924ac3d428
用户裁定「统一」。口径就是 AGENTS 铁律:字符串字面量必须纯 ASCII (无 BOM 文件里奇数个汉字会吞掉结束引号,偶数才侥幸通过),中文只写注释。 四名队友按目录分四组并行、写范围互斥:net_socket 418 行(6 文件)、 console_log/sys_log_mcu/soe_store/cfg_file_store_mcu 268 行(4 文件)、 11 个存量套件 404 行 + adc_input 89 行、iec104 与 lftpd 与 NET 四套等 356 行 (9 文件)。runner 的 .py 文档串不在口径内(Python 源不经 ARMCC 代码页)。 两套口径必须分清:粗口径(按行切引号)普查 = 34 文件 / 1,552 行;严格口径 (状态机剥掉块/行注释与字符常量后再取字符串字面量)= 30 文件 / 1,535 行。 差值那 4 个文件的命中全在注释里(ns_peers.c、net_socket/stub/ns_rtos.h、 common/ch395f_fake.h、common/fatfs_fake.c)——按口径一处都不该改,改了等于 把中文从注释里搬走、正好违背口径。粗口径绝不能当交付判据,否则要么白改 注释、要么留下「这行为什么没改」的悬案。 Lead 独立终检(不采信自报)五条硬判据,结果 30 文件漂移 0:① 每文件 TC 号 集合与 HEAD 逐字相同 ② 断言宏调用点数不变 ③ 行数与 HEAD 完全相等(专抓 整文件回写把尾部含 main() 吃掉的截断,第 1 轮真发生过两次)④ 剥注释后代码区 非 ASCII 字符 = 0 ⑤ 字节卫生(BOM 与 HEAD 一致、无 CR、无 U+FFFD、单尾换行)。 另用「逐行把字面量整体替换成空串后与 HEAD 必须逐行相等」机械证明只改了字面量; 各套 --module 覆盖率与断言数逐字不变(net_socket 887/889·53/53、console_log 199/200·16/16、sys_log_mcu 324/326·13/13、adc_input 103/103、sys_clock 100/100) → 生产码零改动,基线不需重登。 闸拦下一处真实回归(我的验收器没抓到):ns_s6_edges.c 翻译时把一个上一轮 已整改成平实描述的编号又写回了 CHECK 标签。原因很清楚:「只改字面量」并不 等于「只改无害内容」,标签里完全可以带进未登记族的编号形态;而 Lead 的自动 验收器只比对了 TC 形 id 集合,未覆盖 L/E/N/S/TRAP 等族。教训:批量改标签的 守卫必须加一条「新串不得出现任何已登记前缀族之外的编号形态」,且结构不变式 只覆盖自己想到的维度时不能替代真闸。 Lead 自查另清掉 126 处写坏的反斜杠(JS→Python 转义层数翻倍,把 markdown 反引号写成反斜杠+反引号),恰好发生在记录这条教训的那一节里。 文档:docs/测试说明/主机单测覆盖率口径.md §9 新增「第 2 轮」小节(两套口径对照 表、五条终检判据、六条手法含「转换说明符序列必须逐位相同」取代「禁止裸 %」、 三条协作纪律含先改板再派工与临时文件带组前缀、后续项 3 条)+ 变更记录一行。 后续项(本轮不做):把剥注释词法扫描器收进 scripts 当门禁(需用户点头并先定 test/ 是否纳入 coding-standard);iec104 的简写编号归族(牵 id_registry, 不能顺手做);替换器加「编号形态白名单」校验。 gate: pre-commit run --all-files -> 39 hooks, 37 Passed; failed = mem-numbers + mem-budget(受管快照与本树 .map 的漂移,属第 1 轮生产码改动的遗留,非本批 增量)。本批只碰 test/host/**,不进 Keil 编译面也不进模拟器 CMake,**RAM/Flash 增量 = 0**;实测水位 RW_IRAM1 57.4%、RW_CCM 87.9%,均低于 92% 红线。 id-check 0 台账外新账(可判定 84.63% > 基线 82.6%);test-coverage 33/33 全绿; cppcheck / coding-standard / bsp-err / layer-deps / doc-links 全 Passed。 按仓内分支约定 --no-verify 提交,台账 --write 回填留待主工作树合并后。
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 (round 3)");
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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);
|
||
NET_FD_SET(0, &r);
|
||
rc = net_select(1, NULL, NULL, &r, &tv);
|
||
CHECK((rc == 1) && NET_FD_ISSET(0, &r),
|
||
"TC-NETSEL-012 an fd with no table entry counts into the exception set");
|
||
reset_all();
|
||
g_sock_valid[0] = 0u;
|
||
NET_FD_ZERO(&r);
|
||
NET_FD_SET(0, &r); /* 只请求可读 */
|
||
rc = net_select(1, &r, NULL, NULL, &tv);
|
||
CHECK((rc == 0) && !NET_FD_ISSET(0, &r) && (g_delay_calls == 0),
|
||
"TC-NETSEL-012b a missing fd is not counted when the exception set was not requested");
|
||
reset_all();
|
||
g_sock_valid[0] = 0u;
|
||
NET_FD_ZERO(&r);
|
||
NET_FD_SET(0, &r); /* 请求可读:不该置位 */
|
||
NET_FD_ZERO(&w);
|
||
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;
|
||
}
|