| 1 | # The MIT License (MIT) |
| 2 | # |
| 3 | # Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com> |
| 4 | # |
| 5 | # Permission is hereby granted, free of charge, to any person obtaining a copy |
| 6 | # of this software and associated documentation files (the "Software"), to deal |
| 7 | # in the Software without restriction, including without limitation the rights |
| 8 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 9 | # copies of the Software, and to permit persons to whom the Software is |
| 10 | # furnished to do so, subject to the following conditions: |
| 11 | # |
| 12 | # The above copyright notice and this permission notice shall be included in |
| 13 | # all copies or substantial portions of the Software. |
| 14 | # |
| 15 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 18 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 21 | # THE SOFTWARE. |
| 22 | |
| 23 | from bt2 import native_bt, object, utils |
| 24 | import bt2.packet |
| 25 | import bt2.stream |
| 26 | import bt2.event |
| 27 | import bt2 |
| 28 | |
| 29 | |
| 30 | def _create_from_ptr(ptr): |
| 31 | notif_type = native_bt.notification_get_type(ptr) |
| 32 | cls = None |
| 33 | |
| 34 | if notif_type not in _NOTIF_TYPE_TO_CLS: |
| 35 | raise bt2.Error('unknown notification type: {}'.format(notif_type)) |
| 36 | |
| 37 | return _NOTIF_TYPE_TO_CLS[notif_type]._create_from_ptr(ptr) |
| 38 | |
| 39 | |
| 40 | class _Notification(object._Object): |
| 41 | pass |
| 42 | |
| 43 | |
| 44 | class TraceEventNotification(_Notification): |
| 45 | def __init__(self, event): |
| 46 | utils._check_type(event, bt2.event._Event) |
| 47 | ptr = native_bt.notification_event_create(event._ptr) |
| 48 | |
| 49 | if ptr is None: |
| 50 | raise bt2.CreationError('cannot create trace event notification object') |
| 51 | |
| 52 | super().__init__(ptr) |
| 53 | |
| 54 | @property |
| 55 | def event(self): |
| 56 | event_ptr = native_bt.notification_event_get_event(self._ptr) |
| 57 | utils._handle_ptr(event_ptr, "cannot get trace event notification object's event object") |
| 58 | return bt2.event._create_from_ptr(event_ptr) |
| 59 | |
| 60 | |
| 61 | class BeginningOfPacketNotification(_Notification): |
| 62 | def __init__(self, packet): |
| 63 | utils._check_type(packet, bt2.packet._Packet) |
| 64 | ptr = native_bt.notification_packet_begin_create(packet._ptr) |
| 65 | |
| 66 | if ptr is None: |
| 67 | raise bt2.CreationError('cannot create beginning of packet notification object') |
| 68 | |
| 69 | super().__init__(ptr) |
| 70 | |
| 71 | @property |
| 72 | def packet(self): |
| 73 | packet_ptr = native_bt.notification_packet_begin_get_packet(self._ptr) |
| 74 | utils._handle_ptr(packet_ptr, "cannot get beginning of packet notification object's packet object") |
| 75 | return bt2.packet._Packet._create_from_ptr(packet_ptr) |
| 76 | |
| 77 | |
| 78 | class EndOfPacketNotification(_Notification): |
| 79 | def __init__(self, packet): |
| 80 | utils._check_type(packet, bt2.packet._Packet) |
| 81 | ptr = native_bt.notification_packet_end_create(packet._ptr) |
| 82 | |
| 83 | if ptr is None: |
| 84 | raise bt2.CreationError('cannot create end of packet notification object') |
| 85 | |
| 86 | super().__init__(ptr) |
| 87 | |
| 88 | @property |
| 89 | def packet(self): |
| 90 | packet_ptr = native_bt.notification_packet_end_get_packet(self._ptr) |
| 91 | utils._handle_ptr(packet_ptr, "cannot get end of packet notification object's packet object") |
| 92 | return bt2.packet._Packet._create_from_ptr(packet_ptr) |
| 93 | |
| 94 | |
| 95 | class EndOfStreamNotification(_Notification): |
| 96 | def __init__(self, stream): |
| 97 | utils._check_type(stream, bt2.stream._Stream) |
| 98 | ptr = native_bt.notification_stream_end_create(stream._ptr) |
| 99 | |
| 100 | if ptr is None: |
| 101 | raise bt2.CreationError('cannot create end of stream notification object') |
| 102 | |
| 103 | super().__init__(ptr) |
| 104 | |
| 105 | @property |
| 106 | def stream(self): |
| 107 | stream_ptr = native_bt.notification_stream_end_get_stream(self._ptr) |
| 108 | utils._handle_ptr(stream_ptr, "cannot get end of stream notification object's stream object") |
| 109 | return bt2.stream._create_from_ptr(stream_ptr) |
| 110 | |
| 111 | |
| 112 | class NewTraceNotification(_Notification): |
| 113 | def __init__(self, trace): |
| 114 | utils._check_type(trace, bt2.Trace) |
| 115 | ptr = native_bt.notification_new_trace_create(trace._ptr) |
| 116 | |
| 117 | if ptr is None: |
| 118 | raise bt2.CreationError('cannot create new trace notification object') |
| 119 | |
| 120 | super().__init__(ptr) |
| 121 | |
| 122 | @property |
| 123 | def trace(self): |
| 124 | trace_ptr = native_bt.notification_new_trace_get_trace(self._ptr) |
| 125 | utils._handle_ptr(trace_ptr, "cannot get new trace notification object's trace object") |
| 126 | return bt2.trace._create_from_ptr(trace_ptr) |
| 127 | |
| 128 | |
| 129 | class NewStreamClassNotification(_Notification): |
| 130 | def __init__(self, stream_class): |
| 131 | utils._check_type(stream_class, bt2.StreamClass) |
| 132 | ptr = native_bt.notification_new_stream_class_create(stream_class._ptr) |
| 133 | |
| 134 | if ptr is None: |
| 135 | raise bt2.CreationError('cannot create new stream class notification object') |
| 136 | |
| 137 | super().__init__(ptr) |
| 138 | |
| 139 | @property |
| 140 | def stream_class(self): |
| 141 | stream_class_ptr = native_bt.notification_new_stream_class_get_stream_class(self._ptr) |
| 142 | utils._handle_ptr(stream_class_ptr, "cannot get new stream class notification object's stream class object") |
| 143 | return bt2.stream_class.StreamClass._create_from_ptr(stream_class_ptr) |
| 144 | |
| 145 | |
| 146 | _NOTIF_TYPE_TO_CLS = { |
| 147 | native_bt.NOTIFICATION_TYPE_EVENT: TraceEventNotification, |
| 148 | native_bt.NOTIFICATION_TYPE_PACKET_BEGIN: BeginningOfPacketNotification, |
| 149 | native_bt.NOTIFICATION_TYPE_PACKET_END: EndOfPacketNotification, |
| 150 | native_bt.NOTIFICATION_TYPE_STREAM_END: EndOfStreamNotification, |
| 151 | native_bt.NOTIFICATION_TYPE_NEW_TRACE: NewTraceNotification, |
| 152 | native_bt.NOTIFICATION_TYPE_NEW_STREAM_CLASS: NewStreamClassNotification, |
| 153 | } |