1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
import lldb
from lldbsuite.test.lldbtest import *
from lldbsuite.test.decorators import *
from lldbsuite.test.gdbclientutils import *
from lldbsuite.test.lldbgdbclient import GDBRemoteTestBase
@skipIf(hostoslist=["windows"])
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)
|
