############################################################################## # # Copyright (c) 2002 Nexedi SARL and Contributors. All Rights Reserved. # Jean-Paul Smets-Solanes <jp@nexedi.com> # # WARNING: This program as such is intended to be used by professional # programmers who take the whole responsability of assessing all potential # consequences resulting from its eventual inadequacies and bugs # End users who are looking for a ready-to-use solution with commercial # garantees and support are strongly adviced to contract a Free Software # Service Company # # This program 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 # of the License, or (at your option) any later version. # # This program 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 program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # ############################################################################## import socket import urllib import threading import sys from types import TupleType, StringType import re from Products.CMFCore import CMFCorePermissions from Products.ERP5Type.Core.Folder import Folder from Products.CMFActivity.ActiveResult import ActiveResult from Products.PythonScripts.Utility import allow_class from AccessControl import ClassSecurityInfo, Permissions from AccessControl.SecurityManagement import newSecurityManager from AccessControl.SecurityManagement import noSecurityManager from AccessControl.SecurityManagement import setSecurityManager from AccessControl.SecurityManagement import getSecurityManager from Products.CMFCore.utils import UniqueObject, _getAuthenticatedUser, getToolByName from Globals import InitializeClass, DTMLFile from Acquisition import aq_base from Acquisition import aq_inner from Products.CMFActivity.ActiveObject import DISTRIBUTABLE_STATE, INVOKE_ERROR_STATE, VALIDATE_ERROR_STATE from ActivityBuffer import ActivityBuffer from zExceptions import ExceptionFormatter from ZODB.POSException import ConflictError from Products.MailHost.MailHost import MailHostError from zLOG import LOG, INFO, WARNING try: from Products.TimerService import getTimerService except ImportError: def getTimerService(self): pass # minimal IP:Port regexp NODE_RE = re.compile('^\d+\.\d+\.\d+\.\d+:\d+$') # Using a RAM property (not a property of an instance) allows # to prevent from storing a state in the ZODB (and allows to restart...) active_threads = 0 max_active_threads = 1 # 2 will cause more bug to appear (he he) is_initialized = 0 tic_lock = threading.Lock() # A RAM based lock to prevent too many concurrent tic() calls timerservice_lock = threading.Lock() # A RAM based lock to prevent TimerService spamming when busy first_run = 1 # Activity Registration activity_dict = {} activity_list = [] def registerActivity(activity): # Must be rewritten to register # class and create instance for each activity #LOG('Init Activity', 0, str(activity.__name__)) activity_instance = activity() activity_list.append(activity_instance) activity_dict[activity.__name__] = activity_instance class Message: """Activity Message Class. Message instances are stored in an activity queue, inside the Activity Tool. """ def __init__(self, obj, active_process, activity_kw, method_id, args, kw): if isinstance(obj, str): self.object_path = obj.split('/') else: self.object_path = obj.getPhysicalPath() if type(active_process) is StringType: self.active_process = active_process.split('/') elif active_process is None: self.active_process = None else: self.active_process = active_process.getPhysicalPath() self.active_process_uid = active_process.getUid() self.activity_kw = activity_kw self.method_id = method_id self.args = args self.kw = kw self.is_executed = 0 self.exc_type = None self.processing = None self.user_name = str(_getAuthenticatedUser(self)) # Store REQUEST Info ? def getObject(self, activity_tool): """return the object referenced in this message.""" return activity_tool.unrestrictedTraverse(self.object_path) def getObjectList(self, activity_tool): """return the list of object that can be expanded from this message.""" try: expand_method_id = self.activity_kw['expand_method_id'] obj = self.getObject(activity_tool) # FIXME: how to pass parameters? object_list = getattr(obj, expand_method_id)() except KeyError: object_list = [self.getObject(activity_tool)] return object_list