run_network.sh

#// Copyright 2018 The Loopix-Messaging Authors
#//
#// Licensed under the Apache License, Version 2.0 (the "License");
#// you may not use this file except in compliance with the License.
#// You may obtain a copy of the License at
#//
#//      http://www.apache.org/licenses/LICENSE-2.0
#//
#// Unless required by applicable law or agreed to in writing, software
#// distributed under the License is distributed on an "AS IS" BASIS,
#// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#// See the License for the specific language governing permissions and
#// limitations under the License.

#!bin/sh

echo "Press CTRL-C to stop."
rm -rf "$(PWD)/pki/database.db"

logDir="$(PWD)/logs"

if [ -d $logDir ]
then
    echo "Logging directory already exists"
else
    mkdir $logDir
    echo "Created loggign directory"
fi

NUMMIXES=$1

for (( j=0; j<$NUMMIXES; j++ ));
do
    go run main.go -typ=mix -id="Mix$j" -host=localhost -port=$((9980+$j)) >> logs/bash.log &
    sleep 1
done

sleep 1
go run main.go -typ=provider -id=Provider -host=localhost -port=9997 >> logs/bash.log

# read -p "Press CTRL-C to stop."

# In case the loop is not working, we can use the following command
#go run main.go -typ=mix -id=Mix1 -host=localhost -port=9998 > logs/bash.log &


# trap call ctrl_c()
trap ctrl_c SIGINT SIGTERM SIGTSTP
function ctrl_c() {
        echo "** Trapped SIGINT, SIGTERM and SIGTSTP"
        for (( j=0; j<$NUMMIXES; j++ ));
        do
            kill_port $((9980+$j))
        done
}

function kill_port() {
    PID=$(lsof -t -i:$1)
    echo "$PID"
    kill -TERM $PID || kill -KILL $PID
}