def vod_event_callback(d, event, params):
if event == VODEVENT_START:
stream = params["stream"]
length = params["length"]
mimetype = params["mimetype"]
global FIRST_ITERATION, QUIT_NOW, SESSION
epoch_server = None
epoch_local = time.time()
bitrate = None
estduration = None
currentSize = 0
partialSize = length
start = int(config["start"])
end = int(config["end"])
if FIRST_ITERATION:
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: Seeking to second: ", config[
"start"
], "estimated duration: ", estduration
file = None
blocksize = d.get_def().get_piece_length()
if d.get_def().is_multifile_torrent():
file = d.get_selected_files()[0]
bitrate = d.get_def().get_bitrate(file)
if bitrate is not None:
estduration = float(length) / float(bitrate)
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: Seeking: bitrate: ", bitrate, "duration: ", estduration
if start < int(estduration):
seekbyte = float(bitrate * start)
# Works only with TS container
if mimetype == "video/mp2t":
# Ric if it is a ts stream we can round the start
# byte to the beginning of a ts packet (ts pkt = 188 bytes)
seekbyte = seekbyte - seekbyte % 188
stream.seek(int(seekbyte))
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: Seeking: seekbyte: ", seekbyte, "start time: ", config[
"start"
]
FIRST_ITERATION = False
else:
print >> sys.stderr, time.asctime(), "-", "main: Starting time exceeds video duration!!"
if end != "":
# Determine the final size of the stream depending on the end Time
endbyte = float(bitrate * int(config["end"]))
partialSize = endbyte - seekbyte
else:
print >> sys.stderr, time.asctime(), "-", "Seeking to the the beginning"
stream.seek(0)
basename = config["videoOut"] + ".mpeg"
if config["destdir"] == "default download dir":
config["destdir"] = get_default_dest_dir()
filename = os.path.join(config["destdir"], basename)
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: Saving the file in the following location: ", filename
f = open(filename, "wb")
prev_data = None
while not FIRST_ITERATION and (currentSize < partialSize):
data = stream.read()
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: VOD ready callback: reading", type(data)
print >> sys.stderr, time.asctime(), "-", "main: VOD ready callback: reading", len(data)
if len(data) == 0 or data == prev_data:
if config["debug"]:
print >> sys.stderr, time.asctime(), "-", "main: Same data replicated: we reached the end of the stream"
break
f.write(data)
currentSize += len(data)
prev_data = data
# Stop the download
if not config["continueDownload"]:
# SESSION.remove_
d.stop()
# seek(0)
if config["quitAfter"]:
QUIT_NOW = True
f.close()
stream.close()
print >> sys.stderr, time.asctime(), "-", "main: Seeking: END!!"
if config["createNewTorr"]:
createTorr(filename)
def __init__(self, scfg=None, ignore_singleton=False):
"""
A Session object is created which is configured following a copy of the
SessionStartupConfig scfg. (copy constructor used internally)
@param scfg SessionStartupConfig object or None, in which case we
look for a saved session in the default location (state dir). If
we can't find it, we create a new SessionStartupConfig() object to
serve as startup config. Next, the config is saved in the directory
indicated by its 'state_dir' attribute.
In the current implementation only a single session instance can exist
at a time in a process. The ignore_singleton flag is used for testing.