def hasExpandMethod(self): """return true if the message has an expand method. An expand method is used to expand the list of objects and to turn a big recursive transaction affecting many objects into multiple transactions affecting only one object at a time (this can prevent duplicated method calls).""" return self.activity_kw.has_key('expand_method_id') def changeUser(self, user_name, activity_tool): """restore the security context for the calling user.""" uf = activity_tool.getPortalObject().acl_users user = uf.getUserById(user_name) # if the user is not found, try to get it from a parent acl_users # XXX this is still far from perfect, because we need to store all # informations about the user (like original user folder, roles) to # replay the activity with exactly the same security context as if # it had been executed without activity. if user is None: uf = activity_tool.getPortalObject().aq_parent.acl_users user = uf.getUserById(user_name) if user is not None: user = user.__of__(uf) newSecurityManager(None, user) else : LOG("CMFActivity", WARNING, "Unable to find user %s in the portal" % user_name) noSecurityManager() return user def activateResult(self, activity_tool, result, object): if self.active_process is not None: active_process = activity_tool.unrestrictedTraverse(self.active_process) if isinstance(result,ActiveResult): result.edit(object_path=object) result.edit(method_id=self.method_id) # XXX Allow other method_id in future active_process.activateResult(result) else: active_process.activateResult( ActiveResult(object_path=object, method_id=self.method_id, result=result)) # XXX Allow other method_id in future def __call__(self, activity_tool): try: obj = self.getObject(activity_tool) # Change user if required (TO BE DONE) # We will change the user only in order to execute this method current_user = str(_getAuthenticatedUser(self)) user = self.changeUser(self.user_name, activity_tool) try: result = getattr(obj, self.method_id)(*self.args, **self.kw) finally: # Use again the previous user if user is not None: self.changeUser(current_user, activity_tool) self.activateResult(activity_tool, result, obj) self.is_executed = 1 except: self.is_executed = 0 self.exc_type = sys.exc_info()[0] self.exc_value = str(sys.exc_info()[1]) self.traceback = ''.join(ExceptionFormatter.format_exception( *sys.exc_info())) LOG('ActivityTool', WARNING, 'Could not call method %s on object %s' % ( self.method_id, self.object_path), error=sys.exc_info()) # push the error in ZODB error_log if hasattr(activity_tool, 'error_log'): activity_tool.error_log.raising(sys.exc_info()) def validate(self, activity, activity_tool, check_order_validation=1): return activity.validate(activity_tool, self, check_order_validation=check_order_validation, **self.activity_kw) def getDependentMessageList(self, activity, activity_tool): return activity.getDependentMessageList(activity_tool, self, **self.activity_kw) def notifyUser(self, activity_tool, message="Failed Processing Activity"): """Notify the user that the activity failed.""" portal = activity_tool.getPortalObject() user_email = None user = portal.portal_membership.getMemberById(self.user_name) if user is not None: user_email = user.getProperty('email') if user_email in ('', None): user_email = portal.getProperty('email_to_address', portal.getProperty('email_from_address')) mail_text = """From: %s To: %s Subject: %s %s Document: %s Method: %s Exception: %s %s %s """ % (activity_tool.email_from_address, user_email, message, message, '/'.join(self.object_path), self.method_id, self.exc_type, self.exc_value, self.traceback) try: activity_tool.MailHost.send( mail_text ) except (socket.error, MailHostError), message: LOG('ActivityTool.notifyUser', WARNING, 'Mail containing failure information failed to be sent: %s' % (message, )) def reactivate(self, activity_tool): # Reactivate the original object. obj= self.getObject(activity_tool) # Change user if required (TO BE DONE) # We will change the user only in order to execute this method current_user = str(_getAuthenticatedUser(self)) user = self.changeUser(self.user_name, activity_tool) try: active_obj = obj.activate(**self.activity_kw) getattr(active_obj, self.method_id)(*self.args, **self.kw) finally: # Use again the previous user if user is not None: self.changeUser(current_user, activity_tool) class Method: def __init__(self, passive_self, activity, active_process, kw, method_id): self.