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8a81fa9e41
- 板端 net_layer_udp_bench_test_main：TC-NET-1601~1609，逐步覆盖主机测替代不了的 5 条台架必验——形态切换与 bind 后首包、48 B 应答在客户端形态的载荷完整（TRAP-NET-22 的真机对照）、截断包排空、挂起等待期间的 IWDG 余量、DesIP 先于 OPEN_SOCKET 的顺序。 每步都有 25 s 预算，PC 缺席时报 [FAIL] 而不是把 testTask 钉死。 - PC peer test/host/udp_queue_bench.py：板端先 bind 当服务端，对端地址从收到的包里学 （PC 是 DHCP，TEST_PC_PEER_IP 那个固定地址不在本机上）；对 >1024 B 的回显额外监听 第二片，把 net_send_locked 分块在 UDP 上的后果量出来。 - ch395f_test.h：阶段 16 宏默认关（与其它阶段一致），RAM 台账补 2026-11-03 实测—— 台架镜像 RW_IRAM1 96,232 B / 73.4%，阶段 16 自身代价 1,600 B；产品镜像 RW+ZI 与改造前逐字节相同。 - 文档：CH395F_Test_Guide §12.6 跑法与判据 + Python 脚本表加一行；覆盖率口径第 4 轮 「台架必验」指向本阶段的可执行形态，并写明尚未在真机上跑过。
234 lines
10 KiB
Python
234 lines
10 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""UDP 数据面队列化真机回归 —— 板端阶段 16 的 PC 对端。
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用途：配合 test/board/net_test_task.c 的 net_layer_udp_bench_test_main()
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（板端做 UDP 服务端，从收到的包里学对端地址再回显），把 PR #74「UDP 并入
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netMsgQueue」这条新链路放上真芯片逐步激励。之所以板端做服务端：台架 PC 是
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DHCP 地址，与 net_test_task.h 的 TEST_PC_PEER_IP 不一定一致，服务端在先就
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不需要 PC 侧固定 IP。
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跑法（板子烧好阶段 16 固件后）：
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python test/host/udp_queue_bench.py --board 192.168.31.100
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# 可选：--first-wait 180 等板子重启；--late 12 调迟发时刻
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判读：每步打印 [PASS]/[FAIL]，末尾一行
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=== UDP Bench PC Peer: N/N PASSED ===
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任一步失败即非零退出。**板端的汇总行在串口日志里**（=== Phase 16: ... ===），
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两侧都要看：板端能看见"收到多少字节、模式切没切对"，本端只能看见
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"回显是否完整、是不是一个数据报"。两端合起来才是完整判据。
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与板端必须一致的约定（改一边就改另一边，见 net_test_task.c 的 Phase 16 头注释）：
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载荷 p[0]=tag，p[i]=(i*7+0x11)&0xFF；板端原样回显。
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tag 次序：0x01(20B) 0x02(48B) 0x03(20B 换源端口) 0x04(200B 截断成 64)
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0x05(30B 残包排空) —静默超时探针— 0x06(24B 迟发包) 0x07(20B 换端口 6002)
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0x08/0x09/0x0A/0x0B/0x0C = 1/20/1024/1025/1472 字节往返。
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"""
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from __future__ import annotations
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import argparse
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import socket
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import sys
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import time
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for _stream in (sys.stdout, sys.stderr):
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if hasattr(_stream, "reconfigure"):
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_stream.reconfigure(encoding="utf-8", errors="replace")
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# 阶段 16 步骤表：tag -> (发往端口, 本次发送长度, 期望回显长度)
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# 期望回显长度 != 发送长度 的那两行就是截断步。
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STEPS = (
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("TC-NET-1602", 0x01, 6001, 20, 20),
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("TC-NET-1603", 0x02, 6001, 48, 48),
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("TC-NET-1604", 0x03, 6001, 20, 20),
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("TC-NET-1605a", 0x04, 6001, 200, 64),
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("TC-NET-1605b", 0x05, 6001, 30, 30),
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# TC-NET-1606 = 板端超时探针，本端不发数据（见 wait_quiet）
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("TC-NET-1607", 0x06, 6001, 24, 24),
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("TC-NET-1608", 0x07, 6002, 20, 20),
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("TC-NET-1609a", 0x08, 6002, 1, 1),
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("TC-NET-1609b", 0x09, 6002, 20, 20),
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("TC-NET-1609c", 0x0A, 6002, 1024, 1024),
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("TC-NET-1609d", 0x0B, 6002, 1025, 1025),
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("TC-NET-1609e", 0x0C, 6002, 1472, 1472),
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)
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def payload(tag: int, n: int) -> bytes:
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"""与板端 udp_bench_fill() 同式的自校验载荷。"""
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if n <= 0:
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return b""
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out = bytearray(n)
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out[0] = tag & 0xFF
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for i in range(1, n):
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out[i] = (i * 7 + 0x11) & 0xFF
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return bytes(out)
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class Peer:
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def __init__(self, board: str, timeout: float) -> None:
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self.board = board
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self.timeout = timeout
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self.total = 0
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self.failed = 0
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self.t_start = time.time()
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def stamp(self) -> str:
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return "[peer {0:7.2f}s]".format(time.time() - self.t_start)