"""
if not ignore_singleton:
if Session.__single:
raise RuntimeError, "Session is singleton"
Session.__single = self
self.sesslock = RLock()
# Determine startup config to use
if scfg is None: # If no override
try:
# Then try to read from default location
state_dir = Session.get_default_state_dir()
cfgfilename = Session.get_default_config_filename(state_dir)
scfg = SessionStartupConfig.load(cfgfilename)
except:
# If that fails, create a fresh config with factory defaults
print_exc()
scfg = SessionStartupConfig()
self.sessconfig = scfg.sessconfig
else: # overrides any saved config
# Work from copy
self.sessconfig = copy.copy(scfg.sessconfig)
#SmoothIT_
self._is_supporter_seed = False
self._supporter_ips = []
#_SmoothIT
# Create dir for session state, if not exist
state_dir = self.sessconfig['state_dir']
if state_dir is None:
state_dir = Session.get_default_state_dir()
self.sessconfig['state_dir'] = state_dir
if not os.path.isdir(state_dir):
os.makedirs(state_dir)
collected_torrent_dir = self.sessconfig['torrent_collecting_dir']
if not collected_torrent_dir:
collected_torrent_dir = os.path.join(self.sessconfig['state_dir'],
STATEDIR_TORRENTCOLL_DIR)
self.sessconfig['torrent_collecting_dir'] = collected_torrent_dir
if not os.path.exists(collected_torrent_dir):
os.makedirs(collected_torrent_dir)
if not self.sessconfig['peer_icon_path']:
self.sessconfig['peer_icon_path'] = os.path.join(
self.sessconfig['state_dir'], STATEDIR_PEERICON_DIR)
# PERHAPS: load default TorrentDef and DownloadStartupConfig from state dir
# Let user handle that, he's got default_state_dir, etc.
# Core init
#print >>sys.stderr,'Session: __init__ config is', self.sessconfig
if GOTM2CRYPTO:
permidmod.init()
#
# Set params that depend on state_dir
#
# 1. keypair
#
pairfilename = os.path.join(self.sessconfig['state_dir'], 'ec.pem')
if self.sessconfig['eckeypairfilename'] is None:
self.sessconfig['eckeypairfilename'] = pairfilename
if os.access(self.sessconfig['eckeypairfilename'], os.F_OK):
# May throw exceptions
self.keypair = permidmod.read_keypair(
self.sessconfig['eckeypairfilename'])
else:
self.keypair = permidmod.generate_keypair()
# Save keypair
pubfilename = os.path.join(self.sessconfig['state_dir'],
'ecpub.pem')
permidmod.save_keypair(self.keypair, pairfilename)
permidmod.save_pub_key(self.keypair, pubfilename)
# 2. Downloads persistent state dir
dlpstatedir = os.path.join(self.sessconfig['state_dir'],
STATEDIR_DLPSTATE_DIR)
if not os.path.isdir(dlpstatedir):
os.mkdir(dlpstatedir)
# 3. tracker
trackerdir = self.get_internal_tracker_dir()
if not os.path.isdir(trackerdir):
os.mkdir(trackerdir)
if self.sessconfig['tracker_dfile'] is None:
self.sessconfig['tracker_dfile'] = os.path.join(
trackerdir, 'tracker.db')
if self.sessconfig['tracker_allowed_dir'] is None:
self.sessconfig['tracker_allowed_dir'] = trackerdir
if self.sessconfig['tracker_logfile'] is None:
if sys.platform == "win32":
# Not "Nul:" but "nul" is /dev/null on Win32
sink = 'nul'
else:
sink = '/dev/null'
self.sessconfig['tracker_logfile'] = sink
# 4. superpeer.txt and crawler.txt
if self.sessconfig['superpeer_file'] is None:
self.sessconfig['superpeer_file'] = os.path.join(
self.sessconfig['install_dir'], LIBRARYNAME, 'Core',
'superpeer.txt')
if 'crawler_file' not in self.sessconfig or self.sessconfig[
'crawler_file'] is None:
self.sessconfig['crawler_file'] = os.path.join(
self.sessconfig['install_dir'], LIBRARYNAME, 'Core',
'Statistics', 'crawler.txt')
# 5. download_help_dir
if self.sessconfig['overlay'] and self.sessconfig['download_help']:
if self.sessconfig['download_help_dir'] is None:
self.sessconfig['download_help_dir'] = os.path.join(
get_default_dest_dir(), DESTDIR_COOPDOWNLOAD)
