def __init__(self, host, port, uri, database, controller, config, log, \
ui_controller):
self.config = config
self.log = log
self.host = host
self.port = port
self.uri = uri
self.ui_controller = ui_controller
self.eman = EventManager(database, log, controller, \
self.config.mediadir(), self.get_media_file, self.ui_controller)
self.login = ''
self.passwd = ''
self.id = hex(uuid.getnode())
self.name = 'Mnemosyne'
self.version = mnemosyne.version.version
self.deck = 'default'
self.protocol = PROTOCOL_VERSION
self.cardtypes = N_SIDED_CARD_TYPE
self.extra = ''
self.stopped = False
def __init__(self, uri, database, config, log, ui_controller):
params = urlparse(uri)
self.host = params[0]
self.port = int(params[2])
self.config = config
self.log = log
self.ui_controller = ui_controller
self.eman = EventManager(database, self.log, None, \
self.config.mediadir(), None, self.ui_controller)
self.httpd = MyWSGIServer(self.host, self.port, self.wsgi_app)
self.httpd.update_events = self.ui_controller.update_events
self.login = None
self.passwd = None
self.logged = False
self.machine_id = hex(uuid.getnode())
self.name = 'Mnemosyne'
self.version = mnemosyne.version.version
self.protocol = PROTOCOL_VERSION
self.cardtypes = N_SIDED_CARD_TYPE
self.upload_media = True
self.read_only = False
class Server:
"""Base server class for syncing."""
DEFAULT_MIME = "xml/text"
def __init__(self, uri, database, config, log, ui_controller):
params = urlparse(uri)
self.host = params[0]
self.port = int(params[2])
self.config = config
self.log = log
self.ui_controller = ui_controller
self.eman = EventManager(database, self.log, None, \
self.config.mediadir(), None, self.ui_controller)
self.httpd = MyWSGIServer(self.host, self.port, self.wsgi_app)
self.httpd.update_events = self.ui_controller.update_events
self.login = None
self.passwd = None
self.logged = False
self.machine_id = hex(uuid.getnode())
self.name = 'Mnemosyne'
self.version = mnemosyne.version.version
self.protocol = PROTOCOL_VERSION
self.cardtypes = N_SIDED_CARD_TYPE
self.upload_media = True
self.read_only = False
def set_user(self, login, passwd):
"""Sets server login and password."""
self.login = login
self.passwd = passwd
def get_method(self, environ):
"""
Checks for method existence in service
and checks for right request params.
"""
def compare_args(list1, list2):
"""Compares two lists or tuples."""
for item in list1:
if not item in list2:
return False
return True
if environ.has_key('HTTP_AUTHORIZATION'):
clogin, cpasswd = base64.decodestring(\
environ['HTTP_AUTHORIZATION'].split(' ')[-1]).split(':')
if clogin == self.login and cpasswd == self.passwd:
self.logged = True
status = '200 OK'
else:
status = '403 Forbidden'
return status, "text/plain", None, None
else:
if not self.logged:
return '403 Forbidden', "text/plain", None, None
method = (environ['REQUEST_METHOD'] + \
'_'.join(environ['PATH_INFO'].split('/'))).lower()
if hasattr(self, method) and callable(getattr(self, method)):
args = cgi.parse_qs(environ['QUERY_STRING'])
args = dict([(key, val[0]) for key, val in args.iteritems()])
if getattr(self, method).func_code.co_argcount-2 == len(args) \
and compare_args(args.keys(), getattr(self, method). \
func_code.co_varnames):
return '200 OK', self.DEFAULT_MIME, method, args
else:
return '400 Bad Request', "text/plain", None, None
else:
return '404 Not Found', "text/plain", None, None
def wsgi_app(self, environ, start_response):
"""Simple Server wsgi application."""
status, mime, method, args = self.get_method(environ)
headers = [('Content-type', mime)]
start_response(status, headers)
if method:
return getattr(self, method)(environ, **args)
else:
return status
def start(self):
"""Activate server."""
self.ui_controller.update_status("Waiting for client connection...")
print "Server started at HOST:%s, PORT:%s" % (self.host, self.port)
self.httpd.serve_forever()
def stop(self):
"""Stops Server."""
self.httpd.stop()
self.eman.stop()
def set_params(self, params):
"""Uses for setting non-default params."""
for key in params.keys():
setattr(self, key, params[key])
def get_sync_server_params(self, environ):
"""Gets server specific params and sends it to client."""
self.ui_controller.update_status(\
"Sending server params to the client. Please, wait...")
return "<params><server id='%s' name='%s' ver='%s' protocol='%s' " \
"cardtypes='%s' upload='%s' readonly='%s'/></params>" % (\
self.machine_id, self.name, self.version, self.protocol, \
self.cardtypes, self.upload_media, self.read_only)
def put_sync_client_params(self, environ):
"""Gets client specific params."""
self.ui_controller.update_status(\
"Receiving client params. Please, wait...")
try:
socket = environ['wsgi.input']
client_params = socket.readline()
except:
return "CANCEL"
else:
self.eman.set_sync_params(client_params)
self.eman.update_partnerships_table()
return "OK"
def get_sync_server_history_media_count(self, environ):
"""Gets self media files count."""
