#
##############################################################################
+import errno
import logging
import logging.handlers
+import os
+import socket
import sys
import threading
import time
import release
from pprint import pformat
import warnings
+import heapq
class Service(object):
""" Base class for *Local* services
_services = {}
_groups = {}
+ _logger = logging.getLogger('web-services')
def __init__(self, name, audience=''):
ExportService._services[name] = self
self.__name = name
+ self._logger.debug("Registered an exported service: %s" % name)
def joinGroup(self, name):
ExportService._groups.setdefault(name, {})[self.__name] = self
raise
LOG_NOTSET = 'notset'
+LOG_DEBUG_SQL = 'debug_sql'
+LOG_DEBUG_RPC_ANSWER = 'debug_rpc_answer'
LOG_DEBUG_RPC = 'debug_rpc'
LOG_DEBUG = 'debug'
+LOG_TEST = 'test'
LOG_INFO = 'info'
LOG_WARNING = 'warn'
LOG_ERROR = 'error'
LOG_CRITICAL = 'critical'
+logging.DEBUG_RPC_ANSWER = logging.DEBUG - 4
+logging.addLevelName(logging.DEBUG_RPC_ANSWER, 'DEBUG_RPC_ANSWER')
logging.DEBUG_RPC = logging.DEBUG - 2
logging.addLevelName(logging.DEBUG_RPC, 'DEBUG_RPC')
+logging.DEBUG_SQL = logging.DEBUG_RPC - 3
+logging.addLevelName(logging.DEBUG_SQL, 'DEBUG_SQL')
+
+logging.TEST = logging.INFO - 5
+logging.addLevelName(logging.TEST, 'TEST')
+
+BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE, _NOTHING, DEFAULT = range(10)
+#The background is set with 40 plus the number of the color, and the foreground with 30
+#These are the sequences need to get colored ouput
+RESET_SEQ = "\033[0m"
+COLOR_SEQ = "\033[1;%dm"
+BOLD_SEQ = "\033[1m"
+COLOR_PATTERN = "%s%s%%s%s" % (COLOR_SEQ, COLOR_SEQ, RESET_SEQ)
+LEVEL_COLOR_MAPPING = {
+ logging.DEBUG_SQL: (WHITE, MAGENTA),
+ logging.DEBUG_RPC: (BLUE, WHITE),
+ logging.DEBUG_RPC_ANSWER: (BLUE, WHITE),
+ logging.DEBUG: (BLUE, DEFAULT),
+ logging.INFO: (GREEN, DEFAULT),
+ logging.TEST: (WHITE, BLUE),
+ logging.WARNING: (YELLOW, DEFAULT),
+ logging.ERROR: (RED, DEFAULT),
+ logging.CRITICAL: (WHITE, RED),
+}
+
+class DBFormatter(logging.Formatter):
+ def format(self, record):
+ record.dbname = getattr(threading.currentThread(), 'dbname', '?')
+ return logging.Formatter.format(self, record)
+
+class ColoredFormatter(DBFormatter):
+ def format(self, record):
+ fg_color, bg_color = LEVEL_COLOR_MAPPING[record.levelno]
+ record.levelname = COLOR_PATTERN % (30 + fg_color, 40 + bg_color, record.levelname)
+ return DBFormatter.format(self, record)
def init_logger():
import os
from tools.translate import resetlocale
resetlocale()
- logger = logging.getLogger()
# create a format for log messages and dates
- formatter = logging.Formatter('[%(asctime)s] %(levelname)s:%(name)s:%(message)s')
+ format = '[%(asctime)s][%(dbname)s] %(levelname)s:%(name)s:%(message)s'
if tools.config['syslog']:
# SysLog Handler
if os.name == 'nt':
- handler = logging.handlers.NTEventLogHandler("%s %s" %
- (release.description,
- release.version))
+ handler = logging.handlers.NTEventLogHandler("%s %s" % (release.description, release.version))
else:
handler = logging.handlers.SysLogHandler('/dev/log')
- formatter = logging.Formatter("%s %s" % (release.description, release.version) + ':%(levelname)s:%(name)s:%(message)s')
+ format = '%s %s' % (release.description, release.version) \
+ + ':%(dbname)s:%(levelname)s:%(name)s:%(message)s'
elif tools.config['logfile']:
# LogFile Handler
handler = logging.handlers.WatchedFileHandler(logf)
else:
handler = logging.handlers.FileHandler(logf)
- except Exception, ex:
+ except Exception:
sys.stderr.write("ERROR: couldn't create the logfile directory. Logging to the standard output.\n")
handler = logging.StreamHandler(sys.stdout)
else:
# Normal Handler on standard output
handler = logging.StreamHandler(sys.stdout)
-
- # tell the handler to use this format
+ if isinstance(handler, logging.StreamHandler) and os.isatty(handler.stream.fileno()):
+ formatter = ColoredFormatter(format)
+ else:
+ formatter = DBFormatter(format)
handler.setFormatter(formatter)
# add the handler to the root logger
+ logger = logging.getLogger()
logger.addHandler(handler)
logger.setLevel(int(tools.config['log_level'] or '0'))
- if (not isinstance(handler, logging.FileHandler)) and os.name != 'nt':
- # change color of level names
- # uses of ANSI color codes
- # see http://pueblo.sourceforge.net/doc/manual/ansi_color_codes.html
