# -*- coding: cp1252 -*-
################################################################################
#                                                                              #
#    Copyright 1997 - 2020 by IXIA  Keysight                                   #
#    All Rights Reserved.                                                      #
#                                                                              #
################################################################################

# ##############################################################################
#                                                                              #
#                                LEGAL  NOTICE:                                #
#                                ==============                                #
# The following code and documentation (hereinafter "the script") is an        #
# example script for demonstration purposes only.                              #
# The script is not a standard commercial product offered by Ixia and have     #
# been developed and is being provided for use only as indicated herein. The   #
# script [and all modifications enhancements and updates thereto (whether      #
# made by Ixia and/or by the user and/or by a third party)] shall at all times #
# remain the property of Ixia.                                                 #
#                                                                              #
# Ixia does not gurantee (i) that the functions contained in the script will   #
# meet the users requirements or (ii) that the script will be without          #
# omissions or error-free.                                                     #
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# USER.                                                                        #
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# any additional maintenance or support services.                              #
#                                                                              #
# ##############################################################################

# ##############################################################################
#                                                                              #
# Description:                                                                 #
#    This script intends to demonstrate how to use NGPF OSPFv2 API.            #
#                                                                              #
#    1. Create 2 interfaces with OSPFv2 enabled, each having 1 OSPFv2          #
#       router with 1 route-range per router.                                  #
#    2. Start the ospfv2 protocol.                                             #
#    3. Retrieve protocol statistics.                                          #
#    4. Retrieve protocol learned info.                                        #
#    5. Configure L2-L3 traffic.                                               #
#    6. Start the L2-L3 traffic.                                               #
#    7. Retrieve L2-L3 traffic stats.                                          #
#    8. Stop L2-L3 traffic.                                                    #
#    9. Stop all protocols.                                                    #                                                              
# ###############################################################################

def assignPorts (ixNet, realPort1, realPort2)
    chassis1 = realPort1[0]
    chassis2 = realPort2[0]
    card1    = realPort1[1]
    card2    = realPort2[1]
    port1    = realPort1[2]
    port2    = realPort2[2]

    root = @ixNet.getRoot()
    vport1 = @ixNet.add(root, 'vport')
    @ixNet.commit()
    vport1 = @ixNet.remapIds(vport1)[0]

    vport2 = @ixNet.add(root, 'vport')
    @ixNet.commit()
    vport2 = @ixNet.remapIds(vport2)[0]

    chassisObj1 = @ixNet.add(root + '/availableHardware', 'chassis')
    @ixNet.setAttribute(chassisObj1, '-hostname', chassis1)
    @ixNet.commit()
    chassisObj1 = @ixNet.remapIds(chassisObj1)[0]

    if (chassis1 != chassis2) then
        chassisObj2 = @ixNet.add(root + '/availableHardware', 'chassis')
        @ixNet.setAttribute(chassisObj2, '-hostname', chassis2)
        @ixNet.commit()
        chassisObj2 = @ixNet.remapIds(chassisObj2)[0]
    else
        chassisObj2 = chassisObj1
    end

    cardPortRef1 = chassisObj1 + '/card:'+card1+'/port:'+port1
    @ixNet.setMultiAttribute(vport1, '-connectedTo', cardPortRef1,
    '-rxMode', 'captureAndMeasure', '-name', 'Ethernet - 001')
    @ixNet.commit()

    cardPortRef2 = chassisObj2 + '/card:'+card2+'/port:'+port2
    @ixNet.setMultiAttribute(vport2, '-connectedTo', cardPortRef2,
    '-rxMode', 'captureAndMeasure', '-name', 'Ethernet - 002')
    @ixNet.commit()
end

################################################################################
# Import the ixnetwork library
# First add the library to Ruby's $LOAD_PATH:    $:.unshift <library_dir>
################################################################################
require 'ixnetwork'

#################################################################################
# Give chassis/client/ixNetwork server port/ chassis port HW port information
# below
#################################################################################
ixApiServer = '10.200.115.203'
ixApiPort   = '8009'
ports       = [['10.200.115.151', '4', '1'], ['10.200.115.151', '4', '2']]

