Init commit

2026-07-15 20:32:20 +03:00
commit 948ae56f77
23 changed files with 2108 additions and 0 deletions
@@ -0,0 +1,213 @@
+#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,
+        "<!DOCTYPE html>"
+        "<html>"
+        "<head>"
+        "<meta charset=\"UTF-8\">"
+        "<title>ARP Monitoring</title>"
+        "</head>"
+        "<body>"
+        "<h1>ARP Monitoring</h1>"
+    );
+}
+
+static esp_err_t send_device_table(httpd_req_t *req)
+{
+    esp_err_t err;
+
+    err = httpd_resp_sendstr_chunk(
+        req,
+        "<form action=\"/ping\" method=\"get\">"
+        "<table border=\"1\">"
+        "<tr>"
+            "<th>Select</th>"
+            "<th>IP address</th>"
+            "<th>MAC address</th>"
+            "<th>Last seen</th>"
+            "<th>Status</th>"
+        "</tr>"
+    );
+
+    for (size_t index = 0; index < device_list_count(); index++)
+    {
+        const device_info_t *current_device;
+        current_device = device_list_get_by_index(index);
+
+        if (current_device == NULL)
+            continue;
+
+        err = send_device_row(req, current_device);
+
+        if (err != ESP_OK)
+            return err;
+    }
+
+    return httpd_resp_sendstr_chunk(
+        req, 
+        "</table>"
+        "<br>"
+        "<input type=\"submit\" value=\"Ping selected devices\">"
+        "</form>"
+    );
+}
+
+static esp_err_t send_device_row(httpd_req_t *req, const device_info_t *device)
+{
+    char html[256];
+
+    snprintf(
+        html,
+        sizeof(html),
+
+        "<tr>"
+        "<td>"
+        "<input type=\"checkbox\" name=\"mac\" value=\"%02X:%02X:%02X:%02X:%02X:%02X\">"
+        "</td>"
+        "<td>%u.%u.%u.%u</td>"
+        "<td>%02X:%02X:%02X:%02X:%02X:%02X</td>"
+        "<td>%lu</td>"
+        "<td>%s</td>"
+        "</tr>",
+
+        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,
+        "</body>"
+        "</html>"
+    );
+}
+
+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);
+}