ROLLOUT 3 · XKNX/xknx
xknx__xknx-1227
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System instructions 4,822 characters
You are a principal Python software engineer resolving a repository issue in `/workspace`. Your sole objective is to produce a minimal, root-cause source patch that passes every hidden fail-to-pass and pass-to-pass regression test on the first grading run. ## Critical Environment & Grader Rules 1. **Air-Gapped Sandbox & Available CLI Tools**: No network access. Never run `pip`, `uv`, `conda`, or `git fetch`. Note: `rg` (`ripgrep`) is NOT installed in the container — always use `grep -rn --include="*.py"` for fast exact searches so you never waste a tool call on `command not found`. 2. **Protected Grading Paths**: Before running official verification, the grading harness **strips and reverts all changes** to `tests/`, `test/`, `testing/`, `test_*.py`, `*_test.py`, `conftest.py`, `pyproject.toml`, `setup.cfg`, `pytest.ini`, and `tox.ini`. Every part of your fix MUST reside in non-test production source files. 3. **Untracked File Trap (`git add -N .`)**: `submit_patch` stages ALL untracked files inside `/workspace`! Never leave reproduction or scratch files inside `/workspace` — run reproductions inline via `python3 - <<'PY'` or inside `/tmp/repro.py` in a single `run_command`. 4. **Stdout Truncation Rule**: `run_command` truncates stdout after the first 5,000 characters from the TOP. Always run pytest quietly with short tracebacks: `pytest path/to/test_file.py -k pattern -q --tb=short --no-header` If a test file is large, redirect output to `/tmp/pytest.log` and inspect `tail -n 80 /tmp/pytest.log` so failure tracebacks at the bottom are never cut off. 5. **Strict Pacing Discipline**: `get_status` and `submit_patch` are free and do NOT count toward `max_tool_calls`. Target **16-22 counted tool calls total**, and **begin your first `edit_file` change no later than tool call 15**. Reserve at least 4 calls for verification, `git status --short && git diff`, and submission. ## Execution Protocol ### Phase 1 — Pinpoint Code & Tests Immediately (1-2 tool calls) - The user message already contains `Workspace Layout` — do NOT waste a turn running `ls` on top-level directories. - Run a single compound `run_command` with `grep -rn --include="*.py"` to locate: (a) the exact symbols, error strings, or functions from the problem description, (b) **all parallel or sibling implementations** (for example sync + async variants, `Client` + `AsyncClient`, serializer + deserializer, multiple backends/dialects, base + subclass methods, `__init__.py` / `__all__` exports), and (c) the closest existing unit test files under `tests/`. ### Phase 2 — Deep Read & Spec Anchor (2-5 tool calls) - Use `read_file` with generous `start_line` and `end_line` windows (180-300 lines per call so you read whole modules in fewer calls) on the target function/class, callers, type annotations, and neighboring tests. - Before editing, verify every explicit and implicit requirement from the issue: exact parameter names, defaults, boundary/domain edge cases, exception types/messages, `None` vs empty collection vs falsy (`0`, `False`, `""`) semantics, mutability/copying, and return types. ### Phase 3 — Reproduce Bug in One Call (1 tool call) - Run ONE concise command (`python3 - <<'PY' ... PY` or targeted `pytest ... -q --tb=short --no-header`) via `run_command` to observe the exact pre-fix failure. Do NOT spend multiple tool calls writing separate reproduction scripts. ### Phase 4 — Surgical Implementation Across All Parallel Paths (1-4 tool calls) - Begin editing by tool call 15! Use `edit_file` with 4-6 lines of exact surrounding context copied from `read_file`. - Update ALL parallel codepaths (sync/async, multiple classes/dialects, type hints) consistently so partial fixes do not fail sibling tests. - **2-Strike Edit Rule**: If `edit_file` fails twice on the same block due to whitespace or escaping, do not retry `edit_file` a third time — apply an atomic Python transformation via `run_command` and immediately verify `python3 -m py_compile path/to/file.py`. ### Phase 5 — Edge-Case Verification, Diff Hygiene & Clean Exit (2-4 tool calls) - Run a single compound `run_command` testing both your reproduction + boundary edge cases (`None`, empty input, leading/trailing delimiters, subdomain/prefix boundaries, subclass/async parity) AND the relevant existing `pytest` module(s) with `-q --tb=short --no-header`. - Run `git status --short && git diff` via `run_command`. Confirm: - ZERO untracked (`??`) files in `/workspace` (`rm -f` any untracked workspace files immediately), - ZERO modifications to `tests/` or protected config files (`git checkout -- tests/` if touched), - Minimal, clean diff with valid imports and indentation. - Call `submit_patch` once verification passes, then respond with a brief 2-sentence plain-text summary and make NO further tool calls.
Task prompt 9,966 characters
You are evaluating a software engineering task for repository XKNX/xknx.
Problem Statement:
2.6.0 filters telegrams from KNX gateway/tunnel device itself
**Description of problem:**
Since xknx 2.6.0, xknx no longer recieves/processes telegrams originating from the KNX gateway itself.
A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)
Other telegrams from the KNX/TP bus are received fine through the gateway.
- [X] using xknx standalone
- [X] using Home-Assistant knx integration
**Version information:**
- xknx / Home-Assistant release with the issue: xknx 2.6.0
- last working xknx / Home-Assistant release (if known): xknx 2.5.0
**KNX installation:**
Using a SE SpaceLYnk gateway, with a modbus based power meter connected. The gateway exposes the modbus data via KNX address 1/1/4 as a 4byte_float.
Other devices connected to the gateway over KNX/TP are unaffected by the update to 2.6.0 and still work.
Using https://github.com/XKNX/xknx/blob/main/examples/example_telegram_monitor.py to compare the versons.
With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't.
Adding debug logging to the same script shows the frames being recieved, but ignored on 2.6.0:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This change seems to be related to this commit:
https://github.com/XKNX/xknx/commit/996697ae8cce878aadfcbd95833b1fde3367008a
Is there a reason for these frames now being ignored? Is it possible to roll back this change?
## Task Budget (Session terminates when any budget is exhausted)
- Time allowance: 7.5 minutes
- Tool calls allowance: 30 calls
- Max loop iterations: 40 turns
## Execution Environment Rules
- Single command timeout: 90 seconds (commands exceeding this fail without ending the session)
- Command output limit: 5000 characters
- File view limit: 150 lines per read_file call
- File character limit: 10000 characters per read_file call
- Environment is offline (no network/PyPI access). All repository and test dependencies are ALREADY pre-installed. Do NOT attempt to run pip install or download packages.
## Instructions:
0. All source code is under `/workspace`. Do NOT search outside `/workspace` (e.g. `/usr/`, `/wheels/`, system site-packages). If imports fail, the issue is in the source code under `/workspace`, not in missing system packages.
1. Analyze the problem statement and any provided hints carefully to identify all requested script paths, CLI subcommands, or Python modules.
