wiki:WARPnet1/Example

This page describes WARPnet v1.0, which supports the OFDM Reference Design. For experiments with the 802.11 Reference Design please refer to WARPnet 2.0

Example WARPnet 1.0 Client Script

Here is an example client script that iterates over the transmit power and gathers statistics on good and bad packets.

from warpnet_client import *
from warpnet_common_params import *
from warpnet_experiment_structs import *
from twisted.internet import reactor
from datetime import *
import time

minTime = 10
pktLen = 1412
pktPeriod = 2000
mod_hdr = 2
mod_payload = 2
txGains = [30, 45, 60];

class ScriptMaster:
    def startup(self):
    
        er_log = DataLogger('twoNode_PER_Test_v0.m', flushTime=0)
        er_log.log("%%WARPnet PER Test Example - %s\r\n" % datetime.now())

        registerWithServer()
    
        nodes = dict()
        
        #WARP Nodes
        createNode(nodes, Node(0, NODE_PCAP))
        createNode(nodes, Node(1, NODE_PCAP))

        connectToServer(nodes)

        controlStruct = ControlStruct()
        nodes[0].addStruct('controlStruct', controlStruct)
        nodes[1].addStruct('controlStruct', controlStruct)
        
        cmdStructStart = CommandStruct(COMMANDID_STARTTRIAL, 0)
        nodes[0].addStruct('cmdStructStart', cmdStructStart)
        
        cmdStructStop = CommandStruct(COMMANDID_STOPTRIAL, 0)
        nodes[0].addStruct('cmdStructStop', cmdStructStop)

        cmdStructResetPER = CommandStruct(COMMANDID_RESET_PER, 0)
        nodes[0].addStruct('cmdStructResetPER', cmdStructResetPER)
        nodes[1].addStruct('cmdStructResetPER', cmdStructResetPER)

        perStruct0 = ObservePERStruct()
        perStruct1 = ObservePERStruct()
        nodes[0].addStruct('perStruct', perStruct0)
        nodes[1].addStruct('perStruct', perStruct1)

        sendRegistrations(nodes)

        controlStruct.packetGeneratorPeriod = pktPeriod
        controlStruct.packetGeneratorLength = pktLen
        controlStruct.channel = 9
        controlStruct.txPower = 63
        controlStruct.modOrderHeader = mod_hdr
        controlStruct.modOrderPayload = mod_payload
        
        nodes[0].sendToNode('controlStruct')
        nodes[1].sendToNode('controlStruct')

        nodes[0].sendToNode('cmdStructResetPER')
        nodes[1].sendToNode('cmdStructResetPER')

        #Experiment loop
        for ii, txGain in enumerate(txGains):
            print("Starting trial %d with TxGain %d at %s" % (ii, txGain, datetime.now()))
    
            #Stop any traffic that might be running
            nodes[0].sendToNode('cmdStructStop')
    
            #Reset the PER counters at all nodes
            nodes[0].sendToNode('cmdStructResetPER')
            nodes[1].sendToNode('cmdStructResetPER')
    
            controlStruct.txPower = txGain
            nodes[0].sendToNode('controlStruct')

            #Let things settle
            time.sleep(0.25)
            
            #Start the trial
            nodes[0].sendToNode('cmdStructStart')
    
            #Run until minTime elapses
            time.sleep(minTime)
    
            nodes[0].sendToNode('cmdStructStop')
    
            #Give the nodes and server time to process any final structs
            time.sleep(1)
    
            #Request 3 PER struts from each node, verifying the response matches this request
            perStruct0.reqNum = 0
            perStruct1.reqNum = 0
            perStruct0.reqType = 0
            perStruct1.reqType = 0
            
            nodes[0].sendToNode('perStruct')
            nodes[1].sendToNode('perStruct')
            
            if (perStruct0.reqNum != 0) or (perStruct1.reqNum != 0) or \
                (perStruct0.reqType != 0) or (perStruct1.reqType != 0):
                print("BAD STATE! Out-of-order PER Struct Received")
        
            #Record the results
            er_log.log("n0_txGain(%d) = %d;\t" % (ii+1, txGain))
            er_log.log("n0_txPkts(%d) = %d;\t" % (ii+1, perStruct0.numPkts_tx))
    
            er_log.log("n1_rxPkts_good(%d) = %d;\t" %   (ii+1, perStruct1.numPkts_rx_good))
            er_log.log("n1_rxPkts_GhBp(%d) = %d;\t" %   (ii+1, perStruct1.numPkts_rx_goodHdrBadPyld))
            er_log.log("n1_rxPkts_BadHdr(%d) = %d;\r\n" %   (ii+1, perStruct1.numPkts_rx_badHdr))
    
        
        print("############################################")
        print("############# Experiment Done! #############")
        print("############################################")
        reactor.callFromThread(reactor.stop)
        
sm = ScriptMaster()
stdio.StandardIO(CmdReader())
factory = WARPnetClient(sm.startup);
reactor.connectTCP('localhost', 10101, factory)
reactor.run()

Last modified 9 years ago Last modified on Feb 12, 2014, 11:20:02 AM