mobcli

#!/bin/bash
# A POSIX variable
OPTIND=1         # Reset in case getopts has been used previously in the shell.

PORT=
JOIN_ADDR=
DEPLOY=
NODE=

while getopts "h?j:p:n:d:" opt; do
    case "$opt" in
    h|\?)
        show_help
        exit 0
        ;;
    p)  PORT=$OPTARG
        ;;
    j)  JOIN_ADDR=$OPTARG
        ;;
    d)  DEPLOY=$OPTARG
        ;;
    n)  NODE=1
        ;;
    esac
done

shift $((OPTIND-1))

[ "$1" = "--" ] && shift

send_command() {
    COMMAND_LINE=$1
    TO_ADDRESS=$2
    TO_PORT=$3
    echo -n "$COMMAND_LINE" | netcat $TO_ADDRESS $TO_PORT
}

node_name() {
    TO_ADDRESS=$1
    TO_PORT=$2

    send_command "--node" $TO_ADDRESS $TO_PORT
}

ip_addr_to_array() {
    FULL_ADDRESS=$1
}

if [ ! -z "$JOIN_ADDR" ]; then
    echo "[i] joining with $JOIN_ADDR"
    ADDRESS=(${JOIN_ADDR//:/ })
    NODE=$(node_name ${ADDRESS[0]} ${ADDRESS[1]})
    if [ -z "$NODE" ]; then
        echo "[E] unable to contact $JOIN_ADDR"
    else
        echo "[i] resolved to name $NODE"
        STATUS=$(send_command "--join $NODE" 127.0.0.1 $PORT)
        echo "[i] response: $STATUS"
    fi
elif  [ ! -z "$NODE" ]; then
    echo "[i] asking for node name..."
    NODE_NAME=$(node_name 127.0.0.1 $PORT)
    echo "[i] response: $NODE_NAME"
elif [ ! -z "$DEPLOY" ]; then
    echo "[i] asking to deploy"
    echo  $DEPLOY
    STATUS=$(send_command "--deploy $DEPLOY" 127.0.0.1 $PORT)
    echo "[i] response: $STATUS"
fi