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-rw-r--r--test/vpp_papi_provider.py66
1 files changed, 31 insertions, 35 deletions
diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py
index 81e25ecc621..da693c73e2a 100644
--- a/test/vpp_papi_provider.py
+++ b/test/vpp_papi_provider.py
@@ -8,13 +8,12 @@
import os
import time
from collections import deque
-
+import queue
from six import moves, iteritems
from vpp_papi import VPPApiClient, mac_pton
from hook import Hook
from vpp_ip_route import MPLS_IETF_MAX_LABEL, MPLS_LABEL_INVALID
-
#
# Dictionary keyed on message name to override default values for
# named parameters
@@ -131,10 +130,9 @@ class VppPapiProvider(object):
_zero, _negative = range(2)
- def __init__(self, name, shm_prefix, test_class, read_timeout):
+ def __init__(self, name, test_class, read_timeout):
self.hook = Hook(test_class)
self.name = name
- self.shm_prefix = shm_prefix
self.test_class = test_class
self._expect_api_retval = self._zero
self._expect_stack = []
@@ -143,18 +141,11 @@ class VppPapiProvider(object):
# calling the constructor.
VPPApiClient.apidir = os.getenv('VPP_INSTALL_PATH')
- use_socket = False
- try:
- if os.environ['SOCKET'] == '1':
- use_socket = True
- except KeyError:
- pass
-
self.vpp = VPPApiClient(logger=test_class.logger,
read_timeout=read_timeout,
- use_socket=use_socket,
+ use_socket=True,
server_address=test_class.api_sock)
- self._events = deque()
+ self._events = queue.Queue()
def __enter__(self):
return self
@@ -193,9 +184,14 @@ class VppPapiProvider(object):
def collect_events(self):
""" Collect all events from the internal queue and clear the queue. """
- e = self._events
- self._events = deque()
- return e
+ result = []
+ while True:
+ try:
+ e = self._events.get(block=False)
+ result.append(e)
+ except queue.Empty:
+ return result
+ return result
def wait_for_event(self, timeout, name=None):
""" Wait for and return next event. """
@@ -205,28 +201,21 @@ class VppPapiProvider(object):
else:
self.test_class.logger.debug("Expecting event within %ss",
timeout)
- if self._events:
- self.test_class.logger.debug("Not waiting, event already queued")
- limit = time.time() + timeout
- while time.time() < limit:
- if self._events:
- e = self._events.popleft()
- if name and type(e).__name__ != name:
- raise Exception(
- "Unexpected event received: %s, expected: %s" %
- (type(e).__name__, name))
- self.test_class.logger.debug("Returning event %s:%s" %
- (name, e))
- return e
- self.test_class.sleep(0) # yield
- raise Exception("Event did not occur within timeout")
+ try:
+ e = self._events.get(timeout=timeout)
+ except queue.Empty:
+ raise Exception("Event did not occur within timeout")
+ msgname = type(e).__name__
+ if name and msgname != name:
+ raise Exception("Unexpected event received: %s, expected: %s"
+ % msgname)
+ self.test_class.logger.debug("Returning event %s:%s" % (name, e))
+ return e
def __call__(self, name, event):
""" Enqueue event in the internal event queue. """
- # FIXME use the name instead of relying on type(e).__name__ ?
- # FIXME #2 if this throws, it is eaten silently, Ole?
self.test_class.logger.debug("New event: %s: %s" % (name, event))
- self._events.append(event)
+ self._events.put(event)
def factory(self, name, apifn):
def f(*a, **ka):
@@ -262,7 +251,14 @@ class VppPapiProvider(object):
def connect(self):
"""Connect the API to VPP"""
- self.vpp.connect(self.name, self.shm_prefix)
+ # This might be called before VPP is prepared to listen to the socket
+ retries = 0
+ while not os.path.exists(self.test_class.api_sock):
+ time.sleep(0.5)
+ retries += 1
+ if retries > 120:
+ break
+ self.vpp.connect(self.name[:63])
self.papi = self.vpp.api
self.vpp.register_event_callback(self)