2. Inspect existing codebase conventions and test files before making edits.
3. Verify your implementation using targeted tests or inline assertions before submitting.
4. Call submit_patch only after your implementation is complete and verified.
5. As your final action, you must return a text-only response reporting your completion to terminate the session.
## Workspace Layout
The repository is located at `/workspace`. Here is the directory tree (up to 3 levels):
```
./LICENSE
./MANIFEST.in
./README.md
./changelog.md
./docs
./examples
./pyproject.toml
./requirements
./requirements/production.txt
./requirements/testing.txt
./script
./script/run-in-env.sh
./script/sensor_table_generator.py
./setup.cfg
./setup.py
./test
./test/__init__.py
./test/cemi_tests
./test/cemi_tests/cemi_frame_test.py
./test/cemi_tests/cemi_handler_test.py
./test/conftest.py
./test/core_tests
./test/core_tests/connection_manager_test.py
./test/core_tests/exceptions_test.py
./test/core_tests/state_updater_test.py
./test/core_tests/task_registry_test.py
./test/core_tests/telegram_queue_test.py
./test/core_tests/value_reader_test.py
./test/devices_tests
./test/devices_tests/binary_sensor_test.py
./test/devices_tests/climate_test.py
./test/devices_tests/cover_test.py
./test/devices_tests/datetime_test.py
./test/devices_tests/device_test.py
./test/devices_tests/devices_test.py
./test/devices_tests/expose_sensor_test.py
./test/devices_tests/fan_test.py
./test/devices_tests/light_test.py
./test/devices_tests/notification_test.py
./test/devices_tests/numeric_value_test.py
./test/devices_tests/raw_value_test.py
./test/devices_tests/scene_test.py
./test/devices_tests/sensor_expose_loop_test.py
./test/devices_tests/sensor_test.py
./test/devices_tests/switch_test.py
./test/devices_tests/travelcalculator_test.py
./test/devices_tests/weather_test.py
./test/dpt_tests
./test/dpt_tests/dpt_1byte_signed_test.py
./test/dpt_tests/dpt_1byte_uint_test.py
./test/dpt_tests/dpt_2byte_signed_test.py
./test/dpt_tests/dpt_2byte_uint_test.py
./test/dpt_tests/dpt_4bit_control_test.py
./test/dpt_tests/dpt_4byte_int_test.py
./test/dpt_tests/dpt_color_test.py
./test/dpt_tests/dpt_date_test.py
./test/dpt_tests/dpt_datetime_test.py
./test/dpt_tests/dpt_float_test.py
./test/dpt_tests/dpt_hvac_mode_test.py
./test/dpt_tests/dpt_lookup_test.py
./test/dpt_tests/dpt_scaling_test.py
./test/dpt_tests/dpt_scene_number_test.py
./test/dpt_tests/dpt_string_test.py
./test/dpt_tests/dpt_test.py
./test/dpt_tests/dpt_time_test.py
./test/io_tests
./test/io_tests/connection_test.py
./test/io_tests/gateway_scanner_test.py
./test/io_tests/knxip_interface_test.py
./test/io_tests/request_response_tests
./test/io_tests/resources
./test/io_tests/routing_test.py
./test/io_tests/secure_group_test.py
./test/io_tests/secure_session_test.py
./test/io_tests/self_description_test.py
./test/io_tests/transport_tests
./test/io_tests/tunnel_test.py
./test/knxip_tests
./test/knxip_tests/body_test.py
./test/knxip_tests/connect_request_test.py
./test/knxip_tests/connect_response_test.py
./test/knxip_tests/connectionstate_request_test.py
./test/knxip_tests/connectionstate_response_test.py
./test/knxip_tests/description_request_test.py
./test/knxip_tests/description_response_test.py
./test/knxip_tests/device_configuration_ack_test.py
./test/knxip_tests/device_configuration_request_test.py
./test/knxip_tests/dib_test.py
./test/knxip_tests/disconnect_request_test.py
./test/knxip_tests/disconnect_response_test.py
./test/knxip_tests/header_test.py
./test/knxip_tests/hpai_test.py
./test/knxip_tests/knxip_test.py
./test/knxip_tests/routing_busy_test.py
./test/knxip_tests/routing_indication_test.py
./test/knxip_tests/routing_lost_message_test.py
./test/knxip_tests/search_request_extended_test.py
./test/knxip_tests/search_request_test.py
./test/knxip_tests/search_response_extended_test.py
./test/knxip_tests/search_response_test.py
./test/knxip_tests/secure_wrapper_test.py
./test/knxip_tests/session_authenticate_test.py
./test/knxip_tests/session_request_test.py
./test/knxip_tests/session_response_test.py
./test/knxip_tests/session_status_test.py
./test/knxip_tests/srp_test.py
./test/knxip_tests/timer_notify_test.py
./test/knxip_tests/tunnelling_ack_test.py
./test/knxip_tests/tunnelling_request_test.py
./test/management_tests
./test/management_tests/management_test.py
./test/management_tests/procedures_test.py
./test/remote_value_tests
./test/remote_value_tests/remote_value_1count_test.py
./test/remote_value_tests/remote_value_climate_mode_test.py
./test/remote_value_tests/remote_value_color_rgb_test.py
./test/remote_value_tests/remote_value_color_rgbw_test.py
./test/remote_value_tests/remote_value_color_xyy_test.py
./test/remote_value_tests/remote_value_control_test.py
./test/remote_value_tests/remote_value_datetime_test.py
./test/remote_value_tests/remote_value_dpt_2_byte_unsigned_test.py
./test/remote_value_tests/remote_value_dpt_value_1_ucount_test.py
./test/remote_value_tests/remote_value_raw_test.py
./test/remote_value_tests/remote_value_scaling_test.py
./test/remote_value_tests/remote_value_scene_number_test.py
./test/remote_value_tests/remote_value_sensor_test.py
./test/remote_value_tests/remote_value_setepoint_shift_test.py
./test/remote_value_tests/remote_value_step_test.py
./test/remote_value_tests/remote_value_string_test.py
./test/remote_value_tests/remote_value_switch_test.py
./test/remote_value_tests/remote_value_temp_test.py
./test/remote_value_tests/remote_value_test.py
./test/remote_value_tests/remote_value_updown_test.py
./test/secure_tests
./test/secure_tests/data_secure_test.py
./test/secure_tests/ip_secure_test.py
./test/secure_tests/keyring_test.py
./test/secure_tests/resources
./test/secure_tests/util_test.py
./test/str_test.py
./test/telegram_tests
./test/telegram_tests/address_filter_test.py
./test/telegram_tests/address_test.py
./test/telegram_tests/apci_test.py
./test/telegram_tests/telegram_test.py
./test/telegram_tests/tpci_test.py
./test/tools_tests
./test/tools_tests/tools_test.py
./test/xknx_test.py
./tox.ini
./xknx
./xknx/__init__.py
./xknx/__version__.py
./xknx/cemi
./xknx/cemi/__init__.py
./xknx/cemi/cemi_frame.py
./xknx/cemi/cemi_handler.py
./xknx/cemi/const.py
./xknx/core
./xknx/core/__init__.py
./xknx/core/connection_manager.py
./xknx/core/connection_state.py
./xknx/core/state_updater.py
./xknx/core/task_registry.py
./xknx/core/telegram_queue.py
./xknx/core/value_reader.py
./xknx/devices
./xknx/devices/__init__.py
./xknx/devices/binary_sensor.py
./xknx/devices/climate.py
./xknx/devices/climate_mode.py
./xknx/devices/cover.py
./xknx/devices/datetime.py
./xknx/devices/device.py
./xknx/devices/devices.py
./xknx/devices/expose_sensor.py
./xknx/devices/fan.py
./xknx/devices/light.py
./xknx/devices/notification.py
./xknx/devices/numeric_value.py
./xknx/devices/raw_value.py
./xknx/devices/scene.py
./xknx/devices/sensor.py
./xknx/devices/switch.py
./xknx/devices/travelcalculator.py
./xknx/devices/weather.py
./xknx/dpt
./xknx/dpt/__init__.py
./xknx/dpt/dpt.py
./xknx/exceptions
./xknx/io
./xknx/knxip
./xknx/management
./xknx/profile
./xknx/py.typed
./xknx/remote_value
./xknx/secure
./xknx/telegram
./xknx/tools
./xknx/xknx.py
```
Turn 1at 36 s293 tokens out5,660 prompt tokens
The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway itself are being ignored.
The provided debug log shows:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This suggests that `xknx.cemi` is filtering out frames where the `src_addr` matches what it considers to be "its own CEMI".
The user specifically mentions a commit that might be responsible: `996697ae8cce878aadfcbd95833b1fde3367008a`.
Let's start by searching for the string "Ignoring own CEMI" in the codebase.
TOOL CALL · run_command
{
"command": "grep -rn --include=\"*.py\" \"Ignoring own CEMI\" ."
}Result of run_command 151 characters
{
"status": "ok",
"stdout": "./xknx/cemi/cemi_handler.py:126: logger.debug(\"Ignoring own CEMI: %s\", cemi)\n",
"stderr": "",
"exit_code": 0
}Generated tokens 293 tokens · stopped: STOP
<|channel>thought
The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway itself are being ignored.
The provided debug log shows:
`DEBUG:xknx.cemi:Ignoring own CEMI: <CEMIFrame code="L_DATA_IND" src_addr="IndividualAddress("1.1.255")" dst_addr="GroupAddress("1/1/4")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0xbe,0xa5,0xbb,0xb8]" />" />" />`
This suggests that `xknx.cemi` is filtering out frames where the `src_addr` matches what it considers to be "its own CEMI".
The user specifically mentions a commit that might be responsible: `996697ae8cce878aadfcbd95833b1fde3367008a`.
Let's start by searching for the string "Ignoring own CEMI" in the codebase.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn --include="*.py" "Ignoring own CEMI" .<|"|>}<tool_call|><|tool_response>
Turn 2at 43 s82 tokens out6,028 prompt tokens
The log message is in `xknx/cemi/cemi_handler.py` at line 126. Let's examine the code around that line.
TOOL CALL · read_file
{
"end_line": 150,
"filepath": "xknx/cemi/cemi_handler.py",
"start_line": 100
}Result of read_file 2,461 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"content": " logger.info(\"CEMI not supported: %s\", unsupported_cemi_err)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n self.handle_cemi_frame(cemi)\n\n def handle_cemi_frame(self, cemi: CEMIFrame) -> None:\n \"\"\"Handle incoming CEMI Frames.\"\"\"\n if not isinstance(cemi.data, CEMILData):\n logger.debug(\"Ignoring incoming non-link-layer CEMI: %s\", cemi)\n return\n\n if cemi.code is CEMIMessageCode.L_DATA_CON:\n # L_DATA_CON confirmation frame signals ready to send next telegram\n self._l_data_confirmation_event.set()\n logger.debug(\"Incoming CEMI confirmation: %s\", cemi)\n return\n if cemi.code is CEMIMessageCode.L_DATA_REQ:\n # L_DATA_REQ frames should only be outgoing.\n logger.warning(\"Received unexpected L_DATA_REQ frame: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n logger.debug(\"Incoming CEMI: %s\", cemi)\n\n if self.data_secure is not None:\n try:\n cemi.data = self.data_secure.received_cemi(cemi_data=cemi.data)\n except DataSecureError as err:\n data_secure_logger.log(\n err.log_level,\n \"Could not decrypt CEMI frame: %s\",\n err,\n )\n return\n self.xknx.connection_manager.cemi_count_incoming += 1\n telegram = cemi.data.telegram()\n telegram.direction = TelegramDirection.INCOMING\n self.telegram_received(telegram)\n\n def telegram_received(self, telegram: Telegram) -> None:\n \"\"\"Forward Telegram to upper layer.\"\"\"\n if isinstance(telegram.tpci, tpci.TDataGroup):\n self.xknx.telegrams.put_nowait(telegram)\n return",
"start_line": 100,
"end_line": 150,
"total_lines": 156,
"is_truncated": false
}Generated tokens 82 tokens · stopped: STOP
The log message is in `xknx/cemi/cemi_handler.py` at line 126.
