336 lines
12 KiB
Python
336 lines
12 KiB
Python
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import random
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import re
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import socket
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import threading
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import time
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import TCPConnectionUtility
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from NativeLog import NativeLog
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from TCAction import PerformanceTCBase
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DELAY_RANGE = [10, 3000]
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CONNECTION_STRUCTURE = ("Connection handler", "PC socket", "Target socket id",
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"Target port", "PC port", "PC state", "Target state")
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# max fail count for one connection during test
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MAX_FAIL_COUNT = 10
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class CheckerBase(threading.Thread):
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CHECK_ITEM = ("CONDITION", "NOTIFIER", "ID", "DATA")
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SLEEP_TIME = 0.1 # sleep 100ms between each check action
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def __init__(self):
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threading.Thread.__init__(self)
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self.setDaemon(True)
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self.exit_event = threading.Event()
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self.sync_lock = threading.Lock()
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self.check_item_list = []
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self.check_item_id = 0
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def run(self):
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while self.exit_event.isSet() is False:
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self.process()
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pass
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def process(self):
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pass
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def add_check_item(self, condition, notifier):
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with self.sync_lock:
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check_item_id = self.check_item_id
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self.check_item_id += 1
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self.check_item_list.append(dict(zip(self.CHECK_ITEM, (condition, notifier, check_item_id, str()))))
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return check_item_id
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def remove_check_item(self, check_item_id):
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ret = None
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with self.sync_lock:
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check_items = filter(lambda x: x["ID"] == check_item_id, self.check_item_list)
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if len(check_items) > 0:
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self.check_item_list.remove(check_items[0])
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ret = check_items[0]["DATA"]
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return ret
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def exit(self):
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self.exit_event.set()
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pass
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# check on serial port
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class SerialPortChecker(CheckerBase):
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def __init__(self, serial_reader):
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CheckerBase.__init__(self)
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self.serial_reader = serial_reader
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pass
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# check condition for serial is compiled regular expression pattern
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@staticmethod
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def do_check(check_item, data):
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match = check_item["CONDITION"].search(data)
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if match is not None:
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pos = data.find(match.group()) + len(match.group())
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# notify user
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check_item["NOTIFIER"]("serial", match)
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else:
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pos = -1
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return pos
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def process(self):
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# do check
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with self.sync_lock:
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# read data
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new_data = self.serial_reader()
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# NativeLog.add_trace_info("[debug][read data] %s" % new_data)
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# do check each item
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for check_item in self.check_item_list:
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# NativeLog.add_trace_info("[debug][read data][ID][%s]" % check_item["ID"])
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check_item["DATA"] += new_data
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self.do_check(check_item, check_item["DATA"])
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time.sleep(self.SLEEP_TIME)
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# handle PC TCP server accept and notify user
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class TCPServerChecker(CheckerBase):
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def __init__(self, server_sock):
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CheckerBase.__init__(self)
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self.server_sock = server_sock
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server_sock.settimeout(self.SLEEP_TIME)
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self.accepted_socket_list = []
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# check condition for tcp accepted sock is tcp source port
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@staticmethod
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def do_check(check_item, data):
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for sock_addr_pair in data:
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addr = sock_addr_pair[1]
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if addr[1] == check_item["CONDITION"]:
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# same port, so this is the socket that matched, notify and remove it from list
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check_item["NOTIFIER"]("tcp", sock_addr_pair[0])
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data.remove(sock_addr_pair)
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def process(self):
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# do accept
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try:
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client_sock, addr = self.server_sock.accept()
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self.accepted_socket_list.append((client_sock, addr))
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except socket.error:
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pass
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# do check
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with self.sync_lock:
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check_item_list = self.check_item_list
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for check_item in check_item_list:
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self.do_check(check_item, self.accepted_socket_list)
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pass
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# this thread handles one tcp connection.
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class ConnectionHandler(threading.Thread):
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CHECK_FREQ = CheckerBase.SLEEP_TIME/2
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def __init__(self, utility, serial_checker, tcp_checker, connect_method, disconnect_method, test_case):
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threading.Thread.__init__(self)
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self.setDaemon(True)
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self.utility = utility
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self.connect_method = connect_method
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self.disconnect_method = disconnect_method
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self.exit_event = threading.Event()
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# following members are used in communication with checker threads
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self.serial_checker = serial_checker
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self.tcp_checker = tcp_checker
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self.serial_notify_event = threading.Event()
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self.tcp_notify_event = threading.Event()
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self.serial_result = None
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self.tcp_result = None
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self.serial_check_item_id = None
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self.tcp_check_item_id = None
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self.data_cache = None
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self.fail_count = 0
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self.test_case = test_case
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pass
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def log_error(self):
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self.fail_count += 1
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if self.fail_count > MAX_FAIL_COUNT:
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self.test_case.error_detected()
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def new_connection_structure(self):
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connection = dict.fromkeys(CONNECTION_STRUCTURE, None)
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connection["Connection handler"] = self
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return connection
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def run(self):
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while self.exit_event.isSet() is False:
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connection = self.new_connection_structure()
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# do connect
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connect_method_choice = random.choice(self.connect_method)
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if self.utility.execute_tcp_method(connect_method_choice, connection) is False:
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self.log_error()
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# check if established
