322 lines
15 KiB
Python
322 lines
15 KiB
Python
#!/usr/bin/env python3
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"""Run the repository's native XYZAC RTCP case and record LinuxCNC stat ticks.
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This is an oracle collector, not a simulator. It intentionally starts the
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same run-5axis-rtcp.sh launcher used by the native case and reads values only
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from linuxcnc.stat(). Fields unavailable through the public stat API remain
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explicitly null.
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"""
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from __future__ import annotations
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import argparse
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import hashlib
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import json
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import os
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import re
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import signal
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import subprocess
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import sys
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import time
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from pathlib import Path
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from typing import Any
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# The oracle must bind to the same source build that run-5axis-rtcp.sh starts.
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# In particular, importing the distro linuxcnc extension would silently bind to
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# a different NML ABI/version and produce plausible but unusable status values.
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ROOT = Path(__file__).resolve().parents[1]
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SOURCE_PYTHON_DIR = ROOT / "linuxcnc/lib/python"
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sys.path.insert(0, str(SOURCE_PYTHON_DIR))
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import linuxcnc
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from run_axis3_tutorial_native import cleanup_linuxcnc_services
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CASE = "linuxcnc/configs/sim/axis/vismach/5axis/table-rotary-tilting/xyzac-trt.ini"
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PROGRAM = ROOT / "linuxcnc/configs/sim/axis/vismach/5axis/table-rotary-tilting/demos/xyzac_switchkins.ngc"
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SCHEMA = "xyzac-native-linuxcnc-tick-trace.v1"
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def canonical(value: Any) -> str:
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return json.dumps(value, ensure_ascii=False, sort_keys=True, separators=(",", ":"))
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def sha256_bytes(value: bytes) -> str:
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return hashlib.sha256(value).hexdigest()
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def finite_list(value: Any) -> list[float] | None:
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try:
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return [float(item) for item in value]
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except (TypeError, ValueError):
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return None
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def scalar(value: Any) -> float | int | bool | str | None:
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if value is None or isinstance(value, (bool, int, str)):
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return value
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try:
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number = float(value)
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except (TypeError, ValueError):
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return None
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return number if number == number and abs(number) != float("inf") else None
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def stat_row(stat: Any, sample_index: int, previous_taskbeat: int | None) -> dict[str, Any]:
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stat.poll()
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taskbeat = scalar(getattr(stat, "task_heartbeat", None))
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commanded_pose = finite_list(getattr(stat, "position", None))
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distance_to_go = finite_list(getattr(stat, "dtg", None))
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return {
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"sample_index": sample_index,
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"taskbeat": taskbeat,
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"task_heartbeat": taskbeat,
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"taskbeat_changed": previous_taskbeat is None or taskbeat != previous_taskbeat,
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"task_state": scalar(getattr(stat, "task_state", None)),
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"task_mode": scalar(getattr(stat, "task_mode", None)),
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"interp_state": scalar(getattr(stat, "interp_state", None)),
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"exec_state": scalar(getattr(stat, "exec_state", None)),
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"current_line": scalar(getattr(stat, "current_line", None)),
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"motion_line": scalar(getattr(stat, "motion_line", None)),
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"read_line": scalar(getattr(stat, "read_line", None)),
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"actual_pose": finite_list(getattr(stat, "actual_position", None)),
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"commanded_pose": commanded_pose,
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"joint_actual": finite_list(getattr(stat, "joint_actual_position", None)),
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"joint_commanded": finite_list(getattr(stat, "joint_position", None)),
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"velocity": scalar(getattr(stat, "current_vel", None)),
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"acceleration": scalar(getattr(stat, "acceleration", None)),
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"feed_override": scalar(getattr(stat, "feedrate", None)),
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"rapid_override": scalar(getattr(stat, "rapidrate", None)),
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"feed_override_enabled": scalar(getattr(stat, "feed_override_enabled", None)),
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"queue_depth": scalar(getattr(stat, "queue", None)),
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"active_queue": scalar(getattr(stat, "active_queue", None)),
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"queue_full": scalar(getattr(stat, "queue_full", None)),
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"motion_id": scalar(getattr(stat, "motion_id", None)),
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"active_segment_id": scalar(getattr(stat, "motion_id", None)),
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"active_segment_geometry": None,
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"active_segment_geometry_status": "unavailable_linuxcnc_stat_api",
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"distance_to_go": distance_to_go,
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"position": finite_list(getattr(stat, "position", None)),
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"homed": list(getattr(stat, "homed", [])) if getattr(stat, "homed", None) is not None else None,
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"limits": list(getattr(stat, "limit", [])) if getattr(stat, "limit", None) is not None else None,
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"kinematics_type": scalar(getattr(stat, "kinematics_type", None)),
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"motion_type": scalar(getattr(stat, "motion_type", None)),
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"feed_hold_enabled": scalar(getattr(stat, "feed_hold_enabled", None)),
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"paused": scalar(getattr(stat, "paused", None)),
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}
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def wait_stat(stat: Any, predicate: Any, timeout: float) -> None:
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deadline = time.monotonic() + timeout
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while time.monotonic() < deadline:
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stat.poll()
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if predicate(stat):
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return
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time.sleep(0.02)
