deluge/deluge/core/core.py
2007-10-12 23:37:42 +00:00

469 lines
17 KiB
Python

#
# core.py
#
# Copyright (C) 2007 Andrew Resch ('andar') <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 2 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 gettext
import locale
import pkg_resources
import sys
import pickle
import SimpleXMLRPCServer
from SocketServer import ThreadingMixIn
import xmlrpclib
import gobject
import threading
import deluge.libtorrent as lt
from deluge.configmanager import ConfigManager
import deluge.common
from deluge.core.torrentmanager import TorrentManager
from deluge.core.pluginmanager import PluginManager
from deluge.core.alertmanager import AlertManager
from deluge.log import LOG as log
DEFAULT_PREFS = {
"compact_allocation": True,
"download_location": deluge.common.get_default_download_dir(),
"listen_ports": [6881, 6891],
"torrentfiles_location": deluge.common.get_default_torrent_dir(),
"plugins_location": deluge.common.get_default_plugin_dir(),
"prioritize_first_last_pieces": False,
"random_port": False,
"dht": False,
"upnp": False,
"natpmp": False,
"utpex": False,
"enc_in_policy": 1,
"enc_out_policy": 1,
"enc_level": 2,
"enc_prefer_rc4": True,
"max_connections_global": -1,
"max_upload_speed": -1.0,
"max_download_speed": -1.0,
"max_upload_slots_global": -1,
"max_connections_per_torrent": -1,
"max_upload_slots_per_torrent": -1,
"enabled_plugins": ["Queue"]
}
class Core(threading.Thread, ThreadingMixIn, SimpleXMLRPCServer.SimpleXMLRPCServer):
def __init__(self):
log.debug("Core init..")
threading.Thread.__init__(self)
# Setup the xmlrpc server
try:
SimpleXMLRPCServer.SimpleXMLRPCServer.__init__(
self, ("localhost", 6666), logRequests=False, allow_none=True)
except:
log.info("Daemon already running or port not available..")
sys.exit(0)
# Register all export_* functions
for func in dir(self):
if func.startswith("export_"):
self.register_function(getattr(self, "%s" % func), func[7:])
self.register_introspection_functions()
# Initialize gettext
locale.setlocale(locale.LC_MESSAGES, '')
locale.bindtextdomain("deluge",
pkg_resources.resource_filename(
"deluge", "i18n"))
locale.textdomain("deluge")
gettext.bindtextdomain("deluge",
pkg_resources.resource_filename(
"deluge", "i18n"))
gettext.textdomain("deluge")
gettext.install("deluge",
pkg_resources.resource_filename(
"deluge", "i18n"))
def run(self):
"""Starts the core"""
# Get config
self.config = ConfigManager("core.conf", DEFAULT_PREFS)
# Create the client fingerprint
version = []
for value in deluge.common.get_version().split("."):
version.append(int(value))
fingerprint = lt.fingerprint("DE", *version)
# Start the libtorrent session
log.debug("Starting libtorrent session..")
self.session = lt.session(fingerprint)
# Set the user agent
self.settings = lt.session_settings()
self.settings.user_agent = "Deluge %s" % deluge.common.get_version()
self.session.set_settings(self.settings)
# Load metadata extension
self.session.add_extension(lt.create_metadata_plugin)
# Register set functions in the Config
self.config.register_set_function("listen_ports",
self._on_set_listen_ports)
self.config.register_set_function("random_port",
self._on_set_random_port)
self.config.register_set_function("dht", self._on_set_dht)
self.config.register_set_function("upnp", self._on_set_upnp)
self.config.register_set_function("natpmp", self._on_set_natpmp)
self.config.register_set_function("utpex", self._on_set_utpex)
self.config.register_set_function("enc_in_policy",
self._on_set_encryption)
self.config.register_set_function("enc_out_policy",
self._on_set_encryption)
self.config.register_set_function("enc_level",
self._on_set_encryption)
self.config.register_set_function("enc_prefer_rc4",
self._on_set_encryption)
self.config.register_set_function("max_connections_global",
self._on_set_max_connections_global)
self.config.register_set_function("max_upload_speed",
self._on_set_max_upload_speed)
self.config.register_set_function("max_download_speed",
self._on_set_max_download_speed)
self.config.register_set_function("max_upload_slots_global",
self._on_set_max_upload_slots_global)
# Start the AlertManager
self.alerts = AlertManager(self.session)
# Start the TorrentManager
self.torrents = TorrentManager(self.session, self.alerts)
# Load plugins
self.plugins = PluginManager()
# Register alert handlers
self.alerts.register_handler("torrent_paused_alert",
self._on_alert_torrent_paused)
t = threading.Thread(target=self.serve_forever)
t.start()
gobject.threads_init()
self.loop = gobject.MainLoop()
self.loop.run()
def _shutdown(self):
"""This is called by a thread from shutdown()"""
log.info("Shutting down core..")
