0f7b5a87fb
登记簿、文档与代码注释里的存量字母加数字编号(N-x / S-x / T-x / E-x / A-x / 卡号) 一律改写为语义短语,净删 2,028 处引用;删除基线与待确认、并行分道方案、排期详述、 采集保护收尾 4 篇(内容已并入 docs/任务规划/README 与登记簿)。 门禁机器与三张账同批重打:check_ids.py 新增变更记录行豁免与第二根护栏 undecidable_total_ceiling;check_test_traceability.py 只加 stdout/stderr UTF-8 reconfigure(TC_RE 未动);check_cubemx_survival.py 的 --write 固定 newline=LF; id_registry / id_aliases(+19 条 retired-to-phrase)/ id_known_backlog 重打。 test/ 56 个文件同步 TC 标签语义化,其中 18 个 TU 改了 CHECK / printf 里的标签文字, 是本批唯一改变构建产物的文件集合。 为什么合成一笔、不拆四笔(实测撞闸,非偏好):pre-commit 跑钩子前会 stash 未 staged 部分,拆开后中间提交必然是「新规则 + 旧语料」——实跑可判定 85.15% < 基线 86.00%、 不可判定 1,453 > 上限 1,166,编号门禁直接拦下。编号识别面与它描述的语料只能同码移动。 实跑基线(工作区全量):754 文件 / 8,230 处编号字面量 / 可判定 7,079 = 86.01% (基线 86.0%,容差 0.1pp)/ 不可判定绝对数 1,151(上限 1,166)/ 校验 1-6 错误级 0 / 告警 = 悬空 2(App/algo/freq.c 的 S2,属 §4.4 同号不同义)+ 孤儿 50。 基线从 84.0 抬到 86.0 的理由见 docs/门禁说明/id-check.md §7.6:本批真删了 2,028 处 引用,可判定面随真实内容上升,不是把分母做小。同批新增排除 docs/硬件平台/ 语料,使 识别面少 264 处——芯片手册位号与网表料号不属编号空间(registry 有 excluded_paths_note)。 ⚠ 余量只剩 0.11pp(约 10 处)与绝对数 15 处:把「可判定的引用」改成散文会立刻撞第二 根护栏。另遗留一项:id_aliases 里 retired 的 N / S / T / A 别名没有 scope(U1~U5 有), 今后有人新写一个 A-4,校验 3 不会响,只能靠人,建议下批补 scope。 固件不变证据:115 个 .c/.h 剥注释并归一字符串后与 HEAD 逐字节全等,残留代码差异 0; App / Src / Drivers 的字符串字面量零改动。@build 0 错误 0 警告;40/40 主机套件、2,889 断言全通过;覆盖率 line 89.2% / func 92.6%;pre-commit 48 钩子 --all-files 全绿; check_doc_links --all 通过(176 文档,章节引用无法判定 0);逐字节卫生核过:14 个带 BOM 文件与 HEAD 一致、0 个 CR、0 个 U+FFFD,字符串字面量纯 ASCII。 .cubemx_survival_baseline.json 的 watchdog-module 哈希 56bf27 变 2bb051 属合法: Src/freertos.c 的 USER CODE 区内只有注释文字随编号改写,代码未变。 同批带上体积同码凭证与 RAM 台账行(@build 之后盖戳):RW_IRAM1 79,008 B / 60.3%, RW_CCM 57,376 B / 87.9%,阈值 92%。
387 lines
15 KiB
C
387 lines
15 KiB
C
/*
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* 模块名称:NET 层 select/poll 事件观测主机侧单元测试
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* 模块功能:在 PC 上离线验证 Drivers/BSP/NET/net_select.c 的**就绪判定与超时算术**:
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* fd 集只保留就绪位、socket 状态对可读/可写的准入、非法 fd 的处理、
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* tv_sec/tv_usec 的换算与截断、poll 的 revents 语义。
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*
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* 被测对象:真实源文件 ../../../Drivers/BSP/NET/net_select.c(#include 原样纳入)。
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* net_select.h / net_types.h / net_config.h 全用**真实头**(net_sock_t 的
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* 字段名与 NET_SOCK_STATE_* 枚举一改就编译期报错)。桩四个:main.h
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* (HAL_GetTick)、cmsis_os.h(osDelay)、FreeRTOS.h/task.h(空壳),
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* 外加 net_socket.h 桩(只声明 net_get_sock,类型仍取真实 net_types.h)
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* 与 ch395f.h 空桩(本文件一个芯片函数都不调)。
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*
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* 为什么要主机侧单测(而不是只靠台架):
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* netTask 是**串行 socket 栈**的唯一执行者,且在 IWDG required_mask 里:这里的
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* 等待逻辑一旦算错,表现是"整个网络停摆 + 到点喂不上狗复位",而日志里什么都没有。
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* 台架上无法构造"没人来连、超时该怎么算"这类边界(对端行为不可控),主机侧把
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* tick 与 osDelay 做成可控量后可以精确复现"第几轮该退出去"。
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*
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* 覆盖点:
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* TC-NETSEL-001 nfds = 0 → -1
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* TC-NETSEL-002 nfds 为负 → -1
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* TC-NETSEL-003 nfds 超过 NET_MAX_SOCKETS → -1(不许越界扫 socket 表)
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* TC-NETSEL-004 就绪位回写:入参集合里的未就绪 fd 必须被清掉,只留就绪的
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* TC-NETSEL-005 三个集合都可以传 NULL(不崩、不误伤)
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* TC-NETSEL-006 timeout=NULL 时无限等,靠"对端事件到来"唤醒(假 osDelay 造事件)
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* TC-NETSEL-007 tv_usec 换算是**整除截断**(1999us → 1ms,不是 2ms)
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* TC-NETSEL-008 timeout = {0, 0} 只查一轮立即返回(**2026-10-23 修**:原先因
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* `(timeout_ms > 0)` 前置判断而永不过期,等于把"非阻塞探测"变成死等)
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* TC-NETSEL-009 LISTENING 的 socket 即使 readable=1 也不算可读
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* TC-NETSEL-010 ESTABLISHED + send_ready → 可写位置位
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* TC-NETSEL-011 非 ESTABLISHED(CONNECTING)即使 send_ready=1 也不可写
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* TC-NETSEL-012 表项不存在的 fd 计入异常集合(**2026-10-23 修**:判定原本排在
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* continue 之后,exceptfds 是恒为空的死参数)
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* TC-NETSEL-012b 未请求异常集时,缺失的 fd 不计数(不影响只查可读的调用方)
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* TC-NETSEL-012c 异常位只落到被请求的那个集合
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* TC-NETSEL-013 poll 传 NULL 或 nfds<=0 → -1
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* TC-NETSEL-014 poll 非法 fd(负数 / 越界)→ NET_POLLNVAL 且计入 ready
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* TC-NETSEL-015 poll 对 CLOSED socket 置 NET_POLLHUP