# get IxNet class
@ixNet = IxNetwork.new
puts("connecting to IxNetwork client")
@ixNet.connect(ixApiServer, '-port', ixApiPort, '-version', '7.40',
'-setAttribute', 'strict')

# cleaning up the old configfile, and creating an empty config
puts("cleaning up the old configfile, and creating an empty config")
@ixNet.execute('newConfig')

################################################################################
# 1. Protocol configuration section. Configure OSPFv2 as per the description
#    given above
################################################################################
# Assign real ports
assignPorts(@ixNet, ports[0], ports[1])
sleep(5)

root    = @ixNet.getRoot()
vPort1 = @ixNet.getList(root, 'vport')[0]
vPort2 = @ixNet.getList(root, 'vport')[1]

################################################################################
# Set ipv4 interfaces
################################################################################
puts("Set ipv4 interfaces")
@ixNet.add(vPort1, 'interface')
@ixNet.add(vPort2, 'interface')
@ixNet.commit()

interface1 = @ixNet.getList(vPort1, 'interface')[0]
interface2 = @ixNet.getList(vPort2, 'interface')[0]
@ixNet.add(interface1, 'ipv4')
@ixNet.add(interface2, 'ipv4')
@ixNet.commit()

ipv41 = @ixNet.getList(interface1, 'ipv4')[0]
ipv42 = @ixNet.getList(interface2, 'ipv4')[0]

################################################################################
# Enable protocol interface
################################################################################
puts("Enable protocol interface")
@ixNet.setAttribute(interface1, '-enabled', 'true')
@ixNet.setAttribute(interface2, '-enabled', 'true')
@ixNet.commit()

################################################################################
# Configure ip and gateway on each interface
################################################################################
puts("Add IP address, Gateway and Mask on Protocol Interface 1")
@ixNet.setAttribute(ipv41, '-ip', '20.20.20.1')
@ixNet.setAttribute(ipv41, '-maskWidth', '24')
@ixNet.setAttribute(ipv41, '-gateway', '20.20.20.2')
@ixNet.commit()

puts("Add IP address, Gateway and Mask on Protocol Interface 2")
@ixNet.setAttribute(ipv42, '-ip', '20.20.20.2')
@ixNet.setAttribute(ipv42, '-maskWidth', '24')
@ixNet.setAttribute(ipv42, '-gateway', '20.20.20.1')
@ixNet.commit()

################################################################################
# Enable OSPFv2 on ports
################################################################################
# Enable ospf from protocol management
protocol1 = @ixNet.getList(vPort1, 'protocols')[0]
ospf1 = @ixNet.getList(protocol1, 'ospf')[0]
@ixNet.setAttribute(ospf1, '-enabled', 'true')
@ixNet.commit()

protocol2 = @ixNet.getList(vPort2, 'protocols')[0]
ospf2 = @ixNet.getList(protocol2, 'ospf')[0]
@ixNet.setAttribute(ospf2, '-enabled', 'true')
@ixNet.commit()

################################################################################
# Configure OSPFv2 routers on ports
################################################################################
@ixNet.add(ospf1, 'router')
@ixNet.commit()
router1 = @ixNet.getList(ospf1, 'router')[0]
@ixNet.setAttribute(router1, '-enabled', 'true')
@ixNet.setAttribute(router1, '-routerId', '1.1.1.1')
@ixNet.setAttribute(router1, '-discardLearnedLsa', 'false')
@ixNet.commit()

@ixNet.add(ospf2, 'router')
@ixNet.commit()
router2 = @ixNet.getList(ospf2, 'router')[0]
@ixNet.setAttribute(router2, '-enabled', 'true')
@ixNet.setAttribute(router2, '-routerId', '2.2.2.2')
@ixNet.setAttribute(router2, '-discardLearnedLsa', 'false')
@ixNet.commit()

