--- /dev/null
+# The MIT License (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.
+
+from bt2 import native_bt, object, utils
+import bt2.packet
+import bt2.stream
+import bt2.event
+import bt2
+
+
+def _create_from_ptr(ptr):
+ notif_type = native_bt.notification_get_type(ptr)
+ cls = None
+
+ if notif_type not in _NOTIF_TYPE_TO_CLS:
+ raise bt2.Error('unknown notification type: {}'.format(notif_type))
+
+ return _NOTIF_TYPE_TO_CLS[notif_type]._create_from_ptr(ptr)
+
+
+class _Notification(object._Object):
+ pass
+
+
+class TraceEventNotification(_Notification):
+ def __init__(self, event):
+ utils._check_type(event, bt2.event._Event)
+ ptr = native_bt.notification_event_create(event._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create trace event notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def event(self):
+ event_ptr = native_bt.notification_event_get_event(self._ptr)
+ utils._handle_ptr(event_ptr, "cannot get trace event notification object's event object")
+ return bt2.event._create_from_ptr(event_ptr)
+
+
+class BeginningOfPacketNotification(_Notification):
+ def __init__(self, packet):
+ utils._check_type(packet, bt2.packet._Packet)
+ ptr = native_bt.notification_packet_begin_create(packet._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create beginning of packet notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def packet(self):
+ packet_ptr = native_bt.notification_packet_begin_get_packet(self._ptr)
+ utils._handle_ptr(packet_ptr, "cannot get beginning of packet notification object's packet object")
+ return bt2.packet._Packet._create_from_ptr(packet_ptr)
+
+
+class EndOfPacketNotification(_Notification):
+ def __init__(self, packet):
+ utils._check_type(packet, bt2.packet._Packet)
+ ptr = native_bt.notification_packet_end_create(packet._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create end of packet notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def packet(self):
+ packet_ptr = native_bt.notification_packet_end_get_packet(self._ptr)
+ utils._handle_ptr(packet_ptr, "cannot get end of packet notification object's packet object")
+ return bt2.packet._Packet._create_from_ptr(packet_ptr)
+
+
+class EndOfStreamNotification(_Notification):
+ def __init__(self, stream):
+ utils._check_type(stream, bt2.stream._Stream)
+ ptr = native_bt.notification_stream_end_create(stream._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create end of stream notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def stream(self):
+ stream_ptr = native_bt.notification_stream_end_get_stream(self._ptr)
+ utils._handle_ptr(stream_ptr, "cannot get end of stream notification object's stream object")
+ return bt2.stream._create_from_ptr(stream_ptr)
+
+
+class NewTraceNotification(_Notification):
+ def __init__(self, trace):
+ utils._check_type(trace, bt2.Trace)
+ ptr = native_bt.notification_new_trace_create(trace._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create new trace notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def trace(self):
+ trace_ptr = native_bt.notification_new_trace_get_trace(self._ptr)
+ utils._handle_ptr(trace_ptr, "cannot get new trace notification object's trace object")
+ return bt2.trace._create_from_ptr(trace_ptr)
+
+
+class NewStreamClassNotification(_Notification):
+ def __init__(self, stream_class):
+ utils._check_type(stream_class, bt2.StreamClass)
+ ptr = native_bt.notification_new_stream_class_create(stream_class._ptr)
+
+ if ptr is None:
+ raise bt2.CreationError('cannot create new stream class notification object')
+
+ super().__init__(ptr)
+
+ @property
+ def stream_class(self):
+ stream_class_ptr = native_bt.notification_new_stream_class_get_stream_class(self._ptr)
+ utils._handle_ptr(stream_class_ptr, "cannot get new stream class notification object's stream class object")
+ return bt2.stream_class.StreamClass._create_from_ptr(stream_class_ptr)
+
+
+_NOTIF_TYPE_TO_CLS = {
+ native_bt.NOTIFICATION_TYPE_EVENT: TraceEventNotification,
+ native_bt.NOTIFICATION_TYPE_PACKET_BEGIN: BeginningOfPacketNotification,
+ native_bt.NOTIFICATION_TYPE_PACKET_END: EndOfPacketNotification,
+ native_bt.NOTIFICATION_TYPE_STREAM_END: EndOfStreamNotification,
+ native_bt.NOTIFICATION_TYPE_NEW_TRACE: NewTraceNotification,
+ native_bt.NOTIFICATION_TYPE_NEW_STREAM_CLASS: NewStreamClassNotification,
+}
projects / babeltrace.git / blobdiff