fix(device-test): contain tool processes and add reviewed preview
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@@ -0,0 +1,380 @@
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"""设备 V2 基础信息预检与 EPFP/4001 固件升级工具。"""
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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 select
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import socket
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import stat
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import struct
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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, Dict, Iterable, List, Optional, Tuple
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INFO_PORT = 8942
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UPGRADE_PORT = 8943
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INFO_COMMAND = 30101
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UPGRADE_COMMAND = 4001
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MAX_JSON_SIZE = 1024 * 1024
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MAX_STATUS_SIZE = 1024 * 1024
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MAX_ROM_SIZE = 0xFFFFFFFF
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STATUS_SIZE = 21
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class UpgradeError(RuntimeError):
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"""表示预检、协议或升级过程失败。"""
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def recv_exact(sock: socket.socket, size: int) -> bytes:
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"""读取指定字节数；对端提前关闭时立即失败。"""
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data = bytearray()
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while len(data) < size:
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chunk = sock.recv(size - len(data))
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if not chunk:
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raise UpgradeError("设备在响应完整之前关闭了连接")
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data.extend(chunk)
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return bytes(data)
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def query_device_info(host: str, timeout: float, logger: EventLogger) -> Dict[str, Any]:
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"""通过 EPTP/30101 查询并严格校验设备基础信息。"""
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session = int(time.time() * 1000) & 0xFFFFFFFF
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request_object = {"cmd": INFO_COMMAND, "session": session}
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request = json.dumps(request_object, separators=(",", ":")).encode("utf-8")
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logger.emit("info_request", host=host, port=INFO_PORT, request=request_object)
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with socket.create_connection((host, INFO_PORT), timeout=timeout) as sock:
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sock.settimeout(timeout)
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sock.sendall(b"EPTP" + struct.pack("!I", len(request)) + request)
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header = recv_exact(sock, 8)
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if header[:4] != b"EPTP":
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raise UpgradeError("基础信息响应同步头不是 EPTP：%r" % (header[:4],))
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payload_size = struct.unpack("!I", header[4:])[0]
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if payload_size == 0 or payload_size > MAX_JSON_SIZE:
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raise UpgradeError("基础信息响应长度不合理：%d" % payload_size)
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payload = recv_exact(sock, payload_size)
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try:
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response = json.loads(payload.decode("utf-8"))
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except (UnicodeDecodeError, json.JSONDecodeError) as exc:
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raise UpgradeError("基础信息响应不是有效 UTF-8 JSON：%s" % exc) from exc
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if not isinstance(response, dict):
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raise UpgradeError("基础信息响应 JSON 顶层不是对象")
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if response.get("cmd") != INFO_COMMAND:
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raise UpgradeError("基础信息响应 cmd 不匹配：%r" % response.get("cmd"))
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if response.get("session") != session:
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raise UpgradeError(
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"基础信息响应 session 不匹配：期望 %d，实际 %r"
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% (session, response.get("session"))
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)
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if response.get("code") != 0:
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raise UpgradeError("基础信息响应 code 非 0：%r" % response.get("code"))
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logger.emit("device_info", response=response)
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return response
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def response_data(response: Dict[str, Any]) -> Dict[str, Any]:
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"""取得响应 data 对象，格式错误时拒绝继续。"""
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data = response.get("data")
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if not isinstance(data, dict):
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raise UpgradeError("基础信息响应缺少 data 对象")
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return data
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def collect_models(data: Dict[str, Any]) -> List[str]:
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"""收集 inner、outer 和 hardware 中可用的型号。"""
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models: List[str] = []
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for section_name in ("inner", "outer", "hardware"):
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section = data.get(section_name)
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if isinstance(section, dict):
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value = section.get("type")
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if isinstance(value, str) and value and value not in models:
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models.append(value)
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return models
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def collect_versions(data: Dict[str, Any]) -> Dict[str, Any]:
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"""收集各固件分区和硬件版本，便于升级前后比对。"""
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versions: Dict[str, Any] = {}
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for section_name in ("inner", "outer", "hardware"):
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section = data.get(section_name)
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if isinstance(section, dict):
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versions[section_name] = section.get("version")
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return versions
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def validate_identity(
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response: Dict[str, Any], expected_sn: str, expected_model: Optional[str]
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) -> Tuple[Dict[str, Any], List[str]]:
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"""对完整 SN 做强校验，并按需校验型号。"""
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data = response_data(response)
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actual_sn = data.get("sn")
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if actual_sn != expected_sn:
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raise UpgradeError("设备 SN 不匹配：期望 %s，实际 %r" % (expected_sn, actual_sn))
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models = collect_models(data)
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if expected_model and expected_model not in models:
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raise UpgradeError(
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"设备型号不匹配：期望 %s，设备报告 %s"
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% (expected_model, models if models else "无可用型号")
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)
