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 40kill_wait() 41{ 42 kill $1 > /dev/null 2>&1 43 wait $1 2>/dev/null 44} 45 46cleanup() 47{ 48 echo "cleanup" 49 50 rm -rf $file 51 52 # Terminate the MPTCP connection and related processes 53 if [ $client4_pid -ne 0 ]; then 54 kill -SIGUSR1 $client4_pid > /dev/null 2>&1 55 fi 56 if [ $server4_pid -ne 0 ]; then 57 kill_wait $server4_pid 58 fi 59 if [ $client6_pid -ne 0 ]; then 60 kill -SIGUSR1 $client6_pid > /dev/null 2>&1 61 fi 62 if [ $server6_pid -ne 0 ]; then 63 kill_wait $server6_pid 64 fi 65 if [ $evts_pid -ne 0 ]; then 66 kill_wait $evts_pid 67 fi 68 local netns 69 for netns in "$ns1" "$ns2" ;do 70 ip netns del "$netns" 71 done 72} 73 74trap cleanup EXIT 75 76# Create and configure network namespaces for testing 77for i in "$ns1" "$ns2" ;do 78 ip netns add "$i" || exit 1 79 ip -net "$i" link set lo up 80 ip netns exec "$i" sysctl -q net.mptcp.enabled=1 81 ip netns exec "$i" sysctl -q net.mptcp.pm_type=1 82done 83 84# "$ns1" ns2 85# ns1eth2 ns2eth1 86 87ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2" 88 89# Add IPv4/v6 addresses to the namespaces 90ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2 91ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2 92ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad 93ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad 94ip -net "$ns1" link set ns1eth2 up 95 96ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1 97ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1 98ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad 99ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad 100ip -net "$ns2" link set ns2eth1 up 101 102stdbuf -o0 -e0 printf "Created network namespaces ns1, ns2 \t\t\t[OK]\n" 103 104make_file() 105{ 106 # Store a chunk of data in a file to transmit over an MPTCP connection 107 local name=$1 108 local ksize=1 109 110 dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null 111 echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" 112} 113 114make_connection() 115{ 116 local file 117 file=$(mktemp) 118 make_file "$file" "client" 119 120 local is_v6=$1 121 local app_port=$app4_port 122 local connect_addr="10.0.1.1" 123 local listen_addr="0.0.0.0" 124 if [ "$is_v6" = "v6" ] 125 then 126 connect_addr="dead:beef:1::1" 127 listen_addr="::" 128 app_port=$app6_port 129 else 130 is_v6="v4" 131 fi 132 133 # Capture netlink events over the two network namespaces running 134 # the MPTCP client and server 135 local client_evts 136 client_evts=$(mktemp) 137 :>"$client_evts" 138 ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 & 139 local client_evts_pid=$! 140 local server_evts 141 server_evts=$(mktemp) 142 :>"$server_evts" 143 ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 & 144 local server_evts_pid=$! 145 sleep 0.5 146 147 # Run the server 148 ip netns exec "$ns1" \ 149 ./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 & 150 local server_pid=$! 151 sleep 0.5 152 153 # Run the client, transfer $file and stay connected to the server 154 # to conduct tests 155 ip netns exec "$ns2" \ 156 ./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\ 157 2>&1 > /dev/null < "$file" & 158 local client_pid=$! 159 sleep 1 160 161 # Capture client/server attributes from MPTCP connection netlink events 162 kill_wait $client_evts_pid 163 164 local client_token 165 local client_port 166 local client_serverside 167 local server_token 168 local server_serverside 169 170 client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 171 client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") 172 client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ 173 "$client_evts") 174 kill_wait $server_evts_pid 175 server_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") 176 server_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ 177 "$server_evts") 178 rm -f "$client_evts" "$server_evts" "$file" 179 180 if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && 181 [ "$server_serverside" = 1 ] 182 then 183 stdbuf -o0 -e0 printf "Established IP%s MPTCP Connection ns2 => ns1 \t\t[OK]\n" $is_v6 184 else 185 exit 1 186 fi 187 188 if [ "$is_v6" = "v6" ] 189 then 190 client6_token=$client_token 191 server6_token=$server_token 192 client6_port=$client_port 193 client6_pid=$client_pid 194 server6_pid=$server_pid 195 else 196 client4_token=$client_token 197 server4_token=$server_token 198 client4_port=$client_port 199 client4_pid=$client_pid 200 server4_pid=$server_pid 201 fi 202} 203 204verify_announce_event() 205{ 206 local evt=$1 207 local e_type=$2 208 local e_token=$3 209 local e_addr=$4 210 local e_id=$5 211 local e_dport=$6 212 local e_af=$7 213 local type 214 local token 215 local addr 216 local dport 217 local id 218 219 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 220 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 221 if [ "$e_af" = "v6" ] 222 