Add help options on the wrapper scripts

scripts/run_client

@@ -14,7 +14,7 @@ interval=100000
 client_options="-a -p 99 -f eth0"
 qdisc_options=""
 
-while getopts "bd:e:i:pt" opt; do
+while getopts "bd:e:hi:pt" opt; do
   case "${opt}" in
     b )
         client_options+=" -b"
@@ -27,6 +27,10 @@ while getopts "bd:e:i:pt" opt; do
         client_options+=" -e -q 7"
         qdisc_options+="-e ${OPTARG}"
         ;;
+    h )
+        usage
+        exit 1
+        ;;
     i )
         interval=${OPTARG}
         ;;

scripts/run_server

@@ -10,11 +10,15 @@ usage() {
 server_options="-a -p 99"
 server_options="-a -p 99"
 
-while getopts "bt:" opt; do
+while getopts "bht:" opt; do
   case "${opt}" in
     b )
         server_options+=" -b 192.168.99.26"
         ;;
+    h )
+        usage
+        exit 1
+        ;;
     t )
         use_tcpdump=1
         nb_packets=${OPTARG}