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return data, models
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def infer_rom_version(path: Path) -> Optional[str]:
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"""仅从路径中识别明确的四段数字版本号，不猜测其他命名。"""
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candidates: List[str] = []
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pattern = re.compile(r"(?<!\d)(\d+\.\d+\.\d+\.\d+)(?!\d)")
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for part in path.parts:
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candidates.extend(pattern.findall(part))
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return candidates[-1] if candidates else None
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def validate_rom(path: Path) -> Dict[str, Any]:
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"""确认 ROM 为普通非空文件，并计算 SHA-256。"""
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absolute = path.expanduser().resolve(strict=True)
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metadata = os.stat(str(absolute))
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if not stat.S_ISREG(metadata.st_mode):
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raise UpgradeError("ROM 不是普通文件：%s" % absolute)
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if metadata.st_size <= 0:
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raise UpgradeError("ROM 文件为空：%s" % absolute)
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if metadata.st_size > MAX_ROM_SIZE:
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raise UpgradeError("ROM 大于协议 uint32 长度上限：%d" % metadata.st_size)
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digest = hashlib.sha256()
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with absolute.open("rb") as stream:
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for chunk in iter(lambda: stream.read(1024 * 1024), b""):
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digest.update(chunk)
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return {
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"path": str(absolute),
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"size": metadata.st_size,
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"modified": time.strftime(
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"%Y-%m-%d %H:%M:%S", time.localtime(metadata.st_mtime)
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),
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"sha256": digest.hexdigest(),
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"target_version_from_path": infer_rom_version(absolute),
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}
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def parse_status(payload: bytes) -> Dict[str, int]:
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"""解析 21 字节升级状态业务数据。"""
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if len(payload) < STATUS_SIZE:
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raise UpgradeError("升级状态不足 21 字节：%d" % len(payload))
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status, session, download_total, downloaded, flash_total, flashed = struct.unpack(
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"!BIIIII", payload[:STATUS_SIZE]
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)
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if status not in (0, 1, 2, 3):
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raise UpgradeError("未知升级状态值：%d" % status)
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return {
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"status": status,
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"session": session,
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"download_total": download_total,
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"downloaded": downloaded,
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"flash_total": flash_total,
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"flashed": flashed,
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}
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def extract_status_payloads(buffer: bytearray) -> Iterable[Tuple[str, bytes]]:
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"""从 TCP 字节流中提取完整 EPFP 帧或兼容设备实测的裸状态。"""
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while buffer:
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# 同步头被拆包时等待后续数据，避免把半个 EPFP 当裸状态。
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if len(buffer) < 4 and b"EPFP".startswith(bytes(buffer)):
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return
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if buffer[:4] == b"EPFP":
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if len(buffer) < 12:
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return
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command, payload_size = struct.unpack("!II", buffer[4:12])
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if command != UPGRADE_COMMAND:
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raise UpgradeError("升级状态帧 cmd 不匹配：%d" % command)
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if payload_size < STATUS_SIZE or payload_size > MAX_STATUS_SIZE:
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raise UpgradeError("升级状态帧长度不合理：%d" % payload_size)
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if len(buffer) < 12 + payload_size:
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return
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payload = bytes(buffer[12 : 12 + payload_size])
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del buffer[: 12 + payload_size]
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yield "framed", payload
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continue
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if buffer[0] in (0, 1, 2, 3):
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# 合法裸状态内部也可能包含字节串 EPFP，不能在其业务数据中误重同步。
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if len(buffer) < STATUS_SIZE:
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return
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payload = bytes(buffer[:STATUS_SIZE])
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del buffer[:STATUS_SIZE]
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yield "raw", payload
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continue
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sync_position = buffer.find(b"EPFP")
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if sync_position > 0:
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# 首字节不是合法 status，且后方存在同步头时，丢弃无效前缀。
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del buffer[:sync_position]
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continue
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if len(buffer) < STATUS_SIZE:
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return
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# 保留这 21 字节交给状态解析器报告明确的非法 status。
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payload = bytes(buffer[:STATUS_SIZE])
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del buffer[:STATUS_SIZE]
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yield "raw", payload
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def transfer_rom(
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host: str,
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rom_path: Path,
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rom_size: int,
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connect_timeout: float,
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stall_timeout: float,
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total_timeout: float,
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chunk_size: int,
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logger: EventLogger,
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) -> Dict[str, Any]:
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"""发送 ROM，并在同一循环中处理回包、停滞和终态。"""
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result: Dict[str, Any] = {"status": None, "bytes_sent": 0}
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receive_buffer = bytearray()
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pending = bytearray(b"EPFP" + struct.pack("!II", UPGRADE_COMMAND, rom_size))
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started = time.monotonic()
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last_progress = started
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previous_progress: Optional[Tuple[int, int]] = None
