| #!/usr/bin/env python3 |
| # |
| # Copyright 2022 The Fuchsia Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from antlion import base_test |
| from antlion.controllers.sniffer import Sniffer |
| |
| |
| class SnifferSanityTest(base_test.BaseTestClass): |
| def setup_class(self): |
| self._channels = [6, 44] |
| |
| # capture (sniff) for 30 seconds or 10 packets - whichever comes first |
| self._capture_sec = 30 |
| self._packet_count = 10 |
| |
| self._filter = {"tcpdump": "type mgt subtype beacon", |
| "tshark": "type mgt subtype beacon"} |
| |
| def test_sniffer_validation_using_with(self): |
| """Validate sniffer configuration & capture API using the 'with' clause. |
| |
| This is the standard example - this syntax should typically be used. |
| """ |
| index = 0 |
| for sniffer in self.sniffers: |
| for channel in self._channels: |
| with sniffer.start_capture( |
| override_configs={Sniffer.CONFIG_KEY_CHANNEL: channel}, |
| duration=self._capture_sec, |
| packet_count=self._packet_count): |
| self.log.info("Capture: %s", sniffer.get_capture_file()) |
| |
| def test_sniffer_validation_manual(self): |
| """Validate sniffer configuration & capture API using a manual/raw |
| API mechanism. |
| |
| The standard process should use a with clause. This demonstrates the |
| manual process which uses an explicit wait_for_capture() call. |
| Alternatively, could also use a sleep() + stop_capture() process |
| (though that mechanism won't terminate early if the capture is done). |
| """ |
| index = 0 |
| for sniffer in self.sniffers: |
| for channel in self._channels: |
| sniffer.start_capture( |
| override_configs={Sniffer.CONFIG_KEY_CHANNEL: channel}, |
| packet_count=self._packet_count) |
| self.log.info("Capture: %s", sniffer.get_capture_file()) |
| sniffer.wait_for_capture(timeout=self._capture_sec) |
| |
| def test_sniffer_validation_capture_3_beacons(self): |
| """Demonstrate the use of additional configuration. |
| """ |
| index = 0 |
| for sniffer in self.sniffers: |
| for channel in self._channels: |
| with sniffer.start_capture( |
| override_configs={Sniffer.CONFIG_KEY_CHANNEL: channel}, |
| duration=self._capture_sec, |
| packet_count=3, |
| additional_args=self._filter[sniffer.get_subtype()]): |
| self.log.info("Capture: %s", sniffer.get_capture_file()) |