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  ~ Copyright 2015-present Open Networking Laboratory
  ~
  ~ 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
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  -->
<scenario name="net-link-down-up" description="Network link up-down test">
    <!-- TODO: parametrize this via recipes -->
    <group name="Net-Link-Down-Up">
        <step name="Ping-1"
              exec="onos-mininet sendAndExpect h1 ping -c1 h4 --expect \ 0% packet loss"/>
        <step name="Link-1-Down" requires="~Ping-1"
              exec="onos-mininet sendAndExpect link s4 s7 down --expect ."/>
        <step name="Ping-2-Prep" requires="~Link-1-Down"
              exec="onos-mininet sendAndExpect h1 ping -c5 h4 --expect ."/>
        <step name="Ping-2" requires="~Ping-2-Prep"
              exec="onos-mininet sendAndExpect h1 ping -c1 h4 --expect \ 0% packet loss"/>
        <step name="Link-2-Down" requires="~Ping-2"
              exec="onos-mininet sendAndExpect link s4 s5 down --expect ."/>
        <step name="Ping-3" requires="~Link-2-Down"
              exec="onos-mininet sendAndExpect h1 ping -c1 -w1 h4 --expect 100% packet loss"/>
        <step name="Link-1-Up" requires="~Ping-3"
              exec="onos-mininet sendAndExpect link s4 s7 up --expect ."/>
        <step name="Ping-4-Prep" requires="~Link-1-Up"
              exec="onos-mininet sendAndExpect h1 ping -c5 h4 --expect ."/>
        <step name="Ping-4" requires="~Ping-4-Prep"
              exec="onos-mininet sendAndExpect h1 ping -c1 h4 --expect \ 0% packet loss"/>
        <step name="Link-2-Up" requires="~Ping-4"
              exec="onos-mininet sendAndExpect link s4 s5 up --expect ."/>
        <step name="Ping-5-Prep" requires="~Link-2-Up"
              exec="onos-mininet sendAndExpect h1 ping -c5 h4 --expect ."/>
        <step name="Ping-5" requires="~Ping-5-Prep"
              exec="onos-mininet sendAndExpect h1 ping -c1 h4 --expect \ 0% packet loss"/>
    </group>
</scenario>