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STM32F4-Base/test/net_test_task.c
2026-08-28 16:42:44 +08:00

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/*****************************************************************************
* 模块名称CH395F NET 层测试Phase 6~11
* 模块功能:基于 BSD Socket API单连接模式的 NET 层测试,由 ch395fTestTask
* 任务内的 net_layer_test_main() / net_layer_client_test_main() 事件
* 循环驱动,需 PC 配合。
* 包含 Phase 6(TCP Echo) / 7(TCP Client) / 8(大文件) / 9(Select) /
* 10(边界) / 11(KeepAlive) 及监听循环。
* 作者:王建锋
* 创建日期2026-07-22
******************************************************************************/
#include <string.h>
#include "cmsis_os.h"
#include "net_socket.h"
#include "net_types.h"
#include "ch395f_test.h"
#include "ch395f_test_task.h"
#include "net_test_task.h"
#define DBG_TAG "[NET_TEST]"
#include "dbg_log.h"
/*
* 收发缓冲区 —— 全局静态,不在任务栈上。
* s_rx_buf 仅在 Phase 6(Echo)/8(大文件)/10(边界)/11(KeepAlive) 中使用。
* s_tx_buf 仅在 Phase 8(大文件) 和 Phase 10(边界) 中使用。
* Phase 7(TCP Client) 使用函数内局部小缓冲64B 递增 + 回显)。
*
* 大小依据:
* - CH395F 单 Socket 接收缓冲按 1KB block 配置net_socket.c 中
* set_recv_buf(sock, 30, 2) = 2KB单次 net_recv 至多返回 ~2KB
* 故 s_rx_buf 实际只需 ≥ 2KB此处 32KB 留足余量)。
* - Phase 8(大文件) 现改为流式分块每次仅填一个窗口≤1024B即发出
* 不再一次性填入整文件,故 s_tx_buf 只需 ≥ 单窗口大小(此处 32KB 留足余量)。
* 取 32KB(32768) 同时满足两者并留余量,且为 2 的幂;相比原 64KB
* 在 STM32F4128KB RAM上节省一半静态空间。
*/
#define TEST_BUF_SIZE 32768
/* ===================================================================
* Phase 6 — NET 层 TCP Echo基础收发
*
* 测试目的:验证 BSD Socket APInet_socket的单连接 TCP Echo 通路。
* Socket 0 复用监听和数据通道。PC 发任意数据MCU 原样返回。
* 这是 Phase 7/8/9/10 的基础。
*
* 入口条件Socket 0 处于 ESTABLISHEDTCP 连接已建立)。
* 通过:数据收发一致。
* 失败send/recv 数量不匹配。
* =================================================================== */
#ifdef ENABLE_PHASE6_TESTS
static void phase6_run(int32_t sockfd) {
/*
* 单连接 TCP EchoNET_MSG_DONTWAIT 非阻塞收,原样回显。
* 连接断开由 net 层自动重监听auto_relisten应用层不维护生命周期
* 字节完整性由 PC 侧校验data == test_data固件不做每连接自检。
*/
int32_t n = net_recv(sockfd, s_rx_buf, TEST_BUF_SIZE, NET_MSG_DONTWAIT);
if (n > 0) {
int32_t sent = net_send(sockfd, s_rx_buf, n, 0);
if (sent != n) {
DBG_ERROR("echo: send %d != recv %d", sent, n);
}
}
}
#endif
/* ===================================================================
* Phase 7 — NET 层 TCP Client主动连接 PC 回显服务器)
*
* 测试目的:验证 BSD Socket API 的 TCP Client 路径net_socket + net_bind
* + net_connect + net_send + net_recv
* 1. MCU 主动连接 PC 回显服务器192.168.1.2:8080
* 2. 64B 递增数据回显后,固件侧逐字节比对 + 32 位累加和校验
* 3. 关闭并重新连接(规避 TIME_WAIT每轮换本地端口
* 4. 连接超时负向用例PC 服务关闭时 connect 不应成功)
*
* 入口条件PC 运行 `python test/ch395f_socket_test.py tcp_server --port 8081`
* TC 703 需先关闭该服务)。
* TC 映射TC 701连接 + 回显)/ TC 702关闭重连/ TC 703连接超时
* 通过:回显逐字节一致且 32 位 checksum 匹配;重连全部成功;超时用例未建连。
* 失败:连接失败 / 回显不一致 / 重连中断 / 超时用例误建连。
* =================================================================== */
#ifdef ENABLE_PHASE7_TESTS
#include "net_select.h"
#ifndef PHASE7_REMOTE_IP
#define PHASE7_REMOTE_IP "192.168.1.2"
#endif
#ifndef PHASE7_REMOTE_PORT
#define PHASE7_REMOTE_PORT 8081
#endif
#ifndef PHASE7_LOCAL_PORT
#define PHASE7_LOCAL_PORT 50000
#endif
#ifndef PHASE7_LOOP_COUNT
#define PHASE7_LOOP_COUNT 3
#endif
#ifndef PHASE7_EXCH_SIZE
#define PHASE7_EXCH_SIZE 64
#endif
#ifndef PHASE7_CONN_TIMEOUT_MS
#define PHASE7_CONN_TIMEOUT_MS 10000
#endif
#ifndef PHASE7_TIMEOUT_TEST_MS