################################################################################
# Configure interfaces on OSPFv2 routers
################################################################################
@ixNet.add(router1, 'interface')
@ixNet.commit()
router1Interface = @ixNet.getList(router1, 'interface')[0]
@ixNet.setAttribute(router1Interface, '-connectedToDut', 'true')
@ixNet.setAttribute(router1Interface, '-protocolInterface', interface1)
@ixNet.setAttribute(router1Interface, '-enabled', 'true')
@ixNet.setAttribute(router1Interface, '-networkType', 'pointToPoint')
@ixNet.commit()

@ixNet.add(router2, 'interface')
@ixNet.commit()
router2Interface = @ixNet.getList(router2, 'interface')[0]
@ixNet.setAttribute(router2Interface, '-connectedToDut', 'true')
@ixNet.setAttribute(router2Interface, '-protocolInterface', interface2)
@ixNet.setAttribute(router2Interface, '-enabled', 'true')
@ixNet.setAttribute(router2Interface, '-networkType', 'pointToPoint')
@ixNet.commit()

#######################################################################################
# Configure 10 route range on each OSPFv2 router , enable only the first 5 route ranges
#######################################################################################
for count in (1..11) do
    temp = count.to_s
    index = count - 1
    @ixNet.add(router1, 'routeRange')
    @ixNet.commit()
    router1routeRange = @ixNet.getList(router1, 'routeRange')[index]
    if count < 6 then
        @ixNet.setAttribute(router1routeRange, '-enabled', 'true')
        @ixNet.setAttribute(router1routeRange, '-origin', 'externalType1')
    end
    @ixNet.setAttribute(router1routeRange, '-networkNumber', '55.55.55.'+ temp)
    @ixNet.commit()
    @ixNet.add(router2, 'routeRange')
    @ixNet.commit()
    router2routeRange = @ixNet.getList(router2, 'routeRange')[index]
    if count < 6 then
        @ixNet.setAttribute(router2routeRange, '-enabled', 'true')
        @ixNet.setAttribute(router2routeRange, '-origin', 'externalType1')
    end
    @ixNet.setAttribute(router2routeRange, '-networkNumber', '66.66.66.'+ temp)
    @ixNet.commit()

end

################################################################################
# 2. Start OSPFv2 protocol and wait for 60 seconds
################################################################################
puts("Start OSPFv2 protocol and wait for 60 seconds for protocol to come up")
@ixNet.execute('startAllProtocols')
sleep(60)

################################################################################
# 3. Retrieve protocol statistics.
################################################################################
puts("Fetch all OSPF Aggregated Stats\n")
viewPage  = '::ixNet::OBJ-/statistics/view:"OSPF Aggregated Statistics"/page'
statcap   = @ixNet.getAttribute(viewPage, '-columnCaptions')
for statValList in @ixNet.getAttribute(viewPage, '-rowValues')
    for  statVal in statValList
        puts("***************************************************")
        index = 0
        for satIndv in statVal
            puts("#{statcap[index]}:#{satIndv}")
            index = index + 1
        end
    end
end
puts("***************************************************")

sleep(5)
###############################################################################
# 4. Retrieve protocol learned info
###############################################################################
puts("Retrieve protocol learned info")
@ixNet.execute('refreshLearnedInfo', router1Interface)
@ixNet.execute('refreshLearnedInfo', router2Interface)
waitPeriod = 0
isRefreshedInterface1 = 'false'
isRefreshedInterface2 = 'false'
while (isRefreshedInterface1 != 'true' and isRefreshedInterface2 != 'true') do
    isRefreshedInterface1 = @ixNet.getAttribute(router1Interface, '-isLearnedInfoRefreshed')
    isRefreshedInterface2 = @ixNet.getAttribute(router2Interface, '-isLearnedInfoRefreshed')
    sleep(1)
    waitPeriod += 1
    if waitPeriod > 60 then
        puts("Could not retrieve learnt info on ports")
    end
end

listLSA1 = @ixNet.getList(router1Interface, 'learnedLsa')
listLSA2 = @ixNet.getList(router2Interface, 'learnedLsa')
temp = 1

puts("LSA retrieved on port 1")
for item  in listLSA1
    count = temp.to_s
    puts("LSA :" + count)
    puts("***************************************************")

