412 lines
17 KiB
Python
412 lines
17 KiB
Python
# target_simulator/gui/payload_router.py
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"""Payload router for buffering SFP payloads for the GUI.
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This module extracts the DebugPayloadRouter class so the router can be
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reused and tested independently from the Tkinter window.
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"""
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import threading
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import collections
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import datetime
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import os
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import logging
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import math
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import json
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import ctypes
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import time
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from queue import Queue, Full
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from typing import Dict, Optional, Any, List, Callable, Tuple
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from target_simulator.core.sfp_structures import SFPHeader, SfpRisStatusPayload
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from target_simulator.analysis.simulation_state_hub import SimulationStateHub
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from target_simulator.core.models import Target
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# Module-level logger for this module
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logger = logging.getLogger(__name__)
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PayloadHandler = Callable[[bytearray], None]
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TargetListListener = Callable[[List[Target]], None]
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class DebugPayloadRouter:
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"""
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A unified router that handles payloads for the entire application.
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It updates the SimulationStateHub and broadcasts processed data to
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registered listeners. This class is thread-safe.
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"""
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def __init__(
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self,
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simulation_hub: Optional[SimulationStateHub] = None,
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):
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self.active_archive = None
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self._log_prefix = "[DebugPayloadRouter]"
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self._lock = threading.Lock()
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self._latest_payloads: Dict[str, Any] = {}
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self._last_raw_packet: Optional[tuple] = None
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self._history_size = 20
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self._history = collections.deque(maxlen=self._history_size)
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self._persist = False
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self._hub = simulation_hub
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# Listeners for real-time target data broadcasts
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self._ris_target_listeners: List[TargetListListener] = []
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project_root = os.path.abspath(
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os.path.join(os.path.dirname(__file__), "..", "..")
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)
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self._persist_dir = os.path.join(project_root, "Temp")
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try:
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os.makedirs(self._persist_dir, exist_ok=True)
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except Exception:
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pass
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self._handlers: Dict[int, PayloadHandler] = {
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ord("M"): lambda p: self._update_last_payload("MFD", p),
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ord("S"): lambda p: self._update_last_payload("SAR", p),
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ord("B"): lambda p: self._update_last_payload("BIN", p),
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ord("J"): lambda p: self._update_last_payload("JSON", p),
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ord("R"): self._handle_ris_status,
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ord("r"): self._handle_ris_status,
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}
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logger.info(f"{self._log_prefix} Initialized (Hub: {self._hub is not None}).")
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self._logger = logger
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def set_archive(self, archive):
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"""Imposta la sessione di archivio corrente per la registrazione."""
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with self._lock:
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self.active_archive = archive
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def add_ris_target_listener(self, listener: TargetListListener):
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"""Registers a callback function to receive updates for real targets."""
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with self._lock:
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if listener not in self._ris_target_listeners:
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self._ris_target_listeners.append(listener)
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self._logger.info(f"RIS target listener added: {listener}")
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def remove_ris_target_listener(self, listener: TargetListListener):
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"""Unregisters a callback function."""
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with self._lock:
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try:
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self._ris_target_listeners.remove(listener)
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self._logger.info(f"RIS target listener removed: {listener}")
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except ValueError:
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pass
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def get_handlers(self) -> Dict[int, PayloadHandler]:
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return self._handlers
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def _update_last_payload(self, flow_id: str, payload: Any):
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with self._lock:
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self._latest_payloads[flow_id] = payload
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def _parse_ris_payload_to_targets(
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self, payload: bytearray
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) -> Tuple[List[Target], List[int]]:
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"""
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Parse RIS payload and return a tuple:
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- list of Target objects for entries with flags != 0 (active targets)
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- list of integer target IDs present with flags == 0 (inactive)
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"""
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targets: List[Target] = []
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inactive_ids: List[int] = []
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try:
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parsed_payload = SfpRisStatusPayload.from_buffer_copy(payload)
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for i, ris_target in enumerate(parsed_payload.tgt.tgt):
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if ris_target.flags != 0:
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target = Target(
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target_id=i, trajectory=[], active=True, traceable=True
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)
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M_TO_FT = 3.280839895
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pos_x_ft = float(ris_target.y) * M_TO_FT
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pos_y_ft = float(ris_target.x) * M_TO_FT
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pos_z_ft = float(ris_target.z) * M_TO_FT
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setattr(target, "_pos_x_ft", pos_x_ft)
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setattr(target, "_pos_y_ft", pos_y_ft)
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setattr(target, "_pos_z_ft", pos_z_ft)
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target._update_current_polar_coords()
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try:
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raw_h = float(ris_target.heading)
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# Server should send heading in radians; but be tolerant:
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# if the magnitude looks like radians (<= ~2*pi) convert to degrees,
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# otherwise assume it's already degrees.