#define PHASE7_TIMEOUT_TEST_MS 30000 /* TC 703 连接超时窗(指南规定 30s */
#endif
/* 32 位累加和:足以发现丢字节/错位,比 CRC32 便宜 */
static uint32_t phase7_cksum(const uint8_t *p, uint32_t n) {
uint32_t s = 0;
while (n--) s += *p++;
return s;
}
/* 单次 TCP Client 会话:对应 TC 701 主体 / TC 702 单轮。
* 每轮使用不同本地端口 local_port 规避 TIME_WAIT。
* 返回 1 表示全流程通过0 表示中途失败(已记录 TEST_CHECK。 */
static int32_t phase7_session(uint16_t local_port)
{
int32_t sockfd = net_socket(NET_AF_INET, NET_SOCK_STREAM);
if (sockfd < 0) {
TEST_CHECK(0, "TC701 socket create");
return 0;
}
/* 绑定本地端口(不同轮用不同端口规避 TIME_WAIT */
{
struct net_sockaddr_in laddr;
memset(&laddr, 0, sizeof(laddr));
laddr.sin_family = NET_AF_INET;
laddr.sin_port = net_htons(local_port);
if (net_bind(sockfd, (struct net_sockaddr *)&laddr, sizeof(laddr)) < 0) {
TEST_CHECK(0, "TC701 bind port %d", local_port);
net_close(sockfd);
return 0;
}
}
/* 目标地址 */
struct net_sockaddr_in raddr;
memset(&raddr, 0, sizeof(raddr));
raddr.sin_family = NET_AF_INET;
raddr.sin_port = net_htons((uint16_t)PHASE7_REMOTE_PORT);
raddr.sin_addr.s_addr = net_inet_addr(PHASE7_REMOTE_IP);
DBG_INFO("TC701 connecting %s:%d (local port %d)",
PHASE7_REMOTE_IP, PHASE7_REMOTE_PORT, local_port);
int32_t rc = net_connect(sockfd, (struct net_sockaddr *)&raddr, sizeof(raddr));
TEST_CHECK(rc == 0, "TC701 connect issued (ret=%d)", rc);
if (rc != 0) { net_close(sockfd); return 0; }
/* 等待连接建立:轮询 socket 状态ESTABLISHED
* 用 net_select 触发 net_poll 并作为 100ms 节拍,状态以 net_get_sock 为准。 */
{
int32_t connected = 0;
uint32_t tick = HAL_GetTick();
while (HAL_GetTick() - tick < PHASE7_CONN_TIMEOUT_MS) {
net_sock_t *sk = net_get_sock(sockfd);
if (sk && sk->state == NET_SOCK_STATE_ESTABLISHED) {
connected = 1; break;
}
if (sk && sk->state == NET_SOCK_STATE_CLOSED) {
break; /* 连接失败 */
}
osDelay(100); /* 仅作等待/让出 CPU连接状态由 netTask 的 net_poll 每 10ms 刷新 */
}
TEST_CHECK(connected, "TC701 connected within %dms", PHASE7_CONN_TIMEOUT_MS);
if (!connected) { net_close(sockfd); return 0; }
}
/* 数据交换64B 递增模式 */
uint8_t tx[PHASE7_EXCH_SIZE];
uint8_t rx[PHASE7_EXCH_SIZE];
for (int32_t i = 0; i < PHASE7_EXCH_SIZE; i++) tx[i] = (uint8_t)i;
int32_t sent = net_send(sockfd, tx, PHASE7_EXCH_SIZE, 0);
TEST_CHECK(sent == PHASE7_EXCH_SIZE, "TC701 send %dB (sent=%d)", PHASE7_EXCH_SIZE, sent);
if (sent != PHASE7_EXCH_SIZE) { net_close(sockfd); return 0; }
int32_t recvd = 0;
uint32_t tick = HAL_GetTick();
while (recvd < PHASE7_EXCH_SIZE) {
int32_t n = net_recv(sockfd, rx + recvd, PHASE7_EXCH_SIZE - recvd, NET_MSG_DONTWAIT);
if (n > 0) {
recvd += n;
} else if (n == 0) {
break; /* 对端关闭 */
} else if (n < 0 && net_get_errno() == NET_ERR_WOULDBLOCK) {
if (HAL_GetTick() - tick > PHASE7_CONN_TIMEOUT_MS) break;
osDelay(10);
continue;
} else {
break; /* 其它错误 */
}
if (HAL_GetTick() - tick > PHASE7_CONN_TIMEOUT_MS) break;
}
int32_t ok = (recvd == PHASE7_EXCH_SIZE);
if (ok) {
int32_t bad = 0;
for (int32_t i = 0; i < PHASE7_EXCH_SIZE; i++) {
if (rx[i] != (uint8_t)i) { bad = 1; break; }
}
TEST_CHECK(!bad, "TC701 byte-compare %dB", PHASE7_EXCH_SIZE);
TEST_CHECK(1, "TC701 recv %dB, cksum=0x%08X", recvd, phase7_cksum(rx, PHASE7_EXCH_SIZE));
} else {
TEST_CHECK(0, "TC701 recv %dB (expect %d)", recvd, PHASE7_EXCH_SIZE);
}
net_close(sockfd);
return ok;
}
/* TC 703负向连接超时。PC 未在 REMOTE_IP:REMOTE_PORT 提供服务时,
