|
root_get_handler,
.user_ctx = NULL};
/**
* @description: HTTP错误（404）处理程序 - 将所有请求重定向到根页面
* @param {httpd_req_t} *req
* @param {httpd_err_code_t} err
* @return {*}
*/
static esp_err_t http_404_error_handler(httpd_req_t *req, httpd_err_code_t err)
{
// 设置状态
httpd_resp_set_status(req, "302 Temporary Redirect");
// 重定向到"/"根目录
httpd_resp_set_hdr(req, "Location", "/");
// iOS需要响应中的内容来检测俘虏式门户，仅仅重定向是不够的。
httpd_resp_send(req, "Redirect to the captive portal", HTTPD_RESP_USE_STRLEN);
ESP_LOGI(TAG, "Redirecting to root");
return ESP_OK;
}
/**
* @description: 一个HTTP POST处理程序 用于接受网页返回信息
* @param {httpd_req_t} *req
* @return {*}
*/
static esp_err_t echo_post_handler(httpd_req_t *req)
{
char buf[100];
// char ssid[10];
// char pswd[10];
int ret, remaining = req->content_len;
while (remaining > 0)
{
/* 读取该请求的数据 */
if ((ret = httpd_req_recv(req, buf,
MIN(remaining, sizeof(buf)))) <= 0)
{
if (ret == HTTPD_SOCK_ERR_TIMEOUT)
{
/* 如果发生超时，重试接收 */
continue;
}
return ESP_FAIL;
}
/* 发回相同的数据 */
httpd_resp_send_chunk(req, buf, ret);
remaining -= ret;
esp_err_t ret = httpd_query_key_value(buf, "ssid", wifi_name, sizeof(wifi_name));
if (ret == ESP_OK)
{
char str[32];
memcpy(str, wifi_name, 32);
url_decode(str, wifi_name);// 将url解码
ESP_LOGI(TAG, "ssid = %s", wifi_name);
}
else
{
ESP_LOGI(TAG, "error = %d\r\n", ret);
}
ret = httpd_query_key_value(buf, "password", wifi_password, sizeof(wifi_password));
if (ret == ESP_OK)
{
char str[32];
memcpy(str, wifi_password, 32);
url_decode(str, wifi_password);// 将url解码
ESP_LOGI(TAG, "pswd = %s", wifi_password);
}
else
{
ESP_LOGI(TAG, "error = %d\r\n", ret);
}
/* 收到的日志数据 */
ESP_LOGI(TAG, "=========== RECEIVED DATA ==========");
ESP_LOGI(TAG, "%.*s", ret, buf);
ESP_LOGI(TAG, "====================================");
}
// 结束回应
httpd_resp_send_chunk(req, NULL, 0);
if (strcmp(wifi_name, "\0") != 0)//密码可能为空
{
xSemaphoreGive(ap_sem);
ESP_LOGI(TAG, "set wifi name and password successfully! goto station mode");
// xSemaphoreGive(dns_sem);
}
return ESP_OK;
}
//!若弹出页面出现 Header fields are too long for server to interpret问题，修改sdkconfig文件中的CONFIG_HTTPD_MAX_REQ_HDR_LEN，将其设置为更大的数
static const httpd_uri_t echo = {
.uri = "/wifi_data",
.method = HTTP_POST,
.handler = echo_post_handler,
.user_ctx = NULL};
/**
* @description: web 服务开启运行
* @return {httpd_handle_t} HTTP服务器实例处理程序
*/
httpd_handle_t web_server_start(void)
{
httpd_handle_t server = NULL;
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.max_open_sockets = 4; // todo 使用默认产生警告无法接入页面 待找出原因
config.lru_purge_enable = true;
// 启动httpd服务器
ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
if (httpd_start(&server, &config) == ESP_OK)
{
// 设置URI处理程序
ESP_LOGI(TAG, "Registering URI handlers");
httpd_register_uri_handler(server, &echo);
httpd_register_uri_handler(server, &root);
httpd_register_err_handler(server, HTTPD_404_NOT_FOUND, http_404_error_handler);
return server;
}
ESP_LOGI(TAG, "Error starting server!");
return NULL;
}
/**
* @description: 停止web服务
* @param { |