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* TC-NETSEL-016 poll 命中 POLLIN → revents 含 NET_POLLIN
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* TC-NETSEL-017 现状桩:NET_POLLERR 在本实现里**永远置不上**(死分支,已登记)
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* TC-NETSEL-018 poll 的 timeout = 0 立即返回(首轮就退,一次都不睡)
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* TC-NETSEL-019 poll 每轮先把 revents 清零,上一轮的位不会带到这一轮
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*
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* 两处"现状桩"(008 / 017)钉的是**当前行为**,不是期望行为:修好它们这两条会红,
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* 那是提醒而不是回归。理由写在下面的注释里。
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*
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* 通过:全部 TC PASS(main 返回 0)。
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* 入口:int main(void),返回 0=PASS / 1=FAIL(由 run 脚本判读)。
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*
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* 创建日期:2026-10-23
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*/
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#include <stdio.h>
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#include <string.h>
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#include "net_select.h"
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#include "net_socket.h"
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#include "net_select.c"
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/* ===================== 断言框架 ===================== */
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static int s_total;
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static int s_passed;
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static int s_failed;
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#define CHECK(cond, name) do { \
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s_total++; \
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if (cond) { s_passed++; printf(" PASS %s\n", name); } \
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else { s_failed++; printf(" FAIL %s (line %d)\n", name, __LINE__); } \
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} while (0)
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/* ===================== 可控 socket 表 ===================== */
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static net_sock_t g_sock[NET_MAX_SOCKETS];
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static uint8_t g_sock_valid[NET_MAX_SOCKETS];
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const net_sock_t *net_get_sock(int sockfd)
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{
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if ((sockfd < 0) || (sockfd >= NET_MAX_SOCKETS)) {
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return NULL;
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}
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if (g_sock_valid[sockfd] == 0u) {
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return NULL;
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}
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return &g_sock[sockfd];
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}
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/* ===================== 可控时基与睡眠 ===================== */
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static uint32_t g_tick;
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static int g_delay_calls;
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static int g_release_after; /* >0:睡够这个轮数后让 fd0 变可读(模拟对端事件) */
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uint32_t HAL_GetTick(void)
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{
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return g_tick++; /* 每问一次时间就前进 1ms:轮数 = 毫秒数,便于精确断言 */
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}
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void osDelay(uint32_t ticks)
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{
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(void)ticks;
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g_delay_calls++;
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if (g_delay_calls > 500) {
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/* 保险:本模块每条用例都必须在有限轮内退出(要么就绪、要么超时、要么由
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* g_release_after 造事件)。跑飞就说明用例或实现出了问题——直接退出,
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* 绝不能把挂死留给 pre-commit / CI(上一次就是这么卡住 exe 文件名的)。 */
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printf(" ABORT poll runaway (>500 rounds without exit)\n");
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fflush(stdout);
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exit(2);
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}
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g_tick++;
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if ((g_release_after > 0) && (g_delay_calls >= g_release_after)) {
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g_sock_valid[0] = 1u;
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g_sock[0].state = NET_SOCK_STATE_ESTABLISHED;
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g_sock[0].readable = 1u;