* connect 不应成功建立。本用例需先关闭 PC 端 tcp_server与 TC 701/702 互斥环境:
* 701/702 要求服务端在线703 要求服务端离线,故 703 应在独立的一轮中运行)。 */
static void phase7_test_timeout(void)
{
int32_t sockfd = net_socket(NET_AF_INET, NET_SOCK_STREAM);
if (sockfd < 0) { TEST_CHECK(0, "TC703 socket create"); return; }
struct net_sockaddr_in raddr;
memset(&raddr, 0, sizeof(raddr));
raddr.sin_family = NET_AF_INET;
raddr.sin_port = net_htons((uint16_t)PHASE7_REMOTE_PORT);
raddr.sin_addr.s_addr = net_inet_addr(PHASE7_REMOTE_IP);
DBG_INFO("TC703 connecting %s:%d (expect TIMEOUT, PC server must be OFF)",
PHASE7_REMOTE_IP, PHASE7_REMOTE_PORT);
int32_t rc = net_connect(sockfd, (struct net_sockaddr *)&raddr, sizeof(raddr));
TEST_CHECK(rc == 0, "TC703 connect issued (ret=%d)", rc);
if (rc != 0) { net_close(sockfd); return; }
int32_t established = 0;
uint32_t tick = HAL_GetTick();
while (HAL_GetTick() - tick < PHASE7_TIMEOUT_TEST_MS) {
net_sock_t *sk = net_get_sock(sockfd);
if (sk && sk->state == NET_SOCK_STATE_ESTABLISHED) { established = 1; break; }
if (sk && sk->state == NET_SOCK_STATE_CLOSED) break;
osDelay(100); /* 仅作等待/让出 CPU连接状态由 netTask 的 net_poll 每 10ms 刷新 */
}
if (established) {
TEST_CHECK(0, "TC703 connected?! stop PC server and retry");
} else {
TEST_CHECK(1, "TC703 no-connect within %dms (timeout as expected)", PHASE7_TIMEOUT_TEST_MS);
}
net_close(sockfd);
}
/* TC 704多 Socket 并发 TCP Client。
* 多 Socket 模式下 Socket 1~7 才可用;本用例同时打开 Socket 0~7
* 各自连 PC echo server每路独立收发 PHASE7_EXCH_SIZE 字节回显并比对,
* 验证 8 个 Socket 均能独立工作。依赖 PC 端 tcp_server 支持并发连接。 */
#ifndef PHASE7_MULTI_COUNT
#define PHASE7_MULTI_COUNT 8
#endif
#ifndef PHASE7_MULTI_BASE_PORT
#define PHASE7_MULTI_BASE_PORT 51000
#endif
static int32_t phase7_session_multi(void)
{
int32_t sockfd[PHASE7_MULTI_COUNT];
uint8_t tx[PHASE7_EXCH_SIZE];
uint8_t rx[PHASE7_EXCH_SIZE];
for (int32_t i = 0; i < PHASE7_EXCH_SIZE; i++) tx[i] = (uint8_t)i;
/* 1) 打开并连接所有 Socket各自绑定不同本地端口规避 TIME_WAIT */
for (int32_t i = 0; i < PHASE7_MULTI_COUNT; i++) {
sockfd[i] = net_socket(NET_AF_INET, NET_SOCK_STREAM);
if (sockfd[i] < 0) {
TEST_CHECK(0, "TC704 socket create #%d", i);
for (int32_t j = 0; j < i; j++) net_close(sockfd[j]);
return 0;
}
struct net_sockaddr_in laddr;
memset(&laddr, 0, sizeof(laddr));
laddr.sin_family = NET_AF_INET;
laddr.sin_port = net_htons((uint16_t)(PHASE7_MULTI_BASE_PORT + i));
if (net_bind(sockfd[i], (struct net_sockaddr *)&laddr, sizeof(laddr)) < 0) {
TEST_CHECK(0, "TC704 bind #%d port %d", i, PHASE7_MULTI_BASE_PORT + i);
net_close(sockfd[i]);
for (int32_t j = 0; j < i; j++) net_close(sockfd[j]);
return 0;
}
struct net_sockaddr_in raddr;
memset(&raddr, 0, sizeof(raddr));
raddr.sin_family = NET_AF_INET;
raddr.sin_port = net_htons((uint16_t)PHASE7_REMOTE_PORT);
raddr.sin_addr.s_addr = net_inet_addr(PHASE7_REMOTE_IP);
int32_t rc = net_connect(sockfd[i], (struct net_sockaddr *)&raddr, sizeof(raddr));
TEST_CHECK(rc == 0, "TC704 connect #%d issued (ret=%d)", i, rc);
if (rc != 0) {
net_close(sockfd[i]);
for (int32_t j = 0; j < i; j++) net_close(sockfd[j]);
return 0;
}
}
/* 2) 等待所有连接建立(或超时) */
{
uint32_t tick = HAL_GetTick();
int32_t all_up = 0;
while (HAL_GetTick() - tick < PHASE7_CONN_TIMEOUT_MS) {
all_up = 1;
for (int32_t i = 0; i < PHASE7_MULTI_COUNT; i++) {
net_sock_t *sk = net_get_sock(sockfd[i]);