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upload_complete = False
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logger.emit(
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"upgrade_connect", host=host, port=UPGRADE_PORT, rom_size=rom_size
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)
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with socket.create_connection((host, UPGRADE_PORT), timeout=connect_timeout) as sock:
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sock.setblocking(False)
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with rom_path.open("rb") as rom:
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while True:
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now = time.monotonic()
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if now - started >= total_timeout:
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raise UpgradeError("升级超过总超时 %.1f 秒" % total_timeout)
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if now - last_progress >= stall_timeout:
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raise UpgradeError("设备下载或烧录进度连续 %.1f 秒无变化" % stall_timeout)
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readable, writable, exceptional = select.select(
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[sock], [] if upload_complete else [sock], [sock], 0.5
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)
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if exceptional:
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raise UpgradeError("升级 TCP 连接出现异常状态")
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if readable:
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chunk = sock.recv(4096)
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if not chunk:
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raise UpgradeError("设备在 status=2 之前关闭升级连接")
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logger.emit("upgrade_rx", size=len(chunk), hex=chunk.hex())
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receive_buffer.extend(chunk)
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for frame_type, payload in extract_status_payloads(receive_buffer):
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status = parse_status(payload)
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logger.emit("device_status", frame=frame_type, **status)
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progress = (status["downloaded"], status["flashed"])
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if previous_progress is None or progress != previous_progress:
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previous_progress = progress
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last_progress = time.monotonic()
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result.update(status)
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if status["status"] == 3:
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raise UpgradeError("设备返回升级失败状态 status=3")
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if status["status"] == 2:
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incomplete_counters = {}
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if (
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status["download_total"] > 0
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and status["downloaded"] < status["download_total"]
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):
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incomplete_counters["download"] = {
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"total": status["download_total"],
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"current": status["downloaded"],
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}
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if (
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status["flash_total"] > 0
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and status["flashed"] < status["flash_total"]
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):
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incomplete_counters["flash"] = {
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"total": status["flash_total"],
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"current": status["flashed"],
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}
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if incomplete_counters:
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logger.emit(
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"protocol_warning",
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message="status=2，但设备进度计数尚未达到其自身总量",
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counters=incomplete_counters,
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)
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logger.emit("protocol_success", status=2)
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return result
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if writable:
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if not pending:
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next_chunk = rom.read(chunk_size)
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if next_chunk:
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pending.extend(next_chunk)
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else:
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upload_complete = True
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logger.emit(
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"client_upload_complete",
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bytes_sent=result["bytes_sent"],
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rom_size=rom_size,
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)
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if pending:
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sent = sock.send(pending)
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if sent <= 0:
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raise UpgradeError("升级 TCP 连接无法继续发送")
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# 前 12 字节是 EPFP 头，不计入 ROM 上传进度。
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previous_wire_bytes = result.get("wire_bytes_sent", 0)
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wire_bytes = previous_wire_bytes + sent
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result["wire_bytes_sent"] = wire_bytes
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result["bytes_sent"] = max(0, min(rom_size, wire_bytes - 12))
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del pending[:sent]
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@@ -0,0 +1,222 @@
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<#
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.SYNOPSIS
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实时显示并保存设备串口数据。
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.DESCRIPTION
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使用 .NET SerialPort 直接独占打开串口。收到的数据会原样写入二进制文件，
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同时解码后实时显示到当前 PowerShell，并按行写入带时间戳的文本日志。
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默认只读取数据，不向设备发送指令。DtrEnable 和 RtsEnable 会改变硬件控制线，
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只有用户明确要求时才能启用。
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.EXAMPLE
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.\serial_monitor.ps1 -Port COMx -LogPath F:\tmp\embedded-app-pc-debug\task\logs\serial.log
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.EXAMPLE
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.\serial_monitor.ps1 -Port COMx -LogPath .\serial.log -DurationSeconds 60
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.PARAMETER DtrEnable
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改变 DTR 硬件控制线；仅在用户明确要求时使用。
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.PARAMETER RtsEnable
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改变 RTS 硬件控制线；仅在用户明确要求时使用。
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#>
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[CmdletBinding()]
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param(
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$Port,
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[Parameter(Mandatory = $true)]
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[ValidateNotNullOrEmpty()]
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[string]$LogPath,
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[ValidateRange(1, 4000000)]
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[int]$BaudRate = 115200,
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[ValidateRange(5, 8)]