    linkStateID = @ixNet.getAttribute(item, '-linkStateId')
    advRouterID = @ixNet.getAttribute(item, '-advRouterId')
    lsaType = @ixNet.getAttribute(item, '-lsaType')
    seqNumber = @ixNet.getAttribute(item, '-seqNumber')
    age = @ixNet.getAttribute(item, '-age')

    puts( "linkStateID \t:\t" + linkStateID)
    puts( "advRouterID \t:\t" + advRouterID)
    puts( "lsaType     \t:\t" + lsaType)
    puts( "seqNumber   \t:\t" + seqNumber)
    puts( "age         \t:\t" + age)
    puts("")
    temp += 1
end
temp = 1
puts("LSA retrieved on port 2")
for item  in listLSA2
    count = temp.to_s
    puts("LSA :" + count)
    puts("***************************************************")

    linkStateID = @ixNet.getAttribute(item, '-linkStateId')
    advRouterID = @ixNet.getAttribute(item, '-advRouterId')
    lsaType = @ixNet.getAttribute(item, '-lsaType')
    seqNumber = @ixNet.getAttribute(item, '-seqNumber')
    age = @ixNet.getAttribute(item, '-age')

    puts( "linkStateID \t:\t" + linkStateID)
    puts( "advRouterID \t:\t" + advRouterID)
    puts( "lsaType     \t:\t" + lsaType)
    puts( "seqNumber   \t:\t" + seqNumber)
    puts( "age         \t:\t" + age)
    puts("")
    temp += 1
end

puts("***************************************************")

################################################################################
# 5. Enable all route ranges on each OSPFv2 router
################################################################################
puts("Enable all available route ranges on each OSPFv2 router")
router1routeRangeList = @ixNet.getList(router1, 'routeRange')
router2routeRangeList = @ixNet.getList(router2, 'routeRange')
for routeRange  in router1routeRangeList
    @ixNet.setAttribute(routeRange, '-enabled', 'true')
    @ixNet.commit()
end
for routeRange  in router2routeRangeList
    @ixNet.setAttribute(routeRange, '-enabled', 'true')
    @ixNet.commit()
end

##################################################################################
# 6. Disable / Enable interfaces on each OSPFv2 router for new routes to be available
##################################################################################
router1InterfaceList = @ixNet.getList(router1, 'interface')
router2InterfaceList = @ixNet.getList(router2, 'interface')
for interface in router1InterfaceList
    @ixNet.setAttribute(interface, '-enabled', 'false')
    @ixNet.commit()
    @ixNet.setAttribute(interface, '-enabled', 'true')
    @ixNet.commit()
end

for interface in router1InterfaceList
    @ixNet.setAttribute(interface, '-enabled', 'false')
    @ixNet.commit()
    @ixNet.setAttribute(interface, '-enabled', 'true')
    @ixNet.commit()
end

#################################################################################
# 7. Retrieve protocol learned info , wait till 60 sec for table to be refreshed
#################################################################################
sleep(10)
puts("Retrieve protocol learned info")
@ixNet.execute('refreshLearnedInfo', router1Interface)
@ixNet.execute('refreshLearnedInfo', router2Interface)
waitPeriod = 0
isRefreshedInterface1 = 'false'
isRefreshedInterface2 = 'false'
while (isRefreshedInterface1 != 'true' and isRefreshedInterface2 != 'true') do
    isRefreshedInterface1 = @ixNet.getAttribute(router1Interface, '-isLearnedInfoRefreshed')
    isRefreshedInterface2 = @ixNet.getAttribute(router2Interface, '-isLearnedInfoRefreshed')
    sleep(1)
    waitPeriod += 1
    if waitPeriod > 60 then
        puts("Could not retrieve learnt info on ports")
    end
end

listLSA1 = @ixNet.getList(router1Interface, 'learnedLsa')
listLSA2 = @ixNet.getList(router2Interface, 'learnedLsa')
temp = 1

puts("LSA retrieved on port 1")
for item  in listLSA1.each do
    count = temp.to_s
    puts("LSA :" + count)
    puts("***************************************************")

