952 lines
30 KiB
Bash
Executable File
952 lines
30 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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. "$(dirname "${0}")/mptcp_lib.sh"
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mptcp_lib_check_mptcp
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ip -Version > /dev/null 2>&1
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if [ $? -ne 0 ];then
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echo "SKIP: Cannot not run test without ip tool"
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exit 1
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fi
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ANNOUNCED=6 # MPTCP_EVENT_ANNOUNCED
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REMOVED=7 # MPTCP_EVENT_REMOVED
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SUB_ESTABLISHED=10 # MPTCP_EVENT_SUB_ESTABLISHED
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SUB_CLOSED=11 # MPTCP_EVENT_SUB_CLOSED
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LISTENER_CREATED=15 #MPTCP_EVENT_LISTENER_CREATED
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LISTENER_CLOSED=16 #MPTCP_EVENT_LISTENER_CLOSED
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AF_INET=2
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AF_INET6=10
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file=""
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server_evts=""
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client_evts=""
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server_evts_pid=0
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client_evts_pid=0
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client4_pid=0
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server4_pid=0
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client6_pid=0
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server6_pid=0
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client4_token=""
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server4_token=""
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client6_token=""
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server6_token=""
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client4_port=0;
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client6_port=0;
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app4_port=50002
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new4_port=50003
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app6_port=50004
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client_addr_id=${RANDOM:0:2}
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server_addr_id=${RANDOM:0:2}
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sec=$(date +%s)
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rndh=$(printf %x "$sec")-$(mktemp -u XXXXXX)
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ns1="ns1-$rndh"
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ns2="ns2-$rndh"
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print_title()
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{
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stdbuf -o0 -e0 printf "INFO: %s\n" "${1}"
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}
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kill_wait()
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{
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[ $1 -eq 0 ] && return 0
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kill -SIGUSR1 $1 > /dev/null 2>&1
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kill $1 > /dev/null 2>&1
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wait $1 2>/dev/null
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}
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cleanup()
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{
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print_title "Cleanup"
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# Terminate the MPTCP connection and related processes
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local pid
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for pid in $client4_pid $server4_pid $client6_pid $server6_pid\
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$server_evts_pid $client_evts_pid
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do
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kill_wait $pid
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done
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local netns
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for netns in "$ns1" "$ns2" ;do
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ip netns del "$netns"
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done
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rm -rf $file $client_evts $server_evts
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stdbuf -o0 -e0 printf "Done\n"
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}
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trap cleanup EXIT
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# Create and configure network namespaces for testing
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for i in "$ns1" "$ns2" ;do
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ip netns add "$i" || exit 1
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ip -net "$i" link set lo up
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ip netns exec "$i" sysctl -q net.mptcp.enabled=1
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ip netns exec "$i" sysctl -q net.mptcp.pm_type=1
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done
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# "$ns1" ns2
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# ns1eth2 ns2eth1
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ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
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# Add IPv4/v6 addresses to the namespaces
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ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2
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ip -net "$ns1" addr add 10.0.2.1/24 dev ns1eth2
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ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad
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ip -net "$ns1" addr add dead:beef:2::1/64 dev ns1eth2 nodad
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ip -net "$ns1" link set ns1eth2 up
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ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1
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ip -net "$ns2" addr add 10.0.2.2/24 dev ns2eth1
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ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad
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ip -net "$ns2" addr add dead:beef:2::2/64 dev ns2eth1 nodad
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ip -net "$ns2" link set ns2eth1 up
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print_title "Init"
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stdbuf -o0 -e0 printf "Created network namespaces ns1, ns2 \t\t\t[OK]\n"
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make_file()
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{
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# Store a chunk of data in a file to transmit over an MPTCP connection
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local name=$1
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local ksize=1
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dd if=/dev/urandom of="$name" bs=2 count=$ksize 2> /dev/null
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echo -e "\nMPTCP_TEST_FILE_END_MARKER" >> "$name"
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}
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make_connection()
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{
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if [ -z "$file" ]; then
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file=$(mktemp)
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fi
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make_file "$file" "client"
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local is_v6=$1
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local app_port=$app4_port
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local connect_addr="10.0.1.1"
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local listen_addr="0.0.0.0"
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if [ "$is_v6" = "v6" ]
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then
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connect_addr="dead:beef:1::1"
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listen_addr="::"
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app_port=$app6_port
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else
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is_v6="v4"
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fi
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# Capture netlink events over the two network namespaces running
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# the MPTCP client and server
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if [ -z "$client_evts" ]; then
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client_evts=$(mktemp)
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fi
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:>"$client_evts"
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if [ $client_evts_pid -ne 0 ]; then
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kill_wait $client_evts_pid
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fi
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ip netns exec "$ns2" ./pm_nl_ctl events >> "$client_evts" 2>&1 &
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client_evts_pid=$!
