blob: 400cf1ce96e31d434fe8324ca831c132b3569b4e (
plain)
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
. "$(dirname "${0}")/mptcp_lib.sh"
rndh=$(printf %x $sec)-$(mktemp -u XXXXXX)
ns="ns1-$rndh"
ksft_skip=4
test_cnt=1
timeout_poll=100
timeout_test=$((timeout_poll * 2 + 1))
ret=0
flush_pids()
{
# mptcp_connect in join mode will sleep a bit before completing,
# give it some time
sleep 1.1
ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGUSR1 &>/dev/null
}
cleanup()
{
ip netns pids "${ns}" | xargs --no-run-if-empty kill -SIGKILL &>/dev/null
ip netns del $ns
}
mptcp_lib_check_mptcp
ip -Version > /dev/null 2>&1
if [ $? -ne 0 ];then
echo "SKIP: Could not run test without ip tool"
exit $ksft_skip
fi
ss -h | grep -q MPTCP
if [ $? -ne 0 ];then
echo "SKIP: ss tool does not support MPTCP"
exit $ksft_skip
fi
__chk_nr()
{
local command="$1"
local expected=$2
local msg="$3"
local skip="${4:-SKIP}"
local nr
nr=$(eval $command)
printf "%-50s" "$msg"
if [ $nr != $expected ]; then
if [ $nr = "$skip" ] && ! mptcp_lib_expect_all_features; then
echo "[ skip ] Feature probably not supported"
else
echo "[ fail ] expected $expected found $nr"
ret=$test_cnt
fi
else
echo "[ ok ]"
fi
test_cnt=$((test_cnt+1))
}
__chk_msk_nr()
{
local condition=$1
shift 1
__chk_nr "ss -inmHMN $ns | $condition" "$@"
}
chk_msk_nr()
{
__chk_msk_nr "grep -c token:" "$@"
}
wait_msk_nr()
{
local condition="grep -c token:"
local expected=$1
local timeout=20
local msg nr
local max=0
local i=0
shift 1
msg=$*
while [ $i -lt $timeout ]; do
nr=$(ss -inmHMN $ns | $condition)
[ $nr == $expected ] && break;
[ $nr -gt $max ] && max=$nr
i=$((i + 1))
sleep 1
done
printf "%-50s" "$msg"
if [ $i -ge $timeout ]; then
echo "[ fail ] timeout while expecting $expected max $max last $nr"
ret=$test_cnt
elif [ $nr != $expected ]; then
echo "[ fail ] expected $expected found $nr"
ret=$test_cnt
else
echo "[ ok ]"
fi
test_cnt=$((test_cnt+1))
}
chk_msk_fallback_nr()
{
__chk_msk_nr "grep -c fallback" "$@"
}
chk_msk_remote_key_nr()
{
__chk_msk_nr "grep -c remote_key" "$@"
}
__chk_listen()
{
local filter="$1"
local expected=$2
local msg="$3"
__chk_nr "ss -N $ns -Ml '$filter' | grep -c LISTEN" "$expected" "$msg" 0
}
chk_msk_listen()
{
lport=$1
# destination port search should always return empty list
__chk_listen "dport $lport" 0 "listen match for dport $lport"
# should return 'our' mptcp listen socket
__chk_listen "sport $lport" 1 "listen match for sport $lport"
__chk_listen "src inet:0.0.0.0:$lport" 1 "listen match for saddr and sport"
__chk_listen "" 1 "all listen sockets"
nr=$(ss -Ml $filter | wc -l)
}
# $1: ns, $2: port
wait_local_port_listen()
{
local listener_ns="${1}"
local port="${2}"
local port_hex i
port_hex="$(printf "%04X" "${port}")"
for i in $(seq 10); do
ip netns exec "${listener_ns}" cat /proc/net/tcp | \
awk "BEGIN {rc=1} {if (\$2 ~ /:${port_hex}\$/ && \$4 ~ /0A/) {rc=0; exit}} END {exit rc}" &&
break
sleep 0.1
done
}
wait_connected()
{
local listener_ns="${1}"
local port="${2}"
local port_hex i
port_hex="$(printf "%04X" "${port}")"
for i in $(seq 10); do
ip netns exec ${listener_ns} grep -q " 0100007F:${port_hex} " /proc/net/tcp && break
sleep 0.1
done
}
trap cleanup EXIT
ip netns add $ns
ip -n $ns link set dev lo up
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10000 -l -t ${timeout_poll} -w 20 \
0.0.0.0 >/dev/null &
wait_local_port_listen $ns 10000
chk_msk_nr 0 "no msk on netns creation"
chk_msk_listen 10000
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10000 -r 0 -t ${timeout_poll} -w 20 \
127.0.0.1 >/dev/null &
wait_connected $ns 10000
chk_msk_nr 2 "after MPC handshake "
chk_msk_remote_key_nr 2 "....chk remote_key"
chk_msk_fallback_nr 0 "....chk no fallback"
flush_pids
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10001 -l -s TCP -t ${timeout_poll} -w 20 \
0.0.0.0 >/dev/null &
wait_local_port_listen $ns 10001
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p 10001 -r 0 -t ${timeout_poll} -w 20 \
127.0.0.1 >/dev/null &
wait_connected $ns 10001
chk_msk_fallback_nr 1 "check fallback"
flush_pids
NR_CLIENTS=100
for I in `seq 1 $NR_CLIENTS`; do
echo "a" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p $((I+10001)) -l -w 20 \
-t ${timeout_poll} 0.0.0.0 >/dev/null &
done
wait_local_port_listen $ns $((NR_CLIENTS + 10001))
for I in `seq 1 $NR_CLIENTS`; do
echo "b" | \
timeout ${timeout_test} \
ip netns exec $ns \
./mptcp_connect -p $((I+10001)) -w 20 \
-t ${timeout_poll} 127.0.0.1 >/dev/null &
done
wait_msk_nr $((NR_CLIENTS*2)) "many msk socket present"
flush_pids
exit $ret
|
