1 # The MIT License (MIT)
3 # Copyright (c) 2016-2017 Philippe Proulx <pproulx@efficios.com>
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:
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
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
23 from bt2
import native_bt
, object, stream
, utils
30 class CtfWriterClock(object._Object
):
31 def __init__(self
, name
, description
=None, frequency
=None, precision
=None,
32 offset
=None, is_absolute
=None, uuid
=None):
33 utils
._check
_str
(name
)
34 ptr
= native_bt
.ctf_clock_create(name
)
37 raise bt2
.CreationError('cannot create CTF writer clock object')
41 if description
is not None:
42 self
.description
= description
44 if frequency
is not None:
45 self
.frequency
= frequency
47 if precision
is not None:
48 self
.precision
= precision
50 if offset
is not None:
53 if is_absolute
is not None:
54 self
.is_absolute
= is_absolute
59 def __eq__(self
, other
):
60 if type(self
) is not type(other
):
61 # not comparing apples to apples
64 if self
.addr
== other
.addr
:
85 return self_props
== other_props
88 return CtfWriterClock(name
=self
.name
, description
=self
.description
,
89 frequency
=self
.frequency
,
90 precision
=self
.precision
, offset
=self
.offset
,
91 is_absolute
=self
.is_absolute
, uuid
=self
.uuid
)
93 def __deepcopy__(self
, memo
):
100 name
= native_bt
.ctf_clock_get_name(self
._ptr
)
101 assert(name
is not None)
105 def description(self
):
106 description
= native_bt
.ctf_clock_get_description(self
._ptr
)
110 def description(self
, description
):
111 utils
._check
_str
(description
)
112 ret
= native_bt
.ctf_clock_set_description(self
._ptr
, description
)
113 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's description")
117 frequency
= native_bt
.ctf_clock_get_frequency(self
._ptr
)
118 assert(frequency
>= 1)
122 def frequency(self
, frequency
):
123 utils
._check
_uint
64(frequency
)
124 ret
= native_bt
.ctf_clock_set_frequency(self
._ptr
, frequency
)
125 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's frequency")
129 precision
= native_bt
.ctf_clock_get_precision(self
._ptr
)
130 assert(precision
>= 0)
134 def precision(self
, precision
):
135 utils
._check
_uint
64(precision
)
136 ret
= native_bt
.ctf_clock_set_precision(self
._ptr
, precision
)
137 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's precision")
141 ret
, offset_s
= native_bt
.ctf_clock_get_offset_s(self
._ptr
)
143 ret
, offset_cycles
= native_bt
.ctf_clock_get_offset(self
._ptr
)
145 return bt2
.ClockClassOffset(offset_s
, offset_cycles
)
148 def offset(self
, offset
):
149 utils
._check
_type
(offset
, bt2
.ClockClassOffset
)
150 ret
= native_bt
.ctf_clock_set_offset_s(self
._ptr
, offset
.seconds
)
151 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's offset (seconds)")
152 ret
= native_bt
.ctf_clock_set_offset(self
._ptr
, offset
.cycles
)
153 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's offset (cycles)")
156 def is_absolute(self
):
157 is_absolute
= native_bt
.ctf_clock_get_is_absolute(self
._ptr
)
158 assert(is_absolute
>= 0)
159 return is_absolute
> 0
162 def is_absolute(self
, is_absolute
):
163 utils
._check
_bool
(is_absolute
)
164 ret
= native_bt
.ctf_clock_set_is_absolute(self
._ptr
, int(is_absolute
))
165 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's absoluteness")
169 uuid_bytes
= native_bt
.ctf_clock_get_uuid(self
._ptr
)
170 assert(uuid_bytes
is not None)
171 return uuidp
.UUID(bytes
=uuid_bytes
)
174 def uuid(self
, uuid
):
175 utils
._check
_type
(uuid
, uuidp
.UUID
)
176 ret
= native_bt
.ctf_clock_set_uuid(self
._ptr
, uuid
.bytes
)
177 utils
._handle
_ret
(ret
, "cannot set CTF writer clock object's UUID")
179 def _time(self
, time
):
180 utils
._check
_int
64(time
)
181 ret
= native_bt
.ctf_clock_set_time(self
._ptr
, time
)
183 time