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if [ -z "$server_evts" ]; then
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server_evts=$(mktemp)
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fi
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:>"$server_evts"
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if [ $server_evts_pid -ne 0 ]; then
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kill_wait $server_evts_pid
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fi
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ip netns exec "$ns1" ./pm_nl_ctl events >> "$server_evts" 2>&1 &
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server_evts_pid=$!
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sleep 0.5
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# Run the server
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ip netns exec "$ns1" \
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./mptcp_connect -s MPTCP -w 300 -p $app_port -l $listen_addr > /dev/null 2>&1 &
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local server_pid=$!
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sleep 0.5
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# Run the client, transfer $file and stay connected to the server
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# to conduct tests
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ip netns exec "$ns2" \
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./mptcp_connect -s MPTCP -w 300 -m sendfile -p $app_port $connect_addr\
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2>&1 > /dev/null < "$file" &
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local client_pid=$!
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sleep 1
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# Capture client/server attributes from MPTCP connection netlink events
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local client_token
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local client_port
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local client_serverside
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local server_token
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local server_serverside
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client_token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
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client_port=$(sed --unbuffered -n 's/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
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client_serverside=$(sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q'\
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"$client_evts")
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server_token=$(grep "type:1," "$server_evts" |
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sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q')
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server_serverside=$(grep "type:1," "$server_evts" |
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sed --unbuffered -n 's/.*\(server_side:\)\([[:digit:]]*\).*$/\2/p;q')
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stdbuf -o0 -e0 printf "Established IP%s MPTCP Connection ns2 => ns1 \t\t" $is_v6
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if [ "$client_token" != "" ] && [ "$server_token" != "" ] && [ "$client_serverside" = 0 ] &&
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[ "$server_serverside" = 1 ]
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then
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stdbuf -o0 -e0 printf "[OK]\n"
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else
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stdbuf -o0 -e0 printf "[FAIL]\n"
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stdbuf -o0 -e0 printf "\tExpected tokens (c:%s - s:%s) and server (c:%d - s:%d)\n" \
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"${client_token}" "${server_token}" \
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"${client_serverside}" "${server_serverside}"
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exit 1
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fi
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if [ "$is_v6" = "v6" ]
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then
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client6_token=$client_token
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server6_token=$server_token
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client6_port=$client_port
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client6_pid=$client_pid
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server6_pid=$server_pid
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else
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client4_token=$client_token
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server4_token=$server_token
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client4_port=$client_port
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client4_pid=$client_pid
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server4_pid=$server_pid
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fi
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}
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# $1: var name ; $2: prev ret
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check_expected_one()
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{
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local var="${1}"
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local exp="e_${var}"
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local prev_ret="${2}"
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if [ "${!var}" = "${!exp}" ]
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then
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return 0
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fi
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if [ "${prev_ret}" = "0" ]
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then
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stdbuf -o0 -e0 printf "[FAIL]\n"
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fi
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stdbuf -o0 -e0 printf "\tExpected value for '%s': '%s', got '%s'.\n" \
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"${var}" "${!exp}" "${!var}"
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return 1
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}
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# $@: all var names to check
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check_expected()