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def log(self, msg: str) -> None:
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print("{0} {1}".format(self.stamp(), msg), flush=True)
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def check(self, cond: bool, name: str) -> bool:
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self.total += 1
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self.log("[{0}] {1}".format("PASS" if cond else "FAIL", name))
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if not cond:
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self.failed += 1
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return cond
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def close(self) -> None:
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pass
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def exchange(self, sock: socket.socket, port: int, tag: int, send_len: int,
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exp_len: int, first_wait: float = 0.0) -> bool:
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"""一个数据报进、一个数据报出；重发只在"完全没收到"时发生。"""
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dst = (self.board, port)
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data_out = payload(tag, send_len)
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want = payload(tag, exp_len)
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# 先清掉上一步可能迟到的回显，避免把它当成本步的应答
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self._drain(sock)
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deadline = time.time() + (first_wait if first_wait > 0 else self.timeout)
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got = None
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addr = None
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while got is None:
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sock.sendto(data_out, dst)
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# 首步：板子可能还在启动/还没 bind，每 4 秒重发一次直到首步总预算用尽。
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# 重发不会污染下一步——下一步开头会先 drain 掉多出来的那一份回显。
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attempt = 4.0 if first_wait > 0 else self.timeout
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left = deadline - time.time()
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if left <= 0:
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return self.check(False, "TC 0x{0:02X} 端口 {1}: 板端无回显（预算内）"
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.format(tag, port))
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try:
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got, addr = self._recv_after(sock, min(attempt, left))
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except socket.timeout:
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if first_wait <= 0:
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return self.check(False, "TC 0x{0:02X} 端口 {1}: 板端 {2:.0f}s 内无回显"
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.format(tag, port, self.timeout))
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self.log("TC 0x{0:02X}: 无回显，重发（首步剩余 {1:.0f}s）".format(tag, left))
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# 一个数据报进必须只出一个数据报出：再等一小会儿看有没有第二片
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again = self._recv_maybe(sock, 0.300)
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extra = []
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if again is not None:
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extra.append(len(again[0]))
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ok_len = (len(got) == exp_len)
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ok_pat = ok_len and (got == want)
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self.check(ok_len, "TC 0x{0:02X} 端口 {1}: 回显 {2} 字节（期望 {3}）".format(tag, port, len(got), exp_len))
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if not ok_len:
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self.log(" 首 16 字节 = {0}".format(got[:16].hex()))
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self.check(ok_pat, "TC 0x{0:02X}: 载荷逐字节一致（模式 p[i]=(i*7+0x11)&0xFF）".format(tag))
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if not ok_pat and ok_len:
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bad = next((i for i in range(exp_len) if got[i] != want[i]), -1)
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self.log(" 首个差异 @ 字节 {0}: 收到 0x{1:02X}，应为 0x{2:02X}".format(bad, got[bad], want[bad]))
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if extra:
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self.check(False, "TC 0x{0:02X}: 一个请求收到 {1} 个额外数据报 {2}"
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" —— 回显被分片了（芯片发送缓冲 = 1KB，>1KB 的分块会各发一包）"
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.format(tag, len(extra), extra))
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return ok_len and ok_pat and not extra
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def wait_quiet(self, sock: socket.socket, seconds: float, name: str) -> bool:
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"""板端超时探针期间本端必须保持静默，且不能有过期包漂进来。"""
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time.sleep(seconds)
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stray = self._drain(sock)
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return self.check(stray == 0, "{0}: 静默期无残留数据报（清掉 {1} 个）".format(name, stray))
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# ---- 内部 ----
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def _recv_after(self, sock: socket.socket, budget: float):
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sock.settimeout(max(budget, 0.05))
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data, addr = sock.recvfrom(4096)
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return data, addr
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def _recv_maybe(self, sock: socket.socket, budget: float):
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try:
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sock.settimeout(budget)
