def run(self):
self.notification_center.post_notification('SIPEngineWillStart', sender=self)
init_options = Engine.default_start_options.copy()
init_options.update(self._options)
try:
self._ua = PJSIPUA(self._handle_event, **init_options)
except Exception:
log.exception('Exception occurred while starting the Engine')
exc_type, exc_val, exc_tb = sys.exc_info()
exc_tb = "".join(traceback.format_exception(exc_type, exc_val, exc_tb))
self.notification_center.post_notification('SIPEngineGotException', sender=self, data=NotificationData(type=exc_type, value=exc_val, traceback=exc_tb))
self.notification_center.post_notification('SIPEngineDidFail', sender=self)
return
else:
self.notification_center.post_notification('SIPEngineDidStart', sender=self)
failed = False
while not self._thread_stopping:
try:
failed = self._ua.poll()
except:
log.exception('Exception occurred while running the Engine')
exc_type, exc_val, exc_tb = sys.exc_info()
self.notification_center.post_notification('SIPEngineGotException', sender=self, data=NotificationData(type=exc_type, value=exc_val, traceback="".join(traceback.format_exception(exc_type, exc_val, exc_tb))))
failed = True
if failed:
self.notification_center.post_notification('SIPEngineDidFail', sender=self)
break
if not failed:
self.notification_center.post_notification('SIPEngineWillEnd', sender=self)
self._ua.dealloc()
del self._ua
self.notification_center.post_notification('SIPEngineDidEnd', sender=self)
def _EH_CallFunctionEvent(self, event):
try:
event.function(*event.args, **event.kw)
except:
log.exception(
'Exception occurred while calling function %s in the GUI thread'
% event.function.__name__)
def run(self):
"""Run the event queue processing loop in its own thread"""
while not self._exit.isSet():
self._active.wait()
event = self.queue.get()
if event is StopProcessing:
break
elif event is ProcessEvents:
if self._waiting:
preserved = []
try:
unhandled = self.handle(self._waiting)
if not isinstance(unhandled, (list, type(None))):
raise ValueError('%s handler must return a list of unhandled events or None' % self.__class__.__name__)
if unhandled is not None:
preserved = unhandled # preserve the unhandled events that the handler returned
except Exception:
log.exception('Unhandled exception during event handling')
self._waiting = preserved
elif event is DiscardEvents:
self._waiting = []
else:
if getattr(event, 'high_priority', False):
try:
self.handle([event])
except Exception:
log.exception('Unhandled exception during high priority event handling')
finally:
del event # do not reference this event until the next event arrives, in order to allow it to be released
else:
self._waiting.append(event)
def start(self):
interface = WebServerConfig.local_ip
port = WebServerConfig.local_port
cert_path = WebServerConfig.certificate.normalized if WebServerConfig.certificate else None
cert_chain_path = WebServerConfig.certificate_chain.normalized if WebServerConfig.certificate_chain else None
if cert_path is not None:
if not os.path.isfile(cert_path):
log.error('Certificate file %s could not be found' % cert_path)
return
try:
ssl_ctx_factory = DefaultOpenSSLContextFactory(cert_path, cert_path)
except Exception:
log.exception('Creating TLS context')
log.err()
return
if cert_chain_path is not None:
if not os.path.isfile(cert_chain_path):
log.error('Certificate chain file %s could not be found' % cert_chain_path)
return
ssl_ctx = ssl_ctx_factory.getContext()
try:
ssl_ctx.use_certificate_chain_file(cert_chain_path)
except Exception:
log.exception('Setting TLS certificate chain file')
log.err()
return
self.listener = reactor.listenSSL(port, self.site, ssl_ctx_factory, backlog=511, interface=interface)
scheme = 'https'
else:
self.listener = reactor.listenTCP(port, self.site, backlog=511, interface=interface)
scheme = 'http'
port = self.listener.getHost().port
self.__dict__['url'] = '%s://%s:%d' % (scheme, WebServerConfig.hostname or interface.normalized, port)
log.msg('Web server listening for requests on: %s' % self.url)
def add(self, app_class):
try:
app = app_class()
except Exception as e:
log.exception(
'Failed to initialize {app.__appname__!r} application: {exception!s}'
.format(app=app_class, exception=e))
else:
self.application_map[app.__appname__] = app
def update_statistics(self, session, stats):
session.logger.info('statistics: {}'.format(stats))
