1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4ip -Version > /dev/null 2>&1 5if [ $? -ne 0 ];then 6 echo "SKIP: Cannot not run test without ip tool" 7 exit 1 8fi 9 10ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED 11REMOVED=7 # MPTCP_EVENT_REMOVED 12SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED 13SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED 14 15AF_INET=2 16AF_INET6=10 17 18evts_pid=0 19client4_pid=0 20server4_pid=0 21client6_pid=0 22server6_pid=0 23client4_token="" 24server4_token="" 25client6_token="" 26server6_token="" 27client4_port=0; 28client6_port=0; 29app4_port=50002 30new4_port=50003 31app6_port=50004 32client_addr_id=${RANDOM:0:2} 33server_addr_id=${RANDOM:0:2} 34 35sec=$(date +%s) 36rndh=$(stdbuf -o0 -e0 printf %x "$sec")-$(mktemp -u XXXXXX) 37ns1="ns1-$rndh" 38ns2="ns2-$rndh" 39 40cleanup() 41{ 42 echo "cleanup" 43 44 rm -rf $file 45 46 # Terminate the MPTCP connection and related processes 47 if [ $client4_pid -ne 0 ]; then 48 kill -SIGUSR1 $client4_pid > /dev/null 2>&1 49 fi 50 if [ $server4_pid -ne 0 ]; then 51 kill $server4_pid > /dev/null 2>&1 52 fi 53 if [ $client6_pid -ne 0 ]; then 54 kill -SIGUSR1 $client6_pid > /dev/null 2>&1 55 fi 56 if [ $server6_pid -ne 0 ]; then 57 kill $server6_pid > /dev/null 2>&1 58 fi 59 if [ $evts_pid -ne 0 ]; then 60 kill $evts_pid > /dev/null 2>&1 61 fi 62 local netns 63 for netns in "$ns1" "$ns2" ;do 64 ip netns del "$netns" 65 done 66} 67 68trap cleanup EXIT 69 70# Create and configure network namespaces for testing 71for i in "$ns1" "$ns2" ;do 72 ip netns add "$i" || exit 1 73 ip -net "$i" link set lo up 74 ip netns exec "$i" sysctl -q net.mptcp.enabled=1 75 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 76done 77 78# "$ns1" ns2 79# ns1eth2 ns2eth1 80 81ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 82 83# Add IPv4/v6 addresses to the namespaces 84ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 85ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 86ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 87ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad 88ip -net "$ns1" link set ns1eth2 up 89 90ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 91ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 92ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 93ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad 94ip -net "$ns2" link set ns2eth1 up 95 96stdbuf -o0 -e0 printf "Created network namespaces ns1, ns2 \t\t\t[OK]\n" 97 98make_file() 99{ 100 # Store a chunk of data in a file to transmit over an MPTCP connection 101 local name=$1 102 local ksize=1 103 104 dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null 105 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 106} 107 108make_connection() 109{ 110 local file 111 file=$(mktemp) 112 make_file "$file" "client" 113 114 local is_v6=$1 115 local app_port=$app4_port 116 local connect_addr="10.0.1.1" 117 local listen_addr="0.0.0.0" 118 if [ "$is_v6" = "v6" ] 119 then 120 connect_addr="dead:beef:1::1" 121 listen_addr="::" 122 app_port=$app6_port 123 else 124 is_v6="v4" 125 fi 126 127 # Capture netlink events over the two network namespaces running 128 # the MPTCP client and server 129 local client_evts 130 client_evts=$(mktemp) 131 :>"$client_evts" 132 ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 & 133 local client_evts_pid=$! 134 local server_evts 135 server_evts=$(mktemp) 136 :>"$server_evts" 137 ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 & 138 local server_evts_pid=$! 139 sleep 0.5 140 141 # Run the server 142 ip netns exec "$ns1" \ 143 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 144 local server_pid=$! 145 sleep 0.5 146 147 # Run the client, transfer $file and stay connected to the server 148 # to conduct tests 149 ip netns exec "$ns2" \ 150 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 151 2>&1 > /dev/null < "$file" & 152 local client_pid=$! 153 sleep 1 154 155 # Capture client/server attributes from MPTCP connection netlink events 156 kill $client_evts_pid 157 158 local client_token 159 local client_port 160 local client_serverside 161 local server_token 162 local server_serverside 163 164 client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 165 client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 166 client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ 167 "$client_evts") 168 kill $server_evts_pid 169 server_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 170 server_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ 171 "$server_evts") 172 rm -f "$client_evts" "$server_evts" "$file" 173 174 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && 175 [ "$server_serverside" = 1 ] 176 then 177 stdbuf -o0 -e0 printf "Established IP%s MPTCP Connection ns2 => ns1 \t\t[OK]\n" $is_v6 178 else 179 exit 1 180 fi 181 182 if [ "$is_v6" = "v6" ] 183 then 184 client6_token=$client_token 185 server6_token=$server_token 186 client6_port=$client_port 187 client6_pid=$client_pid 188 server6_pid=$server_pid 189 else 190 