ROLLOUT 0 · XKNX/xknx
xknx__xknx-1227
Not solved
479 stotal time
15tool calls
15model calls
5,315tokens generated
154,578prompt tokens read
Empty agent patch
Turn by turn
Token shading: p ≥ 0.9 0.5 – 0.9 0.2 – 0.5 below 0.2. Hover a token for its id and probability.
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 48 s317 tokens out5,660 prompt tokens
The user is reporting an issue where `xknx` (since version 2.6.0) filters out telegrams originating from the KNX gateway itself.
The user provided a debug log message:
`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 in `xknx/cemi/cemi_handler.py` (or somewhere related to CEMI handling), there is a check that filters out telegrams if they are considered to be from "the gateway itself" or "own CEMI".
The user mentioned a specific commit: `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 317 tokens · stopped: STOP
<|channel>thought
The user is reporting an issue where `xknx` (since version 2.6.0) filters out telegrams originating from the KNX gateway itself.
The user provided a debug log message:
`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 in `xknx/cemi/cemi_handler.py` (or somewhere related to CEMI handling), there is a check that filters out telegrams if they are considered to be from "the gateway itself" or "own CEMI".
The user mentioned a specific commit: `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 53 s83 tokens out6,052 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": 140,
"filepath": "xknx/cemi/cemi_handler.py",
"start_line": 100
}Result of read_file 2,010 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",
"start_line": 100,
"end_line": 140,
"total_lines": 156,
"is_truncated": false
}Generated tokens 83 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:140}<tool_call|><|tool_response>
Turn 3at 114 s831 tokens out6,744 prompt tokens
The problematic code 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
```
It's ignoring `L_DATA_IND` frames if the source address matches `self.xknx.current_address`.
The user says their gateway has address `1.1.255` and it also seems to be the `current_address` (or `xknx` thinks it is).
Wait, the user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
This means the KNX Gateway (which might have the same address as the xknx instance's configured address) is sending telegrams.
If `xknx` is configured with the same physical address as the gateway, then `self.xknx.current_address` will match the source address of telegrams sent by the gateway.
The comment says: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`.
This is usually true for KNX, to avoid loops (if the device sends a group message and then hears it back from the bus).
However, in the case of a gateway that generates its own telegrams (e.g. from Modbus), these are legitimate telegrams that should be processed.
If the user's gateway has the same address as `self.xknx.current_address`, then these telegrams are being ignored.
Is it possible to allow this? The user asks: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?".
If I remove this check, will it cause loops for other users?
Many KNX devices send a group value and thenreceive it back. This is a common occurrence in KNX.
Let's see if we can provide a way to configure this or if it should just be removed.
The issue says "since xknx 2.6.0".
If the user's gateway is the one sending the telegrams, and the user has configured `xknx` to have the same address as the gateway, it makes sense that it's being filtered.
Wait, if the gateway is acting as a TP/IP interface, it usually has its own address. `self.xknx.current_address` is the address used by the `xknx` instance (often set to `None` or a specific physical address).
If `current_address` is `None`, then `cemi.data.src_addr == None` will be false (since `src_addr` is an `IndividualAddress` or similar).
Let's check how `current_address` is handled.
The user mentioned the commit `996697ae8cce878aadfcbd95833b1fde3367008a`.
If I can see what was changed in that commit, I'll have more context. But I don't have `git log` for external commits, only what's in the current repo.
Actually, I can check the `xknx.py` file to see how `current_address` is handled.
TOOL CALL · read_file
{
"filepath": "xknx/xknx.py"
}Result of read_file 5,648 characters
{
"status": "ok",
"filepath": "xknx/xknx.py",
"content": "\"\"\"XKNX is an Asynchronous Python module for reading and writing KNX/IP packets.\"\"\"\nfrom __future__ import annotations\n\nimport asyncio\nfrom collections.abc import Awaitable\nimport logging\nfrom logging.handlers import TimedRotatingFileHandler\nimport os\nimport signal\nfrom sys import platform\nfrom types import TracebackType\nfrom typing import Callable\n\nfrom xknx.cemi import CEMIHandler\nfrom xknx.core import (\n ConnectionManager,\n TaskRegistry,\n TelegramQueue,\n XknxConnectionState,\n)\nfrom xknx.core.state_updater import StateUpdater, TrackerOptionType\nfrom xknx.devices import Device, Devices\nfrom xknx.io import (\n DEFAULT_MCAST_GRP,\n DEFAULT_MCAST_PORT,\n ConnectionConfig,\n knx_interface_factory,\n)\nfrom xknx.management import Management\nfrom xknx.telegram import GroupAddress, GroupAddressType, IndividualAddress, Telegram\n\nfrom .__version__ import __version__ as VERSION\n\nlogger = logging.getLogger(\"xknx.log\")\n\n\nclass XKNX:\n \"\"\"Class for reading and writing KNX/IP packets.\"\"\"\n\n def __init__(\n self,\n address_format: GroupAddressType = GroupAddressType.LONG,\n telegram_received_cb: Callable[[Telegram], Awaitable[None]] | None = None,\n device_updated_cb: Callable[[Device], Awaitable[None]] | None = None,\n connection_state_changed_cb: Callable[[XknxConnectionState], Awaitable[None]]\n | None = None,\n rate_limit: int = 0,\n multicast_group: str = DEFAULT_MCAST_GRP,\n multicast_port: int = DEFAULT_MCAST_PORT,\n log_directory: str | None = None,\n state_updater: TrackerOptionType = False,\n daemon_mode: bool = False,\n connection_config: ConnectionConfig | None = None,\n ) -> None:\n \"\"\"Initialize XKNX class.\"\"\"\n self.connection_manager = ConnectionManager()\n self.devices = Devices()\n self.knxip_interface = knx_interface_factory(\n self, connection_config=connection_config or ConnectionConfig()\n )\n self.management = Management(self)\n self.telegrams: asyncio.Queue[Telegram | None] = asyncio.Queue()\n self.telegram_queue = TelegramQueue(self)\n self.cemi_handler = CEMIHandler(self)\n self.state_updater = StateUpdater(self, default_tracker_option=state_updater)\n self.task_registry = TaskRegistry(self)\n\n self.current_address = IndividualAddress(0)\n self.daemon_mode = daemon_mode\n self.multicast_group = multicast_group\n self.multicast_port = multicast_port\n self.rate_limit = rate_limit\n self.sigint_received = asyncio.Event()\n self.started = asyncio.Event()\n self.version = VERSION\n\n GroupAddress.address_format = address_format # for global string representation\n if log_directory is not None:\n self.setup_logging(log_directory)\n\n if telegram_received_cb is not None:\n self.telegram_queue.register_telegram_received_cb(telegram_received_cb)\n\n if device_updated_cb is not None:\n self.devices.register_device_updated_cb(device_updated_cb)\n\n if connection_state_changed_cb is not None:\n self.connection_manager.register_connection_state_changed_cb(\n connection_state_changed_cb\n )\n\n def __del__(self) -> None:\n \"\"\"Destructor. Cleaning up if this was not done before.\"\"\"\n if self.started.is_set():\n try:\n loop = asyncio.get_event_loop()\n loop.run_until_complete(self.stop())\n except RuntimeError as exp:\n logger.warning(\"Could not close loop, reason: %s\", exp)\n\n async def __aenter__(self) -> \"XKNX\":\n \"\"\"Start XKNX from context manager.\"\"\"\n await self.start()\n return self\n\n async def __aexit__(\n self,\n exc_type: type[BaseException] | None,\n exc: BaseException | None,\n traceback: TracebackType | None,\n ) -> None:\n \"\"\"Stop XKNX from context manager.\"\"\"\n await self.stop()\n\n async def start(self) -> None:\n \"\"\"Start XKNX module. Connect to KNX/IP devices and start state updater.\"\"\"\n if self.knxip_interface.connection_config.threaded:\n await self.connection_manager.register_loop()\n self.task_registry.start()\n logger.info(\n \"XKNX v%s starting %s connection to KNX bus.\",\n VERSION,\n self.knxip_interface.connection_config.connection_type.name.lower(),\n )\n await self.knxip_interface.start()\n await self.telegram_queue.start()\n self.state_updater.start()\n self.started.set()\n if self.daemon_mode:\n await self.loop_until_sigint()\n\n async def join(self) -> None:\n \"\"\"Wait until all telegrams were processed.\"\"\"\n await self.telegrams.join()\n\n async def stop(self) -> None:\n \"\"\"Stop XKNX module.\"\"\"\n self.task_registry.stop()\n self.state_updater.stop()\n await self.join()\n await self.telegram_queue.stop()\n await self.knxip_interface.stop()\n self.started.clear()\n\n async def loop_until_sigint(self) -> None:\n \"\"\"Loop until Crtl-C was pressed.\"\"\"\n\n def sigint_handler() -> None:\n \"\"\"End loop.\"\"\"\n self.sigint_received.set()",
"start_line": 1,
"end_line": 150,
"total_lines": 189,
"is_truncated": true
}Generated tokens 831 tokens · stopped: STOP
The problematic code 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
```
It's ignoring `L_DATA_IND` frames if the source address matches `self.xknx.current_address`.