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if abs(raw_h) <= (2 * math.pi * 1.1):
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hdg_deg = math.degrees(raw_h)
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unit = "rad"
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else:
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hdg_deg = raw_h
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unit = "deg"
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target.current_heading_deg = hdg_deg % 360
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# Store the raw value on the Target for later correlation
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try:
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setattr(target, "_raw_heading", raw_h)
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except Exception:
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pass
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self._logger.debug(
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f"Parsed RIS heading for target {i}: raw={raw_h} assumed={unit} hdg_deg={target.current_heading_deg:.6f}"
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)
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except (ValueError, TypeError):
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target.current_heading_deg = 0.0
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targets.append(target)
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else:
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try:
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inactive_ids.append(int(i))
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except Exception:
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pass
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except Exception:
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self._logger.exception(
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f"{self._log_prefix} Failed to parse RIS payload into Target objects."
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)
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return targets, inactive_ids
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def _handle_ris_status(self, payload: bytearray):
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real_targets, inactive_ids = self._parse_ris_payload_to_targets(payload)
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if self._hub:
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try:
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# Use the client's monotonic clock as the single source of truth for timestamps
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# to ensure simulated and real data can be correlated.
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reception_timestamp = time.monotonic()
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# Record a single packet-level arrival timestamp so callers can
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# measure packets/sec (instead of per-target events/sec).
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try:
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if hasattr(self._hub, "add_real_packet"):
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self._hub.add_real_packet(reception_timestamp)
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except Exception:
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# Non-fatal: continue even if packet recording fails
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pass
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# If payload included inactive targets (flags==0), clear their stored
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# real data so they disappear from the PPI immediately.
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try:
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for tid in inactive_ids or []:
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if hasattr(self._hub, "clear_real_target_data"):
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self._hub.clear_real_target_data(tid)
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except Exception:
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self._logger.debug(
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"Failed to clear inactive target data in hub", exc_info=True
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)
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# Add real states for active targets
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for target in real_targets:
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state_tuple = (
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getattr(target, "_pos_x_ft", 0.0),
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getattr(target, "_pos_y_ft", 0.0),
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getattr(target, "_pos_z_ft", 0.0),
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)
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self._hub.add_real_state(
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target_id=target.target_id,
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timestamp=reception_timestamp,
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state=state_tuple,
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)
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# Propagate heading information (if available) into the hub
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try:
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for target in real_targets:
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if hasattr(self._hub, "set_real_heading"):
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raw_val = getattr(target, "_raw_heading", None)
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self._hub.set_real_heading(
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target.target_id,
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getattr(target, "current_heading_deg", 0.0),
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raw_value=raw_val,
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)
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except Exception:
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self._logger.debug(
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"Failed to propagate heading to hub", exc_info=True
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)
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# if self._update_queue:
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# try:
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# self._update_queue.put_nowait([])
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# except Full:
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# self._logger.warning(
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# f"{self._log_prefix} GUI update queue is full; dropped notification."
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# )
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except Exception:
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self._logger.exception(
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"DebugPayloadRouter: Failed to process RIS for Hub."
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)
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with self._lock:
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archive = self.active_archive
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if archive:
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reception_timestamp = time.monotonic()
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for target in real_targets:
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state_tuple = (
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getattr(target, "_pos_x_ft", 0.0),
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getattr(target, "_pos_y_ft", 0.0),
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getattr(target, "_pos_z_ft", 0.0),
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)
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archive.add_real_state(
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target_id=target.target_id,
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timestamp=reception_timestamp,
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state=state_tuple,
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)
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# --- BROADCAST to all registered listeners ---
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with self._lock:
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for listener in self._ris_target_listeners:
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try:
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listener(real_targets)
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except Exception:
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self._logger.exception(f"Error in RIS target listener: {listener}")
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# --- Buffer other data for debug tabs ---
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try:
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if len(payload) >= SfpRisStatusPayload.size():
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parsed = SfpRisStatusPayload.from_buffer_copy(payload)
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sc = parsed.scenario
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# ... (Text generation logic remains unchanged) ...
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lines = ["RIS Status Payload:\n", "Scenario:"]
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lines.append(f" timetag : {sc.timetag}") # ... etc.
