#!/bin/bash

function usage {
    echo "Please enter right parameters: current_rps(*5) add_step(*5) duratime"
    exit 1
}

if [ $# -ne 3 ]; then
    usage
fi

echo "current_rps(*5) add_step(*5) duratime"

#path="/home/njl/sledge/runtime/tests"
path="/home/njl/sledge/runtime/tests"

current_rps=$1
step=$2
duratime=$3
max_rps=0
max_latency=0

output="hey_test_max_rps.log"
server_log_file="test_rps.log"


loop=1

for loop in {1..5}; do
    ssh -o stricthostkeychecking=no njl@10.16.31.135 "$path/start.sh $server_log_file >/dev/null 2>&1 &"
    echo "sledge is running loop $loop"

    ./test_rps.sh $output $duratime $current_rps 5k.jpg 10000 2>&1 & 
    pid1=$!
    wait $pid1
    ssh -t -o stricthostkeychecking=no njl@10.16.31.135 "$path/kill_sledge.sh"
    latency=$(grep "Requests" $output | awk -F ': ' '{print $2}')
    
    if (( $(echo "$latency < $max_rps" | bc -l) )); then
        break
    fi  

    echo "loop_$loop RPS: $latency"
    max_rps=$latency
    current_rps=$((current_rps + step))   
done

echo "Maximum RPS: $max_rps"