OVMS3-idf/components/idf_test/integration_test/TestCaseScript/UDPStress/UDPPacketLose.py

247 lines
8.3 KiB
Python
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2016-12-06 07:41:02 +00:00
import os
import time
import random
import threading
import socket
from TCAction import TCActionBase
from NativeLog import NativeLog
AP_PROP_KEY = ("ssid", "password", "apc")
class SendThread(threading.Thread):
def __init__(self, sock, send_len, target_addr, delay):
threading.Thread.__init__(self)
self.sock = sock
self.send_len = send_len
self.target_addr = target_addr
self.delay = delay
self.count = 0
self.exit_event = threading.Event()
pass
def exit(self):
self.exit_event.set()
def run(self):
data = "A" * self.send_len
if self.sock is None:
return
while True:
if self.exit_event.isSet() is True:
break
try:
self.sock.sendto(data, self.target_addr)
except StandardError:
break
self.count += 1
time.sleep(self.delay * 0.001)
def calculate(self):
return self.count
class RecvThread(threading.Thread):
def __init__(self, sock):
threading.Thread.__init__(self)
self.sock = sock
self.exit_event = threading.Event()
self.calc_event = threading.Event()
self.bytes_recv = 0
def start_calc(self):
self.calc_event.set()
def stop_calc(self):
self.calc_event.clear()
self.exit_event.set()
def run(self):
if self.sock is None:
return
ret = True
while ret:
if self.exit_event.isSet() is True:
break
try:
data, addr = self.sock.recvfrom(65535)
except StandardError:
break
if self.calc_event.isSet() is True:
self.bytes_recv += len(data)
if len(data) == 0:
start = time.time()
while time.time() - start < 30:
try:
data, addr = self.sock.recvfrom(65535)
except StandardError:
break
if len(data) == 0:
break
else:
self.bytes_recv += len(data)
else:
ret = False
def get_bytes_recv(self):
return self.bytes_recv
pass
class TestCase(TCActionBase.CommonTCActionBase):
def __init__(self, test_case, test_env, timeout=30, log_path=TCActionBase.LOG_PATH):
TCActionBase.CommonTCActionBase.__init__(self, test_case, test_env, timeout, log_path)
self.att_test_list = range(60)
# load param from excel
cmd_set = test_case["cmd set"]
for i in range(1, len(cmd_set)):
if cmd_set[i][0] != "dummy":
cmd_string = "self." + cmd_set[i][0]
exec cmd_string
self.result_cntx = TCActionBase.ResultCheckContext(self, test_env, self.tc_name)
pass
def execute(self):
TCActionBase.TCActionBase.execute(self)
self.result_cntx.start()
try:
# configurable params
send_len = self.send_len
pc_send = self.pc_send
target_send = self.target_send
test_time = self.test_time
delay = self.delay
ap_ssid = self.get_parameter("ap_ssid")
ap_password = self.get_parameter("ap_password")
pc_ip = self.get_parameter("pc_ip")
target_ip = self.get_parameter("target_ip")
# configurable params
except StandardError, e:
NativeLog.add_trace_critical("Error configuration for UDP script, error is %s" % e)
raise StandardError("Error configuration")
udp_port = random.randint(40000, 50000)
# reboot before executing
checker_stings = ["R SSC1 C ready!!!"]
test_action_string = ["SSC SSC1 reboot"]
fail_string = "Fail, Fail to reboot"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string) is False:
return
# disable recv print on target
checker_stings = ["R SSC1 C +RECVPRINT"]
test_action_string = ["SSC SSC1 soc -R -o 0"]
fail_string = "Fail, Fail to disable recv print"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string) is False:
return
# create socket on pc
udp_sock = socket.socket(family=socket.AF_INET, type=socket.SOCK_DGRAM)
udp_sock.bind((pc_ip, udp_port))
udp_sock.settimeout(1)
# connect to AP
checker_stings = ["R SSC1 C +JAP:CONNECTED"]
test_action_string = ["SSC SSC1 sta -C -s %s -p %s" % (ap_ssid, ap_password)]
fail_string = "Fail, Fail to JAP"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string,
check_freq=1, check_time=30) is False:
return
# close all connection
checker_stings = ["R SSC1 C +CLOSEALL"]
test_action_string = ["SSC SSC1 soc -T"]
fail_string = "Fail, Fail to create server"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string) is False:
return
# create UDP socket on target
checker_stings = ["R SSC1 A <client_sock>:\+BIND:(\d+),OK"]
test_action_string = ["SSC SSC1 soc -B -t UDP -p %s" % udp_port]
fail_string = "Fail, Fail bind"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string) is False:
return
send_thread = SendThread(udp_sock if pc_send is True else None,
send_len, (target_ip, udp_port), delay)
send_thread.start()
recv_thread = RecvThread(udp_sock if target_send is True else None)
recv_thread.start()
# start calculate
recv_thread.start_calc()
send_count = 0
if target_send is True:
# do send from target
start = time.time()
while time.time() - start < test_time * 60:
checker_stings = ["P SSC1 RE \+SEND:0,OK"]
test_action_string = ["SSC SSC1 soc -S -s <client_sock> -l %s -n 1000 -i %s -p %s -j %s" % (
send_len, pc_ip, udp_port, delay)]
fail_string = "Fail, Fail to send"
if self.load_and_exe_one_step(checker_stings, test_action_string, fail_string, check_freq=0.1,
check_time=3000) is False:
return
send_count += 1000
else:
time.sleep(test_time * 60)
send_thread.exit()
send_thread.join()
# stop throughput calculate
while True:
if recv_thread.isAlive() is False:
recv_thread.stop_calc()
recv_thread.join()
break
recv_count = 0
if pc_send is True:
# get received data len from PC
self.load_and_exe_one_step(["R SSC1 A <recv_len>:RECVLEN:(\d+)"],
["SSC SSC1 soc -Q -s <client_sock> -o 1"],
"Fail, Fail to get recv data len")
try:
rx_data_len = int(self.get_parameter("recv_len"))
except StandardError:
rx_data_len = 0
if (rx_data_len % send_len) > 0:
recv_count = rx_data_len / send_len + 1
else:
recv_count = rx_data_len / send_len
send_count = send_thread.calculate()
if recv_thread.get_bytes_recv() > 0:
if (recv_thread.get_bytes_recv() % send_len) > 0:
recv_count = recv_thread.get_bytes_recv() / send_len + 1
else:
recv_count = recv_thread.get_bytes_recv() / send_len
udp_sock.close()
NativeLog.add_trace_critical("send_count is %s, recv_count is %s" % (send_count, recv_count))
self.result_cntx.set_result("Succeed")
NativeLog.add_trace_critical(
"UDP Packet lose rate is %.2f%%" % (float(send_count - recv_count) / send_count * 100))
# finally, execute done
def result_check(self, port_name, data):
TCActionBase.CommonTCActionBase.result_check(self, port_name, data)
self.result_cntx.append_data(port_name, data)
def main():
pass
if __name__ == '__main__':
main()