# Jelle: under linux, default_dest_dir can be /tmp. Then download_help_dir can be deleted inbetween
# sessions.
if not os.path.isdir(self.sessconfig['download_help_dir']):
os.makedirs(self.sessconfig['download_help_dir'])
# 6. peer_icon_path
if self.sessconfig['peer_icon_path'] is None:
self.sessconfig['peer_icon_path'] = os.path.join(
self.sessconfig['state_dir'], STATEDIR_PEERICON_DIR)
if not os.path.isdir(self.sessconfig['peer_icon_path']):
os.mkdir(self.sessconfig['peer_icon_path'])
# 7. Poor man's versioning of SessionConfig, add missing
# default values. Really should use PERSISTENTSTATE_CURRENTVERSION
# and do conversions.
for key, defvalue in sessdefaults.iteritems():
if key not in self.sessconfig:
self.sessconfig[key] = defvalue
if not 'live_aux_seeders' in self.sessconfig:
# Poor man's versioning, really should update PERSISTENTSTATE_CURRENTVERSION
self.sessconfig['live_aux_seeders'] = sessdefaults[
'live_aux_seeders']
if not 'nat_detect' in self.sessconfig:
self.sessconfig['nat_detect'] = sessdefaults['nat_detect']
if not 'puncturing_internal_port' in self.sessconfig:
self.sessconfig['puncturing_internal_port'] = sessdefaults[
'puncturing_internal_port']
if not 'stun_servers' in self.sessconfig:
self.sessconfig['stun_servers'] = sessdefaults['stun_servers']
if not 'pingback_servers' in self.sessconfig:
self.sessconfig['pingback_servers'] = sessdefaults[
'pingback_servers']
if not 'mainline_dht' in self.sessconfig:
self.sessconfig['mainline_dht'] = sessdefaults['mainline_dht']
# Checkpoint startup config
self.save_pstate_sessconfig()
# Create handler for calling back the user via separate threads
self.uch = UserCallbackHandler(self)
# Create engine with network thread
self.lm = TriblerLaunchMany()
self.lm.register(self, self.sesslock)
self.lm.start()
def __init__(self,scfg=None,ignore_singleton=False):
"""
A Session object is created which is configured following a copy of the
SessionStartupConfig scfg. (copy constructor used internally)
@param scfg SessionStartupConfig object or None, in which case we
look for a saved session in the default location (state dir). If
we can't find it, we create a new SessionStartupConfig() object to
serve as startup config. Next, the config is saved in the directory
indicated by its 'state_dir' attribute.
In the current implementation only a single session instance can exist
at a time in a process. The ignore_singleton flag is used for testing.
"""
if not ignore_singleton:
if Session.__single:
raise RuntimeError, "Session is singleton"
Session.__single = self
self.sesslock = RLock()
# Determine startup config to use
if scfg is None: # If no override
try:
# Then try to read from default location
state_dir = Session.get_default_state_dir()
cfgfilename = Session.get_default_config_filename(state_dir)
scfg = SessionStartupConfig.load(cfgfilename)
except:
# If that fails, create a fresh config with factory defaults
print_exc()
scfg = SessionStartupConfig()
self.sessconfig = scfg.sessconfig
else: # overrides any saved config
# Work from copy
self.sessconfig = copy.copy(scfg.sessconfig)
# Create dir for session state, if not exist
state_dir = self.sessconfig['state_dir']
if state_dir is None:
state_dir = Session.get_default_state_dir()
self.sessconfig['state_dir'] = state_dir
if not os.path.isdir(state_dir):
os.makedirs(state_dir)
collected_torrent_dir = self.sessconfig['torrent_collecting_dir']
if not collected_torrent_dir:
collected_torrent_dir = os.path.join(self.sessconfig['state_dir'], STATEDIR_TORRENTCOLL_DIR)
self.sessconfig['torrent_collecting_dir'] = collected_torrent_dir
collected_subtitles_dir = self.sessconfig.get('subtitles_collecting_dir',None)
if not collected_subtitles_dir:
collected_subtitles_dir = os.path.join(self.sessconfig['state_dir'], STATEDIR_SUBSCOLL_DIR)
self.sessconfig['subtitles_collecting_dir'] = collected_subtitles_dir
if not os.path.exists(collected_torrent_dir):
os.makedirs(collected_torrent_dir)
if not self.sessconfig['peer_icon_path']:
self.sessconfig['peer_icon_path'] = os.path.join(self.sessconfig['state_dir'], STATEDIR_PEERICON_DIR)
