+++ /dev/null
-#!/usr/bin/env python3
-# ctf_writer.py
-#
-# Babeltrace CTF Writer example script.
-#
-# Copyright 2013 EfficiOS Inc.
-#
-# Author: Jérémie Galarneau <jeremie.galarneau@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 sys
-import tempfile
-import babeltrace.writer as btw
-
-
-trace_path = tempfile.mkdtemp()
-
-print("Writing trace at {}".format(trace_path))
-writer = btw.Writer(trace_path)
-
-clock = btw.Clock("A_clock")
-print("Clock name is \"{}\"".format(clock.name))
-clock.description = "Simple clock"
-print("Clock description is \"{}\"".format(clock.description))
-print("Clock frequency is {}".format(clock.frequency))
-print("Clock precision is {}".format(clock.precision))
-print("Clock offset_seconds is {}".format(clock.offset_seconds))
-print("Clock offset is {}".format(clock.offset))
-print("Clock is absolute: {}".format(clock.absolute))
-print("Clock time is {}".format(clock.time))
-print("Clock UUID is {}".format(clock.uuid))
-
-writer.add_clock(clock)
-writer.add_environment_field("Python_version", str(sys.version_info))
-
-stream_class = btw.StreamClass("test_stream")
-stream_class.clock = clock
-
-event_class = btw.EventClass("SimpleEvent")
-
-# Create a int32_t equivalent type
-int32_type = btw.IntegerFieldDeclaration(32)
-int32_type.signed = True
-
-# Create a uint16_t equivalent type
-uint16_type = btw.IntegerFieldDeclaration(16)
-uint16_type.signed = False
-
-# Add a custom uint16_t field in the stream's packet context
-packet_context_type = stream_class.packet_context_type
-print("\nFields in default packet context:")
-for field in packet_context_type.fields:
- print(str(type(field[1])) + " " + field[0])
-packet_context_type.add_field(uint16_type, "a_custom_packet_context_field")
-stream_class.packet_context_type = packet_context_type
-
-# Create a string type
-string_type = btw.StringFieldDeclaration()
-
-# Create a structure type containing both an integer and a string
-structure_type = btw.StructureFieldDeclaration()
-structure_type.add_field(int32_type, "an_integer")
-structure_type.add_field(string_type, "a_string_field")
-event_class.add_field(structure_type, "structure_field")
-
-# Create a floating point type
-floating_point_type = btw.FloatFieldDeclaration()
-floating_point_type.exponent_digits = btw.FloatFieldDeclaration.FLT_EXP_DIG
-floating_point_type.mantissa_digits = btw.FloatFieldDeclaration.FLT_MANT_DIG
-event_class.add_field(floating_point_type, "float_field")
-
-# Create an enumeration type
-int10_type = btw.IntegerFieldDeclaration(10)
-enumeration_type = btw.EnumerationFieldDeclaration(int10_type)
-enumeration_type.add_mapping("FIRST_ENTRY", 0, 4)
-enumeration_type.add_mapping("SECOND_ENTRY", 5, 5)
-enumeration_type.add_mapping("THIRD_ENTRY", 6, 10)
-event_class.add_field(enumeration_type, "enum_field")
-
-# Create an array type
-array_type = btw.ArrayFieldDeclaration(int10_type, 5)
-event_class.add_field(array_type, "array_field")
-
-# Create a sequence type
-sequence_type = btw.SequenceFieldDeclaration(int32_type, "sequence_len")
-event_class.add_field(uint16_type, "sequence_len")
-event_class.add_field(sequence_type, "sequence_field")
-
-stream_class.add_event_class(event_class)
-stream = writer.create_stream(stream_class)
-
-for i in range(100):
- event = btw.Event(event_class)
-
- clock.time = i * 1000
- structure_field = event.payload("structure_field")
- integer_field = structure_field.field("an_integer")
- integer_field.value = i
-
- string_field = structure_field.field("a_string_field")
- string_field.value = "Test string."
-
- float_field = event.payload("float_field")
- float_field.value = float(i) + (float(i) / 100.0)
-
- array_field = event.payload("array_field")
- for j in range(5):
- element = array_field.field(j)
- element.value = i + j
-
- event.payload("sequence_len").value = i % 10
- sequence_field = event.payload("sequence_field")
- sequence_field.length = event.payload("sequence_len")
- for j in range(event.payload("sequence_len").value):
- sequence_field.field(j).value = i + j
-
- enumeration_field = event.payload("enum_field")
- integer_field = enumeration_field.container
- enumeration_field.value = i % 10
-
- stream.append_event(event)
-
-# Populate custom packet context field before flushing
-packet_context = stream.packet_context
-field = packet_context.field("a_custom_packet_context_field")
-field.value = 42
-
-stream.flush()
projects / babeltrace.git / blobdiff