__passive_self = passive_self self.__activity = activity self.__active_process = active_process self.__kw = kw self.__method_id = method_id def __call__(self, *args, **kw): m = Message(self.__passive_self, self.__active_process, self.__kw, self.__method_id, args, kw) activity_dict[self.__activity].queueMessage(self.__passive_self.portal_activities, m) allow_class(Method) class ActiveWrapper: def __init__(self, passive_self, activity, active_process, **kw): self.__dict__['__passive_self'] = passive_self self.__dict__['__activity'] = activity self.__dict__['__active_process'] = active_process self.__dict__['__kw'] = kw def __getattr__(self, id): return Method(self.__dict__['__passive_self'], self.__dict__['__activity'], self.__dict__['__active_process'], self.__dict__['__kw'], id) class ActivityTool (Folder, UniqueObject): """ ActivityTool is the central point for activity management. Improvement to consider to reduce locks: Idea 1: create an SQL tool which accumulate queries and executes them at the end of a transaction, thus allowing all SQL transaction to happen in a very short time (this would also be a great way of using MyISAM tables) Idea 2: do the same at the level of ActivityTool Idea 3: do the same at the level of each activity (ie. queueMessage accumulates and fires messages at the end of the transactino) """ id = 'portal_activities' meta_type = 'CMF Activity Tool' portal_type = 'Activity Tool' allowed_types = ( 'CMF Active Process', ) security = ClassSecurityInfo() _distributingNode = '' _nodes = () manage_options = tuple( [ { 'label' : 'Overview', 'action' : 'manage_overview' } , { 'label' : 'Activities', 'action' : 'manageActivities' } , { 'label' : 'LoadBalancing', 'action' : 'manageLoadBalancing'} , { 'label' : 'Advanced', 'action' : 'manageActivitiesAdvanced' } , ] + list(Folder.manage_options)) security.declareProtected( CMFCorePermissions.ManagePortal , 'manageActivities' ) manageActivities = DTMLFile( 'dtml/manageActivities', globals() ) security.declareProtected( CMFCorePermissions.ManagePortal , 'manageActivitiesAdvanced' ) manageActivitiesAdvanced = DTMLFile( 'dtml/manageActivitiesAdvanced', globals() ) security.declareProtected( CMFCorePermissions.ManagePortal , 'manage_overview' ) manage_overview = DTMLFile( 'dtml/explainActivityTool', globals() ) security.declareProtected( CMFCorePermissions.ManagePortal , 'manageLoadBalancing' ) manageLoadBalancing = DTMLFile( 'dtml/manageLoadBalancing', globals() ) distributingNode = '' _nodes = () def __init__(self): return Folder.__init__(self, ActivityTool.id) # Filter content (ZMI)) def filtered_meta_types(self, user=None): # Filters the list of available meta types. all = ActivityTool.inheritedAttribute('filtered_meta_types')(self) meta_types = [] for meta_type in self.all_meta_types(): if meta_type['name'] in self.allowed_types: meta_types.append(meta_type) return meta_types def initialize(self): global is_initialized from Activity import RAMQueue, RAMDict, SQLQueue, SQLDict # Initialize each queue for activity in activity_list: activity.initialize(self) is_initialized = 1 security.declareProtected(Permissions.manage_properties, 'isSubscribed') def isSubscribed(self): """ return True, if we are subscribed to TimerService. Otherwise return False. """ service = getTimerService(self) if not service: LOG('ActivityTool', INFO, 'TimerService not available') return False path = '/'.join(self.getPhysicalPath()) if path in service.lisSubscriptions(): return True return False security.declareProtected(Permissions.manage_properties, 'subscribe') def subscribe(self, REQUEST=None, RESPONSE=None): """ subscribe to the global Timer Service """ service = getTimerService(self) url = '%s/manageLoadBalancing?manage_tabs_message=' %self.absolute_url() if not service: LOG('ActivityTool', INFO, 'TimerService not available') url += urllib.quote('TimerService not available') else: service.subscribe(self) url += urllib.quote("Subscribed to Timer Service") if RESPONSE is not None: RESPONSE.redirect(url) security.declareProtected(Permissions.manage_properties, 'unsubscribe') def unsubscribe(self, REQUEST=None, RESPONSE=None): """ unsubscribe from the global Timer Service """ service = getTimerService(self) url = '%s/manageLoadBalancing?manage_tabs_message=' %self.absolute_url() if not service: LOG('ActivityTool', INFO, 'TimerService not available') url += urllib.quote('TimerService not available') else: service.unsubscribe(self) url += urllib.quote("Unsubscribed from Timer Service") if RESPONSE is not None: RESPONSE.redirect(url) def manage_beforeDelete(self, item, container): self.unsubscribe() Folder.inheritedAttribute('manage_beforeDelete')(self, item, container) def manage_afterAdd(self, item, container): self.subscribe() Folder.inheritedAttribute('manage_afterAdd')(self, item, container) def getCurrentNode(self): """ Return current node in form ip:port """ port = '' from asyncore import socket_map for k, v in socket_map.items(): if hasattr(v, 'port'): # see Zope/lib/python/App/ApplicationManager.py: def getServers(self) type = str(getattr(v, '__class__', 'unknown')) if type == 'ZServer.HTTPServer.zhttp_server': port = v.port break ip = socket.gethostbyname(socket.gethostname()) currentNode = '%s:%s' %(ip, port) return currentNode security.declarePublic('getDistributingNode') def getDistributingNode(self): """ Return the distributingNode """ return self.distributingNode security.declarePublic('getNodeList getNodes') def getNodes(self): """ Return all nodes """ return self._nodes getNodeList = getNodes def _isValidNodeName(self, node_name) : """Check we have been provided a good node name""" return isinstance(node_name, str) and NODE_RE.match(node_name) security.declarePublic('manage_setDistributingNode') def manage_setDistributingNode(self, distributingNode, REQUEST=None): """ set the distributing node """ if not distributingNode or self._isValidNodeName(distributingNode): self.distributingNode = distributingNode if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Distributing Node successfully changed.")) else : if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Malformed Distributing Node.")) security.declarePublic('manage_addNode') def manage_addNode(self, node, REQUEST=None): """ add a node """ if not self._isValidNodeName(node) : if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Malformed node.")) return if node in self._nodes: if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Node exists already.")) return self._nodes = self._nodes + (node,) if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Node successfully added.")) security.declarePublic('manage_delNode') def manage_delNode(self, deleteNodes, REQUEST=None): """ delete nodes """ nodeList = list(self._nodes) for node in deleteNodes: if node in self._nodes: nodeList.remove(node) self._nodes = tuple(nodeList) if REQUEST is not None: REQUEST.RESPONSE.redirect( REQUEST.URL1 + '/manageLoadBalancing?manage_tabs_message=' + urllib.quote("Node(s) successfully deleted.")) def process_timer(self, tick, interval, prev="", next=""): """ Call distribute() if we are the Distributing Node and call tic() with our node number. This method is called by TimerService in the interval given in zope.conf. The Default is every 5 seconds. """ # Prevent TimerService from starting multiple threads in parallel acquired = timerservice_lock.acquire(0) if not acquired: return old_sm = getSecurityManager() try: # get owner of portal_catalog, so normally we should be able to # have the permission to invoke all activities user = self.portal_catalog.getWrappedOwner() newSecurityManager(self.REQUEST, user) currentNode = self.getCurrentNode() # only distribute when we are the distributingNode or if it's empty if (self.distributingNode == currentNode): self.distribute(len(self._nodes)) elif not self.distributingNode: self.distribute(1) # SkinsTool uses a REQUEST cache to store skin objects, as # with TimerService we have the same REQUEST over multiple # portals, we clear this cache to make sure the cache doesn't # contains skins from another portal. stool = getToolByName(self, 'portal_skins', None) if stool is not None: stool.changeSkin(None) # call tic for the current processing_node # the processing_node numbers are the indices of the elements in the node tuple +1 # because processing_node starts form 1 if currentNode in self._nodes: self.tic(list(self._nodes).index(currentNode)+1) elif len(self._nodes) == 0: self.tic(1) finally: timerservice_lock.release() setSecurityManager(old_sm) security.declarePublic('distribute') def