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#                                                                              #
#    Copyright 1997 - 2020 by IXIA  Keysight                                   #
#    All Rights Reserved.                                                      #
#                                                                              #
################################################################################

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#                                                                              #
#                                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 warrant (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.                                                     #
# THE SCRIPT IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND IXIA         #
# DISCLAIMS ALL WARRANTIES EXPRESS IMPLIED STATUTORY OR OTHERWISE              #
# INCLUDING BUT NOT LIMITED TO ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR #
# A PARTICULAR PURPOSE OR OF NON-INFRINGEMENT.                                 #
# THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SCRIPT  IS WITH THE #
# USER.                                                                        #
# IN NO EVENT SHALL IXIA BE LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING   #
# OUT OF THE USE OF OR THE INABILITY TO USE THE SCRIPT OR ANY PART THEREOF     #
# INCLUDING BUT NOT LIMITED TO ANY LOST PROFITS LOST BUSINESS LOST OR          #
# DAMAGED DATA OR SOFTWARE OR ANY INDIRECT INCIDENTAL PUNITIVE OR              #
# CONSEQUENTIAL DAMAGES EVEN IF IXIA HAS BEEN ADVISED OF THE POSSIBILITY OF    #
# SUCH DAMAGES IN ADVANCE.                                                     #
# Ixia will not be required to provide any software maintenance or support     #
# services of any kind (e.g. any error corrections) in connection with the     #
# script or any part thereof. The user acknowledges that although Ixia may     #
# from time to time and in its sole discretion provide maintenance or support  #
# services for the script any such services are subject to the warranty and    #
# damages limitations set forth herein and will not obligate Ixia to provide   #
# any additional maintenance or support services.                              #
#                                                                              #
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################################################################################
# Procedure : generateApplyTraffic
# Purpose   : To Generate and Apply Traffic
# Parameters    : None
# Return    : (Bool) 0 - Applied Traffic 1 - Failed to Apply Traffic
################################################################################
proc generateApplyTraffic {} {

    set flag 1
    set traffic [ixNet getRoot]/traffic
    # Generate Traffic
    set genTraffic [ixNet setAtt $traffic -refreshLearnedInfoBeforeApply  true]
    if {$genTraffic != "::ixNet::OK"} {
        puts "Not able to generate  the traffic.."
        return $flag
    }
    after 10000

    puts "Appling the traffic...."
    set appTraffic [::ixNet exec apply $traffic]
    if {$appTraffic != "::ixNet::OK"} {
        puts "Not able to apply the traffic.."
        return $flag
    }
    after 10000
    set flag 0
    return $flag
}

################################################################################
#Procedure  : startTraffic
#Purpose    : To Start the Traffic
#Parameters     : None
#Return     : (Bool) 0 - Started Traffic Successfully 1 - Failed to Start the Traffic
################################################################################
proc startTraffic {} {
    set flag 1
    set traffic [ixNet getRoot]/traffic
    puts "Starting the traffic..."
    set startTraffic [::ixNet exec start $traffic]
    if {$startTraffic != "::ixNet::OK"} {
        puts "Not able to start the traffic.."
    return $flag
    }
    set flag 0
    return $flag
}

################################################################################
#Procedure  :stopTraffic
#Purpose    : To Stop the Traffic
#Parameters : None
#Return     : (Bool) 0 - Stopped Traffic Successfully 1 - Failed to Stop the Traffic
################################################################################

proc stopTraffic {} {
    set flag 1
    set traffic [ixNet getRoot]/traffic
    puts "Stopping the traffic...."
    set stopTraffic [::ixNet exec stop $traffic]
    if {$stopTraffic != "::ixNet::OK"} {
        puts "Not able to stop the traffic.."
        return $flag
    }
    after 10000

    set flag 0
    return $flag
}

################################################################################
#Procedure  : captureMode
#Purpose    : To change the mode of the Port p2 to Capture Mode
#Parameters : port (port)
#Return     : None
################################################################################

proc captureMode {port} {
    ixNet setAttribute $port -rxMode capture
    ixNet setAttribute $port/capture -hardwareEnabled true
    ixNet commit
    after 5000
}

################################################################################
#Procedure  : measureMode
#Purpose    : To change the mode of the port p2 to measure flow mode
#Parameters : port (port )
#Return     : None
################################################################################

proc measureMode {port} {
    ixNet setAttribute $port -rxMode measure
    ixNet setAttribute $port/capture -hardwareEnabled false
    ixNet commit
    after 5000
}
################################################################################
#Procedure  : TxRxCalculation
#Purpose    : To calculate the Tx - Rx Rate and to check if the Rx rate is equal to expected Rx Rate
#Parameters : TxFrame Value RxFrame Value
#Return     : (Bool) 0 - If the Rx Frame is greater than or equal to delta percentage  the value of Tx Frame
################################################################################

proc TxRxCalculation {TxFrame RxFrame {tolerance 15} } {
    set flag 1
    set minRxFrame [expr ($TxFrame - ($TxFrame * $tolerance)/100)]
    puts "Frames Received: $RxFrame Frames Transmitted: $TxFrame (considering 15% tolerence $minRxFrame)"
    if {$RxFrame < $minRxFrame} {
        puts "Frames Received is less than Frames Transmitted (considering 15% tolerence)"
        return $flag
    }

    set flag 0
    return $flag
}