if (!sk || sk->state != NET_SOCK_STATE_ESTABLISHED) { all_up = 0; break; }
}
if (all_up) break;
osDelay(100);
}
TEST_CHECK(all_up, "TC704 all %d sockets established within %dms", PHASE7_MULTI_COUNT, PHASE7_CONN_TIMEOUT_MS);
if (!all_up) {
for (int32_t i = 0; i < PHASE7_MULTI_COUNT; i++) {
net_sock_t *sk = net_get_sock(sockfd[i]);
if (sk) DBG_ERROR("TC704 socket #%d state=%d", i, sk->state);
net_close(sockfd[i]);
}
return 0;
}
}
/* 3) 每路独立收发回显 */
int32_t ok = 1;
for (int32_t i = 0; i < PHASE7_MULTI_COUNT; i++) {
int32_t sent = net_send(sockfd[i], tx, PHASE7_EXCH_SIZE, 0);
if (sent != PHASE7_EXCH_SIZE) {
TEST_CHECK(0, "TC704 socket #%d send %dB (sent=%d)", i, PHASE7_EXCH_SIZE, sent);
ok = 0;
continue;
}
int32_t recvd = 0;
uint32_t tick = HAL_GetTick();
while (recvd < PHASE7_EXCH_SIZE) {
int32_t n = net_recv(sockfd[i], rx + recvd, PHASE7_EXCH_SIZE - recvd, NET_MSG_DONTWAIT);
if (n > 0) recvd += n;
else if (n == 0) break;
else if (n < 0 && net_get_errno() == NET_ERR_WOULDBLOCK) {
if (HAL_GetTick() - tick > PHASE7_CONN_TIMEOUT_MS) break;
osDelay(10);
continue;
} else break;
if (HAL_GetTick() - tick > PHASE7_CONN_TIMEOUT_MS) break;
}
int32_t sock_ok = (recvd == PHASE7_EXCH_SIZE);
if (sock_ok) {
int32_t bad = 0;
for (int32_t k = 0; k < PHASE7_EXCH_SIZE; k++) if (rx[k] != (uint8_t)k) { bad = 1; break; }
TEST_CHECK(!bad, "TC704 socket #%d echo %dB OK", i, PHASE7_EXCH_SIZE);
} else {
TEST_CHECK(0, "TC704 socket #%d recv %dB (expect %d)", i, recvd, PHASE7_EXCH_SIZE);
ok = 0;
}
}
/* 4) 关闭所有 */
for (int32_t i = 0; i < PHASE7_MULTI_COUNT; i++) net_close(sockfd[i]);
return ok;
}
void net_layer_client_test_main(void)
{
DBG_INFO("=== CH395F Phase 7 Tests (NET TCP Client) ===");
DBG_INFO("--- TC 701: connect + %dB echo exchange ---", PHASE7_EXCH_SIZE);
phase7_session((uint16_t)PHASE7_LOCAL_PORT);
DBG_INFO("--- TC 702: close/reconnect x%d ---", PHASE7_LOOP_COUNT);
{
int32_t all_ok = 1;
for (int32_t i = 0; i < PHASE7_LOOP_COUNT; i++) {
if (!phase7_session((uint16_t)(PHASE7_LOCAL_PORT + 1 + i))) all_ok = 0;
}
TEST_CHECK(all_ok, "TC702 reconnect x%d all passed", PHASE7_LOOP_COUNT);
}
DBG_INFO("--- TC 704: %d-socket concurrent client (PC %s:%d MUST be ON) ---",
PHASE7_MULTI_COUNT, PHASE7_REMOTE_IP, PHASE7_REMOTE_PORT);
phase7_session_multi();
DBG_INFO("--- TC 703: connect timeout (PC %s:%d MUST be OFF) ---",
PHASE7_REMOTE_IP, PHASE7_REMOTE_PORT);
phase7_test_timeout();
TEST_REPORT("Phase 7");
}
#endif
/* ===================================================================
* Phase 8 — 大文件 / 批量传输(默认 100KB文件收发
*
* 测试目的:验证超过 Socket 接收缓冲2KB的大块数据在 net_send /
* net_recv 层经分块后的正确处理;并支持「文件发送(MCU→PC) /
* 文件接收(PC→MCU) / 回显 round-trip」三种方向。
*
* 数据模式:递增字节,绝对位置 p 处字节 = (p & 0xFF);发送端按窗口
* (offset + i) 生成,接收端按 offset 逐字节比对(自校验)。
* 整包另用 CRC32与 PC zlib.crc32 一致)做整体校验。
*
* 缓冲策略s_tx_buf / s_rx_buf 仅 32KB100KB 须按窗口逐块生成/校验,
* 不整体驻留 RAM流式分块
*
* 方向选择(编译宏 PHASE8_DIRECTION
* 0 = ECHO 发 100KB 经 PC 回显MCU 收齐校验(默认)
* 1 = SEND MCU 发 100KBPC 落盘 rx_100k.bin 校验
* 2 = RECV PC 发 100KB+4B CRC32 尾MCU 收齐字节+CRC 校验
* =================================================================== */
/* Phase 8 方向配置:须早于下方缓冲声明,以按方向精确控制 s_tx_buf 等是否参与编译 */
#ifdef ENABLE_PHASE8_TESTS
#define PHASE8_DIR_ECHO 0
#define PHASE8_DIR_SEND 1
#define PHASE8_DIR_RECV 2
#ifndef PHASE8_FILE_SIZE
#define PHASE8_FILE_SIZE 102400 /* 100KB */