The user says their gateway has address `1.1.255` and it also seems to be the `current_address` (or `xknx` thinks it is).
Wait, the user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
This means the KNX Gateway (which might have the same address as the xknx instance's configured address) is sending telegrams.
If `xknx` is configured with the same physical address as the gateway, then `self.xknx.current_address` will match the source address of telegrams sent by the gateway.
The comment says: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`.
This is usually true for KNX, to avoid loops (if the device sends a group message and then hears it back from the bus).
However, in the case of a gateway that generates its own telegrams (e.g. from Modbus), these are legitimate telegrams that should be processed.
If the user's gateway has the same address as `self.xknx.current_address`, then these telegrams are being ignored.
Is it possible to allow this? The user asks: "Is there a reason for these frames now being ignored? Is it possible to roll back this change?".
If I remove this check, will it cause loops for other users?
Many KNX devices send a group value and thenreceive it back. This is a common occurrence in KNX.
Let's see if we can provide a way to configure this or if it should just be removed.
The issue says "since xknx 2.6.0".
If the user's gateway is the one sending the telegrams, and the user has configured `xknx` to have the same address as the gateway, it makes sense that it's being filtered.
Wait, if the gateway is acting as a TP/IP interface, it usually has its own address. `self.xknx.current_address` is the address used by the `xknx` instance (often set to `None` or a specific physical address).
If `current_address` is `None`, then `cemi.data.src_addr == None` will be false (since `src_addr` is an `IndividualAddress` or similar).
Let's check how `current_address` is handled.
The user mentioned the commit `996697ae8cce878aadfcbd95833b1fde3367008a`.
If I can see what was changed in that commit, I'll have more context. But I don't have `git log` for external commits, only what's in the current repo.
Actually, I can check the `xknx.py` file to see how `current_address` is handled.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/xknx.py<|"|>}<tool_call|><|tool_response>
Turn 4at 135 s290 tokens out9,186 prompt tokens
I see `self.current_address = IndividualAddress(0)` in `XKNX.__init__`.
I should check where `current_address` is updated.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
This means `cemi.data.src_addr` is `IndividualAddress("1.1.255")`.
If the user has set `xknx.current_address` to `IndividualAddress("1.1.255")`, then it will be ignored.
Wait, why would the user set `current_address` to the gateway's address?
Usually, `current_address` is the address of the device running `xknx`. If the gateway is just a bridge, and `xknx` is running on a PC, `xknx` doesn't necessarily need a physical address unless it's sending telegrams that need a source address.
Actually, if `xknx` sends a telegram, it might use `current_address`.
Let's search for where `current_address` is set or used in other places.
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 290 tokens · stopped: STOP
I see `self.current_address = IndividualAddress(0)` in `XKNX.__init__`.
I should check where `current_address` is updated.
The user says: "A RTU modbus device is connected directly to the gateway, which is why the packets originates from the gateway itself (address 1.1.255)".
This means `cemi.data.src_addr` is `IndividualAddress("1.1.255")`.
If the user has set `xknx.current_address` to `IndividualAddress("1.1.255")`, then it will be ignored.
Wait, why would the user set `current_address` to the gateway's address?
Usually, `current_address` is the address of the device running `xknx`. If the gateway is just a bridge, and `xknx` is running on a PC, `xknx` doesn't necessarily need a physical address unless it's sending telegrams that need a source address.
Actually, if `xknx` sends a telegram, it might use `current_address`.
Let's search for where `current_address` is set or used in other places.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "current_address" .<|"|>}<tool_call|><|tool_response>
Turn 5at 158 s352 tokens out10,678 prompt tokens
I see that `current_address` is set in `xknx/io/tunnel.py` and `xknx/io/routing.py`. In `xknx/io/tunnel.py:203`: `self.xknx.current_address = self._src_address`. In `xknx/io/routing.py:182`: `self.xknx.current_address = self.individual_address`. If the user is using a tunnel, the `ConnectionConfig` might specify a source address, which then gets assigned to `xknx.current_address`. If the gateway itself also uses that same address, then any telegrams coming from the gateway (like Modbus values) will have that source address, and thus will be ignored by the `CEMIHandler`. The comment in `cemi_handler.py` says: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`. This is to avoid loops when the device sends a group message and it's echoed back. However, for some gateways, this is not the case, or the gateway is generating independent telegrams. Can we make this configurable? Or should we just remove it? The user's issue is specifically that since 2.6.0, this is happening. Let's look at `test/cemi_tests/cemi_handler_test.py` to see how this is tested.
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 352 tokens · stopped: STOP
I see that `current_address` is set in `xknx/io/tunnel.py` and `xknx/io/routing.py`.
In `xknx/io/tunnel.py:203`: `self.xknx.current_address = self._src_address`.
In `xknx/io/routing.py:182`: `self.xknx.current_address = self.individual_address`.
If the user is using a tunnel, the `ConnectionConfig` might specify a source address, which then gets assigned to `xknx.current_address`.
If the gateway itself also uses that same address, then any telegrams coming from the gateway (like Modbus values) will have that source address, and thus will be ignored by the `CEMIHandler`.
The comment in `cemi_handler.py` says: `# L_DATA_IND frames from our own address should be ignored (may occur form routing)`.
This is to avoid loops when the device sends a group message and it's echoed back.
However, for some gateways, this is not the case, or the gateway is generating independent telegrams.
Can we make this configurable? Or should we just remove it?
The user's issue is specifically that since 2.6.0, this is happening.
Let's look at `test/cemi_tests/cemi_handler_test.py` to see how this is tested.
<channel|><|tool_call>call:read_file{filepath:<|"|>test/cemi_tests/cemi_handler_test.py<|"|>}<tool_call|><|tool_response>
Turn 6at 177 s313 tokens out12,901 prompt tokens
The `test_incoming_cemi` test:
```python
def test_incoming_cemi():
\"\"\"Test incoming CEMI.\"\"\"
xknx = XKNX()
xknx.current_address = IndividualAddress(\"1.1.1\")
# TDataGroup Telegram
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
)
test_group_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
xknx.cemi_handler.handle_cemi_frame(test_group_cemi)
assert xknx.telegrams.qsize() == 1
```
Wait, in this test, `xknx.current_address` is `1.1.1`.
What is the `src_addr` of `test_group_cemi`?
`CEMILData.init_from_telegram(test_telegram)` is called. Let's see what `CEMILData.init_from_telegram` does.
