diff options
| -rw-r--r-- | include/uapi/linux/mptcp.h | 9 | ||||
| -rw-r--r-- | net/mptcp/pm_netlink.c | 57 | ||||
| -rw-r--r-- | net/mptcp/protocol.c | 3 | ||||
| -rw-r--r-- | net/mptcp/protocol.h | 2 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/diag.sh | 1 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_connect.sh | 6 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_join.sh | 118 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/mptcp_sockopt.sh | 69 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/simult_flows.sh | 4 | ||||
| -rwxr-xr-x | tools/testing/selftests/net/mptcp/userspace_pm.sh | 298 |
10 files changed, 375 insertions, 192 deletions
diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h index dfe19bf13f4c..32af2d278cb4 100644 --- a/include/uapi/linux/mptcp.h +++ b/include/uapi/linux/mptcp.h @@ -160,6 +160,12 @@ struct mptcp_info { * daddr4 | daddr6, sport, dport, backup, if_idx * [, error] * The priority of a subflow has changed. 'error' should not be set. + * + * MPTCP_EVENT_LISTENER_CREATED: family, sport, saddr4 | saddr6 + * A new PM listener is created. + * + * MPTCP_EVENT_LISTENER_CLOSED: family, sport, saddr4 | saddr6 + * A PM listener is closed. */ enum mptcp_event_type { MPTCP_EVENT_UNSPEC = 0, @@ -174,6 +180,9 @@ enum mptcp_event_type { MPTCP_EVENT_SUB_CLOSED = 11, MPTCP_EVENT_SUB_PRIORITY = 13, + + MPTCP_EVENT_LISTENER_CREATED = 15, + MPTCP_EVENT_LISTENER_CLOSED = 16, }; enum mptcp_event_attr { diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index d66fbd558263..eef69d0e44ec 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -1029,6 +1029,8 @@ static int mptcp_pm_nl_create_listen_socket(struct sock *sk, if (err) return err; + mptcp_event_pm_listener(ssock->sk, MPTCP_EVENT_LISTENER_CREATED); + return 0; } @@ -2152,6 +2154,58 @@ nla_put_failure: kfree_skb(skb); } +void mptcp_event_pm_listener(const struct sock *ssk, + enum mptcp_event_type event) +{ + const struct inet_sock *issk = inet_sk(ssk); + struct net *net = sock_net(ssk); + struct nlmsghdr *nlh; + struct sk_buff *skb; + + if (!genl_has_listeners(&mptcp_genl_family, net, MPTCP_PM_EV_GRP_OFFSET)) + return; + + skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!skb) + return; + + nlh = genlmsg_put(skb, 0, 0, &mptcp_genl_family, 0, event); + if (!nlh) + goto nla_put_failure; + + if (nla_put_u16(skb, MPTCP_ATTR_FAMILY, ssk->sk_family)) + goto nla_put_failure; + + if (nla_put_be16(skb, MPTCP_ATTR_SPORT, issk->inet_sport)) + goto nla_put_failure; + + switch (ssk->sk_family) { + case AF_INET: + if (nla_put_in_addr(skb, MPTCP_ATTR_SADDR4, issk->inet_saddr)) + goto nla_put_failure; + break; +#if IS_ENABLED(CONFIG_MPTCP_IPV6) + case AF_INET6: { + const struct ipv6_pinfo *np = inet6_sk(ssk); + + if (nla_put_in6_addr(skb, MPTCP_ATTR_SADDR6, &np->saddr)) + goto nla_put_failure; + break; + } +#endif + default: + WARN_ON_ONCE(1); + goto nla_put_failure; + } + + genlmsg_end(skb, nlh); + mptcp_nl_mcast_send(net, skb, GFP_KERNEL); + return; + +nla_put_failure: + kfree_skb(skb); +} + void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp) { @@ -2197,6 +2251,9 @@ void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, if (mptcp_event_sub_closed(skb, msk, ssk) < 0) goto nla_put_failure; break; + case MPTCP_EVENT_LISTENER_CREATED: + case MPTCP_EVENT_LISTENER_CLOSED: + break; } genlmsg_end(skb, nlh); diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index b0d387be500a..f6f93957275b 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2355,6 +2355,7 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, tcp_set_state(ssk, TCP_CLOSE); mptcp_subflow_queue_clean(ssk); inet_csk_listen_stop(ssk); + mptcp_event_pm_listener(ssk, MPTCP_EVENT_LISTENER_CLOSED); } __tcp_close(ssk, 0); @@ -3647,6 +3648,8 @@ static int mptcp_listen(struct socket *sock, int backlog) if (!err) mptcp_copy_inaddrs(sock->sk, ssock->sk); + mptcp_event_pm_listener(ssock->sk, MPTCP_EVENT_LISTENER_CREATED); + unlock: release_sock(sock->sk); return err; diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index 8b4379a2cd85..955fb3d88eb3 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -839,6 +839,8 @@ void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk, const struct sock *ssk, gfp_t gfp); void mptcp_event_addr_announced(const