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}
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}
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/* ===================== 复位 ===================== */
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static void reset_all(void)
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{
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(void)memset(g_sock, 0, sizeof(g_sock));
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(void)memset(g_sock_valid, 0, sizeof(g_sock_valid));
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g_tick = 0u;
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g_delay_calls = 0;
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g_release_after = 0;
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}
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static void make_sock(int fd, net_sock_state_t st, uint8_t readable, uint8_t send_ready)
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{
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g_sock_valid[fd] = 1u;
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g_sock[fd].state = st;
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g_sock[fd].readable = readable;
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g_sock[fd].send_ready = send_ready;
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}
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/* ===================== 参数边界 ===================== */
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static void tc_bounds(void)
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{
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net_fd_set_t r;
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printf("-- TC-NETSEL-001..003 nfds bounds --\n");
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reset_all();
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NET_FD_ZERO(&r);
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CHECK(net_select(0, &r, NULL, NULL, NULL) == -1, "TC-NETSEL-001 nfds=0 -> -1");
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CHECK(net_select(-1, &r, NULL, NULL, NULL) == -1, "TC-NETSEL-002 negative nfds -> -1");
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CHECK(net_select(NET_MAX_SOCKETS + 1, &r, NULL, NULL, NULL) == -1,
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"TC-NETSEL-003 nfds out of range -> -1 (must not scan past the table)");
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}
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/* ===================== 就绪位与集合回写 ===================== */
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static void tc_ready_sets(void)
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{
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net_fd_set_t r;
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net_fd_set_t w;
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int rc;
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printf("-- TC-NETSEL-004..005 ready sets --\n");
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reset_all();
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make_sock(0, NET_SOCK_STATE_ESTABLISHED, 0u, 0u); /* 请求了但没就绪 */
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make_sock(1, NET_SOCK_STATE_ESTABLISHED, 1u, 0u); /* 就绪 */
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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NET_FD_SET(1, &r);
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rc = net_select(4, &r, NULL, NULL, NULL);
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CHECK((rc == 1) && NET_FD_ISSET(1, &r) && !NET_FD_ISSET(0, &r),
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"TC-NETSEL-004 write-back keeps only the ready bits; not-ready fd0 is cleared");
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reset_all();
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make_sock(2, NET_SOCK_STATE_ESTABLISHED, 1u, 0u);
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NET_FD_ZERO(&r);
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NET_FD_SET(2, &r);
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rc = net_select(3, &r, NULL, NULL, NULL); /* write/except 传 NULL */
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CHECK((rc == 1) && (NET_FD_ISSET(2, &r)), "TC-NETSEL-005 the other sets may be NULL");
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/* 注意:timeout 传 NULL 时本函数会一直等到有事件(见 008 的现状说明),
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* 所以这类用例必须让被请求的 fd 真的就绪,否则就是用例自己写死的死循环。 */
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reset_all();
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NET_FD_ZERO(&w);
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NET_FD_ZERO(&r);
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make_sock(2, NET_SOCK_STATE_ESTABLISHED, 0u, 1u); /* send_ready:可写就绪 */
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NET_FD_SET(2, &w);
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rc = net_select(3, NULL, &w, NULL, NULL);
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CHECK((rc == 1) && NET_FD_ISSET(2, &w) && (r.fd_bits == 0u),
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"TC-NETSEL-005b only the sets the caller actually requested get written back");