# PERHAPS: load default TorrentDef and DownloadStartupConfig from state dir
# Let user handle that, he's got default_state_dir, etc.
# Core init
#print >>sys.stderr,time.asctime(),'-', 'Session: __init__ config is', self.sessconfig
if GOTM2CRYPTO:
permidmod.init()
#
# Set params that depend on state_dir
#
# 1. keypair
#
pairfilename = os.path.join(self.sessconfig['state_dir'],'ec.pem')
if self.sessconfig['eckeypairfilename'] is None:
self.sessconfig['eckeypairfilename'] = pairfilename
if os.access(self.sessconfig['eckeypairfilename'],os.F_OK):
# May throw exceptions
self.keypair = permidmod.read_keypair(self.sessconfig['eckeypairfilename'])
else:
self.keypair = permidmod.generate_keypair()
# Save keypair
pubfilename = os.path.join(self.sessconfig['state_dir'],'ecpub.pem')
permidmod.save_keypair(self.keypair,pairfilename)
permidmod.save_pub_key(self.keypair,pubfilename)
# 2. Downloads persistent state dir
dlpstatedir = os.path.join(self.sessconfig['state_dir'],STATEDIR_DLPSTATE_DIR)
if not os.path.isdir(dlpstatedir):
os.mkdir(dlpstatedir)
# 3. tracker
trackerdir = self.get_internal_tracker_dir()
if not os.path.isdir(trackerdir):
os.mkdir(trackerdir)
if self.sessconfig['tracker_dfile'] is None:
self.sessconfig['tracker_dfile'] = os.path.join(trackerdir,'tracker.db')
if self.sessconfig['tracker_allowed_dir'] is None:
self.sessconfig['tracker_allowed_dir'] = trackerdir
if self.sessconfig['tracker_logfile'] is None:
if sys.platform == "win32":
# Not "Nul:" but "nul" is /dev/null on Win32
sink = 'nul'
else:
sink = '/dev/null'
self.sessconfig['tracker_logfile'] = sink
# 4. superpeer.txt and crawler.txt
if self.sessconfig['superpeer_file'] is None:
self.sessconfig['superpeer_file'] = os.path.join(self.sessconfig['install_dir'],LIBRARYNAME,'Core','superpeer.txt')
if 'crawler_file' not in self.sessconfig or self.sessconfig['crawler_file'] is None:
self.sessconfig['crawler_file'] = os.path.join(self.sessconfig['install_dir'], LIBRARYNAME,'Core','Statistics','crawler.txt')
# 5. download_help_dir
if self.sessconfig['overlay'] and self.sessconfig['download_help']:
if self.sessconfig['download_help_dir'] is None:
self.sessconfig['download_help_dir'] = os.path.join(get_default_dest_dir(),DESTDIR_COOPDOWNLOAD)
# Jelle: under linux, default_dest_dir can be /tmp. Then download_help_dir can be deleted inbetween
# sessions.
if not os.path.isdir(self.sessconfig['download_help_dir']):
os.makedirs(self.sessconfig['download_help_dir'])
# 6. peer_icon_path
if self.sessconfig['peer_icon_path'] is None:
self.sessconfig['peer_icon_path'] = os.path.join(self.sessconfig['state_dir'],STATEDIR_PEERICON_DIR)
if not os.path.isdir(self.sessconfig['peer_icon_path']):
os.mkdir(self.sessconfig['peer_icon_path'])