Let's examine the code around that line.<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>,start_line:100,end_line:150}<tool_call|><|tool_response>
Turn 3at 85 s623 tokens out6,845 prompt tokens
The relevant part is:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
The code is ignoring `L_DATA_IND` frames if the source address matches `self.xknx.current_address`.
The problem description says that a RTU modbus device is connected directly to the gateway, and packets originate from the gateway itself (address 1.1.255). It seems the `current_address` of the xknx instance is configured as 1.1.255, so these packets are ignored.
If the gateway itself sends telegrams, they should probably not be ignored if they are intended for the system.
Wait, if the gateway is acting as a device, and we've configured xknx with the same address as the gateway, it thinks it's receiving its own sent packets (which can happen with some KNX IP interfaces/tunnels).
However, the user says "Other telegrams from the KNX/TP bus are received fine through the gateway", and "With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't."
If I look at the comment: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`, it seems this was added to prevent loops or processing echoed packets.
If the user's gateway is address 1.1.255, and they've configured `xknx` to use 1.1.255, then any telegram sent by the gateway with src_addr 1.1.255 will be ignored.
The issue is that the Modbus device is connected to the gateway, and the gateway sends the Modbus data as if it came from itself.
Let's see if there's a way to disable this filtering, or if it should be removed.
If I remove this check, will it cause problems for other users?
The comment says "may occur form routing".
Let's create a reproduction test.
I need to mock `self.xknx.current_address` and `cemi.data.src_addr`.
I'll look at `test/cemi_tests/cemi_handler_test.py`.
TOOL CALL · read_file
{
"filepath": "test/cemi_tests/cemi_handler_test.py"
}Result of read_file 5,497 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": "\"\"\"Test for CEMIHandler.\"\"\"\nimport asyncio\nfrom unittest.mock import AsyncMock, patch\n\nimport pytest\n\nfrom xknx import XKNX\nfrom xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode\nfrom xknx.dpt import DPTArray\nfrom xknx.exceptions import ConfirmationError\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci\n\n\nasync def test_wait_for_l2_confirmation(time_travel):\n \"\"\"Test waiting for L_DATA.con before sending another L_DATA.req.\"\"\"\n xknx = XKNX()\n xknx.knxip_interface = AsyncMock()\n\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n )\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_REQ,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n test_cemi_confirmation = CEMIFrame(\n code=CEMIMessageCode.L_DATA_CON,\n data=CEMILData.init_from_telegram(\n test_telegram,\n ),\n )\n task = asyncio.create_task(xknx.cemi_handler.send_telegram(test_telegram))\n await time_travel(0)\n xknx.knxip_interface.send_cemi.assert_called_once_with(test_cemi)\n assert xknx.connection_manager.cemi_count_outgoing == 0\n\n assert not task.done()\n xknx.cemi_handler.handle_cemi_frame(test_cemi_confirmation)\n await time_travel(0)\n assert task.done()\n await task\n assert xknx.connection_manager.cemi_count_outgoing == 1\n assert xknx.connection_manager.cemi_count_outgoing_error == 0\n\n # no L_DATA.con received -> raise ConfirmationError\n xknx.knxip_interface.send_cemi.reset_mock()\n task = asyncio.create_task(xknx.cemi_handler.send_telegram(test_telegram))\n await time_travel(0)\n xknx.knxip_interface.send_cemi.assert_called_once_with(test_cemi)\n with pytest.raises(ConfirmationError):\n await time_travel(3)\n assert task.done()\n await task\n assert xknx.connection_manager.cemi_count_outgoing == 1\n assert xknx.connection_manager.cemi_count_outgoing_error == 1\n\n\ndef test_incoming_cemi():\n \"\"\"Test incoming CEMI.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.1\")\n\n # TDataGroup Telegram\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n )\n test_group_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_group_cemi)\n assert xknx.telegrams.qsize() == 1\n\n # L_DATA_CON and L_DATA_REQ should not be forwarded to the telegram queue or management\n with patch.object(xknx.cemi_handler, \"telegram_received\") as mock_telegram_received:\n test_incoming_l_data_con = CEMIFrame(\n code=CEMIMessageCode.L_DATA_CON,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_incoming_l_data_con)\n mock_telegram_received.assert_not_called()\n\n test_incoming_l_data_req = CEMIFrame(\n code=CEMIMessageCode.L_DATA_REQ,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_incoming_l_data_req)\n mock_telegram_received.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming == 1\n\n\n@pytest.mark.parametrize(\n \"telegram\",\n [\n Telegram(\n destination_address=GroupAddress(0),\n tpci=tpci.TDataBroadcast(),\n ),\n Telegram(\n destination_address=IndividualAddress(\"1.1.1\"),\n tpci=tpci.TConnect(),\n ),\n Telegram(\n destination_address=IndividualAddress(\"1.1.1\"),\n tpci=tpci.TDataIndividual(),\n ),\n ],\n)\ndef test_incoming_management_telegram(telegram):\n \"\"\"Test incoming management CEMI.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.1\")\n\n with patch.object(xknx.management, \"process\") as mock_management_process:\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(telegram),\n )\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n mock_management_process.assert_called_once()\n assert xknx.telegrams.qsize() == 0\n assert xknx.connection_manager.cemi_count_incoming == 1\n\n\n@pytest.mark.parametrize(\n \"raw\",\n [\n # <CouldNotParseCEMI description=\"CEMI too small. Length: 9; CEMI: 2900b06010fa10ff00\" />\n # communication_channel_id: 0x02 sequence_counter: 0x81\n bytes.fromhex(\"2900b06010fa10ff00\"),\n ],\n)\ndef test_invalid_cemi(raw):\n \"\"\"Test incoming invalid CEMI Frames.\"\"\"\n xknx = XKNX()\n\n with patch(\"logging.Logger.warning\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"\n ) as mock_handle_cemi_frame:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_info.assert_called_once()\n mock_handle_cemi_frame.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1\n\n\n@pytest.mark.parametrize(\n \"raw\",\n [",
"start_line": 1,
"end_line": 150,
"total_lines": 182,
"is_truncated": true
}Generated tokens 623 tokens · stopped: STOP
The relevant part is:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
The code is ignoring `L_DATA_IND` frames if the source address matches `self.xknx.current_address`.
The problem description says that a RTU modbus device is connected directly to the gateway, and packets originate from the gateway itself (address 1.1.255). It seems the `current_address` of the xknx instance is configured as 1.1.255, so these packets are ignored.
If the gateway itself sends telegrams, they should probably not be ignored if they are intended for the system.
Wait, if the gateway is acting as a device, and we've configured xknx with the same address as the gateway, it thinks it's receiving its own sent packets (which can happen with some KNX IP interfaces/tunnels).
However, the user says "Other telegrams from the KNX/TP bus are received fine through the gateway", and "With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't."
If I look at the comment: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`, it seems this was added to prevent loops or processing echoed packets.
If the user's gateway is address 1.1.255, and they've configured `xknx` to use 1.1.255, then any telegram sent by the gateway with src_addr 1.1.255 will be ignored.
The issue is that the Modbus device is connected to the gateway, and the gateway sends the Modbus data as if it came from itself.
Let's see if there's a way to disable this filtering, or if it should be removed.
If I remove this check, will it cause problems for other users?
The comment says "may occur form routing".
Let's create a reproduction test.
I need to mock `self.xknx.current_address` and `cemi.data.src_addr`.
I'll look at `test/cemi_tests/cemi_handler_test.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>}<tool_call|><|tool_response>
Turn 4at 130 s639 tokens out9,339 prompt tokens
I see `test_incoming_cemi` in `test/cemi_tests/cemi_handler_test.py`. It currently tests that a valid incoming CEMI is forwarded.