TOOL CALL · read_file
{
"filepath": "xknx/cemi/cemi_frame.py"
}Result of read_file 4,981 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_frame.py",
"content": "\"\"\"\nModule for serialization and deserialization of KNX/IP CEMI Frame.\n\ncEMI stands for Common External Message Interface\n\nA CEMI frame is the container to transport a KNX/IP Telegram to/from the KNX bus.\n\nDocumentation within:\n\n Application Note 117/08 v02\n KNX IP Communication Medium\n File: AN117 v02.01 KNX IP Communication Medium DV.pdf\n\"\"\"\nfrom __future__ import annotations\n\nfrom abc import ABC, abstractmethod\n\nfrom xknx.exceptions import ConversionError, CouldNotParseCEMI, UnsupportedCEMIMessage\nfrom xknx.profile.const import ResourceObjectType, ResourcePropertyId\nfrom xknx.telegram import GroupAddress, IndividualAddress, Telegram\nfrom xknx.telegram.apci import APCI\nfrom xknx.telegram.tpci import TPCI, TDataBroadcast\n\nfrom .const import CEMIErrorCode, CEMIFlags, CEMIMessageCode\n\n\nclass CEMIInfo:\n \"\"\"\n Raw helper class for all CEMI additional info.\n\n As specified within KNX Chapter 3.6.3/4.1.4.3 \"Additional information\".\n \"\"\"\n\n def __init__(self, raw: bytes = bytes(0)):\n \"\"\"Initialize CEMILInfo object.\"\"\"\n self.raw = raw\n\n def calculated_length(self) -> int:\n \"\"\"Get length of CEMI info.\"\"\"\n return 1 + len(self.raw)\n\n @staticmethod\n def from_knx(raw: bytes) -> tuple[CEMIInfo, bytes]:\n \"\"\"Parse/deserialize from CEMI raw data.\"\"\"\n length = raw[0]\n return CEMIInfo(raw[1 : length + 1]), raw[length + 1 :]\n\n def to_knx(self) -> bytes:\n \"\"\"Serialize to KNX/IP raw data.\"\"\"\n return bytes((len(self.raw),)) + self.raw\n\n def __repr__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n return f'CEMIInfo(\"{self.raw.hex()}\")'\n\n def __eq__(self, other: object) -> bool:\n \"\"\"Equal operator.\"\"\"\n return self.__dict__ == other.__dict__\n\n\nclass CEMIData(ABC):\n \"\"\"Base class for all CEMI data.\"\"\"\n\n @abstractmethod\n def calculated_length(self) -> int:\n \"\"\"Get length of CEMI data.\"\"\"\n\n @abstractmethod\n def to_knx(self) -> bytes:\n \"\"\"Serialize to CEMI raw data.\"\"\"\n\n @classmethod\n @abstractmethod\n def from_knx(cls, raw: bytes) -> CEMIData:\n \"\"\"Parse/deserialize from KNX/IP raw data.\"\"\"\n\n @abstractmethod\n def __repr__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n\n def __eq__(self, other: object) -> bool:\n \"\"\"Equal operator.\"\"\"\n if self.__class__ != other.__class__:\n return False\n return self.__dict__ == other.__dict__\n\n\nclass CEMILData(CEMIData):\n \"\"\"Representation of CEMI Link Layer Data.\"\"\"\n\n def __init__(\n self,\n *,\n flags: int,\n src_addr: IndividualAddress,\n dst_addr: GroupAddress | IndividualAddress,\n tpci: TPCI,\n payload: APCI | None,\n ):\n \"\"\"Initialize CEMILData object.\"\"\"\n self.flags = flags\n self.src_addr = src_addr\n self.dst_addr = dst_addr\n self.tpci = tpci\n self.payload = payload\n\n @property\n def hops(self) -> int:\n \"\"\"Return hops.\"\"\"\n return (self.flags & 0x0070) >> 4\n\n @hops.setter\n def hops(self, val: int) -> None:\n \"\"\"Set hops.\"\"\"\n # Resetting hops\n self.flags &= 0xFFFF ^ 0x0070\n # Setting new hops\n self.flags |= val << 4\n\n def calculated_length(self) -> int:\n \"\"\"Get length of KNX/IP body.\"\"\"\n if not self.tpci.control and self.payload is not None:\n return 8 + self.payload.calculated_length()\n if self.tpci.control and self.payload is None:\n return 8\n raise TypeError(\"Data TPDU must have a payload; control TPDU must not.\")\n\n @staticmethod\n def init_from_telegram(\n telegram: Telegram,\n src_addr: IndividualAddress | None = None,\n ) -> CEMILData:\n \"\"\"Return CEMILData from a Telegram.\"\"\"\n flags = (\n CEMIFlags.FRAME_TYPE_STANDARD\n | CEMIFlags.DO_NOT_REPEAT\n | CEMIFlags.BROADCAST\n | CEMIFlags.NO_ACK_REQUESTED\n | CEMIFlags.CONFIRM_NO_ERROR\n | CEMIFlags.HOP_COUNT_1ST\n )\n if isinstance(telegram.destination_address, GroupAddress):\n flags |= CEMIFlags.DESTINATION_GROUP_ADDRESS\n if isinstance(telegram.tpci, TDataBroadcast):\n flags |= CEMIFlags.PRIORITY_SYSTEM\n else:\n flags |= CEMIFlags.PRIORITY_LOW\n elif isinstance(telegram.destination_address, IndividualAddress):\n flags |= (\n CEMIFlags.DESTINATION_INDIVIDUAL_ADDRESS | CEMIFlags.PRIORITY_SYSTEM",
"start_line": 1,
"end_line": 150,
"total_lines": 668,
"is_truncated": true
}Generated tokens 313 tokens · stopped: STOP
The `test_incoming_cemi` test:
```python
def test_incoming_cemi():
\"\"\"Test incoming CEMI.\"\"\"
xknx = XKNX()
xknx.current_address = IndividualAddress(\"1.1.1\")
# TDataGroup Telegram
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
)
test_group_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
xknx.cemi_handler.handle_cemi_frame(test_group_cemi)
assert xknx.telegrams.qsize() == 1
```
Wait, in this test, `xknx.current_address` is `1.1.1`.
What is the `src_addr` of `test_group_cemi`?
`CEMILData.init_from_telegram(test_telegram)` is called. Let's see what `CEMILData.init_from_telegram` does.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_frame.py<|"|>}<tool_call|><|tool_response>
Turn 7at 180 s54 tokens out14,774 prompt tokens
Let's read more of `CEMILData.init_from_telegram`.
TOOL CALL · read_file
{
"filepath": "xknx/cemi/cemi_frame.py",
"start_line": 151
}Result of read_file 5,248 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_frame.py",
"content": " )\n else:\n raise TypeError()\n\n return CEMILData(\n flags=flags,\n src_addr=src_addr or telegram.source_address,\n dst_addr=telegram.destination_address,\n tpci=telegram.tpci,\n payload=telegram.payload,\n )\n\n def telegram(self) -> Telegram:\n \"\"\"Return Telegram from a CEMILData.\"\"\"\n\n return Telegram(\n destination_address=self.dst_addr,\n payload=self.payload,\n source_address=self.src_addr,\n tpci=self.tpci,\n )\n\n def to_knx(self) -> bytes:\n \"\"\"Serialize to KNX/IP raw data.\"\"\"\n if self.tpci.control:\n tpdu = self.tpci.to_knx().to_bytes(1, \"big\")\n npdu_len = 0\n else:\n if not isinstance(self.payload, APCI):\n raise ConversionError(\n f\"Invalid payload set for data TPDU: {type(self.payload)}\"\n )\n tpdu = self.payload.to_knx()\n tpdu[0] |= self.tpci.to_knx()\n npdu_len = self.payload.calculated_length()\n\n return (\n self.flags.to_bytes(2, \"big\")\n + self.src_addr.to_knx()\n + self.dst_addr.to_knx()\n + npdu_len.to_bytes(1, \"big\")\n + tpdu\n )\n\n @classmethod\n def from_knx(cls, raw: bytes) -> CEMILData:\n \"\"\"Parse L_DATA_IND, CEMIMessageCode.L_DATA_REQ, CEMIMessageCode.L_DATA_CON.