#!/bin/bash


#
# Copyright 2015-present Open Networking Foundation
#
# 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.
#

# -----------------------------------------------------------------------------
# Utility for converting a number of a node in a cell to the node's address
# -----------------------------------------------------------------------------

validate_number () {
    local re="^[0-9]+$"
    if [[ ! $1 =~ $re ]] ; then
        return 1
    fi
    return 0
}

find_node () {
    if validate_number $1 ; then
        # input is a number, try to find if an OC node is defined
        oc_try="OC$1"
        node=${!oc_try}

        if [ -n "$node" ]; then
            # node lookup succeeded, return node
            echo $node
        else
            # node lookup failed, return original input
            echo $1
        fi
    else
        echo $1
    fi
    return 0
}