- # maybe use http://code.activestate.com/recipes/574451/
- colors = ['black', 'red', 'green', 'yellow', 'blue', 'magenta', 'cyan', 'white', None, 'default']
- foreground = lambda f: 30 + colors.index(f)
- background = lambda f: 40 + colors.index(f)
-
- mapping = {
- 'DEBUG_RPC': ('blue', 'white'),
- 'DEBUG': ('blue', 'default'),
- 'INFO': ('green', 'default'),
- 'WARNING': ('yellow', 'default'),
- 'ERROR': ('red', 'default'),
- 'CRITICAL': ('white', 'red'),
- }
-
- for level, (fg, bg) in mapping.items():
- msg = "\x1b[%dm\x1b[%dm%s\x1b[0m" % (foreground(fg), background(bg), level)
- logging.addLevelName(getattr(logging, level), msg)
-
class Logger(object):
def __init__(self):
log = logging.getLogger(tools.ustr(name))
- if level == LOG_DEBUG_RPC and not hasattr(log, level):
- fct = lambda msg, *args, **kwargs: log.log(logging.DEBUG_RPC, msg, *args, **kwargs)
- setattr(log, LOG_DEBUG_RPC, fct)
+ if level in [LOG_DEBUG_RPC, LOG_TEST] and not hasattr(log, level):
+ fct = lambda msg, *args, **kwargs: log.log(getattr(logging, level.upper()), msg, *args, **kwargs)
+ setattr(log, level, fct)
+
level_method = getattr(log, level)
level_method('[%02d]: %s' % (idx+1, s,))
elif result:
level_method(result[0])
- except IOError,e:
+ except IOError:
# TODO: perhaps reset the logger streams?
#if logrotate closes our files, we end up here..
pass
- except:
+ except Exception:
# better ignore the exception and carry on..
pass
- def set_loglevel(self, level):
- log = logging.getLogger()
+ def set_loglevel(self, level, logger=None):
+ if logger is not None:
+ log = logging.getLogger(str(logger))
+ else:
+ log = logging.getLogger()
log.setLevel(logging.INFO) # make sure next msg is printed
log.info("Log level changed to %s" % logging.getLevelName(level))
log.setLevel(level)
init_logger()
class Agent(object):
- _timers = {}
- _logger = Logger()
-
- __logger = logging.getLogger('timer')
-
- def setAlarm(self, fn, dt, db_name, *args, **kwargs):
- wait = dt - time.time()
- if wait > 0:
- self.__logger.debug("Job scheduled in %.3g seconds for %s.%s" % (wait, fn.im_class.__name__, fn.func_name))
- timer = threading.Timer(wait, fn, args, kwargs)
- timer.start()
- self._timers.setdefault(db_name, []).append(timer)
+ """Singleton that keeps track of cancellable tasks to run at a given
+ timestamp.
+ The tasks are caracterised by:
+ * a timestamp
+ * the database on which the task run
+ * the function to call
+ * the arguments and keyword arguments to pass to the function
+
+ Implementation details:
+ Tasks are stored as list, allowing the cancellation by setting
+ the timestamp to 0.
+ A heapq is used to store tasks, so we don't need to sort
+ tasks ourself.
+ """
+ __tasks = []
+ __tasks_by_db = {}
+ _logger = logging.getLogger('netsvc.agent')
- for db in self._timers:
- for timer in self._timers[db]:
- if not timer.isAlive():
- self._timers[db].remove(timer)
+ @classmethod
+ def setAlarm(cls, function, timestamp, db_name, *args, **kwargs):
+ task = [timestamp, db_name, function, args, kwargs]
+ heapq.heappush(cls.__tasks, task)
+ cls.__tasks_by_db.setdefault(db_name, []).append(task)
@classmethod
def cancel(cls, db_name):
- """Cancel all timers for a given database. If None passed, all timers are cancelled"""
- for db in cls._timers:
- if db_name is None or db == db_name:
- for timer in cls._timers[db]:
- timer.cancel()
+ """Cancel all tasks for a given database. If None is passed, all tasks are cancelled"""
+ cls._logger.debug("Cancel timers for %s db", db_name or 'all')
+ if db_name is None:
+ cls.__tasks, cls.__tasks_by_db = [], {}
+ else:
+ if db_name in cls.__tasks_by_db:
+ for task in cls.__tasks_by_db[db_name]:
+ task[0] = 0
@classmethod
def quit(cls):
cls.cancel(None)
+ @classmethod
+ def runner(cls):
+ """Neverending function (intended to be ran in a dedicated thread) that
+ checks every 60 seconds tasks to run. TODO: make configurable
+ """
+ current_thread = threading.currentThread()
+ while True:
+ while cls.__tasks and cls.__tasks[0][0] < time.time():
+ task = heapq.heappop(cls.__tasks)
+ timestamp, dbname, function, args, kwargs = task
+ cls.__tasks_by_db[dbname].remove(task)
+ if not timestamp:
+ # null timestamp -> cancelled task
+ continue
+ current_thread.dbname = dbname # hack hack
+ cls._logger.debug("Run %s.%s(*%s, **%s)", function.im_class.__name__, function.func_name, args, kwargs)
+ delattr(current_thread, 'dbname')
+ task_thread = threading.Thread(target=function, name='netsvc.Agent.task', args=args, kwargs=kwargs)
+ # force non-daemon task threads (the runner thread must be daemon, and this property is inherited by default)
+ task_thread.setDaemon(False)
+ task_thread.start()
+ time.sleep(1)
+ time.sleep(60)
+
+agent_runner = threading.Thread(target=Agent.runner, name="netsvc.Agent.runner")
+# the agent runner is a typical daemon thread, that will never quit and must be
+# terminated when the main process exits - with no consequence (the processing
+# threads it spawns are not marked daemon)
+agent_runner.setDaemon(True)
+agent_runner.start()
+
import traceback
class Server:
"""
__is_started = False
__servers = []
+ __starter_threads = []
+
+ # we don't want blocking server calls (think select()) to
+ # wait forever and possibly prevent exiting the process,
+ # but instead we want a form of polling/busy_wait pattern, where
+ # _server_timeout should be used as the default timeout for
+ # all I/O blocking operations
+ _busywait_timeout = 0.5
__logger = logging.getLogger('server')
def __init__(self):
- if Server.__is_started:
- raise Exception('All instances of servers must be inited before the startAll()')
Server.__servers.append(self)
+ if Server.__is_started:
+ # raise Exception('All instances of servers must be inited before the startAll()')
+ # Since the startAll() won't be called again, allow this server to
+ # init and then start it after 1sec (hopefully). Register that
+ # timer thread in a list, so that we can abort the start if quitAll
+ # is called in the meantime
+ t = threading.Timer(1.0, self._late_start)
+ t.name = 'Late start timer for %s' % str(self.__class__)
+ Server.__starter_threads.append(t)
+ t.start()
def start(self):
self.__logger.debug("called stub Server.start")
+
+ def _late_start(self):
+ self.start()
+ for thr in Server.__starter_threads:
+ if thr.finished.is_set():
+ Server.__starter_threads.remove(thr)
def stop(self):
self.__logger.debug("called stub Server.stop")
if not cls.__is_started:
return
cls.__logger.info("Stopping %d services" % len(cls.__servers))
+ for thr in cls.__starter_threads:
+ if not thr.finished.is_set():
+ thr.cancel()
+ cls.__starter_threads.remove(thr)
+
for srv in cls.__servers:
srv.stop()
cls.__is_started = False
res.extend(srv.stats() for srv in cls.__servers)
return '\n'.join(res)
+ def _close_socket(self):
+ if os.name != 'nt':
+ try:
+ self.socket.shutdown(getattr(socket, 'SHUT_RDWR', 2))
+ except socket.error, e:
+ if e.errno != errno.ENOTCONN: raise
+ # OSX, socket shutdowns both sides if any side closes it
+ # causing an error 57 'Socket is not connected' on shutdown
+ # of the other side (or something), see
+ # http://bugs.python.org/issue4397
+ self.__logger.debug(
+ '"%s" when shutting down server socket, '
+ 'this is normal under OS X', e)
+ self.socket.close()
+
class OpenERPDispatcherException(Exception):
def __init__(self, exception, traceback):
self.exception = exception
self.traceback = traceback
+def replace_request_password(args):
+ # password is always 3rd argument in a request, we replace it in RPC logs
+ # so it's easier to forward logs for diagnostics/debugging purposes...
+ args = list(args)
+ if len(args) > 2:
+ args[2] = '*'
+ return args
+
class OpenERPDispatcher:
- def log(self, title, msg):
- Logger().notifyChannel('%s' % title, LOG_DEBUG_RPC, pformat(msg))
+ def log(self, title, msg, channel=logging.DEBUG_RPC, depth=None):
+ logger = logging.getLogger(title)
+ if logger.isEnabledFor(channel):
+ for line in pformat(msg, depth=depth).split('\n'):
+ logger.log(channel, line)
def dispatch(self, service_name, method, params):
try:
+ logger = logging.getLogger('result')
self.log('service', service_name)
self.log('method', method)
- self.log('params', params)
+ self.log('params', replace_request_password(params), depth=(None if logger.isEnabledFor(logging.DEBUG_RPC_ANSWER) else 1))
auth = getattr(self, 'auth_provider', None)
result = ExportService.getService(service_name).dispatch(method, auth, params)
- self.log('result', result)
- # We shouldn't marshall None,
- if result == None:
- result = False
+ self.log('result', result, channel=logging.DEBUG_RPC_ANSWER)
return result
except Exception, e:
self.log('exception', tools.exception_to_unicode(e))