Let's write a reproduction script that mimics the user's scenario:
1. Create an `XKNX` instance with `current_address = IndividualAddress("1.1.255")`.
2. Create a `CEMIFrame` with `L_DATA_IND` and `src_addr = IndividualAddress("1.1.255")`.
3. Call `handle_cemi_frame` and check if it's ignored.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom xknx import XKNX\nfrom xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci\nfrom xknx.dpt import DPTArray\n\ndef repro():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),\n )\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n # Override src_addr because init_from_telegram might use default if not provided in Telegram\n test_cemi.data.src_addr = IndividualAddress(\"1.1.255\")\n \n print(f\"Current address: {xknx.current_address}\")\n print(f\"CEMI src_addr: {test_cemi.data.src_addr}\")\n \n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n print(f\"Telegrams queue size: {xknx.telegrams.qsize()}\")\n print(f\"CEMI count incoming: {xknx.connection_manager.cemi_count_incoming}\")\n print(f\"CEMI count incoming error: {xknx.connection_manager.cemi_count_incoming_error}\")\n\n if xknx.telegrams.qsize() == 0 and xknx.connection_manager.cemi_count_incoming_error == 1:\n print(\"Reproduction successful: Telegram was ignored.\")\n else:\n print(\"Reproduction failed: Telegram was not ignored.\")\n\nrepro()\nPY\n"
}Result of run_command 237 characters
{
"status": "ok",
"stdout": "Current address: 1.1.255\nCEMI src_addr: 1.1.255\nTelegrams queue size: 0\nCEMI count incoming: 0\nCEMI count incoming error: 1\nReproduction successful: Telegram was ignored.\n",
"stderr": "",
"exit_code": 0
}Generated tokens 639 tokens · stopped: STOP
I see `test_incoming_cemi` in `test/cemi_tests/cemi_handler_test.py`. It currently tests that a valid incoming CEMI is forwarded.
Let's write a reproduction script that mimics the user's scenario:
1. Create an `XKNX` instance with `current_address = IndividualAddress("1.1.255")`.
2. Create a `CEMIFrame` with `L_DATA_IND` and `src_addr = IndividualAddress("1.1.255")`.
3. Call `handle_cemi_frame` and check if it's ignored.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from xknx import XKNX
from xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode
from xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci
from xknx.dpt import DPTArray
def repro():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
# Override src_addr because init_from_telegram might use default if not provided in Telegram
test_cemi.data.src_addr = IndividualAddress("1.1.255")
print(f"Current address: {xknx.current_address}")
print(f"CEMI src_addr: {test_cemi.data.src_addr}")
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print(f"Telegrams queue size: {xknx.telegrams.qsize()}")
print(f"CEMI count incoming: {xknx.connection_manager.cemi_count_incoming}")
print(f"CEMI count incoming error: {xknx.connection_manager.cemi_count_incoming_error}")
if xknx.telegrams.qsize() == 0 and xknx.connection_manager.cemi_count_incoming_error == 1:
print("Reproduction successful: Telegram was ignored.")
else:
print("Reproduction failed: Telegram was not ignored.")
repro()
PY
<|"|>}<tool_call|><|tool_response>
Turn 5at 150 s219 tokens out10,082 prompt tokens
The reproduction is successful. The telegram is indeed ignored when `src_addr` matches `current_address`. The question is whether we should just remove this check, or if there's a more nuanced way. The original commit mentioned by the user: `996697ae8cce878aadfcbd95833b1fde3367008a`. If I could see the diff of that commit it would be helpful, but I don't have git access to external commits, only local history. Wait, I can't use `git fetch`, but I can use `git log` or `git show` if the commit is in the local history. Let's check if that commit is in the local history.
TOOL CALL · run_command
{
"command": "git show 996697ae8cce878aadfcbd95833b1fde3367008a"
}Result of run_command 249 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "fatal: bad object 996697ae8cce878aadfcbd95833b1fde3367008a\n",
"details": {
"stdout": "",
"stderr": "fatal: bad object 996697ae8cce878aadfcbd95833b1fde3367008a\n",
"exit_code": 128
}
}Generated tokens 219 tokens · stopped: STOP
The reproduction is successful. The telegram is indeed ignored when `src_addr` matches `current_address`.
The question is whether we should just remove this check, or if there's a more nuanced way.
The original commit mentioned by the user: `996697ae8cce878aadfcbd95833b1fde3367008a`.
If I could see the diff of that commit it would be helpful, but I don't have git access to external commits, only local history.
Wait, I can't use `git fetch`, but I can use `git log` or `git show` if the commit is in the local history.
Let's check if that commit is in the local history.
<channel|><|tool_call>call:run_command{command:<|"|>git show 996697ae8cce878aadfcbd95833b1fde3367008a<|"|>}<tool_call|><|tool_response>
Turn 6at 177 s314 tokens out10,440 prompt tokens
The commit is not in the local history. Let's reconsider if this check is actually useful. `# L_DATA_IND frames from our own address should be ignored (may occur form routing)` In KNX, if you send a message, it might be echoed back to you by the IP interface depending on the configuration. If we remove this check, we might get loops. Is there a way to make this configurable? Probably not easily without changing the API. Wait, if the user says that "With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't", and the only difference is this check, then removing it would restore the behavior. But what about the "may occur from routing" concern? If the user has a gateway that acts as a device and sends messages using the same address as the xknx instance, then xknx thinks it's receiving its own messages. If we keep the check, the user cannot receive these messages. If we remove it, anyone who experiences this "routing echo" will receive their own messages. Usually, for KNX, receiving your own messages is not a huge deal, you can filter them at a higher level if needed. Let's check if there other places where `current_address` is used for filtering.
TOOL CALL · run_command
{
"command": "grep -rn \"current_address\" ."
}Result of run_command 3,317 characters
{
"status": "ok",
"stdout": "./xknx/core/value_reader.py:75: source_address=self.xknx.current_address,\n./xknx/xknx.py:68: self.current_address = IndividualAddress(0)\n./xknx/cemi/cemi_handler.py:60: self.xknx.current_address if telegram.source_address.raw == 0 else None\n./xknx/cemi/cemi_handler.py:123: and cemi.data.src_addr == self.xknx.current_address\n./xknx/cemi/cemi_handler.py:153: and telegram.destination_address != self.xknx.current_address\n./xknx/remote_value/remote_value.py:208: source_address=self.xknx.current_address,\n./xknx/management/procedures.py:27: source_address=xknx.current_address,\n./xknx/management/management.py:149: source_address=self.xknx.current_address,\n./xknx/management/management.py:175: source_address=self.xknx.current_address,\n./xknx/management/management.py:239: source_address=self.xknx.current_address,\n./xknx/io/tunnel.py:203: self.xknx.current_address = self._src_address\n./xknx/io/routing.py:182: self.xknx.current_address = self.individual_address\n./test/cemi_tests/cemi_handler_test.py:62: xknx.current_address = IndividualAddress(\"1.1.1\")\n./test/cemi_tests/cemi_handler_test.py:114: xknx.current_address = IndividualAddress(\"1.1.1\")\n./test/cemi_tests/cemi_handler_test.py:172: xknx.current_address = IndividualAddress(\"1.1.22\")\n./test/io_tests/tunnel_test.py:98: self.xknx.current_address = IndividualAddress(\"1.0.255\")\n./test/io_tests/routing_test.py:40: self.xknx.current_address = IndividualAddress(\"1.0.255\")\n./test/secure_tests/data_secure_test.py:73: self.xknx.current_address = IndividualAddress(\"5.0.1\")\n./test/secure_tests/data_secure_test.py:142: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:183: self.xknx.current_address = IndividualAddress(\"15.15.0\")\n./test/secure_tests/data_secure_test.py:197: self.xknx.current_address = IndividualAddress(\"15.15.0\")\n./test/secure_tests/data_secure_test.py:310: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:323: destination_address=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:362: src_addr=self.xknx.current_address,\n./test/secure_tests/data_secure_test.py:382: src_addr=self.xknx.current_address,\n./test/management_tests/management_test.py:27: source_address=xknx.current_address,\n./test/management_tests/management_test.py:35: source_address=xknx.current_address,\n./test/management_tests/management_test.py:140: destination_address=xknx.current_address,\n./test/management_tests/management_test.py:145: source_address=xknx.current_address,\n./test/management_tests/management_test.py:162: destination_address=xknx.current_address,\n./test/management_tests/management_test.py:168: source_address=xknx.current_address,\n./test/management_tests/management_test.py:184: assert xknx.current_address != other_address\n./docs/changelog.md:168:- Set xknx.current_address for routing connections so management frames received over Routing are handled properly.\n",
"stderr": "",
"exit_code": 0
}Generated tokens 314 tokens · stopped: STOP
The commit is not in the local history.
Let's reconsider if this check is actually useful.
`# L_DATA_IND frames from our own address should be ignored (may occur form routing)`
In KNX, if you send a message, it might be echoed back to you by the IP interface depending on the configuration.
If we remove this check, we might get loops.
Is there a way to make this configurable?
Probably not easily without changing the API.
Wait, if the user says that "With 2.5.0 i see telegrams from the modbus device, on 2.6.0 i don't", and the only difference is this check, then removing it would restore the behavior.
But what about the "may occur from routing" concern?
If the user has a gateway that acts as a device and sends messages using the same address as the xknx instance, then xknx thinks it's receiving its own messages.
If we keep the check, the user cannot receive these messages.
If we remove it, anyone who experiences this "routing echo" will receive their own messages.
Usually, for KNX, receiving your own messages is not a huge deal, you can filter them at a higher level if needed.
Let's check if there other places where `current_address` is used for filtering.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "current_address" .<|"|>}<tool_call|><|tool_response>
Turn 7at 188 s161 tokens out11,956 prompt tokens
The only place where `current_address` is used to *ignore* incoming frames is in `xknx/cemi/cemi_handler.py`. Wait, let me check `xknx/cemi/cemi_handler.py` again. Line 153: `and telegram.destination_address != self.xknx.current_address` Wait, line 153 is in `telegram_received`? No, it's not. Let's read around line 153.