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[int]$DataBits = 8,
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[ValidateSet('None', 'Odd', 'Even', 'Mark', 'Space')]
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[string]$Parity = 'None',
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[ValidateSet('One', 'OnePointFive', 'Two')]
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[string]$StopBits = 'One',
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[ValidateSet('None', 'XOnXOff', 'RequestToSend', 'RequestToSendXOnXOff')]
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[string]$Handshake = 'None',
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[string]$EncodingName = 'utf-8',
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[ValidateRange(0, 2147483647)]
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[int]$DurationSeconds = 0,
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[ValidateRange(1, 5000)]
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[int]$PollMilliseconds = 100,
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[ValidateRange(64, 1048576)]
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[int]$BufferSize = 4096,
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||||
|
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[string]$RawPath,
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||||
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||||
[switch]$DtrEnable,
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|
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[switch]$RtsEnable
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)
|
||||
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$ErrorActionPreference = 'Stop'
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$serialPort = $null
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$textWriter = $null
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$rawStream = $null
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||||
$pendingLine = ''
|
||||
|
||||
function Write-TimestampedLines {
|
||||
param(
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||||
[Parameter(Mandatory = $true)]
|
||||
[string]$Text,
|
||||
|
||||
[Parameter(Mandatory = $true)]
|
||||
[System.IO.StreamWriter]$Writer
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||||
)
|
||||
|
||||
$script:pendingLine += $Text
|
||||
while ($true) {
|
||||
$newlineIndex = $script:pendingLine.IndexOf("`n", [System.StringComparison]::Ordinal)
|
||||
if ($newlineIndex -lt 0) {
|
||||
break
|
||||
}
|
||||
$line = $script:pendingLine.Substring(0, $newlineIndex).TrimEnd("`r")
|
||||
$script:pendingLine = $script:pendingLine.Substring($newlineIndex + 1)
|
||||
$Writer.WriteLine(('[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'), $line))
|
||||
}
|
||||
}
|
||||
|
||||
try {
|
||||
$resolvedLogPath = [System.IO.Path]::GetFullPath($LogPath)
|
||||
if ([string]::IsNullOrWhiteSpace($RawPath)) {
|
||||
$resolvedRawPath = $resolvedLogPath + '.raw.bin'
|
||||
}
|
||||
else {
|
||||
$resolvedRawPath = [System.IO.Path]::GetFullPath($RawPath)
|
||||
}
|
||||
|
||||
$logDirectory = [System.IO.Path]::GetDirectoryName($resolvedLogPath)
|
||||
$rawDirectory = [System.IO.Path]::GetDirectoryName($resolvedRawPath)
|
||||
if (-not [string]::IsNullOrWhiteSpace($logDirectory)) {
|
||||
[System.IO.Directory]::CreateDirectory($logDirectory) | Out-Null
|
||||
}
|
||||
if (-not [string]::IsNullOrWhiteSpace($rawDirectory)) {
|
||||
[System.IO.Directory]::CreateDirectory($rawDirectory) | Out-Null
|
||||
}
|
||||
|
||||
$utf8NoBom = New-Object System.Text.UTF8Encoding($false)
|
||||
$textFileStream = New-Object System.IO.FileStream(
|
||||
$resolvedLogPath,
|
||||
[System.IO.FileMode]::Append,
|
||||
[System.IO.FileAccess]::Write,
|
||||
[System.IO.FileShare]::Read
|
||||
)
|
||||
$textWriter = New-Object System.IO.StreamWriter($textFileStream, $utf8NoBom)
|
||||
$textWriter.AutoFlush = $true
|
||||
$rawStream = New-Object System.IO.FileStream(
|
||||
$resolvedRawPath,
|
||||
[System.IO.FileMode]::Append,
|
||||
[System.IO.FileAccess]::Write,
|
||||
[System.IO.FileShare]::Read
|
||||
)
|
||||
|
||||
try {
|
||||
$encoding = [System.Text.Encoding]::GetEncoding($EncodingName)
|
||||
}
|
||||
catch {
|
||||
throw "无法识别编码 '$EncodingName'：$($_.Exception.Message)"
|
||||
}
|
||||
$decoder = $encoding.GetDecoder()
|
||||
|
||||
$serialPort = New-Object System.IO.Ports.SerialPort
|
||||
$serialPort.PortName = $Port
|
||||
$serialPort.BaudRate = $BaudRate
|
||||
$serialPort.DataBits = $DataBits
|
||||
$serialPort.Parity = [System.Enum]::Parse([System.IO.Ports.Parity], $Parity)
|
||||
$serialPort.StopBits = [System.Enum]::Parse([System.IO.Ports.StopBits], $StopBits)
|
||||
$serialPort.Handshake = [System.Enum]::Parse([System.IO.Ports.Handshake], $Handshake)
|
||||
$serialPort.DtrEnable = $DtrEnable.IsPresent
|
||||
$serialPort.RtsEnable = $RtsEnable.IsPresent
|
||||
$serialPort.ReadTimeout = $PollMilliseconds
|
||||
$serialPort.ReadBufferSize = [Math]::Max(4096, $BufferSize)
|
||||
|
||||
try {
|
||||
$serialPort.Open()
|
||||
}
|
||||
catch {
|
||||
throw "无法打开串口 $Port。串口可能不存在或正被其他程序占用：$($_.Exception.Message)"
|
||||
}
|
||||
|
||||
$startTime = Get-Date
|
||||
$startMessage = '[{0}] 已打开 {1}，{2} {3}{4}{5}，流控 {6}；原始数据：{7}' -f `
|
||||
(Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'),
|
||||
$Port,
|
||||
$BaudRate,
|
||||
$DataBits,
|
||||
$Parity.Substring(0, 1),
|
||||
$(if ($StopBits -eq 'One') { '1' } elseif ($StopBits -eq 'Two') { '2' } else { '1.5' }),
|
||||
$Handshake,
|
||||
$resolvedRawPath
|
||||
[Console]::WriteLine($startMessage)
|
||||
$textWriter.WriteLine($startMessage)
|
||||
|
||||
$byteBuffer = New-Object byte[] $BufferSize
|
||||
$charBuffer = New-Object char[] ($encoding.GetMaxCharCount($BufferSize))
|
||||
|
||||
while ($true) {
|
||||
if ($DurationSeconds -gt 0 -and ((Get-Date) - $startTime).TotalSeconds -ge $DurationSeconds) {
|
||||
break
|
||||
}
|
||||
|
||||
try {
|
||||
$count = $serialPort.Read($byteBuffer, 0, $byteBuffer.Length)
|
||||
}
|
||||
catch [System.TimeoutException] {
|
||||
continue
|
||||
}
|
||||
|
||||
if ($count -le 0) {
|
||||
continue
|
||||
}
|
||||
$rawStream.Write($byteBuffer, 0, $count)
|
||||
$rawStream.Flush()
|
||||
|
||||
$charCount = $decoder.GetChars($byteBuffer, 0, $count, $charBuffer, 0, $false)
|
||||
if ($charCount -gt 0) {
|
||||
$text = New-Object string($charBuffer, 0, $charCount)
|
||||
[Console]::Write($text)
|
||||
Write-TimestampedLines -Text $text -Writer $textWriter
|
||||
}
|
||||
}
|
||||
}
|
||||
catch {
|
||||
# 使用字符串连接保留底层异常文本，避免异常内容再次参与格式化。
|
||||
$errorMessage = '[' + (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff') + '] 串口监测失败：' + [string]$_.Exception.Message
|
||||
[Console]::Error.WriteLine($errorMessage)
|
||||
if ($null -ne $textWriter) {
|
||||
$textWriter.WriteLine($errorMessage)
|
||||
}
|
||||
exit 1
|
||||
}
|
||||
finally {
|
||||
if ($null -ne $textWriter -and -not [string]::IsNullOrEmpty($script:pendingLine)) {
|
||||
$textWriter.WriteLine(('[{0}] {1}' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'), $script:pendingLine.TrimEnd("`r")))
|
||||
}
|
||||
if ($null -ne $serialPort) {
|
||||
if ($serialPort.IsOpen) {
|
||||
$serialPort.Close()
|
||||
}
|
||||
$serialPort.Dispose()
|
||||
}
|
||||
if ($null -ne $rawStream) {
|
||||
$rawStream.Dispose()
|
||||
}
|
||||
if ($null -ne $textWriter) {
|
||||
$textWriter.WriteLine('[{0}] 串口监测结束' -f (Get-Date -Format 'yyyy-MM-dd HH:mm:ss.fff'))
|
||||
$textWriter.Dispose()
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,26 @@
|
||||
{
|
||||
"schema_version": 1,
|
||||
"review_date": "2026-10-16",
|
||||
"scope": "Discovery and firmware protocol helpers only; no original skill policy or credentials imported.",
|
||||
"files": [
|
||||
{
|
||||
"file": "device_upgrade.py",
|
||||
"upstream_relative_path": "embedded-app-pc-debug/scripts/device_upgrade.py",
|
||||
"upstream_sha256": "ce72435ff4a3dbe3cc0c28dd81c2a7873b60e55bb64f09055a64900b8f921578",
|
||||
"vendored_sha256": "b50c12c982a6944a2112e22dfed87c0fdfdc311e6c6ff43a5ce9fa2a726b00ed",
|
||||
"changes": [
|
||||
"Extracted reusable protocol functions and constants verbatim.",
|
||||
"Excluded original CLI, EventLogger, and output reconfiguration function/call."
|
||||
]
|
||||
},
|
||||
{
|
||||
"file": "v2_discover.py",
|
||||
"upstream_relative_path": "embedded-app-pc-debug/scripts/v2_discover.py",
|
||||
"upstream_sha256": "f6634bfc3b86abb6d379d28b679f2e209694f9d856e343157e24b9ff629ea894",
|
||||
"vendored_sha256": "6d0783c2a4f34397b61f4d1a65f97c2300f492caf8c60c38b48c246a75774158",
|
||||
"changes": [
|
||||
"Moved module-level configure_output() into the __main__ guard; discovery logic unchanged."