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if self.utility.is_established_state(connection) is True:
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time.sleep(float(random.randint(DELAY_RANGE[0], DELAY_RANGE[1]))/1000)
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# do disconnect if established
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disconnect_method_choice = random.choice(self.disconnect_method)
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if self.utility.execute_tcp_method(disconnect_method_choice, connection) is False:
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self.log_error()
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# make sure target socket closed
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self.utility.close_connection(connection)
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time.sleep(float(random.randint(DELAY_RANGE[0], DELAY_RANGE[1]))/1000)
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pass
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# serial_condition: re string
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# tcp_condition: target local port
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def add_checkers(self, serial_condition=None, tcp_condition=None):
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# cleanup
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self.serial_result = None
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self.tcp_result = None
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self.serial_notify_event.clear()
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self.tcp_notify_event.clear()
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# serial_checker
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if serial_condition is not None:
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pattern = re.compile(serial_condition)
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self.serial_check_item_id = self.serial_checker.add_check_item(pattern, self.notifier)
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else:
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# set event so that serial check always pass
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self.serial_notify_event.set()
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if tcp_condition is not None:
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self.tcp_check_item_id = self.tcp_checker.add_check_item(tcp_condition, self.notifier)
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else:
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# set event so that tcp check always pass
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self.tcp_notify_event.set()
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# NativeLog.add_trace_info("[Debug] add check item %s, connection is %s" % (self.serial_check_item_id, self))
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pass
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def get_checker_results(self, timeout=5):
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time1 = time.time()
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while time.time() - time1 < timeout:
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# if one type of checker is not set, its event will be set in add_checkers
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if self.serial_notify_event.isSet() is True and self.tcp_notify_event.isSet() is True:
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break
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time.sleep(self.CHECK_FREQ)
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# do cleanup
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# NativeLog.add_trace_info("[Debug] remove check item %s, connection is %s" % (self.serial_check_item_id, self))
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self.data_cache = self.serial_checker.remove_check_item(self.serial_check_item_id)
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self.tcp_checker.remove_check_item(self.tcp_check_item_id)
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# self.serial_check_item_id = None
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# self.tcp_check_item_id = None
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return self.serial_result, self.tcp_result
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def notifier(self, typ, result):
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if typ == "serial":
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self.serial_notify_event.set()
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self.serial_result = result
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elif typ == "tcp":
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self.tcp_notify_event.set()
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self.tcp_result = result
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def exit(self):
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self.exit_event.set()
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pass
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class TestCase(PerformanceTCBase.PerformanceTCBase):
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def __init__(self, test_case, test_env, timeout=120, log_path=None):
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PerformanceTCBase.PerformanceTCBase.__init__(self, test_case, test_env,
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timeout=timeout, log_path=log_path)
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self.max_connection = 5
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self.execute_time = 120 # execute time default 120 minutes
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self.pc_ip = "pc_ip"
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self.target_ip = "target_ip"
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self.connect_method = ["C_01"]
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self.disconnect_method = ["D_05"]
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cmd_set = test_case["cmd set"]
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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.error_event = threading.Event()
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self.serial_lock = threading.Lock()
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pass
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def serial_reader(self):
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return self.serial_read_data("SSC1")
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def send_ssc_command(self, data):
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with self.serial_lock:
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time.sleep(0.05)
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self.serial_write_line("SSC1", data)
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def error_detected(self):
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self.error_event.set()
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def process(self):
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# parameters
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max_connection = self.max_connection
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execute_time = self.execute_time * 60
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pc_ip = self.get_parameter(self.pc_ip)
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target_ip = self.get_parameter(self.target_ip)
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connect_method = self.connect_method
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disconnect_method = self.disconnect_method
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server_port = random.randint(30000, 50000)
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# step 1, create TCP server on target and PC
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# create TCP server on target
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self.serial_write_line("SSC1", "soc -B -t TCP -p %s" % server_port)
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match = self.check_regular_expression("SSC1", re.compile("BIND:(\d+),OK"))
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if match is None:
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NativeLog.add_prompt_trace("Failed to create TCP server on target")
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return
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target_sock_id = match.group(1)
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self.serial_write_line("SSC1", "soc -L -s %s" % target_sock_id)
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if self.check_response("SSC1", "+LISTEN:%s,OK" % target_sock_id) is False:
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NativeLog.add_prompt_trace("Failed to create TCP server on target")
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return
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# create TCP server on PC
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try:
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server_sock = socket.socket(family=socket.AF_INET, type=socket.SOCK_STREAM)
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server_sock.bind((pc_ip, server_port))
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server_sock.listen(5)
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except StandardError:
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NativeLog.add_prompt_trace("Failed to create TCP server on PC")
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return
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# step 2, create checker
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serial_port_checker = SerialPortChecker(self.serial_reader)
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tcp_server_checker = TCPServerChecker(server_sock)
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serial_port_checker.start()
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tcp_server_checker.start()
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# step 3, create 5 thread and do connection
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utility = TCPConnectionUtility.Utility(self, server_port, server_port, pc_ip, target_ip)
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work_thread = []
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for i in range(max_connection):
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t = ConnectionHandler(utility, serial_port_checker, tcp_server_checker,
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connect_method, disconnect_method, self)
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work_thread.append(t)
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t.start()
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# step 4, wait and exit
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self.error_event.wait(execute_time)
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# close all threads
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for t in work_thread:
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t.exit()
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t.join()
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serial_port_checker.exit()
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tcp_server_checker.exit()
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serial_port_checker.join()
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tcp_server_checker.join()
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if self.error_event.isSet() is False:
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# no error detected
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self.set_result("Succeed")
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pass
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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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