diff options
Diffstat (limited to 'yardstick/common/utils.py')
-rw-r--r-- | yardstick/common/utils.py | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/yardstick/common/utils.py b/yardstick/common/utils.py index 85cecc714..6c5389cd0 100644 --- a/yardstick/common/utils.py +++ b/yardstick/common/utils.py @@ -28,6 +28,7 @@ import socket import subprocess import sys import time +import threading import six from flask import jsonify @@ -281,8 +282,12 @@ def get_free_port(ip): def mac_address_to_hex_list(mac): - octets = ["0x{:02x}".format(int(elem, 16)) for elem in mac.split(':')] - assert len(octets) == 6 and all(len(octet) == 4 for octet in octets) + try: + octets = ["0x{:02x}".format(int(elem, 16)) for elem in mac.split(':')] + except ValueError: + raise exceptions.InvalidMacAddress(mac_address=mac) + if len(octets) != 6 or all(len(octet) != 4 for octet in octets): + raise exceptions.InvalidMacAddress(mac_address=mac) return octets @@ -335,6 +340,14 @@ def ip_to_hex(ip_addr, separator=''): return separator.join('{:02x}'.format(octet) for octet in address.packed) +def get_mask_from_ip_range(ip_low, ip_high): + _ip_low = ipaddress.ip_address(ip_low) + _ip_high = ipaddress.ip_address(ip_high) + _ip_low_int = int(_ip_low) + _ip_high_int = int(_ip_high) + return _ip_high.max_prefixlen - (_ip_high_int ^ _ip_low_int).bit_length() + + def try_int(s, *args): """Convert to integer if possible.""" try: @@ -467,6 +480,9 @@ class Timer(object): def __del__(self): # pragma: no cover signal.alarm(0) + def delta_time_sec(self): + return (datetime.datetime.now() - self.start).total_seconds() + def read_meminfo(ssh_client): """Read "/proc/meminfo" file and parse all keys and values""" @@ -513,17 +529,30 @@ def open_relative_file(path, task_path): def wait_until_true(predicate, timeout=60, sleep=1, exception=None): """Wait until callable predicate is evaluated as True + When in a thread different from the main one, Timer(timeout) will fail + because signal is not handled. In this case + :param predicate: (func) callable deciding whether waiting should continue :param timeout: (int) timeout in seconds how long should function wait :param sleep: (int) polling interval for results in seconds :param exception: exception instance to raise on timeout. If None is passed (default) then WaitTimeout exception is raised. """ - try: - with Timer(timeout=timeout): - while not predicate(): + if isinstance(threading.current_thread(), threading._MainThread): + try: + with Timer(timeout=timeout): + while not predicate(): + time.sleep(sleep) + except exceptions.TimerTimeout: + if exception and issubclass(exception, Exception): + raise exception # pylint: disable=raising-bad-type + raise exceptions.WaitTimeout + else: + with Timer() as timer: + while timer.delta_time_sec() < timeout: + if predicate(): + return time.sleep(sleep) - except exceptions.TimerTimeout: if exception and issubclass(exception, Exception): raise exception # pylint: disable=raising-bad-type raise exceptions.WaitTimeout |