#endif
#ifndef PHASE8_DIRECTION
#define PHASE8_DIRECTION PHASE8_DIR_ECHO
#endif
#endif
#if defined(ENABLE_PHASE6_TESTS) || \
(defined(ENABLE_PHASE8_TESTS) && (PHASE8_DIRECTION != PHASE8_DIR_SEND)) || \
defined(ENABLE_PHASE10_TESTS) || defined(ENABLE_PHASE11_TESTS)
static uint8_t s_rx_buf[TEST_BUF_SIZE];
#endif
/* s_tx_buf 仅 SEND/ECHO及 Phase 10需要RECV 不发送,避免未使用变量警告 */
#if (defined(ENABLE_PHASE8_TESTS) && (PHASE8_DIRECTION != PHASE8_DIR_RECV)) || \
defined(ENABLE_PHASE10_TESTS)
static uint8_t s_tx_buf[TEST_BUF_SIZE];
#endif
#ifdef ENABLE_PHASE8_TESTS
/* CRC32标准与 Python zlib.crc32 一致;初始 0xFFFFFFFF末异或 0xFFFFFFFF
* 仅 RECV 方向需要MCU 收齐后比对 PC 附在文件末尾的 4 字节 CRC32。 */
#if PHASE8_DIRECTION == PHASE8_DIR_RECV
static uint32_t phase8_crc32_step(uint32_t crc, const uint8_t *data, uint32_t len) {
for (uint32_t i = 0; i < len; i++) {
crc ^= data[i];
for (int32_t k = 0; k < 8; k++) {
crc = (crc & 1u) ? (crc >> 1) ^ 0xEDB88320u : (crc >> 1);
}
}
return crc;
}
#endif
/* 仅 SEND/ECHO 方向需要:生成递增模式发送窗口 */
#if PHASE8_DIRECTION != PHASE8_DIR_RECV
static void phase8_fill(uint8_t *buf, uint32_t size, uint32_t offset) {
for (uint32_t i = 0; i < size; i++) {
buf[i] = (uint8_t)((offset + i) & 0xFF);
}
}
#endif
/* 仅 ECHO/RECV 方向需要:逐字节校验接收数据 */
#if PHASE8_DIRECTION != PHASE8_DIR_SEND
static int32_t phase8_verify(uint8_t *buf, uint32_t size, uint32_t offset) {
for (uint32_t i = 0; i < size; i++) {
if (buf[i] != (uint8_t)((offset + i) & 0xFF)) {
DBG_ERROR("Phase8: mismatch at %lu (expect 0x%02X, got 0x%02X)",
offset + i, (uint8_t)((offset + i) & 0xFF), buf[i]);
return 0;
}
}
return 1;
}
#endif
static void phase8_run(int32_t sockfd) {
#if PHASE8_DIRECTION == PHASE8_DIR_RECV
/* PC 发送文件(尾附 4B CRC32MCU 接收并逐字节 + CRC32 校验 */
DBG_INFO("Phase8[RECV]: receiving %d-byte file", PHASE8_FILE_SIZE);
uint32_t recvd = 0;
uint32_t crc = 0xFFFFFFFFu;
while (recvd < PHASE8_FILE_SIZE) {
int32_t to_read = (PHASE8_FILE_SIZE - recvd) > (TEST_BUF_SIZE - 4)
? (TEST_BUF_SIZE - 4) : (int)(PHASE8_FILE_SIZE - recvd);
int32_t n = net_recv(sockfd, s_rx_buf, to_read, 0);
if (n <= 0) {
DBG_ERROR("Phase8[RECV]: recv fail at %lu (ret=%d)", recvd, n);
return;
}
int32_t ok = phase8_verify(s_rx_buf, (uint32_t)n, recvd);
TEST_CHECK(ok, "Phase8[RECV]: verify at %lu (%d bytes)", recvd, n);
if (!ok) return;
crc = phase8_crc32_step(crc, s_rx_buf, (uint32_t)n);
recvd += (uint32_t)n;
}
/* 读取 PC 附在文件末尾的 4 字节 CRC32小端 */
uint8_t foot[4];
uint32_t got = 0;
while (got < 4) {
int32_t n = net_recv(sockfd, foot + got, (int)(4 - got), 0);
if (n <= 0) {
DBG_ERROR("Phase8[RECV]: footer recv fail (ret=%d)", n);
return;
}
got += (uint32_t)n;
}
uint32_t crc_exp = crc ^ 0xFFFFFFFFu;
uint32_t crc_act = ((uint32_t)foot[0]) | ((uint32_t)foot[1] << 8)
| ((uint32_t)foot[2] << 16) | ((uint32_t)foot[3] << 24);
TEST_CHECK(crc_act == crc_exp,
"Phase8[RECV]: CRC32 exp=0x%08X act=0x%08X", crc_exp, crc_act);
DBG_INFO("Phase8[RECV]: done, CRC32=0x%08X", crc_exp);
#elif PHASE8_DIRECTION == PHASE8_DIR_SEND
/* MCU 发送文件PC 落盘校验PC 侧自行比对字节/CRC32 */
DBG_INFO("Phase8[SEND]: sending %d-byte file", PHASE8_FILE_SIZE);
uint32_t sent = 0;
while (sent < PHASE8_FILE_SIZE) {
/* 每次填充一个滑动窗口(≤ s_tx_buf 容量net_send 内部按硬件发送 FIFO
* (NET_SEND_CHUNK_MAX=1KB见 Trap 20) 自动拆分写入,无需此处逐 1KB 分块 */
uint32_t chunk = (PHASE8_FILE_SIZE - sent) > (uint32_t)TEST_BUF_SIZE