client4_token=$client_token 191 server4_token=$server_token 192 client4_port=$client_port 193 client4_pid=$client_pid 194 server4_pid=$server_pid 195 fi 196} 197 198verify_announce_event() 199{ 200 local evt=$1 201 local e_type=$2 202 local e_token=$3 203 local e_addr=$4 204 local e_id=$5 205 local e_dport=$6 206 local e_af=$7 207 local type 208 local token 209 local addr 210 local dport 211 local id 212 213 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 214 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 215 if [ "$e_af" = "v6" ] 216 then 217 addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 218 else 219 addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 220 fi 221 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 222 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 223 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 224 [ "$addr" = "$e_addr" ] && [ "$dport" = "$e_dport" ] && 225 [ "$id" = "$e_id" ] 226 then 227 stdbuf -o0 -e0 printf "[OK]\n" 228 return 0 229 fi 230 stdbuf -o0 -e0 printf "[FAIL]\n" 231 exit 1 232} 233 234test_announce() 235{ 236 local evts 237 evts=$(mktemp) 238 # Capture events on the network namespace running the server 239 :>"$evts" 240 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 241 evts_pid=$! 242 sleep 0.5 243 244 # ADD_ADDR using an invalid token should result in no action 245 local invalid_token=$(( client4_token - 1)) 246 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 247 $client_addr_id dev ns2eth1 > /dev/null 2>&1 248 249 local type 250 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 251 stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t" 252 if [ "$type" = "" ] 253 then 254 stdbuf -o0 -e0 printf "[OK]\n" 255 else 256 stdbuf -o0 -e0 printf "[FAIL]\n" 257 exit 1 258 fi 259 260 # ADD_ADDR from the client to server machine reusing the subflow port 261 :>"$evts" 262 ip netns exec "$ns2"\ 263 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 264 ns2eth1 > /dev/null 2>&1 265 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id 266 sleep 0.5 267 verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2" "$client_addr_id"\ 268 "$client4_port" 269 270 # ADD_ADDR6 from the client to server machine reusing the subflow port 271 :>"$evts" 272 ip netns exec "$ns2" ./pm_nl_ctl ann\ 273 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1 274 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id 275 sleep 0.5 276 verify_announce_event "$evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 277 "$client_addr_id" "$client6_port" "v6" 278 279 # ADD_ADDR from the client to server machine using a new port 280 :>"$evts" 281 client_addr_id=$((client_addr_id+1)) 282 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 283 $client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1 284 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id 285 sleep 0.5 286 verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 287 "$client_addr_id" "$new4_port" 288 289 kill $evts_pid 290 291 # Capture events on the network namespace running the client 292 :>"$evts" 293 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 294 evts_pid=$! 295 sleep 0.5 296 297 # ADD_ADDR from the server to client machine reusing the subflow port 298 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 299 $server_addr_id dev ns1eth2 > /dev/null 2>&1 300 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id 301 sleep 0.5 302 verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 303 "$server_addr_id" "$app4_port" 304 305 # ADD_ADDR6 from the server to client machine reusing the subflow port 306 :>"$evts" 307 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 308 $server_addr_id dev ns1eth2 > /dev/null 2>&1 309 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id 310 sleep 0.5 311 verify_announce_event "$evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 312 "$server_addr_id" "$app6_port" "v6" 313 314 # ADD_ADDR from the server to client machine using a new port 315 :>"$evts" 316 server_addr_id=$((server_addr_id+1)) 317 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 318 $server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1 319 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id 320 sleep 0.5 321 verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 322 "$server_addr_id" "$new4_port" 323 324 kill $evts_pid 325 rm -f "$evts" 326} 327 328verify_remove_event() 329{ 330 local evt=$1 331 local e_type=$2 332 local e_token=$3 333 local e_id=$4 334 local type 335 local token 336 local id 337 338 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 339 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 340 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 341 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 342 [ "$id" = "$e_id" ] 343 then 344 stdbuf -o0 -e0 printf "[OK]\n" 345 return 0 346 fi 347 stdbuf -o0 -e0 printf "[FAIL]\n" 348 exit 1 349} 350 351test_remove() 352{ 353 local evts 354 evts=$(mktemp) 355 356 # Capture events on the network namespace running the server 357 :>"$evts" 358 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 359 evts_pid=$! 