |
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# Setup the p2p connections |
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no_verack_node = self.nodes[0].add_p2p_connection(TestP2PConn(), wait_for_verack=False) |
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no_version_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False) |
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no_send_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False) |
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# Wait until we got the verack in response to the version. Though, don't wait for the other node to receive the |
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# verack, since we never sent one |
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no_verack_node.wait_for_verack() |
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sleep(1) |
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assert no_verack_node.is_connected |
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assert no_version_node.is_connected |
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assert no_send_node.is_connected |
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with self.nodes[0].assert_debug_log(['Unsupported message "ping" prior to verack from peer=0']): |
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no_verack_node.send_message(msg_ping()) |
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with self.nodes[0].assert_debug_log(['non-version message before version handshake. Message "ping" from peer=1']): |
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no_version_node.send_message(msg_ping()) |
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sleep(1) |
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assert "version" in no_verack_node.last_message |
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assert no_verack_node.is_connected |
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assert no_version_node.is_connected |
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assert no_send_node.is_connected |
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no_verack_node.send_message(msg_ping()) |
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no_version_node.send_message(msg_ping()) |
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expected_timeout_logs = [ |
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"version handshake timeout peer=0", |
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"socket no message in first 3 seconds, 1 0 peer=1", |
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"socket no message in first 3 seconds, 0 0 peer=2", |
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] |
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with self.nodes[0].assert_debug_log(expected_msgs=expected_timeout_logs): |
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sleep(3) |
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# By now, we waited a total of 5 seconds. Off-by-two for two |
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# reasons: |
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# * The internal precision is one second |
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# * Account for network delay |
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assert not no_verack_node.is_connected |
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assert not no_version_node.is_connected |
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assert not no_send_node.is_connected |
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if __name__ == '__main__': |
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TimeoutsTest().main()
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