deluge/deluge/ui/gtkui/ipcinterface.py

225 lines
8.8 KiB
Python

#
# ipcinterface.py
#
# Copyright (C) 2008-2009 Andrew Resch <andrewresch@gmail.com>
#
# Deluge is free software.
#
# You may 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.
#
# deluge 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 deluge. If not, write to:
# The Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor
# Boston, MA 02110-1301, USA.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
#
#
import sys
import os
import base64
import deluge.rencode
import deluge.component as component
from deluge.ui.client import client
import deluge.common
from deluge.configmanager import ConfigManager
from deluge.log import LOG as log
from twisted.internet.protocol import Factory, Protocol, ClientFactory
from twisted.internet import reactor
import twisted.internet.error
class IPCProtocolServer(Protocol):
def dataReceived(self, data):
data = deluge.rencode.loads(data)
process_args(data)
class IPCProtocolClient(Protocol):
def connectionMade(self):
self.transport.write(deluge.rencode.dumps(self.factory.args))
self.transport.loseConnection()
def connectionLost(self, reason):
reactor.stop()
self.factory.stop = True
class IPCClientFactory(ClientFactory):
protocol = IPCProtocolClient
def __init__(self, args, connect_failed):
self.stop = False
self.args = args
self.connect_failed = connect_failed
def clientConnectionFailed(self, connector, reason):
log.info("Connection to running instance failed. Starting new one..")
reactor.stop()
class IPCInterface(component.Component):
def __init__(self, args):
component.Component.__init__(self, "IPCInterface")
if not os.path.exists(deluge.configmanager.get_config_dir("ipc")):
os.makedirs(deluge.configmanager.get_config_dir("ipc"))
# Make the args absolute paths
_args = []
for arg in args:
if arg.strip():
if not deluge.common.is_magnet(arg) and not deluge.common.is_url(arg):
arg = os.path.abspath(arg)
_args.append(arg)
args = _args
socket = os.path.join(deluge.configmanager.get_config_dir("ipc"), "deluge-gtk")
if deluge.common.windows_check():
# If we're on windows we need to check the global mutex to see if deluge is
# already running.
import win32event
import win32api
import winerror
self.mutex = win32event.CreateMutex(None, False, "deluge")
if win32api.GetLastError() != winerror.ERROR_ALREADY_EXISTS:
# Create listen socket
self.factory = Factory()
self.factory.protocol = IPCProtocolServer
import random
port = random.randrange(20000, 65535)
reactor.listenTCP(port, self.factory)
# Store the port number in the socket file
open(socket, "w").write(str(port))
# We need to process any args when starting this process
process_args(args)
else:
# Send to existing deluge process
port = int(open(socket, "r").readline())
self.factory = ClientFactory()
self.factory.args = args
self.factory.protocol = IPCProtocolClient
reactor.connectTCP("127.0.0.1", port, self.factory)
reactor.run()
sys.exit(0)
else:
lockfile = socket + ".lock"
log.debug("Checking if lockfile exists: %s", lockfile)
if os.path.lexists(lockfile):
try:
os.kill(int(os.readlink(lockfile)), 0)
except OSError:
log.debug("Removing lockfile since it's stale.")
try:
os.remove(lockfile)
os.remove(socket)
except Exception, e:
log.error("Problem deleting lockfile or socket file!")
log.exception(e)
try:
self.factory = Factory()
self.factory.protocol = IPCProtocolServer
reactor.listenUNIX(socket, self.factory, wantPID=True)
except twisted.internet.error.CannotListenError, e:
log.info("Deluge is already running! Sending arguments to running instance..")
self.factory = IPCClientFactory(args, self.connect_failed)
reactor.connectUNIX(socket, self.factory, checkPID=True)
reactor.run()
if self.factory.stop:
import gtk
gtk.gdk.notify_startup_complete()
sys.exit(0)
else:
self.connect_failed(args)
else:
process_args(args)
def connect_failed(self, args):
# This gets called when we're unable to do a connectUNIX to the ipc
# socket. We'll delete the lock and socket files and start up Deluge.
#reactor.stop()
socket = os.path.join(deluge.configmanager.get_config_dir("ipc"), "deluge-gtk")
if os.path.exists(socket):
try:
os.remove(socket)
except Exception, e:
log.error("Unable to remove socket file: %s", e)
lock = socket + ".lock"
if os.path.lexists(lock):
try:
os.remove(lock)
except Exception, e:
log.error("Unable to remove lock file: %s", e)
try:
self.factory = Factory()
self.factory.protocol = IPCProtocolServer
reactor.listenUNIX(socket, self.factory, wantPID=True)
except Exception, e:
log.error("Unable to start IPC listening socket: %s", e)
finally:
process_args(args)
def shutdown(self):
if deluge.common.windows_check():
import win32api
win32api.CloseHandle(self.mutex)
def process_args(args):
"""Process arguments sent to already running Deluge"""
# Make sure args is a list
args = list(args)
log.debug("Processing args from other process: %s", args)
if not client.connected():
# We're not connected so add these to the queue
log.debug("Not connected to host.. Adding to queue.")
component.get("QueuedTorrents").add_to_queue(args)
return
config = ConfigManager("gtkui.conf")
for arg in args:
if not arg:
continue
log.debug("arg: %s", arg)
if deluge.common.is_url(arg):
log.debug("Attempting to add %s from external source..",
arg)
if config["interactive_add"]:
component.get("AddTorrentDialog").add_from_url(arg)
component.get("AddTorrentDialog").show(config["focus_add_dialog"])
else:
client.core.add_torrent_url(arg, None)
elif deluge.common.is_magnet(arg):
log.debug("Attempting to add %s from external source..", arg)
if config["interactive_add"]:
component.get("AddTorrentDialog").add_from_magnets([arg])
component.get("AddTorrentDialog").show(config["focus_add_dialog"])
else:
client.core.add_torrent_magnet(arg, {})
else:
# Just a file
log.debug("Attempting to add %s from external source..",
os.path.abspath(arg))
if config["interactive_add"]:
component.get("AddTorrentDialog").add_from_files([os.path.abspath(arg)])
component.get("AddTorrentDialog").show(config["focus_add_dialog"])
else:
path = os.path.abspath(arg)
client.core.add_torrent_file(os.path.split(path)[-1], base64.encodestring(open(path, "rb").read()), None)