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raise RuntimeError("native_stat_transition_timeout")
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def terminate_process(process: subprocess.Popen[str]) -> None:
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if process.poll() is not None:
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return
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try:
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os.killpg(process.pid, signal.SIGTERM)
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process.wait(timeout=5)
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except (ProcessLookupError, subprocess.TimeoutExpired):
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try:
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os.killpg(process.pid, signal.SIGKILL)
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except ProcessLookupError:
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pass
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try:
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process.wait(timeout=2)
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except subprocess.TimeoutExpired:
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pass
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def native_axis_window(environment: dict[str, str]) -> dict[str, Any] | None:
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result = subprocess.run(["xwininfo", "-root", "-tree"], env=environment, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL, text=True, check=False)
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for line in result.stdout.splitlines():
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if '("axis" "Axis")' not in line or "xyzac-trt" not in line.lower():
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continue
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marker = line.strip().split('"', 2)
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if len(marker) < 2:
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continue
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size = re.search(r"\)\s+(\d+)x(\d+)\+", line)
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if not size or int(size.group(1)) < 600 or int(size.group(2)) < 400:
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continue
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return {"title": marker[1], "width": int(size.group(1)), "height": int(size.group(2)), "raw": line.strip()}
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return None
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def run(duration: float) -> dict[str, Any]:
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if not PROGRAM.is_file():
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return {"schema": SCHEMA, "status": "blocked", "code": "native_program_missing", "program": PROGRAM.as_posix()}
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cleanup = cleanup_linuxcnc_services()
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environment = os.environ.copy()
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environment["DISPLAY"] = environment.get("DISPLAY", ":1")
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command = ["./run-5axis-rtcp.sh", "xyzac-trt.ini"]
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process = subprocess.Popen(command, cwd=ROOT, env=environment, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True, start_new_session=True)
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output_lines: list[str] = []
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rows: list[dict[str, Any]] = []
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errors: list[str] = []
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stage = "launch"
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stat: Any = None
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control: Any = None
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connected = False
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window: dict[str, Any] | None = None
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try:
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deadline = time.monotonic() + 20
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while time.monotonic() < deadline and process.poll() is None:
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window = native_axis_window(environment)
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if not window:
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time.sleep(0.1)
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continue
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# The AXIS toplevel is created only after linuxcncsvr/milltask have
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# opened the NML buffers. Creating linuxcnc.stat before that point
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# permanently binds an invalid channel, so wait for the real
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# window first and create fresh channels afterwards.
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time.sleep(0.1)
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if stat is None or control is None or not connected:
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if not window:
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raise RuntimeError("native_linuxcnc_window_unavailable")
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stat = None
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control = None
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attach_deadline = time.monotonic() + 10
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while time.monotonic() < attach_deadline and process.poll() is None:
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try:
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candidate_stat = linuxcnc.stat()
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candidate_stat.poll()
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stat = candidate_stat
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control = linuxcnc.command()
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connected = True
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break
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except BaseException:
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stat = None
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control = None
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time.sleep(0.1)
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if stat is None or control is None or not connected:
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raise RuntimeError("native_linuxcnc_stat_unavailable")
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stage = "state_estop_reset"
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control.state(linuxcnc.STATE_ESTOP_RESET)
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control.wait_complete(5)
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wait_stat(stat, lambda item: item.task_state != linuxcnc.STATE_ESTOP, 5)
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stage = "state_on"
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control.state(linuxcnc.STATE_ON)
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control.wait_complete(5)
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wait_stat(stat, lambda item: item.task_state == linuxcnc.STATE_ON, 5)
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stage = "mode_manual"
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control.mode(linuxcnc.MODE_MANUAL)
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control.wait_complete(5)
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for joint in range(5):
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stage = f"home_joint_{joint}"
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control.home(joint)
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control.wait_complete(5)
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stage = "wait_home_all"
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wait_stat(stat, lambda item: all(bool(value) for value in list(getattr(item, "homed", []))[:5]), 10)
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stage = "program_open"
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control.program_open(str(PROGRAM))
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control.wait_complete(5)
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stage = "mode_auto"
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control.mode(linuxcnc.MODE_AUTO)
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control.wait_complete(5)
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stage = "program_run"
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control.auto(linuxcnc.AUTO_RUN, 0)
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start = time.monotonic()
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sample_index = 0
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previous_taskbeat: int | None = None
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last_change = start
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while time.monotonic() - start < duration:
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row = stat_row(stat, sample_index, previous_taskbeat)
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current_taskbeat = row["taskbeat"]
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if row["taskbeat_changed"] or not rows:
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row["native_elapsed_ms"] = round((time.monotonic() - start) * 1000.0, 3)
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rows.append(row)
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previous_taskbeat = current_taskbeat if isinstance(current_taskbeat, int) else previous_taskbeat
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last_change = time.monotonic()
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if row["task_state"] == linuxcnc.STATE_OFF or row["interp_state"] == linuxcnc.INTERP_IDLE and row["queue_depth"] == 0 and len(rows) > 4:
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break
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sample_index += 1
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time.sleep(0.005)
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final = stat_row(stat, sample_index + 1, previous_taskbeat)
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if final["taskbeat_changed"]:
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final["native_elapsed_ms"] = round((time.monotonic() - start) * 1000.0, 3)
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rows.append(final)
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except Exception as error:
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errors.append(f"{stage}:{type(error).__name__}:{error}")
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finally:
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terminate_process(process)
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try:
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output, _ = process.communicate(timeout=2)
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output_lines.extend(output.splitlines())
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except (subprocess.TimeoutExpired, ValueError):
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pass
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cleanup_linuxcnc_services()
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source_bytes = PROGRAM.read_bytes()
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ini_path = ROOT / CASE
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launcher_path = ROOT / "run-5axis-rtcp.sh"
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heartbeat_values = [row.get("task_heartbeat") for row in rows]
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valid_heartbeats = [value for value in heartbeat_values if isinstance(value, int)]
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heartbeat_monotonic = all(left < right for left, right in zip(valid_heartbeats, valid_heartbeats[1:]))
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trace_hash = sha256_bytes(canonical(rows).encode())
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python_module = getattr(linuxcnc, "__file__", None)
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source_python_module = str(ROOT / "linuxcnc/lib/python/linuxcnc.so")
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if python_module != source_python_module:
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errors.append("NATIVE_PYTHON_MODULE_MISMATCH")
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status = "verified" if rows and not errors and heartbeat_monotonic and len(valid_heartbeats) == len(set(valid_heartbeats)) else "blocked"
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if rows and not heartbeat_monotonic:
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errors.append("NATIVE_TASK_HEARTBEAT_NON_MONOTONIC")
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return {
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"schema": SCHEMA,
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"status": status,
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"case": {"path": CASE, "scope": "xyzac_only"},
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"launcher": command,
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"native_axis_window": window,
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"program": {"path": PROGRAM.relative_to(ROOT).as_posix(), "sha256": sha256_bytes(source_bytes)},
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"native_linuxcnc": {"python_module": python_module, "expected_source_python_module": source_python_module, "display": environment["DISPLAY"], "python_module_sha256": sha256_bytes(Path(python_module).read_bytes()) if python_module and Path(python_module).is_file() else None},
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"inputs": {
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"case_ini": {"path": CASE, "sha256": sha256_bytes(ini_path.read_bytes())},
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"launcher": {"path": "run-5axis-rtcp.sh", "sha256": sha256_bytes(launcher_path.read_bytes())},
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"program": {"path": PROGRAM.relative_to(ROOT).as_posix(), "sha256": sha256_bytes(source_bytes)},
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"source_python_module": {"path": source_python_module, "sha256": sha256_bytes(Path(source_python_module).read_bytes()) if Path(source_python_module).is_file() else None},
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},
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"tick_source": "linuxcnc.stat.task_heartbeat",
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"tick_integrity": {"first": valid_heartbeats[0] if valid_heartbeats else None, "last": valid_heartbeats[-1] if valid_heartbeats else None, "row_count": len(valid_heartbeats), "unique_count": len(set(valid_heartbeats)), "strictly_monotonic": heartbeat_monotonic},
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"rows": rows,
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"row_count": len(rows),
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"trace_sha256": trace_hash,
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"errors": errors,
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"launcher_output_tail": "\n".join(output_lines[-80:]),
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"launcher_output_sha256": sha256_bytes("\n".join(output_lines).encode()),
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"cleanup": cleanup,
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"known_boundaries": [
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"native stat exposes motion_id but not full TP segment geometry; active_segment_geometry is explicit null",
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"taskbeat is the public native task-cycle counter; wall-clock is recorded only as diagnostic elapsed_ms",
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"source run-in-place launcher and installed Python extension must use the same LinuxCNC build; mismatch is blocked",
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"this report is an oracle input and does not claim native/WASM parity by itself",
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],
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"release_status": "STOP_RELEASE",
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"report_sha256": None,
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}
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def main() -> int:
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parser = argparse.ArgumentParser()
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parser.add_argument("--duration", type=float, default=8.0)
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parser.add_argument("--output", type=Path, default=Path("coverage/xyzac-native-tick-trace.report.json"))
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args = parser.parse_args()
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report = run(max(0.1, min(args.duration, 300.0)))
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unsigned = {key: value for key, value in report.items() if key != "report_sha256"}
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report["report_sha256"] = sha256_bytes(canonical(unsigned).encode())
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destination = args.output if args.output.is_absolute() else ROOT / args.output
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destination.parent.mkdir(parents=True, exist_ok=True)
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destination.write_text(json.dumps(report, ensure_ascii=False, sort_keys=True, indent=2) + "\n", encoding="utf-8")
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print(json.dumps({"schema": SCHEMA, "status": report["status"], "row_count": report["row_count"], "trace_sha256": report["trace_sha256"], "errors": report["errors"], "report_sha256": report["report_sha256"]}, ensure_ascii=False))
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return 0 if report["status"] == "verified" else 1
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if __name__ == "__main__":
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raise SystemExit(main())
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