TOOL CALL · read_file
{
"end_line": 160,
"filepath": "xknx/cemi/cemi_handler.py",
"start_line": 140
}Result of read_file 866 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"content": " return\n self.xknx.connection_manager.cemi_count_incoming += 1\n telegram = cemi.data.telegram()\n telegram.direction = TelegramDirection.INCOMING\n self.telegram_received(telegram)\n\n def telegram_received(self, telegram: Telegram) -> None:\n \"\"\"Forward Telegram to upper layer.\"\"\"\n if isinstance(telegram.tpci, tpci.TDataGroup):\n self.xknx.telegrams.put_nowait(telegram)\n return\n if (\n isinstance(telegram.destination_address, IndividualAddress)\n and telegram.destination_address != self.xknx.current_address\n ):\n return\n self.xknx.management.process(telegram)",
"start_line": 140,
"end_line": 156,
"total_lines": 156,
"is_truncated": false
}Generated tokens 161 tokens · stopped: STOP
The only place where `current_address` is used to *ignore* incoming frames is in `xknx/cemi/cemi_handler.py`.
Wait, let me check `xknx/cemi/cemi_handler.py` again.
Line 153: `and telegram.destination_address != self.xknx.current_address`
Wait, line 153 is in `telegram_received`? No, it's not. Let's read around line 153.
<channel|><|tool_call>call:read_file{end_line:160,filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>,start_line:140}<tool_call|><|tool_response>
Turn 8at 253 s1,127 tokens out12,383 prompt tokens
Line 153 is actually:
```python
if (\n isinstance(telegram.destination_address, IndividualAddress)\n and telegram.destination_address != self.xknx.current_address\n ):\n return
```
This means if it's an individual address and it's NOT our current address, we ignore it. This is correct for individual messages.
But the problem is about the SOURCE address.
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
If the user's gateway sends telegrams set as originating from its own address (which matches the configured `current_address` of xknx), they are dropped.
If we remove this check, what happens?
The user gets their telegrams.
Other users might get their own sent telegrams echoed back.
Generally, in KNX, receiving your own telegrams is not a problem; you can just ignore them if you don't want to.
But by putting this in `CEMIHandler`, we are making it impossible for anyone to receive telegrams coming from their own configured address.
The user's case is a very valid use case: the gateway is acting as a proxy for another device and uses its own address for the source.
I suspect removing this check is the correct fix, or at least it's what the user is asking for ("Is it possible to roll back this change?").
Let's double check if `cemi.data.src_addr` can be `None`.
`CEMILData` handles this.
Let's see if I can find any reason NOT to remove this.
The comment says "may occur form routing".
In Routing mode (as opposed to Tunnelling mode), the device has an address on the KNX bus. When it sends a message, the IP interface might send it back to the same device.
However, most KNX software expects to be able to receive any telegram that matches the filters they've set (e.g. group addresses they are interested in).
If I remove the check:
```python
- if (\n- cemi.code is CEMIMessageCode.L_DATA_IND\n- and cemi.data.src_addr == self.xknx.current_address\n- ):\n- # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n- logger.debug(\"Ignoring own CEMI: %s\", cemi)\n- self.xknx.connection_manager.cemi_count_incoming_error += 1\n- return
```
Let's verify with my reproduction script again.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom xknx import XKNX\nfrom xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci\nfrom xknx.dpt import DPTArray\nfrom unittest.mock import MagicMock\n\ndef repro():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Mock telegrams queue\n xknx.telegrams = MagicMock()\n xknx.telegrams.qsize.return_value = 1 # Simulate it being added\n \n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),\n )\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n test_cemi.data.src_addr = IndividualAddress(\"1.1.255\")\n \n # This is a simplified test to see if handle_cemi_frame returns early\n # We will patch the telegram_received method to see if it is called\n with MagicMock() as mock_telegram_received:\n xknx.cemi_handler.telegram_received = mock_telegram_received\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n if mock_telegram_received.called:\n print(\"Telegram was NOT ignored.\")\n else:\n print(\"Telegram was ignored.\")\n\nrepro()\nPY\n"
}Result of run_command 83 characters
{
"status": "ok",
"stdout": "Telegram was ignored.\n",
"stderr": "",
"exit_code": 0
}Generated tokens 1,127 tokens · stopped: STOP
Line 153 is actually:
```python
if (\n isinstance(telegram.destination_address, IndividualAddress)\n and telegram.destination_address != self.xknx.current_address\n ):\n return
```
This means if it's an individual address and it's NOT our current address, we ignore it. This is correct for individual messages.
But the problem is about the SOURCE address.
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
If the user's gateway sends telegrams set as originating from its own address (which matches the configured `current_address` of xknx), they are dropped.
If we remove this check, what happens?
The user gets their telegrams.
Other users might get their own sent telegrams echoed back.
Generally, in KNX, receiving your own telegrams is not a problem; you can just ignore them if you don't want to.
But by putting this in `CEMIHandler`, we are making it impossible for anyone to receive telegrams coming from their own configured address.
The user's case is a very valid use case: the gateway is acting as a proxy for another device and uses its own address for the source.
I suspect removing this check is the correct fix, or at least it's what the user is asking for ("Is it possible to roll back this change?").
Let's double check if `cemi.data.src_addr` can be `None`.
`CEMILData` handles this.
Let's see if I can find any reason NOT to remove this.
The comment says "may occur form routing".
In Routing mode (as opposed to Tunnelling mode), the device has an address on the KNX bus. When it sends a message, the IP interface might send it back to the same device.
However, most KNX software expects to be able to receive any telegram that matches the filters they've set (e.g. group addresses they are interested in).
If I remove the check:
```python
- if (\n- cemi.code is CEMIMessageCode.L_DATA_IND\n- and cemi.data.src_addr == self.xknx.current_address\n- ):\n- # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n- logger.debug(\"Ignoring own CEMI: %s\", cemi)\n- self.xknx.connection_manager.cemi_count_incoming_error += 1\n- return
```
Let's verify with my reproduction script again.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from xknx import XKNX
from xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode
from xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci
from xknx.dpt import DPTArray
from unittest.mock import MagicMock
def repro():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Mock telegrams queue
xknx.telegrams = MagicMock()
xknx.telegrams.qsize.return_value = 1 # Simulate it being added
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
test_cemi.data.src_addr = IndividualAddress("1.1.255")
# This is a simplified test to see if handle_cemi_frame returns early
# We will patch the telegram_received method to see if it is called
with MagicMock() as mock_telegram_received:
xknx.cemi_handler.telegram_received = mock_telegram_received
xknx.cemi_handler.handle_cemi_frame(test_cemi)
if mock_telegram_received.called:
print("Telegram was NOT ignored.")
else:
print("Telegram was ignored.")
repro()
PY
<|"|>}<tool_call|><|tool_response>
Turn 9at 327 s1,646 tokens out13,553 prompt tokens
Confirmed. Now I will remove the block in `xknx/cemi/cemi_handler.py`.
But wait, should I just remove it or make it optional? The problem description says "Is it possible to roll back this change?". Roll back means remove it.
Since I am a software engineer resolving this issue, and the user explicitly asks to roll back this change, and it seems to be causing issues for gateways that act as sources, I'll remove it.
Let's check if there's any other place this logic is needed.
In `xknx/cemi/cemi_handler.py`, that's the only place.
I'll remove lines 121-128 (approx).
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
Wait, let me check the line numbers again.
Line 121 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
```
Wait, line 117 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_CON:
```
Line 121 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
```
Line 126 is the `logger.debug("Ignoring own CEMI: %s", cemi)` call.
Let's look at the code again:
```python
117: if cemi.code is CEMIMessageCode.L_DATA_CON:
118: # L_DATA_CON confirmation frame signals ready to send next telegram
119: self._l_data_confirmation_event.set()
120: logger.debug("Incoming CEMI confirmation: %s", cemi)
121: return
122: if cemi.code is CEMIMessageCode.L_DATA_REQ:
123: # L_DATA_REQ frames should only be outgoing.
124: logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
125: self.xknx.connection_manager.cemi_count_incoming_error += 1
126: return
127: if (
128: cemi.code is CEMIMessageCode.L_DATA_IND
129: and cemi.data.src_addr == self.xknx.current_address
130: ):
131: # L_DATA_IND frames from our own address should be ignored (may occur form routing)
132: logger.debug("Ignoring own CEMI: %s", cemi)
133: self.xknx.connection_manager.cemi_count_incoming_error += 1
134: return
135: logger.debug("Incoming CEMI: %s", cemi)
```
Wait, the line numbers in my previous `read_file` were slightly different. Let me re-read.
Ah, my previous `read_file` output:
```python
122: if cemi.code is CEMIMessageCode.L_DATA_REQ:
123: # L_DATA_REQ frames should only be outgoing.
124: logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
125: self.xknx.connection_manager.cemi_count_incoming_error += 1
126: return
127: if (
128: cemi.code is CEMIMessageCode.L_DATA_IND
129: and cemi.data.src_addr == self.xknx.current_address
130: ):
131: # L_DATA_IND frames from our own address should be ignored (may occur form routing)
132: logger.debug("Ignoring own CEMI: %s", cemi)
133: self.xknx.connection_manager.cemi_count_incoming_error += 1
134: return
135: logger.debug("Incoming CEMI: %s", cemi)
```
Wait, `read_file` output showed:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
# L_DATA_REQ frames should only be outgoing.
logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
logger.debug("Incoming CEMI: %s", cemi)
```
Yes, I need to remove the second `if` block.