? (uint32_t)TEST_BUF_SIZE : (PHASE8_FILE_SIZE - sent);
phase8_fill(s_tx_buf, chunk, sent);
int32_t n = net_send(sockfd, s_tx_buf, (int)chunk, 0);
if (n <= 0) {
DBG_ERROR("Phase8[SEND]: send fail at %lu (ret=%d)", sent, n);
return;
}
sent += (uint32_t)n;
}
DBG_INFO("Phase8[SEND]: sent %d bytes", PHASE8_FILE_SIZE);
TEST_CHECK(1, "Phase8[SEND]: %d-byte file sent", PHASE8_FILE_SIZE);
#else /* PHASE8_DIR_ECHO */
/* 发 100KB 经 PC 回显tcp_server --max-conn 1MCU 收齐逐字节校验 */
DBG_INFO("Phase8[ECHO]: transferring %d-byte file", PHASE8_FILE_SIZE);
uint32_t sent = 0;
while (sent < PHASE8_FILE_SIZE) {
/* 同 SEND填充滑动窗口≤ s_tx_buf由 net_send 内部按硬件 FIFO 自动拆分 */
uint32_t chunk = (PHASE8_FILE_SIZE - sent) > (uint32_t)TEST_BUF_SIZE
? (uint32_t)TEST_BUF_SIZE : (PHASE8_FILE_SIZE - sent);
phase8_fill(s_tx_buf, chunk, sent);
int32_t n = net_send(sockfd, s_tx_buf, (int)chunk, 0);
if (n <= 0) {
DBG_ERROR("Phase8[ECHO]: send fail at %lu (ret=%d)", sent, n);
return;
}
sent += (uint32_t)n;
}
uint32_t recvd = 0;
while (recvd < PHASE8_FILE_SIZE) {
int32_t n = net_recv(sockfd, s_rx_buf, TEST_BUF_SIZE, 0);
if (n <= 0) {
DBG_ERROR("Phase8[ECHO]: recv fail at %lu (ret=%d)", recvd, n);
return;
}
int32_t ok = phase8_verify(s_rx_buf, (uint32_t)n, recvd);
TEST_CHECK(ok, "Phase8[ECHO]: verify at %lu (%d bytes)", recvd, n);
if (!ok) return;
recvd += (uint32_t)n;
}
TEST_CHECK(1, "Phase8[ECHO]: %d-byte file transfer complete", PHASE8_FILE_SIZE);
#endif
/* 一次性传输完成:主动关闭数据连接,触发 net 层自动重监听。
* 否则 accept 循环会在“仍打开的同一条连接”上重复执行本 Phase——
* SEND/RECV 由 PC 端先关闭尚可终止ECHO 方向 PC 回显客户端不会主动
* 关闭,会导致 MCU 无限重复、PC 端 tcp_file --op echo 一直挂起。 */
net_close(sockfd);
}
#endif
/* ===================================================================
* Phase 9 — Select/Poll I/O 多路复用
*
* 测试目的:验证 net_select() API 在单 Socket 模式下正确工作:
* 1. Socket 0 有数据到达时 select 返回正数
* 2. NET_FD_ISSET 正确指示就绪的 Socket
* 3. 超时50ms 无数据)时返回 0
*
* 入口条件Socket 0 处于 ESTABLISHED。
* 通过select 检测到数据并成功回显。
* 失败select 未检测到数据或回显失败。
* =================================================================== */
#ifdef ENABLE_PHASE9_TESTS
#include "net_select.h"
static uint32_t s_phase9_count = 0;
static void phase9_run(int32_t sockfd) {
net_fd_set readfds;
net_timeval tv;
/*
* 配置 select只监测 Socket 0 的可读状态,超时 50ms。
* NET_FD_ZERO 清空集合NET_FD_SET 添加 Socket 0。
* 50ms 超时确保不阻塞任务循环太久。
*/
NET_FD_ZERO(&readfds);
NET_FD_SET(sockfd, &readfds);
tv.tv_sec = 0;
tv.tv_usec = 50000;
int32_t nfds = net_select(sockfd + 1, &readfds, NULL, NULL, &tv);
if (nfds <= 0) return;
/* Socket 0 可读:非阻塞接收并回显 */
if (NET_FD_ISSET(sockfd, &readfds)) {
int32_t n = net_recv(sockfd, s_rx_buf, TEST_BUF_SIZE, NET_MSG_DONTWAIT);
if (n > 0) {
int32_t sent = net_send(sockfd, s_rx_buf, n, 0);
if (sent == n) {
s_phase9_count++;
TEST_CHECK(1, "Phase9: select echo #%lu (%d bytes)", s_phase9_count, n);
}
}
}
}
#endif
/* ===================================================================
* Phase 10 — 边界条件测试
*
* 测试目的:验证以下 DMA 和协议栈边界情况:
* 1. TC-NET-1001: 4095BSPI 最大载荷 -1单次 DMA 容纳)
* 2. TC-NET-1002: 4096B= SPI 最大载荷,填满单次 DMA
* 3. TC-NET-1003: 4097B超过 SPI 最大载荷,拆 2 次 DMA
* 4. TC-NET-1004: 零长度发送(返回 -1
* 5. TC-NET-1005: 20 × 100B 连续快速发送
*
* 各用例通过状态机s_phase10_stage串行执行每次 phase10_run 推进一个
* 步骤(发送→等待→接收→验证→下一阶段)。发送数据为递增模式字节
* buf[i] = seed + i接收端按相同模式验证。
*
* 入口条件Socket 0 处于 ESTABLISHED。
