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#!/bin/bash
# Kill eventual pending server processes
killServer(){
echo "[FUNCTION] Killing server"
#killall -q wserver #>> /dev/null 2>&1
if [ $REMOTE -eq 0 ]
then
for i in `ps aux | grep wserver | grep -v vi | grep -v grep | awk '{print $2}'`
do
echo "[FUNCTION] Killing wserver $i"
kill -9 $i >> /dev/null 2>&1
done
else
command="cd $remoteFolder; ./kill.sh"
ssh -o StrictHostKeyChecking=no -i $key $user@$serverAdr $command
fi
}
# Kill eventual pending mbox processes
killMbox(){
echo "[FUNCTION] Killing mbox"
if [ $REMOTE -eq 0 ]
then
#killall -q mbox #>> /dev/null 2>&1
for i in `ps aux | grep mbox | grep -v vi | grep -v grep | awk '{print $2}'`
do
echo "[FUNCTION] Killing mbox $i"
kill -9 $i >> /dev/null 2>&1
done
else
# Kill proxy according to protocol requestes
for ((i=1; i<nProxy; i++))
do
proxy=${proxyList[$i]}
addr=`echo $proxy | cut -f 1 -d ":"`
command="cd $remoteFolder; ./kill.sh"
ssh -o StrictHostKeyChecking=no -i $key $user@$addr $command
done
fi
}
# Start a server instance (either remote or local)
start_server(){
echo "[FUNCTION] Starting server $serverAdr (port: $serverPort)"
echo -e "\t./wserver -c $proto -o $opt -s $strategy -l $loadTime"
if [ -f log_server ]
then
rm log_server
fi
if [ $REMOTE -eq 0 ]
then
./wserver -c $proto -o $opt -s $strategy -l $loadTime > log_server 2>&1 &
else
command="cd $remoteFolder; ./wserver -c $proto -o $opt -s $strategy"
echo "ssh -o StrictHostKeyChecking=no -i $key $user@$serverAdr $command > log_server 2>&1 &"
ssh -o StrictHostKeyChecking=no -i $key $user@$serverAdr $command > log_server 2>&1 &
fi
# Give server some time to setup
echo "[FUNCTION] Sleeping $timeSleep to allow server setup"
sleep $timeSleep
}
# Read mboxes and server addresses and ports
readMboxes(){
firstLine=1 # flag for first line
count=1 # int for proxy ID
nProxy=1 # number of proxies
# load proxy list in memory
while read line
do
if [ $firstLine -eq 1 ]
then
serverLine=$line
let "nProxy=line-1"
echo "[FUNCTION] Reading proxies info. We expect $nProxy proxies"
firstLine=0
else
if [ $count -eq $serverLine ]
then
serverAdr=`echo $line | cut -f 1 -d ":"`
serverPort=`echo $line | cut -f 2 -d ":"`
proxyList[$count]=$line
echo "[FUNCTION] Read server info (addr=$serverAdr ; port=$serverPort)"
else
if [ $count -eq 1 ]
then
mboxAdr=`echo $line | cut -f 1 -d ":"`
fi
proxyList[$count]=$line
echo "[FUNCTION] Read proxy info (${proxyList[$count]})"
fi
let "count++"
fi
done < $proxyFile
}
# Start and organzie mboxes (routing)
organizeMBOXES(){
# Kill mbox pending
killMbox
# Start proxy according to protocol requested
echo "[FUNCTION] Starting $nProxy proxies:"
for ((i=1; i<=nProxy; i++))
do
# Get data for this proxy
proxy=${proxyList[$i]}
port=`echo $proxy | cut -f 2 -d ":"`
addr=`echo $proxy | cut -f 1 -d ":"`
# Get data for next proxy
let "j=i+1"
nextProxy=${proxyList[$j]}
# cleanup
if [ -f log_mbox_$port ]
then
rm log_mbox_$port
fi
# Start proxy with SPP
if [ $proto == "spp" -o $proto == "spp_mod" ]
then
# Logging
echo "[FUNCTION] Starting proxy $proxy (port: $port)"
echo -e "\t./mbox -c $proto -p $port -m $proxy -l $loadTime"
# Start!
if [ $REMOTE -eq 0 ]
then
./mbox -c $proto -p $port -m $proxy -l $loadTime >> log_mbox_$port 2>&1 &
else
command="killall mbox"
ssh -o StrictHostKeyChecking=no -i $key $user@$addr $command
command="cd $remoteFolder; ./mbox -c $proto -p $port -m $proxy"
ssh -o StrictHostKeyChecking=no -i $key $user@$addr $command > log_mbox_$addr 2>&1 &
fi
fi
# Start proxy with SSL
if [ $proto == "ssl" -o $proto == "fwd" -o $proto == "pln" -o $proto == "ssl_mod" -o $proto == "fwd_mod" -o $proto == "pln_mod" ]
then
# Logging
echo "[FUNCTION] Starting proxy $proxy (port extracted: $port - Next proxy: $nextProxy)"
echo -e "\t./mbox -c $proto -p $port -m $proxy -a $nextProxy -l $loadTime"
# Start!
if [ $REMOTE -eq 0 ]
then
./mbox -c $proto -p $port -m $proxy -a $nextProxy -l $loadTime >> log_mbox_$port 2>&1 &
else
command="killall mbox"
ssh -o StrictHostKeyChecking=no -i $key $user@$addr $command
command="cd $remoteFolder; ./mbox -c $proto -p $port -m $proxy -a $nextProxy"
echo "[FUNCTION] ssh -i $key $user@$addr $command > log_mbox_$addr 2>&1 &"
ssh -o StrictHostKeyChecking=no -i $key $user@$addr $command > log_mbox_$addr 2>&1 &
fi
fi
done
# Sleep 1 second (for David)
sleep 1
}
# Here updating proxy list
proxyFileUpdate(){
# parameters
server_add="127.0.0.1" # default server address
server_port="4433" # default server port
address="127.0.0.1" # default proxy address (TO DO -- extend to array if multiple machines used)
nextPort=8423 # proxy starting port
# derive and print total number of network elements (N proxies + 1 server)
let "tot=N+1"
echo $tot > $proxyFile
# Generating lines for proxy
for((i=1; i<=N; i++))
do
echo "$address:$nextPort" >> $proxyFile
let "nextPort++"
done
echo "$server_add:$server_port" >> $proxyFile
echo "[FUNCTION] Proxy file genereated is: "
cat $proxyFile
}
# Load scenarios from file to memory
load_scenarios(){
first=1 # flag for first line
# load proxy list in memory
while read line
do
i=`echo $line | cut -f 1 -d " "`
if [ $first -eq 1 ]
then
initScen=$i
first=0
fi
label=`echo $line | cut -f 2 -d " "`
value=`echo $line | cut -f 3 -d " "`
scenarios[$i,$label]=$value
echo "[FUNCTION] Added entry scenarios[$i,$label]=$value"
done < $scenFile
}