\"\"\"\n if len(raw) < 8:\n raise CouldNotParseCEMI(\n f\"CEMI too small. Length: {len(raw)}; CEMI: {raw.hex()}\"\n )\n\n # Control field 1 and Control field 2 - first 2 octets\n flags = int.from_bytes(raw[0:2], \"big\")\n\n src_addr = IndividualAddress.from_knx(raw[2:4])\n\n _dst_is_group_address = bool(flags & CEMIFlags.DESTINATION_GROUP_ADDRESS)\n dst_addr: GroupAddress | IndividualAddress = (\n GroupAddress.from_knx(raw[4:6])\n if _dst_is_group_address\n else IndividualAddress.from_knx(raw[4:6])\n )\n\n _npdu_len = raw[6]\n _tpdu = raw[7:]\n _apdu = bytes([_tpdu[0] & 0b11]) + _tpdu[1:] # clear TPCI bits\n if len(_apdu) != (_npdu_len + 1): # TCPI octet not included in NPDU length\n raise CouldNotParseCEMI(\n f\"APDU LEN should be {_npdu_len} but is {len(_apdu) - 1} \"\n f\"from {src_addr} in CEMI: {raw.hex()}\"\n )\n\n # TPCI (transport layer control information)\n # - with control bit set -> 8 bit; no APDU\n # - no control bit set (data) -> First 6 bit\n # APCI (application layer control information) -> Last 10 bit of TPCI/APCI\n try:\n tpci = TPCI.resolve(\n raw_tpci=_tpdu[0],\n dst_is_group_address=_dst_is_group_address,\n dst_is_zero=not dst_addr.raw,\n )\n except ConversionError as err:\n raise UnsupportedCEMIMessage(\n f\"TPCI not supported: {_tpdu[0]:#10b} \"\n f\"from {src_addr} in CEMI: {raw.hex()}\"\n ) from err\n\n if tpci.control:\n if _npdu_len:\n raise CouldNotParseCEMI(\n f\"Invalid length for control TPDU {tpci}: {_npdu_len}\"\n f\" from {src_addr} in CEMI: {raw.hex()}\"\n )\n return cls(\n flags=flags,\n src_addr=src_addr,\n dst_addr=dst_addr,\n tpci=tpci,\n payload=None,\n )\n\n try:\n payload = APCI.from_knx(_apdu)\n except ConversionError as err:\n raise UnsupportedCEMIMessage(\n f\"APDU not supported from {src_addr} \"\n f\"from {src_addr} in CEMI: {raw.hex()}\"\n ) from err\n\n return cls(\n flags=flags,\n src_addr=src_addr,\n dst_addr=dst_addr,\n tpci=tpci,\n payload=payload,\n )\n\n def __repr__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n return (\n \"CEMILData(\"\n f'src_addr=\"{self.src_addr.__repr__()}\" '\n f'dst_addr=\"{self.dst_addr.__repr__()}\" '\n f'flags=\"{self.flags:16b}\" '\n f'tpci=\"{self.tpci}\" '\n f'payload=\"{self.payload}\")'\n )\n\n\nclass CEMIMPropInfo:\n \"\"\"Representation of CEMI Device Management Property.\"\"\"\n\n LENGTH = 6\n\n def __init__(\n self,\n *,\n object_type: ResourceObjectType,\n object_instance: int = 1,\n property_id: ResourcePropertyId | int,\n number_of_elements: int = 1,\n start_index: int = 1,\n ):\n \"\"\"Initialize CEMIMProp object.\"\"\"\n self.object_type = object_type\n self.object_instance = object_instance\n self.property_id = (\n property_id.value",
"start_line": 151,
"end_line": 300,
"total_lines": 668,
"is_truncated": true
}Generated tokens 54 tokens · stopped: STOP
Let's read more of `CEMILData.init_from_telegram`.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_frame.py<|"|>,start_line:151}<tool_call|><|tool_response>
Turn 8at 259 s256 tokens out8,125 prompt tokens
In `init_from_telegram`:
```python
return CEMILData(
flags=flags,
src_addr=src_addr or telegram.source_address,
dst_addr=telegram.destination_address,
tpci=telegram.tpci,
payload=telegram.payload,
)
```
In `test_incoming_cemi`:
```python
# TDataGroup Telegram
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
)
test_group_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
```
The `test_telegram` is created without `source_address`.
In `xknx/telegram/__init__.py`, `Telegram` might have a default `source_address`. Let's check.
TOOL CALL · read_file
{
"filepath": "xknx/telegram/__init__.py"
}Result of read_file 585 characters
{
"status": "ok",
"filepath": "xknx/telegram/__init__.py",
"content": "\"\"\"\nModule for handling KNX primitives.\n\n* KNX Addresses\n* KNX Telegrams\n\n\"\"\"\n# flake8: noqa\nfrom .address import GroupAddress, GroupAddressType, IndividualAddress\nfrom .address_filter import AddressFilter\nfrom .telegram import Telegram, TelegramDirection\n\n__all__ = [\n \"AddressFilter\",\n \"GroupAddress\",\n \"GroupAddressType\",\n \"IndividualAddress\",\n \"Telegram\",\n \"TelegramDirection\",\n]",
"start_line": 1,
"end_line": 20,
"total_lines": 20,
"is_truncated": false
}Generated tokens 256 tokens · stopped: STOP
In `init_from_telegram`:
```python
return CEMILData(
flags=flags,
src_addr=src_addr or telegram.source_address,
dst_addr=telegram.destination_address,
tpci=telegram.tpci,
payload=telegram.payload,
)
```
In `test_incoming_cemi`:
```python
# TDataGroup Telegram
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
)
test_group_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
```
The `test_telegram` is created without `source_address`.
In `xknx/telegram/__init__.py`, `Telegram` might have a default `source_address`. Let's check.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/telegram/__init__.py<|"|>}<tool_call|><|tool_response>
Turn 9at 263 s41 tokens out8,578 prompt tokens
Actually, let's check `xknx/telegram/telegram.py`.
TOOL CALL · read_file
{
"filepath": "xknx/telegram/telegram.py"
}Result of read_file 3,278 characters
{
"status": "ok",
"filepath": "xknx/telegram/telegram.py",
"content": "\"\"\"\nModule for KNX Telegrams.\n\nThe telegram class is the lightweight interaction object between\n\n* business logic (Lights, Covers, etc) and\n* underlying KNX/IP abstraction (KNX-Routing/KNX-Tunneling).\n\nIt contains\n\n* the direction (incoming or outgoing)\n* the group address (e.g. 1/2/3)\n* and the payload (e.g. GroupValueWrite(\"12%\")).\n\n\"\"\"\nfrom __future__ import annotations\n\nfrom enum import Enum\n\nfrom .address import GroupAddress, IndividualAddress, InternalGroupAddress\nfrom .apci import APCI\nfrom .tpci import TPCI, TDataBroadcast, TDataGroup, TDataIndividual\n\n\nclass TelegramDirection(Enum):\n \"\"\"Enum class for the communication direction of a telegram (from KNX bus or to KNX bus).\"\"\"\n\n INCOMING = \"Incoming\"\n OUTGOING = \"Outgoing\"\n\n\nclass Telegram:\n \"\"\"Class for KNX telegrams.\"\"\"\n\n def __init__(\n self,\n destination_address: GroupAddress | IndividualAddress | InternalGroupAddress,\n direction: TelegramDirection = TelegramDirection.OUTGOING,\n payload: APCI | None = None,\n source_address: IndividualAddress | None = None,\n tpci: TPCI | None = None,\n ) -> None:\n \"\"\"Initialize Telegram class.\"\"\"\n self.destination_address = destination_address\n self.direction = direction\n self.payload = payload\n self.source_address = source_address or IndividualAddress(0)\n self.tpci: TPCI\n if tpci is None:\n if isinstance(destination_address, GroupAddress):\n if destination_address.raw == 0:\n self.tpci = TDataBroadcast()\n else:\n self.tpci = TDataGroup()\n elif isinstance(destination_address, IndividualAddress):\n self.tpci = TDataIndividual()\n else: # InternalGroupAddress\n self.tpci = TDataGroup()\n else:\n self.tpci = tpci\n\n def __str__(self) -> str:\n \"\"\"Return object as readable string.\"\"\"\n data = f'payload=\"{self.payload}\"' if self.payload else f'tpci=\"{self.tpci}\"'\n return (\n \"<Telegram \"\n f'direction=\"{self.direction.value}\" '\n f'source_address=\"{self.source_address}\" '\n f'destination_address=\"{self.destination_address}\" '\n f\"{data} />\"\n )\n\n def __repr__(self) -> str:\n \"\"\"Return object as string representation.\"\"\"\n return (\n \"Telegram(\"\n f\"destination_address={self.destination_address}, \"\n f\"direction={self.direction}, \"\n f\"payload={self.payload}, \"\n f\"source_address={self.source_address}, \"\n f\"tpci={self.tpci}\"\n \")\"\n )\n\n def __eq__(self, other: object) -> bool:\n \"\"\"Equal operator.\"\"\"\n return self.__dict__ == other.__dict__\n\n def __hash__(self) -> int:\n \"\"\"Hash function.\"\"\"\n # used to turn lists of Telegram into sets in unittests\n return hash(repr(self))",
"start_line": 1,
"end_line": 92,
"total_lines": 92,
"is_truncated": false
}Generated tokens 41 tokens · stopped: STOP
Actually, let's check `xknx/telegram/telegram.py`.<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/telegram/telegram.py<|"|>}<tool_call|><|tool_response>
Turn 10at 367 s1,366 tokens out9,547 prompt tokens
`self.source_address = source_address or IndividualAddress(0)`.
So in `test_incoming_cemi`, `test_telegram.source_address` is `IndividualAddress(0)`.
The `xknx.current_address` is `IndividualAddress("1.1.1")`.
They are different, so the filter doesn't trigger.
Now I have a good understanding of where the bug is and why it happens.
The fix should probably involve allowing the user to disable this filtering, or we should reconsider if this filtering is even necessary.