# 7. Poor man's versioning of SessionConfig, add missing
# default values. Really should use PERSISTENTSTATE_CURRENTVERSION
# and do conversions.
for key,defvalue in sessdefaults.iteritems():
if key not in self.sessconfig:
self.sessconfig[key] = defvalue
if not 'live_aux_seeders' in self.sessconfig:
# Poor man's versioning, really should update PERSISTENTSTATE_CURRENTVERSION
self.sessconfig['live_aux_seeders'] = sessdefaults['live_aux_seeders']
if not 'nat_detect' in self.sessconfig:
self.sessconfig['nat_detect'] = sessdefaults['nat_detect']
if not 'puncturing_internal_port' in self.sessconfig:
self.sessconfig['puncturing_internal_port'] = sessdefaults['puncturing_internal_port']
if not 'stun_servers' in self.sessconfig:
self.sessconfig['stun_servers'] = sessdefaults['stun_servers']
if not 'pingback_servers' in self.sessconfig:
self.sessconfig['pingback_servers'] = sessdefaults['pingback_servers']
if not 'mainline_dht' in self.sessconfig:
self.sessconfig['mainline_dht'] = sessdefaults['mainline_dht']
# Checkpoint startup config
self.save_pstate_sessconfig()
# Create handler for calling back the user via separate threads
self.uch = UserCallbackHandler(self)
# Create engine with network thread
self.lm = TriblerLaunchMany()
self.lm.register(self,self.sesslock)
self.lm.start()
def vod_event_callback(d, event, params):
if event == VODEVENT_START:
stream = params["stream"]
length = params["length"]
mimetype = params["mimetype"]
global FIRST_ITERATION, QUIT_NOW, SESSION
epoch_server = None
epoch_local = time.time()
bitrate = None
estduration = None
currentSize = 0
partialSize = length
start = int(config['start'])
end = int(config['end'])
if FIRST_ITERATION:
if config['debug']:
print >> sys.stderr, "main: Seeking to second: ", config[
'start'], "estimated duration: ", estduration
file = None
blocksize = d.get_def().get_piece_length()
if d.get_def().is_multifile_torrent():
file = d.get_selected_files()[0]
bitrate = d.get_def().get_bitrate(file)
if bitrate is not None:
estduration = float(length) / float(bitrate)
if config['debug']:
print >> sys.stderr, "main: Seeking: bitrate: ", bitrate, "duration: ", estduration
if start < int(estduration):
seekbyte = float(bitrate * start)
# Works only with TS container
if mimetype == 'video/mp2t':
# Ric if it is a ts stream we can round the start
# byte to the beginning of a ts packet (ts pkt = 188 bytes)
seekbyte = seekbyte - seekbyte % 188
stream.seek(int(seekbyte))
if config['debug']:
print >> sys.stderr, "main: Seeking: seekbyte: ", seekbyte, "start time: ", config[
'start']
FIRST_ITERATION = False
else:
print >> sys.stderr, "main: Starting time exceeds video duration!!"
if end != '':
# Determine the final size of the stream depending on the end Time
endbyte = float(bitrate * int(config['end']))
partialSize = endbyte - seekbyte
else:
print >> sys.stderr, "Seeking to the the beginning"
stream.seek(0)
basename = config['videoOut'] + '.mpeg'
if config['destdir'] == 'default download dir':
config['destdir'] = get_default_dest_dir()
filename = os.path.join(config['destdir'], basename)
if config['debug']:
print >> sys.stderr, "main: Saving the file in the following location: ", filename
f = open(filename, "wb")
prev_data = None
while not FIRST_ITERATION and (currentSize < partialSize):
data = stream.read()
if config['debug']:
print >> sys.stderr, "main: VOD ready callback: reading", type(
data)
print >> sys.stderr, "main: VOD ready callback: reading", len(
data)
if len(data) == 0 or data == prev_data:
if config['debug']:
print >> sys.stderr, "main: Same data replicated: we reached the end of the stream"
break
f.write(data)
currentSize += len(data)
prev_data = data
# Stop the download
if not config['continueDownload']:
#SESSION.remove_
d.stop()
#seek(0)
if config['quitAfter']:
QUIT_NOW = True
f.close()
stream.close()
print >> sys.stderr, "main: Seeking: END!!"
if config['createNewTorr']:
createTorr(filename)
