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-rw-r--r--module/gui/connector.py165
1 files changed, 0 insertions, 165 deletions
diff --git a/module/gui/connector.py b/module/gui/connector.py
deleted file mode 100644
index c16ccd08e..000000000
--- a/module/gui/connector.py
+++ /dev/null
@@ -1,165 +0,0 @@
-# -*- coding: utf-8 -*-
-"""
- 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 3 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, see <http://www.gnu.org/licenses/>.
-
- @author: mkaay
-"""
-
-SERVER_VERSION = "0.4.9"
-
-from time import sleep
-from uuid import uuid4 as uuid
-
-from PyQt4.QtCore import *
-from PyQt4.QtGui import *
-
-import socket
-
-from module.remote.thriftbackend.ThriftClient import ThriftClient, WrongLogin, NoSSL, NoConnection
-from thrift.Thrift import TException
-
-class Connector(QObject):
- """
- manages the connection to the pyload core via thrift
- """
-
- firstAttempt = True
-
- def __init__(self):
- QObject.__init__(self)
- self.mutex = QMutex()
- self.connectionID = None
- self.host = None
- self.port = None
- self.user = None
- self.password = None
- self.ssl = None
- self.running = True
- self.internal = False
- self.proxy = self.Dummy()
-
- def setConnectionData(self, host, port, user, password, ssl=False):
- """
- set connection data for connection attempt, called from slotConnect
- """
- self.host = host
- self.port = port
- self.user = user
- self.password = password
- self.ssl = ssl
-
- def connectProxy(self):
- """
- initialize thrift rpc client,
- check for ssl, check auth,
- setup dispatcher,
- connect error signals,
- check server version
- """
- if self.internal: return True
-
- err = None
- try:
- client = ThriftClient(self.host, self.port, self.user, self.password)
- except WrongLogin:
- err = _("bad login credentials")
- except NoSSL:
- err = _("no ssl support")
- except NoConnection:
- err = _("can't connect to host")
- if err:
- if not Connector.firstAttempt:
- self.emit(SIGNAL("errorBox"), err)
- Connector.firstAttempt = False
- return False
-
- self.proxy = DispatchRPC(self.mutex, client)
- self.connect(self.proxy, SIGNAL("connectionLost"), self, SIGNAL("connectionLost"))
-
- server_version = self.proxy.getServerVersion()
- self.connectionID = uuid().hex
-
- if not server_version == SERVER_VERSION:
- self.emit(SIGNAL("errorBox"), _("server is version %(new)s client accepts version %(current)s") % { "new": server_version, "current": SERVER_VERSION})
- return False
-
- return True
-
- def __getattr__(self, attr):
- """
- redirect rpc calls to dispatcher
- """
- return getattr(self.proxy, attr)
-
- class Dummy(object):
- """
- dummy rpc proxy, to prevent errors
- """
- def __nonzero__(self):
- return False
-
- def __getattr__(self, attr):
- def dummy(*args, **kwargs):
- return None
- return dummy
-
-class DispatchRPC(QObject):
- """
- wraps the thrift client, to catch critical exceptions (connection lost)
- adds thread safety
- """
-
- def __init__(self, mutex, server):
- QObject.__init__(self)
- self.mutex = mutex
- self.server = server
-
- def __getattr__(self, attr):
- """
- redirect and wrap call in Wrapper instance, locks dispatcher
- """
- self.mutex.lock()
- self.fname = attr
- f = self.Wrapper(getattr(self.server, attr), self.mutex, self)
- return f
-
- class Wrapper(object):
- """
- represents a rpc call
- """
-
- def __init__(self, f, mutex, dispatcher):
- self.f = f
- self.mutex = mutex
- self.dispatcher = dispatcher
-
- def __call__(self, *args, **kwargs):
- """
- instance is called, rpc is executed
- exceptions are processed
- finally dispatcher is unlocked
- """
- lost = False
- try:
- return self.f(*args, **kwargs)
- except socket.error: #necessary?
- lost = True
- except TException:
- lost = True
- finally:
- self.mutex.unlock()
- if lost:
- from traceback import print_exc
- print_exc()
- self.dispatcher.emit(SIGNAL("connectionLost"))