OSRS Ping Scanner

scan-osrs-pings.sh

#!/bin/bash

# BEGIN Progress bar code
_last_progress=-1

# 0. Initialize
function progbar_init {
    printf "Calculating world pings...\n"
    tput cup `tput lines` 0
    _last_progress=-1
}

# 1. Create ProgressBar function
# 1.1 Input is currentState($1) and totalState($2)
function progbar_show {
    # Process data
    let _progress=(${1}*100/${2}*100)/100

#    if [ $_progress -eq $_last_progress ]; then
#        return
#    fi
    _last_progress=$_progress

    let _done=(${_progress}*4)/10
    let _left=40-$_done

    # Build progressbar string lengths
    _fill=$(printf "%${_done}s")
    _empty=$(printf "%${_left}s")

    # 1.2 Build progressbar strings and print the ProgressBar line
    # 1.2.1 Output example:
    # 1.2.1.1 Progress : [▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇] 100% World: 316
    printf "\rProgress : [${_fill// /▇}${_empty// / }] ${_progress}%% World: ${3}"
    tput cup `tput lines` $(( `tput cols` - 3 ))
}
# END Progress bar code

# Create temporary file for sorting purposes
pingfile=`openssl rand -base64 32 | tr -d /=+ | cut -c -16`".tmp"
touch "$pingfile"

trap 'rm $pingfile; printf "\n"; exit 1' SIGINT

progbar_init

skip_worlds=(1 8 16 26 35 71 72 79 80 81 82 83 84 85 93 94 97 98 99 100 101 \
102 103 104 105 106 107 108 109 110 111 112 113 114 118 119 125 126 127 130 \
131 132 133 134 135 136 137 138 139 140 141 142 151 152 153 154 155 156 157 \
158 159 160 161 162 168 169 170 171 172 173 174 175 176 183)

start_world=1
end_world=235

for value in $(seq "${start_world}" "${end_world}")
do
    found=0
    for item in ${skip_worlds[*]}
    do
        if [[ ${value} -eq ${item} ]]
        then
            found=1
            break
        fi
    done
    if [[ ${found} -eq 0 ]]
    then
        world=$(( value + 300 ))
        sum=0
        progbar_show ${value} ${end_world} ${world}
        trials=1
        for i in $(seq 1 $trials)
        do
            worldping=`ping -c 1 "oldschool${value}.runescape.com" \
                | awk 'BEGIN {FS="[=]|[ ]"} NR==2 {print $11}'`
            sum=$( echo "${sum}" + "${worldping}" | bc -l )
            #sleep 0.25
        done
        avg=$( echo "${sum} / ${trials}" | bc -l )
        printf "World: ${world}\tPing: %.1f\n" ${avg} >> "$pingfile"
    fi
done
printf "\r%*s" $COLUMNS

# Sort worlds by ping, lowest to highest
sort -k 4 -n -o "$pingfile" "$pingfile"
best_worlds=$(head -n 15 "$pingfile")
rm "$pingfile"

# Echo the best 15 worlds
printf "Best worlds:\n${best_worlds}\n"