self.plugins.shutdown()
self.torrents.shutdown()
# Make sure the config file has been saved
self.config.save()
del self.config
del deluge.configmanager
del self.session
self.loop.quit()
# Exported Methods
def export_shutdown(self):
"""Shutdown the core"""
# Make shutdown an async call
gobject.idle_add(self._shutdown)
def export_add_torrent_file(self, filename, save_path, filedump):
"""Adds a torrent file to the libtorrent session
This requires the torrents filename and a dump of it's content
"""
if save_path == "":
save_path = None
torrent_id = self.torrents.add(filename, filedump=filedump.data,
save_path=save_path)
# Run the plugin hooks for 'post_torrent_add'
self.plugins.run_post_torrent_add(torrent_id)
if torrent_id is not None:
# Emit the torrent_added signal
self.torrent_added(torrent_id)
return True
else:
# Return False because the torrent was not added successfully
return False
def export_add_torrent_url(self, url, save_path):
log.info("Attempting to add url %s", url)
# Get the actual filename of the torrent from the url provided.
filename = url.split("/")[-1]
# Get the .torrent file from the url
torrent_file = deluge.common.fetch_url(url)
if torrent_file is None:
return False
# Dump the torrents file contents to a string
try:
filedump = open(torrent_file, "rb").read()
except IOError:
log.warning("Unable to open %s for reading.", torrent_file)
return False
# Add the torrent to session
return self.export_add_torrent_file(filename, save_path, filedump)
def export_remove_torrent(self, torrent_id):
log.debug("Removing torrent %s from the core.", torrent_id)
if self.torrents.remove(torrent_id):
# Run the plugin hooks for 'post_torrent_remove'
self.plugins.run_post_torrent_remove(torrent_id)
# Emit the torrent_removed signal
self.torrent_removed(torrent_id)
def export_force_reannounce(self, torrent_id):
log.debug("Forcing reannouncment to trackers of torrent %s", torrent_id)
self.torrents.force_reannounce(torrent_id)
def export_pause_torrent(self, torrent_id):
log.debug("Pausing torrent %s", torrent_id)
if not self.torrents.pause(torrent_id):
log.warning("Error pausing torrent %s", torrent_id)
def export_pause_all_torrents(self):
"""Pause all torrents in the session"""
if not self.torrents.pause_all():
log.warning("Error pausing all torrents..")
def export_resume_all_torrents(self):
"""Resume all torrents in the session"""
if self.torrents.resume_all():
# Emit the 'torrent_all_resumed' signal
self.torrent_all_resumed()
def export_resume_torrent(self, torrent_id):
log.debug("Resuming torrent %s", torrent_id)
if self.torrents.resume(torrent_id):
self.torrent_resumed(torrent_id)
def export_get_torrent_status(self, torrent_id, keys):
# Convert the array of strings to a python list of strings
keys = deluge.common.pythonize(keys)
# Build the status dictionary
try:
status = self.torrents[torrent_id].get_status(keys)
except KeyError:
# The torrent_id is not found in the torrentmanager, so return None
return None
# Get the leftover fields and ask the plugin manager to fill them
leftover_fields = list(set(keys) - set(status.keys()))
if len(leftover_fields) > 0:
status.update(self.plugins.get_status(torrent_id, leftover_fields))
return xmlrpclib.Binary(pickle.dumps(status))
def export_get_session_state(self):
"""Returns a list of torrent_ids in the session."""
# Get the torrent list from the TorrentManager
return self.torrents.get_torrent_list()
def export_save_state(self):
"""Save the current session state to file."""
