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# -*- coding: utf-8 -*-
############################################################################
# Copyright (C) 2006 Ole André Vadla Ravnås <oleavr@gmail.com> #
# #
# 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. #
#
# 23/10/2007 - JAG - Updated to support dbus and dbus-python > 0.80 and to
# ensure thread safety in these environments. This has
# been back-ported from the OpenSync 0.30 plugin. We
# also clean up the wait systems by using events rather
# than endless loops. This fixes the random crashes and
# 'broken pipe' messages with dbus-python 0,80
# Some code cleanups
#
############################################################################
import dbus
import dbus.service
import gobject
import thread
import threading
import sys
import logging
from opensync import *
import array
SYNC_ITEM_CALENDAR = 0
SYNC_ITEM_CONTACTS = 1
SYNC_ITEM_EMAIL = 2
SYNC_ITEM_FAVORITES = 3
SYNC_ITEM_FILES = 4
SYNC_ITEM_MEDIA = 5
SYNC_ITEM_NOTES = 6
SYNC_ITEM_TASKS = 7
SUPPORTED_ITEM_TYPES = {
SYNC_ITEM_CONTACTS : ("contact", "xml-contact-doc"),
SYNC_ITEM_CALENDAR : ("event", "xml-event-doc"),
SYNC_ITEM_TASKS : ("todo", "xml-todo-doc"),
SYNC_ITEM_NOTES : ("note", "xml-note-doc"),
}
OBJ_TYPE_TO_ITEM_TYPE = {
"contact" : SYNC_ITEM_CONTACTS,
"event" : SYNC_ITEM_CALENDAR,
"todo" : SYNC_ITEM_TASKS,
"note" : SYNC_ITEM_NOTES,
}
class SyncClass:
def __init__(self, member):
global dbus
self.logger = logging.getLogger("SynCE")
self.__member = member
self.engine = None
self.isPrefilled=False
gobject.threads_init()
self.MainloopExitEvent = threading.Event()
self.SyncCompleteEvent = threading.Event()
self.PrefillCompleteEvent = threading.Event()
# How we initialize the dbus comms and main loop
# is somewhat version-dependent....
DBusVersion = getattr(dbus,'version', (0,0,0))
if DBusVersion < (0,80,0):
import dbus.glib
dbus.glib.init_threads()
else:
from dbus.mainloop.glib import DBusGMainLoop
from dbus.mainloop.glib import threads_init
dbus.mainloop.glib.threads_init()
DBusGMainLoop(set_as_default=True)
thread.start_new_thread(self._MainLoopEntry, ())
def _MainLoopEntry(self):
self.mainloop = gobject.MainLoop()
self.mainloop.run()
self.MainloopExitEvent.set()
def _CBSyncComplete(self):
self.logger.info("device synchronization complete")
self.SyncCompleteEvent.set()
def _CBPrefillComplete(self):
self.logger.info("prefill complete")
self.PrefillCompleteEvent.set()
def _TriggerPrefill(self, items):
self.logger.info("initiating prefill")
self.PrefillCompleteEvent.clear()
rc = self.engine.PrefillRemote(items)
if rc == 1:
self.PrefillCompleteEvent.wait()
return rc
def _TriggerSync(self):
self.logger.info("initiating device synchronization")
self.SyncCompleteEvent.clear()
self.engine.Synchronize()
self.logger.info("waiting for engine to complete sync")
self.SyncCompleteEvent.wait()
def _CBConnectOnIdle(self, ctx):
try:
proxy_obj = dbus.SessionBus().get_object("org.synce.SyncEngine", "/org/synce/SyncEngine")
self.engine = dbus.Interface(proxy_obj, "org.synce.SyncEngine")
self.engine.connect_to_signal("Synchronized", lambda: gobject.idle_add(self._CBSyncComplete))
self.engine.connect_to_signal("PrefillComplete", lambda: gobject.idle_add(self._CBPrefillComplete))
ctx.report_success()
except Exception, e:
self.logger.error("connect() failed: %s", e)
ctx.report_error()
def connect(self, ctx):
