import time
import resource
import faulthandler
+import random
from collections import deque
from threading import Thread, Event
from inspect import getdoc, isclass
from vpp_papi_provider import VppPapiProvider
from log import *
from vpp_object import VppObjectRegistry
+from vpp_punt_socket import vpp_uds_socket_name
if os.name == 'posix' and sys.version_info[0] < 3:
# using subprocess32 is recommended by python official documentation
# @ https://docs.python.org/2/library/subprocess.html
def pump_output(testclass):
""" pump output from vpp stdout/stderr to proper queues """
+ stdout_fragment = ""
+ stderr_fragment = ""
while not testclass.pump_thread_stop_flag.wait(0):
readable = select.select([testclass.vpp.stdout.fileno(),
testclass.vpp.stderr.fileno(),
testclass.pump_thread_wakeup_pipe[0]],
[], [])[0]
if testclass.vpp.stdout.fileno() in readable:
- read = os.read(testclass.vpp.stdout.fileno(), 1024)
- testclass.vpp_stdout_deque.append(read)
- if not testclass.cache_vpp_output:
- for line in read.splitlines():
- testclass.logger.debug("VPP STDOUT: %s" % line)
+ read = os.read(testclass.vpp.stdout.fileno(), 102400)
+ if len(read) > 0:
+ split = read.splitlines(True)
+ if len(stdout_fragment) > 0:
+ split[0] = "%s%s" % (stdout_fragment, split[0])
+ if len(split) > 0 and split[-1].endswith("\n"):
+ limit = None
+ else:
+ limit = -1
+ stdout_fragment = split[-1]
+ testclass.vpp_stdout_deque.extend(split[:limit])
+ if not testclass.cache_vpp_output:
+ for line in split[:limit]:
+ testclass.logger.debug(
+ "VPP STDOUT: %s" % line.rstrip("\n"))
if testclass.vpp.stderr.fileno() in readable:
- read = os.read(testclass.vpp.stderr.fileno(), 1024)
- testclass.vpp_stderr_deque.append(read)
- if not testclass.cache_vpp_output:
- for line in read.splitlines():
- testclass.logger.debug("VPP STDERR: %s" % line)
+ read = os.read(testclass.vpp.stderr.fileno(), 102400)
+ if len(read) > 0:
+ split = read.splitlines(True)
+ if len(stderr_fragment) > 0:
+ split[0] = "%s%s" % (stderr_fragment, split[0])
+ if len(split) > 0 and split[-1].endswith("\n"):
+ limit = None
+ else:
+ limit = -1
+ stderr_fragment = split[-1]
+ testclass.vpp_stderr_deque.extend(split[:limit])
+ if not testclass.cache_vpp_output:
+ for line in split[:limit]:
+ testclass.logger.debug(
+ "VPP STDERR: %s" % line.rstrip("\n"))
# ignoring the dummy pipe here intentionally - the flag will take care
# of properly terminating the loop
try:
c = os.getenv("CACHE_OUTPUT", "1")
cls.cache_vpp_output = \
- True if c.lower() in ("y", "yes", "1") else False
+ False if c.lower() in ("n", "no", "0") else True
except:
cls.cache_vpp_output = True
cls.set_debug_flags(d)
coredump_size, "}", "api-trace", "{", "on", "}",
"api-segment", "{", "prefix", cls.shm_prefix, "}",
"plugins", "{", "plugin", "dpdk_plugin.so", "{",
- "disable", "}", "}"]
+ "disable", "}", "}",
+ "punt", "{", "socket", cls.punt_socket_path, "}"]
if plugin_path is not None:
cls.vpp_cmdline.extend(["plugin_path", plugin_path])
cls.logger.info("vpp_cmdline: %s" % cls.vpp_cmdline)
Remove shared memory files, start vpp and connect the vpp-api
"""
gc.collect() # run garbage collection first
+ random.seed(1)
cls.logger = getLogger(cls.__name__)
cls.tempdir = tempfile.mkdtemp(
prefix='vpp-unittest-%s-' % cls.__name__)
cls.file_handler.setLevel(DEBUG)
cls.logger.addHandler(cls.file_handler)
cls.shm_prefix = cls.tempdir.split("/")[-1]
+ cls.punt_socket_path = '%s/%s' % (cls.tempdir, vpp_uds_socket_name)
os.chdir(cls.tempdir)
cls.logger.info("Temporary dir is %s, shm prefix is %s",
cls.tempdir, cls.shm_prefix)
type(self).test_instance = self
@classmethod
- def pg_enable_capture(cls, interfaces):
+ def pg_enable_capture(cls, interfaces=None):
"""
Enable capture on packet-generator interfaces
- :param interfaces: iterable interface indexes
+ :param interfaces: iterable interface indexes (if None,
+ use self.pg_interfaces)
"""
+ if interfaces is None:
+ interfaces = cls.pg_interfaces
for i in interfaces:
i.enable_capture()
return result
@staticmethod
- def extend_packet(packet, size):
+ def extend_packet(packet, size, padding=' '):
"""
- Extend packet to given size by padding with spaces
+ Extend packet to given size by padding with spaces or custom padding
NOTE: Currently works only when Raw layer is present.
:param packet: packet
:param size: target size
+ :param padding: padding used to extend the payload
"""
packet_len = len(packet) + 4
extend = size - packet_len
if extend > 0:
- packet[Raw].load += ' ' * extend
+ num = (extend / len(padding)) + 1
+ packet[Raw].load += (padding * num)[:extend]
@classmethod
def reset_packet_infos(cls):
"Finished sleep (%s) - slept %ss (wanted %ss)" % (
remark, after - before, timeout))
+ def send_and_assert_no_replies(self, intf, pkts, remark=""):
+ self.vapi.cli("clear trace")
+ intf.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ timeout = 1
+ for i in self.pg_interfaces:
+ i.get_capture(0, timeout=timeout)
+ i.assert_nothing_captured(remark=remark)
+ timeout = 0.1
+
+ def send_and_expect(self, input, pkts, output):
+ self.vapi.cli("clear trace")
+ input.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ rx = output.get_capture(len(pkts))
+ return rx
+
class TestCasePrinter(object):
_shared_state = {}
Code Review / vpp.git / blobdiff