add scripts and tuntap.c

Blatt02/scripts/103.sh

@@ -0,0 +1,71 @@
+#!/bin/bash
+
+bash /home/rnp/2/101.sh
+
+echo "Now running 103.sh"
+
+assign_vlan(){
+	local dev=$1
+	local eth=$2
+	local id=$3
+	local ip=$4
+	ssh $dev "ip link add link $eth name $eth.$id type vlan id $id"
+	ssh $dev "ip link set dev $eth.$id up"
+	ssh $dev "ip addr flush dev $eth"
+	ssh $dev "ip addr add $ip dev $eth.$id"
+}
+
+assign_vlan "router4" "eth1" "100" "10.5.1.4/24"
+assign_vlan "pc3" "eth1" "100" "10.5.1.3/24"
+assign_vlan "pc2" "eth1" "200" "10.5.1.2/24"
+assign_vlan "pc1" "eth1" "200" "10.5.1.1/24"
+
+ping_dev(){
+	local dev=$1
+	local ip=$2
+	local eth_n=$3
+	# ssh "$dev" $cmd 
+	loss=$(ssh $dev "ping -c 5 -W 2 -I eth$eth_n $ip | awk -F', ' '/packet loss/ {print \$3}' | awk '{print int(\$1)}'")
+	echo $loss
+}
+
+check(){
+	local dev1=$1
+	local dev2=$2
+	local ping_loss=$3
+	local num=$4
+	echo $ping_loss
+	if [ $ping_loss -eq $num ]; then
+		echo -e "from $dev1 to $dev2: \t yes"
+	else
+		echo -e "from $dev1 to $dev2: \t no"
+	fi
+}
+
+loss=$(ping_dev "router4" "10.5.1.1" "1.100")
+check "router4" "pc1" "$loss" 100
+loss=$(ping_dev "router4" "10.5.1.2" "1.100")
+check "router4" "pc2" "$loss" 100
+loss=$(ping_dev "router4" "10.5.1.3" "1.100")
+check "router4" "pc3" "$loss" 0
+
+loss=$(ping_dev "pc1" "10.5.1.2" "1.200")
+check "pc1" "pc2" "$loss" 0
+loss=$(ping_dev "pc1" "10.5.1.3" "1.200")
+check "pc1" "pc3" "$loss" 100
+loss=$(ping_dev "pc1" "10.5.1.4" "1.200")
+check "pc1" "router4" "$loss" 100
+
+loss=$(ping_dev "pc2" "10.5.1.1" "1.200")
+check "pc2" "pc1" "$loss" 0
+loss=$(ping_dev "pc2" "10.5.1.3" "1.200")
+check "pc2" "pc3" "$loss" 100
+loss=$(ping_dev "pc2" "10.5.1.4" "1.200")
+check "pc2" "router4" "$loss" 100
+
+loss=$(ping_dev "pc3" "10.5.1.1" "1.100")
+check "pc3" "pc1" "$loss" 100
+loss=$(ping_dev "pc3" "10.5.1.2" "1.100")
+check "pc3" "pc2" "$loss" 100
+loss=$(ping_dev "pc3" "10.5.1.4" "1.100")
+check "pc3" "router4" "$loss" 0