The issue says:
"The issue was traced to a change in `xknx/cemi/cemi_handler.py`. A check was introduced that ignores `L_DATA_IND` frames if the source address matches `self.xknx.current_address` to prevent routing loops."
If we remove this check, will it cause routing loops?
If XKNX sends a group telegram, and the KNX IP interface (in Routing mode) echoes it back to XKNX, then XKNX would receive its own telegram.
If XKNX then processes this telegram and possibly triggers some action that sends another telegram, we have a loop.
However, if we allow this to be configurable, we give the user the choice.
Let's see if we can add a configuration option to `XKNX`.
Looking at `xknx/__init__.py` (which is likely where `XKNX` is defined).
But wait, the issue says "legitimate telegrams generated by the gateway (on behalf of connected devices) are ignored".
If the gateway is acting as a proxy for other devices, and it uses its own address as the source address, then those telegrams are filtered out.
One way to fix this without adding a config option is to check if the telegram is a group telegram.
Wait, the filter is:
```python
if frame.data.src_addr == self.xknx.current_address:
self.logger.debug("Ignoring own CEMI...")
return
```
It doesn't check if it's a group or individual telegram.
If it's an individual telegram sent TO XKNX, we probably want it.
If it's a group telegram that XKNX sent, and it's echoed back, we probably don't want it.
But what if the gateway generates a group telegram using its own address? Then we miss it.
If we look at how other KNX libraries handle this, or if we just make it configurable.
The current implementation is very blunt.
If I add a property `ignore_own_cemi` to `XKNX` and use it in `CEMIHandler`.
Default should probably be `True` to maintain current behavior (and prevent loops for most users), but this is breaking change.
Actually, the user is complaining that it's broken *now* because it was added.
If I look at the history (which I can't), I don't know what the default was.
Let's see if `XKNX` has some configuration.
Actually, I can just remove the check and see if it's really a problem. But that might introduce bugs for others.
Another option: only ignore if the `dst_addr` is also something XKNX is interested in? No, that's not quite right.
If the `CEMIFrame` has `L_DATA_IND` and `src_addr == current_address`, and it's a group address destination, then it's likely an echo of a message XKNX sent.
If it's an individual address destination, and it's `current_address`, then it's a message sent TO XKNX. We should definitely NOT ignore that.
Wait, if it's an individual address destination, and the source is also `current_address`? That's weird.
Let's check `cemi_handler.py` again.
```python
def handle_cemi_frame(self, frame: CEMIFrame) -> None:
"""Handle incoming CEMI frame."""
if frame.code == CEMIMessageCode.L_DATA_IND:
if frame.data.src_addr == self.xknx.current_address:
self.logger.debug("Ignoring own CEMI...")
return
self.telegram_received(frame.data.telegram())
```
If it's a group telegram, `frame.data.dst_addr` is a `GroupAddress`.
If it's an individual telegram, `frame.data.dst_addr` is an `IndividualAddress`.
If it's an individual telegram sent to XKNX's address, the `dst_addr` will be `self.xknx.current_address`.
If the `src_addr` is also `self.xknx.current_address`, it's really weird.
The most common case for "own CEMI" is:
XKNX sends Group Telegram (Src: 1.1.1, Dst: 1/1/1).
Gateway echoes it back (Src: 1.1.1, Dst: 1/1/1).
XKNX receives it.
In this case, `frame.data.src_addr == 1.1.1` and `self.xknx.current_address == 1.1.1`.
If the gateway generates a telegram for a Modbus device:
Gateway sends Group Telegram (Src: 1.1.1, Dst: 1/1/1).
XKNX receives it.
Again, the same condition is met.
The only way to distinguish is if XKNX knows it didn't send this telegram. But it doesn't keep track of sent telegrams in a way that would be useful here (they are sent and then we wait for `L_DATA_CON`).
So, the best approach might be to make this configurable.
Let's see where `XKNX` is defined.
TOOL CALL · run_command
{
"command": "grep -rn \"class XKNX\" xknx/__init__.py"
}Result of run_command 127 characters
{
"status": "error",
"error_type": "CommandError",
"error_message": "",
"details": {
"stdout": "",
"stderr": "",
"exit_code": 1
}
}Generated tokens 1,366 tokens · stopped: STOP
`self.source_address = source_address or IndividualAddress(0)`.
So in `test_incoming_cemi`, `test_telegram.source_address` is `IndividualAddress(0)`.
The `xknx.current_address` is `IndividualAddress("1.1.1")`.
They are different, so the filter doesn't trigger.
Now I have a good understanding of where the bug is and why it happens.
The fix should probably involve allowing the user to disable this filtering, or we should reconsider if this filtering is even necessary.
The issue says:
"The issue was traced to a change in `xknx/cemi/cemi_handler.py`. A check was introduced that ignores `L_DATA_IND` frames if the source address matches `self.xknx.current_address` to prevent routing loops."
If we remove this check, will it cause routing loops?
If XKNX sends a group telegram, and the KNX IP interface (in Routing mode) echoes it back to XKNX, then XKNX would receive its own telegram.
If XKNX then processes this telegram and possibly triggers some action that sends another telegram, we have a loop.
However, if we allow this to be configurable, we give the user the choice.
Let's see if we can add a configuration option to `XKNX`.
Looking at `xknx/__init__.py` (which is likely where `XKNX` is defined).
But wait, the issue says "legitimate telegrams generated by the gateway (on behalf of connected devices) are ignored".
If the gateway is acting as a proxy for other devices, and it uses its own address as the source address, then those telegrams are filtered out.
One way to fix this without adding a config option is to check if the telegram is a group telegram.
Wait, the filter is:
```python
if frame.data.src_addr == self.xknx.current_address:
self.logger.debug("Ignoring own CEMI...")
return
```
It doesn't check if it's a group or individual telegram.
If it's an individual telegram sent TO XKNX, we probably want it.
If it's a group telegram that XKNX sent, and it's echoed back, we probably don't want it.
But what if the gateway generates a group telegram using its own address? Then we miss it.
If we look at how other KNX libraries handle this, or if we just make it configurable.
The current implementation is very blunt.
If I add a property `ignore_own_cemi` to `XKNX` and use it in `CEMIHandler`.
Default should probably be `True` to maintain current behavior (and prevent loops for most users), but this is breaking change.
Actually, the user is complaining that it's broken *now* because it was added.
If I look at the history (which I can't), I don't know what the default was.
Let's see if `XKNX` has some configuration.
Actually, I can just remove the check and see if it's really a problem. But that might introduce bugs for others.
Another option: only ignore if the `dst_addr` is also something XKNX is interested in? No, that's not quite right.
If the `CEMIFrame` has `L_DATA_IND` and `src_addr == current_address`, and it's a group address destination, then it's likely an echo of a message XKNX sent.
If it's an individual address destination, and it's `current_address`, then it's a message sent TO XKNX. We should definitely NOT ignore that.
Wait, if it's an individual address destination, and the source is also `current_address`? That's weird.
Let's check `cemi_handler.py` again.
```python
def handle_cemi_frame(self, frame: CEMIFrame) -> None:
"""Handle incoming CEMI frame."""
if frame.code == CEMIMessageCode.L_DATA_IND:
if frame.data.src_addr == self.xknx.current_address:
self.logger.debug("Ignoring own CEMI...")
return
self.telegram_received(frame.data.telegram())
```
If it's a group telegram, `frame.data.dst_addr` is a `GroupAddress`.
If it's an individual telegram, `frame.data.dst_addr` is an `IndividualAddress`.
If it's an individual telegram sent to XKNX's address, the `dst_addr` will be `self.xknx.current_address`.
If the `src_addr` is also `self.xknx.current_address`, it's really weird.
The most common case for "own CEMI" is:
XKNX sends Group Telegram (Src: 1.1.1, Dst: 1/1/1).
Gateway echoes it back (Src: 1.1.1, Dst: 1/1/1).
XKNX receives it.
In this case, `frame.data.src_addr == 1.1.1` and `self.xknx.current_address == 1.1.1`.
If the gateway generates a telegram for a Modbus device:
Gateway sends Group Telegram (Src: 1.1.1, Dst: 1/1/1).
XKNX receives it.
Again, the same condition is met.
The only way to distinguish is if XKNX knows it didn't send this telegram. But it doesn't keep track of sent telegrams in a way that would be useful here (they are sent and then we wait for `L_DATA_CON`).
So, the best approach might be to make this configurable.