then 223 addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 224 else 225 addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 226 fi 227 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 228 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 229 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 230 [ "$addr" = "$e_addr" ] && [ "$dport" = "$e_dport" ] && 231 [ "$id" = "$e_id" ] 232 then 233 stdbuf -o0 -e0 printf "[OK]\n" 234 return 0 235 fi 236 stdbuf -o0 -e0 printf "[FAIL]\n" 237 exit 1 238} 239 240test_announce() 241{ 242 local evts 243 evts=$(mktemp) 244 # Capture events on the network namespace running the server 245 :>"$evts" 246 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 247 evts_pid=$! 248 sleep 0.5 249 250 # ADD_ADDR using an invalid token should result in no action 251 local invalid_token=$(( client4_token - 1)) 252 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\ 253 $client_addr_id dev ns2eth1 > /dev/null 2>&1 254 255 local type 256 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 257 stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t" 258 if [ "$type" = "" ] 259 then 260 stdbuf -o0 -e0 printf "[OK]\n" 261 else 262 stdbuf -o0 -e0 printf "[FAIL]\n" 263 exit 1 264 fi 265 266 # ADD_ADDR from the client to server machine reusing the subflow port 267 :>"$evts" 268 ip netns exec "$ns2"\ 269 ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ 270 ns2eth1 > /dev/null 2>&1 271 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id 272 sleep 0.5 273 verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2" "$client_addr_id"\ 274 "$client4_port" 275 276 # ADD_ADDR6 from the client to server machine reusing the subflow port 277 :>"$evts" 278 ip netns exec "$ns2" ./pm_nl_ctl ann\ 279 dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1 280 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id 281 sleep 0.5 282 verify_announce_event "$evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ 283 "$client_addr_id" "$client6_port" "v6" 284 285 # ADD_ADDR from the client to server machine using a new port 286 :>"$evts" 287 client_addr_id=$((client_addr_id+1)) 288 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 289 $client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1 290 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id 291 sleep 0.5 292 verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ 293 "$client_addr_id" "$new4_port" 294 295 kill_wait $evts_pid 296 297 # Capture events on the network namespace running the client 298 :>"$evts" 299 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 300 evts_pid=$! 301 sleep 0.5 302 303 # ADD_ADDR from the server to client machine reusing the subflow port 304 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 305 $server_addr_id dev ns1eth2 > /dev/null 2>&1 306 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id 307 sleep 0.5 308 verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 309 "$server_addr_id" "$app4_port" 310 311 # ADD_ADDR6 from the server to client machine reusing the subflow port 312 :>"$evts" 313 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 314 $server_addr_id dev ns1eth2 > /dev/null 2>&1 315 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id 316 sleep 0.5 317 verify_announce_event "$evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ 318 "$server_addr_id" "$app6_port" "v6" 319 320 # ADD_ADDR from the server to client machine using a new port 321 :>"$evts" 322 server_addr_id=$((server_addr_id+1)) 323 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 324 $server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1 325 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id 326 sleep 0.5 327 verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ 328 "$server_addr_id" "$new4_port" 329 330 kill_wait $evts_pid 331 rm -f "$evts" 332} 333 334verify_remove_event() 335{ 336 local evt=$1 337 local e_type=$2 338 local e_token=$3 339 local e_id=$4 340 local type 341 local token 342 local id 343 344 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 345 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 346 id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 347 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 348 [ "$id" = "$e_id" ] 349 then 350 stdbuf -o0 -e0 printf "[OK]\n" 351 return 0 352 fi 353 stdbuf -o0 -e0 printf "[FAIL]\n" 354 exit 1 355} 356 357test_remove() 358{ 359 local evts 360 evts=$(mktemp) 361 362 # Capture events on the network namespace running the server 363 :>"$evts" 364 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 365 evts_pid=$! 