distribute(self, node_count=1): """ Distribute load """ # Initialize if needed global is_initialized if not is_initialized: self.initialize() # Call distribute on each queue for activity in activity_list: try: activity.distribute(aq_inner(self), node_count) except ConflictError: raise except: LOG('CMFActivity:', 100, 'Core call to distribute failed for activity %s' % activity, error=sys.exc_info()) security.declarePublic('tic') def tic(self, processing_node=1, force=0): """ Starts again an activity processing_node starts from 1 (there is not node 0) """ global active_threads, is_initialized, first_run # return if the number of threads is too high # else, increase the number of active_threads and continue tic_lock.acquire() too_many_threads = (active_threads >= max_active_threads) if not too_many_threads or force: active_threads += 1 else: tic_lock.release() raise RuntimeError, 'Too many threads' tic_lock.release() # Initialize if needed if not is_initialized: self.initialize() inner_self = aq_inner(self) # If this is the first tic after zope is started, reset the processing # flag for activities of this node if first_run: inner_self.SQLDict_clearProcessingFlag( processing_node=processing_node) inner_self.SQLQueue_clearProcessingFlag( processing_node=processing_node) first_run = 0 try: # Wakeup each queue for activity in activity_list: try: activity.wakeup(inner_self, processing_node) except ConflictError: raise except: LOG('CMFActivity:', 100, 'Core call to wakeup failed for activity %s' % activity) # Process messages on each queue in round robin has_awake_activity = 1 while has_awake_activity: has_awake_activity = 0 for activity in activity_list: try: activity.tic(inner_self, processing_node) # Transaction processing is the responsability of the activity has_awake_activity = has_awake_activity or activity.isAwake(inner_self, processing_node) except ConflictError: raise except: LOG('CMFActivity:', 100, 'Core call to tic or isAwake failed for activity %s' % activity, error=sys.exc_info()) finally: # decrease the number of active_threads tic_lock.acquire() active_threads -= 1 tic_lock.release() def hasActivity(self, *args, **kw): # Check in each queue if the object has deferred tasks # if not argument is provided, then check on self if len(args) > 0: obj = args[0] else: obj = self for activity in activity_list: if activity.hasActivity(aq_inner(self), obj, **kw): return 1 return 0 security.declarePrivate('activateObject') def activateObject(self, object, activity, active_process, **kw): global is_initialized if not is_initialized: self.initialize() if getattr(self, '_v_activity_buffer', None) is None: self._v_activity_buffer = ActivityBuffer(activity_tool=self) return ActiveWrapper(object, activity, active_process, **kw) def deferredQueueMessage(self, activity, message): self._v_activity_buffer.deferredQueueMessage(self, activity, message) def deferredDeleteMessage(self, activity, message): if getattr(self, '_v_activity_buffer', None) is None: self._v_activity_buffer = ActivityBuffer(activity_tool=self) self._v_activity_buffer.deferredDeleteMessage(self, activity, message) def getRegisteredMessageList(self, activity): activity_buffer = getattr(self, '_v_activity_buffer', None) if activity_buffer is not None: activity_buffer._register() # This is required if flush flush is called outside activate return activity.getRegisteredMessageList(self._v_activity_buffer, aq_inner(self)) else: return [] def unregisterMessage(self, activity, message): self._v_activity_buffer._register() # Required if called by flush, outside activate return activity.unregisterMessage(self._v_activity_buffer, aq_inner(self), message) def flush(self, obj, invoke=0, **kw): global is_initialized if not is_initialized: self.initialize() if getattr(self, '_v_activity_buffer', None) is None: self._v_activity_buffer = ActivityBuffer(activity_tool=self) if isinstance(obj, tuple): object_path = obj else: object_path = obj.getPhysicalPath() for activity in activity_list: activity.flush(aq_inner(self), object_path, invoke=invoke, **kw) def start(self, **kw): global is_initialized if not is_initialized: self.initialize() for activity in activity_list: activity.start(aq_inner(self), **kw) def stop(self, **kw): global is_initialized if not is_initialized: self.initialize() for activity in