Let's see where `XKNX` is defined.
<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "class XKNX" xknx/__init__.py<|"|>}<tool_call|><|tool_response>
Turn 11at 370 s54 tokens out10,968 prompt tokens
Maybe it's in `xknx/xknx.py` or something. Let me search for `class XKNX`.
TOOL CALL · run_command
{
"command": "grep -rn \"class XKNX\" ."
}Result of run_command 157 characters
{
"status": "ok",
"stdout": "./xknx/xknx.py:37:class XKNX:\n./xknx/exceptions/exception.py:8:class XKNXException(Exception):\n",
"stderr": "",
"exit_code": 0
}Generated tokens 54 tokens · stopped: STOP
Maybe it's in `xknx/xknx.py` or something. Let me search for `class XKNX`.<channel|><|tool_call>call:run_command{command:<|"|>grep -rn "class XKNX" .<|"|>}<tool_call|><|tool_response>
Turn 12at 374 s59 tokens out11,102 prompt tokens
Okay, it's in `xknx/xknx.py`. Let's check its `__init__`.
TOOL CALL · read_file
{
"filepath": "xknx/xknx.py",
"start_line": 37
}Result of read_file 5,935 characters
{
"status": "ok",
"filepath": "xknx/xknx.py",
"content": "class XKNX:\n \"\"\"Class for reading and writing KNX/IP packets.\"\"\"\n\n def __init__(\n self,\n address_format: GroupAddressType = GroupAddressType.LONG,\n telegram_received_cb: Callable[[Telegram], Awaitable[None]] | None = None,\n device_updated_cb: Callable[[Device], Awaitable[None]] | None = None,\n connection_state_changed_cb: Callable[[XknxConnectionState], Awaitable[None]]\n | None = None,\n rate_limit: int = 0,\n multicast_group: str = DEFAULT_MCAST_GRP,\n multicast_port: int = DEFAULT_MCAST_PORT,\n log_directory: str | None = None,\n state_updater: TrackerOptionType = False,\n daemon_mode: bool = False,\n connection_config: ConnectionConfig | None = None,\n ) -> None:\n \"\"\"Initialize XKNX class.\"\"\"\n self.connection_manager = ConnectionManager()\n self.devices = Devices()\n self.knxip_interface = knx_interface_factory(\n self, connection_config=connection_config or ConnectionConfig()\n )\n self.management = Management(self)\n self.telegrams: asyncio.Queue[Telegram | None] = asyncio.Queue()\n self.telegram_queue = TelegramQueue(self)\n self.cemi_handler = CEMIHandler(self)\n self.state_updater = StateUpdater(self, default_tracker_option=state_updater)\n self.task_registry = TaskRegistry(self)\n\n self.current_address = IndividualAddress(0)\n self.daemon_mode = daemon_mode\n self.multicast_group = multicast_group\n self.multicast_port = multicast_port\n self.rate_limit = rate_limit\n self.sigint_received = asyncio.Event()\n self.started = asyncio.Event()\n self.version = VERSION\n\n GroupAddress.address_format = address_format # for global string representation\n if log_directory is not None:\n self.setup_logging(log_directory)\n\n if telegram_received_cb is not None:\n self.telegram_queue.register_telegram_received_cb(telegram_received_cb)\n\n if device_updated_cb is not None:\n self.devices.register_device_updated_cb(device_updated_cb)\n\n if connection_state_changed_cb is not None:\n self.connection_manager.register_connection_state_changed_cb(\n connection_state_changed_cb\n )\n\n def __del__(self) -> None:\n \"\"\"Destructor. Cleaning up if this was not done before.\"\"\"\n if self.started.is_set():\n try:\n loop = asyncio.get_event_loop()\n loop.run_until_complete(self.stop())\n except RuntimeError as exp:\n logger.warning(\"Could not close loop, reason: %s\", exp)\n\n async def __aenter__(self) -> \"XKNX\":\n \"\"\"Start XKNX from context manager.\"\"\"\n await self.start()\n return self\n\n async def __aexit__(\n self,\n exc_type: type[BaseException] | None,\n exc: BaseException | None,\n traceback: TracebackType | None,\n ) -> None:\n \"\"\"Stop XKNX from context manager.\"\"\"\n await self.stop()\n\n async def start(self) -> None:\n \"\"\"Start XKNX module. Connect to KNX/IP devices and start state updater.\"\"\"\n if self.knxip_interface.connection_config.threaded:\n await self.connection_manager.register_loop()\n self.task_registry.start()\n logger.info(\n \"XKNX v%s starting %s connection to KNX bus.\",\n VERSION,\n self.knxip_interface.connection_config.connection_type.name.lower(),\n )\n await self.knxip_interface.start()\n await self.telegram_queue.start()\n self.state_updater.start()\n self.started.set()\n if self.daemon_mode:\n await self.loop_until_sigint()\n\n async def join(self) -> None:\n \"\"\"Wait until all telegrams were processed.\"\"\"\n await self.telegrams.join()\n\n async def stop(self) -> None:\n \"\"\"Stop XKNX module.\"\"\"\n self.task_registry.stop()\n self.state_updater.stop()\n await self.join()\n await self.telegram_queue.stop()\n await self.knxip_interface.stop()\n self.started.clear()\n\n async def loop_until_sigint(self) -> None:\n \"\"\"Loop until Crtl-C was pressed.\"\"\"\n\n def sigint_handler() -> None:\n \"\"\"End loop.\"\"\"\n self.sigint_received.set()\n\n if platform == \"win32\":\n logger.warning(\"Windows does not support signals\")\n else:\n loop = asyncio.get_running_loop()\n loop.add_signal_handler(signal.SIGINT, sigint_handler)\n logger.warning(\"Press Ctrl+C to stop\")\n await self.sigint_received.wait()\n\n @staticmethod\n def setup_logging(log_directory: str) -> None:\n \"\"\"Configure logging to file.\"\"\"\n if not os.path.isdir(log_directory):\n logger.warning(\"The provided log directory does not exist.\")\n return\n\n _handler = TimedRotatingFileHandler(\n filename=f\"{log_directory}{os.sep}xknx.log\",\n when=\"midnight\",\n backupCount=7,\n encoding=\"utf-8\",\n )\n _formatter = logging.Formatter(\n \"%(asctime)s | %(name)s | %(levelname)s | %(message)s\",\n datefmt=\"%Y-%m-%d %H:%M:%S\",\n )\n _handler.setFormatter(_formatter)\n _handler.setLevel(logging.DEBUG)\n\n for log_namespace in [\n \"xknx.cemi\",\n \"xknx.log\",\n \"xknx.knx\",\n \"xknx.raw_socket\",\n \"xknx.telegram\",\n \"xknx.state_updater\",",
"start_line": 37,
"end_line": 186,
"total_lines": 189,
"is_truncated": true
}Generated tokens 59 tokens · stopped: STOP
Okay, it's in `xknx/xknx.py`. Let's check its `__init__`.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/xknx.py<|"|>,start_line:37}<tool_call|><|tool_response>
Turn 13at 402 s542 tokens out12,863 prompt tokens
I can add an `ignore_own_cemi: bool = True` argument to `XKNX.__init__`. However, that's a lot of changes to the API. Alternatively, I can just remove the filter. If it causes routing loops, it's better to document it or make it an attribute of `XKNX` that can be set after initialization. Actually, if I just remove the filter, is it really that bad? The user says it's a bug that it's filtering. Let's check if there are other places where `current_address` is used to filter. Also, let's see if I can reproduce this with a test case.
TOOL CALL · write_file
{
"content": "\nimport asyncio\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\nasync def test_repro():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Telegram coming from the gateway (which has the same address as xknx)\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n source_address=IndividualAddress(\"1.1.255\"),\n )\n \n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n \n print(\"Before processing: queue size =\", xknx.telegrams.qsize())\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n print(\"After processing: queue size =\", xknx.telegrams.qsize())\n \n if xknx.telegrams.qsize() == 0:\n print(\"FAILED: Telegram was ignored\")\n else:\n print(\"PASSED: Telegram was received\")\n\nif __name__ == \"__main__\":\n asyncio.run(test_repro())\n\"\"\"\n",
"filepath": "/tmp/repro.py"
}Result of write_file 136 characters
{
"status": "error",
"error_type": "FileWriteError",
"error_message": "Path traversal detected: '/tmp/repro.py' escapes workspace root."
}Generated tokens 542 tokens · stopped: STOP
I can add an `ignore_own_cemi: bool = True` argument to `XKNX.__init__`.