360 sleep 0.5 361 362 # RM_ADDR using an invalid token should result in no action 363 local invalid_token=$(( client4_token - 1 )) 364 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 365 $client_addr_id > /dev/null 2>&1 366 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\ 367 $client_addr_id 368 local type 369 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 370 if [ "$type" = "" ] 371 then 372 stdbuf -o0 -e0 printf "[OK]\n" 373 else 374 stdbuf -o0 -e0 printf "[FAIL]\n" 375 fi 376 377 # RM_ADDR using an invalid addr id should result in no action 378 local invalid_id=$(( client_addr_id + 1 )) 379 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 380 $invalid_id > /dev/null 2>&1 381 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\ 382 $invalid_id 383 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 384 if [ "$type" = "" ] 385 then 386 stdbuf -o0 -e0 printf "[OK]\n" 387 else 388 stdbuf -o0 -e0 printf "[FAIL]\n" 389 fi 390 391 # RM_ADDR from the client to server machine 392 :>"$evts" 393 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 394 $client_addr_id > /dev/null 2>&1 395 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 396 $client_addr_id 397 sleep 0.5 398 verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" 399 400 # RM_ADDR from the client to server machine 401 :>"$evts" 402 client_addr_id=$(( client_addr_id - 1 )) 403 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 404 $client_addr_id > /dev/null 2>&1 405 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 406 $client_addr_id 407 sleep 0.5 408 verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" 409 410 # RM_ADDR6 from the client to server machine 411 :>"$evts" 412 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 413 $client_addr_id > /dev/null 2>&1 414 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns2 => ns1 \t"\ 415 $client_addr_id 416 sleep 0.5 417 verify_remove_event "$evts" "$REMOVED" "$server6_token" "$client_addr_id" 418 419 kill $evts_pid 420 421 # Capture events on the network namespace running the client 422 :>"$evts" 423 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 424 evts_pid=$! 425 sleep 0.5 426 427 # RM_ADDR from the server to client machine 428 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 429 $server_addr_id > /dev/null 2>&1 430 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t"\ 431 $server_addr_id 432 sleep 0.5 433 verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" 434 435 # RM_ADDR from the server to client machine 436 :>"$evts" 437 server_addr_id=$(( server_addr_id - 1 )) 438 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 439 $server_addr_id > /dev/null 2>&1 440 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t" $server_addr_id 441 sleep 0.5 442 verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" 443 444 # RM_ADDR6 from the server to client machine 445 :>"$evts" 446 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 447 $server_addr_id > /dev/null 2>&1 448 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns1 => ns2 \t" $server_addr_id 449 sleep 0.5 450 verify_remove_event "$evts" "$REMOVED" "$client6_token" "$server_addr_id" 451 452 kill $evts_pid 453 rm -f "$evts" 454} 455 456verify_subflow_events() 457{ 458 local evt=$1 459 local e_type=$2 460 local e_token=$3 461 local e_family=$4 462 local e_saddr=$5 463 local e_daddr=$6 464 local e_dport=$7 465 local e_locid=$8 466 local e_remid=$9 467 shift 2 468 local e_from=$8 469 local e_to=$9 470 local type 471 local token 472 local family 473 local saddr 474 local daddr 475 local dport 476 local locid 477 local remid 478 479 if [ "$e_type" = "$SUB_ESTABLISHED" ] 480 then 481 if [ "$e_family" = "$AF_INET6" ] 482 then 483 stdbuf -o0 -e0 printf "CREATE_SUBFLOW6 %s (%s) => %s (%s) "\ 484 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 485 else 486 stdbuf -o0 -e0 printf "CREATE_SUBFLOW %s (%s) => %s (%s) \t"\ 487 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 488 fi 489 else 490 if [ "$e_family" = "$AF_INET6" ] 491 then 492 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW6 %s (%s) => %s (%s) "\ 493 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 494 else 495 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW %s (%s) => %s (%s) \t"\ 496 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 497 fi 498 fi 499 500 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 501 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 502 family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 503 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 504 locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 505 remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 506 if [ "$family" = "$AF_INET6" ] 507 then 508 saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 509 daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 510 else 511 saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 512 daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 513 fi 514 515 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 516 [ "$daddr" = "$e_daddr" ] && [ "$e_dport" = "$dport" ] && 517 [ "$family" = "$e_family" ] && [ "$saddr" = "$e_saddr" ] && 518 [ "$e_locid" = "$locid" ] && [ "$e_remid" = "$remid" ] 519 then 520 stdbuf -o0 -e0 printf "[OK]\n" 521 return 0 522 fi 523 stdbuf -o0 -e0 printf "[FAIL]\n" 524 exit 1 525} 526 527test_subflows() 528{ 529 local evts 530 evts=$(mktemp) 531 # Capture events on the network namespace running the server 532 :>"$evts" 533 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 534 evts_pid=$! 