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}
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/* ===================== 超时算术 ===================== */
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static void tc_timeout(void)
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{
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net_fd_set_t r;
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net_timeval_t tv;
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int rc;
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printf("-- TC-NETSEL-006..008 timeout arithmetic --\n");
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reset_all();
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g_release_after = 3; /* 第 3 轮睡完,对端才有数据 */
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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rc = net_select(1, &r, NULL, NULL, NULL); /* timeout = NULL:无限等 */
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CHECK((rc == 1) && (g_delay_calls == 3) && NET_FD_ISSET(0, &r),
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"TC-NETSEL-006 infinite wait wakes on a peer event");
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reset_all();
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make_sock(0, NET_SOCK_STATE_ESTABLISHED, 0u, 0u);
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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tv.tv_sec = 0;
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tv.tv_usec = 1999; /* 应为 1ms,不是 2ms */
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rc = net_select(1, &r, NULL, NULL, &tv);
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CHECK((rc == 0) && (g_delay_calls == 0),
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"TC-NETSEL-007 tv_usec integer truncation: 1999us counts as 1ms, exits on the first round");
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/* 已修(2026-10-23):原来这里写的是 (timeout_ms > 0) && (已用时 >= timeout_ms),
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* timeout = {0,0} 换算出 0 后**永不超时**,只能干等事件——而 POSIX 语义是
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* "只查一轮立即返回"。调用方(netTask 在 IWDG required_mask 里)拿它当
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* 非阻塞探测用就会卡死主循环。现在这条是正向断言。 */
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reset_all();
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make_sock(0, NET_SOCK_STATE_ESTABLISHED, 0u, 0u);
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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rc = net_select(1, &r, NULL, NULL, &tv);
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CHECK((rc == 0) && (g_delay_calls == 0) && !NET_FD_ISSET(0, &r),
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"TC-NETSEL-008 timeout={0,0} checks one round and returns at once (aligned with poll timeout 0)");
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}
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/* ===================== 状态准入 ===================== */
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static void tc_state_admission(void)
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{
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net_fd_set_t r;
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net_fd_set_t w;
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net_timeval_t tv;
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int rc;
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printf("-- TC-NETSEL-009..012 state admission --\n");
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reset_all();
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make_sock(0, NET_SOCK_STATE_LISTENING, 1u, 0u); /* 监听中但报"可读" */
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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tv.tv_sec = 0;
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tv.tv_usec = 1000;
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rc = net_select(1, &r, NULL, NULL, &tv);
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CHECK((rc == 0) && !NET_FD_ISSET(0, &r),
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"TC-NETSEL-009 listen state is not readable (accept semantics are not in the select layer)");
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reset_all();
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make_sock(0, NET_SOCK_STATE_ESTABLISHED, 0u, 1u);
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NET_FD_ZERO(&w);
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NET_FD_SET(0, &w);
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rc = net_select(1, NULL, &w, NULL, &tv);
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CHECK((rc == 1) && NET_FD_ISSET(0, &w),
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"TC-NETSEL-010 established + send_ready is what makes it writable");
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reset_all();
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make_sock(0, NET_SOCK_STATE_CONNECTING, 0u, 1u);
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NET_FD_ZERO(&w);
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NET_FD_SET(0, &w);
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rc = net_select(1, NULL, &w, NULL, &tv);