However, that's a lot of changes to the API.
Alternatively, I can just remove the filter. If it causes routing loops, it's better to document it or make it an attribute of `XKNX` that can be set after initialization.
Actually, if I just remove the filter, is it really that bad?
The user says it's a bug that it's filtering.
Let's check if there are other places where `current_address` is used to filter.
Also, let's see if I can reproduce this with a test case.<channel|><|tool_call>call:write_file{filepath:<|"|>/tmp/repro.py<|"|>,content:<|"|>
import asyncio
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
async def test_repro():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Telegram coming from the gateway (which has the same address as xknx)
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
source_address=IndividualAddress("1.1.255"),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
print("Before processing: queue size =", xknx.telegrams.qsize())
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print("After processing: queue size =", xknx.telegrams.qsize())
if xknx.telegrams.qsize() == 0:
print("FAILED: Telegram was ignored")
else:
print("PASSED: Telegram was received")
if __name__ == "__main__":
asyncio.run(test_repro())
"""
<|"|>}<tool_call|><|tool_response>
Turn 14at 418 s415 tokens out13,460 prompt tokens
Ah, I should write it to `/workspace/repro.py` or just run it inline.
TOOL CALL · run_command
{
"command": "python3 - <<'PY'\nimport asyncio\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\nasync def test_repro():\n xknx = XKNX()\n xknx.current_address = IndividualAddress(\"1.1.255\")\n \n # Telegram coming from the gateway (which has the same address as xknx)\n test_telegram = Telegram(\n destination_address=GroupAddress(1),\n payload=apci.GroupValueWrite(DPTArray((1,))),\n source_address=IndividualAddress(\"1.1.255\"),\n )\n \n test_cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_IND,\n data=CEMILData.init_from_telegram(test_telegram),\n )\n \n print(f\"Before processing: queue size = {xknx.telegrams.qsize()}\")\n xknx.cemi_handler.handle_cemi_frame(test_cemi)\n print(f\"After processing: queue size = {xknx.telegrams.qsize()}\")\n \n if xknx.telegrams.qsize() == 0:\n print(\"FAILED: Telegram was ignored\")\n else:\n print(\"PASSED: Telegram was received\")\n\nif __name__ == \"__main__\":\n asyncio.run(test_repro())\nPY\n"
}Result of run_command 159 characters
{
"status": "ok",
"stdout": "Before processing: queue size = 0\nAfter processing: queue size = 0\nFAILED: Telegram was ignored\n",
"stderr": "",
"exit_code": 0
}Generated tokens 415 tokens · stopped: STOP
Ah, I should write it to `/workspace/repro.py` or just run it inline.
<channel|><|tool_call>call:run_command{command:<|"|>python3 - <<'PY'
import asyncio
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
async def test_repro():
xknx = XKNX()
xknx.current_address = IndividualAddress("1.1.255")
# Telegram coming from the gateway (which has the same address as xknx)
test_telegram = Telegram(
destination_address=GroupAddress(1),
payload=apci.GroupValueWrite(DPTArray((1,))),
source_address=IndividualAddress("1.1.255"),
)
test_cemi = CEMIFrame(
code=CEMIMessageCode.L_DATA_IND,
data=CEMILData.init_from_telegram(test_telegram),
)
print(f"Before processing: queue size = {xknx.telegrams.qsize()}")
xknx.cemi_handler.handle_cemi_frame(test_cemi)
print(f"After processing: queue size = {xknx.telegrams.qsize()}")
if xknx.telegrams.qsize() == 0:
print("FAILED: Telegram was ignored")
else:
print("PASSED: Telegram was received")
if __name__ == "__main__":
asyncio.run(test_repro())
PY
<|"|>}<tool_call|><|tool_response>
Turn 15at 443 s342 tokens out13,940 prompt tokens
Reproduction confirmed.
Now, how to fix it?
If I remove the check completely:
```python
def handle_cemi_frame(self, frame: CEMIFrame) -> None:
"""Handle incoming CEMI frame."""
if frame.code == CEMIMessageCode.L_DATA_IND:
# Removed: if frame.data.src_addr == self.xknx.current_address:
# self.logger.debug("Ignoring own CEMI...")
# return
self.telegram_received(frame.data.telegram())
```
Will it cause routing loops?
If XKNX sends a group telegram, the KNX IP interface (if it's a Router) will typically not echo it back to the same device unless it's configured to do so. But some gateways might.
If it does echo it back, then `telegram_received` will be called.
`telegram_received` puts the telegram into the `telegrams` queue.
Then `TelegramQueue` will process it.
If the user has a callback that responds to that telegram by sending another one, we could have a loop. But usually, users don't send telegrams in response to the same group telegram they just sent.
However, the a more robust fix would be to allow this to be configured.
Let's check `xknx/cemi/cemi_handler.py` again.
TOOL CALL · read_file
{
"filepath": "xknx/cemi/cemi_handler.py"
}Result of read_file 6,152 characters
{
"status": "ok",
"filepath": "xknx/cemi/cemi_handler.py",
"content": "\"\"\"\nCEMI Frame handler.\n\nThis class represents a CEMI Client vaguely according to KNX specification 3/6/3 §4.1.2.\nIt is responsible for sending and receiving CEMI frames to/from a CEMI Server - this\ncan be a remote server when using IP tunnelling or a local server when using IP routing.\n\"\"\"\nfrom __future__ import annotations\n\nimport asyncio\nimport logging\nfrom typing import TYPE_CHECKING\n\nfrom xknx.exceptions import (\n CommunicationError,\n ConfirmationError,\n ConversionError,\n CouldNotParseCEMI,\n DataSecureError,\n UnsupportedCEMIMessage,\n)\nfrom xknx.secure.data_secure import DataSecure\nfrom xknx.secure.keyring import Keyring\nfrom xknx.telegram import IndividualAddress, Telegram, TelegramDirection, tpci\n\nfrom .cemi_frame import CEMIFrame, CEMILData\nfrom .const import CEMIMessageCode\n\nif TYPE_CHECKING:\n from xknx.xknx import XKNX\n\nlogger = logging.getLogger(\"xknx.cemi\")\ndata_secure_logger = logging.getLogger(\"xknx.data_secure\")\n\n# See 3/6/3 EMI_IMI §4.1.5 Data Link Layer messages\nREQUEST_TO_CONFIRMATION_TIMEOUT = 3\n\n\nclass CEMIHandler:\n \"\"\"Class for handling CEMI frames from/to the TelegramQueue.\"\"\"\n\n def __init__(self, xknx: XKNX) -> None:\n \"\"\"Initialize CEMIHandler class.\"\"\"\n self.xknx = xknx\n self.data_secure: DataSecure | None = None\n self._l_data_confirmation_event = asyncio.Event()\n\n def data_secure_init(self, keyring: Keyring | None) -> None:\n \"\"\"Initialize DataSecure.\"\"\"\n if keyring is None:\n self.data_secure = None\n else:\n self.data_secure = DataSecure.init_from_keyring(keyring)\n\n async def send_telegram(self, telegram: Telegram) -> None:\n \"\"\"Create a CEMIFrame from a Telegram and send it to the CEMI Server.\"\"\"\n cemi_data = CEMILData.init_from_telegram(\n telegram=telegram,\n src_addr=(\n self.xknx.current_address if telegram.source_address.raw == 0 else None\n ),\n )\n cemi = CEMIFrame(\n code=CEMIMessageCode.L_DATA_REQ,\n data=cemi_data,\n )\n\n logger.debug(\"Outgoing CEMI: %s\", cemi)\n if self.data_secure is not None:\n cemi.data = self.data_secure.outgoing_cemi(cemi_data=cemi_data)\n self._l_data_confirmation_event.clear()\n try:\n await self.xknx.knxip_interface.send_cemi(cemi)\n except (ConversionError, CommunicationError) as ex:\n logger.warning(\"Could not send CEMI frame: %s for %s\", ex, cemi)\n self.xknx.connection_manager.cemi_count_outgoing_error += 1\n raise ex\n\n try:\n await asyncio.wait_for(\n self._l_data_confirmation_event.wait(),\n timeout=REQUEST_TO_CONFIRMATION_TIMEOUT,\n )\n except asyncio.TimeoutError:\n self.xknx.connection_manager.cemi_count_outgoing_error += 1\n raise ConfirmationError(\n f\"L_DATA_CON Data Link Layer confirmation timed out for {cemi}\"\n )\n self.xknx.connection_manager.cemi_count_outgoing += 1\n\n def handle_raw_cemi(self, raw_cemi: bytes) -> None:\n \"\"\"Parse and handle incoming raw CEMI Frames.\"\"\"\n try:\n cemi = CEMIFrame.from_knx(raw_cemi)\n except CouldNotParseCEMI as cemi_parse_err:\n logger.warning(\"CEMI Frame failed to parse: %s\", cemi_parse_err)\n self.xknx.connection_manager.cemi_count_incoming_error += 1\n return\n except UnsupportedCEMIMessage as unsupported_cemi_err:\n 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": 1,
"end_line": 150,
"total_lines": 156,
"is_truncated": true
}Generated tokens 342 tokens · stopped: STOP
Reproduction confirmed.
