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4d86a42380
* Changes from pushing to pydevd * Update some time outs to get flakey tests to pass * Fix string failure * String case backwards. Fixup test in pydevd * Using callstack for exception check not sufficient * Too restrictive on pydevd matching * Try somethign better than just checking 'pydev' * Retry a flakey test * Disable flakey tests * Another flakey test * Increase timeout for attach * Try upping timeout * Up watchdog timeout * Up some more timeouts * Try delaying shutdown of test apps * Don't output extra things that tests don't expect * Fix output differences in 3.9? Not sure what that's about * Fixup line differences in 3.9 with extra sleep * Fix linter errors * Fix breakpoint bugs
119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
# Copyright (c) Microsoft Corporation. All rights reserved.
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# Licensed under the MIT License. See LICENSE in the project root
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# for license information.
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"""Various means of communication with the debuggee."""
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import threading
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import socket
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from debugpy.common import log, messaging, sockets
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class BackChannel(object):
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TIMEOUT = 60
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def __init__(self, session):
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self.session = session
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self.port = None
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self._established = threading.Event()
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self._socket = None
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self._server_socket = None
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def __str__(self):
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return f"BackChannel[{self.session.id}]"
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def listen(self):
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self._server_socket = sockets.create_server("127.0.0.1", 0, self.TIMEOUT)
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_, self.port = self._server_socket.getsockname()
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self._server_socket.listen(0)
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def accept_worker():
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log.info(
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"Listening for incoming connection from {0} on port {1}...",
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self,
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self.port,
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)
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server_socket = self._server_socket
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if server_socket is None:
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return # concurrent close()
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try:
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sock, _ = server_socket.accept()
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except socket.timeout:
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if self._server_socket is None:
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return
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else:
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log.reraise_exception("Timed out waiting for {0} to connect", self)
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except Exception:
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if self._server_socket is None:
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return
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else:
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log.reraise_exception("Error accepting connection for {0}:", self)
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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log.info("Incoming connection from {0} accepted.", self)
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self._socket = sock
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self._setup_stream()
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accept_thread = threading.Thread(target=accept_worker, name=f"{self} listener")
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accept_thread.daemon = True
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accept_thread.start()
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def _setup_stream(self):
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self._stream = messaging.JsonIOStream.from_socket(self._socket, name=str(self))
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self._established.set()
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def receive(self):
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self._established.wait()
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return self._stream.read_json()
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def send(self, value):
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self.session.timeline.unfreeze()
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self._established.wait()
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t = self.session.timeline.mark(("sending", value))
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self._stream.write_json(value)
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return t
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def close(self):
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sock = self._socket
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if sock:
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self._socket = None
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log.debug("Closing {0} client socket...", self)
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try:
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sock.shutdown(socket.SHUT_RDWR)
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except Exception:
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pass
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try:
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sock.close()
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except Exception:
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pass
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server_socket = self._server_socket
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if server_socket:
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self._server_socket = None
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log.debug("Closing {0} server socket...", self)
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try:
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server_socket.shutdown(socket.SHUT_RDWR)
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except Exception:
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pass
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try:
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server_socket.close()
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except Exception:
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pass
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class ScratchPad(object):
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def __init__(self, session):
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self.session = session
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def __getitem__(self, key):
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raise NotImplementedError
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def __setitem__(self, key, value):
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"""Sets debuggee.scratchpad[key] = value inside the debugged process."""
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log.info("{0} debuggee.scratchpad[{1!r}] = {2!r}", self.session, key, value)
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expr = f"sys.modules['debuggee'].scratchpad[{key!r}] = {value!r}"
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self.session.request("evaluate", {"context": "repl", "expression": expr})
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