366 sleep 0.5 367 368 # RM_ADDR using an invalid token should result in no action 369 local invalid_token=$(( client4_token - 1 )) 370 ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\ 371 $client_addr_id > /dev/null 2>&1 372 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\ 373 $client_addr_id 374 local type 375 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 376 if [ "$type" = "" ] 377 then 378 stdbuf -o0 -e0 printf "[OK]\n" 379 else 380 stdbuf -o0 -e0 printf "[FAIL]\n" 381 fi 382 383 # RM_ADDR using an invalid addr id should result in no action 384 local invalid_id=$(( client_addr_id + 1 )) 385 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 386 $invalid_id > /dev/null 2>&1 387 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\ 388 $invalid_id 389 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 390 if [ "$type" = "" ] 391 then 392 stdbuf -o0 -e0 printf "[OK]\n" 393 else 394 stdbuf -o0 -e0 printf "[FAIL]\n" 395 fi 396 397 # RM_ADDR from the client to server machine 398 :>"$evts" 399 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 400 $client_addr_id > /dev/null 2>&1 401 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 402 $client_addr_id 403 sleep 0.5 404 verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" 405 406 # RM_ADDR from the client to server machine 407 :>"$evts" 408 client_addr_id=$(( client_addr_id - 1 )) 409 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ 410 $client_addr_id > /dev/null 2>&1 411 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ 412 $client_addr_id 413 sleep 0.5 414 verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" 415 416 # RM_ADDR6 from the client to server machine 417 :>"$evts" 418 ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ 419 $client_addr_id > /dev/null 2>&1 420 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns2 => ns1 \t"\ 421 $client_addr_id 422 sleep 0.5 423 verify_remove_event "$evts" "$REMOVED" "$server6_token" "$client_addr_id" 424 425 kill_wait $evts_pid 426 427 # Capture events on the network namespace running the client 428 :>"$evts" 429 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 430 evts_pid=$! 431 sleep 0.5 432 433 # RM_ADDR from the server to client machine 434 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 435 $server_addr_id > /dev/null 2>&1 436 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t"\ 437 $server_addr_id 438 sleep 0.5 439 verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" 440 441 # RM_ADDR from the server to client machine 442 :>"$evts" 443 server_addr_id=$(( server_addr_id - 1 )) 444 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ 445 $server_addr_id > /dev/null 2>&1 446 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t" $server_addr_id 447 sleep 0.5 448 verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" 449 450 # RM_ADDR6 from the server to client machine 451 :>"$evts" 452 ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ 453 $server_addr_id > /dev/null 2>&1 454 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns1 => ns2 \t" $server_addr_id 455 sleep 0.5 456 verify_remove_event "$evts" "$REMOVED" "$client6_token" "$server_addr_id" 457 458 kill_wait $evts_pid 459 rm -f "$evts" 460} 461 462verify_subflow_events() 463{ 464 local evt=$1 465 local e_type=$2 466 local e_token=$3 467 local e_family=$4 468 local e_saddr=$5 469 local e_daddr=$6 470 local e_dport=$7 471 local e_locid=$8 472 local e_remid=$9 473 shift 2 474 local e_from=$8 475 local e_to=$9 476 local type 477 local token 478 local family 479 local saddr 480 local daddr 481 local dport 482 local locid 483 local remid 484 485 if [ "$e_type" = "$SUB_ESTABLISHED" ] 486 then 487 if [ "$e_family" = "$AF_INET6" ] 488 then 489 stdbuf -o0 -e0 printf "CREATE_SUBFLOW6 %s (%s) => %s (%s) "\ 490 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 491 else 492 stdbuf -o0 -e0 printf "CREATE_SUBFLOW %s (%s) => %s (%s) \t"\ 493 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 494 fi 495 else 496 if [ "$e_family" = "$AF_INET6" ] 497 then 498 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW6 %s (%s) => %s (%s) "\ 499 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 500 else 501 stdbuf -o0 -e0 printf "DESTROY_SUBFLOW %s (%s) => %s (%s) \t"\ 502 "$e_saddr" "$e_from" "$e_daddr" "$e_to" 503 fi 504 fi 505 506 type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 507 token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 508 family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 509 dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 510 locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 511 remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt") 512 if [ "$family" = "$AF_INET6" ] 513 then 514 saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 515 daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt") 516 else 517 saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 518 daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt") 519 fi 520 521 if [ "$type" = "$e_type" ] && [ "$token" = "$e_token" ] && 522 [ "$daddr" = "$e_daddr" ] && [ "$e_dport" = "$dport" ] && 523 [ "$family" = "$e_family" ] && [ "$saddr" = "$e_saddr" ] && 524 [ "$e_locid" = "$locid" ] && [ "$e_remid" = "$remid" ] 525 then 526 stdbuf -o0 -e0 printf "[OK]\n" 527 return 0 528 fi 529 stdbuf -o0 -e0 printf "[FAIL]\n" 530 exit 1 531} 532 533test_subflows() 534{ 535 local evts 536 evts=$(mktemp) 537 # Capture events on the network namespace running the server 538 :>"$evts" 539 ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & 540 evts_pid=$! 