if stats['start_time'] is not None:
for accounting in self.accounting:
try:
accounting.do_accounting(stats)
except Exception, e:
log.exception(
'An unhandled error occurred while doing accounting: %s'
% e)
def _CH_process_results(self, command):
for file in (f for f in command.files if not f.closed):
try:
_bonjour.DNSServiceProcessResult(file.file)
except:
# Should we close the file? The documentation doesn't say anything about this. -Luci
log.exception()
for file in command.files:
file.active = False
self._files = [f for f in self._files if not f.closed]
self._select_proc.kill(RestartSelect)
def lookup(self, key):
network = self.networks.get("sip_proxy", None)
if network is None:
return None
try:
node = network.lookup_node(key)
except LookupError:
node = None
except Exception:
log.exception()
node = None
return node
def run(self):
"""Run the event queue processing loop in its own thread"""
while not self._exit.isSet():
self._active.wait()
event = self.queue.get()
if event is StopProcessing:
break
try:
self.handle(event)
except Exception:
log.exception('Unhandled exception during event handling')
finally:
del event # do not reference this event until the next event arrives, in order to allow it to be released
def run(self):
self.notification_center.post_notification('SIPEngineWillStart',
sender=self)
init_options = Engine.default_start_options.copy()
init_options.update(self._options)
try:
self._ua = PJSIPUA(self._handle_event, **init_options)
except Exception:
log.exception('Exception occurred while starting the Engine')
exc_type, exc_val, exc_tb = sys.exc_info()
exc_tb = "".join(
traceback.format_exception(exc_type, exc_val, exc_tb))
self.notification_center.post_notification('SIPEngineGotException',
sender=self,
data=NotificationData(
type=exc_type,
value=exc_val,
traceback=exc_tb))
self.notification_center.post_notification('SIPEngineDidFail',
sender=self)
return
else:
self.notification_center.post_notification('SIPEngineDidStart',
sender=self)
failed = False
while not self._thread_stopping:
try:
failed = self._ua.poll()
except:
log.exception('Exception occurred while running the Engine')
exc_type, exc_val, exc_tb = sys.exc_info()
self.notification_center.post_notification(
'SIPEngineGotException',
sender=self,
data=NotificationData(type=exc_type,
value=exc_val,
traceback="".join(
traceback.format_exception(
exc_type, exc_val, exc_tb))))
failed = True
if failed:
self.notification_center.post_notification('SIPEngineDidFail',
sender=self)
break
if not failed:
self.notification_center.post_notification('SIPEngineWillEnd',
sender=self)
self._ua.dealloc()
del self._ua
self.notification_center.post_notification('SIPEngineDidEnd',
sender=self)
def write_response(self, chunk, code, comment, wait=True):
"""Generate and write the response, lose the connection in case of error"""
try:
response = make_response(chunk, code, comment)
except ChunkParseError as ex:
log.error('Failed to generate a response: %s' % ex)
self.loseConnection(wait=False)
raise
except Exception:
log.exception('Failed to generate a response')
self.loseConnection(wait=False)
raise
else:
if response is not None:
self.write_chunk(response, wait=wait)
def _worker(self):
thread = current_thread()
while True:
task = self._queue.get()
if task is self.StopWorker:
break
try:
task.function(*task.args, **task.kw)
except:
log.exception('Exception occurred while calling %r in the %r thread' % (task.function, thread.name))
finally:
with self._lock:
self.__dict__['jobs'] -= 1
del task
self._threads.remove(thread)
def lineReceived(self, line):
if line == 'pong':
self._queued_keepalives -= 1
return
if self.command is None:
try:
command, seq = line.split()
except ValueError:
log.error(
'Could not decode command/sequence number pair from dispatcher: %s'
% line)
return
if command in self.required_headers:
self.command = command
self.seq = seq
self.headers = DecodingDict()
else:
log.error('Unknown command: %s' % command)
self.reply('{} error'.format(seq))
elif line == '':
missing_headers = self.required_headers[self.command].difference(
self.headers)
if missing_headers:
for header in missing_headers:
log.error('Missing mandatory header %r from %r command' %
(header, self.command))
response = 'error'
else:
# noinspection PyBroadException
try:
response = self.factory.parent.got_command(
self.factory.host, self.command, self.headers)
except Exception:
log.exception()
response = 'error'
self.reply('{} {}'.format(self.seq, response))
self.command = None
else:
try:
name, value = line.split(": ", 1)
except ValueError:
log.error('Unable to parse header: %s' % line)
else:
try:
self.headers[name] = value
except DecodingError, e:
log.error('Could not decode header: %s' % e)
def stop(self):
self.authorization_handler.stop()
notification_center = NotificationCenter()
notification_center.remove_observer(self, name='SIPSessionNewIncoming')
notification_center.remove_observer(
self, name='SIPIncomingSubscriptionGotSubscribe')
notification_center.remove_observer(self,
name='SIPIncomingReferralGotRefer')
notification_center.remove_observer(
self, name='SIPIncomingRequestGotRequest')
for app in self.application_registry:
try:
app.stop()
except Exception as e:
log.exception(
'Failed to stop {app.__appname__!r} application: {exception!s}'
.format(app=app, exception=e))
def _worker(self):
thread = current_thread()
while True:
task = self._queue.get()
if task is self.StopWorker:
break
# noinspection PyBroadException
try:
task.function(*task.args, **task.kw)
except:
log.exception(
'Unhandled exception while calling %r in the %r thread' %
(task.function, thread.name))
finally:
with self._lock:
self.__dict__['jobs'] -= 1
del task
self._threads.remove(thread)
def start(self):
interface = WebServerConfig.local_ip
port = WebServerConfig.local_port
cert_path = WebServerConfig.certificate.normalized if WebServerConfig.certificate else None
cert_chain_path = WebServerConfig.certificate_chain.normalized if WebServerConfig.certificate_chain else None
if cert_path is not None:
if not os.path.isfile(cert_path):
log.error('Certificate file %s could not be found' % cert_path)
return
try:
ssl_ctx_factory = DefaultOpenSSLContextFactory(
cert_path, cert_path)
except Exception:
log.exception('Creating TLS context')
return
if cert_chain_path is not None:
if not os.path.isfile(cert_chain_path):
log.error('Certificate chain file %s could not be found' %
cert_chain_path)
return
ssl_ctx = ssl_ctx_factory.getContext()
try:
ssl_ctx.use_certificate_chain_file(cert_chain_path)
except Exception:
log.exception('Setting TLS certificate chain file')
return
self.listener = reactor.listenSSL(port,
self.site,
ssl_ctx_factory,
backlog=511,
interface=interface)
scheme = 'https'
else:
self.listener = reactor.listenTCP(port,
self.site,
backlog=511,
interface=interface)
scheme = 'http'
port = self.listener.getHost().port
self.__dict__['url'] = '%s://%s:%d' % (scheme, WebServerConfig.hostname
or interface.normalized, port)
log.info('Web server listening for requests on: %s' % self.url)
class Backend(object):
"""Configuration datatype, used to select a backend module from the configuration file."""
def __new__(typ, value):
value = value.lower()
try:
return __import__('xcap.backend.%s' % value, globals(), locals(), [''])
except (ImportError, AssertionError), e:
log.critical('Cannot load %r backend module: %s' % (value, e))
sys.exit(1)
except Exception:
log.exception()
sys.exit(1)
def post_notification(self,
name,
sender=UnknownSender,
data=NotificationData()):
"""
Post a notification which will be delivered to all observers whose
subscription matches the name and sender attributes of the notification.
"""
notification = Notification(name, sender, data)
notification.center = self
queue = self.queue
queue.append(notification)
# noinspection PyTypeChecker
if len(
queue
) > 1: # This is true if we post a notification from inside a notification handler
return
empty_set = set()
while queue:
notification = queue[0]
observers = (
self.observers.get((Any, Any), empty_set) | self.observers.get(
(Any, notification.sender), empty_set)
| self.observers.get(
(notification.name, Any), empty_set) | self.observers.get(
(notification.name, notification.sender), empty_set))
for observer in observers:
try:
observer.handle_notification(notification)
except Exception:
log.exception(
'Unhandled exception in notification observer %r while handling notification %r'
% (observer, notification.name))
queue.popleft()
sys.exit(1)
# process was successfully put in the background. Redirect logging to syslog
log.start_syslog(name)
# This log line will go to syslog
log.info('application started (running in the background)')
# Add a signal handler for SIGUSR1
process.signals.add_handler(signal.SIGUSR1, signal_handler)