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
@@ -0,0 +1,537 @@
|
||||
#!/usr/bin/env python3
|
||||
"""通过多个 Windows IPv4 接口执行 V2 EPBP 设备发现。"""
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import argparse
|
||||
import errno
|
||||
import ipaddress
|
||||
import json
|
||||
import secrets
|
||||
import select
|
||||
import socket
|
||||
import struct
|
||||
import subprocess
|
||||
import sys
|
||||
import time
|
||||
from dataclasses import dataclass
|
||||
from typing import Any, Dict, Iterable, List, Optional, Sequence, Tuple
|
||||
|
||||
|
||||
DEVICE_PORT = 8941
|
||||
CLIENT_PORT = 8951
|
||||
DISCOVERY_COMMAND = 60000
|
||||
MAX_FRAME_SIZE = 1024 * 1024
|
||||
|
||||
|
||||
class DiscoveryError(RuntimeError):
|
||||
"""表示参数、网卡枚举或协议校验失败。"""
|
||||
|
||||
|
||||
@dataclass(frozen=True)
|
||||
class Interface:
|
||||
"""保存一个 IPv4 接口及其筛选信息。"""
|
||||
|
||||
alias: str
|
||||
description: str
|
||||
address: ipaddress.IPv4Address
|
||||
prefix_length: int
|
||||
hardware: bool
|
||||
|
||||
@property
|
||||
def network(self) -> ipaddress.IPv4Network:
|
||||
"""返回接口对应的 IPv4 网络。"""
|
||||
|
||||
return ipaddress.ip_network(
|
||||
"%s/%d" % (self.address, self.prefix_length), strict=False
|
||||
)
|
||||
|
||||
|
||||
def configure_output() -> None:
|
||||
"""输出被重定向时统一使用 UTF-8。"""
|
||||
|
||||
for stream in (sys.stdout, sys.stderr):
|
||||
if not stream.isatty() and hasattr(stream, "reconfigure"):
|
||||
stream.reconfigure(encoding="utf-8", errors="backslashreplace")
|
||||
|
||||
|
||||
def emit(event: str, **fields: Any) -> None:
|
||||
"""输出单行 JSON，便于终端查看和日志保存。"""
|
||||
|
||||
record: Dict[str, Any] = {
|
||||
"time": time.strftime("%Y-%m-%d %H:%M:%S"),
|
||||
"event": event,
|
||||
}
|
||||
record.update(fields)
|
||||
print(json.dumps(record, ensure_ascii=False, separators=(",", ":")), flush=True)
|
||||
|
||||
|
||||
def parse_bool(value: Any) -> bool:
|
||||
"""兼容 PowerShell JSON 中的布尔值和字符串。"""
|
||||
|
||||
if isinstance(value, bool):
|
||||
return value
|
||||
return str(value).strip().lower() == "true"
|
||||
|
||||
|
||||
def powershell_interfaces() -> List[Interface]:
|
||||
"""通过 Windows PowerShell 枚举已启用且具有 IPv4 的接口。"""
|
||||
|
||||
command = r"""
|
||||
[Console]::OutputEncoding = New-Object System.Text.UTF8Encoding($false)
|
||||
$OutputEncoding = [Console]::OutputEncoding
|
||||
$items = Get-NetIPConfiguration | Where-Object {
|
||||
$_.NetAdapter.Status -eq 'Up' -and $null -ne $_.IPv4Address
|
||||
} | ForEach-Object {
|
||||
$cfg = $_
|
||||
foreach ($ipv4 in @($cfg.IPv4Address)) {
|
||||
[PSCustomObject]@{
|
||||
Alias = [string]$cfg.InterfaceAlias
|
||||
Description = [string]$cfg.InterfaceDescription
|
||||
Address = [string]$ipv4.IPAddress
|
||||
PrefixLength = [int]$ipv4.PrefixLength
|
||||
Hardware = [bool]$cfg.NetAdapter.HardwareInterface
|
||||
}
|
||||
}
|
||||
}
|
||||
@($items) | ConvertTo-Json -Compress
|
||||
"""
|
||||
try:
|
||||
result = subprocess.run(
|
||||
["powershell.exe", "-NoProfile", "-NonInteractive", "-Command", command],
|
||||
check=False,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE,
|
||||
text=True,
|
||||
encoding="utf-8",
|
||||
errors="replace",
|
||||
timeout=20,
|
||||
)
|
||||
except (OSError, subprocess.TimeoutExpired) as exc:
|
||||
raise DiscoveryError("无法调用 PowerShell 枚举网卡：%s" % exc) from exc
|
||||
if result.returncode != 0:
|
||||
raise DiscoveryError("PowerShell 网卡枚举失败：%s" % result.stderr.strip())
|
||||
try:
|
||||
decoded = json.loads(result.stdout or "[]")
|
||||
except json.JSONDecodeError as exc:
|
||||
raise DiscoveryError("PowerShell 网卡结果不是有效 JSON：%s" % exc) from exc
|
||||
if isinstance(decoded, dict):
|
||||
decoded = [decoded]
|
||||
|
||||
interfaces: List[Interface] = []
|
||||
for item in decoded:
|
||||
if not isinstance(item, dict):
|
||||
continue
|
||||
try:
|
||||
address = ipaddress.IPv4Address(str(item.get("Address", "")))
|
||||
prefix_length = int(item.get("PrefixLength"))
|
||||
ipaddress.ip_network("%s/%d" % (address, prefix_length), strict=False)
|
||||
except (ipaddress.AddressValueError, ValueError, TypeError):
|
||||
continue
|
||||
interfaces.append(
|
||||
Interface(
|
||||
alias=str(item.get("Alias") or "未知接口"),
|
||||
description=str(item.get("Description") or ""),
|
||||
address=address,
|
||||
prefix_length=prefix_length,
|
||||
hardware=parse_bool(item.get("Hardware")),
|
||||
)
|
||||
)
|
||||
return interfaces
|
||||
|
||||
|
||||
def explicit_interfaces(values: Sequence[str]) -> List[Interface]:
|
