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 :\+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 -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 :RECVLEN:(\d+)"], ["SSC SSC1 soc -Q -s -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()