activity_list: activity.stop(aq_inner(self), **kw) def invoke(self, message): message(self) def invokeGroup(self, method_id, message_list): # Invoke a group method. object_list = [] expanded_object_list = [] new_message_list = [] path_dict = {} # Filter the list of messages. If an object is not available, ignore such a message. # In addition, expand an object if necessary, and make sure that no duplication happens. for m in message_list: # alternate method is used to segregate objects which cannot be grouped. alternate_method_id = m.activity_kw.get('alternate_method_id') try: obj = m.getObject(self) i = len(new_message_list) # This is an index of this message in new_message_list. if m.hasExpandMethod(): for subobj in m.getObjectList(self): path = subobj.getPath() if path not in path_dict: path_dict[path] = i if alternate_method_id is not None \ and hasattr(aq_base(subobj), alternate_method_id): # if this object is alternated, generate a new single active object. activity_kw = m.activity_kw.copy() if 'group_method_id' in activity_kw: del activity_kw['group_method_id'] if 'group_id' in activity_kw: del activity_kw['group_id'] active_obj = subobj.activate(**activity_kw) getattr(active_obj, alternate_method_id)(*m.args, **m.kw) else: expanded_object_list.append(subobj) else: path = obj.getPath() if path not in path_dict: path_dict[path] = i if alternate_method_id is not None \ and hasattr(aq_base(obj), alternate_method_id): # if this object is alternated, generate a new single active object. activity_kw = m.activity_kw.copy() if 'group_method_id' in activity_kw: del activity_kw['group_method_id'] active_obj = obj.activate(**activity_kw) getattr(active_obj, alternate_method_id)(*m.args, **m.kw) else: expanded_object_list.append(obj) object_list.append(obj) new_message_list.append(m) except: m.is_executed = 0 m.exc_type = sys.exc_info()[0] LOG('WARNING ActivityTool', 0, 'Could not call method %s on object %s' % (m.method_id, m.object_path), error=sys.exc_info()) try: if len(expanded_object_list) > 0: method = self.unrestrictedTraverse(method_id) # FIXME: how to apply security here? # NOTE: expanded_object_list must be set to failed objects by the callee. # If it fully succeeds, expanded_object_list must be empty when returning. result = method(expanded_object_list, **m.kw) else: result = None except: # In this case, the group method completely failed. for m in new_message_list: m.is_executed = 0 m.exc_type = sys.exc_info()[0] LOG('WARNING ActivityTool', 0, 'Could not call method %s on objects %s' % (method_id, expanded_object_list), error=sys.exc_info()) else: # Obtain all indices of failed messages. Note that this can be a partial failure. failed_message_dict = {} for obj in expanded_object_list: path = obj.getPath() i = path_dict[path] failed_message_dict[i] = None # Only for succeeded messages, an activity process is invoked (if any). for i in xrange(len(object_list)): object = object_list[i] m = new_message_list[i] if i in failed_message_dict: m.is_executed = 0 LOG('ActivityTool', WARNING, 'the method %s partially failed on object %s' % (m.method_id, m.object_path,)) else: try: m.activateResult(self, result, object) m.is_executed = 1 except: m.is_executed = 0 m.exc_type = sys.exc_info()[0] LOG('ActivityTool', WARNING, 'Could not call method %s on object %s' % ( m.method_id, m.object_path), error=sys.exc_info()) def newMessage(self, activity, path, active_process, activity_kw, method_id, *args, **kw): # Some Security Cheking should be made here XXX global is_initialized if not is_initialized: self.initialize() if getattr(self, '_v_activity_buffer', None) is None: self._v_activity_buffer = ActivityBuffer(activity_tool=self) activity_dict[activity].queueMessage(aq_inner(self), Message(path, active_process, activity_kw, method_id, args, kw)) security.declareProtected( CMFCorePermissions.ManagePortal, 'manageInvoke' ) def manageInvoke(self, object_path, method_id, REQUEST=None): """ Invokes all methods for object "object_path" """ if type(object_path) is type(''): object_path = tuple(object_path.split('/')) self.flush(object_path,method_id=method_id,invoke=1) if REQUEST is not None: return REQUEST.RESPONSE.redirect('%s/%s' % (self.absolute_url(), 'manageActivities')) security.declareProtected( CMFCorePermissions.ManagePortal, 'manageCancel' ) def