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#!/bin/sh

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.
#

# Run the topic test on a federated setup

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

# Defaults values 
SUBSCRIBERS=2
MESSAGES=1000
BATCHES=1
VERBOSE=1

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

MY_DIR=$(dirname $(which $0))
source ./test_env.sh

trap stop_brokers EXIT

start_broker() {
    ${MY_DIR}/../qpidd --daemon --port 0 --no-module-dir --no-data-dir --auth no > qpidd.port
}

start_brokers() {
    start_broker
    PORT_A=`cat qpidd.port`
    start_broker
    PORT_B=`cat qpidd.port`
    start_broker
    PORT_C=`cat qpidd.port`
}

stop_brokers() {
    for p in $PORT_A $PORT_B $PORT_C; do
        $QPIDD_EXEC --no-module-dir -q --port $p
    done
}

subscribe() {
    #which broker should we connect to?
    if (( $1 % 2 )); then
        MY_PORT=$PORT_C;
    else
        MY_PORT=$PORT_A;
    fi

    echo Subscriber $1 connecting on $MY_PORT
    LOG="subscriber_$1.log"
    ${MY_DIR}/topic_listener -p $MY_PORT  > $LOG 2>&1 && rm -f $LOG 
}

publish() {
    ${MY_DIR}/topic_publisher --messages $MESSAGES --batches $BATCHES --subscribers $SUBSCRIBERS -p $PORT_A
}

setup_routes() {
    BROKER_A="localhost:$PORT_A"
    BROKER_B="localhost:$PORT_B"
    BROKER_C="localhost:$PORT_C"
    if (($VERBOSE)); then
        echo "Establishing routes for topic..."
    fi
    $PYTHON_COMMANDS/qpid-route route add $BROKER_B $BROKER_A amq.topic topic_control B B
    $PYTHON_COMMANDS/qpid-route route add $BROKER_C $BROKER_B amq.topic topic_control C C
    if (($VERBOSE)); then
        echo "linked A->B->C"        
    fi
    $PYTHON_COMMANDS/qpid-route route add $BROKER_B $BROKER_C amq.topic topic_control B B
    $PYTHON_COMMANDS/qpid-route route add $BROKER_A $BROKER_B amq.topic topic_control A A
    if (($VERBOSE)); then
        echo "linked C->B->A"        
        echo "Establishing routes for response queue..."
    fi

    $PYTHON_COMMANDS/qpid-route route add $BROKER_B $BROKER_C amq.direct response B B
    $PYTHON_COMMANDS/qpid-route route add $BROKER_A $BROKER_B amq.direct response A A
    if (($VERBOSE)); then
        echo "linked C->B->A"        
        for b in $BROKER_A $BROKER_B $BROKER_C; do 
            echo "Routes for $b"
            $PYTHON_COMMANDS/qpid-route route list $b
        done
    fi
}

if test -d ${PYTHON_DIR} ;  then
    start_brokers
    if (($VERBOSE)); then
        echo "Running federated topic test against brokers on ports $PORT_A $PORT_B $PORT_C"
    fi

    for ((i=$SUBSCRIBERS ; i--; )); do
        subscribe $i &
    done

    setup_routes

    publish  || exit 1
fi