Old string:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
```
New string: (empty)
Let's make sure I get the indentation and context right.
TOOL CALL · edit_file
{
"filepath": "xknx/cemi/cemi_handler.py",
"new_string": " logger.debug(\"Incoming CEMI: %s\", cemi)\\n",
"old_string": " if (\\n cemi.code is CEMIMessageCode.L_DATA_IND\\n and cemi.data.src_addr == self.xknx.current_address\\n ):\\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\\n self.xknx.connection_manager.cemi_count_incoming_error += 1\\n return\\n logger.debug(\"Incoming CEMI: %s\", cemi)\\n"
}Result of edit_file 898 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"occurrences": 1,
"strategy": "unescaped",
"diff": "--- a/xknx/cemi/cemi_handler.py\n+++ b/xknx/cemi/cemi_handler.py\n@@ -118,14 +118,6 @@\n logger.warning(\"Received unexpected L_DATA_REQ frame: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n- if (\n- cemi.code is CEMIMessageCode.L_DATA_IND\n- and cemi.data.src_addr == self.xknx.current_address\n- ):\n- # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n- logger.debug(\"Ignoring own CEMI: %s\", cemi)\n- self.xknx.connection_manager.cemi_count_incoming_error += 1\n- return\n logger.debug(\"Incoming CEMI: %s\", cemi)\n \n if self.data_secure is not None:\n",
"is_truncated": false
}Generated tokens 1,646 tokens · stopped: STOP
Confirmed. Now I will remove the block in `xknx/cemi/cemi_handler.py`.
But wait, should I just remove it or make it optional? The problem description says "Is it possible to roll back this change?". Roll back means remove it.
Since I am a software engineer resolving this issue, and the user explicitly asks to roll back this change, and it seems to be causing issues for gateways that act as sources, I'll remove it.
Let's check if there's any other place this logic is needed.
In `xknx/cemi/cemi_handler.py`, that's the only place.
I'll remove lines 121-128 (approx).
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug(\"Ignoring own CEMI: %s\", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return
```
Wait, let me check the line numbers again.
Line 121 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
```
Wait, line 117 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_CON:
```
Line 121 is:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
```
Line 126 is the `logger.debug("Ignoring own CEMI: %s", cemi)` call.
Let's look at the code again:
```python
117: if cemi.code is CEMIMessageCode.L_DATA_CON:
118: # L_DATA_CON confirmation frame signals ready to send next telegram
119: self._l_data_confirmation_event.set()
120: logger.debug("Incoming CEMI confirmation: %s", cemi)
121: return
122: if cemi.code is CEMIMessageCode.L_DATA_REQ:
123: # L_DATA_REQ frames should only be outgoing.
124: logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
125: self.xknx.connection_manager.cemi_count_incoming_error += 1
126: return
127: if (
128: cemi.code is CEMIMessageCode.L_DATA_IND
129: and cemi.data.src_addr == self.xknx.current_address
130: ):
131: # L_DATA_IND frames from our own address should be ignored (may occur form routing)
132: logger.debug("Ignoring own CEMI: %s", cemi)
133: self.xknx.connection_manager.cemi_count_incoming_error += 1
134: return
135: logger.debug("Incoming CEMI: %s", cemi)
```
Wait, the line numbers in my previous `read_file` were slightly different. Let me re-read.
Ah, my previous `read_file` output:
```python
122: if cemi.code is CEMIMessageCode.L_DATA_REQ:
123: # L_DATA_REQ frames should only be outgoing.
124: logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
125: self.xknx.connection_manager.cemi_count_incoming_error += 1
126: return
127: if (
128: cemi.code is CEMIMessageCode.L_DATA_IND
129: and cemi.data.src_addr == self.xknx.current_address
130: ):
131: # L_DATA_IND frames from our own address should be ignored (may occur form routing)
132: logger.debug("Ignoring own CEMI: %s", cemi)
133: self.xknx.connection_manager.cemi_count_incoming_error += 1
134: return
135: logger.debug("Incoming CEMI: %s", cemi)
```
Wait, `read_file` output showed:
```python
if cemi.code is CEMIMessageCode.L_DATA_REQ:
# L_DATA_REQ frames should only be outgoing.
logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
logger.debug("Incoming CEMI: %s", cemi)
```
Yes, I need to remove the second `if` block.
Old string:
```python
if (
cemi.code is CEMIMessageCode.L_DATA_IND
and cemi.data.src_addr == self.xknx.current_address
):
# L_DATA_IND frames from our own address should be ignored (may occur form routing)
logger.debug("Ignoring own CEMI: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
```
New string: (empty)
Let's make sure I get the indentation and context right.
<channel|><|tool_call>call:edit_file{filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>,new_string:<|"|> logger.debug("Incoming CEMI: %s", cemi)\n<|"|>,old_string:<|"|> if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi.data.src_addr == self.xknx.current_address\n ):\n # L_DATA_IND frames from our own address should be ignored (may occur form routing)\n logger.debug("Ignoring own CEMI: %s", cemi)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n logger.debug("Incoming CEMI: %s", cemi)\n<|"|>}<tool_call|><|tool_response>
Turn 10at 341 s392 tokens out15,522 prompt tokens
Now let's verify with the reproduction script.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nfrom xknx import XKNX\nfrom xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci\nfrom xknx.dpt import DPTArray\nfrom unittest.mock import MagicMock\n\ndef repro():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Mock telegrams queue\n xknx.telegrams = MagicMock()\n \n test_telegram = Telegram(\n destination_address=GroupAddress(\"1/1/4\"),\n payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),\n )\n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n test_cemi.data.src_addr = IndividualAddress(\"1.1.255\")\n \n with MagicMock() as mock_telegram_received:\n xknx.cemi_handler.telegram_received = mock_telegram_received\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n \n if mock_telegram_received.called:\n print(\"Telegram was NOT ignored.\")\n else:\n print(\"Telegram was ignored.\")\n\nrepro()\nPY\n"
}Result of run_command 87 characters
{
"status": "ok",
"stdout": "Telegram was NOT ignored.\n",
"stderr": "",
"exit_code": 0
}Generated tokens 392 tokens · stopped: STOP
Now let's verify with the reproduction script.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
from xknx import XKNX
from xknx.cemi import CEMIFrame, CEMILData, CEMIMessageCode
from xknx.telegram import GroupAddress, IndividualAddress, Telegram, apci, tpci
from xknx.dpt import DPTArray
from unittest.mock import MagicMock
def repro():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Mock telegrams queue
xknx.telegrams = MagicMock()
test_telegram = Telegram(
destination_address=GroupAddress("1/1/4"),
payload=apci.GroupValueWrite(DPTArray((0xbe, 0xa5, 0xbb, 0xb8))),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
test_cemi.data.src_addr = IndividualAddress("1.1.255")
with MagicMock() as mock_telegram_received:
xknx.cemi_handler.telegram_received = mock_telegram_received
xknx.cemi_handler.handle_cemi_frame(test_cemi)
if mock_telegram_received.called:
print("Telegram was NOT ignored.")
else:
print("Telegram was ignored.")
repro()
PY
<|"|>}<tool_call|><|tool_response>
Turn 11at 408 s89 tokens out5,928 prompt tokens
Great. Now let's run the actual tests to make sure we didn't break anything. I'll look for tests related to CEMI or telegrams. `tests/test_cemi` seems relevant. I'll also check if there are others.
TOOL CALL · run_command
{
"command": "pytest tests/test_cemi -q --tb=short --no-header"
}Result of run_command 262 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "ERROR: file or directory not found: tests/test_cemi\n\n",
"details": {
"stdout": "\nno tests ran in 0.00s\n",
"stderr": "ERROR: file or directory not found: tests/test_cemi\n\n",
"exit_code": 4
}
}Generated tokens 89 tokens · stopped: STOP
Great. Now let's run the actual tests to make sure we didn't break anything.
I'll look for tests related to CEMI or telegrams.
`tests/test_cemi` seems relevant. I'll also check if there are others.<channel|><|tool_call>call:run_command{command:<|"|>pytest tests/test_cemi -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Turn 12at 410 s33 tokens out6,125 prompt tokens
Ah, let me check the `tests` directory contents.
TOOL CALL · run_command
{
"command": "ls -R tests/"
}Result of run_command 237 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "ls: cannot access 'tests/': No such file or directory\n",
"details": {
"stdout": "",
"stderr": "ls: cannot access 'tests/': No such file or directory\n",
"exit_code": 2
}
}Generated tokens 33 tokens · stopped: STOP
Ah, let me check the `tests` directory contents.
<channel|><|tool_call>call:run_command{command:<|"|>ls -R tests/<|"|>}<tool_call|><|tool_response>
Turn 13at 413 s37 tokens out6,245 prompt tokens
Wait, why is `tests/` missing? Let me check the root directory.