manageCancel(self, object_path, method_id, REQUEST=None): """ Cancel all methods for object "object_path" """ if type(object_path) is type(''): object_path = tuple(object_path.split('/')) self.flush(object_path,method_id=method_id,invoke=0) if REQUEST is not None: return REQUEST.RESPONSE.redirect('%s/%s' % (self.absolute_url(), 'manageActivities')) security.declareProtected( CMFCorePermissions.ManagePortal, 'manageClearActivities' ) def manageClearActivities(self, keep=1, REQUEST=None): """ Clear all activities and recreate tables. """ folder = getToolByName(self, 'portal_skins').activity # Obtain all pending messages. message_list = [] if keep: for activity in activity_list: if hasattr(activity, 'dumpMessageList'): try: message_list.extend(activity.dumpMessageList(self)) except ConflictError: raise except: LOG('ActivityTool', WARNING, 'could not dump messages from %s' % (activity,), error=sys.exc_info()) if getattr(folder, 'SQLDict_createMessageTable', None) is not None: try: folder.SQLDict_dropMessageTable() except ConflictError: raise except: LOG('CMFActivity', WARNING, 'could not drop the message table', error=sys.exc_info()) folder.SQLDict_createMessageTable() if getattr(folder, 'SQLQueue_createMessageTable', None) is not None: try: folder.SQLQueue_dropMessageTable() except ConflictError: raise except: LOG('CMFActivity', WARNING, 'could not drop the message queue table', error=sys.exc_info()) folder.SQLQueue_createMessageTable() # Reactivate the messages. for m in message_list: try: m.reactivate(aq_inner(self)) except ConflictError: raise except: LOG('ActivityTool', WARNING, 'could not reactivate the message %r, %r' % (m.object_path, m.method_id), error=sys.exc_info()) if REQUEST is not None: return REQUEST.RESPONSE.redirect('%s/%s' % (self.absolute_url(), 'manageActivitiesAdvanced?manage_tabs_message=Activities%20Cleared')) security.declarePublic('getMessageList') def getMessageList(self,**kw): """ List messages waiting in queues """ # Initialize if needed if not is_initialized: self.initialize() message_list = [] for activity in activity_list: try: message_list += activity.getMessageList(aq_inner(self),**kw) except AttributeError: LOG('getMessageList, could not get message from Activity:',0,activity) return message_list security.declarePublic('countMessageWithTag') def countMessageWithTag(self, value): """ Return the number of messages which match the given tag. """ message_count = 0 for activity in activity_list: message_count += activity.countMessageWithTag(aq_inner(self), value) return message_count security.declarePublic('countMessage') def countMessage(self, **kw): """ Return the number of messages which match the given parameter. Parameters allowed: method_id : the id of the method path : for activities on a particular object tag : activities with a particular tag message_uid : activities with a particular uid """ message_count = 0 for activity in activity_list: message_count += activity.countMessage(aq_inner(self), **kw) return message_count security.declareProtected( CMFCorePermissions.ManagePortal , 'newActiveProcess' ) def newActiveProcess(self, **kw): from ActiveProcess import addActiveProcess new_id = str(self.generateNewId()) addActiveProcess(self, new_id) active_process = self._getOb(new_id) active_process.edit(**kw) return active_process def reindexObject(self): self.immediateReindexObject() # Active synchronisation methods security.declarePrivate('validateOrder') def validateOrder(self, message, validator_id, validation_value): message_list = self.getDependentMessageList(message, validator_id, validation_value) return len(message_list) > 0 security.declarePrivate('getDependentMessageList') def getDependentMessageList(self, message, validator_id, validation_value): global is_initialized if not is_initialized: self.initialize() message_list = [] method_id = "_validate_%s" % validator_id for activity in activity_list: method = getattr(activity, method_id, None) if method is not None: result = method(aq_inner(self), message, validation_value) if result: message_list.extend([(activity, m) for m in result]) return message_list # Required for tests (time shift) def timeShift(self, delay): global is_initialized if not is_initialized: self.initialize() for activity in activity_list: activity.timeShift(aq_inner(self), delay) InitializeClass(ActivityTool)