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{
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local ret=0
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local var
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for var in "${@}"
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do
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check_expected_one "${var}" "${ret}" || ret=1
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done
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if [ ${ret} -eq 0 ]
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then
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stdbuf -o0 -e0 printf "[OK]\n"
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return 0
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fi
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exit 1
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}
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verify_announce_event()
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{
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local evt=$1
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local e_type=$2
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local e_token=$3
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local e_addr=$4
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local e_id=$5
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local e_dport=$6
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local e_af=$7
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local type
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local token
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local addr
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local dport
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local id
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type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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if [ "$e_af" = "v6" ]
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then
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addr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
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else
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addr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
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fi
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dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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check_expected "type" "token" "addr" "dport" "id"
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}
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test_announce()
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{
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print_title "Announce tests"
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# Capture events on the network namespace running the server
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:>"$server_evts"
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# ADD_ADDR using an invalid token should result in no action
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local invalid_token=$(( client4_token - 1))
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ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token $invalid_token id\
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$client_addr_id dev ns2eth1 > /dev/null 2>&1
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local type
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type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
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stdbuf -o0 -e0 printf "ADD_ADDR 10.0.2.2 (ns2) => ns1, invalid token \t\t"
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if [ "$type" = "" ]
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then
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stdbuf -o0 -e0 printf "[OK]\n"
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else
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stdbuf -o0 -e0 printf "[FAIL]\n\ttype defined: %s\n" "${type}"
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exit 1
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fi
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# ADD_ADDR from the client to server machine reusing the subflow port
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:>"$server_evts"
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ip netns exec "$ns2"\
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./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id $client_addr_id dev\
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ns2eth1 > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, reuse port \t\t" $client_addr_id
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sleep 0.5
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verify_announce_event $server_evts $ANNOUNCED $server4_token "10.0.2.2" $client_addr_id \
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"$client4_port"
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# ADD_ADDR6 from the client to server machine reusing the subflow port
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:>"$server_evts"
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ip netns exec "$ns2" ./pm_nl_ctl ann\
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dead:beef:2::2 token "$client6_token" id $client_addr_id dev ns2eth1 > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::2 (ns2) => ns1, reuse port\t\t" $client_addr_id
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sleep 0.5
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verify_announce_event "$server_evts" "$ANNOUNCED" "$server6_token" "dead:beef:2::2"\
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"$client_addr_id" "$client6_port" "v6"
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# ADD_ADDR from the client to server machine using a new port
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:>"$server_evts"
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client_addr_id=$((client_addr_id+1))
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ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
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$client_addr_id dev ns2eth1 port $new4_port > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.2 (ns2) => ns1, new port \t\t\t" $client_addr_id
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sleep 0.5
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verify_announce_event "$server_evts" "$ANNOUNCED" "$server4_token" "10.0.2.2"\
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"$client_addr_id" "$new4_port"
