[Libvirt-cim] [PATCH 1 of 2] [TEST] #2 Added the indications.py to support Indications

# HG changeset patch # User Deepti B.Kalakeri <deeptik(a)linux.vnet.ibm.com&gt; # Date 1247212053 25200 # Node ID 52f4ebd26215d017e98e984d9c79fe47af9d66ab # Parent 7b18b827fca6916fd87ff417f79a96c8a19b4913 [TEST] #2 Added the indications.py to support Indications. Included the following important functions in indications.py - sub_ind() --> Subscribe for the indications to be watched. - handle_request() --> Filters the required indications. - poll_for_ind() --> Wait for the required indications to be triggered. Patch 2: -------- Retained only the new fns listed above in indications.py Tested with KVM and current sources on F10. Signed-off-by: Deepti B. Kalakeri <deeptik(a)linux.vnet.ibm.com&gt; diff -r 7b18b827fca6 -r 52f4ebd26215 suites/libvirt-cim/lib/XenKvmLib/indications.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/suites/libvirt-cim/lib/XenKvmLib/indications.py Fri Jul 10 00:47:33 2009 -0700 @@ -0,0 +1,104 @@ +#!/usr/bin/python +# +# Copyright 2009 IBM Corp. +# +# Authors: +# Deepti B. Kalakeri <deeptik(a)linux.vnet.ibm.com&gt; +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# + +from signal import SIGKILL +from CimTest.Globals import logger +from XenKvmLib.indication_tester import CIMIndicationSubscription +from XenKvmLib.vxml import set_default +from XenKvmLib.classes import get_typed_class +from CimTest.ReturnCodes import PASS, FAIL +from os import waitpid, kill, WNOHANG + +def sub_ind(ip, virt, ind_names): + dict = set_default(ip) + sub_list = {} + port = 5 + + for ind, iname in ind_names.iteritems(): + ind_name = get_typed_class(virt, iname) + + sub_name = "Test%s" % ind_name + port += 1 + + sub = CIMIndicationSubscription(sub_name, ind_name, + dict['default_ns'], + dict['default_print_ind'], + dict['default_sysname'], + port) + sub.subscribe(dict['default_url'], dict['default_auth']) + logger.info("Watching for %s", iname) + ind_names[ind] = ind_name + sub_list[ind] = sub + + return sub_list, ind_names, dict + +def handle_request(sub, ind_name, dict, exp_ind_ct): + #sfcb delivers indications to all registrations, even if the indication + #isn't what the registration was subscribed to. So, for modified and + #deleted indications, we must loop through until the indication we are + #looking for is triggered. + for i in range(0, exp_ind_ct): + sub.server.handle_request() + if len(sub.server.indications) < 1: + logger.error("No valid indications received") + return FAIL + + if str(sub.server.indications[0]) == ind_name: + sub.unsubscribe(dict['default_auth']) + logger.info("Cancelling subscription for %s", ind_name) + return PASS + else: + sub.server.indications.remove(sub.server.indications[0]) + + logger.error("Did not recieve indication %s", ind_name) + return FAIL + +def poll_for_ind(pid, ind_name, timeout=20): + status = FAIL + for i in range(0, timeout): + pw = waitpid(pid, WNOHANG) + + # If pid exits, waitpid returns [pid, return_code] + # If pid is still running, waitpid returns [0, 0] + # Only return a success if waitpid returns the expected pid + # and the return code is 0. + if pw[0] == pid and pw[1] == 0: + logger.info("Great, got '%s' indication successfully", ind_name) + status = PASS + break + elif pw[1] == 0 and i < timeout: + if i % 10 == 0: + logger.info("In child, waiting for '%s' indication", ind_name) + sleep(1) + else: + # Time is up and waitpid never returned the expected pid + if pw[0] != pid: + logger.error("Waited too long for '%s' indication", ind_name) + kill(pid, SIGKILL) + else: + logger.error("Received Indication error: '%d'", pw[1]) + + status = FAIL + break + + return status