Now, how to fix it?
If I remove the check completely:
```python
def handle_cemi_frame(self, frame: CEMIFrame) -> None:
"""Handle incoming CEMI frame."""
if frame.code == CEMIMessageCode.L_DATA_IND:
# Removed: if frame.data.src_addr == self.xknx.current_address:
# self.logger.debug("Ignoring own CEMI...")
# return
self.telegram_received(frame.data.telegram())
```
Will it cause routing loops?
If XKNX sends a group telegram, the KNX IP interface (if it's a Router) will typically not echo it back to the same device unless it's configured to do so. But some gateways might.
If it does echo it back, then `telegram_received` will be called.
`telegram_received` puts the telegram into the `telegrams` queue.
Then `TelegramQueue` will process it.
If the user has a callback that responds to that telegram by sending another one, we could have a loop. But usually, users don't send telegrams in response to the same group telegram they just sent.
However, the a more robust fix would be to allow this to be configured.
Let's check `xknx/cemi/cemi_handler.py` again.
<channel|><|tool_call>call:read_file{filepath:<|"|>xknx/cemi/cemi_handler.py<|"|>}<tool_call|><|tool_response>
Patch, tests and logs
Final code change Included
Test output Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test errors Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
Test report (JUnit) Missing
Not saved for this rollout. Nothing has been inferred or reconstructed.
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.
[ 22.2s] 💭 (802 chars) "The user is reporting an issue where `xknx` (since version 2.6.0) filters out telegrams
originating from the KNX gateway..."
[ 22.2s] 🔧 run_command grep -rn --include="*.py" "Ignoring own CEMI" .
[ 22.2s] → ./xknx/cemi/cemi_handler.py:126: logger.debug("Ignoring own CEMI: %s", cemi)
[ 27.3s] 💭 (103 chars) "The log message is in `xknx/cemi/cemi_handler.py` at line 126.
Let's examine the code around that line."
[ 27.3s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 27.3s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': ' logger.info("CEMI not
supported: %s", …
[ 88.2s] 💭 (2891 chars) "The problematic code is:
```python
if (\n cemi.code is CEMIMessageCode.L_DATA_IND\n and ce..."
[ 88.2s] 📖 read_file (xknx/xknx.py)
[ 88.2s] ✓ {'status': 'ok', 'filepath': 'xknx/xknx.py', 'content': '"""XKNX is an Asynchronous Python module for
reading and writin…
[ 108.9s] 💭 (911 chars) "I see `self.current_address = IndividualAddress(0)` in `XKNX.__init__`.
I should check where `current_address` is update..."
[ 108.9s] 🔧 run_command grep -rn "current_address" .
[ 109.0s] → ./xknx/core/value_reader.py:75: source_address=self.xknx.current_address,
[ 131.8s] 💭 (1102 chars) "I see that `current_address` is set in `xknx/io/tunnel.py` and `xknx/io/routing.py`.
In `xknx/io/tunnel.py:203`: `self.x..."
[ 131.8s] 📖 read_file (test/cemi_tests/cemi_handler_test.py)
[ 131.8s] ✓ {'status': 'ok', 'filepath': 'test/cemi_tests/cemi_handler_test.py', 'content': '"""Test for
CEMIHandler."""\nimport asy…
[ 151.3s] 💭 (785 chars) "The `test_incoming_cemi` test:
```python
def test_incoming_cemi():
\"\"\"Test incoming CEMI.\"\"\"
xknx = XKNX()..."
[ 151.3s] 📖 read_file (xknx/cemi/cemi_frame.py)
[ 151.3s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_frame.py', 'content': '"""\nModule for serialization and
deserialization of…
[ 154.2s] 💭 (50 chars) "Let's read more of `CEMILData.init_from_telegram`."
[ 154.2s] 📖 read_file (xknx/cemi/cemi_frame.py)
[ 154.3s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_frame.py', 'content': ' )\n else:\n
raise Type…
[ 233.1s] 💭 (768 chars) "In `init_from_telegram`:
```python
return CEMILData(
flags=flags,
src_addr=src_addr or t..."
[ 233.1s] 📖 read_file (xknx/telegram/__init__.py)
[ 233.2s] ✓ {'status': 'ok', 'filepath': 'xknx/telegram/__init__.py', 'content': '"""\nModule for handling KNX
primitives.\n\n* KNX …
[ 236.9s] 💭 (50 chars) "Actually, let's check `xknx/telegram/telegram.py`."
[ 236.9s] 📖 read_file (xknx/telegram/telegram.py)
[ 236.9s] ✓ {'status': 'ok', 'filepath': 'xknx/telegram/telegram.py', 'content': '"""\nModule for KNX
Telegrams.\n\nThe telegram cla…
[ 341.0s] 💭 (4691 chars) "`self.source_address = source_address or IndividualAddress(0)`.
So in `test_incoming_cemi`, `test_telegram.source_addres..."
[ 341.0s] 🔧 run_command grep -rn "class XKNX" xknx/__init__.py
[ 341.1s] → error (exit 0):
[ 344.1s] 💭 (74 chars) "Maybe it's in `xknx/xknx.py` or something. Let me search for `class XKNX`."
[ 344.1s] 🔧 run_command grep -rn "class XKNX" .
[ 344.1s] → ./xknx/xknx.py:37:class XKNX:
[ 347.6s] 💭 (57 chars) "Okay, it's in `xknx/xknx.py`. Let's check its `__init__`."
[ 347.6s] 📖 read_file (xknx/xknx.py)
[ 347.6s] ✓ {'status': 'ok', 'filepath': 'xknx/xknx.py', 'content': 'class XKNX:\n """Class for reading and
writing KNX/IP packet…
[ 375.6s] 💭 (540 chars) "I can add an `ignore_own_cemi: bool = True` argument to `XKNX.__init__`.
However, that's a lot of changes to the API.
A..."
[ 375.6s] 📝 write_file (/tmp/repro.py, 35 lines)
[ 375.6s] ❌ {'status': 'error', 'error_type': 'FileWriteError', 'error_message': "Path traversal detected:
'/tmp/repro.py' escapes w…
[ 391.6s] 💭 (69 chars) "Ah, I should write it to `/workspace/repro.py` or just run it inline."
[ 391.6s] 🔧 run_command (35 lines) python3 - <<'PY'
[ 391.9s] → Before processing: queue size = 0
[ 417.0s] 💭 (1167 chars) "Reproduction confirmed.
Now, how to fix it?
If I remove the check completely:
```python
def handle_cemi_frame(self,..."
[ 417.0s] 📖 read_file (xknx/cemi/cemi_handler.py)
[ 417.1s] ✓ {'status': 'ok', 'filepath': 'xknx/cemi/cemi_handler.py', 'content': '"""\nCEMI Frame handler.\n\nThis
class represents …
Native result row
{
"agent_error": "Agent exceeded session timeout (7.5 min)",
"duration_seconds": 478.54,
"error": "Empty agent patch",
"grade": {
"error": "Empty agent patch",
"resolved": false,
"strict_clean_patch": false,
"test_exit_code": -1
},
"instance_id": "xknx__xknx-1227",
"pass_idx": 0,
"patch_chars": 0,
"phase1_seconds": 478.53,
"repo": "XKNX/xknx",
"request_log_path": "/kaggle-root/working/r31/rollouts_X/requests/xknx__xknx-1227__p0__r0.jsonl",
"resolved": false,
"rollout_idx": 0,
"run_key": "xknx__xknx-1227__p0__r0",
"strict_clean_patch": false,
"tool_calls": 15,
"total_llm_calls": 15,
"trace_path": "/kaggle-root/working/r31/rollouts_X/traces/trace_xknx__xknx-1227__p0__r0.json"
}