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diff --git a/sylk/log.py b/sylk/log.py
index 7973cc6..81b88ac 100644
--- a/sylk/log.py
+++ b/sylk/log.py
@@ -1,295 +1,294 @@
"""
Logging support adapted from SIP SIMPLE Client logger.
"""
__all__ = ["Logger"]
import datetime
import os
import sys
-from pprint import pformat
-
from application import log
from application.notification import IObserver, NotificationCenter
from application.python import Null
from application.system import makedirs
+from pprint import pformat
from sipsimple.configuration.settings import SIPSimpleSettings
from sipsimple.threading import run_in_thread
from zope.interface import implements
class Logger(object):
implements(IObserver)
# public methods
#
def __init__(self):
self.stopped = False
self.msrp_level = log.level.ERROR
self._siptrace_filename = None
self._siptrace_file = None
self._siptrace_error = False
self._siptrace_start_time = None
self._siptrace_packet_count = 0
self._msrptrace_filename = None
self._msrptrace_file = None
self._msrptrace_error = False
self._pjsiptrace_filename = None
self._pjsiptrace_file = None
self._pjsiptrace_error = False
self._notifications_filename = None
self._notifications_file = None
self._notifications_error = False
self._log_directory_error = False
def start(self):
# try to create the log directory
try:
self._init_log_directory()
except Exception:
pass
# register to receive log notifications
NotificationCenter().add_observer(self)
self.stopped = False
def stop(self):
NotificationCenter().remove_observer(self)
self.stopped = False
self._close_files()
@run_in_thread('log-io')
def _close_files(self):
# close sip trace file
if self._siptrace_file is not None:
self._siptrace_file.close()
self._siptrace_file = None
# close msrp trace file
if self._msrptrace_file is not None:
self._msrptrace_file.close()
self._msrptrace_file = None
# close pjsip trace file
if self._pjsiptrace_file is not None:
self._pjsiptrace_file.close()
self._pjsiptrace_file = None
# close notifications trace file
if self._notifications_file is not None:
self._notifications_file.close()
self._notifications_file = None
def handle_notification(self, notification):
if self.stopped:
return
self._process_notification(notification)
@run_in_thread('log-io')
def _process_notification(self, notification):
settings = SIPSimpleSettings()
handler = getattr(self, '_NH_%s' % notification.name, Null)
handler(notification)
handler = getattr(self, '_LH_%s' % notification.name, Null)
handler(notification)
if notification.name not in ('SIPEngineLog', 'SIPEngineSIPTrace') and settings.logs.trace_notifications:
message = 'Notification name=%s sender=%s' % (notification.name, notification.sender)
if notification.data is not None:
message += '\n%s' % pformat(notification.data.__dict__)
if settings.logs.trace_notifications:
try:
self._init_log_file('notifications')
except Exception:
pass
else:
self._notifications_file.write('%s [%s %d]: %s\n' % (datetime.datetime.now(), os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._notifications_file.flush()
# notification handlers
#
def _NH_CFGSettingsObjectDidChange(self, notification):
settings = SIPSimpleSettings()
if notification.sender is settings:
if 'logs.directory' in notification.data.modified:
# sip trace
if self._siptrace_file is not None:
self._siptrace_file.close()
self._siptrace_file = None
# pjsip trace
if self._pjsiptrace_file is not None:
self._pjsiptrace_file.close()
self._pjsiptrace_file = None
# notifications trace
if self._notifications_file is not None:
self._notifications_file.close()
self._notifications_file = None
# try to create the log directory
try:
self._init_log_directory()
except Exception:
pass
# log handlers
#
def _LH_SIPEngineSIPTrace(self, notification):
settings = SIPSimpleSettings()
if not settings.logs.trace_sip:
return
if self._siptrace_start_time is None:
self._siptrace_start_time = notification.datetime
self._siptrace_packet_count += 1
if notification.data.received:
direction = "RECEIVED"
else:
direction = "SENDING"
buf = ("%s: Packet %d, +%s" % (direction, self._siptrace_packet_count, (notification.datetime - self._siptrace_start_time)),
"%(source_ip)s:%(source_port)d -(SIP over %(transport)s)-> %(destination_ip)s:%(destination_port)d" % notification.data.__dict__,
notification.data.data,
'--')
message = '\n'.join(buf)
try:
self._init_log_file('siptrace')
except Exception:
pass
else:
self._siptrace_file.write('%s [%s %d]: %s\n' % (notification.datetime, os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._siptrace_file.flush()
def _LH_SIPEngineLog(self, notification):