541 sleep 0.5 542 543 # Attempt to add a listener at 10.0.2.2:<subflow-port> 544 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 545 "$client4_port" > /dev/null 2>&1 & 546 local listener_pid=$! 547 548 # ADD_ADDR from client to server machine reusing the subflow port 549 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 550 $client_addr_id > /dev/null 2>&1 551 sleep 0.5 552 553 # CREATE_SUBFLOW from server to client machine 554 :>"$evts" 555 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ 556 rport "$client4_port" token "$server4_token" > /dev/null 2>&1 557 sleep 0.5 558 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET" "10.0.2.1"\ 559 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 560 561 # Delete the listener from the client ns, if one was created 562 kill_wait $listener_pid 563 564 local sport 565 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 566 567 # DESTROY_SUBFLOW from server to client machine 568 :>"$evts" 569 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 570 "$client4_port" token "$server4_token" > /dev/null 2>&1 571 sleep 0.5 572 verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 573 "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" 574 575 # RM_ADDR from client to server machine 576 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 577 "$client4_token" > /dev/null 2>&1 578 sleep 0.5 579 580 # Attempt to add a listener at dead:beef:2::2:<subflow-port> 581 ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\ 582 "$client6_port" > /dev/null 2>&1 & 583 listener_pid=$! 584 585 # ADD_ADDR6 from client to server machine reusing the subflow port 586 :>"$evts" 587 ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ 588 $client_addr_id > /dev/null 2>&1 589 sleep 0.5 590 591 # CREATE_SUBFLOW6 from server to client machine 592 :>"$evts" 593 ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ 594 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 595 sleep 0.5 596 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ 597 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 598 "$client_addr_id" "ns1" "ns2" 599 600 # Delete the listener from the client ns, if one was created 601 kill_wait $listener_pid 602 603 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 604 605 # DESTROY_SUBFLOW6 from server to client machine 606 :>"$evts" 607 ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ 608 dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 609 sleep 0.5 610 verify_subflow_events "$evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ 611 "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ 612 "$client_addr_id" "ns1" "ns2" 613 614 # RM_ADDR from client to server machine 615 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 616 "$client6_token" > /dev/null 2>&1 617 sleep 0.5 618 619 # Attempt to add a listener at 10.0.2.2:<new-port> 620 ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ 621 $new4_port > /dev/null 2>&1 & 622 listener_pid=$! 623 624 # ADD_ADDR from client to server machine using a new port 625 :>"$evts" 626 ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ 627 $client_addr_id port $new4_port > /dev/null 2>&1 628 sleep 0.5 629 630 # CREATE_SUBFLOW from server to client machine 631 :>"$evts" 632 ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ 633 $new4_port token "$server4_token" > /dev/null 2>&1 634 sleep 0.5 635 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ 636 "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ 637 "$client_addr_id" "ns1" "ns2" 638 639 # Delete the listener from the client ns, if one was created 640 kill_wait $listener_pid 641 642 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 643 644 # DESTROY_SUBFLOW from server to client machine 645 :>"$evts" 646 ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ 647 $new4_port token "$server4_token" > /dev/null 2>&1 648 sleep 0.5 649 verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ 650 "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" 651 652 # RM_ADDR from client to server machine 653 ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ 654 "$client4_token" > /dev/null 2>&1 655 656 kill_wait $evts_pid 657 658 # Capture events on the network namespace running the client 659 :>"$evts" 660 ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & 661 evts_pid=$! 662 sleep 0.5 663 664 # Attempt to add a listener at 10.0.2.1:<subflow-port> 665 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 666 $app4_port > /dev/null 2>&1 & 667 listener_pid=$! 