= property(fset
=_time
)
186 class _CtfWriterStream(stream
._StreamBase
):
188 def discarded_events_count(self
):
189 ret
, count
= native_bt
.ctf_stream_get_discarded_events_count(self
._ptr
)
190 utils
._handle
_ret
(ret
, "cannot get CTF writer stream object's discarded events count")
193 def append_discarded_events(self
, count
):
194 utils
._check
_uint
64(count
)
195 native_bt
.ctf_stream_append_discarded_events(self
._ptr
, count
)
197 def append_event(self
, event
):
198 utils
._check
_type
(event
, bt2
.event
._Event
)
199 ret
= native_bt
.ctf_stream_append_event(self
._ptr
, event
._ptr
)
200 utils
._handle
_ret
(ret
, 'cannot append event object to CTF writer stream object')
203 ret
= native_bt
.ctf_stream_flush(self
._ptr
)
204 utils
._handle
_ret
(ret
, 'cannot flush CTF writer stream object')
207 def packet_header_field(self
):
208 field_ptr
= native_bt
.ctf_stream_get_packet_header(self
._ptr
)
210 if field_ptr
is None:
213 return fields
._create
_from
_ptr
(field_ptr
)
215 @packet_header_field.setter
216 def packet_header_field(self
, packet_header_field
):
217 packet_header_field_ptr
= None
219 if packet_header_field
is not None:
220 utils
._check
_type
(packet_header_field
, fields
._Field
)
221 packet_header_field_ptr
= packet_header_field
._ptr
223 ret
= native_bt
.ctf_stream_set_packet_header(self
._ptr
,
224 packet_header_field_ptr
)
225 utils
._handle
_ret
(ret
, "cannot set CTF writer stream object's packet header field")
228 def packet_context_field(self
):
229 field_ptr
= native_bt
.ctf_stream_get_packet_context(self
._ptr
)
231 if field_ptr
is None:
234 return fields
._create
_from
_ptr
(field_ptr
)
236 @packet_context_field.setter
237 def packet_context_field(self
, packet_context_field
):
238 packet_context_field_ptr
= None
240 if packet_context_field
is not None:
241 utils
._check
_type
(packet_context_field
, fields
._Field
)
242 packet_context_field_ptr
= packet_context_field
._ptr
244 ret
= native_bt
.ctf_stream_set_packet_context(self
._ptr
,
245 packet_context_field_ptr
)
246 utils
._handle
_ret
(ret
, "cannot set CTF writer stream object's packet context field")
248 def __eq__(self
, other
):
249 if type(other
) is not type(self
):
252 if self
.addr
== other
.addr
:
255 if not _StreamBase
.__eq
__(self
, other
):
259 self
.discarded_events_count
,
260 self
.packet_header_field
,
261 self
.packet_context_field
,
264 other
.discarded_events_count
,
265 other
.packet_header_field
,
266 other
.packet_context_field
,
268 return self_props
== other_props
270 def _copy(self
, copy_func
):
271 cpy
= self
.stream_class(self
.name
)
272 cpy
.append_discarded_events(self
.discarded_events_count
)
273 cpy
.packet_header_field
= copy_func(self
.packet_header_field
)
274 cpy
.packet_context_field
= copy_func(self
.packet_context_field
)
278 return self
._copy
(copy
.copy
)
280 def __deepcopy__(self
, memo
):
281 cpy
= self
._copy
(copy
.deepcopy
)
286 class CtfWriter(object._Object
):
287 def __init__(self
, path
):
288 utils
._check
_str
(path
)
289 ptr
= native_bt
.ctf_writer_create(path
)
292 raise bt2
.CreationError('cannot create CTF writer object')
294 super().__init
__(ptr
)
298 trace_ptr
= native_bt
.ctf_writer_get_trace(self
._ptr
)
300 return bt2
.Trace
._create
_from
_ptr
(trace_ptr
)
303 def metadata_string(self
):
304 metadata_string
= native_bt
.ctf_writer_get_metadata_string(self
._ptr
)
305 assert(metadata_string
is not None)
306 return metadata_string
308 def flush_metadata(self
):
309 native_bt
.ctf_writer_flush_metadata(self
._ptr
)
311 def add_clock(self
, clock
):
312 utils
._check
_type
(clock
, CtfWriterClock
)
313 ret
= native_bt
.ctf_writer_add_clock(self
._ptr
, clock
._ptr
)
314 utils
._handle
_ret
(ret
, 'cannot add CTF writer clock object to CTF writer object')
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