[dts] [[patch v1]] framework/etgen.py: add in a function for ixia to send fixed number of packets
wang fei
feix.y.wang at intel.com
Fri Sep 8 14:07:10 CEST 2017
Signed-off-by: wang fei <feix.y.wang at intel.com>
---
framework/etgen.py | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/framework/etgen.py b/framework/etgen.py
index f45a96e..7ee24ac 100644
--- a/framework/etgen.py
+++ b/framework/etgen.py
@@ -141,7 +141,6 @@ class IxiaPacketGenerator(SSHConnection):
self.logger = getLogger(self.NAME)
super(IxiaPacketGenerator, self).__init__(self.get_ip_address(),
self.NAME,
- self.get_username(),
self.get_password())
super(IxiaPacketGenerator, self).init_log(self.logger)
@@ -869,3 +868,35 @@ class IxiaPacketGenerator(SSHConnection):
retrieved capture buffer. Call packetGroupStats get before.
"""
return self._packetgroup_cget_value('averageLatency')
+
+ def send_packets(self,portList,ratePercent,packetNum,delay=5,runTime=60):
+ """
+ configure ixia to send fixed number of packets for each tx port
+ and returns the throughput for rx ports
+ """
+ rxPortlist, txPortlist = self._configure_everything(portList, ratePercent)
+ time.sleep(delay)
+ self.send_expect("ixStopTransmit portList","%",5)
+
+ self.send_expect("stream config -numFrames %s" % packetNum,"%",5)
+ self.send_expect("stream config -dma stopStream","%",5)
+ for txPort in txPortlist:
+ port = self.pci_to_port(self.tester.get_pci(txPort))
+ self.send_expect("stream set %d %d %d 1" % (self.chasId, port['card'], port['port']),"%",5)
+
+ self.send_expect("ixWritePortsToHardware portList","%",5)
+ self.send_expect("ixClearStats portList","%",5)
+ self.send_expect("ixStartTransmit portList","%",5)
+ time.sleep(runTime)
+ time.sleep(3)
+
+ txPackets = 0
+ rxPackets = 0
+ for port in txPortlist:
+ self.stat_get_stat_all_stats(port)
+ txPackets += self.get_frames_sent()
+ rxPackets += self.get_frames_received()
+ self.logger.info("Transmitted packets :%s" % txPackets)
+ self.logger.info("Received packets :%s" % rxPackets)
+
+ return txPackets,rxPackets
--
2.7.4
More information about the dts
mailing list