def get_queue(qid=None):
r"""Create or return a sysv_ipc.MessageQueue and register it.
Args:
qid (int, optional): If provided, ID for existing queue that should be
returned. Defaults to None and a new queue is returned.
Returns:
:class:`sysv_ipc.MessageQueue`: Message queue.
"""
if _ipc_installed:
kwargs = dict(max_message_size=tools.get_CIS_MSG_MAX())
if qid is None:
kwargs['flags'] = sysv_ipc.IPC_CREX
mq = sysv_ipc.MessageQueue(qid, **kwargs)
key = str(mq.key)
CommBase.register_comm('IPCComm', key, mq)
return mq
else: # pragma: windows
logging.warning("IPC not installed. Queue cannot be returned.")
return None
import os
import numpy as np
import nose.tools as nt
import unittest
from cis_interface.interface import PsiInterface
from cis_interface.tools import CIS_MSG_EOF, get_CIS_MSG_MAX, CIS_MSG_BUF
from cis_interface.drivers import (
import_driver, InputCommDriver, OutputCommDriver, MatlabModelDriver)
from cis_interface.tests import CisTestClassInfo
CIS_MSG_MAX = get_CIS_MSG_MAX()
def test_maxMsgSize():
r"""Test max message size."""
nt.assert_equal(PsiInterface.maxMsgSize(), CIS_MSG_MAX)
def test_eof_msg():
r"""Test eof message signal."""
nt.assert_equal(PsiInterface.eof_msg(), CIS_MSG_EOF)
def test_bufMsgSize():
r"""Test buf message size."""
nt.assert_equal(PsiInterface.bufMsgSize(), CIS_MSG_BUF)
@unittest.skipIf(not MatlabModelDriver._matlab_installed, "Matlab not installed.")
def test_PsiMatlab_class(): # pragma: matlab
def maxMsgSize(self):
r"""int: Maximum message size."""
return get_CIS_MSG_MAX()