153 lines
4.5 KiB
Python
153 lines
4.5 KiB
Python
#
|
|
# signalreceiver.py
|
|
#
|
|
# Copyright (C) 2007, 2008 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.
|
|
#
|
|
|
|
|
|
import sys
|
|
import socket
|
|
import random
|
|
|
|
import gobject
|
|
|
|
from deluge.ui.client import aclient as client
|
|
import deluge.SimpleXMLRPCServer as SimpleXMLRPCServer
|
|
from SocketServer import ThreadingMixIn
|
|
import deluge.xmlrpclib as xmlrpclib
|
|
import threading
|
|
import socket
|
|
|
|
from deluge.log import LOG as log
|
|
|
|
class SignalReceiver(ThreadingMixIn, SimpleXMLRPCServer.SimpleXMLRPCServer):
|
|
|
|
def __init__(self):
|
|
log.debug("SignalReceiver init..")
|
|
# Set to true so that the receiver thread will exit
|
|
|
|
self.signals = {}
|
|
self.emitted_signals = []
|
|
|
|
self.remote = False
|
|
|
|
self.start_server()
|
|
|
|
def start_server(self, port=None):
|
|
# Setup the xmlrpc server
|
|
host = "127.0.0.1"
|
|
if self.remote:
|
|
host = ""
|
|
|
|
server_ready = False
|
|
while not server_ready:
|
|
if port:
|
|
_port = port
|
|
else:
|
|
_port = random.randint(40000, 65535)
|
|
try:
|
|
SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(
|
|
self, (host, _port), logRequests=False, allow_none=True)
|
|
except socket.error, e:
|
|
log.debug("Trying again with another port: %s", e)
|
|
except:
|
|
log.error("Could not start SignalReceiver XMLRPC server: %s", e)
|
|
sys.exit(0)
|
|
else:
|
|
self.port = _port
|
|
server_ready = True
|
|
|
|
# Register the emit_signal function
|
|
self.register_function(self.emit_signal)
|
|
|
|
def shutdown(self):
|
|
"""Shutdowns receiver thread"""
|
|
log.debug("Shutting down signalreceiver")
|
|
self._shutdown = True
|
|
# De-register with the daemon so it doesn't try to send us more signals
|
|
try:
|
|
client.deregister_client()
|
|
client.force_call()
|
|
except Exception, e:
|
|
log.debug("Unable to deregister client from server: %s", e)
|
|
|
|
self.socket.shutdown(socket.SHUT_RDWR)
|
|
log.debug("Joining listening thread..")
|
|
self.listening_thread.join(1.0)
|
|
return
|
|
|
|
def set_remote(self, remote):
|
|
self.remote = remote
|
|
self.start_server(self.port)
|
|
|
|
def run(self):
|
|
"""This gets called when we start the thread"""
|
|
# Register the signal receiver with the core
|
|
self._shutdown = False
|
|
client.register_client(str(self.port))
|
|
|
|
self.listening_thread = threading.Thread(target=self.handle_thread)
|
|
|
|
gobject.timeout_add(50, self.handle_signals)
|
|
|
|
try:
|
|
self.listening_thread.start()
|
|
except Exception, e:
|
|
log.debug("Thread: %s", e)
|
|
|
|
def handle_thread(self):
|
|
try:
|
|
while not self._shutdown:
|
|
self.handle_request()
|
|
self._shutdown = False
|
|
except Exception, e:
|
|
log.debug("handle_thread: %s", e)
|
|
|
|
def get_port(self):
|
|
"""Get the port that the SignalReceiver is listening on"""
|
|
return self.port
|
|
|
|
def emit_signal(self, signal, *data):
|
|
"""Exported method used by the core to emit a signal to the client"""
|
|
self.emitted_signals.append((signal, data))
|
|
return
|
|
|
|
def handle_signals(self):
|
|
for signal, data in self.emitted_signals:
|
|
try:
|
|
for callback in self.signals[signal]:
|
|
gobject.idle_add(callback, *data)
|
|
|
|
except Exception, e:
|
|
log.warning("Unable to call callback for signal %s: %s", signal, e)
|
|
|
|
self.emitted_signals = []
|
|
return True
|
|
|
|
def connect_to_signal(self, signal, callback):
|
|
"""Connect to a signal"""
|
|
try:
|
|
if callback not in self.signals[signal]:
|
|
self.signals[signal].append(callback)
|
|
except KeyError:
|
|
self.signals[signal] = [callback]
|
|
|