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CHECK((rc == 0) && !NET_FD_ISSET(0, &w),
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"TC-NETSEL-011 connecting state is not writable (send_ready does not count)");
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/* 已修(2026-10-23):异常判定原先排在 p_sock == NULL → continue 之后,而
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* check_socket_error() 只有"表项为空 / fd 越界"才返回 1、越界的 i 又不在本循环
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* 范围内 → exceptfds 是恒为空的死参数。现在把判定提到 continue 之前。 */
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tv.tv_sec = 0;
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tv.tv_usec = 1000;
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reset_all();
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g_sock_valid[0] = 0u;
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r);
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rc = net_select(1, NULL, NULL, &r, &tv);
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CHECK((rc == 1) && NET_FD_ISSET(0, &r),
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"TC-NETSEL-012 an fd with no table entry counts into the exception set");
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reset_all();
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g_sock_valid[0] = 0u;
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r); /* 只请求可读 */
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rc = net_select(1, &r, NULL, NULL, &tv);
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CHECK((rc == 0) && !NET_FD_ISSET(0, &r) && (g_delay_calls == 0),
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"TC-NETSEL-012b a missing fd is not counted when the exception set was not requested");
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reset_all();
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g_sock_valid[0] = 0u;
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NET_FD_ZERO(&r);
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NET_FD_SET(0, &r); /* 请求可读:不该置位 */
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NET_FD_ZERO(&w);
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NET_FD_SET(0, &w); /* 请求异常:应该置位 */
|
||
rc = net_select(1, &r, NULL, &w, &tv);
|
||
CHECK((rc == 1) && NET_FD_ISSET(0, &w) && !NET_FD_ISSET(0, &r),
|
||
"TC-NETSEL-012c the exception bit lands only in the requested set, never polluting the read set");
|
||
}
|
||
|
||
/* ===================== poll 语义 ===================== */
|
||
|
||
static void tc_poll(void)
|
||
{
|
||
net_pollfd_t p[4];
|
||
int rc;
|
||
|
||
printf("-- TC-NETSEL-013..019 poll --\n");
|
||
reset_all();
|
||
CHECK((net_poll_events(NULL, 1, 0) == -1) && (net_poll_events(p, 0, 0) == -1),
|
||
"TC-NETSEL-013 invalid poll arguments -> -1");
|
||
|
||
reset_all();
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = -1;
|
||
p[0].events = NET_POLLIN;
|
||
p[1].fd = NET_MAX_SOCKETS; /* 越界 */
|
||
p[1].events = NET_POLLIN;
|
||
rc = net_poll_events(p, 2, 0);
|
||
CHECK((rc == 2) && ((p[0].revents & NET_POLLNVAL) != 0) &&
|
||
((p[1].revents & NET_POLLNVAL) != 0),
|
||
"TC-NETSEL-014 negative and out-of-range fd both set POLLNVAL and count as ready");
|
||
|
||
reset_all();
|
||
make_sock(0, NET_SOCK_STATE_CLOSED, 0u, 0u);
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = 0;
|
||
p[0].events = NET_POLLIN;
|
||
rc = net_poll_events(p, 1, 0);
|
||
CHECK((rc == 1) && ((p[0].revents & NET_POLLHUP) != 0),
|
||
"TC-NETSEL-015 CLOSED sets POLLHUP");
|
||
|
||
reset_all();
|
||
make_sock(0, NET_SOCK_STATE_ESTABLISHED, 1u, 0u);
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = 0;
|
||
p[0].events = NET_POLLIN;
|
||
rc = net_poll_events(p, 1, 0);
|
||
CHECK((rc == 1) && ((p[0].revents & NET_POLLIN) != 0) &&
|
||
((p[0].revents & NET_POLLHUP) == 0),
|
||
"TC-NETSEL-016 readable sets POLLIN without falsely setting HUP");
|
||
|
||
reset_all();
|
||
make_sock(0, NET_SOCK_STATE_ESTABLISHED, 1u, 1u);
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = 0;
|
||
p[0].events = 0; /* 什么都不请求 */
|
||
(void)net_poll_events(p, 1, 0);
|
||
CHECK((p[0].revents & NET_POLLERR) == 0,
|
||
"TC-NETSEL-017 current state: POLLERR is never true (an empty entry is caught earlier by POLLNVAL)");
|
||
|
||
reset_all();
|
||
make_sock(0, NET_SOCK_STATE_ESTABLISHED, 0u, 0u);
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = 0;
|
||
p[0].events = NET_POLLIN;
|
||
rc = net_poll_events(p, 1, 0); /* timeout = 0 */
|
||
CHECK((rc == 0) && (g_delay_calls == 0),
|
||
"TC-NETSEL-018 poll timeout=0 returns at once (contrast with the matching select case)");
|
||
|
||
reset_all();
|
||
make_sock(0, NET_SOCK_STATE_ESTABLISHED, 1u, 0u);
|
||
(void)memset(p, 0, sizeof(p));
|
||
p[0].fd = 0;
|
||
p[0].events = NET_POLLIN;
|
||
p[0].revents = NET_POLLOUT; /* 脏的上一轮残留 */
|
||
(void)net_poll_events(p, 1, 0);
|
||
CHECK((p[0].revents & NET_POLLOUT) == 0, "TC-NETSEL-019 revents is cleared at the start of every round");
|
||
}
|
||
|
||
/* ===================== 入口 ===================== */
|
||
|
||
int main(void)
|
||
{
|
||
printf("=== NET Select Tests ===\n");
|
||
|
||
tc_bounds();
|
||
tc_ready_sets();
|
||
tc_timeout();
|
||
tc_state_admission();
|
||
tc_poll();
|
||
|
||
printf("\n=== NET Select Tests: %d/%d PASSED (failed=%d) ===\n",
|
||
s_passed, s_total, s_failed);
|
||
return (s_failed == 0) ? 0 : 1;
|
||
}
|