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# Capture events on the network namespace running the client
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:>"$client_evts"
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# ADD_ADDR from the server to client machine reusing the subflow port
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ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
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$server_addr_id dev ns1eth2 > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, reuse port \t\t" $server_addr_id
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sleep 0.5
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verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
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"$server_addr_id" "$app4_port"
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# ADD_ADDR6 from the server to client machine reusing the subflow port
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:>"$client_evts"
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ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
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$server_addr_id dev ns1eth2 > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR6 id:%d dead:beef:2::1 (ns1) => ns2, reuse port\t\t" $server_addr_id
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sleep 0.5
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verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "dead:beef:2::1"\
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"$server_addr_id" "$app6_port" "v6"
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# ADD_ADDR from the server to client machine using a new port
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:>"$client_evts"
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server_addr_id=$((server_addr_id+1))
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ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
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$server_addr_id dev ns1eth2 port $new4_port > /dev/null 2>&1
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stdbuf -o0 -e0 printf "ADD_ADDR id:%d 10.0.2.1 (ns1) => ns2, new port \t\t\t" $server_addr_id
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sleep 0.5
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verify_announce_event "$client_evts" "$ANNOUNCED" "$client4_token" "10.0.2.1"\
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"$server_addr_id" "$new4_port"
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}
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verify_remove_event()
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{
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local evt=$1
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local e_type=$2
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local e_token=$3
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local e_id=$4
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local type
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local token
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local id
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type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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id=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
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check_expected "type" "token" "id"
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}
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test_remove()
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{
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print_title "Remove tests"
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# Capture events on the network namespace running the server
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:>"$server_evts"
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# RM_ADDR using an invalid token should result in no action
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local invalid_token=$(( client4_token - 1 ))
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ip netns exec "$ns2" ./pm_nl_ctl rem token $invalid_token id\
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$client_addr_id > /dev/null 2>&1
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stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid token \t"\
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$client_addr_id
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local type
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type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
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if [ "$type" = "" ]
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then
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stdbuf -o0 -e0 printf "[OK]\n"
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else
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stdbuf -o0 -e0 printf "[FAIL]\n"
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fi
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# RM_ADDR using an invalid addr id should result in no action
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local invalid_id=$(( client_addr_id + 1 ))
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ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
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$invalid_id > /dev/null 2>&1
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stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1, invalid id \t"\
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$invalid_id
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type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
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if [ "$type" = "" ]
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then
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stdbuf -o0 -e0 printf "[OK]\n"
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else
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stdbuf -o0 -e0 printf "[FAIL]\n"
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fi
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# RM_ADDR from the client to server machine
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:>"$server_evts"
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ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
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$client_addr_id > /dev/null 2>&1
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stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\
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$client_addr_id