return str(self.eman.get_media_count())
def get_sync_server_history_length(self, environ):
"""Gets length of self history."""
return str(self.eman.get_history_length())
def get_sync_server_history(self, environ):
"""Gets self history events."""
self.ui_controller.update_status(\
"Sending history to the client. Please, wait...")
count = 0
hsize = float(self.eman.get_history_length() + 2)
self.ui_controller.show_progressbar()
for chunk in self.eman.get_history():
count += 1
fraction = count / hsize
self.ui_controller.update_progressbar(fraction)
if fraction == 1.0:
self.ui_controller.hide_progressbar()
self.ui_controller.update_status(\
"Waiting for the client complete. Please, wait...")
yield (chunk + '\n')
def get_sync_server_mediahistory(self, environ):
"""Gets self. media history."""
self.ui_controller.update_status(\
"Sending media history to client. Please, wait...")
return self.eman.get_media_history()
def put_sync_client_history(self, environ):
"""Gets client history and applys to self."""
socket = environ['wsgi.input']
count = 0
# gets client history size
hsize = float(socket.readline()) + 2
self.eman.make_backup()
self.ui_controller.update_status(\
"Applying client history. Please, wait...")
socket.readline() #get "<history>"
chunk = socket.readline() #get first xml-event
self.ui_controller.show_progressbar()
while chunk != "</history>\r\n":
self.eman.apply_event(chunk)
chunk = socket.readline()
count += 1
self.ui_controller.update_progressbar(count / hsize)
self.ui_controller.hide_progressbar()
self.ui_controller.update_status(\
"Waiting for the client complete. Please, wait...")
return "OK"
def get_sync_finish(self, environ):
"""Finishes syncing."""
self.eman.remove_backup()
self.ui_controller.update_status(\
"Waiting for the client complete. Please, wait...")
self.eman.update_last_sync_event()
self.logged = False
self.stop()
return "OK"
def get_sync_server_media(self, environ, fname):
"""Gets server media file and sends it to client."""
self.ui_controller.update_status(\
"Sending media to the client. Please, wait...")
try:
mediafile = open(os.path.join(self.config.mediadir(), fname))
data = mediafile.read()
mediafile.close()
except IOError:
return "CANCEL"
else:
return data
def put_sync_client_media(self, environ, fname):
"""Gets client media and applys to self."""
self.ui_controller.update_status(\
"Receiving client media. Please, wait...")
try:
socket = environ['wsgi.input']
size = int(environ['CONTENT_LENGTH'])
data = socket.read(size)
except:
return "CANCEL"
else:
mfile = open(os.path.join(self.config.mediadir(), fname), 'w')
mfile.write(data)
mfile.close()
return "OK"
class Client:
"""Base client class for syncing."""
def __init__(self, host, port, uri, database, controller, config, log, \
ui_controller):
self.config = config
self.log = log
self.host = host
self.port = port
self.uri = uri
self.ui_controller = ui_controller
self.eman = EventManager(database, log, controller, \
self.config.mediadir(), self.get_media_file, self.ui_controller)
self.login = ''
self.passwd = ''
self.id = hex(uuid.getnode())
self.name = 'Mnemosyne'
self.version = mnemosyne.version.version
self.deck = 'default'
self.protocol = PROTOCOL_VERSION
self.cardtypes = N_SIDED_CARD_TYPE
self.extra = ''
self.stopped = False
def set_user(self, login, passwd):
"""Sets user login and password."""
self.login, self.passwd = login, passwd
def start(self):
"""Start syncing."""
try:
self.ui_controller.update_status("Authorization. Please, wait...")
self.login_()
self.ui_controller.update_status("Handshaking. Please, wait...")
self.handshake()
self.ui_controller.update_status("Creating backup. Please, wait...")
backup_file = self.eman.make_backup()
server_media_count = self.get_server_media_count()
if server_media_count:
self.ui_controller.update_status(\
"Applying server media. Please, wait...")
self.eman.apply_media(self.get_media_history(), \
server_media_count)
client_media_count = self.eman.get_media_count()
if client_media_count:
self.ui_controller.update_status(\
"Sending client media to the server. Please, wait...")
self.send_client_media(self.eman.get_media_history(), \
client_media_count)
server_history_length = self.get_server_history_length()
if server_history_length:
self.ui_controller.update_status(\
"Applying server history. Please, wait...")
self.get_server_history(server_history_length)
# save current database and open backuped database
# to get history for server
self.eman.replace_database(backup_file)
client_history_length = self.eman.get_history_length()
if client_history_length:
self.ui_controller.update_status(\
"Sending client history to the server. Please, wait...")
self.send_client_history(self.eman.get_history(), \
client_history_length)
# close temp database and return worked database
self.eman.return_databases()
self.ui_controller.update_status(\
"Waiting for the server complete. Please, wait...")
self.send_finish_request()
if self.stopped:
raise SyncError("Aborted!")
except SyncError, exception:
self.eman.restore_backup()
self.ui_controller.show_message("Error: " + str(exception))
else:
