-# The MIT License (MIT)
+# SPDX-License-Identifier: MIT
#
# Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
import bt2
+from bt2 import logging as bt2_logging
+from bt2 import native_bt
def _check_bool(o):
def _check_type(o, expected_type):
if not isinstance(o, expected_type):
- raise TypeError("'{}' is not a '{}' object".format(o.__class__.__name__,
- expected_type))
+ raise TypeError(
+ "'{}' is not a '{}' object".format(o.__class__.__name__, expected_type)
+ )
def _is_in_int64_range(v):
- assert(isinstance(v, int))
+ assert isinstance(v, int)
return v >= -(2**63) and v <= (2**63 - 1)
def _is_in_uint64_range(v):
- assert(isinstance(v, int))
+ assert isinstance(v, int)
return v >= 0 and v <= (2**64 - 1)
if not _is_in_int64_range(v):
if msg is None:
- msg = 'expecting a signed 64-bit integral value'
+ msg = "expecting a signed 64-bit integral value"
- msg += ' (got {})'.format(v)
+ msg += " (got {})".format(v)
raise ValueError(msg)
if not _is_in_uint64_range(v):
if msg is None:
- msg = 'expecting an unsigned 64-bit integral value'
+ msg = "expecting an unsigned 64-bit integral value"
- msg += ' (got {})'.format(v)
+ msg += " (got {})".format(v)
raise ValueError(msg)
_check_uint64(a)
if not _is_pow2(a):
- raise ValueError('{} is not a power of two'.format(a))
-
-
-def _raise_bt2_error(msg):
- if msg is None:
- raise bt2.Error
+ raise ValueError("{} is not a power of two".format(a))
+
+
+def _check_log_level(log_level):
+ _check_int(log_level)
+
+ log_levels = (
+ bt2_logging.LoggingLevel.TRACE,
+ bt2_logging.LoggingLevel.DEBUG,
+ bt2_logging.LoggingLevel.INFO,
+ bt2_logging.LoggingLevel.WARNING,
+ bt2_logging.LoggingLevel.ERROR,
+ bt2_logging.LoggingLevel.FATAL,
+ bt2_logging.LoggingLevel.NONE,
+ )
+
+ if log_level not in log_levels:
+ raise ValueError("'{}' is not a valid logging level".format(log_level))
+
+
+def _handle_func_status(status, msg=None):
+ if status == native_bt.__BT_FUNC_STATUS_OK:
+ # no error
+ return
+
+ if status == native_bt.__BT_FUNC_STATUS_ERROR:
+ assert msg is not None
+ raise bt2._Error(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_MEMORY_ERROR:
+ assert msg is not None
+ raise bt2._MemoryError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_END:
+ if msg is None:
+ raise bt2.Stop
+ else:
+ raise bt2.Stop(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_AGAIN:
+ if msg is None:
+ raise bt2.TryAgain
+ else:
+ raise bt2.TryAgain(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_OVERFLOW_ERROR:
+ if msg is None:
+ raise bt2._OverflowError
+ else:
+ raise bt2._OverflowError(msg)
+ elif status == native_bt.__BT_FUNC_STATUS_UNKNOWN_OBJECT:
+ if msg is None:
+ raise bt2.UnknownObject
+ else:
+ raise bt2.UnknownObject(msg)
else:
- raise bt2.Error(msg)
+ assert False
-def _handle_ret(ret, msg=None):
- if int(ret) < 0:
- _raise_bt2_error(msg)
+class _ListenerHandle:
+ def __init__(self, addr):
+ self._addr = addr
+ self._listener_id = None
+ def _set_listener_id(self, listener_id):
+ self._listener_id = listener_id
-def _handle_ptr(ptr, msg=None):
- if ptr is None:
- _raise_bt2_error(msg)
+ def _invalidate(self):
+ self._listener_id = None