self.logger.debug("Connect() called")
gobject.idle_add(self._CBConnectOnIdle, ctx)
def get_changeinfo(self, ctx):
self.logger.debug("get_changeinfo() called")
isSlow = 0
prefill = []
if self.__member.get_slow_sync("contact"):
self.logger.debug("slow sync requested for Contacts")
prefill.append("Contacts")
if self.__member.get_slow_sync("event"):
self.logger.debug("slow sync requested for Calendar")
prefill.append("Calendar")
if self.__member.get_slow_sync("todo"):
self.logger.debug("slow sync requested for Tasks")
prefill.append("Tasks")
self._TriggerSync()
if len(prefill) > 0:
if self._TriggerPrefill(prefill) == 0:
self.logger.debug("failed to prefill - reverting to normal sync")
self.logger.debug("requesting remote changes")
changesets = self.engine.GetRemoteChanges(self.engine.GetSynchronizedItemTypes())
self.logger.debug("got %d changesets", len(changesets))
for item_type, changes in changesets.items():
if changes:
self.logger.debug("processing changes for %d items of item type %d", len(changesets.items()), item_type)
else:
self.logger.debug("no changes for item type %d", item_type)
acks = { item_type : [] }
for change in changes:
guid, chg_type, data = change
change = OSyncChange()
change.uid = array.array('B',guid).tostring()
change.changetype = chg_type
if item_type in SUPPORTED_ITEM_TYPES:
change.objtype, change.format = SUPPORTED_ITEM_TYPES[item_type]
if chg_type != CHANGE_DELETED:
bytes = array.array('B',data).tostring()
change.set_data(bytes)
else:
raise Exception("Unhandled item type %d" % item_type)
change.report(ctx)
acks[item_type].append(array.array('B',guid).tostring())
if len(acks[item_type]) > 0:
self.logger.debug("acknowledging remote changes for item type %d", item_type)
try:
self.engine.AcknowledgeRemoteChanges(acks)
except Exception,e:
self.logger.debug("exception %s",e)
self.logger.debug("reporting success")
ctx.report_success()
def commit_change(self, ctx, chg):
self.logger.debug("commit_change() called for item %s with change type %d", chg.uid, chg.changetype)
if chg.objtype in OBJ_TYPE_TO_ITEM_TYPE:
item_type = OBJ_TYPE_TO_ITEM_TYPE[chg.objtype]
data = ""
if chg.changetype != CHANGE_DELETED:
data = chg.data
self.engine.AddLocalChanges( { item_type : ((chg.uid,chg.changetype,data),),} )
else:
raise Exception("SynCE: object type %s not yet handled" % chg.objtype)
ctx.report_success()
def sync_done(self, ctx):
self.logger.debug("sync_done() called")
self._TriggerSync()
self.engine.FlushItemDB()
ctx.report_success()
def disconnect(self, ctx):
self.logger.debug("disconnect() called")
self.engine = None
ctx.report_success()
def finalize(self):
self.logger.debug("finalize() called")
gobject.idle_add(self.mainloop.quit)
self.MainloopExitEvent.wait()
def initialize(member):
logging.basicConfig(level=logging.DEBUG, stream=sys.stdout)
return SyncClass(member)
def get_info(info):
info.name = "synce-opensync-plugin"
info.longname = "Plugin to synchronize with Windows CE device"
info.description = "by Ole Andre Vadla Ravnaas"
info.version = 2
info.accept_objtype("contact")
info.accept_objformat("contact", "xml-contact-doc")
info.accept_objtype("event")
info.accept_objformat("event", "xml-event-doc")
info.accept_objtype("todo")
info.accept_objformat("todo", "xml-todo-doc")
info.accept_objtype("note")
info.accept_objformat("note", "xml-note-doc")
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