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import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
from lldbsuite.test.gdbclientutils import *
from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
@skipIfWindows
class TestPty(GDBRemoteTestBase):
server_socket_class = PtyServerSocket
def get_term_attrs(self):
import termios
return termios.tcgetattr(self._secondary_socket)
def setUp(self):
super().setUp()
# Duplicate the pty descriptors so we can inspect the pty state after
# they are closed
self._primary_socket = os.dup(self.server._socket._primary.name)
self._secondary_socket = os.dup(self.server._socket._secondary.name)
self.orig_attr = self.get_term_attrs()
def assert_raw_mode(self, current_attr):
import termios
self.assertEqual(current_attr[0] & (termios.BRKINT |
termios.PARMRK |
termios.ISTRIP | termios.INLCR |
termios.IGNCR | termios.ICRNL |
termios.IXON),
0)
self.assertEqual(current_attr[1] & termios.OPOST, 0)
self.assertEqual(current_attr[2] & termios.CSIZE, termios.CS8)
self.assertEqual(current_attr[3] & (termios.ICANON | termios.ECHO |
termios.ISIG | termios.IEXTEN),
0)
self.assertEqual(current_attr[6][termios.VMIN], 1)
self.assertEqual(current_attr[6][termios.VTIME], 0)
def get_parity_flags(self, attr):
import termios
return attr[2] & (termios.PARENB | termios.PARODD)
def get_stop_bit_flags(self, attr):
import termios
return attr[2] & termios.CSTOPB
def test_process_connect_sync(self):
"""Test the process connect command in synchronous mode"""
try:
self.dbg.SetAsync(False)
self.expect("platform select remote-gdb-server",
substrs=['Platform: remote-gdb-server', 'Connected: no'])
self.expect("process connect " + self.server.get_connect_url(),
substrs=['Process', 'stopped'])
current_attr = self.get_term_attrs()
# serial:// should set raw mode
self.assert_raw_mode(current_attr)
# other parameters should be unmodified
self.assertEqual(current_attr[4:6], self.orig_attr[4:6])
self.assertEqual(self.get_parity_flags(current_attr),
self.get_parity_flags(self.orig_attr))
self.assertEqual(self.get_stop_bit_flags(current_attr),
self.get_stop_bit_flags(self.orig_attr))
finally:
self.dbg.GetSelectedTarget().GetProcess().Kill()
# original mode should be restored on exit
self.assertEqual(self.get_term_attrs(), self.orig_attr)
def test_process_connect_async(self):
"""Test the process connect command in asynchronous mode"""
try:
self.dbg.SetAsync(True)
self.expect("platform select remote-gdb-server",
substrs=['Platform: remote-gdb-server', 'Connected: no'])
self.expect("process connect " + self.server.get_connect_url(),
matching=False,
substrs=['Process', 'stopped'])
lldbutil.expect_state_changes(self, self.dbg.GetListener(),
self.process(), [lldb.eStateStopped])
current_attr = self.get_term_attrs()
# serial:// should set raw mode
self.assert_raw_mode(current_attr)
# other parameters should be unmodified
self.assertEqual(current_attr[4:6], self.orig_attr[4:6])
self.assertEqual(self.get_parity_flags(current_attr),
self.get_parity_flags(self.orig_attr))
self.assertEqual(self.get_stop_bit_flags(current_attr),
self.get_stop_bit_flags(self.orig_attr))
finally:
self.dbg.GetSelectedTarget().GetProcess().Kill()
lldbutil.expect_state_changes(self, self.dbg.GetListener(),
self.process(), [lldb.eStateExited])
# original mode should be restored on exit
self.assertEqual(self.get_term_attrs(), self.orig_attr)
def test_connect_via_file(self):
"""Test connecting via the legacy file:// URL"""
import termios
try:
self.expect("platform select remote-gdb-server",
substrs=['Platform: remote-gdb-server', 'Connected: no'])
self.expect("process connect file://" +
self.server.get_connect_address(),
substrs=['Process', 'stopped'])
# file:// sets baud rate and some raw-related flags
current_attr = self.get_term_attrs()
self.assertEqual(current_attr[3] & (termios.ICANON | termios.ECHO |
termios.ECHOE | termios.ISIG),
0)
self.assertEqual(current_attr[4], termios.B115200)
self.assertEqual(current_attr[5], termios.B115200)
self.assertEqual(current_attr[6][termios.VMIN], 1)
self.assertEqual(current_attr[6][termios.VTIME], 0)
finally:
self.dbg.GetSelectedTarget().GetProcess().Kill()
def test_process_connect_params(self):
"""Test serial:// URL with parameters"""
import termios
try:
self.expect("platform select remote-gdb-server",
substrs=['Platform: remote-gdb-server', 'Connected: no'])
self.expect("process connect " + self.server.get_connect_url() +
"?baud=115200&stop-bits=2",
substrs=['Process', 'stopped'])
current_attr = self.get_term_attrs()
self.assert_raw_mode(current_attr)
self.assertEqual(current_attr[4:6], 2 * [termios.B115200])
self.assertEqual(self.get_parity_flags(current_attr),
self.get_parity_flags(self.orig_attr))
self.assertEqual(self.get_stop_bit_flags(current_attr),
termios.CSTOPB)
finally:
self.dbg.GetSelectedTarget().GetProcess().Kill()
# original mode should be restored on exit
self.assertEqual(self.get_term_attrs(), self.orig_attr)
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