#!/bin/bash
# Run the C++ topic test

# Clean up old log files
rm -f subscriber_*.log 

# Defaults values 
SUBSCRIBERS=10
MESSAGES=2000
BATCHES=10

# Setup path to publisher/subscriber
dir=$(dirname $0)
publisher=$dir/topic_publisher
subscriber=$dir/topic_listener

while getopts "s:m:b:" opt ; do
    case $opt in
	s) SUBSCRIBERS=$OPTARG ;;
	m) MESSAGES=$OPTARG ;;
	b) BATCHES=$OPTARG ;;
	?)
	    echo "Usage: %0 [-s <subscribers>] [-m <messages.] [-b <batches>]"
	    exit 1
	    ;;
    esac
done

subscribe() {
    echo Start subscriber $1
    LOG="subscriber_$1.log"
    $subscriber > $LOG 2>&1 && rm -f $LOG 
}

publish() {
    $publisher --messages $MESSAGES --batches $BATCHES --subscribers $SUBSCRIBERS
}

for ((i=$SUBSCRIBERS ; i--; )); do
    subscribe $i &
done
# FIXME aconway 2007-03-27: Hack around startup race. Fix topic test.
sleep 1
publish 2>&1 || exit 1