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sleep 0.5
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verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
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# RM_ADDR from the client to server machine
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:>"$server_evts"
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client_addr_id=$(( client_addr_id - 1 ))
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ip netns exec "$ns2" ./pm_nl_ctl rem token "$client4_token" id\
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$client_addr_id > /dev/null 2>&1
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stdbuf -o0 -e0 printf "RM_ADDR id:%d ns2 => ns1 \t"\
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$client_addr_id
|
|
sleep 0.5
|
|
verify_remove_event "$server_evts" "$REMOVED" "$server4_token" "$client_addr_id"
|
|
|
|
# RM_ADDR6 from the client to server machine
|
|
:>"$server_evts"
|
|
ip netns exec "$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"\
|
|
$client_addr_id
|
|
sleep 0.5
|
|
verify_remove_event "$server_evts" "$REMOVED" "$server6_token" "$client_addr_id"
|
|
|
|
# Capture events on the network namespace running the client
|
|
:>"$client_evts"
|
|
|
|
# RM_ADDR from the server to client machine
|
|
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"\
|
|
$server_addr_id
|
|
sleep 0.5
|
|
verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
|
|
|
|
# RM_ADDR from the server to client machine
|
|
:>"$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" $server_addr_id
|
|
sleep 0.5
|
|
verify_remove_event "$client_evts" "$REMOVED" "$client4_token" "$server_addr_id"
|
|
|
|
# RM_ADDR6 from the server to client machine
|
|
:>"$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" $server_addr_id
|
|
sleep 0.5
|
|
verify_remove_event "$client_evts" "$REMOVED" "$client6_token" "$server_addr_id"
|
|
}
|
|
|
|
verify_subflow_events()
|
|
{
|
|
local evt=$1
|
|
local e_type=$2
|
|
local e_token=$3
|
|
local e_family=$4
|
|
local e_saddr=$5
|
|
local e_daddr=$6
|
|
local e_dport=$7
|
|
local e_locid=$8
|
|
local e_remid=$9
|
|
shift 2
|
|
local e_from=$8
|
|
local e_to=$9
|
|
local type
|
|
local token
|
|
local family
|
|
local saddr
|
|
local daddr
|
|
local dport
|
|
local locid
|
|
local remid
|
|
|
|
if [ "$e_type" = "$SUB_ESTABLISHED" ]
|
|
then
|
|
if [ "$e_family" = "$AF_INET6" ]
|
|
then
|
|
stdbuf -o0 -e0 printf "CREATE_SUBFLOW6 %s (%s) => %s (%s) "\
|
|
"$e_saddr" "$e_from" "$e_daddr" "$e_to"
|
|
else
|
|
stdbuf -o0 -e0 printf "CREATE_SUBFLOW %s (%s) => %s (%s) \t"\
|
|
"$e_saddr" "$e_from" "$e_daddr" "$e_to"
|
|
fi
|
|
else
|
|
if [ "$e_family" = "$AF_INET6" ]
|
|
then
|
|
stdbuf -o0 -e0 printf "DESTROY_SUBFLOW6 %s (%s) => %s (%s) "\
|
|
"$e_saddr" "$e_from" "$e_daddr" "$e_to"
|
|
else
|
|
stdbuf -o0 -e0 printf "DESTROY_SUBFLOW %s (%s) => %s (%s) \t"\
|
|
"$e_saddr" "$e_from" "$e_daddr" "$e_to"
|
|
fi
|
|
fi
|
|
|
|
type=$(sed --unbuffered -n 's/.*\(type:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
token=$(sed --unbuffered -n 's/.*\(token:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
family=$(sed --unbuffered -n 's/.*\(family:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
dport=$(sed --unbuffered -n 's/.*\(dport:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
locid=$(sed --unbuffered -n 's/.*\(loc_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
remid=$(sed --unbuffered -n 's/.*\(rem_id:\)\([[:digit:]]*\).*$/\2/p;q' "$evt")
|
|
if [ "$family" = "$AF_INET6" ]
|
|
then
|
|
saddr=$(sed --unbuffered -n 's/.*\(saddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
|
|
daddr=$(sed --unbuffered -n 's/.*\(daddr6:\)\([0-9a-f:.]*\).*$/\2/p;q' "$evt")
|
|
else
|
|
saddr=$(sed --unbuffered -n 's/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
|
|
daddr=$(sed --unbuffered -n 's/.*\(daddr4:\)\([0-9.]*\).*$/\2/p;q' "$evt")
|
|
fi
|
|
|
|
check_expected "type" "token" "daddr" "dport" "family" "saddr" "locid" "remid"
|
|
}
|
|
|
|
test_subflows()
|
|
{
|
|
print_title "Subflows v4 or v6 only tests"
|
|
|
|
# Capture events on the network namespace running the server
|
|
:>"$server_evts"
|
|
|
|
# Attempt to add a listener at 10.0.2.2:<subflow-port>
|
|
ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
|
|
"$client4_port" > /dev/null 2>&1 &
|
|
local listener_pid=$!
|
|
|
|
# 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\
|
|
$client_addr_id > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW from server to client machine
|
|
:>"$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 $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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
|
|
|
|
# DESTROY_SUBFLOW from server to client machine
|
|
:>"$server_evts"
|
|
ip netns exec "$ns1" ./pm_nl_ctl dsf lip 10.0.2.1 lport "$sport" rip 10.0.2.2 rport\
|
|
"$client4_port" token "$server4_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server4_token" "$AF_INET" "10.0.2.1"\
|
|
"10.0.2.2" "$client4_port" "23" "$client_addr_id" "ns1" "ns2"
|
|
|
|
# RM_ADDR from client to server machine
|
|
ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
|
|
"$client4_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# Attempt to add a listener at dead:beef:2::2:<subflow-port>
|
|
ip netns exec "$ns2" ./pm_nl_ctl listen dead:beef:2::2\
|
|
"$client6_port" > /dev/null 2>&1 &
|
|
listener_pid=$!
|
|
|
|
# ADD_ADDR6 from client to server machine reusing the subflow port
|
|
:>"$server_evts"
|
|
ip netns exec "$ns2" ./pm_nl_ctl ann dead:beef:2::2 token "$client6_token" id\
|
|
$client_addr_id > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW6 from server to client machine
|
|
:>"$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 "$server6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
verify_subflow_events "$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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
|
|
|
|
# DESTROY_SUBFLOW6 from server to client machine
|
|
:>"$server_evts"
|
|
ip netns exec "$ns1" ./pm_nl_ctl dsf lip dead:beef:2::1 lport "$sport" rip\
|
|
dead:beef:2::2 rport "$client6_port" token "$server6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
verify_subflow_events "$server_evts" "$SUB_CLOSED" "$server6_token" "$AF_INET6"\
|
|
"dead:beef:2::1" "dead:beef:2::2" "$client6_port" "23"\
|
|
"$client_addr_id" "ns1" "ns2"
|
|
|
|
# RM_ADDR from client to server machine
|
|
ip netns exec "$ns2" ./pm_nl_ctl rem id $client_addr_id token\
|
|
"$client6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# Attempt to add a listener at 10.0.2.2:<new-port>
|
|
ip netns exec "$ns2" ./pm_nl_ctl listen 10.0.2.2\
|
|
$new4_port > /dev/null 2>&1 &
|
|
listener_pid=$!