struct sock *ssk, const struct mptcp_addr_info *info); void mptcp_event_addr_removed(const struct mptcp_sock *msk, u8 id); +void mptcp_event_pm_listener(const struct sock *ssk, + enum mptcp_event_type event); bool mptcp_userspace_pm_active(const struct mptcp_sock *msk); void mptcp_fastopen_gen_msk_ackseq(struct mptcp_sock *msk, struct mptcp_subflow_context *subflow, diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh index 515859a5168b..24bcd7b9bdb2 100755 --- a/tools/testing/selftests/net/mptcp/diag.sh +++ b/tools/testing/selftests/net/mptcp/diag.sh @@ -1,6 +1,7 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +sec=$(date +%s) rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) ns="ns1-$rndh" ksft_skip=4 diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh index 60198b91a530..a43d3e2f59bb 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -274,8 +274,7 @@ check_transfer() check_mptcp_disabled() { - local disabled_ns - disabled_ns="ns_disabled-$sech-$(mktemp -u XXXXXX)" + local disabled_ns="ns_disabled-$rndh" ip netns add ${disabled_ns} || exit $ksft_skip # net.mptcp.enabled should be enabled by default @@ -781,7 +780,6 @@ run_tests_mptfo() run_tests_disconnect() { - local peekmode="$1" local old_cin=$cin local old_sin=$sin @@ -789,7 +787,6 @@ run_tests_disconnect() # force do_transfer to cope with the multiple tranmissions sin="$cin.disconnect" - sin_disconnect=$old_sin cin="$cin.disconnect" cin_disconnect="$old_cin" connect_per_transfer=3 @@ -800,7 +797,6 @@ run_tests_disconnect() # restore previous status sin=$old_sin - sin_disconnect="$cout".disconnect cin=$old_cin cin_disconnect="$cin".disconnect connect_per_transfer=1 diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh index 2eeaf4aca644..d11d3d566608 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_join.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh @@ -26,6 +26,10 @@ ip_mptcp=0 check_invert=0 validate_checksum=0 init=0 +evts_ns1="" +evts_ns2="" +evts_ns1_pid=0 +evts_ns2_pid=0 declare -A all_tests declare -a only_tests_ids @@ -59,8 +63,9 @@ init_partial() { capout=$(mktemp) - local rndh - rndh=$(mktemp -u XXXXXX) + local sec rndh + sec=$(date +%s) + rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) ns1="ns1-$rndh" ns2="ns2-$rndh" @@ -153,6 +158,8 @@ init() { cin=$(mktemp) cinsent=$(mktemp) cout=$(mktemp) + evts_ns1=$(mktemp) + evts_ns2=$(mktemp) trap cleanup EXIT @@ -164,6 +171,7 @@ cleanup() { rm -f "$cin" "$cout" "$sinfail" rm -f "$sin" "$sout" "$cinsent" "$cinfail" + rm -rf $evts_ns1 $evts_ns2 cleanup_partial } @@ -319,6 +327,18 @@ reset_with_fail() index 100 || exit 1 } +reset_with_events() +{ + reset "${1}" || return 1 + + :> "$evts_ns1" + :> "$evts_ns2" + ip netns exec $ns1 ./pm_nl_ctl events >> "$evts_ns1" 2>&1 & + evts_ns1_pid=$! + ip netns exec $ns2 ./pm_nl_ctl events >> "$evts_ns2" 2>&1 & + evts_ns2_pid=$! +} + fail_test() { ret=1 @@ -472,6 +492,12 @@ kill_wait() wait $1 2>/dev/null } +kill_events_pids() +{ + kill_wait $evts_ns1_pid + kill_wait $evts_ns2_pid +} + pm_nl_set_limits() { local ns=$1 @@ -672,10 +698,6 @@ do_transfer() local port=$((10000 + TEST_COUNT - 1)) local cappid local userspace_pm=0 - local evts_ns1 - local evts_ns1_pid - local evts_ns2 - local evts_ns2_pid :> "$cout" :> "$sout" @@ -752,17 +774,6 @@ do_transfer() addr_nr_ns2=${addr_nr_ns2:9} fi - if [ $userspace_pm -eq 1 ]; then - evts_ns1=$(mktemp) - evts_ns2=$(mktemp) - :> "$evts_ns1" - :> "$evts_ns2" - ip netns exec ${listener_ns} ./pm_nl_ctl events >> "$evts_ns1" 2>&1 & - evts_ns1_pid=$! - ip netns exec ${connector_ns} ./pm_nl_ctl events >> "$evts_ns2" 2>&1 & - evts_ns2_pid=$! - fi - local local_addr if is_v6 "${connect_addr}"; then local_addr="::" @@ -829,7 +840,8 @@ do_transfer() if [ $userspace_pm -eq 0 ]; then pm_nl_add_endpoint $ns1 $addr flags signal else - tk=$(sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evts_ns1") + tk=$(grep "type:1," "$evts_ns1" | + sed -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q') ip netns exec ${listener_ns} ./pm_nl_ctl ann $addr token $tk id $id sleep 1 ip netns exec ${listener_ns} ./pm_nl_ctl rem token $tk id $id @@ -980,12 +992,6 @@ do_transfer() kill $cappid fi - if [ $userspace_pm -eq 1 ]; then - kill_wait $evts_ns1_pid - kill_wait $evts_ns2_pid - rm -rf $evts_ns1 $evts_ns2 - fi - NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \ nstat | grep Tcp > /tmp/${listener_ns}.out NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \ @@ -2507,6 +2513,57 @@ backup_tests() fi } +LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED +LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED + +AF_INET=2 +AF_INET6=10 + +verify_listener_events() +{ + local evt=$1 + local e_type=$2 + local e_family=$3 + local e_saddr=$4 + local e_sport=$5 + local type + local family + local saddr + local sport + + if [ $e_type = $LISTENER_CREATED ]; then + stdbuf -o0 -e0 printf "\t\t\t\t\t CREATE_LISTENER %s:%s"\ + $e_saddr $e_sport + elif [ $e_type = $LISTENER_CLOSED ]; then + stdbuf -o0 -e0 printf "\t\t\t\t\t CLOSE_LISTENER %s:%s "\ + $e_saddr $e_sport + fi + + type=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q') + family=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q') + sport=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q') + if [ $family ] && [ $family = $AF_INET6 ]; then + saddr=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q') + else + saddr=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q') + fi + + if [ $type ] && [ $type = $e_type ] && + [ $family ] && [ $family = $e_family ] && + [ $saddr ] && [ $saddr = $e_saddr ] && + [ $sport ] && [ $sport = $e_sport ]; then + stdbuf -o0 -e0 printf "[ ok ]\n" + return 0 + fi + fail_test + stdbuf -o0 -e0 printf "[fail]\n" +} + add_addr_ports_tests() { # signal address with port @@ -2531,7 +2588,8 @@ add_addr_ports_tests() fi # single address with port, remove - if reset "remove single address with port"; then + # pm listener events + if reset_with_events "remove single address with port"; then pm_nl_set_limits $ns1 0 1 pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100 pm_nl_set_limits $ns2 1 1 @@ -2539,6 +2597,10 @@ add_addr_ports_tests() chk_join_nr 1 1 1 chk_add_nr 1 1 1 chk_rm_nr 1 1 invert + + verify_listener_events $evts_ns1 $LISTENER_CREATED $AF_INET 10.0.2.1 10100 + verify_listener_events $evts_ns1 $LISTENER_CLOSED $AF_INET 10.0.2.1 10100 + kill_events_pids fi # subflow and signal with port, remove @@ -2959,22 +3021,24 @@ userspace_tests() fi # userspace pm add & remove address - if reset "userspace pm add & remove address"; then + if reset_with_events "userspace pm add & remove address"; then set_userspace_pm $ns1 pm_nl_set_limits $ns2 1 1 run_tests $ns1 $ns2 10.0.1.1 0 userspace_1 0 slow chk_join_nr 1 1 1 chk_add_nr 1 1 chk_rm_nr 1 1 invert + kill_events_pids fi # userspace pm create destroy subflow - if reset "userspace pm create destroy subflow"; then + if reset_with_events "userspace pm create destroy subflow"; then set_userspace_pm $ns2 pm_nl_set_limits $ns1 0 1 run_tests $ns1 $ns2 10.0.1.1 0 0 userspace_1 slow chk_join_nr 1 1 1 chk_rm_nr 0 1 + kill_events_pids fi } diff --git a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh index 80d36f7cfee8..1b70c0a304ce 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_sockopt.sh @@ -10,13 +10,19 @@ ksft_skip=4 timeout_poll=30 timeout_test=$((timeout_poll * 2 + 1)) mptcp_connect="" -do_all_tests=1 + +sec=$(date +%s) +rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) +ns1="ns1-$rndh" +ns2="ns2-$rndh" +ns_sbox="ns_sbox-$rndh" add_mark_rules() { local ns=$1 local m=$2 + local t for t in iptables ip6tables; do # just to debug: check we have multiple subflows connection requests ip netns exec $ns $t -A OUTPUT -p tcp --syn -m mark --mark $m -j ACCEPT @@ -31,12 +37,7 @@ add_mark_rules() init() { - rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) - - ns1="ns1-$rndh" - ns2="ns2-$rndh" - ns_sbox="ns_sbox-$rndh" - + local netns for netns in "$ns1" "$ns2" "$ns_sbox";do ip netns add $netns || exit $ksft_skip ip -net $netns link set lo up @@ -45,6 +46,7 @@ init() ip netns exec $netns sysctl -q net.ipv4.conf.default.rp_filter=0 done + local i for i in `seq 1 4`; do ip link add ns1eth$i netns "$ns1" type veth peer name ns2eth$i netns "$ns2" ip -net "$ns1" addr add 10.0.