||||
"""解析重复传入的 IP/前缀接口参数。"""
|
||||
|
||||
interfaces: List[Interface] = []
|
||||
for index, value in enumerate(values, 1):
|
||||
try:
|
||||
parsed = ipaddress.ip_interface(value)
|
||||
except ValueError as exc:
|
||||
raise DiscoveryError("无效的 --interface %r：%s" % (value, exc)) from exc
|
||||
if not isinstance(parsed, ipaddress.IPv4Interface):
|
||||
raise DiscoveryError("--interface 只支持 IPv4：%s" % value)
|
||||
interfaces.append(
|
||||
Interface(
|
||||
alias="手工接口%d" % index,
|
||||
description="由 --interface 指定",
|
||||
address=parsed.ip,
|
||||
prefix_length=parsed.network.prefixlen,
|
||||
hardware=True,
|
||||
)
|
||||
)
|
||||
return interfaces
|
||||
|
||||
|
||||
def exclusion_reason(interface: Interface, include_virtual: bool) -> Optional[str]:
|
||||
"""返回接口的排除原因；返回空值表示可用于搜索。"""
|
||||
|
||||
if interface.address.is_loopback:
|
||||
return "回环地址"
|
||||
if interface.address.is_link_local:
|
||||
return "APIPA/链路本地地址"
|
||||
if interface.address.is_unspecified or interface.address.is_multicast:
|
||||
return "不是可用单播地址"
|
||||
if not interface.hardware and not include_virtual:
|
||||
return "虚拟或 VPN 接口（使用 --include-virtual 可加入）"
|
||||
return None
|
||||
|
||||
|
||||
def make_frame(session: int) -> bytes:
|
||||
"""生成 V2 发现请求帧。"""
|
||||
|
||||
payload = json.dumps(
|
||||
{"cmd": DISCOVERY_COMMAND, "session": session}, separators=(",", ":")
|
||||
).encode("utf-8")
|
||||
return b"EPBP" + struct.pack("!I", len(payload)) + payload
|
||||
|
||||
|
||||
def parse_frame(packet: bytes, expected_session: int) -> Dict[str, Any]:
|
||||
"""严格解析并校验一个完整 EPBP 数据报。"""
|
||||
|
||||
if len(packet) < 8 or packet[:4] != b"EPBP":
|
||||
raise DiscoveryError("响应同步头不是 EPBP")
|
||||
payload_size = struct.unpack("!I", packet[4:8])[0]
|
||||
if payload_size <= 0 or payload_size > MAX_FRAME_SIZE:
|
||||
raise DiscoveryError("响应长度不合理：%d" % payload_size)
|
||||
if len(packet) != 8 + payload_size:
|
||||
raise DiscoveryError(
|
||||
"响应数据报长度不匹配：声明 %d，实际 %d" % (payload_size, len(packet) - 8)
|
||||
)
|
||||
try:
|
||||
response = json.loads(packet[8:].decode("utf-8"))
|
||||
except (UnicodeDecodeError, json.JSONDecodeError) as exc:
|
||||
raise DiscoveryError("响应不是有效 UTF-8 JSON：%s" % exc) from exc
|
||||
if not isinstance(response, dict):
|
||||
raise DiscoveryError("响应 JSON 顶层不是对象")
|
||||
if response.get("cmd") != DISCOVERY_COMMAND:
|
||||
raise DiscoveryError("响应 cmd 不匹配：%r" % response.get("cmd"))
|
||||
if response.get("session") != expected_session:
|
||||
raise DiscoveryError("响应 session 不匹配：%r" % response.get("session"))
|
||||
return response
|
||||
|
||||
|
||||
def response_data(response: Dict[str, Any]) -> Dict[str, Any]:
|
||||
"""兼容身份位于顶层或 data 对象的设备响应。"""
|
||||
|
||||
data = response.get("data")
|
||||
return data if isinstance(data, dict) else response
|
||||
|
||||
|
||||
def identity(response: Dict[str, Any]) -> Tuple[Optional[str], List[str], Optional[str]]:
|
||||
"""提取完整 SN、型号集合和 MAC。"""
|
||||
|
||||
data = response_data(response)
|
||||
sn = data.get("sn") if isinstance(data.get("sn"), str) else None
|
||||
mac = data.get("mac") if isinstance(data.get("mac"), str) else None
|
||||
models: List[str] = []
|
||||
for section_name in ("inner", "outer", "hardware"):
|
||||
section = data.get(section_name)
|
||||
if isinstance(section, dict):
|
||||
model = section.get("type")
|
||||
if isinstance(model, str) and model and model not in models:
|
||||
models.append(model)
|
||||
return sn, models, mac
|
||||
|
||||
|
||||
def port_owner(port: int) -> Optional[Dict[str, Any]]:
|
||||
"""在 Windows 上查询 UDP 端口占用者，不结束任何进程。"""
|
||||
|
||||
if sys.platform != "win32":
|
||||
return None
|
||||
command = (
|
||||
"$e=Get-NetUDPEndpoint -LocalPort %d -ErrorAction SilentlyContinue | "
|
||||
"Select-Object -First 1; if($null -ne $e){$p=Get-Process -Id $e.OwningProcess "
|
||||
"-ErrorAction SilentlyContinue;[PSCustomObject]@{PID=$e.OwningProcess;"
|
||||
"Process=$p.ProcessName;Address=$e.LocalAddress}|ConvertTo-Json -Compress}" % port
|
||||
)
|
||||
try:
|
||||
result = subprocess.run(
|
||||
["powershell.exe", "-NoProfile", "-NonInteractive", "-Command", command],
|
||||
check=False,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.DEVNULL,
|
||||
text=True,
|
||||
encoding="utf-8",
|
||||
errors="replace",
|
||||
timeout=10,
|
||||
)
|
||||
return json.loads(result.stdout) if result.stdout.strip() else None
|
||||
except (OSError, subprocess.TimeoutExpired, json.JSONDecodeError):
|
||||
return None
|
||||
|
||||
|