    linkStateID = @ixNet.getAttribute(item, '-linkStateId')
    advRouterID = @ixNet.getAttribute(item, '-advRouterId')
    lsaType = @ixNet.getAttribute(item, '-lsaType')
    seqNumber = @ixNet.getAttribute(item, '-seqNumber')
    age = @ixNet.getAttribute(item, '-age')

    puts( "linkStateID \t:\t" + linkStateID)
    puts( "advRouterID \t:\t" + advRouterID)
    puts( "lsaType     \t:\t" + lsaType)
    puts( "seqNumber   \t:\t" + seqNumber)
    puts( "age         \t:\t" + age)
    puts("")
    temp += 1
end
temp = 1
puts("LSA retrieved on port 2")
for item  in listLSA2
    count = temp.to_s
    puts("LSA :" + count)
    puts("***************************************************")

    linkStateID = @ixNet.getAttribute(item, '-linkStateId')
    advRouterID = @ixNet.getAttribute(item, '-advRouterId')
    lsaType = @ixNet.getAttribute(item, '-lsaType')
    seqNumber = @ixNet.getAttribute(item, '-seqNumber')
    age = @ixNet.getAttribute(item, '-age')

    puts( "linkStateID \t:\t" + linkStateID)
    puts( "advRouterID \t:\t" + advRouterID)
    puts( "lsaType     \t:\t" + lsaType)
    puts( "seqNumber   \t:\t" + seqNumber)
    puts( "age         \t:\t" + age)
    puts("")
    temp += 1
end

puts("***************************************************")

################################################################################
# 8. Configure L2-L3 traffic
################################################################################
puts("Congfiguring L2-L3 Traffic Item")
trafficItem1 = @ixNet.add(@ixNet.getRoot() + '/traffic', 'trafficItem')
@ixNet.setMultiAttribute(trafficItem1, '-name', 'Traffic Item OSPF',
'-roundRobinPacketOrdering', 'false', '-trafficType', 'ipv4')
@ixNet.commit()

trafficItem1 = @ixNet.remapIds(trafficItem1)[0]
endpointSet1 = @ixNet.add(trafficItem1, 'endpointSet')
source       = [ vPort1 + '/protocols/ospf']
destination  = [ vPort2 + '/protocols/ospf']

@ixNet.setMultiAttribute(endpointSet1,
'-name',                  'EndpointSet-1',
'-multicastDestinations', [],
'-scalableSources',       [],
'-multicastReceivers',    [],
'-scalableDestinations',  [],
'-ngpfFilters',           [],
'-trafficGroups',         [],
'-sources',               source,
'-destinations',          destination)
@ixNet.commit()

@ixNet.setMultiAttribute(trafficItem1 + '/tracking',
'-trackBy',        ['sourceDestEndpointPair0', 'trackingenabled0'])
@ixNet.commit()

###############################################################################
# 9. Apply and start L2/L3 traffic
###############################################################################
puts('applying L2/L3 traffic')
@ixNet.execute('apply', @ixNet.getRoot() + '/traffic')
sleep(5)

puts('starting L2/L3 traffic')
@ixNet.execute('start', @ixNet.getRoot() + '/traffic')

puts('Let traffic run for 1 minute')
sleep(60)

###############################################################################
# 10. Retrieve L2/L3 traffic item statistics
###############################################################################
puts('Verifying all the L2-L3 traffic stats')
viewPage = '::ixNet::OBJ-/statistics/view:"Flow Statistics"/page'
statcap =  @ixNet.getAttribute(viewPage, '-columnCaptions')
for statValList in @ixNet.getAttribute(viewPage, '-rowValues')
    for  statVal in statValList
        puts("***************************************************")
        index = 0
        for satIndv in statVal
            puts("#{statcap[index]}:#{satIndv}")
            index = index + 1
        end
    end
end
puts("***************************************************")

################################################################################
# 11. Stop L2/L3 traffic
################################################################################
puts('Stopping L2/L3 traffic')
@ixNet.execute('stop', @ixNet.getRoot() + '/traffic')
sleep(5)

################################################################################
# 12. Stop all protocols
################################################################################
puts('Stopping protocols')
@ixNet.execute('stopAllProtocols')

puts('!!! Test Script Ends !!!')