535 sleep 0.5 536 537 # Attempt to add a listener at 10.0.2.2:<subflow-port> 538 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 539 "$client4_port" > /dev/null 2>&1 & 540 local listener_pid=$! 541 542 # ADD_ADDR from client to server machine reusing the subflow port 543 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 544 $client_addr_id > /dev/null 2>&1 545 sleep 0.5 546 547 # CREATE_SUBFLOW from server to client machine 548 :>"$evts" 549 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 550 rport "$client4_port" token "$server4_token" > /dev/null 2>&1 551 sleep 0.5 552 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET" "10.0.2.1"\ 553 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 554 555 # Delete the listener from the client ns, if one was created 556 kill $listener_pid > /dev/null 2>&1 557 558 local sport 559 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 560 561 # DESTROY_SUBFLOW from server to client machine 562 :>"$evts" 563 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 564 "$client4_port" token "$server4_token" > /dev/null 2>&1 565 sleep 0.5 566 verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 567 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 568 569 # RM_ADDR from client to server machine 570 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 571 "$client4_token" > /dev/null 2>&1 572 sleep 0.5 573 574 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 575 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 576 "$client6_port" > /dev/null 2>&1 & 577 listener_pid=$! 578 579 # ADD_ADDR6 from client to server machine reusing the subflow port 580 :>"$evts" 581 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 582 $client_addr_id > /dev/null 2>&1 583 sleep 0.5 584 585 # CREATE_SUBFLOW6 from server to client machine 586 :>"$evts" 587 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 588 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 589 sleep 0.5 590 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 591 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 592 "$client_addr_id" "ns1" "ns2" 593 594 # Delete the listener from the client ns, if one was created 595 kill $listener_pid > /dev/null 2>&1 596 597 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 598 599 # DESTROY_SUBFLOW6 from server to client machine 600 :>"$evts" 601 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 602 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 603 sleep 0.5 604 verify_subflow_events "$evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 605 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 606 "$client_addr_id" "ns1" "ns2" 607 608 # RM_ADDR from client to server machine 609 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 610 "$client6_token" > /dev/null 2>&1 611 sleep 0.5 612 613 # Attempt to add a listener at 10.0.2.2:<new-port> 614 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 615 $new4_port > /dev/null 2>&1 & 616 listener_pid=$! 617 618 # ADD_ADDR from client to server machine using a new port 619 :>"$evts" 620 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 621 $client_addr_id port $new4_port > /dev/null 2>&1 622 sleep 0.5 623 624 # CREATE_SUBFLOW from server to client machine 625 :>"$evts" 626 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 627 $new4_port token "$server4_token" > /dev/null 2>&1 628 sleep 0.5 629 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 630 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 631 "$client_addr_id" "ns1" "ns2" 632 633 # Delete the listener from the client ns, if one was created 634 kill $listener_pid > /dev/null 2>&1 635 636 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 637 638 # DESTROY_SUBFLOW from server to client machine 639 :>"$evts" 640 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 641 $new4_port token "$server4_token" > /dev/null 2>&1 642 sleep 0.5 643 verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 644 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 645 646 # RM_ADDR from client to server machine 647 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 648 "$client4_token" > /dev/null 2>&1 649 650 kill $evts_pid 651 652 # Capture events on the network namespace running the client 653 :>"$evts" 654 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 655 evts_pid=$! 