#include "web_server.h"
#include "device_list.h"
#include "ping.h"
#include "esp_http_server.h"
#include "esp_log.h"
static const char *TAG = "web_server";
static esp_err_t main_page_handler(httpd_req_t *req);
static esp_err_t ping_handler(httpd_req_t *req);
static esp_err_t send_page_header(httpd_req_t *req);
static esp_err_t send_device_table(httpd_req_t *req);
static esp_err_t send_device_row(httpd_req_t *req, const device_info_t *device);
static esp_err_t send_page_footer(httpd_req_t *req);
static httpd_handle_t start_webserver(void);
static void register_http_handlers(httpd_handle_t server);
static const httpd_uri_t main_uri = {.uri = "/", .method = HTTP_GET, .handler = main_page_handler, .user_ctx = NULL};
static const httpd_uri_t ping_uri = {.uri = "/ping", .method = HTTP_GET, .handler = ping_handler, .user_ctx = NULL};
void web_server_init(void)
{
httpd_handle_t server_handle = start_webserver();
if (server_handle != NULL)
{
register_http_handlers(server_handle);
}
}
static httpd_handle_t start_webserver(void)
{
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
httpd_handle_t server = NULL;
if (httpd_start(&server, &config) == ESP_OK)
{
ESP_LOGI(TAG, "HTTP server started");
}
else
{
ESP_LOGE(TAG, "Failed to start http server");
}
return server;
}
static void register_http_handlers(httpd_handle_t server)
{
esp_err_t err = httpd_register_uri_handler(server, &main_uri);
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Failed to register main URI");
}
err = httpd_register_uri_handler(server, &ping_uri);
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Failed to register ping URI");
}
}
static esp_err_t main_page_handler(httpd_req_t *req)
{
httpd_resp_set_type(req, "text/html");
esp_err_t err;
err = send_page_header(req);
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Page header isn't created");
return err;
}
err = send_device_table(req);
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Table isn't created");
return err;
}
err = send_page_footer(req);
if (err != ESP_OK)
{
ESP_LOGE(TAG, "Page footer isn't created");
return err;
}
return httpd_resp_sendstr_chunk(req, NULL);;
}
static esp_err_t send_page_header(httpd_req_t *req)
{
return httpd_resp_sendstr_chunk(
req,
""
""
""
""
"ARP Monitoring"
""
""
"ARP Monitoring
"
);
}
static esp_err_t send_device_table(httpd_req_t *req)
{
esp_err_t err;
err = httpd_resp_sendstr_chunk(
req,
""
);
}
static esp_err_t send_device_row(httpd_req_t *req, const device_info_t *device)
{
char html[256];
snprintf(
html,
sizeof(html),
""
"| "
""
" | "
"%u.%u.%u.%u | "
"%02X:%02X:%02X:%02X:%02X:%02X | "
"%lu | "
"%s | "
"
",
device->mac.addr[0],
device->mac.addr[1],
device->mac.addr[2],
device->mac.addr[3],
device->mac.addr[4],
device->mac.addr[5],
ip4_addr1(&device->ip),
ip4_addr2(&device->ip),
ip4_addr3(&device->ip),
ip4_addr4(&device->ip),
device->mac.addr[0],
device->mac.addr[1],
device->mac.addr[2],
device->mac.addr[3],
device->mac.addr[4],
device->mac.addr[5],
(unsigned long)device->last_seen,
device->active ? "Online" : "Offline"
);
return httpd_resp_sendstr_chunk(req, html);
}
static esp_err_t send_page_footer(httpd_req_t *req)
{
return httpd_resp_sendstr_chunk(
req,
""
""
);
}
static esp_err_t ping_handler(httpd_req_t *req)
{
char query[256];
if (httpd_req_get_url_query_str(req, query, sizeof(query)) == ESP_OK)
{
ping_selected_devices(query);
}
return main_page_handler(req);
}