||||
def open_sockets(
|
||||
interfaces: Iterable[Interface], client_port: int
|
||||
) -> List[Tuple[Interface, socket.socket]]:
|
||||
"""为每个 IPv4 接口创建独立的广播收发套接字。"""
|
||||
|
||||
opened: List[Tuple[Interface, socket.socket]] = []
|
||||
for interface in interfaces:
|
||||
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
||||
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
||||
try:
|
||||
sock.bind((str(interface.address), client_port))
|
||||
except OSError as exc:
|
||||
sock.close()
|
||||
owner = port_owner(client_port) if exc.errno in (errno.EACCES, errno.EADDRINUSE, 10013, 10048) else None
|
||||
emit(
|
||||
"bind_error",
|
||||
interface=interface.alias,
|
||||
address=str(interface.address),
|
||||
port=client_port,
|
||||
error=str(exc),
|
||||
owner=owner,
|
||||
action="请释放端口；本脚本不会结束占用进程",
|
||||
)
|
||||
continue
|
||||
sock.setblocking(False)
|
||||
opened.append((interface, sock))
|
||||
emit(
|
||||
"socket_ready",
|
||||
interface=interface.alias,
|
||||
address=str(interface.address),
|
||||
port=client_port,
|
||||
)
|
||||
return opened
|
||||
|
||||
|
||||
def discover(
|
||||
opened: Sequence[Tuple[Interface, socket.socket]],
|
||||
device_port: int,
|
||||
timeout: float,
|
||||
session: int,
|
||||
) -> List[Dict[str, Any]]:
|
||||
"""向每个接口发送两类广播并收集合法响应。"""
|
||||
|
||||
frame = make_frame(session)
|
||||
socket_map = {sock: interface for interface, sock in opened}
|
||||
for interface, sock in opened:
|
||||
destinations = ["255.255.255.255", str(interface.network.broadcast_address)]
|
||||
for destination in dict.fromkeys(destinations):
|
||||
try:
|
||||
sock.sendto(frame, (destination, device_port))
|
||||
emit(
|
||||
"broadcast_sent",
|
||||
interface=interface.alias,
|
||||
source=str(interface.address),
|
||||
destination=destination,
|
||||
device_port=device_port,
|
||||
session=session,
|
||||
)
|
||||
except OSError as exc:
|
||||
emit(
|
||||
"send_error",
|
||||
interface=interface.alias,
|
||||
destination=destination,
|
||||
error=str(exc),
|
||||
)
|
||||
|
||||
deadline = time.monotonic() + timeout
|
||||
found: List[Dict[str, Any]] = []
|
||||
while socket_map:
|
||||
remaining = deadline - time.monotonic()
|
||||
if remaining <= 0:
|
||||
break
|
||||
readable, _, _ = select.select(list(socket_map), [], [], remaining)
|
||||
if not readable:
|
||||
break
|
||||
for sock in readable:
|
||||
interface = socket_map[sock]
|
||||
try:
|
||||
packet, peer = sock.recvfrom(MAX_FRAME_SIZE + 9)
|
||||
response = parse_frame(packet, session)
|
||||
except (OSError, DiscoveryError) as exc:
|
||||
emit(
|
||||
"invalid_response",
|
||||
interface=interface.alias,
|
||||
error=str(exc),
|
||||
)
|
||||
continue
|
||||
sn, models, mac = identity(response)
|
||||
candidate = {
|
||||
"source_ip": peer[0],
|
||||
"source_port": peer[1],
|
||||
"received_on": str(interface.address),
|
||||
"interface": interface.alias,
|
||||
"sn": sn,
|
||||
"models": models,
|
||||
"mac": mac,
|
||||
"response": response,
|
||||
}
|
||||
found.append(candidate)
|
||||
emit("candidate", **candidate)
|
||||
return found
|
||||
|
||||
|
||||
def deduplicate(candidates: Sequence[Dict[str, Any]]) -> List[Dict[str, Any]]:
|
||||
"""只合并 SN、源地址、MAC 和型号完全一致的重复响应。"""
|
||||
|
||||
unique: Dict[Tuple[str, ...], Dict[str, Any]] = {}
|
||||
for candidate in candidates:
|
||||
sn = candidate.get("sn")
|
||||
key = (
|
||||
"identity",
|
||||
str(sn or ""),
|
||||
str(candidate.get("source_ip") or ""),
|
||||
str(candidate.get("mac") or ""),
|
||||
json.dumps(candidate.get("models", []), ensure_ascii=False, separators=(",", ":")),
|
||||
)
|
||||
unique.setdefault(key, candidate)
|
||||
return list(unique.values())
|
||||
|
||||
|
||||
def find_identity_conflicts(candidates: Sequence[Dict[str, Any]]) -> List[Dict[str, Any]]:
|
||||
"""找出同一完整 SN 对应多个网络或型号身份的冲突。"""
|
||||
|
||||
grouped: Dict[str, List[Dict[str, Any]]] = {}
|
||||
for candidate in candidates:
|
||||
sn = candidate.get("sn")
|
||||
if isinstance(sn, str) and sn:
|
||||
grouped.setdefault(sn, []).append(candidate)
|
||||
return [
|
||||
{"sn": sn, "candidates": items}
|
||||
for sn, items in grouped.items()
|
||||
if len(items) > 1
|
||||
]
|
||||
|
||||
|
||||
def select_expected(
|
||||
candidates: Sequence[Dict[str, Any]], expected_sn: Optional[str], expected_model: Optional[str]
|
||||
) -> List[Dict[str, Any]]:
|
||||
"""按完整 SN 和型号筛选候选。"""
|
||||
|
||||
selected = list(candidates)
|
||||
if expected_sn:
|
||||
selected = [item for item in selected if item.get("sn") == expected_sn]