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text_out = "\n".join(lines)
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# Keep backward compatibility: store textual summary under the legacy key
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self._update_last_payload(
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"RIS_STATUS", bytearray(text_out.encode("utf-8"))
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)
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# Also provide explicitly-named text and JSON variants for newer UI consumers
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self._update_last_payload(
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"RIS_STATUS_TEXT", bytearray(text_out.encode("utf-8"))
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)
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def _convert_ctypes(value):
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if hasattr(value, "_length_"):
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return list(value)
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if isinstance(value, ctypes._SimpleCData):
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return value.value
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return value
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scenario_dict = {
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f[0]: _convert_ctypes(getattr(parsed.scenario, f[0]))
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for f in parsed.scenario._fields_
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}
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targets_list = [
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{f[0]: _convert_ctypes(getattr(t, f[0])) for f in t._fields_}
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for t in parsed.tgt.tgt
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]
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struct = {"scenario": scenario_dict, "targets": targets_list}
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json_bytes = bytearray(json.dumps(struct, indent=2).encode("utf-8"))
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self._update_last_payload("RIS_STATUS_JSON", json_bytes)
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# Propagate antenna azimuth into the hub so the GUI can render
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# the antenna orientation. Prefer the RIS field `ant_nav_az` (this
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# is the antenna navigation azimuth). For backward compatibility
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# fall back to `platform_azimuth` if `ant_nav_az` is not present.
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try:
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plat = None
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if "ant_nav_az" in scenario_dict:
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plat = scenario_dict.get("ant_nav_az")
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elif "platform_azimuth" in scenario_dict:
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plat = scenario_dict.get("platform_azimuth")
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if (
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plat is not None
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and self._hub
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and hasattr(self._hub, "set_platform_azimuth")
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):
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try:
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val = float(plat)
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# If the value looks like radians (<= ~2*pi) convert to degrees
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if abs(val) <= (2 * math.pi * 1.1):
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deg = math.degrees(val)
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else:
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deg = val
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recv_ts = (
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reception_timestamp
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if "reception_timestamp" in locals()
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else time.monotonic()
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)
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try:
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# New API: set_antenna_azimuth
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if hasattr(self._hub, "set_antenna_azimuth"):
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self._hub.set_antenna_azimuth(
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deg, timestamp=recv_ts
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)
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else:
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# Fallback to legacy name if present
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self._hub.set_platform_azimuth(
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deg, timestamp=recv_ts
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)
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except Exception:
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self._logger.debug(
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"Failed to set antenna/platform azimuth on hub",
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exc_info=True,
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)
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except Exception:
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pass
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except Exception:
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self._logger.debug(
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"Error while extracting antenna azimuth from RIS payload",
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exc_info=True,
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)
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except Exception:
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self._logger.exception("Failed to generate text/JSON for RIS debug view.")
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def get_and_clear_latest_payloads(self) -> Dict[str, Any]:
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with self._lock:
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new_payloads = self._latest_payloads
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self._latest_payloads = {}
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return new_payloads
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# ... (il resto del file rimane invariato) ...
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def update_raw_packet(self, raw_bytes: bytes, addr: tuple):
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with self._lock:
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self._last_raw_packet = (raw_bytes, addr)
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entry = {"ts": datetime.datetime.utcnow(), "addr": addr, "raw": raw_bytes}
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try:
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hdr = SFPHeader.from_buffer_copy(raw_bytes)
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entry["flow"] = int(hdr.SFP_FLOW)
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entry["tid"] = int(hdr.SFP_TID)
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flow_map = {
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ord("M"): "MFD",
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ord("S"): "SAR",
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ord("B"): "BIN",
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ord("J"): "JSON",
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ord("R"): "RIS",
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ord("r"): "ris",
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}
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entry["flow_name"] = flow_map.get(entry["flow"], str(entry["flow"]))
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except Exception:
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pass
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self._history.append(entry)
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if self._persist:
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try:
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ts = entry["ts"].strftime("%Y%m%dT%H%M%S.%f")
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fname = f"sfp_raw_{ts}_{addr[0].replace(':','_')}_{addr[1]}.bin"
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path = os.path.join(self._persist_dir, fname)
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with open(path, "wb") as f:
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f.write(raw_bytes)
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except Exception:
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pass
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def get_and_clear_raw_packet(self) -> Optional[tuple]:
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with self._lock:
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pkt = self._last_raw_packet
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self._last_raw_packet = None
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return pkt
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def get_history(self):
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with self._lock:
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return list(self._history)
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def clear_history(self):
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with self._lock:
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self._history.clear()
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def set_history_size(self, n: int):
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with self._lock:
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try:
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n = max(1, int(n))
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except Exception:
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return
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self._history_size = n
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new_deque = collections.deque(self._history, maxlen=self._history_size)
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self._history = new_deque
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def set_persist(self, enabled: bool):
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with self._lock:
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self._persist = bool(enabled)
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