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from __future__ import print_function
import gdbremote_testcase
import lldbgdbserverutils
import re
import select
import socket
import time
from lldbsuite.test.lldbtest import *
class TestStubReverseConnect(gdbremote_testcase.GdbRemoteTestCaseBase):
mydir = TestBase.compute_mydir(__file__)
_DEFAULT_TIMEOUT = 20
def setUp(self):
# Set up the test.
gdbremote_testcase.GdbRemoteTestCaseBase.setUp(self)
# Create a listener on a local port.
self.listener_socket = self.create_listener_socket()
self.assertIsNotNone(self.listener_socket)
self.listener_port = self.listener_socket.getsockname()[1]
def create_listener_socket(self, timeout_seconds=_DEFAULT_TIMEOUT):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
self.assertIsNotNone(sock)
sock.settimeout(timeout_seconds)
sock.bind(("127.0.0.1",0))
sock.listen(1)
def tear_down_listener():
try:
sock.shutdown(socket.SHUT_RDWR)
except:
# ignore
None
self.addTearDownHook(tear_down_listener)
return sock
def reverse_connect_works(self):
# Indicate stub startup should do a reverse connect.
appended_stub_args = ["--reverse-connect"]
if self.debug_monitor_extra_args:
self.debug_monitor_extra_args += appended_stub_args
else:
self.debug_monitor_extra_args = appended_stub_args
self.stub_hostname = "127.0.0.1"
self.port = self.listener_port
triple = self.dbg.GetSelectedPlatform().GetTriple()
if re.match(".*-.*-.*-android", triple):
self.forward_adb_port(self.port, self.port, "reverse", self.stub_device)
# Start the stub.
server = self.launch_debug_monitor(logfile=sys.stdout)
self.assertIsNotNone(server)
self.assertTrue(lldbgdbserverutils.process_is_running(server.pid, True))
# Listen for the stub's connection to us.
(stub_socket, address) = self.listener_socket.accept()
self.assertIsNotNone(stub_socket)
self.assertIsNotNone(address)
print("connected to stub {} on {}".format(address, stub_socket.getsockname()))
# Verify we can do the handshake. If that works, we'll call it good.
self.do_handshake(stub_socket, timeout_seconds=self._DEFAULT_TIMEOUT)
# Clean up.
stub_socket.shutdown(socket.SHUT_RDWR)
@debugserver_test
def test_reverse_connect_works_debugserver(self):
self.init_debugserver_test(use_named_pipe=False)
self.set_inferior_startup_launch()
self.reverse_connect_works()
@llgs_test
@skipIfRemote # reverse connect is not a supported use case for now
def test_reverse_connect_works_llgs(self):
self.init_llgs_test(use_named_pipe=False)
self.set_inferior_startup_launch()
self.reverse_connect_works()
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