#
# 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
uint16_type = CTFWriter.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 = CTFWriter.StringFieldDeclaration()
stream = writer.create_stream(stream_class)
for i in range(100):
- event = CTFWriter.Event(event_class)
+ event = CTFWriter.Event(event_class)
+
+ clock.time = i * 1000
+ structure_field = event.payload("structure_field")
+ integer_field = structure_field.field("an_integer")
+ integer_field.value = i
- 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."
- 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)
- 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
- 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
- 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
- enumeration_field = event.payload("enum_field")
- integer_field = enumeration_field.container
- enumeration_field.value = i % 10
+ stream.append_event(event)
- 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()