|
|
|
|
# ADD_ADDR from client to server machine using a new port
|
|
:>"$server_evts"
|
|
ip netns exec "$ns2" ./pm_nl_ctl ann 10.0.2.2 token "$client4_token" id\
|
|
$client_addr_id port $new4_port > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW from server to client machine
|
|
:>"$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 "$server_evts" "$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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$server_evts")
|
|
|
|
# DESTROY_SUBFLOW from server to client machine
|
|
:>"$server_evts"
|
|
ip netns exec "$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 "$server_evts" "$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
|
|
|
|
# Capture events on the network namespace running the client
|
|
:>"$client_evts"
|
|
|
|
# Attempt to add a listener at 10.0.2.1:<subflow-port>
|
|
ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
|
|
$app4_port > /dev/null 2>&1 &
|
|
listener_pid=$!
|
|
|
|
# ADD_ADDR from server to client machine reusing the subflow port
|
|
ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
|
|
$server_addr_id > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW from client to server machine
|
|
:>"$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 $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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
|
|
|
|
# DESTROY_SUBFLOW from client to server machine
|
|
:>"$client_evts"
|
|
ip netns exec "$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 "$client_evts" "$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
|
|
ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
|
|
"$server4_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# Attempt to add a listener at dead:beef:2::1:<subflow-port>
|
|
ip netns exec "$ns1" ./pm_nl_ctl listen dead:beef:2::1\
|
|
$app6_port > /dev/null 2>&1 &
|
|
listener_pid=$!
|
|
|
|
# ADD_ADDR6 from server to client machine reusing the subflow port
|
|
:>"$client_evts"
|
|
ip netns exec "$ns1" ./pm_nl_ctl ann dead:beef:2::1 token "$server6_token" id\
|
|
$server_addr_id > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW6 from client to server machine
|
|
:>"$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 "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
|
|
"$AF_INET6" "dead:beef:2::2"\
|
|
"dead:beef:2::1" "$app6_port" "23"\
|
|
"$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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
|
|
|
|
# DESTROY_SUBFLOW6 from client to server machine
|
|
:>"$client_evts"
|
|
ip netns exec "$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 $client_evts $SUB_CLOSED $client6_token $AF_INET6 "dead:beef:2::2"\
|
|
"dead:beef:2::1" "$app6_port" "23" "$server_addr_id" "ns2" "ns1"
|
|
|
|
# RM_ADDR6 from server to client machine
|
|
ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
|
|
"$server6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# Attempt to add a listener at 10.0.2.1:<new-port>
|
|
ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
|
|
$new4_port > /dev/null 2>&1 &
|
|
listener_pid=$!
|
|
|
|
# ADD_ADDR from server to client machine using a new port
|
|
:>"$client_evts"
|
|
ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server4_token" id\
|
|
$server_addr_id port $new4_port > /dev/null 2>&1
|
|
sleep 0.5
|
|
|
|
# CREATE_SUBFLOW from client to server machine
|
|
:>"$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 "$client_evts" "$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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
|
|
|
|
# DESTROY_SUBFLOW from client to server machine
|
|
:>"$client_evts"
|
|
ip netns exec "$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 "$client_evts" "$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
|
|
}
|
|
|
|
test_subflows_v4_v6_mix()
|
|
{
|
|
print_title "Subflows v4 and v6 mix tests"
|
|
|
|
# Attempt to add a listener at 10.0.2.1:<subflow-port>
|
|
ip netns exec "$ns1" ./pm_nl_ctl listen 10.0.2.1\
|
|
$app6_port > /dev/null 2>&1 &
|
|
local listener_pid=$!