668 669 # ADD_ADDR from server to client machine reusing the subflow port 670 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 671 $server_addr_id > /dev/null 2>&1 672 sleep 0.5 673 674 # CREATE_SUBFLOW from client to server machine 675 :>"$evts" 676 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 677 $app4_port token "$client4_token" > /dev/null 2>&1 678 sleep 0.5 679 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET" "10.0.2.2"\ 680 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 681 682 # Delete the listener from the server ns, if one was created 683 kill_wait $listener_pid 684 685 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 686 687 # DESTROY_SUBFLOW from client to server machine 688 :>"$evts" 689 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 690 $app4_port token "$client4_token" > /dev/null 2>&1 691 sleep 0.5 692 verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 693 "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" 694 695 # RM_ADDR from server to client machine 696 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 697 "$server4_token" > /dev/null 2>&1 698 sleep 0.5 699 700 # Attempt to add a listener at dead:beef:2::1:<subflow-port> 701 ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\ 702 $app6_port > /dev/null 2>&1 & 703 listener_pid=$! 704 705 # ADD_ADDR6 from server to client machine reusing the subflow port 706 :>"$evts" 707 ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ 708 $server_addr_id > /dev/null 2>&1 709 sleep 0.5 710 711 # CREATE_SUBFLOW6 from client to server machine 712 :>"$evts" 713 ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ 714 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 715 sleep 0.5 716 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client6_token"\ 717 "$AF_INET6" "dead:beef:2::2"\ 718 "dead:beef:2::1" "$app6_port" "23"\ 719 "$server_addr_id" "ns2" "ns1" 720 721 # Delete the listener from the server ns, if one was created 722 kill_wait $listener_pid 723 724 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 725 726 # DESTROY_SUBFLOW6 from client to server machine 727 :>"$evts" 728 ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ 729 dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 730 sleep 0.5 731 verify_subflow_events "$evts" "$SUB_CLOSED" "$client6_token" "$AF_INET6" "dead:beef:2::2"\ 732 "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" 733 734 # RM_ADDR6 from server to client machine 735 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 736 "$server6_token" > /dev/null 2>&1 737 sleep 0.5 738 739 # Attempt to add a listener at 10.0.2.1:<new-port> 740 ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ 741 $new4_port > /dev/null 2>&1 & 742 listener_pid=$! 743 744 # ADD_ADDR from server to client machine using a new port 745 :>"$evts" 746 ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ 747 $server_addr_id port $new4_port > /dev/null 2>&1 748 sleep 0.5 749 750 # CREATE_SUBFLOW from client to server machine 751 :>"$evts" 752 ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ 753 $new4_port token "$client4_token" > /dev/null 2>&1 754 sleep 0.5 755 verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ 756 "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 757 758 # Delete the listener from the server ns, if one was created 759 kill_wait $listener_pid 760 761 sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") 762 763 # DESTROY_SUBFLOW from client to server machine 764 :>"$evts" 765 ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ 766 $new4_port token "$client4_token" > /dev/null 2>&1 767 sleep 0.5 768 verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ 769 "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" 770 771 # RM_ADDR from server to client machine 772 ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ 773 "$server4_token" > /dev/null 2>&1 774 775 kill_wait $evts_pid 776 rm -f "$evts" 777} 778 779test_prio() 780{ 781 local count 782 783 # Send MP_PRIO signal from client to server machine 784 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" 785 sleep 0.5 786 787 # Check TX 788 stdbuf -o0 -e0 printf "MP_PRIO TX \t" 789 count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}') 790 [ -z "$count" ] && count=0 791 if [ $count != 1 ]; then 792 stdbuf -o0 -e0 printf "[FAIL]\n" 793 exit 1 794 else 795 stdbuf -o0 -e0 printf "[OK]\n" 796 fi 797 798 # Check RX 799 stdbuf -o0 -e0 printf "MP_PRIO RX \t" 800 count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}') 801 [ -z "$count" ] && count=0 802 if [ $count != 1 ]; then 803 stdbuf -o0 -e0 printf "[FAIL]\n" 804 exit 1 805 else 806 stdbuf -o0 -e0 printf "[OK]\n" 807 fi 808} 809 810make_connection 811make_connection "v6" 812test_announce 813test_remove 814test_subflows 815test_prio 816 817exit 0 818