* 通过:各用例自身判定。
* =================================================================== */
#ifdef ENABLE_PHASE10_TESTS
static int32_t s_phase10_stage = 0;
static uint32_t s_phase10_recv = 0;
static void phase10_fill(uint8_t *buf, uint32_t size, uint8_t seed) {
for (uint32_t i = 0; i < size; i++) {
buf[i] = (uint8_t)(seed + i);
}
}
static int32_t phase10_verify(uint8_t *buf, uint32_t size, uint8_t seed) {
for (uint32_t i = 0; i < size; i++) {
if (buf[i] != (uint8_t)(seed + i)) return 0;
}
return 1;
}
static void phase10_run(int32_t sockfd) {
/* 阶段 0 → 1发送 4095B */
if (s_phase10_stage == 0) {
DBG_INFO("Phase10: 4095B (DMA-1)");
phase10_fill(s_tx_buf, 4095, 0x10);
int32_t sent = net_send(sockfd, s_tx_buf, 4095, 0);
TEST_CHECK(sent == 4095, "Phase10: send 4095B (sent=%d)", sent);
s_phase10_recv = 0;
s_phase10_stage = 1;
return;
}
/* 阶段 1接收并验证 4095B 回显 */
if (s_phase10_stage == 1) {
int32_t n = net_recv(sockfd, s_rx_buf + s_phase10_recv, (int)(4095 - s_phase10_recv), 0);
if (n > 0) {
s_phase10_recv += (uint32_t)n;
if (s_phase10_recv >= 4095) {
TEST_CHECK(phase10_verify(s_rx_buf, 4095, 0x10), "Phase10: verify 4095B");
s_phase10_stage = 2;
}
}
return;
}
/* 阶段 2 → 3发送 4096BDMA 边界精确值) */
if (s_phase10_stage == 2) {
DBG_INFO("Phase10: 4096B (DMA exact)");
phase10_fill(s_tx_buf, 4096, 0x20);
int32_t sent = net_send(sockfd, s_tx_buf, 4096, 0);
TEST_CHECK(sent == 4096, "Phase10: send 4096B (sent=%d)", sent);
s_phase10_recv = 0;
s_phase10_stage = 3;
return;
}
/* 阶段 3接收并验证 4096B 回显 */
if (s_phase10_stage == 3) {
int32_t n = net_recv(sockfd, s_rx_buf + s_phase10_recv, (int)(4096 - s_phase10_recv), 0);
if (n > 0) {
s_phase10_recv += (uint32_t)n;
if (s_phase10_recv >= 4096) {
TEST_CHECK(phase10_verify(s_rx_buf, 4096, 0x20), "Phase10: verify 4096B");
s_phase10_stage = 4;
}
}
return;
}
/* 阶段 4 → 5发送 4097B超过 DMA 上限,自动拆 4096+1 */
if (s_phase10_stage == 4) {
DBG_INFO("Phase10: 4097B (DMA+1, 2 SPI xacts)");
phase10_fill(s_tx_buf, 4097, 0x30);
int32_t sent = net_send(sockfd, s_tx_buf, 4097, 0);
TEST_CHECK(sent == 4097, "Phase10: send 4097B (sent=%d)", sent);
s_phase10_recv = 0;
s_phase10_stage = 5;
return;
}
/* 阶段 5接收并验证 4097B 回显 */
if (s_phase10_stage == 5) {
int32_t n = net_recv(sockfd, s_rx_buf + s_phase10_recv, (int)(4097 - s_phase10_recv), 0);
if (n > 0) {
s_phase10_recv += (uint32_t)n;
if (s_phase10_recv >= 4097) {
TEST_CHECK(phase10_verify(s_rx_buf, 4097, 0x30), "Phase10: verify 4097B");
s_phase10_stage = 6;
}
}
return;
}
/* 阶段 6零长度发送 —— 期望 net_send 返回 -1NET_ERR_INVAL */
if (s_phase10_stage == 6) {
DBG_INFO("Phase10: zero-length send");
int32_t sent = net_send(sockfd, s_tx_buf, 0, 0);
TEST_CHECK(sent < 0, "Phase10: send 0B returns %d (expect <0)", sent);
s_phase10_stage = 7;
return;
}
/* 阶段 720 × 100B 快速发送 */
if (s_phase10_stage == 7) {
DBG_INFO("Phase10: 20x rapid sends (100B each)");
phase10_fill(s_tx_buf, 100, 0x40);
int32_t all_ok = 1;
for (int32_t i = 0; i < 20; i++) {
if (net_send(sockfd, s_tx_buf, 100, 0) != 100) {
TEST_CHECK(0, "Phase10: rapid #%d fail", i + 1);
all_ok = 0; break;
}
osDelay(1);
}
if (all_ok) {
TEST_CHECK(1, "Phase10: 20x rapid sends OK");
s_phase10_recv = 0;
s_phase10_stage = 8;
} else {
s_phase10_stage = 0;
}
return;
}
/* 阶段 8接收 2000B 回显总和并验证 */
if (s_phase10_stage == 8) {
