110 lines
4.4 KiB
Python
110 lines
4.4 KiB
Python
#
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# alertmanager.py
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#
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# Copyright (C) 2007 Andrew Resch ('andar') <andrewresch@gmail.com>
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#
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# Deluge is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option)
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# any later version.
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#
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# deluge is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with deluge. If not, write to:
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# The Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor
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# Boston, MA 02110-1301, USA.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# library.
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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"""The AlertManager handles all the libtorrent alerts."""
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import gobject
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import deluge.component as component
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import deluge.libtorrent as lt
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from deluge.log import LOG as log
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class AlertManager(component.Component):
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def __init__(self, session):
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log.debug("AlertManager initialized..")
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component.Component.__init__(self, "AlertManager", interval=50)
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self.session = session
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self.session.set_alert_mask(
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lt.alert.category_t.error_notification |
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lt.alert.category_t.port_mapping_notification |
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lt.alert.category_t.storage_notification |
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lt.alert.category_t.tracker_notification |
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lt.alert.category_t.status_notification |
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lt.alert.category_t.ip_block_notification)
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# handlers is a dictionary of lists {"alert_type": [handler1,h2,..]}
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self.handlers = {}
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def update(self):
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self.handle_alerts()
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def shutdown(self):
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del self.session
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del self.handlers
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def register_handler(self, alert_type, handler):
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"""Registers a function that will be called when 'alert_type' is pop'd
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in handle_alerts. The handler function should look like:
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handler(alert)
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Where 'alert' is the actual alert object from libtorrent
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"""
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if alert_type not in self.handlers.keys():
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# There is no entry for this alert type yet, so lets make it with an
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# empty list.
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self.handlers[alert_type] = []
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# Append the handler to the list in the handlers dictionary
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self.handlers[alert_type].append(handler)
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log.debug("Registered handler for alert %s", alert_type)
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def deregister_handler(self, handler):
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"""De-registers the 'handler' function from all alert types."""
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# Iterate through all handlers and remove 'handler' where found
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for (key, value) in self.handlers:
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if handler in value:
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# Handler is in this alert type list
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value.remove(handler)
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def handle_alerts(self, wait=False):
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"""Pops all libtorrent alerts in the session queue and handles them
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appropriately."""
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alert = self.session.pop_alert()
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while alert is not None:
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# Loop through all alerts in the queue
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# Do some magic to get the alert type as a string
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alert_type = str(type(alert)).split("'")[1].split(".")[2]
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# Display the alert message
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log.debug("%s: %s", alert_type, alert.message())
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# Call any handlers for this alert type
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if alert_type in self.handlers.keys():
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for handler in self.handlers[alert_type]:
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if not wait:
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gobject.idle_add(handler, alert)
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else:
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handler(alert)
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alert = self.session.pop_alert()
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# Return True so that the timer continues
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return True
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