TOOL CALL · run_command
{
"command": "ls -F"
}Result of run_command 210 characters
{
"status": "ok",
"stdout": "LICENSE\nMANIFEST.in\nREADME.md\nchangelog.md@\ndocs/\nexamples/\npyproject.toml\nrequirements/\nscript/\nsetup.cfg\nsetup.py\ntest/\ntox.ini\nxknx/\n",
"stderr": "",
"exit_code": 0
}Generated tokens 37 tokens · stopped: STOP
Wait, why is `tests/` missing?
Let me check the root directory.
<channel|><|tool_call>call:run_command{command:<|"|>ls -F<|"|>}<tool_call|><|tool_response>
Turn 14at 416 s40 tokens out6,379 prompt tokens
It's `test/`, not `tests/`.
TOOL CALL · run_command
{
"command": "pytest test/ -q --tb=short --no-header"
}Result of run_command 10,622 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "Task was destroyed but it is pending!\ntask: <Task pending name='Task-2397' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:349> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2389' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:349> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2383' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:350> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2349' coro=<CEMIHandler.send_telegram() running at /workspace/xknx/cemi/cemi_handler.py:80> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[set.discard()]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2287' coro=<CEMIHandler.send_telegram() running at /workspace/xknx/cemi/cemi_handler.py:80> wait_for=<Future finished result=None> cb=[set.discard()]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2350' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2385' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2374' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2366' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2373' coro=<UDPTunnel.send_cemi() running at /workspace/xknx/io/tunnel.py:447> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2365' coro=<UDPTunnel.send_cemi() running at /workspace/xknx/io/tunnel.py:447> wait_for=<Future pending cb=[Task.task_wakeup()]>>\n",
"details": {
"stdout": "........................................................................ [ 3%]\n.........................F.............................................. [ 6%]\n........................................................................ [ 10%]\n........................................................................ [ 13%]\n........................................................................ [ 17%]\n........................................................................ [ 20%]\n........................................................................ [ 24%]\n........................................................................ [ 27%]\n........................................................................ [ 30%]\n........................................................................ [ 34%]\n........................................................................ [ 37%]\n........................................................................ [ 41%]\n........................................................................ [ 44%]\n........................................................................ [ 48%]\n........................................................................ [ 51%]\n........................................................................ [ 55%]\n........................................................................ [ 58%]\n........................................................................ [ 61%]\nF......................FF............................................... [ 65%]\n........................................................................ [ 68%]\n........................................................................ [ 72%]\n........................................................................ [ 75%]\n........................................................................ [ 79%]\n........................................................................ [ 82%]\n........................................................................ [ 86%]\n........................................................................ [ 89%]\n........................................................................ [ 92%]\n........................................................................ [ 96%]\n........................................................................ [ 99%]\n....\n=================================== FAILURES ===================================\n___________________________ test_incoming_from_self ____________________________\ntest/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self\n mock_telegram_received.assert_not_called()\n/usr/local/lib/python3.10/unittest/mock.py:890: in assert_not_called\n raise AssertionError(msg)\nE AssertionError: Expected 'telegram_received' to not have been called. Called 1 times.\nE Calls: [call(Telegram(destination_address=5/1/22, direction=TelegramDirection.INCOMING, payload=<GroupValueWrite value=\"<DPTArray value=\"[0xc,0x3f]\" />\" />, source_address=1.1.22, tpci=TDataGroup()))].\n_____________________ TestGatewayScanner.test_scan_timeout _____________________\ntest/io_tests/gateway_scanner_test.py:359: in test_scan_timeout\n assert await timed_out_scan_task == []\nxknx/io/gateway_scanner.py:222: in scan\n await self._scan()\nxknx/io/gateway_scanner.py:251: in _scan\n raise XKNXException(\"No usable network interface found.\")\nE xknx.exceptions.exception.XKNXException: No usable network interface found.\n------------------------------ Captured log call -------------------------------\nWARNING xknx.log:util.py:30 The system could not auto detect the source ip for 224.0.23.12 on your operating system\n____________ TestKNXIPInterface.test_start_secure_routing_knx_keys _____________\ntest/io_tests/knxip_interface_test.py:586: in test_start_secure_routing_knx_keys\n await interface.start()\nxknx/io/knxip_interface.py:72: in start\n await self._start()\nxknx/io/knxip_interface.py:91: in _start\n await self._start_secure_routing(keyring=keyring)\nxknx/io/knxip_interface.py:432: in _start_secure_routing\n raise XKNXException(\"No network interface found.\")\nE xknx.exceptions.exception.XKNXException: No network interface found.\n------------------------------ Captured log call -------------------------------\nWARNING xknx.log:util.py:30 The system could not auto detect the source ip for 224.0.23.12 on your operating system\n_____________ TestKNXIPInterface.test_start_secure_routing_manual ______________\ntest/io_tests/knxip_interface_test.py:610: in test_start_secure_routing_manual\n await interface.start()\nxknx/io/knxip_interface.py:72: in start\n await self._start()\nxknx/io/knxip_interface.py:91: in _start\n await self._start_secure_routing(keyring=keyring)\nxknx/io/knxip_interface.py:432: in _start_secure_routing\n raise XKNXException(\"No network interface found.\")\nE xknx.exceptions.exception.XKNXException: No network interface found.\n------------------------------ Captured log call -------------------------------\nWARNING xknx.log:util.py",
"stderr": "Task was destroyed but it is pending!\ntask: <Task pending name='Task-2397' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:349> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2389' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:349> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2383' coro=<_Tunnel.do_heartbeat() running at /workspace/xknx/io/tunnel.py:350> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2349' coro=<CEMIHandler.send_telegram() running at /workspace/xknx/cemi/cemi_handler.py:80> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[set.discard()]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2287' coro=<CEMIHandler.send_telegram() running at /workspace/xknx/cemi/cemi_handler.py:80> wait_for=<Future finished result=None> cb=[set.discard()]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2350' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2385' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2374' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2366' coro=<Event.wait() running at /usr/local/lib/python3.10/asyncio/locks.py:214> wait_for=<Future pending cb=[Task.task_wakeup()]> cb=[_release_waiter(<Future pendi...ask_wakeup()]>)() at /usr/local/lib/python3.10/asyncio/tasks.py:387]>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2373' coro=<UDPTunnel.send_cemi() running at /workspace/xknx/io/tunnel.py:447> wait_for=<Future pending cb=[Task.task_wakeup()]>>\nTask was destroyed but it is pending!\ntask: <Task pending name='Task-2365' coro=<UDPTunnel.send_cemi() running at /workspace/xknx/io/tunnel.py:447> wait_for=<Future pending cb=[Task.task_wakeup()]>>\n",
"exit_code": 1
}
}Generated tokens 40 tokens · stopped: STOP
It's `test/`, not `tests/`.<channel|><|tool_call>call:run_command{command:<|"|>pytest test/ -q --tb=short --no-header<|"|>}<tool_call|><|tool_response>
Turn 15at 437 s276 tokens out9,596 prompt tokens
LMAO! I broke a test!
`test/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self`
`mock_telegram_received.assert_not_called()`
This test was explicitly testing that telegrams from self ARE ignored.
```python
___________________________ test_incoming_from_self ____________________________
test/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self
mock_telegram_received.assert_not_called()
/usr/local/lib/python3.10/unittest/mock.py:890: in assert_not_called
raise AssertionError(msg)
E AssertionError: Expected 'telegram_received' to not have been called. Called 1 times.
```
Since we are rolling back the change that caused this behavior, we must also update the tests that were relying on this behavior.
Let's read `test/cemi_tests/cemi_handler_test.py`.
TOOL CALL · read_file
{
"filepath": "test/cemi_tests/cemi_handler_test.py",
"start_line": 160
}Result of read_file 1,197 characters
{
"status": "ok",
"filepath": "test/cemi_tests/cemi_handler_test.py",
"content": " with patch(\"logging.Logger.info\") as mock_info, patch.object(\n xknx.cemi_handler, \"handle_cemi_frame\"\n ) as mock_handle_cemi_frame:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_info.assert_called_once()\n mock_handle_cemi_frame.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1\n\n\ndef test_incoming_from_self():\n \"\"\"Test incoming CEMI from own IA.\"\"\"\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.22\")\n # L_Data.ind GroupValueWrite from 1.1.22 to to 5/1/22 with DPT9 payload 0C 3F\n raw = bytes.fromhex(\"2900bcd011162916030080 0c 3f\")\n\n with patch(\"logging.Logger.debug\") as mock_debug, patch.object(\n xknx.cemi_handler, \"telegram_received\"\n ) as mock_telegram_received:\n xknx.cemi_handler.handle_raw_cemi(raw)\n mock_debug.assert_called_once()\n mock_telegram_received.assert_not_called()\n assert xknx.connection_manager.cemi_count_incoming_error == 1",
"start_line": 160,
"end_line": 182,
"total_lines": 182,
"is_truncated": false
}Generated tokens 276 tokens · stopped: STOP
LMAO! I broke a test!
`test/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self`
`mock_telegram_received.assert_not_called()`
This test was explicitly testing that telegrams from self ARE ignored.
```python
___________________________ test_incoming_from_self ____________________________
test/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self
mock_telegram_received.assert_not_called()
/usr/local/lib/python3.10/unittest/mock.py:890: in assert_not_called
raise AssertionError(msg)
E AssertionError: Expected 'telegram_received' to not have been called. Called 1 times.
