mirror of
https://github.com/espressif/esp-idf.git
synced 2025-11-04 09:01:40 +01:00
128 lines
3.9 KiB
C
128 lines
3.9 KiB
C
/* Simple HTTP + SSL Server Example
|
|
|
|
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
|
|
|
Unless required by applicable law or agreed to in writing, this
|
|
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
|
CONDITIONS OF ANY KIND, either express or implied.
|
|
*/
|
|
|
|
#include <esp_wifi.h>
|
|
#include <esp_event_loop.h>
|
|
#include <esp_log.h>
|
|
#include <esp_system.h>
|
|
#include <nvs_flash.h>
|
|
#include <sys/param.h>
|
|
#include "tcpip_adapter.h"
|
|
#include "esp_eth.h"
|
|
#include "protocol_examples_common.h"
|
|
|
|
#include <esp_https_server.h>
|
|
|
|
/* A simple example that demonstrates how to create GET and POST
|
|
* handlers and start an HTTPS server.
|
|
*/
|
|
|
|
static const char *TAG = "example";
|
|
|
|
|
|
/* An HTTP GET handler */
|
|
static esp_err_t root_get_handler(httpd_req_t *req)
|
|
{
|
|
httpd_resp_set_type(req, "text/html");
|
|
httpd_resp_send(req, "<h1>Hello Secure World!</h1>", -1); // -1 = use strlen()
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static const httpd_uri_t root = {
|
|
.uri = "/",
|
|
.method = HTTP_GET,
|
|
.handler = root_get_handler
|
|
};
|
|
|
|
|
|
static httpd_handle_t start_webserver(void)
|
|
{
|
|
httpd_handle_t server = NULL;
|
|
|
|
// Start the httpd server
|
|
ESP_LOGI(TAG, "Starting server");
|
|
|
|
httpd_ssl_config_t conf = HTTPD_SSL_CONFIG_DEFAULT();
|
|
|
|
extern const unsigned char cacert_pem_start[] asm("_binary_cacert_pem_start");
|
|
extern const unsigned char cacert_pem_end[] asm("_binary_cacert_pem_end");
|
|
conf.cacert_pem = cacert_pem_start;
|
|
conf.cacert_len = cacert_pem_end - cacert_pem_start;
|
|
|
|
extern const unsigned char prvtkey_pem_start[] asm("_binary_prvtkey_pem_start");
|
|
extern const unsigned char prvtkey_pem_end[] asm("_binary_prvtkey_pem_end");
|
|
conf.prvtkey_pem = prvtkey_pem_start;
|
|
conf.prvtkey_len = prvtkey_pem_end - prvtkey_pem_start;
|
|
|
|
esp_err_t ret = httpd_ssl_start(&server, &conf);
|
|
if (ESP_OK != ret) {
|
|
ESP_LOGI(TAG, "Error starting server!");
|
|
return NULL;
|
|
}
|
|
|
|
// Set URI handlers
|
|
ESP_LOGI(TAG, "Registering URI handlers");
|
|
httpd_register_uri_handler(server, &root);
|
|
return server;
|
|
}
|
|
|
|
static void stop_webserver(httpd_handle_t server)
|
|
{
|
|
// Stop the httpd server
|
|
httpd_ssl_stop(server);
|
|
}
|
|
|
|
static void disconnect_handler(void* arg, esp_event_base_t event_base,
|
|
int32_t event_id, void* event_data)
|
|
{
|
|
httpd_handle_t* server = (httpd_handle_t*) arg;
|
|
if (*server) {
|
|
stop_webserver(*server);
|
|
*server = NULL;
|
|
}
|
|
}
|
|
|
|
static void connect_handler(void* arg, esp_event_base_t event_base,
|
|
int32_t event_id, void* event_data)
|
|
{
|
|
httpd_handle_t* server = (httpd_handle_t*) arg;
|
|
if (*server == NULL) {
|
|
*server = start_webserver();
|
|
}
|
|
}
|
|
|
|
void app_main()
|
|
{
|
|
static httpd_handle_t server = NULL;
|
|
|
|
ESP_ERROR_CHECK(nvs_flash_init());
|
|
tcpip_adapter_init();
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
|
|
/* Register event handlers to start server when Wi-Fi or Ethernet is connected,
|
|
* and stop server when disconnection happens.
|
|
*/
|
|
|
|
#ifdef CONFIG_EXAMPLE_CONNECT_WIFI
|
|
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &connect_handler, &server));
|
|
ESP_ERROR_CHECK(esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &disconnect_handler, &server));
|
|
#endif // CONFIG_EXAMPLE_CONNECT_WIFI
|
|
#ifdef CONFIG_EXAMPLE_CONNECT_ETHERNET
|
|
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_ETH_GOT_IP, &connect_handler, &server));
|
|
ESP_ERROR_CHECK(esp_event_handler_register(ETH_EVENT, ETHERNET_EVENT_DISCONNECTED, &disconnect_handler, &server));
|
|
#endif // CONFIG_EXAMPLE_CONNECT_ETHERNET
|
|
|
|
/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
|
|
* Read "Establishing Wi-Fi or Ethernet Connection" section in
|
|
* examples/protocols/README.md for more information about this function.
|
|
*/
|
|
ESP_ERROR_CHECK(example_connect());
|
|
}
|