# Have the TorrentManager save it's state
self.torrents.save_state()
def export_get_config(self):
"""Get all the preferences as a dictionary"""
return self.config.get_config()
def export_get_config_value(self, key):
"""Get the config value for key"""
try:
value = self.config[key]
except KeyError:
return None
return value
def export_set_config(self, config):
"""Set the config with values from dictionary"""
config = deluge.common.pythonize(config)
# Load all the values into the configuration
for key in config.keys():
self.config[key] = config[key]
def export_get_listen_port(self):
"""Returns the active listen port"""
return self.session.listen_port()
def export_get_num_connections(self):
"""Returns the current number of connections"""
return self.session.num_connections()
def export_get_download_rate(self):
"""Returns the payload download rate"""
return self.session.status().payload_download_rate
def export_get_upload_rate(self):
"""Returns the payload upload rate"""
return self.session.status().payload_upload_rate
def export_get_available_plugins(self):
"""Returns a list of plugins available in the core"""
return self.plugins.get_available_plugins()
def export_get_enabled_plugins(self):
"""Returns a list of enabled plugins in the core"""
return self.plugins.get_enabled_plugins()
def export_enable_plugin(self, plugin):
self.plugins.enable_plugin(plugin)
def export_disable_plugin(self, plugin):
self.plugins.disable_plugin(plugin)
# Signals
def torrent_added(self, torrent_id):
"""Emitted when a new torrent is added to the core"""
log.debug("torrent_added signal emitted")
def torrent_removed(self, torrent_id):
"""Emitted when a torrent has been removed from the core"""
log.debug("torrent_remove signal emitted")
def torrent_paused(self, torrent_id):
"""Emitted when a torrent is paused"""
log.debug("torrent_paused signal emitted")
def torrent_resumed(self, torrent_id):
"""Emitted when a torrent is resumed"""
log.debug("torrent_resumed signal emitted")
def torrent_all_paused(self):
"""Emitted when all torrents have been paused"""
log.debug("torrent_all_paused signal emitted")
def torrent_all_resumed(self):
"""Emitted when all torrents have been resumed"""
log.debug("torrent_all_resumed signal emitted")
# Config set functions
def _on_set_listen_ports(self, key, value):
# Only set the listen ports if random_port is not true
if self.config["random_port"] is not True:
log.debug("listen port range set to %s-%s", value[0], value[1])
self.session.listen_on(value[0], value[1])
def _on_set_random_port(self, key, value):
log.debug("random port value set to %s", value)
# We need to check if the value has been changed to true and false
# and then handle accordingly.
if value:
import random
listen_ports = []
randrange = lambda: random.randrange(49152, 65525)
listen_ports.append(randrange())
listen_ports.append(listen_ports[0]+10)
else:
listen_ports = self.config["listen_ports"]
# Set the listen ports
log.debug("listen port range set to %s-%s", listen_ports[0],
listen_ports[1])
self.session.listen_on(listen_ports[0], listen_ports[1])
def _on_set_dht(self, key, value):
log.debug("dht value set to %s", value)
if value:
self.session.start_dht(None)
else:
self.session.stop_dht()
def _on_set_upnp(self, key, value):
log.debug("upnp value set to %s", value)
if value:
self.session.start_upnp()
else:
self.session.stop_upnp()
def _on_set_natpmp(self, key, value):
log.debug("natpmp value set to %s", value)
if value:
self.session.start_natpmp()
else:
self.session.stop_natpmp()
def _on_set_utpex(self, key, value):
log.debug("utpex value set to %s", value)
if value:
self.session.add_extension(lt.create_ut_pex_plugin)
def _on_set_encryption(self, key, value):
log.debug("encryption value %s set to %s..", key, value)
pe_settings = lt.pe_settings()
pe_settings.out_enc_policy = \
lt.enc_policy(self.config["enc_out_policy"])
pe_settings.in_enc_policy = lt.enc_policy(self.config["enc_in_policy"])
pe_settings.allowed_enc_level = lt.enc_level(self.config["enc_level"])
pe_settings.prefer_rc4 = self.config["enc_prefer_rc4"]
self.session.set_pe_settings(pe_settings)
set = self.session.get_pe_settings()
log.debug("encryption settings:\n\t\t\tout_policy: %s\n\t\t\
in_policy: %s\n\t\t\tlevel: %s\n\t\t\tprefer_rc4: %s",
set.out_enc_policy,
set.in_enc_policy,
set.allowed_enc_level,
set.prefer_rc4)
def _on_set_max_connections_global(self, key, value):
log.debug("max_connections_global set to %s..", value)
self.session.set_max_connections(value)
def _on_set_max_upload_speed(self, key, value):
log.debug("max_upload_speed set to %s..", value)
# We need to convert Kb/s to B/s
self.session.set_upload_rate_limit(int(value * 1024))
def _on_set_max_download_speed(self, key, value):
log.debug("max_download_speed set to %s..", value)
# We need to convert Kb/s to B/s
self.session.set_download_rate_limit(int(value * 1024))
def _on_set_max_upload_slots_global(self, key, value):
log.debug("max_upload_slots_global set to %s..", value)
self.session.set_max_uploads(value)
## Alert handlers ##
def _on_alert_torrent_paused(self, alert):
log.debug("on_alert_torrent_paused")
# Get the torrent_id
torrent_id = str(alert.handle.info_hash())
# Emit torrent_paused signal
self.torrent_paused(torrent_id)