int32_t n = net_recv(sockfd, s_rx_buf + s_phase10_recv, (int)(2000 - s_phase10_recv), 0);
if (n > 0) {
s_phase10_recv += (uint32_t)n;
if (s_phase10_recv >= 2000) {
TEST_CHECK(1, "Phase10: all echo received");
TEST_REPORT("Phase 10");
s_phase10_stage = 0;
}
}
return;
}
}
#endif
/* ===================================================================
* Phase 11 — TCP KeepAlive 超时断开
*
* 测试目的:验证 CH395F 的 TCP KeepAlive 机制:
* 1. 连接空闲超过 idle 阈值60s后开始发送探测包
* 2. 探测无响应(默认 3 次 × 5s = 15s后触发 TIMEOUT
* 3. Socket 自动关闭并回到 LISTEN
*
* 入口条件Socket 0 处于 ESTABLISHEDPC 连接后静置(不发数据)。
* 通过KeepAlive 断开时间 ≥ 60s从连接建立到 recv 返回 0 的间隔)。
* 失败:不到 60s 就断开(可能是其他原因导致)或 75s 后仍未断开。
* =================================================================== */
#ifdef ENABLE_PHASE11_TESTS
static int32_t s_phase11_armed = 0;
static uint32_t s_phase11_start = 0;
static void phase11_run(int32_t sockfd) {
/*
* 第一次调用:记录开始时间并 arm。
* 后续调用:非阻塞 recv若返回 0 表示连接已断开KeepAlive 触发)。
* 计算耗时与 60s idle 阈值比较。
*/
if (!s_phase11_armed) {
s_phase11_armed = 1;
s_phase11_start = HAL_GetTick();
DBG_INFO("Phase11: idle wait for KeepAlive timeout (60s)");
return;
}
int32_t n = net_recv(sockfd, s_rx_buf, 64, NET_MSG_DONTWAIT);
if (n == 0) {
uint32_t elapsed = HAL_GetTick() - s_phase11_start;
TEST_CHECK(elapsed >= 60000,
"Phase11: KeepAlive triggered after %lums (expect >=60000ms)", elapsed);
TEST_REPORT("Phase 11");
s_phase11_armed = 0;
}
}
#endif
void net_layer_test_main(void)
{
int32_t sockfd = -1;
int32_t phase_active = 0;
uint32_t accept_retry = 0;
struct net_sockaddr_in client_addr;
int32_t addrlen = sizeof(client_addr);
sockfd = net_socket(NET_AF_INET, NET_SOCK_STREAM);
if (sockfd < 0) {
DBG_ERROR("Test task: net_socket failed");
return;
}
DBG_INFO("Test task: socket %d created", sockfd);
{
struct net_sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = NET_AF_INET;
addr.sin_port = net_htons(8080);
if (net_bind(sockfd, (struct net_sockaddr *)&addr, sizeof(addr)) < 0) {
DBG_ERROR("Test task: net_bind failed");
return;
}
DBG_INFO("Test task: bound to port 8080");
}
if (net_listen(sockfd) < 0) {
DBG_ERROR("Test task: net_listen failed");
return;
}
DBG_INFO("Test task: listening on 8080 (single-socket mode)");
/* ==================== 事件驱动阶段 ====================
* Phase 6/8~11NET 层)在 TCP 监听循环中运行,需要 PC 客户端连接。
* Phase 7 TCP Client 为独立入口 net_layer_client_test_main不在本循环。
* 没有连接时循环等待;连接建立后执行对应 Phase。
* 断开后自动重新 listen。
*/
for (;;) {
if (!phase_active) {
int32_t acc = net_accept(sockfd, (struct net_sockaddr *)&client_addr, &addrlen);
if (acc < 0) {
if (accept_retry % 100 == 0) {
DBG_INFO("Test task: waiting for connection...");
}
accept_retry++;
osDelay(100);
continue;
}
accept_retry = 0;
phase_active = 1;
DBG_INFO("Test task: client accepted (fd=%d)", acc);
/* 连接建立,重置各 Phase 内部状态 */
#ifdef ENABLE_PHASE10_TESTS
s_phase10_stage = 0;
#endif
#ifdef ENABLE_PHASE11_TESTS
s_phase11_armed = 0;
#endif
}
/* 每 10ms 依次执行各已启用 Phase */
#ifdef ENABLE_PHASE6_TESTS
phase6_run(sockfd);
#endif
#ifdef ENABLE_PHASE8_TESTS
phase8_run(sockfd);
phase_active = 0; /* Phase 8 一次性完成,发完即止 */
#endif
#ifdef ENABLE_PHASE9_TESTS
phase9_run(sockfd);
#endif
#ifdef ENABLE_PHASE10_TESTS
phase10_run(sockfd);
#endif
#ifdef ENABLE_PHASE11_TESTS
phase11_run(sockfd);
#endif
/*
* 单连接模式:连接断开由 net 层自动重监听auto_relisten
* 应用层不巡检/不重监听,回显循环持续服务新连接。
*/
osDelay(10);
}
}