# Add another signal handler for SIGUSR1. Multiple handlers can be added
# for a given signal by different components/modules/threads of the
# application. The only limitation is that the first handler must be added
# from the main thread.
process.signals.add_handler(signal.SIGUSR1, signal_handler2)
log.info("sending SIGUSR1 to self")
os.kill(os.getpid(), signal.SIGUSR1)
log.info("sleeping for 3 seconds")
time.sleep(3)
# Simulate some error
try:
# noinspection PyUnresolvedReferences
bar = foo
except NameError as e:
# Log an error message and the backtrace
log.exception("cannot access foo: %s" % e)
log.info("program done, exiting")
def _EH_CallFunctionEvent(self, event):
try:
event.function(*event.args, **event.kw)
except:
log.exception("Exception occurred while calling function %s in the GUI thread" % event.function.__name__)
sys.exit(1)
# process was successfully put in the background. Redirect logging to syslog
log.start_syslog(name)
# This log line will go to syslog
log.msg('application started (running in the background)')
# Add a signal handler for SIGUSR1
process.signals.add_handler(signal.SIGUSR1, signal_handler)
# Add another signal handler for SIGUSR1. Multiple handlers can be added
# for a given signal by different components/modules/threads of the
# application. The only limitation is that the first handler must be added
# from the main thread.
process.signals.add_handler(signal.SIGUSR1, signal_handler2)
log.msg("sending SIGUSR1 to self")
os.kill(os.getpid(), signal.SIGUSR1)
log.msg("sleeping for 3 seconds")
time.sleep(3)
# Simulate some error
try:
bar = foo
except NameError, e:
log.error("cannot access foo: %s" % e)
# Also log the backtrace
log.exception()
log.msg("program done, exiting")
# process was succesfully put in the background. Redirect logging to syslog
log.start_syslog(name)
# This log line will go to syslog
log.msg('application started (running in the background)')
# Add a signal handler for SIGUSR1
process.signals.add_handler(signal.SIGUSR1, signal_handler)
# Add another signal handler for SIGUSR1. Mutliple handlers can be added
# for a given signal by different components/modules/threads of the
# application. The only limitation is that the first handler must be added
# from the main thread.
process.signals.add_handler(signal.SIGUSR1, signal_handler2)
log.msg("sending SIGUSR1 to self")
os.kill(os.getpid(), signal.SIGUSR1)
log.msg("sleeping for 3 seconds")
time.sleep(3)
# Simulate some error
try:
bar = foo
except NameError, e:
log.error("cannot access foo: %s" % e)
# Also log the backtrace
log.exception()
log.msg("program done, exiting")
def exception(self, message=None, **context):
if message is not None:
message = self.prefix+message
log.exception(message, **context)
def pack_fn(filepath, filepath_zip, paths_remap_relbase, all_deps, report, mode):
"""
'paths_remap_relbase' is the project path,
we want all paths to be relative to this so we don't get server path included.
"""
import os
from bam.blend import blendfile_pack
assert(os.path.exists(filepath) and not os.path.isdir(filepath))
log.info(" Source path: %r" % filepath)
log.info(" Zip path: %r" % filepath_zip)
deps_remap = {}
paths_remap = {}
paths_uuid = {}
binary_edits = {}
if filepath.endswith(".blend"):
# find the path relative to the project's root
blendfile_src_dir_fakeroot = os.path.dirname(os.path.relpath(filepath, paths_remap_relbase))
try:
yield from blendfile_pack.pack(
filepath.encode('utf-8'), filepath_zip.encode('utf-8'), mode=mode,
paths_remap_relbase=paths_remap_relbase.encode('utf-8'),
deps_remap=deps_remap, paths_remap=paths_remap, paths_uuid=paths_uuid,
all_deps=all_deps,
report=report,
blendfile_src_dir_fakeroot=blendfile_src_dir_fakeroot.encode('utf-8'),
readonly=True,
binary_edits=binary_edits,
)
except:
log.exception("Error packing the blend file")