$i.1/24 dev ns1eth$i @@ -74,6 +76,7 @@ init() cleanup() { + local netns for netns in "$ns1" "$ns2" "$ns_sbox"; do ip netns del $netns done @@ -104,15 +107,17 @@ check_mark() local ns=$1 local af=$2 - tables=iptables + local tables=iptables if [ $af -eq 6 ];then tables=ip6tables fi + local counters values counters=$(ip netns exec $ns $tables -v -L OUTPUT | grep DROP) values=${counters%DROP*} + local v for v in $values; do if [ $v -ne 0 ]; then echo "FAIL: got $tables $values in ns $ns , not 0 - not all expected packets marked" 1>&2 @@ -132,9 +137,9 @@ print_file_err() check_transfer() { - in=$1 - out=$2 - what=$3 + local in=$1 + local out=$2 + local what=$3 cmp "$in" "$out" > /dev/null 2>&1 if [ $? -ne 0 ] ;then @@ -157,18 +162,18 @@ is_v6() do_transfer() { - listener_ns="$1" - connector_ns="$2" - cl_proto="$3" - srv_proto="$4" - connect_addr="$5" + local listener_ns="$1" + local connector_ns="$2" + local cl_proto="$3" + local srv_proto="$4" + local connect_addr="$5" - port=12001 + local port=12001 :> "$cout" :> "$sout" - mptcp_connect="./mptcp_connect -r 20" + local mptcp_connect="./mptcp_connect -r 20" local local_addr if is_v6 "${connect_addr}"; then @@ -181,7 +186,7 @@ do_transfer() ip netns exec ${listener_ns} \ $mptcp_connect -t ${timeout_poll} -l -M 1 -p $port -s ${srv_proto} -c TIMESTAMPNS,TCPINQ \ ${local_addr} < "$sin" > "$sout" & - spid=$! + local spid=$! sleep 1 @@ -190,12 +195,12 @@ do_transfer() $mptcp_connect -t ${timeout_poll} -M 2 -p $port -s ${cl_proto} -c TIMESTAMPNS,TCPINQ \ $connect_addr < "$cin" > "$cout" & - cpid=$! + local cpid=$! wait $cpid - retc=$? + local retc=$? wait $spid - rets=$? + local rets=$? if [ ${rets} -ne 0 ] || [ ${retc} -ne 0 ]; then echo " client exit code $retc, server $rets" 1>&2 @@ -230,9 +235,9 @@ do_transfer() make_file() { - name=$1 - who=$2 - size=$3 + local name=$1 + local who=$2 + local size=$3 dd if=/dev/urandom of="$name" bs=1024 count=$size 2> /dev/null echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name" @@ -265,9 +270,9 @@ do_mptcp_sockopt_tests() run_tests() { - listener_ns="$1" - connector_ns="$2" - connect_addr="$3" + local listener_ns="$1" + local connector_ns="$2" + local connect_addr="$3" local lret=0 do_transfer ${listener_ns} ${connector_ns} MPTCP MPTCP ${connect_addr} @@ -282,8 +287,8 @@ run_tests() do_tcpinq_test() { - ip netns exec "$ns1" ./mptcp_inq "$@" - lret=$? + ip netns exec "$ns_sbox" ./mptcp_inq "$@" + local lret=$? if [ $lret -ne 0 ];then ret=$lret echo "FAIL: mptcp_inq $@" 1>&2 @@ -298,9 +303,7 @@ do_tcpinq_tests() { local lret=0 - ip netns exec "$ns1" iptables -F - ip netns exec "$ns1" ip6tables -F - + local args for args in "-t tcp" "-r tcp"; do do_tcpinq_test $args lret=$? diff --git a/tools/testing/selftests/net/mptcp/simult_flows.sh b/tools/testing/selftests/net/mptcp/simult_flows.sh index a5aeefd58ab3..9f22f7e5027d 100755 --- a/tools/testing/selftests/net/mptcp/simult_flows.sh +++ b/tools/testing/selftests/net/mptcp/simult_flows.sh @@ -1,6 +1,7 @@ #!/bin/bash # SPDX-License-Identifier: GPL-2.0 +sec=$(date +%s) rndh=$(printf %x $sec)-$(mktemp -u XXXXXX) ns1="ns1-$rndh" ns2="ns2-$rndh" @@ -148,9 +149,6 @@ do_transfer() :> "$sout" :> "$capout" - local addr_port - addr_port=$(printf "%s:%d" ${connect_addr} ${port}) - if $capture; then local capuser if [ -z $SUDO_USER ] ; then diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh index 3229725b64b0..a29deb9fa024 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -11,11 +11,17 @@ ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED REMOVED=7 # MPTCP_EVENT_REMOVED SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED +LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED +LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED AF_INET=2 AF_INET6=10 -evts_pid=0 +file="" +server_evts="" +client_evts="" +server_evts_pid=0 +client_evts_pid=0 client4_pid=0 server4_pid=0 client6_pid=0 @@ -33,7 +39,7 @@ client_addr_id=${RANDOM:0:2} server_addr_id=${RANDOM:0:2} sec=$(date +%s) -rndh=$(stdbuf -o0 -e0 printf %x "$sec")-$(mktemp -u XXXXXX) +rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX) ns1="ns1-$rndh" ns2="ns2-$rndh" @@ -47,7 +53,7 @@ cleanup() { echo "cleanup" - rm -rf $file + rm -rf $file $client_evts $server_evts # Terminate the MPTCP connection and related processes if [ $client4_pid -ne 0 ]; then @@ -62,8 +68,11 @@ cleanup() if [ $server6_pid -ne 0 ]; then kill_wait $server6_pid fi - if [ $evts_pid -ne 0 ]; then - kill_wait $evts_pid + if [ $server_evts_pid -ne 0 ]; then + kill_wait $server_evts_pid + fi + if [ $client_evts_pid -ne 0 ]; then + kill_wait $client_evts_pid fi local netns for netns in "$ns1" "$ns2" ;do @@ -113,8 +122,9 @@ make_file() make_connection() { - local file - file=$(mktemp) + if [ -z "$file" ]; then + file=$(mktemp) + fi make_file "$file" "client" local is_v6=$1 @@ -132,16 +142,24 @@ make_connection() # Capture netlink events over the two network namespaces running # the MPTCP client and server - local client_evts - client_evts=$(mktemp) + if [ -z "$client_evts" ]; then + client_evts=$(mktemp) + fi :>"$client_evts" + if [ $client_evts_pid -ne 0 ]; then + kill_wait $client_evts_pid + fi ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 & - local client_evts_pid=$! - local server_evts - server_evts=$(mktemp) + client_evts_pid=$! + if [ -z "$server_evts" ]; then + server_evts=$(mktemp) + fi :>"$server_evts" + if [ $server_evts_pid -ne 0 ]; then + kill_wait $server_evts_pid + fi ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 & - local server_evts_pid=$! + server_evts_pid=$! sleep 0.5 # Run the server @@ -159,7 +177,6 @@ make_connection() sleep 1 # Capture client/server attributes from MPTCP connection netlink events - kill_wait $client_evts_pid local client_token local client_port @@ -171,11 +188,10 @@ make_connection() client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ "$client_evts") - kill_wait $server_evts_pid - server_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") - server_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\ - "$server_evts") - rm -f "$client_evts" "$server_evts" "$file" + server_token=$(grep "type:1," "$server_evts" | + sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q') + server_serverside=$(grep "type:1," "$server_evts" | + sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q') if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] && [ "$server_serverside" = 1 ] @@ -239,13 +255,8 @@ verify_announce_event() test_announce() { - local evts - evts=$(mktemp) # Capture events on the network namespace running the server - :>"$evts" - ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$server_evts" # ADD_ADDR using an invalid token should result in no action local invalid_token=$(( client4_token - 1)) @@ -253,7 +264,7 @@ test_announce() $client_addr_id dev ns2eth1 > /dev/null 2>&1 local type - type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t" if [ "$type" = "" ] then @@ -264,71 +275,63 @@ test_announce() fi # ADD_ADDR from the client to server machine reusing the subflow port - :>"$evts" + :>"$server_evts" ip netns exec "$ns2"\ ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\ ns2eth1 > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2" "$client_addr_id"\ + verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \ "$client4_port" # ADD_ADDR6 from the client to server machine reusing the subflow port - :>"$evts" + :>"$server_evts" ip netns exec "$ns2" ./pm_nl_ctl ann\ dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ + verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\ "$client_addr_id" "$client6_port" "v6" # ADD_ADDR from the client to server machine using a new port - :>"$evts" + :>"$server_evts" client_addr_id=$((client_addr_id+1)) ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ $client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ + verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\ "$client_addr_id" "$new4_port" - kill_wait $evts_pid - # Capture events on the network namespace running the client - :>"$evts" - ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$client_evts" # ADD_ADDR from the server to client machine reusing the subflow port ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ $server_addr_id dev ns1eth2 > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ + verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ "$server_addr_id" "$app4_port" # ADD_ADDR6 from the server to client machine reusing the subflow port - :>"$evts" + :>"$client_evts" ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ $server_addr_id dev ns1eth2 > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ + verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\ "$server_addr_id" "$app6_port" "v6" # ADD_ADDR from the server to client machine using a new port - :>"$evts" + :>"$client_evts" server_addr_id=$((server_addr_id+1)) ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ $server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1 stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id sleep 0.5 - verify_announce_event "$evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ + verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\ "$server_addr_id" "$new4_port" - - kill_wait $evts_pid - rm -f "$evts" } verify_remove_event() @@ -356,14 +359,8 @@ verify_remove_event() test_remove() { - local evts - evts=$(mktemp) - # Capture events on the network namespace running the server - :>"$evts" - ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$server_evts" # RM_ADDR using an invalid token should result in no action local invalid_token=$(( client4_token - 1 )) @@ -372,7 +369,7 @@ test_remove() stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\ $client_addr_id local type - type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") if [ "$type" = "" ] then stdbuf -o0 -e0 printf "[OK]\n" @@ -386,7 +383,7 @@ test_remove() $invalid_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\ $invalid_id - type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") if [ "$type" = "" ] then stdbuf -o0 -e0 printf "[OK]\n" @@ -395,40 +392,35 @@ test_remove() fi # RM_ADDR from the client to server machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ $client_addr_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ $client_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" + verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" # RM_ADDR from the client to server machine - :>"$evts" + :>"$server_evts" client_addr_id=$(( client_addr_id - 1 )) ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\ $client_addr_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\ $client_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$server4_token" "$client_addr_id" + verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id" # RM_ADDR6 from the client to server machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns2" ./pm_nl_ctl rem token "$client6_token" id\ $client_addr_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns2 => ns1 \t"\ $client_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$server6_token" "$client_addr_id" - - kill_wait $evts_pid + verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id" # Capture events on the network namespace running the client - :>"$evts" - ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$client_evts" # RM_ADDR from the server to client machine ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ @@ -436,27 +428,24 @@ test_remove() stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t"\ $server_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" + verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" # RM_ADDR from the server to client machine - :>"$evts" + :>"$client_evts" server_addr_id=$(( server_addr_id - 1 )) ip netns exec "$ns1" ./pm_nl_ctl rem token "$server4_token" id\ $server_addr_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR id:%d ns1 => ns2 \t" $server_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$client4_token" "$server_addr_id" + verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id" # RM_ADDR6 from the server to client machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns1" ./pm_nl_ctl rem token "$server6_token" id\ $server_addr_id > /dev/null 2>&1 stdbuf -o0 -e0 printf "RM_ADDR6 id:%d ns1 => ns2 \t" $server_addr_id sleep 0.5 - verify_remove_event "$evts" "$REMOVED" "$client6_token" "$server_addr_id" - - kill_wait $evts_pid - rm -f "$evts" + verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id" } verify_subflow_events() @@ -532,13 +521,8 @@ verify_subflow_events() test_subflows() { - local evts - evts=$(mktemp) # Capture events on the network namespace running the server - :>"$evts" - ip netns exec "$ns1" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$server_evts" # Attempt to add a listener at 10.0.2.2:<subflow-port> ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\ @@ -551,25 +535,25 @@ test_subflows() sleep 0.5 # CREATE_SUBFLOW from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ rport "$client4_port" token "$server4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET" "10.0.2.1"\ + verify_subflow_events $server_evts $SUB_ESTABLISHED $server4_token $AF_INET "10.0.2.1" \ "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" # Delete the listener from the client ns, if one was created kill_wait $listener_pid local sport - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") # DESTROY_SUBFLOW from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ "$client4_port" token "$server4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ "10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2" # RM_ADDR from client to server machine @@ -583,31 +567,31 @@ test_subflows() listener_pid=$! # ADD_ADDR6 from client to server machine reusing the subflow port - :>"$evts" + :>"$server_evts" ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\ $client_addr_id > /dev/null 2>&1 sleep 0.5 # CREATE_SUBFLOW6 from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl csf lip dead:beef:2::1 lid 23 rip\ dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ + verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server6_token" "$AF_INET6"\ "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ "$client_addr_id" "ns1" "ns2" # Delete the listener from the client ns, if one was created kill_wait $listener_pid - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") # DESTROY_SUBFLOW6 from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\ dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\ "dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\ "$client_addr_id" "ns1" "ns2" @@ -622,44 +606,39 @@ test_subflows() listener_pid=$! # ADD_ADDR from client to server machine using a new port - :>"$evts" + :>"$server_evts" ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\ $client_addr_id port $new4_port > /dev/null 2>&1 sleep 0.5 # CREATE_SUBFLOW from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2 rport\ $new4_port token "$server4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ + verify_subflow_events "$server_evts" "$SUB_ESTABLISHED" "$server4_token" "$AF_INET"\ "10.0.2.1" "10.0.2.2" "$new4_port" "23"\ "$client_addr_id" "ns1" "ns2" # Delete the listener from the client ns, if one was created kill_wait $listener_pid - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts") # DESTROY_SUBFLOW from server to client machine - :>"$evts" + :>"$server_evts" ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\ $new4_port token "$server4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ + verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\ "10.0.2.2" "$new4_port" "23" "$client_addr_id" "ns1" "ns2" # RM_ADDR from client to server machine ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\ "$client4_token" > /dev/null 2>&1 - kill_wait $evts_pid - # Capture events on the network namespace running the client - :>"$evts" - ip netns exec "$ns2" ./pm_nl_ctl events >> "$evts" 2>&1 & - evts_pid=$! - sleep 0.5 + :>"$client_evts" # Attempt to add a listener at 10.0.2.1:<subflow-port> ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\ @@ -672,24 +651,24 @@ test_subflows() sleep 0.5 # CREATE_SUBFLOW from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ $app4_port token "$client4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET" "10.0.2.2"\ + verify_subflow_events $client_evts $SUB_ESTABLISHED $client4_token $AF_INET "10.0.2.2"\ "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" # Delete the listener from the server ns, if one was created kill_wait $listener_pid - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") # DESTROY_SUBFLOW from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ $app4_port token "$client4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ + verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ "10.0.2.1" "$app4_port" "23" "$server_addr_id" "ns2" "ns1" # RM_ADDR from server to client machine @@ -703,17 +682,17 @@ test_subflows() listener_pid=$! # ADD_ADDR6 from server to client machine reusing the subflow port - :>"$evts" + :>"$client_evts" ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\ $server_addr_id > /dev/null 2>&1 sleep 0.5 # CREATE_SUBFLOW6 from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl csf lip dead:beef:2::2 lid 23 rip\ dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client6_token"\ + verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\ "$AF_INET6" "dead:beef:2::2"\ "dead:beef:2::1" "$app6_port" "23"\ "$server_addr_id" "ns2" "ns1" @@ -721,14 +700,14 @@ test_subflows() # Delete the listener from the server ns, if one was created kill_wait $listener_pid - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") # DESTROY_SUBFLOW6 from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl dsf lip dead:beef:2::2 lport "$sport" rip\ dead:beef:2::1 rport $app6_port token "$client6_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$client6_token" "$AF_INET6" "dead:beef:2::2"\ + verify_subflow_events $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\ "dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1" # RM_ADDR6 from server to client machine @@ -742,38 +721,35 @@ test_subflows() listener_pid=$! # ADD_ADDR from server to client machine using a new port - :>"$evts" + :>"$client_evts" ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\ $server_addr_id port $new4_port > /dev/null 2>&1 sleep 0.5 # CREATE_SUBFLOW from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\ $new4_port token "$client4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ + verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client4_token" "$AF_INET"\ "10.0.2.2" "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" # Delete the listener from the server ns, if one was created kill_wait $listener_pid - sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$evts") + sport=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts") # DESTROY_SUBFLOW from client to server machine - :>"$evts" + :>"$client_evts" ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\ $new4_port token "$client4_token" > /dev/null 2>&1 sleep 0.5 - verify_subflow_events "$evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ + verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client4_token" "$AF_INET" "10.0.2.2"\ "10.0.2.1" "$new4_port" "23" "$server_addr_id" "ns2" "ns1" # RM_ADDR from server to client machine ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\ "$server4_token" > /dev/null 2>&1 - - kill_wait $evts_pid - rm -f "$evts" } test_prio() @@ -807,11 +783,85 @@ test_prio() fi } +verify_listener_events() +{ + local evt=$1 + local e_type=$2 + local e_family=$3 + local e_saddr=$4 + local e_sport=$5 + local type + local family + local saddr + local sport + + if [ $e_type = $LISTENER_CREATED ]; then + stdbuf -o0 -e0 printf "CREATE_LISTENER %s:%s\t\t\t\t\t"\ + $e_saddr $e_sport + elif [ $e_type = $LISTENER_CLOSED ]; then + stdbuf -o0 -e0 printf "CLOSE_LISTENER %s:%s\t\t\t\t\t"\ + $e_saddr $e_sport + fi + + type=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q') + family=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q') + sport=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q') + if [ $family ] && [ $family = $AF_INET6 ]; then + saddr=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q') + else + saddr=$(grep "type:$e_type," $evt | + sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q') + fi + + if [ $type ] && [ $type = $e_type ] && + [ $family ] && [ $family = $e_family ] && + [ $saddr ] && [ $saddr = $e_saddr ] && + [ $sport ] && [ $sport = $e_sport ]; then + stdbuf -o0 -e0 printf "[OK]\n" + return 0 + fi + stdbuf -o0 -e0 printf "[FAIL]\n" + exit 1 +} + +test_listener() +{ + # Capture events on the network namespace running the client + :>$client_evts + + # Attempt to add a listener at 10.0.2.2:<subflow-port> + ip netns exec $ns2 ./pm_nl_ctl listen 10.0.2.2\ + $client4_port > /dev/null 2>&1 & + local listener_pid=$! + + verify_listener_events $client_evts $LISTENER_CREATED $AF_INET 10.0.2.2 $client4_port + + # ADD_ADDR from client to server machine reusing the subflow port + ip netns exec $ns2 ./pm_nl_ctl ann 10.0.2.2 token $client4_token id\ + $client_addr_id > /dev/null 2>&1 + sleep 0.5 + + # CREATE_SUBFLOW from server to client machine + ip netns exec $ns1 ./pm_nl_ctl csf lip 10.0.2.1 lid 23 rip 10.0.2.2\ + rport $client4_port token $server4_token > /dev/null 2>&1 + sleep 0.5 + + # Delete the listener from the client ns, if one was created + kill_wait $listener_pid + + verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port +} + make_connection make_connection "v6" test_announce test_remove test_subflows test_prio +test_listener exit 0 |