|
|
|
|
# ADD_ADDR4 from server to client machine reusing the subflow port on
|
|
# the established v6 connection
|
|
:>"$client_evts"
|
|
ip netns exec "$ns1" ./pm_nl_ctl ann 10.0.2.1 token "$server6_token" id\
|
|
$server_addr_id dev ns1eth2 > /dev/null 2>&1
|
|
stdbuf -o0 -e0 printf "ADD_ADDR4 id:%d 10.0.2.1 (ns1) => ns2, reuse port\t\t" $server_addr_id
|
|
sleep 0.5
|
|
verify_announce_event "$client_evts" "$ANNOUNCED" "$client6_token" "10.0.2.1"\
|
|
"$server_addr_id" "$app6_port"
|
|
|
|
# CREATE_SUBFLOW from client to server machine
|
|
:>"$client_evts"
|
|
ip netns exec "$ns2" ./pm_nl_ctl csf lip 10.0.2.2 lid 23 rip 10.0.2.1 rport\
|
|
$app6_port token "$client6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
verify_subflow_events "$client_evts" "$SUB_ESTABLISHED" "$client6_token"\
|
|
"$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
|
|
"$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/.*\(sport:\)\([[:digit:]]*\).*$/\2/p;q' "$client_evts")
|
|
|
|
# DESTROY_SUBFLOW from client to server machine
|
|
:>"$client_evts"
|
|
ip netns exec "$ns2" ./pm_nl_ctl dsf lip 10.0.2.2 lport "$sport" rip 10.0.2.1 rport\
|
|
$app6_port token "$client6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
verify_subflow_events "$client_evts" "$SUB_CLOSED" "$client6_token" \
|
|
"$AF_INET" "10.0.2.2" "10.0.2.1" "$app6_port" "23"\
|
|
"$server_addr_id" "ns2" "ns1"
|
|
|
|
# RM_ADDR from server to client machine
|
|
ip netns exec "$ns1" ./pm_nl_ctl rem id $server_addr_id token\
|
|
"$server6_token" > /dev/null 2>&1
|
|
sleep 0.5
|
|
}
|
|
|
|
test_prio()
|
|
{
|
|
print_title "Prio tests"
|
|
|
|
local count
|
|
|
|
# Send MP_PRIO signal from client to server machine
|
|
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"
|
|
sleep 0.5
|
|
|
|
# Check TX
|
|
stdbuf -o0 -e0 printf "MP_PRIO TX \t"
|
|
count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
|
|
[ -z "$count" ] && count=0
|
|
if [ $count != 1 ]; then
|
|
stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}"
|
|
exit 1
|
|
else
|
|
stdbuf -o0 -e0 printf "[OK]\n"
|
|
fi
|
|
|
|
# Check RX
|
|
stdbuf -o0 -e0 printf "MP_PRIO RX \t"
|
|
count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
|
|
[ -z "$count" ] && count=0
|
|
if [ $count != 1 ]; then
|
|
stdbuf -o0 -e0 printf "[FAIL]\n\tCount != 1: %d\n" "${count}"
|
|
exit 1
|
|
else
|
|
stdbuf -o0 -e0 printf "[OK]\n"
|
|
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/.*\(saddr4:\)\([0-9.]*\).*$/\2/p;q')
|
|
fi
|
|
|
|
check_expected "type" "family" "saddr" "sport"
|
|
}
|
|
|
|
test_listener()
|
|
{
|
|
print_title "Listener tests"
|
|
|
|
# Capture events on the network namespace running the client
|
|
:>$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\
|
|
$client4_port > /dev/null 2>&1 &
|
|
local listener_pid=$!
|
|
|
|
sleep 0.5
|
|
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
|
|
|
|
sleep 0.5
|
|
verify_listener_events $client_evts $LISTENER_CLOSED $AF_INET 10.0.2.2 $client4_port
|
|
}
|
|
|
|
print_title "Make connections"
|
|
make_connection
|
|
make_connection "v6"
|
|
|
|
test_announce
|
|
test_remove
|
|
test_subflows
|
|
test_subflows_v4_v6_mix
|
|
test_prio
|
|
test_listener
|
|
|
|
exit 0
|