122 lines
4.7 KiB
Python
122 lines
4.7 KiB
Python
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import time
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from NativeLog import NativeLog
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from TCAction import TCActionBase
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from comm.NIC import Adapter
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WARNING_COUNT = 5
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class ARPStress(TCActionBase.CommonTCActionBase):
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def __init__(self, name, test_env, cmd_set, timeout=30, log_path=TCActionBase.LOG_PATH):
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TCActionBase.CommonTCActionBase.__init__(self, name, test_env, cmd_set=cmd_set,
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timeout=timeout, log_path=log_path)
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self.adapter = None
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self.target_mode = "STA"
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# load param from excel
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for i in range(1, len(cmd_set)):
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if cmd_set[i][0] != "dummy":
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cmd_string = "self." + cmd_set[i][0]
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exec cmd_string
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self.result_cntx = TCActionBase.ResultCheckContext(self, test_env, self.tc_name)
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pass
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def cleanup(self):
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self.adapter.close()
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del self.adapter
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def execute(self):
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TCActionBase.TCActionBase.execute(self)
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self.result_cntx.start()
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try:
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# configurable params
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test_time = self.test_time * 60
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# test frequency min should be 0.1s, otherwise reply could be missed
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test_freq = self.test_freq if self.test_freq > 0.1 else 0.1
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# test softAP or sta
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target_mode = self.target_mode
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# configurable params
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except StandardError, e:
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NativeLog.add_trace_critical("Error configuration for ARPStress script, error is %s" % e)
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raise StandardError("Error configuration")
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# get parameters
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if target_mode == "STA":
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target_ip = self.get_parameter("target_ip")
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target_mac = self.get_parameter("target_mac")
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pc_mac = self.get_parameter("pc_nic_mac")
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pc_nic_name = self.get_parameter("pc_nic")
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elif target_mode == "SoftAP":
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target_ip = self.get_parameter("target_ap_ip")
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target_mac = self.get_parameter("target_ap_mac")
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pc_mac = self.get_parameter("pc_wifi_nic_mac")
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pc_nic_name = self.get_parameter("pc_wifi_nic")
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else:
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raise StandardError("Unsupported target mode: %s" % target_mode)
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time_start = time.time()
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# open device
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self.adapter = Adapter.Adapter(pc_nic_name, "capture+send")
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ret = self.adapter.set_filter("arp and ether src %s and ether dst %s" % (target_mac, pc_mac))
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if ret != "LIBPCAP_SUCCEED":
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NativeLog.add_trace_critical("ARP Stress test error: %s" % ret)
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return
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ret = self.adapter.start_capture()
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if ret != "LIBPCAP_SUCCEED":
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NativeLog.add_trace_critical("ARP Stress test error: %s" % ret)
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return
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arp_pdu = self.adapter.create_pdu("ARP", self.adapter.create_payload(),
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arp_op_code="request", arp_target_proto_addr=target_ip,
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ethernet_dst_addr="ff:ff:ff:ff:ff:ff")
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data = arp_pdu.to_bytes()
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total_test_count = total_fail_count = successive_fail_count = most_successive_fail_count = 0
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while (time.time() - time_start) < test_time:
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# send arp req
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ret = self.adapter.ether_send(data)
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if ret != "LIBNET_SUCCEED":
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NativeLog.add_prompt_trace("libnet send fail, %s" % ret)
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continue
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total_test_count += 1
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# wait for reply
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time.sleep(test_freq)
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# should get one arp reply
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pdu_list = self.adapter.get_packets()
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if len(pdu_list) == 0:
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# failed to get arp reply
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total_fail_count += 1
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successive_fail_count += 1
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if successive_fail_count > WARNING_COUNT:
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NativeLog.add_trace_critical("ARP Fail: successive fail %u times, total tested %u times"
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% (successive_fail_count, total_test_count))
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else:
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most_successive_fail_count = most_successive_fail_count \
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if most_successive_fail_count > successive_fail_count \
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else successive_fail_count
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successive_fail_count = 0
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pass
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NativeLog.add_trace_critical("ARP stress test, total %s times, failed %s times, most successive fail count %s"
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% (total_test_count, total_fail_count, most_successive_fail_count))
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self.result_cntx.set_result("Succeed")
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# finally, execute done
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def result_check(self, port_name, data):
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TCActionBase.CommonTCActionBase.result_check(self, port_name, data)
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self.result_cntx.append_data(port_name, data)
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def main():
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pass
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if __name__ == '__main__':
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main()
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