656 sleep 0.5 657 658 # Attempt to add a listener at 10.0.2.1:<subflow-port> 659 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 660 $app4_port > /dev/null 2>&1 & 661 listener_pid=$! 662 663 # ADD_ADDR from server to client machine reusing the subflow port 664 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 665 $server_addr_id > /dev/null 2>&1 666 sleep 0.5 667 668 # CREATE_SUBFLOW from client to server machine 669 :>"$evts" 670 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 671 $app4_port token "$client4_token" > /dev/null 2>&1 672 sleep 0.5 673 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET" "10.0.2.2"\ 674 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 675 676 # Delete the listener from the server ns, if one was created 677 kill $listener_pid> /dev/null 2>&1 678 679 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 680 681 # DESTROY_SUBFLOW from client to server machine 682 :>"$evts" 683 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 684 $app4_port token "$client4_token" > /dev/null 2>&1 685 sleep 0.5 686 verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 687 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 688 689 # RM_ADDR from server to client machine 690 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 691 "$server4_token" > /dev/null 2>&1 692 sleep 0.5 693 694 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 695 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 696 $app6_port > /dev/null 2>&1 & 697 listener_pid=$! 698 699 # ADD_ADDR6 from server to client machine reusing the subflow port 700 :>"$evts" 701 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 702 $server_addr_id > /dev/null 2>&1 703 sleep 0.5 704 705 # CREATE_SUBFLOW6 from client to server machine 706 :>"$evts" 707 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 708 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 709 sleep 0.5 710 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client6_token"\ 711 "$AF_INET6" "dead:beef:2::2"\ 712 "dead:beef:2::1" "$app6_port" "23"\ 713 "$server_addr_id" "ns2" "ns1" 714 715 # Delete the listener from the server ns, if one was created 716 kill $listener_pid > /dev/null 2>&1 717 718 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 719 720 # DESTROY_SUBFLOW6 from client to server machine 721 :>"$evts" 722 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 723 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 724 sleep 0.5 725 verify_subflow_events "$evts" "$SUB_CLOSED" "$client6_token" "$AF_INET6" "dead:beef:2::2"\ 726 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 727 728 # RM_ADDR6 from server to client machine 729 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 730 "$server6_token" > /dev/null 2>&1 731 sleep 0.5 732 733 # Attempt to add a listener at 10.0.2.1:<new-port> 734 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 735 $new4_port > /dev/null 2>&1 & 736 listener_pid=$! 737 738 # ADD_ADDR from server to client machine using a new port 739 :>"$evts" 740 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 741 $server_addr_id port $new4_port > /dev/null 2>&1 742 sleep 0.5 743 744 # CREATE_SUBFLOW from client to server machine 745 :>"$evts" 746 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 747 $new4_port token "$client4_token" > /dev/null 2>&1 748 sleep 0.5 749 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 750 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 751 752 # Delete the listener from the server ns, if one was created 753 kill $listener_pid > /dev/null 2>&1 754 755 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 756 757 # DESTROY_SUBFLOW from client to server machine 758 :>"$evts" 759 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 760 $new4_port token "$client4_token" > /dev/null 2>&1 761 sleep 0.5 762 verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 763 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 764 765 # RM_ADDR from server to client machine 766 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 767 "$server4_token" > /dev/null 2>&1 768 769 kill $evts_pid 770 rm -f "$evts" 771} 772 773test_prio() 774{ 775 local count 776 777 # Send MP_PRIO signal from client to server machine 778 ip netns exec "$ns2" ./pm_nl_ctl set 10.0.1.2 port "$client4_port" flags backup token "$client4_token" rip 10.0.1.1 rport "$server4_port" 779 sleep 0.5 780 781 # Check TX 782 stdbuf -o0 -e0 printf "MP_PRIO TX \t" 783 count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}') 784 [ -z "$count" ] && count=0 785 if [ $count != 1 ]; then 786 stdbuf -o0 -e0 printf "[FAIL]\n" 787 exit 1 788 else 789 stdbuf -o0 -e0 printf "[OK]\n" 790 fi 791 792 # Check RX 793 stdbuf -o0 -e0 printf "MP_PRIO RX \t" 794 count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}') 795 [ -z "$count" ] && count=0 796 if [ $count != 1 ]; then 797 stdbuf -o0 -e0 printf "[FAIL]\n" 798 exit 1 799 else 800 stdbuf -o0 -e0 printf "[OK]\n" 801 fi 802} 803 804make_connection 805make_connection "v6" 806test_announce 807test_remove 808test_subflows 809test_prio 810 811exit 0 812