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return sock.recvfrom(4096)
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except socket.timeout:
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return None
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finally:
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sock.settimeout(self.timeout)
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def _drain(self, sock: socket.socket) -> int:
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n = 0
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while True:
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r = self._recv_maybe(sock, 0.050)
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if r is None:
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return n
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n += 1
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def main() -> int:
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ap = argparse.ArgumentParser(description="UDP 队列化真机回归 PC 对端（板端阶段 16）")
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ap.add_argument("--board", required=True, help="板子 IP，例如 192.168.31.100")
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ap.add_argument("--first-wait", type=float, default=120.0,
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help="首步最长等待（覆盖板子烧录后重启+起监听），默认 120 秒")
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ap.add_argument("--timeout", type=float, default=20.0, help="单步回显等待，默认 20 秒")
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ap.add_argument("--probe-silence", type=float, default=2.0,
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help="对应 TC-NET-1606 的静默时长（板端探针预算 1 秒）")
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ap.add_argument("--late", type=float, default=12.0,
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help="对应 TC-NET-1607 的迟发时长：板端在这一步无限等包")
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args = ap.parse_args()
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# 板端 TC-NET-1607 把「等待时长」判据钉在 7000~25000 ms：本端迟发时刻必须落在窗内，
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# 且必须先盖过板端 TC-NET-1606 那 1 秒超时探针，否则两步会互相污染。
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if args.probe_silence <= 1.2:
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print("--probe-silence 必须大于板端 1 秒超时探针（默认 2.0）", file=sys.stderr)
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return 2
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if not (7.0 < args.late <= 22.0):
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print("--late 必须落在 (7, 22] 秒内，否则板端 7000~25000ms 判定窗会判失败", file=sys.stderr)
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return 2
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peer = Peer(args.board, args.timeout)
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sock_a = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock_b = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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sock_c = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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socks = {"A": sock_a, "B": sock_b, "C": sock_c}
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peer.log("对端 = {0}，本机临时源端口 A={1} B={2} C={3}".format(
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args.board, sock_a.getsockname()[1], sock_b.getsockname()[1], sock_c.getsockname()[1]))
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# 板端每一步用新源端口的条件：1604（换源端口验形态恢复）及其后
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step_sock = {
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"TC-NET-1602": "A", "TC-NET-1603": "A",
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"TC-NET-1604": "B", "TC-NET-1605a": "B", "TC-NET-1605b": "B",
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"TC-NET-1607": "B",
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"TC-NET-1608": "C", "TC-NET-1609a": "C", "TC-NET-1609b": "C",
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"TC-NET-1609c": "C", "TC-NET-1609d": "C", "TC-NET-1609e": "C",
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}
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try:
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for name, tag, port, send_len, exp_len in STEPS:
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s = socks[step_sock[name]]
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fw = args.first_wait if name == "TC-NET-1602" else 0.0
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# 1607 之前先做 1606 的静默探针（板端自己判 -2，本端只需保持静默）
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if name == "TC-NET-1607":
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peer.wait_quiet(s, args.probe_silence, "TC-NET-1606")
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left = max(args.late - args.probe_silence, 0.0)
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peer.log("TC-NET-1607: 再静默 {0:.1f}s，等板子挂进无限 net_recvfrom".format(left))
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time.sleep(left)
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peer.exchange(s, port, tag, send_len, exp_len, fw)
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except KeyboardInterrupt:
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peer.log("用户中断")
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finally:
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for s in socks.values():
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s.close()
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print("=== UDP Bench PC Peer: {0}/{1} PASSED (failed={2}) ===".format(
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peer.total - peer.failed, peer.total, peer.failed), flush=True)
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return 0 if peer.failed == 0 else 1
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if __name__ == "__main__":
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sys.exit(main())
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