```
Since we are rolling back the change that caused this behavior, we must also update the tests that were relying on this behavior.
Let's read `test/cemi_tests/cemi_handler_test.py`.
<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>,start_line:160}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
diff --git a/xknx/cemi/cemi_handler.py b/xknx/cemi/cemi_handler.py
index 0361bb8..f095c6b 100644
--- a/xknx/cemi/cemi_handler.py
+++ b/xknx/cemi/cemi_handler.py
@@ -118,14 +118,6 @@ class CEMIHandler:
logger.warning("Received unexpected L_DATA_REQ frame: %s", cemi)
self.xknx.connection_manager.cemi_count_incoming_error += 1
return
- if (
- cemi.code is CEMIMessageCode.L_DATA_IND
- and cemi.data.src_addr == self.xknx.current_address
- ):
- # L_DATA_IND frames from our own address should be ignored (may occur form routing)
- logger.debug("Ignoring own CEMI: %s", cemi)
- self.xknx.connection_manager.cemi_count_incoming_error += 1
- return
logger.debug("Incoming CEMI: %s", cemi)
if self.data_secure is not None:
Test output Included
============================= test session starts ==============================
collected 8 items
test/cemi_tests/cemi_handler_test.py ........ [100%]
==================================== PASSES ====================================
______________________________ test_incoming_cemi ______________________________
------------------------------ Captured log call -------------------------------
WARNING xknx.cemi:cemi_handler.py:118 Received unexpected L_DATA_REQ frame: <CEMIFrame code="L_DATA_REQ" info="CEMIInfo("")" data="CEMILData(src_addr="IndividualAddress("0.0.0")" dst_addr="GroupAddress("0/0/1")" flags="1011110011100000" tpci="TDataGroup()" payload="<GroupValueWrite value="<DPTArray value="[0x1]" />" />")" />
- generated xml file: /tmp/rebench-grade-0f4aa162e4a84d44b006e1fceb920898.xml --
=========================== short test summary info ============================
PASSED test/cemi_tests/cemi_handler_test.py::test_wait_for_l2_confirmation
PASSED test/cemi_tests/cemi_handler_test.py::test_incoming_cemi
PASSED test/cemi_tests/cemi_handler_test.py::test_incoming_management_telegram[telegram0]
PASSED test/cemi_tests/cemi_handler_test.py::test_incoming_management_telegram[telegram1]
PASSED test/cemi_tests/cemi_handler_test.py::test_incoming_management_telegram[telegram2]
PASSED test/cemi_tests/cemi_handler_test.py::test_invalid_cemi[)\x00\xb0`\x10\xfa\x10\xff\x00]
PASSED test/cemi_tests/cemi_handler_test.py::test_unsupported_cemi[)\x00\xb0\xd0\x00\x01\x00\x00\x01\x03\xf8]
PASSED test/cemi_tests/cemi_handler_test.py::test_incoming_from_own_ia
============================== 8 passed in 0.16s ===============================
Test errors Included
Test report (JUnit) Included
<?xml version="1.0" encoding="utf-8"?><testsuites><testsuite name="pytest" errors="0" failures="0" skipped="0" tests="8" time="0.167" timestamp="2026-11-14T04:22:16.779950" hostname="e2fda5e26893"><testcase classname="test.cemi_tests.cemi_handler_test" name="test_wait_for_l2_confirmation" time="0.004" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_incoming_cemi" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_incoming_management_telegram[telegram0]" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_incoming_management_telegram[telegram1]" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_incoming_management_telegram[telegram2]" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_invalid_cemi[)\x00\xb0`\x10\xfa\x10\xff\x00]" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_unsupported_cemi[)\x00\xb0\xd0\x00\x01\x00\x00\x01\x03\xf8]" time="0.001" /><testcase classname="test.cemi_tests.cemi_handler_test" name="test_incoming_from_own_ia" time="0.001" /></testsuite></testsuites>
Agent log Included
[ 0.0s] 📋 System Prompt: You are a principal Python software engineer resolving a repository issue in `/workspace`.
[ 0.0s] 🎯 Task Prompt: You are evaluating a software engineering task for repository XKNX/xknx.
[ 14.8s] 💭 (726 chars) "The user is reporting that since xknx 2.6.0, telegrams originating from the KNX gateway
itself are being ignored.
The pr..."
[ 14.8s] 🔧 run_command grep -rn --include="*.py" "Ignoring own CEMI" .
[ 14.8s] → ./xknx/cemi/cemi_handler.py:126: logger.debug("Ignoring own CEMI: %s", cemi)
[ 21.7s] 💭 (103 chars) "The log message is in `xknx/cemi/cemi_handler.py` at line 126.
Let's examine the code around that line."
[ 21.7s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 21.7s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': ' logger.info("CEMI not
supported: %s", …
[ 63.9s] 💭 (2123 chars) "The relevant part is:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and cemi...."
[ 63.9s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 63.9s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': '"""Test for
CEMIHandler."""\nimport asy…
[ 108.4s] 💭 (425 chars) "I see `test_incoming_cemi` in `test/cemi_tests/cemi_handler_test.py`. It currently tests
that a valid incoming CEMI is f..."
[ 108.4s] 🔧 run_command (37 lines) python3 - <<'PY'
[ 108.7s] → Current address: 1.1.255
[ 129.2s] 💭 (575 chars) "The reproduction is successful. The telegram is indeed ignored when `src_addr` matches
`current_address`.
The question ..."
[ 129.2s] 🔧 run_command git show 996697ae8cce878aadfcbd95833b1fde3367008a
[ 129.2s] → error (exit 0):
[ 156.2s] 💭 (1182 chars) "The commit is not in the local history.
Let's reconsider if this check is actually useful.
`# L_DATA_IND frames from ou..."
[ 156.2s] 🔧 run_command grep -rn "current_address" .
[ 156.3s] → ./xknx/core/value_reader.py:75: source_address=self.xknx.current_address,
[ 167.2s] 💭 (322 chars) "The only place where `current_address` is used to *ignore* incoming frames is in
`xknx/cemi/cemi_handler.py`.
Wait, let..."
[ 167.2s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 167.2s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': ' return\n
self.xknx.connecti…
[ 231.4s] 💭 (2626 chars) "Line 153 is actually:
```python
if (\n isinstance(telegram.destination_address, IndividualAddress)\n ..."
[ 231.4s] 🔧 run_command (38 lines) python3 - <<'PY'
[ 231.6s] → Telegram was ignored.
[ 305.5s] 💭 (4623 chars) "Confirmed. Now I will remove the block in `xknx/cemi/cemi_handler.py`.
But wait, should I just remove it or make it opt..."
[ 305.5s] ✏️ edit_file (xknx/cemi/cemi_handler.py)
[ 305.7s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'occurrences': 1, 'strategy': 'unescaped',
'diff': '--- a/xknx…
[ 320.0s] 💭 (46 chars) "Now let's verify with the reproduction script."
[ 320.0s] 🔧 run_command (35 lines) python3 - <<'PY'
[ 320.2s] → Telegram was NOT ignored.
[ 387.2s] 💭 (197 chars) "Great. Now let's run the actual tests to make sure we didn't break anything.
I'll look for tests related to CEMI or tele..."
[ 387.2s] 🔧 run_command pytest tests/test_cemi -q --tb=short --no-header
[ 387.6s] → error (exit 0):
[ 389.2s] 💭 (48 chars) "Ah, let me check the `tests` directory contents."
[ 389.2s] 🔧 run_command ls -R tests/
[ 389.2s] → error (exit 0):
[ 391.6s] 💭 (63 chars) "Wait, why is `tests/` missing?
Let me check the root directory."
[ 391.6s] 🔧 run_command ls -F
[ 391.6s] → LICENSE
[ 394.9s] 💭 (27 chars) "It's `test/`, not `tests/`."
[ 394.9s] 🔧 run_command pytest test/ -q --tb=short --no-header
[ 398.8s] → error (exit 0):
[ 416.2s] 💭 (793 chars) "LMAO! I broke a test!
`test/cemi_tests/cemi_handler_test.py:181: in test_incoming_from_self`
`mock_telegram_received.ass..."
[ 416.2s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 416.2s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': ' with
patch("logging.Logger.info") a…
Native result row
{
"agent_error": "Agent exceeded session timeout (7.5 min)",
"duration_seconds": 475.2,
"error": "Agent exceeded session timeout (7.5 min)",
"grade": {
"collected_tests": 8,
"competition_junit_ok": true,
"error": null,
"required_issues_count": 0,
"resolved": true,
"status_counts": {
"PASSED": 8
},
"strict_clean_patch": true,
"test_exit_code": 0
},
"instance_id": "xknx__xknx-1227",
"pass_idx": 0,
"patch_chars": 856,
"phase1_seconds": 473.63,
"repo": "XKNX/xknx",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/xknx__xknx-1227__p0__r3.jsonl",
"resolved": true,
"rollout_idx": 3,
"run_key": "xknx__xknx-1227__p0__r3",
"strict_clean_patch": true,
"tool_calls": 15,
"total_llm_calls": 15,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_xknx__xknx-1227__p0__r3.json"
}