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
|
// Copyright 2020 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/un.h>
#include "gtest/gtest.h"
#include "test/syscalls/linux/ip_socket_test_util.h"
#include "test/syscalls/linux/socket_test_util.h"
#include "test/util/test_util.h"
namespace gvisor {
namespace testing {
// Test fixture for tests that apply to pairs of connected sockets.
using ConnectStressTest = SocketPairTest;
TEST_P(ConnectStressTest, Reset65kTimes) {
for (int i = 0; i < 1 << 16; ++i) {
auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
// Send some data to ensure that the connection gets reset and the port gets
// released immediately. This avoids either end entering TIME-WAIT.
char sent_data[100] = {};
ASSERT_THAT(write(sockets->first_fd(), sent_data, sizeof(sent_data)),
SyscallSucceedsWithValue(sizeof(sent_data)));
}
}
INSTANTIATE_TEST_SUITE_P(
AllConnectedSockets, ConnectStressTest,
::testing::Values(IPv6UDPBidirectionalBindSocketPair(0),
IPv4UDPBidirectionalBindSocketPair(0),
DualStackUDPBidirectionalBindSocketPair(0),
// Without REUSEADDR, we get port exhaustion on Linux.
SetSockOpt(SOL_SOCKET, SO_REUSEADDR,
&kSockOptOn)(IPv6TCPAcceptBindSocketPair(0)),
SetSockOpt(SOL_SOCKET, SO_REUSEADDR,
&kSockOptOn)(IPv4TCPAcceptBindSocketPair(0)),
SetSockOpt(SOL_SOCKET, SO_REUSEADDR, &kSockOptOn)(
DualStackTCPAcceptBindSocketPair(0))));
// Test fixture for tests that apply to pairs of connected sockets created with
// a persistent listener (if applicable).
using PersistentListenerConnectStressTest = SocketPairTest;
TEST_P(PersistentListenerConnectStressTest, 65kTimes) {
for (int i = 0; i < 1 << 16; ++i) {
auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
}
}
INSTANTIATE_TEST_SUITE_P(
AllConnectedSockets, PersistentListenerConnectStressTest,
::testing::Values(
IPv6UDPBidirectionalBindSocketPair(0),
IPv4UDPBidirectionalBindSocketPair(0),
DualStackUDPBidirectionalBindSocketPair(0),
// Without REUSEADDR, we get port exhaustion on Linux.
SetSockOpt(SOL_SOCKET, SO_REUSEADDR, &kSockOptOn)(
IPv6TCPAcceptBindPersistentListenerSocketPair(0)),
SetSockOpt(SOL_SOCKET, SO_REUSEADDR, &kSockOptOn)(
IPv4TCPAcceptBindPersistentListenerSocketPair(0)),
SetSockOpt(SOL_SOCKET, SO_REUSEADDR, &kSockOptOn)(
DualStackTCPAcceptBindPersistentListenerSocketPair(0))));
} // namespace testing
} // namespace gvisor
|