return
else:
# non blend-file
from bam.utils.system import uuid_from_file
paths_uuid[os.path.basename(filepath)] = uuid_from_file(filepath)
del uuid_from_file
import zipfile
with zipfile.ZipFile(filepath_zip, 'w', zipfile.ZIP_DEFLATED) as zip_handle:
zip_handle.write(
filepath,
arcname=os.path.basename(filepath),
)
del zipfile
# simple case
paths_remap[os.path.basename(filepath)] = os.path.basename(filepath)
if os.path.isfile(filepath):
paths_remap["."] = os.path.relpath(os.path.dirname(filepath), paths_remap_relbase)
else:
# TODO(cam) directory support
paths_remap["."] = os.path.relpath(filepath, paths_remap_relbase)
# TODO, avoid reopening zipfile
# append json info to zip
import zipfile
with zipfile.ZipFile(filepath_zip, 'a', zipfile.ZIP_DEFLATED) as zip_handle:
import json
def write_dict_as_json(f, dct):
zip_handle.writestr(
f,
json.dumps(dct,
check_circular=False,
# optional (pretty)
sort_keys=True, indent=4, separators=(',', ': '),
).encode('utf-8'))
write_dict_as_json(".bam_deps_remap.json", deps_remap)
write_dict_as_json(".bam_paths_remap.json", paths_remap)
write_dict_as_json(".bam_paths_uuid.json", paths_uuid)
import pickle
zip_handle.writestr(".bam_paths_edit.data", pickle.dumps(binary_edits, pickle.HIGHEST_PROTOCOL))
del write_dict_as_json
del binary_edits
def pack_fn(filepath, filepath_zip, paths_remap_relbase, all_deps, report,
mode):
"""
'paths_remap_relbase' is the project path,
we want all paths to be relative to this so we don't get server path included.
"""
import os
from bam.blend import blendfile_pack
assert (os.path.exists(filepath) and not os.path.isdir(filepath))
log.info(" Source path: %r" % filepath)
log.info(" Zip path: %r" % filepath_zip)
deps_remap = {}
paths_remap = {}
paths_uuid = {}
binary_edits = {}
if filepath.endswith(".blend"):
# find the path relative to the project's root
blendfile_src_dir_fakeroot = os.path.dirname(
os.path.relpath(filepath, paths_remap_relbase))
try:
yield from blendfile_pack.pack(
filepath.encode('utf-8'),
filepath_zip.encode('utf-8'),
mode=mode,
paths_remap_relbase=paths_remap_relbase.encode('utf-8'),
deps_remap=deps_remap,
paths_remap=paths_remap,
paths_uuid=paths_uuid,
all_deps=all_deps,
report=report,
blendfile_src_dir_fakeroot=blendfile_src_dir_fakeroot.
encode('utf-8'),
use_variations=True,
readonly=True,
binary_edits=binary_edits,
)
except:
log.exception("Error packing the blend file")
return
else:
# non blend-file
from bam.utils.system import uuid_from_file
paths_uuid[os.path.basename(filepath)] = uuid_from_file(filepath)
del uuid_from_file
import zipfile
with zipfile.ZipFile(filepath_zip, 'w',
zipfile.ZIP_DEFLATED) as zip_handle:
zip_handle.write(
filepath,
arcname=os.path.basename(filepath),
)
del zipfile
# simple case
paths_remap[os.path.basename(filepath)] = os.path.basename(
filepath)
if os.path.isfile(filepath):
paths_remap["."] = os.path.relpath(os.path.dirname(filepath),
paths_remap_relbase)
else:
# TODO(cam) directory support
paths_remap["."] = os.path.relpath(filepath, paths_remap_relbase)
# TODO, avoid reopening zipfile
# append json info to zip
import zipfile
with zipfile.ZipFile(filepath_zip, 'a',
zipfile.ZIP_DEFLATED) as zip_handle:
import json
def write_dict_as_json(f, dct):
zip_handle.writestr(
f,
json.dumps(
dct,
check_circular=False,
# optional (pretty)
sort_keys=True,
indent=4,
separators=(',', ': '),
).encode('utf-8'))
write_dict_as_json(".bam_deps_remap.json", deps_remap)
write_dict_as_json(".bam_paths_remap.json", paths_remap)
write_dict_as_json(".bam_paths_uuid.json", paths_uuid)
import pickle
zip_handle.writestr(
".bam_paths_edit.data",
pickle.dumps(binary_edits, pickle.HIGHEST_PROTOCOL))
del write_dict_as_json
del binary_edits
def exception(self, message=None, **context):
if message is not None:
message = self.prefix + message
log.exception(message, **context)