settings = SIPSimpleSettings()
if not settings.logs.trace_pjsip:
return
message = "(%(level)d) %(message)s" % notification.data.__dict__
try:
self._init_log_file('pjsiptrace')
except Exception:
pass
else:
self._pjsiptrace_file.write('%s [%s %d] %s\n' % (notification.datetime, os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._pjsiptrace_file.flush()
def _LH_DNSLookupTrace(self, notification):
settings = SIPSimpleSettings()
if not settings.logs.trace_sip:
return
message = 'DNS lookup %(query_type)s %(query_name)s' % notification.data.__dict__
if notification.data.error is None:
message += ' succeeded, ttl=%d: ' % notification.data.answer.ttl
if notification.data.query_type == 'A':
message += ", ".join(record.address for record in notification.data.answer)
elif notification.data.query_type == 'SRV':
message += ", ".join('%d %d %d %s' % (record.priority, record.weight, record.port, record.target) for record in notification.data.answer)
elif notification.data.query_type == 'NAPTR':
message += ", ".join('%d %d "%s" "%s" "%s" %s' % (record.order, record.preference, record.flags, record.service, record.regexp, record.replacement) for record in notification.data.answer)
else:
import dns.resolver
message_map = {dns.resolver.NXDOMAIN: 'DNS record does not exist',
dns.resolver.NoAnswer: 'DNS response contains no answer',
dns.resolver.NoNameservers: 'no DNS name servers could be reached',
dns.resolver.Timeout: 'no DNS response received, the query has timed out'}
message += ' failed: %s' % message_map.get(notification.data.error.__class__, '')
try:
self._init_log_file('siptrace')
except Exception:
pass
else:
self._siptrace_file.write('%s [%s %d]: %s\n' % (notification.datetime, os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._siptrace_file.flush()
def _LH_MSRPTransportTrace(self, notification):
settings = SIPSimpleSettings()
if not settings.logs.trace_msrp:
return
arrow = {'incoming': '<--', 'outgoing': '-->'}[notification.data.direction]
local_address = notification.sender.getHost()
local_address = '%s:%d' % (local_address.host, local_address.port)
remote_address = notification.sender.getPeer()
remote_address = '%s:%d' % (remote_address.host, remote_address.port)
message = '%s %s %s\n' % (local_address, arrow, remote_address) + notification.data.data
try:
self._init_log_file('msrptrace')
except Exception:
pass
else:
self._msrptrace_file.write('%s [%s %d]: %s\n' % (notification.datetime, os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._msrptrace_file.flush()
def _LH_MSRPLibraryLog(self, notification):
settings = SIPSimpleSettings()
if not settings.logs.trace_msrp:
return
if notification.data.level < self.msrp_level:
return
message = '%s%s' % (notification.data.level.prefix, notification.data.message)
try:
self._init_log_file('msrptrace')
except Exception:
pass
else:
self._msrptrace_file.write('%s [%s %d]: %s\n' % (notification.datetime, os.path.basename(sys.argv[0]).rstrip('.py'), os.getpid(), message))
self._msrptrace_file.flush()
# private methods
#
def _init_log_directory(self):
settings = SIPSimpleSettings()
log_directory = settings.logs.directory.normalized
try:
makedirs(log_directory)
except Exception, e:
if not self._log_directory_error:
print "failed to create logs directory '%s': %s" % (log_directory, e)
self._log_directory_error = True
self._siptrace_error = True
self._pjsiptrace_error = True
self._notifications_error = True
raise
else:
self._log_directory_error = False
# sip trace
if self._siptrace_filename is None:
self._siptrace_filename = os.path.join(log_directory, 'sip_trace.log')
self._siptrace_error = False
# msrp trace
if self._msrptrace_filename is None:
self._msrptrace_filename = os.path.join(log_directory, 'msrp_trace.log')
self._msrptrace_error = False
# pjsip trace
if self._pjsiptrace_filename is None:
self._pjsiptrace_filename = os.path.join(log_directory, 'core_trace.log')
self._pjsiptrace_error = False
# notifications trace
if self._notifications_filename is None:
self._notifications_filename = os.path.join(log_directory, 'notifications_trace.log')
self._notifications_error = False
def _init_log_file(self, type):
if getattr(self, '_%s_file' % type) is None:
self._init_log_directory()
filename = getattr(self, '_%s_filename' % type)
try:
setattr(self, '_%s_file' % type, open(filename, 'a'))
except Exception, e:
if not getattr(self, '_%s_error' % type):
print "failed to create log file '%s': %s" % (filename, e)
setattr(self, '_%s_error' % type, True)
raise
else:
setattr(self, '_%s_error' % type, False)

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