|
||||
if expected_model:
|
||||
selected = [item for item in selected if expected_model in item.get("models", [])]
|
||||
return selected
|
||||
|
||||
|
||||
def build_parser() -> argparse.ArgumentParser:
|
||||
"""创建命令行参数解析器。"""
|
||||
|
||||
parser = argparse.ArgumentParser(
|
||||
description="从每个活动 IPv4 接口的本地 8951 端口执行 V2 EPBP 广播搜索。"
|
||||
)
|
||||
parser.add_argument(
|
||||
"--interface",
|
||||
action="append",
|
||||
default=[],
|
||||
metavar="IP/PREFIX",
|
||||
help="手工指定接口，可重复；给出后不自动枚举，格式为本机IPv4/前缀长度",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--include-virtual",
|
||||
action="store_true",
|
||||
help="自动枚举时同时使用活动的虚拟、VPN 等非物理接口",
|
||||
)
|
||||
parser.add_argument("--expected-sn", help="期望的完整设备 SN，按完全相等匹配")
|
||||
parser.add_argument("--expected-model", help="期望型号，匹配 inner/outer/hardware.type")
|
||||
parser.add_argument("--timeout", type=float, default=3.0, help="接收等待秒数")
|
||||
parser.add_argument("--client-port", type=int, default=CLIENT_PORT)
|
||||
parser.add_argument("--device-port", type=int, default=DEVICE_PORT)
|
||||
return parser
|
||||
|
||||
|
||||
def validate_options(args: argparse.Namespace) -> None:
|
||||
"""拒绝无效端口和等待时间。"""
|
||||
|
||||
if args.timeout <= 0 or args.timeout > 300:
|
||||
raise DiscoveryError("--timeout 必须在 0 到 300 秒之间")
|
||||
for name in ("client_port", "device_port"):
|
||||
value = getattr(args, name)
|
||||
if value <= 0 or value > 65535:
|
||||
raise DiscoveryError("--%s 必须在 1 到 65535 之间" % name.replace("_", "-"))
|
||||
|
||||
|
||||
def main(argv: Optional[List[str]] = None) -> int:
|
||||
"""执行网卡筛选、广播搜索和唯一身份匹配。"""
|
||||
|
||||
opened: List[Tuple[Interface, socket.socket]] = []
|
||||
try:
|
||||
args = build_parser().parse_args(argv)
|
||||
validate_options(args)
|
||||
if args.client_port != CLIENT_PORT:
|
||||
emit(
|
||||
"diagnostic_port",
|
||||
client_port=args.client_port,
|
||||
warning="设备可能只回复到 8951；非标准源端口无响应不能证明设备离线",
|
||||
)
|
||||
interfaces = (
|
||||
explicit_interfaces(args.interface) if args.interface else powershell_interfaces()
|
||||
)
|
||||
selected_interfaces: List[Interface] = []
|
||||
for interface in interfaces:
|
||||
reason = exclusion_reason(interface, args.include_virtual)
|
||||
emit(
|
||||
"interface",
|
||||
alias=interface.alias,
|
||||
description=interface.description,
|
||||
address=str(interface.address),
|
||||
prefix_length=interface.prefix_length,
|
||||
directed_broadcast=str(interface.network.broadcast_address),
|
||||
hardware=interface.hardware,
|
||||
selected=reason is None,
|
||||
exclusion_reason=reason,
|
||||
)
|
||||
if reason is None:
|
||||
selected_interfaces.append(interface)
|
||||
if not selected_interfaces:
|
||||
raise DiscoveryError("没有可用于广播的 IPv4 接口")
|
||||
|
||||
opened = open_sockets(selected_interfaces, args.client_port)
|
||||
if not opened:
|
||||
raise DiscoveryError(
|
||||
"所有接口都无法绑定本地端口 %d；请检查端口占用" % args.client_port
|
||||
)
|
||||
session = secrets.randbelow(0xFFFFFFFF) + 1
|
||||
candidates = deduplicate(
|
||||
discover(opened, args.device_port, args.timeout, session)
|
||||
)
|
||||
conflicts = find_identity_conflicts(candidates)
|
||||
if conflicts:
|
||||
emit(
|
||||
"identity_conflict",
|
||||
message="同一完整 SN 对应不同 IP、MAC 或型号，禁止自动选择设备",
|
||||
conflicts=conflicts,
|
||||
)
|
||||
return 2
|
||||
matches = select_expected(candidates, args.expected_sn, args.expected_model)
|
||||
identity_verified = bool(args.expected_sn and len(matches) == 1)
|
||||
emit(
|
||||
"summary",
|
||||
mode="identity_check" if args.expected_sn else "list_only",
|
||||
identity_verified=identity_verified,
|
||||
candidate_count=len(candidates),
|
||||
candidates=candidates,
|
||||
expected_sn=args.expected_sn,
|
||||
expected_model=args.expected_model,
|
||||
match_count=len(matches),
|
||||
matches=matches,
|
||||
)
|
||||
if not candidates:
|
||||
emit(
|
||||
"not_found",
|
||||
message=(
|
||||
"未收到合法响应；若使用的不是客户端端口 8951，此结果不能证明设备离线"
|
||||
),
|
||||
)
|
||||
return 2
|
||||
if args.expected_sn:
|
||||
if len(matches) != 1:
|
||||
emit("identity_error", message="期望身份没有唯一匹配，禁止自动选择设备")
|
||||
return 2
|
||||
return 0
|
||||
except (OSError, ValueError, DiscoveryError) as exc:
|
||||
emit("error", type=type(exc).__name__, message=str(exc))
|
||||
return 1
|
||||
finally:
|
||||
for _, sock in opened:
|
||||
sock.close()
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
configure_output()
|
||||
raise SystemExit(main())
|
||||
Reference in new issue
Block a user